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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-01-09 17:38:26 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-01-09 17:38:26 +0100 |
| commit | 39c6c3480a9cb88e722af1142c7b31a00e9ec546 (patch) | |
| tree | 3381f97f7485a14df8f2c47249d1aedfa509d205 /arch | |
| parent | ff6383c8e4bde31036fbd31f7961539be288d6af (diff) | |
| parent | bdcdcaad8199aba9774197e6f3296f659d30c399 (diff) | |
| download | barebox-39c6c3480a9cb88e722af1142c7b31a00e9ec546.tar.gz barebox-39c6c3480a9cb88e722af1142c7b31a00e9ec546.tar.xz | |
Merge branch 'for-next/mxs'
Diffstat (limited to 'arch')
44 files changed, 3759 insertions, 254 deletions
diff --git a/arch/arm/boards/imx233-olinuxino/Makefile b/arch/arm/boards/imx233-olinuxino/Makefile index 644f7e5802..987b34394a 100644 --- a/arch/arm/boards/imx233-olinuxino/Makefile +++ b/arch/arm/boards/imx233-olinuxino/Makefile @@ -1,2 +1,3 @@ obj-y = imx23-olinuxino.o lwl-y += lowlevel.o +bbenv-y += defaultenv-imx233-olinuxino diff --git a/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/boot/sd b/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/boot/sd new file mode 100644 index 0000000000..3ddfb9de20 --- /dev/null +++ b/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/boot/sd @@ -0,0 +1,6 @@ +#!/bin/sh + +global.bootm.image=/mnt/sd-boot/linuximage +global.bootm.oftree=/mnt/sd-boot/imx23-olinuxino.dtb +#global.bootm.initrd=<path to initrd> +global.linux.bootargs.dyn.root="root=/dev/mmcblk0p3 rootfstype=ext4 rw rootwait" diff --git a/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/init/automount-sd b/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/init/automount-sd new file mode 100644 index 0000000000..eb34c9b8ca --- /dev/null +++ b/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/init/automount-sd @@ -0,0 +1,4 @@ +#!/bin/sh + +mkdir -p /mnt/sd-boot +automount -d /mnt/sd-boot 'detect mci0 && [ -e /dev/disk0.1 ] && mount /dev/disk0.1 /mnt/sd-boot' diff --git a/arch/arm/boards/imx233-olinuxino/env/network/eth0-discover b/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/network/eth0-discover index 76494fe6ea..76494fe6ea 100644 --- a/arch/arm/boards/imx233-olinuxino/env/network/eth0-discover +++ b/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/network/eth0-discover diff --git a/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/nv/boot.default b/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/nv/boot.default new file mode 100644 index 0000000000..e1476cfc20 --- /dev/null +++ b/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/nv/boot.default @@ -0,0 +1 @@ +sd diff --git a/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/nv/hostname b/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/nv/hostname new file mode 100644 index 0000000000..e5646edbc0 --- /dev/null +++ b/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/nv/hostname @@ -0,0 +1 @@ +olinuxino diff --git a/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/nv/linux.bootargs.base b/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/nv/linux.bootargs.base new file mode 100644 index 0000000000..5b56cafbec --- /dev/null +++ b/arch/arm/boards/imx233-olinuxino/defaultenv-imx233-olinuxino/nv/linux.bootargs.base @@ -0,0 +1 @@ +console=ttyAMA0,115200 diff --git a/arch/arm/boards/imx233-olinuxino/env/bin/boot b/arch/arm/boards/imx233-olinuxino/env/bin/boot deleted file mode 100644 index 60dd93f297..0000000000 --- a/arch/arm/boards/imx233-olinuxino/env/bin/boot +++ /dev/null @@ -1,32 +0,0 @@ -#!/bin/sh - -. /env/config - -if [ x$1 = xdisk ]; then - rootfs_loc=disk - kernel_loc=disk -elif [ x$1 = xnet ]; then - rootfs_loc=net - kernel_loc=net -fi - -if [ x$ip = xdhcp ]; then - bootargs="$bootargs ip=dhcp" -elif [ x$ip = xnone ]; then - bootargs="$bootargs ip=none" -else - bootargs="$bootargs ip=$eth0.ipaddr::$eth0.gateway:$eth0.netmask:::" -fi - -if [ x$rootfs_loc = xdisk ]; then - bootargs="$bootargs noinitrd rootfstype=$rootfs_type root=/dev/$rootfs_part" -elif [ x$rootfs_loc = xnet ]; then - bootargs="$bootargs root=/dev/nfs nfsroot=$nfsroot,v3,tcp noinitrd" -elif [ x$rootfs_loc = xinitrd ]; then - bootargs="$bootargs root=/dev/ram0 rdinit=/sbin/init" -fi - - -bootm -o $oftree_loc/imx23-olinuxino.dtb /dev/$kernel_part - -echo "Booting failed. Correct setup of 'kernel_part'?" diff --git a/arch/arm/boards/imx233-olinuxino/env/bin/init b/arch/arm/boards/imx233-olinuxino/env/bin/init deleted file mode 100644 index 3ed68f76c5..0000000000 --- a/arch/arm/boards/imx233-olinuxino/env/bin/init +++ /dev/null @@ -1,15 +0,0 @@ -#!/bin/sh - -PATH=/env/bin -export PATH - -. /env/config - -echo -echo -n "Hit any key to stop autoboot: " -timeout -a $autoboot_timeout -if [ $? != 0 ]; then - exit -fi - -boot diff --git a/arch/arm/boards/imx233-olinuxino/env/config b/arch/arm/boards/imx233-olinuxino/env/config deleted file mode 100644 index c84014ff58..0000000000 --- a/arch/arm/boards/imx233-olinuxino/env/config +++ /dev/null @@ -1,40 +0,0 @@ -#!/bin/sh - -# use 'dhcp' to do dhcp in barebox and in kernel -# use 'none' if you want to skip kernel ip autoconfiguration -ip=none - -# or set your networking parameters here (if a USB network adapter is attached) -#eth0.ipaddr=a.b.c.d -#eth0.netmask=a.b.c.d -#eth0.gateway=a.b.c.d -#eth0.serverip=a.b.c.d - -# can be either 'net' or 'disk' -kernel_loc=disk - -# can be either 'net', or 'disk' or 'initrd' -rootfs_loc=disk - -# can be any regular filesystem like ext2, ext3, reiserfs in case of 'rootfs_loc=disk' -rootfs_type=ext3 - -# Where is the rootfs in case of 'rootfs_loc=disk' -rootfs_part=mmcblk0p4 - -# Where is the rootfs in case of 'rootfs_loc=net' -nfsroot=FIXME - -# Where to get the kernel image in case of 'kernel_loc=disk' -kernel_part=disk0.2 - -# Where to get the device tree image in case of 'kernel_loc=disk' -oftree_loc=env/oftree - -# base kernel parameter -bootargs="console=ttyAMA0,115200 rw rootwait" - -autoboot_timeout=2 - -# set a fancy prompt (if support is compiled in) -PS1="\e[1;32mbarebox@\e[1;31m\h:\w\e[0m " diff --git a/arch/arm/boards/imx233-olinuxino/imx23-olinuxino.c b/arch/arm/boards/imx233-olinuxino/imx23-olinuxino.c index fa95d72339..b87a6764f3 100644 --- a/arch/arm/boards/imx233-olinuxino/imx23-olinuxino.c +++ b/arch/arm/boards/imx233-olinuxino/imx23-olinuxino.c @@ -20,6 +20,7 @@ #include <common.h> #include <init.h> #include <gpio.h> +#include <led.h> #include <environment.h> #include <envfs.h> #include <errno.h> @@ -39,60 +40,6 @@ static struct mxs_mci_platform_data mci_pdata = { .f_min = 400000, }; -static const uint32_t pad_setup[] = { - /* debug port */ - PWM1_DUART_TX | STRENGTH(S4MA), /* PWM0/DUART_TXD - U_DEBUG PIN 2 */ - PWM0_DUART_RX | STRENGTH(S4MA), /* PWM0/DUART_RXD - U_DEBUG PIN 1 */ - - /* auart */ - I2C_SDA_AUART1_RX | STRENGTH(S4MA), - I2C_CLK_AUART1_TX | STRENGTH(S4MA), - - /* lcd */ - LCD_D17 | STRENGTH(S12MA), /*PIN18/LCD_D17 - GPIO PIN 3 */ - LCD_D16 | STRENGTH(S12MA), - LCD_D15 | STRENGTH(S12MA), - LCD_D14 | STRENGTH(S12MA), - LCD_D13 | STRENGTH(S12MA), - LCD_D12 | STRENGTH(S12MA), - LCD_D11 | STRENGTH(S12MA), - LCD_D10 | STRENGTH(S12MA), - LCD_D9 | STRENGTH(S12MA), - LCD_D8 | STRENGTH(S12MA), - LCD_D7 | STRENGTH(S12MA), - LCD_D6 | STRENGTH(S12MA), - LCD_D5 | STRENGTH(S12MA), - LCD_D4 | STRENGTH(S12MA), - LCD_D3 | STRENGTH(S12MA), - LCD_D2 | STRENGTH(S12MA), /* PIN3/LCD_D02 - GPIO PIN 31*/ - LCD_D1 | STRENGTH(S12MA), /* PIN2/LCD_D01 - GPIO PIN 33*/ - LCD_D0 | STRENGTH(S12MA), /* PIN1/LCD_D00 - GPIO PIN 35*/ - LCD_CS, /* PIN26/LCD_CS - GPIO PIN 20*/ - LCD_RS, /* PIN25/LCD_RS - GPIO PIN 18*/ - LCD_WR, /* PIN24/LCD_WR - GPIO PIN 16*/ - LCD_RESET, /* PIN23/LCD_DISP - GPIO PIN 14*/ - LCD_ENABE | STRENGTH(S12MA), /* PIN22/LCD_EN/I2C_SCL - GPIO PIN 12*/ - LCD_VSYNC | STRENGTH(S12MA), /* PIN21/LCD_HSYNC/I2C_SDA- GPIO PIN 10*/ - LCD_HSYNC | STRENGTH(S12MA), /* PIN20/LCD_VSYNC - GPIO PIN 8*/ - LCD_DOTCLOCK | STRENGTH(S12MA), /* PIN19/LCD_DOTCLK - GPIO PIN 6*/ - - - /* SD card interface */ - SSP1_DATA0 | PULLUP(1), - SSP1_DATA1 | PULLUP(1), - SSP1_DATA2 | PULLUP(1), - SSP1_DATA3 | PULLUP(1), - SSP1_SCK, - SSP1_CMD | PULLUP(1), - SSP1_DETECT | PULLUP(1), - - /* led */ - SSP1_DETECT_GPIO | GPIO_OUT | GPIO_VALUE(1), - - /* gpio - USB hub LAN9512-JZX*/ - GPMI_ALE_GPIO | GPIO_OUT | GPIO_VALUE(1), -}; - static int imx23_olinuxino_mem_init(void) { arm_add_mem_device("ram0", IMX_MEMORY_BASE, 64 * 1024 * 1024); @@ -103,21 +50,25 @@ mem_initcall(imx23_olinuxino_mem_init); static void olinuxino_init_usb(void) { - imx23_usb_phy_enable(); add_generic_usb_ehci_device(DEVICE_ID_DYNAMIC, IMX_USB_BASE, NULL); } +static struct gpio_led led1 = { + .gpio = 65, + .led = { + .name = "led1", + } +}; + static int imx23_olinuxino_devices_init(void) { - int i; - - /* initizalize gpios */ - for (i = 0; i < ARRAY_SIZE(pad_setup); i++) - imx_gpio_mode(pad_setup[i]); - armlinux_set_architecture(MACH_TYPE_IMX233_OLINUXINO); + defaultenv_append_directory(defaultenv_imx233_olinuxino); + + led_gpio_register(&led1); + led_set_trigger(LED_TRIGGER_HEARTBEAT, &led1.led); add_generic_device("mxs_mci", DEVICE_ID_DYNAMIC, NULL, IMX_SSP1_BASE, 0x8000, IORESOURCE_MEM, &mci_pdata); diff --git a/arch/arm/boards/imx233-olinuxino/lowlevel.c b/arch/arm/boards/imx233-olinuxino/lowlevel.c index bfc76cc7d4..6e4b830485 100644 --- a/arch/arm/boards/imx233-olinuxino/lowlevel.c +++ b/arch/arm/boards/imx233-olinuxino/lowlevel.c @@ -3,9 +3,175 @@ #include <asm/barebox-arm-head.h> #include <asm/barebox-arm.h> #include <mach/imx23-regs.h> +#include <mach/init.h> +#include <io.h> +#include <debug_ll.h> +#include <mach/iomux.h> -void __naked barebox_arm_reset_vector(void) +ENTRY_FUNCTION(start_barebox_olinuxino_imx23, r0, r1, r2) { - arm_cpu_lowlevel_init(); barebox_arm_entry(IMX_MEMORY_BASE, SZ_64M, NULL); } + +static const uint32_t pad_setup[] = { + /* debug port */ + PWM1_DUART_TX | STRENGTH(S4MA), /* PWM0/DUART_TXD - U_DEBUG PIN 2 */ + PWM0_DUART_RX | STRENGTH(S4MA), /* PWM0/DUART_RXD - U_DEBUG PIN 1 */ + + /* SDRAM */ + EMI_D0 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D1 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D2 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D3 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D4 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D5 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D6 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D7 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D8 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D9 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D10 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D11 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D12 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D13 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D14 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_D15 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_DQM0 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_DQM1 | VE_2_5V | STRENGTH(S12MA) | PULLUP(1), + EMI_DQS0 | VE_2_5V | STRENGTH(S12MA), + EMI_DQS1 | VE_2_5V | STRENGTH(S12MA), + + EMI_CLK | VE_2_5V | STRENGTH(S12MA), + EMI_CLKN | VE_2_5V | STRENGTH(S12MA), + EMI_A0 | VE_2_5V | STRENGTH(S12MA), + EMI_A1 | VE_2_5V | STRENGTH(S12MA), + EMI_A2 | VE_2_5V | STRENGTH(S12MA), + EMI_A3 | VE_2_5V | STRENGTH(S12MA), + EMI_A4 | VE_2_5V | STRENGTH(S12MA), + EMI_A5 | VE_2_5V | STRENGTH(S12MA), + EMI_A6 | VE_2_5V | STRENGTH(S12MA), + EMI_A7 | VE_2_5V | STRENGTH(S12MA), + EMI_A8 | VE_2_5V | STRENGTH(S12MA), + EMI_A9 | VE_2_5V | STRENGTH(S12MA), + EMI_A10 | VE_2_5V | STRENGTH(S12MA), + EMI_A11 | VE_2_5V | STRENGTH(S12MA), + EMI_A12 | VE_2_5V | STRENGTH(S12MA), + EMI_BA0 | VE_2_5V | STRENGTH(S12MA), + EMI_BA1 | VE_2_5V | STRENGTH(S12MA), + + EMI_CASN | VE_2_5V | STRENGTH(S12MA), + EMI_CE0N | VE_2_5V | STRENGTH(S12MA), + EMI_CE1N | VE_2_5V | STRENGTH(S12MA), + EMI_CKE | VE_2_5V | STRENGTH(S12MA), + EMI_RASN | VE_2_5V | STRENGTH(S12MA), + EMI_WEN | VE_2_5V | STRENGTH(S12MA), + + /* auart */ + I2C_SDA_AUART1_RX | STRENGTH(S4MA), + I2C_CLK_AUART1_TX | STRENGTH(S4MA), + + /* LCD */ + LCD_D17 | STRENGTH(S12MA), /*PIN18/LCD_D17 - GPIO PIN 3 */ + LCD_D16 | STRENGTH(S12MA), + LCD_D15 | STRENGTH(S12MA), + LCD_D14 | STRENGTH(S12MA), + LCD_D13 | STRENGTH(S12MA), + LCD_D12 | STRENGTH(S12MA), + LCD_D11 | STRENGTH(S12MA), + LCD_D10 | STRENGTH(S12MA), + LCD_D9 | STRENGTH(S12MA), + LCD_D8 | STRENGTH(S12MA), + LCD_D7 | STRENGTH(S12MA), + LCD_D6 | STRENGTH(S12MA), + LCD_D5 | STRENGTH(S12MA), + LCD_D4 | STRENGTH(S12MA), + LCD_D3 | STRENGTH(S12MA), + LCD_D2 | STRENGTH(S12MA), /* PIN3/LCD_D02 - GPIO PIN 31*/ + LCD_D1 | STRENGTH(S12MA), /* PIN2/LCD_D01 - GPIO PIN 33*/ + LCD_D0 | STRENGTH(S12MA), /* PIN1/LCD_D00 - GPIO PIN 35*/ + LCD_CS, /* PIN26/LCD_CS - GPIO PIN 20*/ + LCD_RS, /* PIN25/LCD_RS - GPIO PIN 18*/ + LCD_WR, /* PIN24/LCD_WR - GPIO PIN 16*/ + LCD_RESET, /* PIN23/LCD_DISP - GPIO PIN 14*/ + LCD_ENABE | STRENGTH(S12MA), /* PIN22/LCD_EN/I2C_SCL - GPIO PIN 12*/ + LCD_VSYNC | STRENGTH(S12MA), /* PIN21/LCD_HSYNC/I2C_SDA- GPIO PIN 10*/ + LCD_HSYNC | STRENGTH(S12MA), /* PIN20/LCD_VSYNC - GPIO PIN 8*/ + LCD_DOTCLOCK | STRENGTH(S12MA), /* PIN19/LCD_DOTCLK - GPIO PIN 6*/ + + /* SD card interface */ + SSP1_DATA0 | PULLUP(1), + SSP1_DATA1 | PULLUP(1), + SSP1_DATA2 | PULLUP(1), + SSP1_DATA3 | PULLUP(1), + SSP1_SCK, + SSP1_CMD | PULLUP(1), + SSP1_DETECT | PULLUP(1), + + /* LED */ + SSP1_DETECT_GPIO | GPIO_OUT | GPIO_VALUE(1), + + /* GPIO - USB hub LAN9512-JZX*/ + GPMI_ALE_GPIO | GPIO_OUT | GPIO_VALUE(1), +}; + + +/* Fine-tune the DRAM configuration. */ +void imx23_olinuxino_adjust_memory_params(uint32_t *dram_vals) +{ + /* Enable Auto Precharge. */ + dram_vals[3] |= 1 << 8; + /* Enable Fast Writes. */ + dram_vals[5] |= 1 << 8; + /* tEMRS = 3*tCK */ + dram_vals[10] &= ~(0x3 << 8); + dram_vals[10] |= (0x3 << 8); + /* CASLAT = 3*tCK */ + dram_vals[11] &= ~(0x3 << 0); + dram_vals[11] |= (0x3 << 0); + /* tCKE = 1*tCK */ + dram_vals[12] &= ~(0x7 << 0); + dram_vals[12] |= (0x1 << 0); + /* CASLAT_LIN_GATE = 3*tCK , CASLAT_LIN = 3*tCK, tWTR=2*tCK */ + dram_vals[13] &= ~((0xf << 16) | (0xf << 24) | (0xf << 0)); + dram_vals[13] |= (0x6 << 16) | (0x6 << 24) | (0x2 << 0); + /* tDAL = 6*tCK */ + dram_vals[15] &= ~(0xf << 16); + dram_vals[15] |= (0x6 << 16); + /* tREF = 1040*tCK */ + dram_vals[26] &= ~0xffff; + dram_vals[26] |= 0x0410; + /* tRAS_MAX = 9334*tCK */ + dram_vals[32] &= ~0xffff; + dram_vals[32] |= 0x2475; +} + +static noinline void imx23_olinuxino_init(void) +{ + int i; + + /* initizalize gpios */ + for (i = 0; i < ARRAY_SIZE(pad_setup); i++) + imx_gpio_mode(pad_setup[i]); + + pr_debug("initializing power...\n"); + + mx23_power_init(); + + pr_debug("initializing SDRAM...\n"); + + imx23_olinuxino_adjust_memory_params(mx23_dram_vals); + mx23_mem_init(); + + pr_debug("DONE\n"); +} + +ENTRY_FUNCTION(prep_start_barebox_olinuxino_imx23, r0, r1, r2) +{ + void (*back)(unsigned long) = (void *)get_lr(); + + relocate_to_current_adr(); + setup_c(); + + imx23_olinuxino_init(); + + back(0); +} diff --git a/arch/arm/boards/karo-tx28/env/config b/arch/arm/boards/karo-tx28/env/config deleted file mode 100644 index a6b10255a2..0000000000 --- a/arch/arm/boards/karo-tx28/env/config +++ /dev/null @@ -1,41 +0,0 @@ -# -# - -baseboard=tx28stk5 - -# use 'dhcp' to do dhcp in barebox and in kernel -# use 'none' if you want to skip kernel ip autoconfiguration -ip=dhcp - -# or set your networking parameters here -#eth0.ipaddr=a.b.c.d -#eth0.ethaddr=de:ad:be:ef:00:00 -#eth0.netmask=a.b.c.d -#eth0.serverip=a.b.c.d -#eth0.gateway=a.b.c.d - -# can be either 'nfs' or 'tftp' -kernel_loc=tftp -# can be either 'net' or 'initrd' -rootfs_loc=net - -# can be either 'jffs2' or 'ubifs' -rootfs_type=ubifs -rootfsimage=root-${global.hostname}.$rootfs_type - -kernelimage=zImage-${global.hostname} -#kernelimage=uImage-${global.hostname} -#kernelimage=Image-${global.hostname} -#kernelimage=Image-${global.hostname}.lzo - -if [ -n $user ]; then - kernelimage="$user"-"$kernelimage" - nfsroot="$eth0.serverip:/home/$user/nfsroot/${global.hostname}" - rootfsimage="$user"-"$rootfsimage" -else - nfsroot="$eth0.serverip:/path/to/nfs/root" -fi - -autoboot_timeout=3 - -bootargs="console=ttyAM0,115200 tx28_base=$baseboard" diff --git a/arch/arm/boards/karo-tx28/lowlevel.c b/arch/arm/boards/karo-tx28/lowlevel.c index 3c7248ef65..c5fdda1902 100644 --- a/arch/arm/boards/karo-tx28/lowlevel.c +++ b/arch/arm/boards/karo-tx28/lowlevel.c @@ -1,11 +1,65 @@ +#define pr_fmt(fmt) "KARO TX28: " fmt +#define DEBUG + #include <common.h> #include <linux/sizes.h> #include <asm/barebox-arm-head.h> #include <asm/barebox-arm.h> #include <mach/imx28-regs.h> +#include <mach/init.h> +#include <io.h> +#include <debug_ll.h> +#include <mach/iomux.h> +#include <stmp-device.h> -void __naked barebox_arm_reset_vector(void) +ENTRY_FUNCTION(start_barebox_karo_tx28, r0, r1, r2) { - arm_cpu_lowlevel_init(); barebox_arm_entry(IMX_MEMORY_BASE, SZ_128M, NULL); } + +static const uint32_t iomux_pads[] = { + /* EMI */ + EMI_DATA0, EMI_DATA1, EMI_DATA2, EMI_DATA3, EMI_DATA4, EMI_DATA5, + EMI_DATA6, EMI_DATA7, EMI_DATA8, EMI_DATA9, EMI_DATA10, EMI_DATA11, + EMI_DATA12, EMI_DATA13, EMI_DATA14, EMI_DATA15, EMI_ODT0, EMI_DQM0, + EMI_ODT1, EMI_DQM1, EMI_DDR_OPEN_FB, EMI_CLK, EMI_DSQ0, EMI_DSQ1, + EMI_DDR_OPEN, EMI_A0, EMI_A1, EMI_A2, EMI_A3, EMI_A4, EMI_A5, + EMI_A6, EMI_A7, EMI_A8, EMI_A9, EMI_A10, EMI_A11, EMI_A12, EMI_A13, + EMI_A14, EMI_BA0, EMI_BA1, EMI_BA2, EMI_CASN, EMI_RASN, EMI_WEN, + EMI_CE0N, EMI_CE1N, EMI_CKE, + + /* Debug UART */ + AUART0_RTS_DUART_TX | VE_3_3V | STRENGTH(S8MA), + AUART0_CTS_DUART_RX | VE_3_3V | STRENGTH(S8MA), +}; + +static noinline void karo_tx28_init(void) +{ + int i; + + /* initialize muxing */ + for (i = 0; i < ARRAY_SIZE(iomux_pads); i++) + imx_gpio_mode(iomux_pads[i]); + + pr_debug("initializing power...\n"); + + mx28_power_init_battery_input(); + + pr_debug("initializing SDRAM...\n"); + + mx28_mem_init(); + + pr_debug("DONE\n"); +} + +ENTRY_FUNCTION(prep_start_barebox_karo_tx28, r0, r1, r2) +{ + void (*back)(unsigned long) = (void *)get_lr(); + + relocate_to_current_adr(); + setup_c(); + + karo_tx28_init(); + + back(0); +} diff --git a/arch/arm/configs/imx233-olinuxino_defconfig b/arch/arm/configs/imx233-olinuxino_defconfig index 75b5911d6b..5aed6a9ca2 100644 --- a/arch/arm/configs/imx233-olinuxino_defconfig +++ b/arch/arm/configs/imx233-olinuxino_defconfig @@ -1,52 +1,89 @@ CONFIG_ARCH_MXS=y CONFIG_MACH_IMX233_OLINUXINO=y +CONFIG_MXS_OCOTP=y CONFIG_AEABI=y CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y -CONFIG_BROKEN=y -CONFIG_EXPERIMENTAL=y -CONFIG_MODULES=y -CONFIG_LONGHELP=y +CONFIG_ARM_UNWIND=y +CONFIG_MMU=y +CONFIG_TEXT_BASE=0x0 +CONFIG_MALLOC_SIZE=0x1000000 +CONFIG_MALLOC_TLSF=y +CONFIG_KALLSYMS=y +CONFIG_RELOCATABLE=y +CONFIG_HUSH_FANCY_PROMPT=y CONFIG_CMDLINE_EDITING=y CONFIG_AUTO_COMPLETE=y CONFIG_MENU=y +CONFIG_BLSPEC=y +CONFIG_DEFAULT_COMPRESSION_LZO=y CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW=y -CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/imx233-olinuxino/env" -CONFIG_BAREBOXENV_TARGET=y +CONFIG_RESET_SOURCE=y CONFIG_DEBUG_INFO=y -CONFIG_ENABLE_FLASH_NOISE=y -CONFIG_ENABLE_PARTITION_NOISE=y -CONFIG_ENABLE_DEVICE_NOISE=y -CONFIG_CMD_EDIT=y -CONFIG_CMD_SLEEP=y -CONFIG_CMD_SAVEENV=y -CONFIG_CMD_EXPORT=y -CONFIG_CMD_PRINTENV=y -CONFIG_CMD_READLINE=y -CONFIG_CMD_ECHO_E=y -CONFIG_CMD_MTEST=y -CONFIG_CMD_MTEST_ALTERNATIVE=y +CONFIG_CMD_DMESG=y +CONFIG_LONGHELP=y +CONFIG_CMD_IOMEM=y +CONFIG_CMD_IMD=y +CONFIG_CMD_MEMINFO=y CONFIG_CMD_BOOTM_SHOW_TYPE=y CONFIG_CMD_BOOTM_VERBOSE=y CONFIG_CMD_BOOTM_INITRD=y CONFIG_CMD_BOOTM_OFTREE=y CONFIG_CMD_BOOTM_OFTREE_UIMAGE=y -CONFIG_CMD_UIMAGE=y -CONFIG_CMD_BOOTZ=y +# CONFIG_CMD_BOOTU is not set +CONFIG_CMD_GO=y CONFIG_CMD_RESET=y -CONFIG_CMD_OFTREE=y -CONFIG_CMD_TIMEOUT=y CONFIG_CMD_PARTITION=y -CONFIG_NET=y +CONFIG_CMD_EXPORT=y +CONFIG_CMD_DEFAULTENV=y +CONFIG_CMD_LOADENV=y +CONFIG_CMD_PRINTENV=y +CONFIG_CMD_MAGICVAR=y +CONFIG_CMD_MAGICVAR_HELP=y +CONFIG_CMD_SAVEENV=y +CONFIG_CMD_CMP=y +CONFIG_CMD_FILETYPE=y +CONFIG_CMD_LN=y +CONFIG_CMD_MD5SUM=y +CONFIG_CMD_SHA1SUM=y +CONFIG_CMD_SHA224SUM=y +CONFIG_CMD_SHA256SUM=y +CONFIG_CMD_UNCOMPRESS=y +CONFIG_CMD_LET=y +CONFIG_CMD_MSLEEP=y +CONFIG_CMD_READF=y +CONFIG_CMD_SLEEP=y CONFIG_CMD_DHCP=y -CONFIG_NET_NFS=y +CONFIG_CMD_HOST=y CONFIG_CMD_PING=y -CONFIG_NET_TFTP=y -CONFIG_NET_TFTP_PUSH=y +CONFIG_CMD_TFTP=y +CONFIG_CMD_ECHO_E=y +CONFIG_CMD_EDIT=y +CONFIG_CMD_MENU=y +CONFIG_CMD_MENU_MANAGEMENT=y +CONFIG_CMD_MENUTREE=y +CONFIG_CMD_SPLASH=y +CONFIG_CMD_READLINE=y +CONFIG_CMD_TIMEOUT=y +CONFIG_CMD_CRC=y +CONFIG_CMD_CRC_CMP=y +CONFIG_CMD_MEMTEST=y +CONFIG_CMD_CLK=y +CONFIG_CMD_DETECT=y +CONFIG_CMD_FLASH=y +CONFIG_CMD_GPIO=y +CONFIG_CMD_2048=y +CONFIG_CMD_OF_NODE=y +CONFIG_CMD_OF_PROPERTY=y +CONFIG_CMD_OF_DISPLAY_TIMINGS=y +CONFIG_CMD_OFTREE=y +CONFIG_CMD_TIME=y +CONFIG_NET=y +CONFIG_NET_NFS=y CONFIG_NET_NETCONSOLE=y -CONFIG_NET_RESOLV=y +CONFIG_DRIVER_SERIAL_AUART=y CONFIG_NET_USB=y CONFIG_NET_USB_SMSC95XX=y -CONFIG_DISK_INTF_PLATFORM_IDE=y +# CONFIG_SPI is not set CONFIG_USB_HOST=y CONFIG_USB_EHCI=y CONFIG_USB_STORAGE=y @@ -56,8 +93,15 @@ CONFIG_MCI=y CONFIG_MCI_STARTUP=y CONFIG_MCI_MXS=y CONFIG_LED=y +CONFIG_LED_GPIO=y +CONFIG_LED_TRIGGERS=y CONFIG_KEYBOARD_GPIO=y CONFIG_MXS_APBH_DMA=y +CONFIG_FS_EXT4=y CONFIG_FS_TFTP=y CONFIG_FS_NFS=y CONFIG_FS_FAT=y +CONFIG_FS_FAT_WRITE=y +CONFIG_FS_FAT_LFN=y +CONFIG_ZLIB=y +CONFIG_LZO_DECOMPRESS=y diff --git a/arch/arm/configs/tx28stk5_defconfig b/arch/arm/configs/tx28stk5_defconfig index fe80d98bbb..d5714f2ec4 100644 --- a/arch/arm/configs/tx28stk5_defconfig +++ b/arch/arm/configs/tx28stk5_defconfig @@ -4,58 +4,92 @@ CONFIG_AEABI=y CONFIG_ARM_OPTIMZED_STRING_FUNCTIONS=y CONFIG_ARM_UNWIND=y CONFIG_MMU=y -CONFIG_MALLOC_SIZE=0x01000000 -CONFIG_BROKEN=y +CONFIG_TEXT_BASE=0x0 +CONFIG_MALLOC_SIZE=0x0 CONFIG_MALLOC_TLSF=y CONFIG_KALLSYMS=y -CONFIG_LONGHELP=y -CONFIG_GLOB=y +CONFIG_RELOCATABLE=y CONFIG_HUSH_FANCY_PROMPT=y CONFIG_CMDLINE_EDITING=y CONFIG_AUTO_COMPLETE=y CONFIG_MENU=y -CONFIG_DEFAULT_ENVIRONMENT_GENERIC=y -CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/arm/boards/karo-tx28/env" +CONFIG_BLSPEC=y +CONFIG_IMD=y +CONFIG_DEFAULT_COMPRESSION_LZO=y +CONFIG_DEFAULT_ENVIRONMENT_GENERIC_NEW=y +CONFIG_RESET_SOURCE=y CONFIG_DEBUG_INFO=y -CONFIG_CMD_EDIT=y -CONFIG_CMD_SLEEP=y -CONFIG_CMD_SAVEENV=y -CONFIG_CMD_LOADENV=y -CONFIG_CMD_EXPORT=y -CONFIG_CMD_PRINTENV=y -CONFIG_CMD_READLINE=y -CONFIG_CMD_TIME=y -CONFIG_CMD_ECHO_E=y +CONFIG_DEBUG_LL=y +CONFIG_PBL_CONSOLE=y +CONFIG_CMD_DMESG=y +CONFIG_LONGHELP=y CONFIG_CMD_IOMEM=y -CONFIG_CMD_MTEST=y -CONFIG_CMD_MTEST_ALTERNATIVE=y +CONFIG_CMD_MEMINFO=y CONFIG_CMD_BOOTM_SHOW_TYPE=y CONFIG_CMD_BOOTM_VERBOSE=y CONFIG_CMD_BOOTM_INITRD=y CONFIG_CMD_BOOTM_OFTREE=y CONFIG_CMD_BOOTM_OFTREE_UIMAGE=y -CONFIG_CMD_UIMAGE=y -CONFIG_CMD_RESET=y CONFIG_CMD_GO=y -CONFIG_CMD_TIMEOUT=y +CONFIG_CMD_RESET=y +CONFIG_CMD_UIMAGE=y CONFIG_CMD_PARTITION=y +CONFIG_CMD_EXPORT=y +CONFIG_CMD_DEFAULTENV=y +CONFIG_CMD_LOADENV=y +CONFIG_CMD_PRINTENV=y CONFIG_CMD_MAGICVAR=y CONFIG_CMD_MAGICVAR_HELP=y -CONFIG_CMD_SPLASH=y -CONFIG_CMD_GPIO=y +CONFIG_CMD_SAVEENV=y +CONFIG_CMD_CMP=y +CONFIG_CMD_FILETYPE=y +CONFIG_CMD_LN=y +CONFIG_CMD_MD5SUM=y +CONFIG_CMD_SHA1SUM=y +CONFIG_CMD_SHA224SUM=y +CONFIG_CMD_SHA256SUM=y CONFIG_CMD_UNCOMPRESS=y -CONFIG_NET=y +CONFIG_CMD_LET=y +CONFIG_CMD_MSLEEP=y +CONFIG_CMD_READF=y +CONFIG_CMD_SLEEP=y CONFIG_CMD_DHCP=y +CONFIG_CMD_HOST=y +CONFIG_CMD_MIITOOL=y +CONFIG_CMD_PING=y CONFIG_CMD_TFTP=y -CONFIG_FS_TFTP=y -CONFIG_NET_RESOLV=y +CONFIG_CMD_ECHO_E=y +CONFIG_CMD_EDIT=y +CONFIG_CMD_MENUTREE=y +CONFIG_CMD_SPLASH=y +CONFIG_CMD_READLINE=y +CONFIG_CMD_TIMEOUT=y +CONFIG_CMD_CRC=y +CONFIG_CMD_CRC_CMP=y +CONFIG_CMD_CLK=y +CONFIG_CMD_DETECT=y +CONFIG_CMD_FLASH=y +CONFIG_CMD_GPIO=y +CONFIG_CMD_2048=y +CONFIG_CMD_OF_NODE=y +CONFIG_CMD_OF_PROPERTY=y +CONFIG_CMD_OF_DISPLAY_TIMINGS=y +CONFIG_CMD_OFTREE=y +CONFIG_CMD_TIME=y +CONFIG_NET=y +CONFIG_DRIVER_SERIAL_AUART=y CONFIG_DRIVER_NET_FEC_IMX=y # CONFIG_SPI is not set +CONFIG_MTD=y CONFIG_VIDEO=y CONFIG_DRIVER_VIDEO_STM=y CONFIG_MCI=y CONFIG_MCI_STARTUP=y CONFIG_MCI_MXS=y +CONFIG_MXS_APBH_DMA=y +CONFIG_FS_EXT4=y +CONFIG_FS_TFTP=y +CONFIG_FS_NFS=y CONFIG_FS_FAT=y CONFIG_FS_FAT_WRITE=y CONFIG_FS_FAT_LFN=y diff --git a/arch/arm/cpu/start.c b/arch/arm/cpu/start.c index f6061f4c2a..418870fb69 100644 --- a/arch/arm/cpu/start.c +++ b/arch/arm/cpu/start.c @@ -16,6 +16,7 @@ * GNU General Public License for more details. * */ +#define pr_fmt(fmt) "start.c: " fmt #include <common.h> #include <init.h> @@ -62,6 +63,8 @@ static noinline __noreturn void __start(unsigned long membase, setup_c(); + pr_debug("memory at 0x%08lx, size 0x%08lx\n", membase, memsize); + barebox_boarddata = boarddata; arm_stack_top = endmem; endmem -= STACK_SIZE; /* Stack */ @@ -74,6 +77,7 @@ static noinline __noreturn void __start(unsigned long membase, if (IS_ENABLED(CONFIG_PBL_IMAGE)) { arm_set_cache_functions(); } else { + pr_debug("enabling MMU, ttb @ 0x%08lx\n", endmem); arm_early_mmu_cache_invalidate(); mmu_early_enable(membase, memsize, endmem); } @@ -87,6 +91,8 @@ static noinline __noreturn void __start(unsigned long membase, uint32_t totalsize = get_unaligned_be32(boarddata + 4); endmem -= ALIGN(totalsize, 64); barebox_boot_dtb = (void *)endmem; + pr_debug("found DTB in boarddata, copying to 0x%p\n", + barebox_boot_dtb); memcpy(barebox_boot_dtb, boarddata, totalsize); } @@ -115,8 +121,13 @@ static noinline __noreturn void __start(unsigned long membase, malloc_start = malloc_end - SZ_1G; } + pr_debug("initializing malloc pool at 0x%08lx (size 0x%08lx)\n", + malloc_start, malloc_end - malloc_start); + mem_malloc_init((void *)malloc_start, (void *)malloc_end - 1); + pr_debug("starting barebox...\n"); + start_barebox(); } diff --git a/arch/arm/cpu/uncompress.c b/arch/arm/cpu/uncompress.c index ab194e187e..b0b7c6d097 100644 --- a/arch/arm/cpu/uncompress.c +++ b/arch/arm/cpu/uncompress.c @@ -17,6 +17,7 @@ * GNU General Public License for more details. * */ +#define pr_fmt(fmt) "uncompress.c: " fmt #include <common.h> #include <init.h> @@ -76,9 +77,12 @@ static void __noreturn noinline uncompress_start_payload(unsigned long membase, setup_c(); + pr_debug("memory at 0x%08lx, size 0x%08lx\n", membase, memsize); + if (IS_ENABLED(CONFIG_MMU_EARLY)) { endmem &= ~0x3fff; endmem -= SZ_16K; /* ttb */ + pr_debug("enabling MMU, ttb @ 0x%08x\n", endmem); mmu_early_enable(membase, memsize, endmem); } @@ -93,6 +97,9 @@ static void __noreturn noinline uncompress_start_payload(unsigned long membase, pg_start = image_end + 1; pg_len = *(image_end); + pr_debug("uncompressing barebox binary at 0x%p (size 0x%08x) to 0x%08lx\n", + pg_start, pg_len, barebox_base); + pbl_barebox_uncompress((void*)barebox_base, pg_start, pg_len); arm_early_mmu_cache_flush(); @@ -103,6 +110,8 @@ static void __noreturn noinline uncompress_start_payload(unsigned long membase, else barebox = (void *)barebox_base; + pr_debug("jumping to uncompressed image at 0x%p\n", barebox); + barebox(membase, memsize, boarddata); } diff --git a/arch/arm/include/asm/common.h b/arch/arm/include/asm/common.h index 133bb8e1f6..9ff3b19c7b 100644 --- a/arch/arm/include/asm/common.h +++ b/arch/arm/include/asm/common.h @@ -16,6 +16,32 @@ static inline unsigned long get_pc(void) return pc; } +static inline unsigned long get_lr(void) +{ + unsigned long lr; + + __asm__ __volatile__( + "mov %0, lr\n" + : "=r" (lr) + : + : "memory"); + + return lr; +} + +static inline unsigned long get_sp(void) +{ + unsigned long sp; + + __asm__ __volatile__( + "mov %0, sp\n" + : "=r" (sp) + : + : "memory"); + + return sp; +} + static inline void arm_setup_stack(unsigned long top) { __asm__ __volatile__("mov sp, %0" : : "r"(top)); diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index ccf1f59013..850a99c6d9 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -12,4 +12,61 @@ extern void memcpy_fromio(void *, const volatile void __iomem *, size_t); extern void memcpy_toio(volatile void __iomem *, const void *, size_t); extern void memset_io(volatile void __iomem *, int, size_t); +/* + * Clear and set bits in one shot. These macros can be used to clear and + * set multiple bits in a register using a single call. These macros can + * also be used to set a multiple-bit bit pattern using a mask, by + * specifying the mask in the 'clear' parameter and the new bit pattern + * in the 'set' parameter. + */ + +#define out_arch(type,endian,a,v) __raw_write##type(cpu_to_##endian(v),a) +#define in_arch(type,endian,a) endian##_to_cpu(__raw_read##type(a)) + +#define out_le64(a,v) out_arch(q,le64,a,v) +#define out_le32(a,v) out_arch(l,le32,a,v) +#define out_le16(a,v) out_arch(w,le16,a,v) + +#define in_le64(a) in_arch(q,le64,a) +#define in_le32(a) in_arch(l,le32,a) +#define in_le16(a) in_arch(w,le16,a) + +#define out_be32(a,v) out_arch(l,be32,a,v) +#define out_be16(a,v) out_arch(w,be16,a,v) + +#define in_be32(a) in_arch(l,be32,a) +#define in_be16(a) in_arch(w,be16,a) + +#define out_8(a,v) __raw_writeb(v,a) +#define in_8(a) __raw_readb(a) + +#define clrbits(type, addr, clear) \ + out_##type((addr), in_##type(addr) & ~(clear)) + +#define setbits(type, addr, set) \ + out_##type((addr), in_##type(addr) | (set)) + +#define clrsetbits(type, addr, clear, set) \ + out_##type((addr), (in_##type(addr) & ~(clear)) | (set)) + +#define clrbits_be32(addr, clear) clrbits(be32, addr, clear) +#define setbits_be32(addr, set) setbits(be32, addr, set) +#define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set) + +#define clrbits_le32(addr, clear) clrbits(le32, addr, clear) +#define setbits_le32(addr, set) setbits(le32, addr, set) +#define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set) + +#define clrbits_be16(addr, clear) clrbits(be16, addr, clear) +#define setbits_be16(addr, set) setbits(be16, addr, set) +#define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set) + +#define clrbits_le16(addr, clear) clrbits(le16, addr, clear) +#define setbits_le16(addr, set) setbits(le16, addr, set) +#define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set) + +#define clrbits_8(addr, clear) clrbits(8, addr, clear) +#define setbits_8(addr, set) setbits(8, addr, set) +#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) + #endif /* __ASM_ARM_IO_H */ diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig index 214f9404df..4022710007 100644 --- a/arch/arm/mach-mxs/Kconfig +++ b/arch/arm/mach-mxs/Kconfig @@ -45,6 +45,8 @@ config MACH_CHUMBY config MACH_IMX233_OLINUXINO bool "Olimex.ltd imx223-olinuxino" + select HAVE_DEFAULT_ENVIRONMENT_NEW + select HAVE_PBL_MULTI_IMAGES help Say Y here if you are using the imx233-olinuxino @@ -59,6 +61,8 @@ choice config MACH_TX28 bool "KARO tx28" + select HAVE_DEFAULT_ENVIRONMENT_NEW + select HAVE_PBL_MULTI_IMAGES help Say Y here if you are using the KARO TX28 CPU module. @@ -134,4 +138,11 @@ endif endmenu +config ARCH_MXS_USBLOADER + bool "compile mxs-usb-loader" + help + mxs-usb-loader is a tool to upload and start mxs bootstream images to an + i.MX SoC in ROM boot mode. It requires libusb, so make sure you have the libusb + devel package installed on your machine. + endif diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile index bd6892ed22..e3843368c2 100644 --- a/arch/arm/mach-mxs/Makefile +++ b/arch/arm/mach-mxs/Makefile @@ -1,5 +1,7 @@ obj-y += imx.o iomux-imx.o power.o +pbl-y += iomux-imx.o obj-$(CONFIG_ARCH_IMX23) += clocksource-imx23.o usb-imx23.o soc-imx23.o obj-$(CONFIG_ARCH_IMX28) += clocksource-imx28.o usb-imx28.o soc-imx28.o obj-$(CONFIG_MXS_OCOTP) += ocotp.o obj-$(CONFIG_MXS_CMD_BCB) += bcb.o +pbl-y += power-init.o mem-init.o lradc-init.o diff --git a/arch/arm/mach-mxs/clocksource-imx23.c b/arch/arm/mach-mxs/clocksource-imx23.c index d9b7c1a570..8279ee2f2d 100644 --- a/arch/arm/mach-mxs/clocksource-imx23.c +++ b/arch/arm/mach-mxs/clocksource-imx23.c @@ -17,7 +17,7 @@ #include <init.h> #include <clock.h> #include <notifier.h> -#include <mach/imx-regs.h> +#include <mach/imx23-regs.h> #include <mach/clock.h> #include <io.h> diff --git a/arch/arm/mach-mxs/clocksource-imx28.c b/arch/arm/mach-mxs/clocksource-imx28.c index d26aa93c36..4f38af68b4 100644 --- a/arch/arm/mach-mxs/clocksource-imx28.c +++ b/arch/arm/mach-mxs/clocksource-imx28.c @@ -16,7 +16,7 @@ #include <init.h> #include <clock.h> #include <notifier.h> -#include <mach/imx-regs.h> +#include <mach/imx28-regs.h> #include <mach/clock.h> #include <io.h> diff --git a/arch/arm/mach-mxs/include/mach/imx23-regs.h b/arch/arm/mach-mxs/include/mach/imx23-regs.h index 7fb664b334..3fd2f3d15b 100644 --- a/arch/arm/mach-mxs/include/mach/imx23-regs.h +++ b/arch/arm/mach-mxs/include/mach/imx23-regs.h @@ -24,9 +24,11 @@ #define IMX_DBGUART_BASE 0x80070000 #define IMX_TIM1_BASE 0x80068000 #define IMX_IOMUXC_BASE 0x80018000 +#define IMX_EMI_BASE 0x80020000 #define IMX_OCOTP_BASE 0x8002c000 #define IMX_WDT_BASE 0x8005c000 #define IMX_CCM_BASE 0x80040000 +#define IMX_LRADC_BASE 0x80050000 #define IMX_I2C1_BASE 0x80058000 #define IMX_SSP1_BASE 0x80010000 #define IMX_FB_BASE 0x80030000 @@ -35,5 +37,6 @@ #define IMX_USBPHY_BASE 0x8007c000 #define IMX_DIGCTL_BASE 0x8001c000 #define IMX_USB_BASE 0x80080000 +#define IMX_SDRAMC_BASE 0x800e0000 #endif /* __ASM_ARCH_MX23_REGS_H */ diff --git a/arch/arm/mach-mxs/include/mach/imx28-regs.h b/arch/arm/mach-mxs/include/mach/imx28-regs.h index 088282963d..de0d882414 100644 --- a/arch/arm/mach-mxs/include/mach/imx28-regs.h +++ b/arch/arm/mach-mxs/include/mach/imx28-regs.h @@ -25,10 +25,12 @@ #define IMX_SSP3_BASE 0x80016000 #define IMX_IOMUXC_BASE 0x80018000 #define IMX_DIGCTL_BASE 0x8001c000 +#define IMX_EMI_BASE 0x80020000 #define IMX_OCOTP_BASE 0x8002c000 #define IMX_FB_BASE 0x80030000 #define IMX_CCM_BASE 0x80040000 #define IMX_POWER_BASE 0x80044000 +#define IMX_LRADC_BASE 0x80050000 #define IMX_WDT_BASE 0x80056000 #define IMX_I2C0_BASE 0x80058000 #define IMX_I2C1_BASE 0x8005a000 @@ -43,6 +45,7 @@ #define IMX_USBPHY1_BASE 0x8007e000 #define IMX_USB0_BASE 0x80080000 #define IMX_USB1_BASE 0x80090000 +#define IMX_SDRAMC_BASE 0x800e0000 #define IMX_FEC0_BASE 0x800F0000 #define IMX_FEC1_BASE 0x800F4000 diff --git a/arch/arm/mach-mxs/include/mach/init.h b/arch/arm/mach-mxs/include/mach/init.h new file mode 100644 index 0000000000..1f9d8d48c0 --- /dev/null +++ b/arch/arm/mach-mxs/include/mach/init.h @@ -0,0 +1,33 @@ +/* + * Freescale i.MX28 SPL functions + * + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * on behalf of DENX Software Engineering GmbH + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __M28_INIT_H__ +#define __M28_INIT_H__ + +void mxs_early_delay(int delay); + +void mx23_power_init(void); +void mx23_power_init_battery_input(void); +void mx28_power_init(void); +void mx28_power_init_battery_input(void); +void mxs_power_wait_pswitch(void); + +extern uint32_t mx28_dram_vals[]; +extern uint32_t mx23_dram_vals[]; + +void mx23_mem_init(void); +void mx28_mem_init(void); +void mxs_mem_setup_cpu_and_hbus(void); +void mxs_mem_setup_vdda(void); +void mxs_mem_init_clock(unsigned char divider); + +void mxs_lradc_init(void); +void mxs_lradc_enable_batt_measurement(void); + +#endif /* __M28_INIT_H__ */ diff --git a/arch/arm/mach-mxs/include/mach/iomux.h b/arch/arm/mach-mxs/include/mach/iomux.h index 4361be5782..0091dbae11 100644 --- a/arch/arm/mach-mxs/include/mach/iomux.h +++ b/arch/arm/mach-mxs/include/mach/iomux.h @@ -97,7 +97,7 @@ * .. PORTF(1, 15). So the PORTF macro is more ugly than necessary. */ # define PORTF(bank,bit) (BANK((bank) / 2) | BANKPIN((((bank) & 1) << 4) | (bit)) | ERROR((bit) & ~15) | ERROR((bank) & ~7)) -# define VE_2_5V VOLTAGE(1) +# define VE_2_5V VOLTAGE(0) # include <mach/iomux-imx23.h> #endif diff --git a/arch/arm/mach-mxs/include/mach/regs-clkctrl-mx23.h b/arch/arm/mach-mxs/include/mach/regs-clkctrl-mx23.h new file mode 100644 index 0000000000..289b159b74 --- /dev/null +++ b/arch/arm/mach-mxs/include/mach/regs-clkctrl-mx23.h @@ -0,0 +1,208 @@ +/* + * Freescale i.MX23 CLKCTRL Register Definitions + * + * Copyright (C) 2012 Marek Vasut <marek.vasut@gmail.com> + * on behalf of DENX Software Engineering GmbH + * + * Based on code from LTIB: + * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __MX23_REGS_CLKCTRL_H__ +#define __MX23_REGS_CLKCTRL_H__ + +#include <mach/regs-common.h> + +#ifndef __ASSEMBLY__ +struct mxs_clkctrl_regs { + mxs_reg_32(hw_clkctrl_pll0ctrl0) /* 0x00 */ + uint32_t hw_clkctrl_pll0ctrl1; /* 0x10 */ + uint32_t reserved_pll0ctrl1[3]; /* 0x14-0x1c */ + mxs_reg_32(hw_clkctrl_cpu) /* 0x20 */ + mxs_reg_32(hw_clkctrl_hbus) /* 0x30 */ + mxs_reg_32(hw_clkctrl_xbus) /* 0x40 */ + mxs_reg_32(hw_clkctrl_xtal) /* 0x50 */ + mxs_reg_32(hw_clkctrl_pix) /* 0x60 */ + mxs_reg_32(hw_clkctrl_ssp0) /* 0x70 */ + mxs_reg_32(hw_clkctrl_gpmi) /* 0x80 */ + mxs_reg_32(hw_clkctrl_spdif) /* 0x90 */ + mxs_reg_32(hw_clkctrl_emi) /* 0xa0 */ + + uint32_t reserved1[4]; + + mxs_reg_32(hw_clkctrl_saif0) /* 0xc0 */ + mxs_reg_32(hw_clkctrl_tv) /* 0xd0 */ + mxs_reg_32(hw_clkctrl_etm) /* 0xe0 */ + mxs_reg_8(hw_clkctrl_frac0) /* 0xf0 */ + mxs_reg_8(hw_clkctrl_frac1) /* 0x100 */ + mxs_reg_32(hw_clkctrl_clkseq) /* 0x110 */ + mxs_reg_32(hw_clkctrl_reset) /* 0x120 */ + mxs_reg_32(hw_clkctrl_status) /* 0x130 */ + mxs_reg_32(hw_clkctrl_version) /* 0x140 */ +}; +#endif + +#define CLKCTRL_PLL0CTRL0_LFR_SEL_MASK (0x3 << 28) +#define CLKCTRL_PLL0CTRL0_LFR_SEL_OFFSET 28 +#define CLKCTRL_PLL0CTRL0_LFR_SEL_DEFAULT (0x0 << 28) +#define CLKCTRL_PLL0CTRL0_LFR_SEL_TIMES_2 (0x1 << 28) +#define CLKCTRL_PLL0CTRL0_LFR_SEL_TIMES_05 (0x2 << 28) +#define CLKCTRL_PLL0CTRL0_LFR_SEL_UNDEFINED (0x3 << 28) +#define CLKCTRL_PLL0CTRL0_CP_SEL_MASK (0x3 << 24) +#define CLKCTRL_PLL0CTRL0_CP_SEL_OFFSET 24 +#define CLKCTRL_PLL0CTRL0_CP_SEL_DEFAULT (0x0 << 24) +#define CLKCTRL_PLL0CTRL0_CP_SEL_TIMES_2 (0x1 << 24) +#define CLKCTRL_PLL0CTRL0_CP_SEL_TIMES_05 (0x2 << 24) +#define CLKCTRL_PLL0CTRL0_CP_SEL_UNDEFINED (0x3 << 24) +#define CLKCTRL_PLL0CTRL0_DIV_SEL_MASK (0x3 << 20) +#define CLKCTRL_PLL0CTRL0_DIV_SEL_OFFSET 20 +#define CLKCTRL_PLL0CTRL0_DIV_SEL_DEFAULT (0x0 << 20) +#define CLKCTRL_PLL0CTRL0_DIV_SEL_LOWER (0x1 << 20) +#define CLKCTRL_PLL0CTRL0_DIV_SEL_LOWEST (0x2 << 20) +#define CLKCTRL_PLL0CTRL0_DIV_SEL_UNDEFINED (0x3 << 20) +#define CLKCTRL_PLL0CTRL0_EN_USB_CLKS (1 << 18) +#define CLKCTRL_PLL0CTRL0_POWER (1 << 16) + +#define CLKCTRL_PLL0CTRL1_LOCK (1 << 31) +#define CLKCTRL_PLL0CTRL1_FORCE_LOCK (1 << 30) +#define CLKCTRL_PLL0CTRL1_LOCK_COUNT_MASK 0xffff +#define CLKCTRL_PLL0CTRL1_LOCK_COUNT_OFFSET 0 + +#define CLKCTRL_CPU_BUSY_REF_XTAL (1 << 29) +#define CLKCTRL_CPU_BUSY_REF_CPU (1 << 28) +#define CLKCTRL_CPU_DIV_XTAL_FRAC_EN (1 << 26) +#define CLKCTRL_CPU_DIV_XTAL_MASK (0x3ff << 16) +#define CLKCTRL_CPU_DIV_XTAL_OFFSET 16 +#define CLKCTRL_CPU_INTERRUPT_WAIT (1 << 12) +#define CLKCTRL_CPU_DIV_CPU_FRAC_EN (1 << 10) +#define CLKCTRL_CPU_DIV_CPU_MASK 0x3f +#define CLKCTRL_CPU_DIV_CPU_OFFSET 0 + +#define CLKCTRL_HBUS_BUSY (1 << 29) +#define CLKCTRL_HBUS_DCP_AS_ENABLE (1 << 28) +#define CLKCTRL_HBUS_PXP_AS_ENABLE (1 << 27) +#define CLKCTRL_HBUS_APBHDMA_AS_ENABLE (1 << 26) +#define CLKCTRL_HBUS_APBXDMA_AS_ENABLE (1 << 25) +#define CLKCTRL_HBUS_TRAFFIC_JAM_AS_ENABLE (1 << 24) +#define CLKCTRL_HBUS_TRAFFIC_AS_ENABLE (1 << 23) +#define CLKCTRL_HBUS_CPU_DATA_AS_ENABLE (1 << 22) +#define CLKCTRL_HBUS_CPU_INSTR_AS_ENABLE (1 << 21) +#define CLKCTRL_HBUS_AUTO_SLOW_MODE (1 << 20) +#define CLKCTRL_HBUS_SLOW_DIV_MASK (0x7 << 16) +#define CLKCTRL_HBUS_SLOW_DIV_OFFSET 16 +#define CLKCTRL_HBUS_SLOW_DIV_BY1 (0x0 << 16) +#define CLKCTRL_HBUS_SLOW_DIV_BY2 (0x1 << 16) +#define CLKCTRL_HBUS_SLOW_DIV_BY4 (0x2 << 16) +#define CLKCTRL_HBUS_SLOW_DIV_BY8 (0x3 << 16) +#define CLKCTRL_HBUS_SLOW_DIV_BY16 (0x4 << 16) +#define CLKCTRL_HBUS_SLOW_DIV_BY32 (0x5 << 16) +#define CLKCTRL_HBUS_DIV_FRAC_EN (1 << 5) +#define CLKCTRL_HBUS_DIV_MASK 0x1f +#define CLKCTRL_HBUS_DIV_OFFSET 0 + +#define CLKCTRL_XBUS_BUSY (1 << 31) +#define CLKCTRL_XBUS_DIV_FRAC_EN (1 << 10) +#define CLKCTRL_XBUS_DIV_MASK 0x3ff +#define CLKCTRL_XBUS_DIV_OFFSET 0 + +#define CLKCTRL_XTAL_UART_CLK_GATE (1 << 31) +#define CLKCTRL_XTAL_FILT_CLK24M_GATE (1 << 30) +#define CLKCTRL_XTAL_PWM_CLK24M_GATE (1 << 29) +#define CLKCTRL_XTAL_DRI_CLK24M_GATE (1 << 28) +#define CLKCTRL_XTAL_DIGCTRL_CLK1M_GATE (1 << 27) +#define CLKCTRL_XTAL_TIMROT_CLK32K_GATE (1 << 26) +#define CLKCTRL_XTAL_DIV_UART_MASK 0x3 +#define CLKCTRL_XTAL_DIV_UART_OFFSET 0 + +#define CLKCTRL_PIX_CLKGATE (1 << 31) +#define CLKCTRL_PIX_BUSY (1 << 29) +#define CLKCTRL_PIX_DIV_FRAC_EN (1 << 12) +#define CLKCTRL_PIX_DIV_MASK 0xfff +#define CLKCTRL_PIX_DIV_OFFSET 0 + +#define CLKCTRL_SSP_CLKGATE (1 << 31) +#define CLKCTRL_SSP_BUSY (1 << 29) +#define CLKCTRL_SSP_DIV_FRAC_EN (1 << 9) +#define CLKCTRL_SSP_DIV_MASK 0x1ff +#define CLKCTRL_SSP_DIV_OFFSET 0 + +#define CLKCTRL_GPMI_CLKGATE (1 << 31) +#define CLKCTRL_GPMI_BUSY (1 << 29) +#define CLKCTRL_GPMI_DIV_FRAC_EN (1 << 10) +#define CLKCTRL_GPMI_DIV_MASK 0x3ff +#define CLKCTRL_GPMI_DIV_OFFSET 0 + +#define CLKCTRL_SPDIF_CLKGATE (1 << 31) + +#define CLKCTRL_EMI_CLKGATE (1 << 31) +#define CLKCTRL_EMI_SYNC_MODE_EN (1 << 30) +#define CLKCTRL_EMI_BUSY_REF_XTAL (1 << 29) +#define CLKCTRL_EMI_BUSY_REF_EMI (1 << 28) +#define CLKCTRL_EMI_BUSY_REF_CPU (1 << 27) +#define CLKCTRL_EMI_BUSY_SYNC_MODE (1 << 26) +#define CLKCTRL_EMI_BUSY_DCC_RESYNC (1 << 17) +#define CLKCTRL_EMI_DCC_RESYNC_ENABLE (1 << 16) +#define CLKCTRL_EMI_DIV_XTAL_MASK (0xf << 8) +#define CLKCTRL_EMI_DIV_XTAL_OFFSET 8 +#define CLKCTRL_EMI_DIV_EMI_MASK 0x3f +#define CLKCTRL_EMI_DIV_EMI_OFFSET 0 + +#define CLKCTRL_IR_CLKGATE (1 << 31) +#define CLKCTRL_IR_AUTO_DIV (1 << 29) +#define CLKCTRL_IR_IR_BUSY (1 << 28) +#define CLKCTRL_IR_IROV_BUSY (1 << 27) +#define CLKCTRL_IR_IROV_DIV_MASK (0x1ff << 16) +#define CLKCTRL_IR_IROV_DIV_OFFSET 16 +#define CLKCTRL_IR_IR_DIV_MASK 0x3ff +#define CLKCTRL_IR_IR_DIV_OFFSET 0 + +#define CLKCTRL_SAIF0_CLKGATE (1 << 31) +#define CLKCTRL_SAIF0_BUSY (1 << 29) +#define CLKCTRL_SAIF0_DIV_FRAC_EN (1 << 16) +#define CLKCTRL_SAIF0_DIV_MASK 0xffff +#define CLKCTRL_SAIF0_DIV_OFFSET 0 + +#define CLKCTRL_TV_CLK_TV108M_GATE (1 << 31) +#define CLKCTRL_TV_CLK_TV_GATE (1 << 30) + +#define CLKCTRL_ETM_CLKGATE (1 << 31) +#define CLKCTRL_ETM_BUSY (1 << 29) +#define CLKCTRL_ETM_DIV_FRAC_EN (1 << 6) +#define CLKCTRL_ETM_DIV_MASK 0x3f +#define CLKCTRL_ETM_DIV_OFFSET 0 + +#define CLKCTRL_FRAC_CLKGATE (1 << 7) +#define CLKCTRL_FRAC_STABLE (1 << 6) +#define CLKCTRL_FRAC_FRAC_MASK 0x3f +#define CLKCTRL_FRAC_FRAC_OFFSET 0 +#define CLKCTRL_FRAC0_CPU 0 +#define CLKCTRL_FRAC0_EMI 1 +#define CLKCTRL_FRAC0_PIX 2 +#define CLKCTRL_FRAC0_IO0 3 +#define CLKCTRL_FRAC1_VID 3 + +#define CLKCTRL_CLKSEQ_BYPASS_ETM (1 << 8) +#define CLKCTRL_CLKSEQ_BYPASS_CPU (1 << 7) +#define CLKCTRL_CLKSEQ_BYPASS_EMI (1 << 6) +#define CLKCTRL_CLKSEQ_BYPASS_SSP0 (1 << 5) +#define CLKCTRL_CLKSEQ_BYPASS_GPMI (1 << 4) +#define CLKCTRL_CLKSEQ_BYPASS_IR (1 << 3) +#define CLKCTRL_CLKSEQ_BYPASS_PIX (1 << 1) +#define CLKCTRL_CLKSEQ_BYPASS_SAIF (1 << 0) + +#define CLKCTRL_RESET_CHIP (1 << 1) +#define CLKCTRL_RESET_DIG (1 << 0) + +#define CLKCTRL_STATUS_CPU_LIMIT_MASK (0x3 << 30) +#define CLKCTRL_STATUS_CPU_LIMIT_OFFSET 30 + +#define CLKCTRL_VERSION_MAJOR_MASK (0xff << 24) +#define CLKCTRL_VERSION_MAJOR_OFFSET 24 +#define CLKCTRL_VERSION_MINOR_MASK (0xff << 16) +#define CLKCTRL_VERSION_MINOR_OFFSET 16 +#define CLKCTRL_VERSION_STEP_MASK 0xffff +#define CLKCTRL_VERSION_STEP_OFFSET 0 + +#endif /* __MX23_REGS_CLKCTRL_H__ */ diff --git a/arch/arm/mach-mxs/include/mach/regs-clkctrl-mx28.h b/arch/arm/mach-mxs/include/mach/regs-clkctrl-mx28.h new file mode 100644 index 0000000000..aebb489d4b --- /dev/null +++ b/arch/arm/mach-mxs/include/mach/regs-clkctrl-mx28.h @@ -0,0 +1,283 @@ +/* + * Freescale i.MX28 CLKCTRL Register Definitions + * + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * on behalf of DENX Software Engineering GmbH + * + * Based on code from LTIB: + * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __MX28_REGS_CLKCTRL_H__ +#define __MX28_REGS_CLKCTRL_H__ + +#include <mach/regs-common.h> + +#ifndef __ASSEMBLY__ +struct mxs_clkctrl_regs { + mxs_reg_32(hw_clkctrl_pll0ctrl0) /* 0x00 */ + uint32_t hw_clkctrl_pll0ctrl1; /* 0x10 */ + uint32_t reserved_pll0ctrl1[3]; /* 0x14-0x1c */ + mxs_reg_32(hw_clkctrl_pll1ctrl0) /* 0x20 */ + uint32_t hw_clkctrl_pll1ctrl1; /* 0x30 */ + uint32_t reserved_pll1ctrl1[3]; /* 0x34-0x3c */ + mxs_reg_32(hw_clkctrl_pll2ctrl0) /* 0x40 */ + mxs_reg_32(hw_clkctrl_cpu) /* 0x50 */ + mxs_reg_32(hw_clkctrl_hbus) /* 0x60 */ + mxs_reg_32(hw_clkctrl_xbus) /* 0x70 */ + mxs_reg_32(hw_clkctrl_xtal) /* 0x80 */ + mxs_reg_32(hw_clkctrl_ssp0) /* 0x90 */ + mxs_reg_32(hw_clkctrl_ssp1) /* 0xa0 */ + mxs_reg_32(hw_clkctrl_ssp2) /* 0xb0 */ + mxs_reg_32(hw_clkctrl_ssp3) /* 0xc0 */ + mxs_reg_32(hw_clkctrl_gpmi) /* 0xd0 */ + mxs_reg_32(hw_clkctrl_spdif) /* 0xe0 */ + mxs_reg_32(hw_clkctrl_emi) /* 0xf0 */ + mxs_reg_32(hw_clkctrl_saif0) /* 0x100 */ + mxs_reg_32(hw_clkctrl_saif1) /* 0x110 */ + mxs_reg_32(hw_clkctrl_lcdif) /* 0x120 */ + mxs_reg_32(hw_clkctrl_etm) /* 0x130 */ + mxs_reg_32(hw_clkctrl_enet) /* 0x140 */ + mxs_reg_32(hw_clkctrl_hsadc) /* 0x150 */ + mxs_reg_32(hw_clkctrl_flexcan) /* 0x160 */ + + uint32_t reserved[16]; + + mxs_reg_8(hw_clkctrl_frac0) /* 0x1b0 */ + mxs_reg_8(hw_clkctrl_frac1) /* 0x1c0 */ + mxs_reg_32(hw_clkctrl_clkseq) /* 0x1d0 */ + mxs_reg_32(hw_clkctrl_reset) /* 0x1e0 */ + mxs_reg_32(hw_clkctrl_status) /* 0x1f0 */ + mxs_reg_32(hw_clkctrl_version) /* 0x200 */ +}; +#endif + +#define CLKCTRL_PLL0CTRL0_LFR_SEL_MASK (0x3 << 28) +#define CLKCTRL_PLL0CTRL0_LFR_SEL_OFFSET 28 +#define CLKCTRL_PLL0CTRL0_LFR_SEL_DEFAULT (0x0 << 28) +#define CLKCTRL_PLL0CTRL0_LFR_SEL_TIMES_2 (0x1 << 28) +#define CLKCTRL_PLL0CTRL0_LFR_SEL_TIMES_05 (0x2 << 28) +#define CLKCTRL_PLL0CTRL0_LFR_SEL_UNDEFINED (0x3 << 28) +#define CLKCTRL_PLL0CTRL0_CP_SEL_MASK (0x3 << 24) +#define CLKCTRL_PLL0CTRL0_CP_SEL_OFFSET 24 +#define CLKCTRL_PLL0CTRL0_CP_SEL_DEFAULT (0x0 << 24) +#define CLKCTRL_PLL0CTRL0_CP_SEL_TIMES_2 (0x1 << 24) +#define CLKCTRL_PLL0CTRL0_CP_SEL_TIMES_05 (0x2 << 24) +#define CLKCTRL_PLL0CTRL0_CP_SEL_UNDEFINED (0x3 << 24) +#define CLKCTRL_PLL0CTRL0_DIV_SEL_MASK (0x3 << 20) +#define CLKCTRL_PLL0CTRL0_DIV_SEL_OFFSET 20 +#define CLKCTRL_PLL0CTRL0_DIV_SEL_DEFAULT (0x0 << 20) +#define CLKCTRL_PLL0CTRL0_DIV_SEL_LOWER (0x1 << 20) +#define CLKCTRL_PLL0CTRL0_DIV_SEL_LOWEST (0x2 << 20) +#define CLKCTRL_PLL0CTRL0_DIV_SEL_UNDEFINED (0x3 << 20) +#define CLKCTRL_PLL0CTRL0_EN_USB_CLKS (1 << 18) +#define CLKCTRL_PLL0CTRL0_POWER (1 << 17) + +#define CLKCTRL_PLL0CTRL1_LOCK (1 << 31) +#define CLKCTRL_PLL0CTRL1_FORCE_LOCK (1 << 30) +#define CLKCTRL_PLL0CTRL1_LOCK_COUNT_MASK 0xffff +#define CLKCTRL_PLL0CTRL1_LOCK_COUNT_OFFSET 0 + +#define CLKCTRL_PLL1CTRL0_CLKGATEEMI (1 << 31) +#define CLKCTRL_PLL1CTRL0_LFR_SEL_MASK (0x3 << 28) +#define CLKCTRL_PLL1CTRL0_LFR_SEL_OFFSET 28 +#define CLKCTRL_PLL1CTRL0_LFR_SEL_DEFAULT (0x0 << 28) +#define CLKCTRL_PLL1CTRL0_LFR_SEL_TIMES_2 (0x1 << 28) +#define CLKCTRL_PLL1CTRL0_LFR_SEL_TIMES_05 (0x2 << 28) +#define CLKCTRL_PLL1CTRL0_LFR_SEL_UNDEFINED (0x3 << 28) +#define CLKCTRL_PLL1CTRL0_CP_SEL_MASK (0x3 << 24) +#define CLKCTRL_PLL1CTRL0_CP_SEL_OFFSET 24 +#define CLKCTRL_PLL1CTRL0_CP_SEL_DEFAULT (0x0 << 24) +#define CLKCTRL_PLL1CTRL0_CP_SEL_TIMES_2 (0x1 << 24) +#define CLKCTRL_PLL1CTRL0_CP_SEL_TIMES_05 (0x2 << 24) +#define CLKCTRL_PLL1CTRL0_CP_SEL_UNDEFINED (0x3 << 24) +#define CLKCTRL_PLL1CTRL0_DIV_SEL_MASK (0x3 << 20) +#define CLKCTRL_PLL1CTRL0_DIV_SEL_OFFSET 20 +#define CLKCTRL_PLL1CTRL0_DIV_SEL_DEFAULT (0x0 << 20) +#define CLKCTRL_PLL1CTRL0_DIV_SEL_LOWER (0x1 << 20) +#define CLKCTRL_PLL1CTRL0_DIV_SEL_LOWEST (0x2 << 20) +#define CLKCTRL_PLL1CTRL0_DIV_SEL_UNDEFINED (0x3 << 20) +#define CLKCTRL_PLL1CTRL0_EN_USB_CLKS (1 << 18) +#define CLKCTRL_PLL1CTRL0_POWER (1 << 17) + +#define CLKCTRL_PLL1CTRL1_LOCK (1 << 31) +#define CLKCTRL_PLL1CTRL1_FORCE_LOCK (1 << 30) +#define CLKCTRL_PLL1CTRL1_LOCK_COUNT_MASK 0xffff +#define CLKCTRL_PLL1CTRL1_LOCK_COUNT_OFFSET 0 + +#define CLKCTRL_PLL2CTRL0_CLKGATE (1 << 31) +#define CLKCTRL_PLL2CTRL0_LFR_SEL_MASK (0x3 << 28) +#define CLKCTRL_PLL2CTRL0_LFR_SEL_OFFSET 28 +#define CLKCTRL_PLL2CTRL0_HOLD_RING_OFF_B (1 << 26) +#define CLKCTRL_PLL2CTRL0_CP_SEL_MASK (0x3 << 24) +#define CLKCTRL_PLL2CTRL0_CP_SEL_OFFSET 24 +#define CLKCTRL_PLL2CTRL0_POWER (1 << 23) + +#define CLKCTRL_CPU_BUSY_REF_XTAL (1 << 29) +#define CLKCTRL_CPU_BUSY_REF_CPU (1 << 28) +#define CLKCTRL_CPU_DIV_XTAL_FRAC_EN (1 << 26) +#define CLKCTRL_CPU_DIV_XTAL_MASK (0x3ff << 16) +#define CLKCTRL_CPU_DIV_XTAL_OFFSET 16 +#define CLKCTRL_CPU_INTERRUPT_WAIT (1 << 12) +#define CLKCTRL_CPU_DIV_CPU_FRAC_EN (1 << 10) +#define CLKCTRL_CPU_DIV_CPU_MASK 0x3f +#define CLKCTRL_CPU_DIV_CPU_OFFSET 0 + +#define CLKCTRL_HBUS_ASM_BUSY (1 << 31) +#define CLKCTRL_HBUS_DCP_AS_ENABLE (1 << 30) +#define CLKCTRL_HBUS_PXP_AS_ENABLE (1 << 29) +#define CLKCTRL_HBUS_ASM_EMIPORT_AS_ENABLE (1 << 27) +#define CLKCTRL_HBUS_APBHDMA_AS_ENABLE (1 << 26) +#define CLKCTRL_HBUS_APBXDMA_AS_ENABLE (1 << 25) +#define CLKCTRL_HBUS_TRAFFIC_JAM_AS_ENABLE (1 << 24) +#define CLKCTRL_HBUS_TRAFFIC_AS_ENABLE (1 << 23) +#define CLKCTRL_HBUS_CPU_DATA_AS_ENABLE (1 << 22) +#define CLKCTRL_HBUS_CPU_INSTR_AS_ENABLE (1 << 21) +#define CLKCTRL_HBUS_ASM_ENABLE (1 << 20) +#define CLKCTRL_HBUS_AUTO_CLEAR_DIV_ENABLE (1 << 19) +#define CLKCTRL_HBUS_SLOW_DIV_MASK (0x7 << 16) +#define CLKCTRL_HBUS_SLOW_DIV_OFFSET 16 +#define CLKCTRL_HBUS_SLOW_DIV_BY1 (0x0 << 16) +#define CLKCTRL_HBUS_SLOW_DIV_BY2 (0x1 << 16) +#define CLKCTRL_HBUS_SLOW_DIV_BY4 (0x2 << 16) +#define CLKCTRL_HBUS_SLOW_DIV_BY8 (0x3 << 16) +#define CLKCTRL_HBUS_SLOW_DIV_BY16 (0x4 << 16) +#define CLKCTRL_HBUS_SLOW_DIV_BY32 (0x5 << 16) +#define CLKCTRL_HBUS_DIV_FRAC_EN (1 << 5) +#define CLKCTRL_HBUS_DIV_MASK 0x1f +#define CLKCTRL_HBUS_DIV_OFFSET 0 + +#define CLKCTRL_XBUS_BUSY (1 << 31) +#define CLKCTRL_XBUS_AUTO_CLEAR_DIV_ENABLE (1 << 11) +#define CLKCTRL_XBUS_DIV_FRAC_EN (1 << 10) +#define CLKCTRL_XBUS_DIV_MASK 0x3ff +#define CLKCTRL_XBUS_DIV_OFFSET 0 + +#define CLKCTRL_XTAL_UART_CLK_GATE (1 << 31) +#define CLKCTRL_XTAL_PWM_CLK24M_GATE (1 << 29) +#define CLKCTRL_XTAL_TIMROT_CLK32K_GATE (1 << 26) +#define CLKCTRL_XTAL_DIV_UART_MASK 0x3 +#define CLKCTRL_XTAL_DIV_UART_OFFSET 0 + +#define CLKCTRL_SSP_CLKGATE (1 << 31) +#define CLKCTRL_SSP_BUSY (1 << 29) +#define CLKCTRL_SSP_DIV_FRAC_EN (1 << 9) +#define CLKCTRL_SSP_DIV_MASK 0x1ff +#define CLKCTRL_SSP_DIV_OFFSET 0 + +#define CLKCTRL_GPMI_CLKGATE (1 << 31) +#define CLKCTRL_GPMI_BUSY (1 << 29) +#define CLKCTRL_GPMI_DIV_FRAC_EN (1 << 10) +#define CLKCTRL_GPMI_DIV_MASK 0x3ff +#define CLKCTRL_GPMI_DIV_OFFSET 0 + +#define CLKCTRL_SPDIF_CLKGATE (1 << 31) + +#define CLKCTRL_EMI_CLKGATE (1 << 31) +#define CLKCTRL_EMI_SYNC_MODE_EN (1 << 30) +#define CLKCTRL_EMI_BUSY_REF_XTAL (1 << 29) +#define CLKCTRL_EMI_BUSY_REF_EMI (1 << 28) +#define CLKCTRL_EMI_BUSY_REF_CPU (1 << 27) +#define CLKCTRL_EMI_BUSY_SYNC_MODE (1 << 26) +#define CLKCTRL_EMI_BUSY_DCC_RESYNC (1 << 17) +#define CLKCTRL_EMI_DCC_RESYNC_ENABLE (1 << 16) +#define CLKCTRL_EMI_DIV_XTAL_MASK (0xf << 8) +#define CLKCTRL_EMI_DIV_XTAL_OFFSET 8 +#define CLKCTRL_EMI_DIV_EMI_MASK 0x3f +#define CLKCTRL_EMI_DIV_EMI_OFFSET 0 + +#define CLKCTRL_SAIF0_CLKGATE (1 << 31) +#define CLKCTRL_SAIF0_BUSY (1 << 29) +#define CLKCTRL_SAIF0_DIV_FRAC_EN (1 << 16) +#define CLKCTRL_SAIF0_DIV_MASK 0xffff +#define CLKCTRL_SAIF0_DIV_OFFSET 0 + +#define CLKCTRL_SAIF1_CLKGATE (1 << 31) +#define CLKCTRL_SAIF1_BUSY (1 << 29) +#define CLKCTRL_SAIF1_DIV_FRAC_EN (1 << 16) +#define CLKCTRL_SAIF1_DIV_MASK 0xffff +#define CLKCTRL_SAIF1_DIV_OFFSET 0 + +#define CLKCTRL_DIS_LCDIF_CLKGATE (1 << 31) +#define CLKCTRL_DIS_LCDIF_BUSY (1 << 29) +#define CLKCTRL_DIS_LCDIF_DIV_FRAC_EN (1 << 13) +#define CLKCTRL_DIS_LCDIF_DIV_MASK 0x1fff +#define CLKCTRL_DIS_LCDIF_DIV_OFFSET 0 + +#define CLKCTRL_ETM_CLKGATE (1 << 31) +#define CLKCTRL_ETM_BUSY (1 << 29) +#define CLKCTRL_ETM_DIV_FRAC_EN (1 << 7) +#define CLKCTRL_ETM_DIV_MASK 0x7f +#define CLKCTRL_ETM_DIV_OFFSET 0 + +#define CLKCTRL_ENET_SLEEP (1 << 31) +#define CLKCTRL_ENET_DISABLE (1 << 30) +#define CLKCTRL_ENET_STATUS (1 << 29) +#define CLKCTRL_ENET_BUSY_TIME (1 << 27) +#define CLKCTRL_ENET_DIV_TIME_MASK (0x3f << 21) +#define CLKCTRL_ENET_DIV_TIME_OFFSET 21 +#define CLKCTRL_ENET_TIME_SEL_MASK (0x3 << 19) +#define CLKCTRL_ENET_TIME_SEL_OFFSET 19 +#define CLKCTRL_ENET_TIME_SEL_XTAL (0x0 << 19) +#define CLKCTRL_ENET_TIME_SEL_PLL (0x1 << 19) +#define CLKCTRL_ENET_TIME_SEL_RMII_CLK (0x2 << 19) +#define CLKCTRL_ENET_TIME_SEL_UNDEFINED (0x3 << 19) +#define CLKCTRL_ENET_CLK_OUT_EN (1 << 18) +#define CLKCTRL_ENET_RESET_BY_SW_CHIP (1 << 17) +#define CLKCTRL_ENET_RESET_BY_SW (1 << 16) + +#define CLKCTRL_HSADC_RESETB (1 << 30) +#define CLKCTRL_HSADC_FREQDIV_MASK (0x3 << 28) +#define CLKCTRL_HSADC_FREQDIV_OFFSET 28 + +#define CLKCTRL_FLEXCAN_STOP_CAN0 (1 << 30) +#define CLKCTRL_FLEXCAN_CAN0_STATUS (1 << 29) +#define CLKCTRL_FLEXCAN_STOP_CAN1 (1 << 28) +#define CLKCTRL_FLEXCAN_CAN1_STATUS (1 << 27) + +#define CLKCTRL_FRAC_CLKGATE (1 << 7) +#define CLKCTRL_FRAC_STABLE (1 << 6) +#define CLKCTRL_FRAC_FRAC_MASK 0x3f +#define CLKCTRL_FRAC_FRAC_OFFSET 0 +#define CLKCTRL_FRAC0_CPU 0 +#define CLKCTRL_FRAC0_EMI 1 +#define CLKCTRL_FRAC0_IO1 2 +#define CLKCTRL_FRAC0_IO0 3 +#define CLKCTRL_FRAC1_PIX 0 +#define CLKCTRL_FRAC1_HSADC 1 +#define CLKCTRL_FRAC1_GPMI 2 + +#define CLKCTRL_CLKSEQ_BYPASS_CPU (1 << 18) +#define CLKCTRL_CLKSEQ_BYPASS_DIS_LCDIF (1 << 14) +#define CLKCTRL_CLKSEQ_BYPASS_DIS_LCDIF_BYPASS (0x1 << 14) +#define CLKCTRL_CLKSEQ_BYPASS_DIS_LCDIF_PFD (0x0 << 14) +#define CLKCTRL_CLKSEQ_BYPASS_ETM (1 << 8) +#define CLKCTRL_CLKSEQ_BYPASS_EMI (1 << 7) +#define CLKCTRL_CLKSEQ_BYPASS_SSP3 (1 << 6) +#define CLKCTRL_CLKSEQ_BYPASS_SSP2 (1 << 5) +#define CLKCTRL_CLKSEQ_BYPASS_SSP1 (1 << 4) +#define CLKCTRL_CLKSEQ_BYPASS_SSP0 (1 << 3) +#define CLKCTRL_CLKSEQ_BYPASS_GPMI (1 << 2) +#define CLKCTRL_CLKSEQ_BYPASS_SAIF1 (1 << 1) +#define CLKCTRL_CLKSEQ_BYPASS_SAIF0 (1 << 0) + +#define CLKCTRL_RESET_WDOG_POR_DISABLE (1 << 5) +#define CLKCTRL_RESET_EXTERNAL_RESET_ENABLE (1 << 4) +#define CLKCTRL_RESET_THERMAL_RESET_ENABLE (1 << 3) +#define CLKCTRL_RESET_THERMAL_RESET_DEFAULT (1 << 2) +#define CLKCTRL_RESET_CHIP (1 << 1) +#define CLKCTRL_RESET_DIG (1 << 0) + +#define CLKCTRL_STATUS_CPU_LIMIT_MASK (0x3 << 30) +#define CLKCTRL_STATUS_CPU_LIMIT_OFFSET 30 + +#define CLKCTRL_VERSION_MAJOR_MASK (0xff << 24) +#define CLKCTRL_VERSION_MAJOR_OFFSET 24 +#define CLKCTRL_VERSION_MINOR_MASK (0xff << 16) +#define CLKCTRL_VERSION_MINOR_OFFSET 16 +#define CLKCTRL_VERSION_STEP_MASK 0xffff +#define CLKCTRL_VERSION_STEP_OFFSET 0 + +#endif /* __MX28_REGS_CLKCTRL_H__ */ diff --git a/arch/arm/mach-mxs/include/mach/regs-common.h b/arch/arm/mach-mxs/include/mach/regs-common.h new file mode 100644 index 0000000000..e54a220fa3 --- /dev/null +++ b/arch/arm/mach-mxs/include/mach/regs-common.h @@ -0,0 +1,69 @@ +/* + * Freescale i.MXS Register Accessors + * + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * on behalf of DENX Software Engineering GmbH + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __MXS_REGS_COMMON_H__ +#define __MXS_REGS_COMMON_H__ + +/* + * The i.MXS has interesting feature when it comes to register access. There + * are four kinds of access to one particular register. Those are: + * + * 1) Common read/write access. To use this mode, just write to the address of + * the register. + * 2) Set bits only access. To set bits, write which bits you want to set to the + * address of the register + 0x4. + * 3) Clear bits only access. To clear bits, write which bits you want to clear + * to the address of the register + 0x8. + * 4) Toggle bits only access. To toggle bits, write which bits you want to + * toggle to the address of the register + 0xc. + * + * IMPORTANT NOTE: Not all registers support accesses 2-4! Also, not all bits + * can be set/cleared by pure write as in access type 1, some need to be + * explicitly set/cleared by using access type 2-3. + * + * The following macros and structures allow the user to either access the + * register in all aforementioned modes (by accessing reg_name, reg_name_set, + * reg_name_clr, reg_name_tog) or pass the register structure further into + * various functions with correct type information (by accessing reg_name_reg). + * + */ + +#define __mxs_reg_8(name) \ + uint8_t name[4]; \ + uint8_t name##_set[4]; \ + uint8_t name##_clr[4]; \ + uint8_t name##_tog[4]; \ + +#define __mxs_reg_32(name) \ + uint32_t name; \ + uint32_t name##_set; \ + uint32_t name##_clr; \ + uint32_t name##_tog; + +struct mxs_register_8 { + __mxs_reg_8(reg) +}; + +struct mxs_register_32 { + __mxs_reg_32(reg) +}; + +#define mxs_reg_8(name) \ + union { \ + struct { __mxs_reg_8(name) }; \ + struct mxs_register_8 name##_reg; \ + }; + +#define mxs_reg_32(name) \ + union { \ + struct { __mxs_reg_32(name) }; \ + struct mxs_register_32 name##_reg; \ + }; + +#endif /* __MXS_REGS_COMMON_H__ */ diff --git a/arch/arm/mach-mxs/include/mach/regs-lradc.h b/arch/arm/mach-mxs/include/mach/regs-lradc.h new file mode 100644 index 0000000000..7f624be4c5 --- /dev/null +++ b/arch/arm/mach-mxs/include/mach/regs-lradc.h @@ -0,0 +1,387 @@ +/* + * Freescale i.MX28 LRADC Register Definitions + * + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * on behalf of DENX Software Engineering GmbH + * + * Based on code from LTIB: + * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __MX28_REGS_LRADC_H__ +#define __MX28_REGS_LRADC_H__ + +#include <mach/regs-common.h> + +#ifndef __ASSEMBLY__ +struct mxs_lradc_regs { + mxs_reg_32(hw_lradc_ctrl0); + mxs_reg_32(hw_lradc_ctrl1); + mxs_reg_32(hw_lradc_ctrl2); + mxs_reg_32(hw_lradc_ctrl3); + mxs_reg_32(hw_lradc_status); + mxs_reg_32(hw_lradc_ch0); + mxs_reg_32(hw_lradc_ch1); + mxs_reg_32(hw_lradc_ch2); + mxs_reg_32(hw_lradc_ch3); + mxs_reg_32(hw_lradc_ch4); + mxs_reg_32(hw_lradc_ch5); + mxs_reg_32(hw_lradc_ch6); + mxs_reg_32(hw_lradc_ch7); + mxs_reg_32(hw_lradc_delay0); + mxs_reg_32(hw_lradc_delay1); + mxs_reg_32(hw_lradc_delay2); + mxs_reg_32(hw_lradc_delay3); + mxs_reg_32(hw_lradc_debug0); + mxs_reg_32(hw_lradc_debug1); + mxs_reg_32(hw_lradc_conversion); + mxs_reg_32(hw_lradc_ctrl4); + mxs_reg_32(hw_lradc_treshold0); + mxs_reg_32(hw_lradc_treshold1); + mxs_reg_32(hw_lradc_version); +}; +#endif + +#define LRADC_CTRL0_SFTRST (1 << 31) +#define LRADC_CTRL0_CLKGATE (1 << 30) +#define LRADC_CTRL0_ONCHIP_GROUNDREF (1 << 26) +#define LRADC_CTRL0_BUTTON1_DETECT_ENABLE (1 << 25) +#define LRADC_CTRL0_BUTTON0_DETECT_ENABLE (1 << 24) +#define LRADC_CTRL0_TOUCH_DETECT_ENABLE (1 << 23) +#define LRADC_CTRL0_TOUCH_SCREEN_TYPE (1 << 22) +#define LRADC_CTRL0_YNLRSW (1 << 21) +#define LRADC_CTRL0_YPLLSW_MASK (0x3 << 19) +#define LRADC_CTRL0_YPLLSW_OFFSET 19 +#define LRADC_CTRL0_XNURSW_MASK (0x3 << 17) +#define LRADC_CTRL0_XNURSW_OFFSET 17 +#define LRADC_CTRL0_XPULSW (1 << 16) +#define LRADC_CTRL0_SCHEDULE_MASK 0xff +#define LRADC_CTRL0_SCHEDULE_OFFSET 0 + +#define LRADC_CTRL1_BUTTON1_DETECT_IRQ_EN (1 << 28) +#define LRADC_CTRL1_BUTTON0_DETECT_IRQ_EN (1 << 27) +#define LRADC_CTRL1_THRESHOLD1_DETECT_IRQ_EN (1 << 26) +#define LRADC_CTRL1_THRESHOLD0_DETECT_IRQ_EN (1 << 25) +#define LRADC_CTRL1_TOUCH_DETECT_IRQ_EN (1 << 24) +#define LRADC_CTRL1_LRADC7_IRQ_EN (1 << 23) +#define LRADC_CTRL1_LRADC6_IRQ_EN (1 << 22) +#define LRADC_CTRL1_LRADC5_IRQ_EN (1 << 21) +#define LRADC_CTRL1_LRADC4_IRQ_EN (1 << 20) +#define LRADC_CTRL1_LRADC3_IRQ_EN (1 << 19) +#define LRADC_CTRL1_LRADC2_IRQ_EN (1 << 18) +#define LRADC_CTRL1_LRADC1_IRQ_EN (1 << 17) +#define LRADC_CTRL1_LRADC0_IRQ_EN (1 << 16) +#define LRADC_CTRL1_BUTTON1_DETECT_IRQ (1 << 12) +#define LRADC_CTRL1_BUTTON0_DETECT_IRQ (1 << 11) +#define LRADC_CTRL1_THRESHOLD1_DETECT_IRQ (1 << 10) +#define LRADC_CTRL1_THRESHOLD0_DETECT_IRQ (1 << 9) +#define LRADC_CTRL1_TOUCH_DETECT_IRQ (1 << 8) +#define LRADC_CTRL1_LRADC7_IRQ (1 << 7) +#define LRADC_CTRL1_LRADC6_IRQ (1 << 6) +#define LRADC_CTRL1_LRADC5_IRQ (1 << 5) +#define LRADC_CTRL1_LRADC4_IRQ (1 << 4) +#define LRADC_CTRL1_LRADC3_IRQ (1 << 3) +#define LRADC_CTRL1_LRADC2_IRQ (1 << 2) +#define LRADC_CTRL1_LRADC1_IRQ (1 << 1) +#define LRADC_CTRL1_LRADC0_IRQ (1 << 0) + +#define LRADC_CTRL2_DIVIDE_BY_TWO_MASK (0xff << 24) +#define LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET 24 +#define LRADC_CTRL2_TEMPSENSE_PWD (1 << 15) +#define LRADC_CTRL2_VTHSENSE_MASK (0x3 << 13) +#define LRADC_CTRL2_VTHSENSE_OFFSET 13 +#define LRADC_CTRL2_DISABLE_MUXAMP_BYPASS (1 << 12) +#define LRADC_CTRL2_TEMP_SENSOR_IENABLE1 (1 << 9) +#define LRADC_CTRL2_TEMP_SENSOR_IENABLE0 (1 << 8) +#define LRADC_CTRL2_TEMP_ISRC1_MASK (0xf << 4) +#define LRADC_CTRL2_TEMP_ISRC1_OFFSET 4 +#define LRADC_CTRL2_TEMP_ISRC1_300 (0xf << 4) +#define LRADC_CTRL2_TEMP_ISRC1_280 (0xe << 4) +#define LRADC_CTRL2_TEMP_ISRC1_260 (0xd << 4) +#define LRADC_CTRL2_TEMP_ISRC1_240 (0xc << 4) +#define LRADC_CTRL2_TEMP_ISRC1_220 (0xb << 4) +#define LRADC_CTRL2_TEMP_ISRC1_200 (0xa << 4) +#define LRADC_CTRL2_TEMP_ISRC1_180 (0x9 << 4) +#define LRADC_CTRL2_TEMP_ISRC1_160 (0x8 << 4) +#define LRADC_CTRL2_TEMP_ISRC1_140 (0x7 << 4) +#define LRADC_CTRL2_TEMP_ISRC1_120 (0x6 << 4) +#define LRADC_CTRL2_TEMP_ISRC1_100 (0x5 << 4) +#define LRADC_CTRL2_TEMP_ISRC1_80 (0x4 << 4) +#define LRADC_CTRL2_TEMP_ISRC1_60 (0x3 << 4) +#define LRADC_CTRL2_TEMP_ISRC1_40 (0x2 << 4) +#define LRADC_CTRL2_TEMP_ISRC1_20 (0x1 << 4) +#define LRADC_CTRL2_TEMP_ISRC1_ZERO (0x0 << 4) +#define LRADC_CTRL2_TEMP_ISRC0_MASK (0xf << 0) +#define LRADC_CTRL2_TEMP_ISRC0_OFFSET 0 +#define LRADC_CTRL2_TEMP_ISRC0_300 (0xf << 0) +#define LRADC_CTRL2_TEMP_ISRC0_280 (0xe << 0) +#define LRADC_CTRL2_TEMP_ISRC0_260 (0xd << 0) +#define LRADC_CTRL2_TEMP_ISRC0_240 (0xc << 0) +#define LRADC_CTRL2_TEMP_ISRC0_220 (0xb << 0) +#define LRADC_CTRL2_TEMP_ISRC0_200 (0xa << 0) +#define LRADC_CTRL2_TEMP_ISRC0_180 (0x9 << 0) +#define LRADC_CTRL2_TEMP_ISRC0_160 (0x8 << 0) +#define LRADC_CTRL2_TEMP_ISRC0_140 (0x7 << 0) +#define LRADC_CTRL2_TEMP_ISRC0_120 (0x6 << 0) +#define LRADC_CTRL2_TEMP_ISRC0_100 (0x5 << 0) +#define LRADC_CTRL2_TEMP_ISRC0_80 (0x4 << 0) +#define LRADC_CTRL2_TEMP_ISRC0_60 (0x3 << 0) +#define LRADC_CTRL2_TEMP_ISRC0_40 (0x2 << 0) +#define LRADC_CTRL2_TEMP_ISRC0_20 (0x1 << 0) +#define LRADC_CTRL2_TEMP_ISRC0_ZERO (0x0 << 0) + +#define LRADC_CTRL3_DISCARD_MASK (0x3 << 24) +#define LRADC_CTRL3_DISCARD_OFFSET 24 +#define LRADC_CTRL3_DISCARD_1_SAMPLE (0x1 << 24) +#define LRADC_CTRL3_DISCARD_2_SAMPLES (0x2 << 24) +#define LRADC_CTRL3_DISCARD_3_SAMPLES (0x3 << 24) +#define LRADC_CTRL3_FORCE_ANALOG_PWUP (1 << 23) +#define LRADC_CTRL3_FORCE_ANALOG_PWDN (1 << 22) +#define LRADC_CTRL3_CYCLE_TIME_MASK (0x3 << 8) +#define LRADC_CTRL3_CYCLE_TIME_OFFSET 8 +#define LRADC_CTRL3_CYCLE_TIME_6MHZ (0x0 << 8) +#define LRADC_CTRL3_CYCLE_TIME_4MHZ (0x1 << 8) +#define LRADC_CTRL3_CYCLE_TIME_3MHZ (0x2 << 8) +#define LRADC_CTRL3_CYCLE_TIME_2MHZ (0x3 << 8) +#define LRADC_CTRL3_HIGH_TIME_MASK (0x3 << 4) +#define LRADC_CTRL3_HIGH_TIME_OFFSET 4 +#define LRADC_CTRL3_HIGH_TIME_42NS (0x0 << 4) +#define LRADC_CTRL3_HIGH_TIME_83NS (0x1 << 4) +#define LRADC_CTRL3_HIGH_TIME_125NS (0x2 << 4) +#define LRADC_CTRL3_HIGH_TIME_250NS (0x3 << 4) +#define LRADC_CTRL3_DELAY_CLOCK (1 << 1) +#define LRADC_CTRL3_INVERT_CLOCK (1 << 0) + +#define LRADC_STATUS_BUTTON1_PRESENT (1 << 28) +#define LRADC_STATUS_BUTTON0_PRESENT (1 << 27) +#define LRADC_STATUS_TEMP1_PRESENT (1 << 26) +#define LRADC_STATUS_TEMP0_PRESENT (1 << 25) +#define LRADC_STATUS_TOUCH_PANEL_PRESENT (1 << 24) +#define LRADC_STATUS_CHANNEL7_PRESENT (1 << 23) +#define LRADC_STATUS_CHANNEL6_PRESENT (1 << 22) +#define LRADC_STATUS_CHANNEL5_PRESENT (1 << 21) +#define LRADC_STATUS_CHANNEL4_PRESENT (1 << 20) +#define LRADC_STATUS_CHANNEL3_PRESENT (1 << 19) +#define LRADC_STATUS_CHANNEL2_PRESENT (1 << 18) +#define LRADC_STATUS_CHANNEL1_PRESENT (1 << 17) +#define LRADC_STATUS_CHANNEL0_PRESENT (1 << 16) +#define LRADC_STATUS_BUTTON1_DETECT_RAW (1 << 2) +#define LRADC_STATUS_BUTTON0_DETECT_RAW (1 << 1) +#define LRADC_STATUS_TOUCH_DETECT_RAW (1 << 0) + +#define LRADC_CH_TOGGLE (1 << 31) +#define LRADC_CH7_TESTMODE_TOGGLE (1 << 30) +#define LRADC_CH_ACCUMULATE (1 << 29) +#define LRADC_CH_NUM_SAMPLES_MASK (0x1f << 24) +#define LRADC_CH_NUM_SAMPLES_OFFSET 24 +#define LRADC_CH_VALUE_MASK 0x3ffff +#define LRADC_CH_VALUE_OFFSET 0 + +#define LRADC_DELAY_TRIGGER_LRADCS_MASK (0xff << 24) +#define LRADC_DELAY_TRIGGER_LRADCS_OFFSET 24 +#define LRADC_DELAY_KICK (1 << 20) +#define LRADC_DELAY_TRIGGER_DELAYS_MASK (0xf << 16) +#define LRADC_DELAY_TRIGGER_DELAYS_OFFSET 16 +#define LRADC_DELAY_LOOP_COUNT_MASK (0x1f << 11) +#define LRADC_DELAY_LOOP_COUNT_OFFSET 11 +#define LRADC_DELAY_DELAY_MASK 0x7ff +#define LRADC_DELAY_DELAY_OFFSET 0 + +#define LRADC_DEBUG0_READONLY_MASK (0xffff << 16) +#define LRADC_DEBUG0_READONLY_OFFSET 16 +#define LRADC_DEBUG0_STATE_MASK (0xfff << 0) +#define LRADC_DEBUG0_STATE_OFFSET 0 + +#define LRADC_DEBUG1_REQUEST_MASK (0xff << 16) +#define LRADC_DEBUG1_REQUEST_OFFSET 16 +#define LRADC_DEBUG1_TESTMODE_COUNT_MASK (0x1f << 8) +#define LRADC_DEBUG1_TESTMODE_COUNT_OFFSET 8 +#define LRADC_DEBUG1_TESTMODE6 (1 << 2) +#define LRADC_DEBUG1_TESTMODE5 (1 << 1) +#define LRADC_DEBUG1_TESTMODE (1 << 0) + +#define LRADC_CONVERSION_AUTOMATIC (1 << 20) +#define LRADC_CONVERSION_SCALE_FACTOR_MASK (0x3 << 16) +#define LRADC_CONVERSION_SCALE_FACTOR_OFFSET 16 +#define LRADC_CONVERSION_SCALE_FACTOR_NIMH (0x0 << 16) +#define LRADC_CONVERSION_SCALE_FACTOR_DUAL_NIMH (0x1 << 16) +#define LRADC_CONVERSION_SCALE_FACTOR_LI_ION (0x2 << 16) +#define LRADC_CONVERSION_SCALE_FACTOR_ALT_LI_ION (0x3 << 16) +#define LRADC_CONVERSION_SCALED_BATT_VOLTAGE_MASK 0x3ff +#define LRADC_CONVERSION_SCALED_BATT_VOLTAGE_OFFSET 0 + +#define LRADC_CTRL4_LRADC7SELECT_MASK (0xf << 28) +#define LRADC_CTRL4_LRADC7SELECT_OFFSET 28 +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL0 (0x0 << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL1 (0x1 << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL2 (0x2 << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL3 (0x3 << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL4 (0x4 << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL5 (0x5 << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL6 (0x6 << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL7 (0x7 << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL8 (0x8 << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL9 (0x9 << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL10 (0xa << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL11 (0xb << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL12 (0xc << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL13 (0xd << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL14 (0xe << 28) +#define LRADC_CTRL4_LRADC7SELECT_CHANNEL15 (0xf << 28) +#define LRADC_CTRL4_LRADC6SELECT_MASK (0xf << 24) +#define LRADC_CTRL4_LRADC6SELECT_OFFSET 24 +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL0 (0x0 << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL1 (0x1 << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL2 (0x2 << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL3 (0x3 << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL4 (0x4 << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL5 (0x5 << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL6 (0x6 << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL7 (0x7 << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL8 (0x8 << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL9 (0x9 << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL10 (0xa << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL11 (0xb << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL12 (0xc << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL13 (0xd << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL14 (0xe << 24) +#define LRADC_CTRL4_LRADC6SELECT_CHANNEL15 (0xf << 24) +#define LRADC_CTRL4_LRADC5SELECT_MASK (0xf << 20) +#define LRADC_CTRL4_LRADC5SELECT_OFFSET 20 +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL0 (0x0 << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL1 (0x1 << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL2 (0x2 << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL3 (0x3 << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL4 (0x4 << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL5 (0x5 << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL6 (0x6 << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL7 (0x7 << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL8 (0x8 << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL9 (0x9 << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL10 (0xa << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL11 (0xb << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL12 (0xc << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL13 (0xd << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL14 (0xe << 20) +#define LRADC_CTRL4_LRADC5SELECT_CHANNEL15 (0xf << 20) +#define LRADC_CTRL4_LRADC4SELECT_MASK (0xf << 16) +#define LRADC_CTRL4_LRADC4SELECT_OFFSET 16 +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL0 (0x0 << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL1 (0x1 << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL2 (0x2 << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL3 (0x3 << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL4 (0x4 << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL5 (0x5 << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL6 (0x6 << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL7 (0x7 << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL8 (0x8 << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL9 (0x9 << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL10 (0xa << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL11 (0xb << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL12 (0xc << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL13 (0xd << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL14 (0xe << 16) +#define LRADC_CTRL4_LRADC4SELECT_CHANNEL15 (0xf << 16) +#define LRADC_CTRL4_LRADC3SELECT_MASK (0xf << 12) +#define LRADC_CTRL4_LRADC3SELECT_OFFSET 12 +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL0 (0x0 << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL1 (0x1 << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL2 (0x2 << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL3 (0x3 << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL4 (0x4 << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL5 (0x5 << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL6 (0x6 << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL7 (0x7 << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL8 (0x8 << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL9 (0x9 << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL10 (0xa << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL11 (0xb << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL12 (0xc << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL13 (0xd << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL14 (0xe << 12) +#define LRADC_CTRL4_LRADC3SELECT_CHANNEL15 (0xf << 12) +#define LRADC_CTRL4_LRADC2SELECT_MASK (0xf << 8) +#define LRADC_CTRL4_LRADC2SELECT_OFFSET 8 +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL0 (0x0 << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL1 (0x1 << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL2 (0x2 << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL3 (0x3 << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL4 (0x4 << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL5 (0x5 << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL6 (0x6 << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL7 (0x7 << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL8 (0x8 << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL9 (0x9 << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL10 (0xa << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL11 (0xb << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL12 (0xc << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL13 (0xd << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL14 (0xe << 8) +#define LRADC_CTRL4_LRADC2SELECT_CHANNEL15 (0xf << 8) +#define LRADC_CTRL4_LRADC1SELECT_MASK (0xf << 4) +#define LRADC_CTRL4_LRADC1SELECT_OFFSET 4 +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL0 (0x0 << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL1 (0x1 << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL2 (0x2 << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL3 (0x3 << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL4 (0x4 << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL5 (0x5 << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL6 (0x6 << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL7 (0x7 << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL8 (0x8 << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL9 (0x9 << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL10 (0xa << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL11 (0xb << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL12 (0xc << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL13 (0xd << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL14 (0xe << 4) +#define LRADC_CTRL4_LRADC1SELECT_CHANNEL15 (0xf << 4) +#define LRADC_CTRL4_LRADC0SELECT_MASK 0xf +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL0 (0x0 << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL1 (0x1 << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL2 (0x2 << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL3 (0x3 << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL4 (0x4 << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL5 (0x5 << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL6 (0x6 << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL7 (0x7 << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL8 (0x8 << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL9 (0x9 << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL10 (0xa << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL11 (0xb << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL12 (0xc << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL13 (0xd << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL14 (0xe << 0) +#define LRADC_CTRL4_LRADC0SELECT_CHANNEL15 (0xf << 0) + +#define LRADC_THRESHOLD_ENABLE (1 << 24) +#define LRADC_THRESHOLD_BATTCHRG_DISABLE (1 << 23) +#define LRADC_THRESHOLD_CHANNEL_SEL_MASK (0x7 << 20) +#define LRADC_THRESHOLD_CHANNEL_SEL_OFFSET 20 +#define LRADC_THRESHOLD_CHANNEL_SEL_CHANNEL0 (0x0 << 20) +#define LRADC_THRESHOLD_CHANNEL_SEL_CHANNEL1 (0x1 << 20) +#define LRADC_THRESHOLD_CHANNEL_SEL_CHANNEL2 (0x2 << 20) +#define LRADC_THRESHOLD_CHANNEL_SEL_CHANNEL3 (0x3 << 20) +#define LRADC_THRESHOLD_CHANNEL_SEL_CHANNEL4 (0x4 << 20) +#define LRADC_THRESHOLD_CHANNEL_SEL_CHANNEL5 (0x5 << 20) +#define LRADC_THRESHOLD_CHANNEL_SEL_CHANNEL6 (0x6 << 20) +#define LRADC_THRESHOLD_CHANNEL_SEL_CHANNEL7 (0x7 << 20) +#define LRADC_THRESHOLD_SETTING_MASK (0x3 << 18) +#define LRADC_THRESHOLD_SETTING_OFFSET 18 +#define LRADC_THRESHOLD_SETTING_NO_COMPARE (0x0 << 18) +#define LRADC_THRESHOLD_SETTING_DETECT_LOW (0x1 << 18) +#define LRADC_THRESHOLD_SETTING_DETECT_HIGH (0x2 << 18) +#define LRADC_THRESHOLD_SETTING_RESERVED (0x3 << 18) +#define LRADC_THRESHOLD_VALUE_MASK 0x3ffff +#define LRADC_THRESHOLD_VALUE_OFFSET 0 + +#define LRADC_VERSION_MAJOR_MASK (0xff << 24) +#define LRADC_VERSION_MAJOR_OFFSET 24 +#define LRADC_VERSION_MINOR_MASK (0xff << 16) +#define LRADC_VERSION_MINOR_OFFSET 16 +#define LRADC_VERSION_STEP_MASK 0xffff +#define LRADC_VERSION_STEP_OFFSET 0 + +#endif /* __MX28_REGS_LRADC_H__ */ diff --git a/arch/arm/mach-mxs/include/mach/regs-power-mx28.h b/arch/arm/mach-mxs/include/mach/regs-power-mx28.h new file mode 100644 index 0000000000..7b7349662b --- /dev/null +++ b/arch/arm/mach-mxs/include/mach/regs-power-mx28.h @@ -0,0 +1,408 @@ +/* + * Freescale i.MX28 Power Controller Register Definitions + * + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __MX28_REGS_POWER_H__ +#define __MX28_REGS_POWER_H__ + +#include <mach/regs-common.h> + +#ifndef __ASSEMBLY__ +struct mxs_power_regs { + mxs_reg_32(hw_power_ctrl) + mxs_reg_32(hw_power_5vctrl) + mxs_reg_32(hw_power_minpwr) + mxs_reg_32(hw_power_charge) + uint32_t hw_power_vdddctrl; + uint32_t reserved_vddd[3]; + uint32_t hw_power_vddactrl; + uint32_t reserved_vdda[3]; + uint32_t hw_power_vddioctrl; + uint32_t reserved_vddio[3]; + uint32_t hw_power_vddmemctrl; + uint32_t reserved_vddmem[3]; + uint32_t hw_power_dcdc4p2; + uint32_t reserved_dcdc4p2[3]; + uint32_t hw_power_misc; + uint32_t reserved_misc[3]; + uint32_t hw_power_dclimits; + uint32_t reserved_dclimits[3]; + mxs_reg_32(hw_power_loopctrl) + uint32_t hw_power_sts; + uint32_t reserved_sts[3]; + mxs_reg_32(hw_power_speed) + uint32_t hw_power_battmonitor; + uint32_t reserved_battmonitor[3]; + + uint32_t reserved[4]; + + mxs_reg_32(hw_power_reset) +}; +#endif + +#define MX23_POWER_CTRL_CLKGATE (1 << 30) +#define POWER_CTRL_PSWITCH_MID_TRAN (1 << 27) +#define POWER_CTRL_DCDC4P2_BO_IRQ (1 << 24) +#define POWER_CTRL_ENIRQ_DCDC4P2_BO (1 << 23) +#define POWER_CTRL_VDD5V_DROOP_IRQ (1 << 22) +#define POWER_CTRL_ENIRQ_VDD5V_DROOP (1 << 21) +#define POWER_CTRL_PSWITCH_IRQ (1 << 20) +#define POWER_CTRL_PSWITCH_IRQ_SRC (1 << 19) +#define POWER_CTRL_POLARITY_PSWITCH (1 << 18) +#define POWER_CTRL_ENIRQ_PSWITCH (1 << 17) +#define POWER_CTRL_POLARITY_DC_OK (1 << 16) +#define POWER_CTRL_DC_OK_IRQ (1 << 15) +#define POWER_CTRL_ENIRQ_DC_OK (1 << 14) +#define POWER_CTRL_BATT_BO_IRQ (1 << 13) +#define POWER_CTRL_ENIRQ_BATT_BO (1 << 12) +#define POWER_CTRL_VDDIO_BO_IRQ (1 << 11) +#define POWER_CTRL_ENIRQ_VDDIO_BO (1 << 10) +#define POWER_CTRL_VDDA_BO_IRQ (1 << 9) +#define POWER_CTRL_ENIRQ_VDDA_BO (1 << 8) +#define POWER_CTRL_VDDD_BO_IRQ (1 << 7) +#define POWER_CTRL_ENIRQ_VDDD_BO (1 << 6) +#define POWER_CTRL_POLARITY_VBUSVALID (1 << 5) +#define POWER_CTRL_VBUS_VALID_IRQ (1 << 4) +#define POWER_CTRL_ENIRQ_VBUS_VALID (1 << 3) +#define POWER_CTRL_POLARITY_VDD5V_GT_VDDIO (1 << 2) +#define POWER_CTRL_VDD5V_GT_VDDIO_IRQ (1 << 1) +#define POWER_CTRL_ENIRQ_VDD5V_GT_VDDIO (1 << 0) + +#define MX28_POWER_5VCTRL_VBUSDROOP_TRSH_MASK (0x3 << 30) +#define MX28_POWER_5VCTRL_VBUSDROOP_TRSH_OFFSET 30 +#define MX28_POWER_5VCTRL_VBUSDROOP_TRSH_4V3 (0x0 << 30) +#define MX28_POWER_5VCTRL_VBUSDROOP_TRSH_4V4 (0x1 << 30) +#define MX28_POWER_5VCTRL_VBUSDROOP_TRSH_4V5 (0x2 << 30) +#define MX28_POWER_5VCTRL_VBUSDROOP_TRSH_4V7 (0x3 << 30) + +#define MX23_POWER_5VCTRL_VBUSDROOP_TRSH_MASK (0x3 << 28) +#define MX23_POWER_5VCTRL_VBUSDROOP_TRSH_OFFSET 28 +#define MX23_POWER_5VCTRL_VBUSDROOP_TRSH_4V3 (0x0 << 28) +#define MX23_POWER_5VCTRL_VBUSDROOP_TRSH_4V4 (0x1 << 28) +#define MX23_POWER_5VCTRL_VBUSDROOP_TRSH_4V5 (0x2 << 28) +#define MX23_POWER_5VCTRL_VBUSDROOP_TRSH_4V7 (0x3 << 28) + +#define POWER_5VCTRL_HEADROOM_ADJ_MASK (0x7 << 24) +#define POWER_5VCTRL_HEADROOM_ADJ_OFFSET 24 +#define MX28_POWER_5VCTRL_PWD_CHARGE_4P2_MASK (0x3 << 20) +#define MX23_POWER_5VCTRL_PWD_CHARGE_4P2_MASK (0x1 << 20) +#define POWER_5VCTRL_PWD_CHARGE_4P2_OFFSET 20 +#define POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK (0x3f << 12) +#define POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET 12 +#define POWER_5VCTRL_VBUSVALID_TRSH_MASK (0x7 << 8) +#define POWER_5VCTRL_VBUSVALID_TRSH_OFFSET 8 +#define POWER_5VCTRL_VBUSVALID_TRSH_2V9 (0x0 << 8) +#define POWER_5VCTRL_VBUSVALID_TRSH_4V0 (0x1 << 8) +#define POWER_5VCTRL_VBUSVALID_TRSH_4V1 (0x2 << 8) +#define POWER_5VCTRL_VBUSVALID_TRSH_4V2 (0x3 << 8) +#define POWER_5VCTRL_VBUSVALID_TRSH_4V3 (0x4 << 8) +#define POWER_5VCTRL_VBUSVALID_TRSH_4V4 (0x5 << 8) +#define POWER_5VCTRL_VBUSVALID_TRSH_4V5 (0x6 << 8) +#define POWER_5VCTRL_VBUSVALID_TRSH_4V6 (0x7 << 8) +#define POWER_5VCTRL_PWDN_5VBRNOUT (1 << 7) +#define POWER_5VCTRL_ENABLE_LINREG_ILIMIT (1 << 6) +#define POWER_5VCTRL_DCDC_XFER (1 << 5) +#define POWER_5VCTRL_VBUSVALID_5VDETECT (1 << 4) +#define POWER_5VCTRL_VBUSVALID_TO_B (1 << 3) +#define POWER_5VCTRL_ILIMIT_EQ_ZERO (1 << 2) +#define POWER_5VCTRL_PWRUP_VBUS_CMPS (1 << 1) +#define POWER_5VCTRL_ENABLE_DCDC (1 << 0) + +#define POWER_MINPWR_LOWPWR_4P2 (1 << 14) +#define MX23_POWER_MINPWR_VDAC_DUMP_CTRL (1 << 13) +#define POWER_MINPWR_PWD_BO (1 << 12) +#define POWER_MINPWR_USE_VDDXTAL_VBG (1 << 11) +#define POWER_MINPWR_PWD_ANA_CMPS (1 << 10) +#define POWER_MINPWR_ENABLE_OSC (1 << 9) +#define POWER_MINPWR_SELECT_OSC (1 << 8) +#define POWER_MINPWR_VBG_OFF (1 << 7) +#define POWER_MINPWR_DOUBLE_FETS (1 << 6) +#define POWER_MINPWR_HALFFETS (1 << 5) +#define POWER_MINPWR_LESSANA_I (1 << 4) +#define POWER_MINPWR_PWD_XTAL24 (1 << 3) +#define POWER_MINPWR_DC_STOPCLK (1 << 2) +#define POWER_MINPWR_EN_DC_PFM (1 << 1) +#define POWER_MINPWR_DC_HALFCLK (1 << 0) + +#define POWER_CHARGE_ADJ_VOLT_MASK (0x7 << 24) +#define POWER_CHARGE_ADJ_VOLT_OFFSET 24 +#define POWER_CHARGE_ADJ_VOLT_M025P (0x1 << 24) +#define POWER_CHARGE_ADJ_VOLT_P050P (0x2 << 24) +#define POWER_CHARGE_ADJ_VOLT_M075P (0x3 << 24) +#define POWER_CHARGE_ADJ_VOLT_P025P (0x4 << 24) +#define POWER_CHARGE_ADJ_VOLT_M050P (0x5 << 24) +#define POWER_CHARGE_ADJ_VOLT_P075P (0x6 << 24) +#define POWER_CHARGE_ADJ_VOLT_M100P (0x7 << 24) +#define POWER_CHARGE_ENABLE_LOAD (1 << 22) +#define MX23_POWER_CHARGE_ENABLE_CHARGER_RESISTORS (1 << 21) +#define POWER_CHARGE_ENABLE_FAULT_DETECT (1 << 20) +#define POWER_CHARGE_CHRG_STS_OFF (1 << 19) +#define MX28_POWER_CHARGE_LIION_4P1 (1 << 18) +#define MX23_POWER_CHARGE_USE_EXTERN_R (1 << 17) +#define POWER_CHARGE_PWD_BATTCHRG (1 << 16) +#define MX28_POWER_CHARGE_ENABLE_CHARGER_USB1 (1 << 13) +#define MX28_POWER_CHARGE_ENABLE_CHARGER_USB0 (1 << 12) +#define POWER_CHARGE_STOP_ILIMIT_MASK (0xf << 8) +#define POWER_CHARGE_STOP_ILIMIT_OFFSET 8 +#define POWER_CHARGE_STOP_ILIMIT_10MA (0x1 << 8) +#define POWER_CHARGE_STOP_ILIMIT_20MA (0x2 << 8) +#define POWER_CHARGE_STOP_ILIMIT_50MA (0x4 << 8) +#define POWER_CHARGE_STOP_ILIMIT_100MA (0x8 << 8) +#define POWER_CHARGE_BATTCHRG_I_MASK 0x3f +#define POWER_CHARGE_BATTCHRG_I_OFFSET 0 +#define POWER_CHARGE_BATTCHRG_I_10MA 0x01 +#define POWER_CHARGE_BATTCHRG_I_20MA 0x02 +#define POWER_CHARGE_BATTCHRG_I_50MA 0x04 +#define POWER_CHARGE_BATTCHRG_I_100MA 0x08 +#define POWER_CHARGE_BATTCHRG_I_200MA 0x10 +#define POWER_CHARGE_BATTCHRG_I_400MA 0x20 + +#define POWER_VDDDCTRL_ADJTN_MASK (0xf << 28) +#define POWER_VDDDCTRL_ADJTN_OFFSET 28 +#define POWER_VDDDCTRL_PWDN_BRNOUT (1 << 23) +#define POWER_VDDDCTRL_DISABLE_STEPPING (1 << 22) +#define POWER_VDDDCTRL_ENABLE_LINREG (1 << 21) +#define POWER_VDDDCTRL_DISABLE_FET (1 << 20) +#define POWER_VDDDCTRL_LINREG_OFFSET_MASK (0x3 << 16) +#define POWER_VDDDCTRL_LINREG_OFFSET_OFFSET 16 +#define POWER_VDDDCTRL_LINREG_OFFSET_0STEPS (0x0 << 16) +#define POWER_VDDDCTRL_LINREG_OFFSET_1STEPS_ABOVE (0x1 << 16) +#define POWER_VDDDCTRL_LINREG_OFFSET_1STEPS_BELOW (0x2 << 16) +#define POWER_VDDDCTRL_LINREG_OFFSET_2STEPS_BELOW (0x3 << 16) +#define POWER_VDDDCTRL_BO_OFFSET_MASK (0x7 << 8) +#define POWER_VDDDCTRL_BO_OFFSET_OFFSET 8 +#define POWER_VDDDCTRL_TRG_MASK 0x1f +#define POWER_VDDDCTRL_TRG_OFFSET 0 + +#define POWER_VDDACTRL_PWDN_BRNOUT (1 << 19) +#define POWER_VDDACTRL_DISABLE_STEPPING (1 << 18) +#define POWER_VDDACTRL_ENABLE_LINREG (1 << 17) +#define POWER_VDDACTRL_DISABLE_FET (1 << 16) +#define POWER_VDDACTRL_LINREG_OFFSET_MASK (0x3 << 12) +#define POWER_VDDACTRL_LINREG_OFFSET_OFFSET 12 +#define POWER_VDDACTRL_LINREG_OFFSET_0STEPS (0x0 << 12) +#define POWER_VDDACTRL_LINREG_OFFSET_1STEPS_ABOVE (0x1 << 12) +#define POWER_VDDACTRL_LINREG_OFFSET_1STEPS_BELOW (0x2 << 12) +#define POWER_VDDACTRL_LINREG_OFFSET_2STEPS_BELOW (0x3 << 12) +#define POWER_VDDACTRL_BO_OFFSET_MASK (0x7 << 8) +#define POWER_VDDACTRL_BO_OFFSET_OFFSET 8 +#define POWER_VDDACTRL_TRG_MASK 0x1f +#define POWER_VDDACTRL_TRG_OFFSET 0 + +#define POWER_VDDIOCTRL_ADJTN_MASK (0xf << 20) +#define POWER_VDDIOCTRL_ADJTN_OFFSET 20 +#define POWER_VDDIOCTRL_PWDN_BRNOUT (1 << 18) +#define POWER_VDDIOCTRL_DISABLE_STEPPING (1 << 17) +#define POWER_VDDIOCTRL_DISABLE_FET (1 << 16) +#define POWER_VDDIOCTRL_LINREG_OFFSET_MASK (0x3 << 12) +#define POWER_VDDIOCTRL_LINREG_OFFSET_OFFSET 12 +#define POWER_VDDIOCTRL_LINREG_OFFSET_0STEPS (0x0 << 12) +#define POWER_VDDIOCTRL_LINREG_OFFSET_1STEPS_ABOVE (0x1 << 12) +#define POWER_VDDIOCTRL_LINREG_OFFSET_1STEPS_BELOW (0x2 << 12) +#define POWER_VDDIOCTRL_LINREG_OFFSET_2STEPS_BELOW (0x3 << 12) +#define POWER_VDDIOCTRL_BO_OFFSET_MASK (0x7 << 8) +#define POWER_VDDIOCTRL_BO_OFFSET_OFFSET 8 +#define POWER_VDDIOCTRL_TRG_MASK 0x1f +#define POWER_VDDIOCTRL_TRG_OFFSET 0 + +#define POWER_VDDMEMCTRL_PULLDOWN_ACTIVE (1 << 10) +#define POWER_VDDMEMCTRL_ENABLE_ILIMIT (1 << 9) +#define POWER_VDDMEMCTRL_ENABLE_LINREG (1 << 8) +#define MX28_POWER_VDDMEMCTRL_BO_OFFSET_MASK (0x7 << 5) +#define MX28_POWER_VDDMEMCTRL_BO_OFFSET_OFFSET 5 +#define POWER_VDDMEMCTRL_TRG_MASK 0x1f +#define POWER_VDDMEMCTRL_TRG_OFFSET 0 + +#define POWER_DCDC4P2_DROPOUT_CTRL_MASK (0xf << 28) +#define POWER_DCDC4P2_DROPOUT_CTRL_OFFSET 28 +#define POWER_DCDC4P2_DROPOUT_CTRL_200MV (0x3 << 30) +#define POWER_DCDC4P2_DROPOUT_CTRL_100MV (0x2 << 30) +#define POWER_DCDC4P2_DROPOUT_CTRL_50MV (0x1 << 30) +#define POWER_DCDC4P2_DROPOUT_CTRL_25MV (0x0 << 30) +#define POWER_DCDC4P2_DROPOUT_CTRL_SRC_4P2 (0x0 << 28) +#define POWER_DCDC4P2_DROPOUT_CTRL_SRC_4P2_LT_BATT (0x1 << 28) +#define POWER_DCDC4P2_DROPOUT_CTRL_SRC_SEL (0x2 << 28) +#define POWER_DCDC4P2_ISTEAL_THRESH_MASK (0x3 << 24) +#define POWER_DCDC4P2_ISTEAL_THRESH_OFFSET 24 +#define POWER_DCDC4P2_ENABLE_4P2 (1 << 23) +#define POWER_DCDC4P2_ENABLE_DCDC (1 << 22) +#define POWER_DCDC4P2_HYST_DIR (1 << 21) +#define POWER_DCDC4P2_HYST_THRESH (1 << 20) +#define POWER_DCDC4P2_TRG_MASK (0x7 << 16) +#define POWER_DCDC4P2_TRG_OFFSET 16 +#define POWER_DCDC4P2_TRG_4V2 (0x0 << 16) +#define POWER_DCDC4P2_TRG_4V1 (0x1 << 16) +#define POWER_DCDC4P2_TRG_4V0 (0x2 << 16) +#define POWER_DCDC4P2_TRG_3V9 (0x3 << 16) +#define POWER_DCDC4P2_TRG_BATT (0x4 << 16) +#define POWER_DCDC4P2_BO_MASK (0x1f << 8) +#define POWER_DCDC4P2_BO_OFFSET 8 +#define POWER_DCDC4P2_CMPTRIP_MASK 0x1f +#define POWER_DCDC4P2_CMPTRIP_OFFSET 0 + +#define POWER_MISC_FREQSEL_MASK (0x7 << 4) +#define POWER_MISC_FREQSEL_OFFSET 4 +#define POWER_MISC_FREQSEL_20MHZ (0x1 << 4) +#define POWER_MISC_FREQSEL_24MHZ (0x2 << 4) +#define POWER_MISC_FREQSEL_19MHZ (0x3 << 4) +#define POWER_MISC_FREQSEL_14MHZ (0x4 << 4) +#define POWER_MISC_FREQSEL_18MHZ (0x5 << 4) +#define POWER_MISC_FREQSEL_21MHZ (0x6 << 4) +#define POWER_MISC_FREQSEL_17MHZ (0x7 << 4) +#define POWER_MISC_DISABLE_FET_BO_LOGIC (1 << 3) +#define POWER_MISC_DELAY_TIMING (1 << 2) +#define POWER_MISC_TEST (1 << 1) +#define POWER_MISC_SEL_PLLCLK (1 << 0) + +#define POWER_DCLIMITS_POSLIMIT_BUCK_MASK (0x7f << 8) +#define POWER_DCLIMITS_POSLIMIT_BUCK_OFFSET 8 +#define POWER_DCLIMITS_NEGLIMIT_MASK 0x7f +#define POWER_DCLIMITS_NEGLIMIT_OFFSET 0 + +#define POWER_LOOPCTRL_TOGGLE_DIF (1 << 20) +#define POWER_LOOPCTRL_HYST_SIGN (1 << 19) +#define POWER_LOOPCTRL_EN_CM_HYST (1 << 18) +#define POWER_LOOPCTRL_EN_DF_HYST (1 << 17) +#define POWER_LOOPCTRL_CM_HYST_THRESH (1 << 16) +#define POWER_LOOPCTRL_DF_HYST_THRESH (1 << 15) +#define POWER_LOOPCTRL_RCSCALE_THRESH (1 << 14) +#define POWER_LOOPCTRL_EN_RCSCALE_MASK (0x3 << 12) +#define POWER_LOOPCTRL_EN_RCSCALE_OFFSET 12 +#define POWER_LOOPCTRL_EN_RCSCALE_DIS (0x0 << 12) +#define POWER_LOOPCTRL_EN_RCSCALE_2X (0x1 << 12) +#define POWER_LOOPCTRL_EN_RCSCALE_4X (0x2 << 12) +#define POWER_LOOPCTRL_EN_RCSCALE_8X (0x3 << 12) +#define POWER_LOOPCTRL_DC_FF_MASK (0x7 << 8) +#define POWER_LOOPCTRL_DC_FF_OFFSET 8 +#define POWER_LOOPCTRL_DC_R_MASK (0xf << 4) +#define POWER_LOOPCTRL_DC_R_OFFSET 4 +#define POWER_LOOPCTRL_DC_C_MASK 0x3 +#define POWER_LOOPCTRL_DC_C_OFFSET 0 +#define POWER_LOOPCTRL_DC_C_MAX 0x0 +#define POWER_LOOPCTRL_DC_C_2X 0x1 +#define POWER_LOOPCTRL_DC_C_4X 0x2 +#define POWER_LOOPCTRL_DC_C_MIN 0x3 + +#define POWER_STS_PWRUP_SOURCE_MASK (0x3f << 24) +#define POWER_STS_PWRUP_SOURCE_OFFSET 24 +#define POWER_STS_PWRUP_SOURCE_5V (0x20 << 24) +#define POWER_STS_PWRUP_SOURCE_RTC (0x10 << 24) +#define POWER_STS_PWRUP_SOURCE_PSWITCH_HIGH (0x02 << 24) +#define POWER_STS_PWRUP_SOURCE_PSWITCH_MID (0x01 << 24) +#define POWER_STS_PSWITCH_MASK (0x3 << 20) +#define POWER_STS_PSWITCH_OFFSET 20 +#define MX28_POWER_STS_THERMAL_WARNING (1 << 19) +#define MX28_POWER_STS_VDDMEM_BO (1 << 18) +#define POWER_STS_AVALID0_STATUS (1 << 17) +#define POWER_STS_BVALID0_STATUS (1 << 16) +#define POWER_STS_VBUSVALID0_STATUS (1 << 15) +#define POWER_STS_SESSEND0_STATUS (1 << 14) +#define POWER_STS_BATT_BO (1 << 13) +#define POWER_STS_VDD5V_FAULT (1 << 12) +#define POWER_STS_CHRGSTS (1 << 11) +#define POWER_STS_DCDC_4P2_BO (1 << 10) +#define POWER_STS_DC_OK (1 << 9) +#define POWER_STS_VDDIO_BO (1 << 8) +#define POWER_STS_VDDA_BO (1 << 7) +#define POWER_STS_VDDD_BO (1 << 6) +#define POWER_STS_VDD5V_GT_VDDIO (1 << 5) +#define POWER_STS_VDD5V_DROOP (1 << 4) +#define POWER_STS_AVALID0 (1 << 3) +#define POWER_STS_BVALID0 (1 << 2) +#define POWER_STS_VBUSVALID0 (1 << 1) +#define POWER_STS_SESSEND0 (1 << 0) + +#define MX23_POWER_SPEED_STATUS_MASK (0xff << 16) +#define MX23_POWER_SPEED_STATUS_OFFSET 16 +#define MX28_POWER_SPEED_STATUS_MASK (0xffff << 8) +#define MX28_POWER_SPEED_STATUS_OFFSET 8 +#define MX28_POWER_SPEED_STATUS_SEL_MASK (0x3 << 6) +#define MX28_POWER_SPEED_STATUS_SEL_OFFSET 6 +#define MX28_POWER_SPEED_STATUS_SEL_DCDC_STAT (0x0 << 6) +#define MX28_POWER_SPEED_STATUS_SEL_CORE_STAT (0x1 << 6) +#define MX28_POWER_SPEED_STATUS_SEL_ARM_STAT (0x2 << 6) +#define POWER_SPEED_CTRL_MASK 0x3 +#define POWER_SPEED_CTRL_OFFSET 0 +#define POWER_SPEED_CTRL_SS_OFF 0x0 +#define POWER_SPEED_CTRL_SS_ON 0x1 +#define POWER_SPEED_CTRL_SS_ENABLE 0x3 + +#define POWER_BATTMONITOR_BATT_VAL_MASK (0x3ff << 16) +#define POWER_BATTMONITOR_BATT_VAL_OFFSET 16 +#define MX28_POWER_BATTMONITOR_PWDN_BATTBRNOUT_5VDETECT_EN (1 << 11) +#define POWER_BATTMONITOR_EN_BATADJ (1 << 10) +#define POWER_BATTMONITOR_PWDN_BATTBRNOUT (1 << 9) +#define POWER_BATTMONITOR_BRWNOUT_PWD (1 << 8) +#define POWER_BATTMONITOR_BRWNOUT_LVL_MASK 0x1f +#define POWER_BATTMONITOR_BRWNOUT_LVL_OFFSET 0 + +#define POWER_RESET_UNLOCK_MASK (0xffff << 16) +#define POWER_RESET_UNLOCK_OFFSET 16 +#define POWER_RESET_UNLOCK_KEY (0x3e77 << 16) +#define MX28_POWER_RESET_FASTFALL_PSWITCH_OFF (1 << 2) +#define POWER_RESET_PWD_OFF (1 << 1) +#define POWER_RESET_PWD (1 << 0) + +#define POWER_DEBUG_VBUSVALIDPIOLOCK (1 << 3) +#define POWER_DEBUG_AVALIDPIOLOCK (1 << 2) +#define POWER_DEBUG_BVALIDPIOLOCK (1 << 1) +#define POWER_DEBUG_SESSENDPIOLOCK (1 << 0) + +#define MX28_POWER_THERMAL_TEST (1 << 8) +#define MX28_POWER_THERMAL_PWD (1 << 7) +#define MX28_POWER_THERMAL_LOW_POWER (1 << 6) +#define MX28_POWER_THERMAL_OFFSET_ADJ_MASK (0x3 << 4) +#define MX28_POWER_THERMAL_OFFSET_ADJ_OFFSET 4 +#define MX28_POWER_THERMAL_OFFSET_ADJ_ENABLE (1 << 3) +#define MX28_POWER_THERMAL_TEMP_THRESHOLD_MASK 0x7 +#define MX28_POWER_THERMAL_TEMP_THRESHOLD_OFFSET 0 + +#define MX28_POWER_USB1CTRL_AVALID1 (1 << 3) +#define MX28_POWER_USB1CTRL_BVALID1 (1 << 2) +#define MX28_POWER_USB1CTRL_VBUSVALID1 (1 << 1) +#define MX28_POWER_USB1CTRL_SESSEND1 (1 << 0) + +#define POWER_SPECIAL_TEST_MASK 0xffffffff +#define POWER_SPECIAL_TEST_OFFSET 0 + +#define POWER_VERSION_MAJOR_MASK (0xff << 24) +#define POWER_VERSION_MAJOR_OFFSET 24 +#define POWER_VERSION_MINOR_MASK (0xff << 16) +#define POWER_VERSION_MINOR_OFFSET 16 +#define POWER_VERSION_STEP_MASK 0xffff +#define POWER_VERSION_STEP_OFFSET 0 + +#define MX28_POWER_ANACLKCTRL_CLKGATE_0 (1 << 31) +#define MX28_POWER_ANACLKCTRL_OUTDIV_MASK (0x7 << 28) +#define MX28_POWER_ANACLKCTRL_OUTDIV_OFFSET 28 +#define MX28_POWER_ANACLKCTRL_INVERT_OUTCLK (1 << 27) +#define MX28_POWER_ANACLKCTRL_CLKGATE_I (1 << 26) +#define MX28_POWER_ANACLKCTRL_DITHER_OFF (1 << 10) +#define MX28_POWER_ANACLKCTRL_SLOW_DITHER (1 << 9) +#define MX28_POWER_ANACLKCTRL_INVERT_INCLK (1 << 8) +#define MX28_POWER_ANACLKCTRL_INCLK_SHIFT_MASK (0x3 << 4) +#define MX28_POWER_ANACLKCTRL_INCLK_SHIFT_OFFSET 4 +#define MX28_POWER_ANACLKCTRL_INDIV_MASK 0x7 +#define MX28_POWER_ANACLKCTRL_INDIV_OFFSET 0 + +#define MX28_POWER_REFCTRL_FASTSETTLING (1 << 26) +#define MX28_POWER_REFCTRL_RAISE_REF (1 << 25) +#define MX28_POWER_REFCTRL_XTAL_BGR_BIAS (1 << 24) +#define MX28_POWER_REFCTRL_VBG_ADJ_MASK (0x7 << 20) +#define MX28_POWER_REFCTRL_VBG_ADJ_OFFSET 20 +#define MX28_POWER_REFCTRL_LOW_PWR (1 << 19) +#define MX28_POWER_REFCTRL_BIAS_CTRL_MASK (0x3 << 16) +#define MX28_POWER_REFCTRL_BIAS_CTRL_OFFSET 16 +#define MX28_POWER_REFCTRL_VDDXTAL_TO_VDDD (1 << 14) +#define MX28_POWER_REFCTRL_ADJ_ANA (1 << 13) +#define MX28_POWER_REFCTRL_ADJ_VAG (1 << 12) +#define MX28_POWER_REFCTRL_ANA_REFVAL_MASK (0xf << 8) +#define MX28_POWER_REFCTRL_ANA_REFVAL_OFFSET 8 +#define MX28_POWER_REFCTRL_VAG_VAL_MASK (0xf << 4) +#define MX28_POWER_REFCTRL_VAG_VAL_OFFSET 4 + +#endif /* __MX28_REGS_POWER_H__ */ diff --git a/arch/arm/mach-mxs/include/mach/regs-rtc.h b/arch/arm/mach-mxs/include/mach/regs-rtc.h new file mode 100644 index 0000000000..bd8fdad4f7 --- /dev/null +++ b/arch/arm/mach-mxs/include/mach/regs-rtc.h @@ -0,0 +1,134 @@ +/* + * Freescale i.MX28 RTC Register Definitions + * + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * on behalf of DENX Software Engineering GmbH + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __MX28_REGS_RTC_H__ +#define __MX28_REGS_RTC_H__ + +#include <mach/regs-common.h> + +#ifndef __ASSEMBLY__ +struct mxs_rtc_regs { + mxs_reg_32(hw_rtc_ctrl) + mxs_reg_32(hw_rtc_stat) + mxs_reg_32(hw_rtc_milliseconds) + mxs_reg_32(hw_rtc_seconds) + mxs_reg_32(hw_rtc_rtc_alarm) + mxs_reg_32(hw_rtc_watchdog) + mxs_reg_32(hw_rtc_persistent0) + mxs_reg_32(hw_rtc_persistent1) + mxs_reg_32(hw_rtc_persistent2) + mxs_reg_32(hw_rtc_persistent3) + mxs_reg_32(hw_rtc_persistent4) + mxs_reg_32(hw_rtc_persistent5) + mxs_reg_32(hw_rtc_debug) + mxs_reg_32(hw_rtc_version) +}; +#endif + +#define RTC_CTRL_SFTRST (1 << 31) +#define RTC_CTRL_CLKGATE (1 << 30) +#define RTC_CTRL_SUPPRESS_COPY2ANALOG (1 << 6) +#define RTC_CTRL_FORCE_UPDATE (1 << 5) +#define RTC_CTRL_WATCHDOGEN (1 << 4) +#define RTC_CTRL_ONEMSEC_IRQ (1 << 3) +#define RTC_CTRL_ALARM_IRQ (1 << 2) +#define RTC_CTRL_ONEMSEC_IRQ_EN (1 << 1) +#define RTC_CTRL_ALARM_IRQ_EN (1 << 0) + +#define RTC_STAT_RTC_PRESENT (1 << 31) +#define RTC_STAT_ALARM_PRESENT (1 << 30) +#define RTC_STAT_WATCHDOG_PRESENT (1 << 29) +#define RTC_STAT_XTAL32000_PRESENT (1 << 28) +#define RTC_STAT_XTAL32768_PRESENT (1 << 27) +#define RTC_STAT_STALE_REGS_MASK (0xff << 16) +#define RTC_STAT_STALE_REGS_OFFSET 16 +#define RTC_STAT_NEW_REGS_MASK (0xff << 8) +#define RTC_STAT_NEW_REGS_OFFSET 8 + +#define RTC_MILLISECONDS_COUNT_MASK 0xffffffff +#define RTC_MILLISECONDS_COUNT_OFFSET 0 + +#define RTC_SECONDS_COUNT_MASK 0xffffffff +#define RTC_SECONDS_COUNT_OFFSET 0 + +#define RTC_ALARM_VALUE_MASK 0xffffffff +#define RTC_ALARM_VALUE_OFFSET 0 + +#define RTC_WATCHDOG_COUNT_MASK 0xffffffff +#define RTC_WATCHDOG_COUNT_OFFSET 0 + +#define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_MASK (0xf << 28) +#define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_OFFSET 28 +#define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V83 (0x0 << 28) +#define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V78 (0x1 << 28) +#define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V73 (0x2 << 28) +#define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V68 (0x3 << 28) +#define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V62 (0x4 << 28) +#define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V57 (0x5 << 28) +#define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V52 (0x6 << 28) +#define RTC_PERSISTENT0_ADJ_POSLIMITBUCK_2V48 (0x7 << 28) +#define RTC_PERSISTENT0_EXTERNAL_RESET (1 << 21) +#define RTC_PERSISTENT0_THERMAL_RESET (1 << 20) +#define RTC_PERSISTENT0_ENABLE_LRADC_PWRUP (1 << 18) +#define RTC_PERSISTENT0_AUTO_RESTART (1 << 17) +#define RTC_PERSISTENT0_DISABLE_PSWITCH (1 << 16) +#define RTC_PERSISTENT0_LOWERBIAS_MASK (0xf << 14) +#define RTC_PERSISTENT0_LOWERBIAS_OFFSET 14 +#define RTC_PERSISTENT0_LOWERBIAS_NOMINAL (0x0 << 14) +#define RTC_PERSISTENT0_LOWERBIAS_M25P (0x1 << 14) +#define RTC_PERSISTENT0_LOWERBIAS_M50P (0x3 << 14) +#define RTC_PERSISTENT0_DISABLE_XTALOK (1 << 13) +#define RTC_PERSISTENT0_MSEC_RES_MASK (0x1f << 8) +#define RTC_PERSISTENT0_MSEC_RES_OFFSET 8 +#define RTC_PERSISTENT0_MSEC_RES_1MS (0x01 << 8) +#define RTC_PERSISTENT0_MSEC_RES_2MS (0x02 << 8) +#define RTC_PERSISTENT0_MSEC_RES_4MS (0x04 << 8) +#define RTC_PERSISTENT0_MSEC_RES_8MS (0x08 << 8) +#define RTC_PERSISTENT0_MSEC_RES_16MS (0x10 << 8) +#define RTC_PERSISTENT0_ALARM_WAKE (1 << 7) +#define RTC_PERSISTENT0_XTAL32_FREQ (1 << 6) +#define RTC_PERSISTENT0_XTAL32KHZ_PWRUP (1 << 5) +#define RTC_PERSISTENT0_XTAL24KHZ_PWRUP (1 << 4) +#define RTC_PERSISTENT0_LCK_SECS (1 << 3) +#define RTC_PERSISTENT0_ALARM_EN (1 << 2) +#define RTC_PERSISTENT0_ALARM_WAKE_EN (1 << 1) +#define RTC_PERSISTENT0_CLOCKSOURCE (1 << 0) + +#define RTC_PERSISTENT1_GENERAL_MASK 0xffffffff +#define RTC_PERSISTENT1_GENERAL_OFFSET 0 +#define RTC_PERSISTENT1_GENERAL_OTG_ALT_ROLE 0x0080 +#define RTC_PERSISTENT1_GENERAL_OTG_HNP 0x0100 +#define RTC_PERSISTENT1_GENERAL_USB_LPM 0x0200 +#define RTC_PERSISTENT1_GENERAL_SKIP_CHECKDISK 0x0400 +#define RTC_PERSISTENT1_GENERAL_USB_BOOT_PLAYER 0x0800 +#define RTC_PERSISTENT1_GENERAL_ENUM_500MA_2X 0x1000 + +#define RTC_PERSISTENT2_GENERAL_MASK 0xffffffff +#define RTC_PERSISTENT2_GENERAL_OFFSET 0 + +#define RTC_PERSISTENT3_GENERAL_MASK 0xffffffff +#define RTC_PERSISTENT3_GENERAL_OFFSET 0 + +#define RTC_PERSISTENT4_GENERAL_MASK 0xffffffff +#define RTC_PERSISTENT4_GENERAL_OFFSET 0 + +#define RTC_PERSISTENT5_GENERAL_MASK 0xffffffff +#define RTC_PERSISTENT5_GENERAL_OFFSET 0 + +#define RTC_DEBUG_WATCHDOG_RESET_MASK (1 << 1) +#define RTC_DEBUG_WATCHDOG_RESET (1 << 0) + +#define RTC_VERSION_MAJOR_MASK (0xff << 24) +#define RTC_VERSION_MAJOR_OFFSET 24 +#define RTC_VERSION_MINOR_MASK (0xff << 16) +#define RTC_VERSION_MINOR_OFFSET 16 +#define RTC_VERSION_STEP_MASK 0xffff +#define RTC_VERSION_STEP_OFFSET 0 + +#endif /* __MX28_REGS_RTC_H__ */ diff --git a/arch/arm/mach-mxs/lradc-init.c b/arch/arm/mach-mxs/lradc-init.c new file mode 100644 index 0000000000..682a47530d --- /dev/null +++ b/arch/arm/mach-mxs/lradc-init.c @@ -0,0 +1,70 @@ +/* + * Freescale i.MX28 Battery measurement init + * + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * on behalf of DENX Software Engineering GmbH + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <config.h> +#include <asm/io.h> +#include <mach/imx-regs.h> +#include <mach/regs-lradc.h> +#include <mach/init.h> + +void mxs_lradc_init(void) +{ + struct mxs_lradc_regs *regs = (struct mxs_lradc_regs *)IMX_LRADC_BASE; + + writel(LRADC_CTRL0_SFTRST, ®s->hw_lradc_ctrl0_clr); + writel(LRADC_CTRL0_CLKGATE, ®s->hw_lradc_ctrl0_clr); + writel(LRADC_CTRL0_ONCHIP_GROUNDREF, ®s->hw_lradc_ctrl0_clr); + + clrsetbits_le32(®s->hw_lradc_ctrl3, + LRADC_CTRL3_CYCLE_TIME_MASK, + LRADC_CTRL3_CYCLE_TIME_6MHZ); + + clrsetbits_le32(®s->hw_lradc_ctrl4, + LRADC_CTRL4_LRADC7SELECT_MASK | + LRADC_CTRL4_LRADC6SELECT_MASK, + LRADC_CTRL4_LRADC7SELECT_CHANNEL7 | + LRADC_CTRL4_LRADC6SELECT_CHANNEL10); +} + +void mxs_lradc_enable_batt_measurement(void) +{ + struct mxs_lradc_regs *regs = (struct mxs_lradc_regs *)IMX_LRADC_BASE; + + /* Check if the channel is present at all. */ + if (!(readl(®s->hw_lradc_status) & LRADC_STATUS_CHANNEL7_PRESENT)) + return; + + writel(LRADC_CTRL1_LRADC7_IRQ_EN, ®s->hw_lradc_ctrl1_clr); + writel(LRADC_CTRL1_LRADC7_IRQ, ®s->hw_lradc_ctrl1_clr); + + clrsetbits_le32(®s->hw_lradc_conversion, + LRADC_CONVERSION_SCALE_FACTOR_MASK, + LRADC_CONVERSION_SCALE_FACTOR_LI_ION); + writel(LRADC_CONVERSION_AUTOMATIC, ®s->hw_lradc_conversion_set); + + /* Configure the channel. */ + writel((1 << 7) << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET, + ®s->hw_lradc_ctrl2_clr); + writel(0xffffffff, ®s->hw_lradc_ch7_clr); + clrbits_le32(®s->hw_lradc_ch7, LRADC_CH_NUM_SAMPLES_MASK); + writel(LRADC_CH_ACCUMULATE, ®s->hw_lradc_ch7_clr); + + /* Schedule the channel. */ + writel(1 << 7, ®s->hw_lradc_ctrl0_set); + + /* Start the channel sampling. */ + writel(((1 << 7) << LRADC_DELAY_TRIGGER_LRADCS_OFFSET) | + ((1 << 3) << LRADC_DELAY_TRIGGER_DELAYS_OFFSET) | + 100, ®s->hw_lradc_delay3); + + writel(0xffffffff, ®s->hw_lradc_ch7_clr); + + writel(LRADC_DELAY_KICK, ®s->hw_lradc_delay3_set); +} diff --git a/arch/arm/mach-mxs/mem-init.c b/arch/arm/mach-mxs/mem-init.c new file mode 100644 index 0000000000..9773f94903 --- /dev/null +++ b/arch/arm/mach-mxs/mem-init.c @@ -0,0 +1,371 @@ +/* + * Freescale i.MX28 RAM init + * + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * on behalf of DENX Software Engineering GmbH + * + * Copyright 2013 Stefan Roese <sr@denx.de> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <config.h> +#include <io.h> +#include <mach/imx-regs.h> +#include <linux/compiler.h> + +#include <mach/init.h> +#include <mach/regs-power-mx28.h> +#if defined CONFIG_ARCH_IMX23 +# include <mach/regs-clkctrl-mx23.h> +#endif +#if defined CONFIG_ARCH_IMX28 +# include <mach/regs-clkctrl-mx28.h> +#endif + +/* 1 second delay should be plenty of time for block reset. */ +#define RESET_MAX_TIMEOUT 1000000 + +#define MXS_BLOCK_SFTRST (1 << 31) +#define MXS_BLOCK_CLKGATE (1 << 30) + +int mxs_early_wait_mask_set(struct mxs_register_32 *reg, uint32_t mask, unsigned + int timeout) +{ + while (--timeout) { + if ((readl(®->reg) & mask) == mask) + break; + mxs_early_delay(1); + } + + return !timeout; +} + +int mxs_early_wait_mask_clr(struct mxs_register_32 *reg, uint32_t mask, unsigned + int timeout) +{ + while (--timeout) { + if ((readl(®->reg) & mask) == 0) + break; + mxs_early_delay(1); + } + + return !timeout; +} + +int mxs_early_reset_block(struct mxs_register_32 *reg) +{ + /* Clear SFTRST */ + writel(MXS_BLOCK_SFTRST, ®->reg_clr); + + if (mxs_early_wait_mask_clr(reg, MXS_BLOCK_SFTRST, RESET_MAX_TIMEOUT)) + return 1; + + /* Clear CLKGATE */ + writel(MXS_BLOCK_CLKGATE, ®->reg_clr); + + /* Set SFTRST */ + writel(MXS_BLOCK_SFTRST, ®->reg_set); + + /* Wait for CLKGATE being set */ + if (mxs_early_wait_mask_set(reg, MXS_BLOCK_CLKGATE, RESET_MAX_TIMEOUT)) + return 1; + + /* Clear SFTRST */ + writel(MXS_BLOCK_SFTRST, ®->reg_clr); + + if (mxs_early_wait_mask_clr(reg, MXS_BLOCK_SFTRST, RESET_MAX_TIMEOUT)) + return 1; + + /* Clear CLKGATE */ + writel(MXS_BLOCK_CLKGATE, ®->reg_clr); + + if (mxs_early_wait_mask_clr(reg, MXS_BLOCK_CLKGATE, RESET_MAX_TIMEOUT)) + return 1; + + return 0; +} + +uint32_t mx28_dram_vals[] = { +/* + * i.MX28 DDR2 at 200MHz + */ + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000100, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00010101, 0x01010101, + 0x000f0f01, 0x0f02020a, 0x00000000, 0x00010101, + 0x00000100, 0x00000100, 0x00000000, 0x00000002, + 0x01010000, 0x07080403, 0x06005003, 0x0a0000c8, + 0x02009c40, 0x0002030c, 0x0036a609, 0x031a0612, + 0x02030202, 0x00c8001c, 0x00000000, 0x00000000, + 0x00012100, 0xffff0303, 0x00012100, 0xffff0303, + 0x00012100, 0xffff0303, 0x00012100, 0xffff0303, + 0x00000003, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000612, 0x01000F02, + 0x06120612, 0x00000200, 0x00020007, 0xf4004a27, + 0xf4004a27, 0xf4004a27, 0xf4004a27, 0x07000300, + 0x07000300, 0x07400300, 0x07400300, 0x00000005, + 0x00000000, 0x00000000, 0x01000000, 0x01020408, + 0x08040201, 0x000f1133, 0x00000000, 0x00001f04, + 0x00001f04, 0x00001f04, 0x00001f04, 0x00001f04, + 0x00001f04, 0x00001f04, 0x00001f04, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00010000, 0x00030404, + 0x00000003, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x00000000, 0x00000000, 0x01010000, + 0x01000000, 0x03030000, 0x00010303, 0x01020202, + 0x00000000, 0x02040303, 0x21002103, 0x00061200, + 0x06120612, 0x04420442, 0x04420442, 0x00040004, + 0x00040004, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0xffffffff +}; + +/* + * i.MX23 DDR at 133MHz + */ +uint32_t mx23_dram_vals[] = { + 0x01010001, 0x00010100, 0x01000101, 0x00000001, + 0x00000101, 0x00000000, 0x00010000, 0x01000001, + 0x00000000, 0x00000001, 0x07000200, 0x00070202, + 0x02020000, 0x04040a01, 0x00000201, 0x02040000, + 0x02000000, 0x19000f08, 0x0d0d0000, 0x02021313, + 0x02061521, 0x0000000a, 0x00080008, 0x00200020, + 0x00200020, 0x00200020, 0x000003f7, 0x00000000, + 0x00000000, 0x00000020, 0x00000020, 0x00c80000, + 0x000a23cd, 0x000000c8, 0x00006665, 0x00000000, + 0x00000101, 0x00040001, 0x00000000, 0x00000000, + 0x00010000 +}; + +static void mx28_initialize_dram_values(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(mx28_dram_vals); i++) + writel(mx28_dram_vals[i], IMX_SDRAMC_BASE + (4 * i)); +} + +static void mx23_initialize_dram_values(void) +{ + int i; + + /* + * HW_DRAM_CTL27, HW_DRAM_CTL28 and HW_DRAM_CTL35 are not initialized as + * per FSL bootlets code. + * + * mx23 Reference Manual marks HW_DRAM_CTL27 and HW_DRAM_CTL28 as + * "reserved". + * HW_DRAM_CTL8 is setup as the last element. + * So skip the initialization of these HW_DRAM_CTL registers. + */ + for (i = 0; i < ARRAY_SIZE(mx23_dram_vals); i++) { + if (i == 8 || i == 27 || i == 28 || i == 35) + continue; + writel(mx23_dram_vals[i], IMX_SDRAMC_BASE + (4 * i)); + } + + /* + * Enable tRAS lockout in HW_DRAM_CTL08 ; it must be the last + * element to be set + */ + writel((1 << 24), IMX_SDRAMC_BASE + (4 * 8)); +} + +void mxs_mem_init_clock(unsigned char divider) +{ + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)IMX_CCM_BASE; + + /* Gate EMI clock */ + writeb(CLKCTRL_FRAC_CLKGATE, + &clkctrl_regs->hw_clkctrl_frac0_set[CLKCTRL_FRAC0_EMI]); + + /* Set fractional divider for ref_emi */ + writeb(CLKCTRL_FRAC_CLKGATE | (divider & CLKCTRL_FRAC_FRAC_MASK), + &clkctrl_regs->hw_clkctrl_frac0[CLKCTRL_FRAC0_EMI]); + + /* Ungate EMI clock */ + writeb(CLKCTRL_FRAC_CLKGATE, + &clkctrl_regs->hw_clkctrl_frac0_clr[CLKCTRL_FRAC0_EMI]); + + mxs_early_delay(11000); + + /* Set EMI clock divider for EMI clock to 411 / 2 = 205MHz */ + writel((2 << CLKCTRL_EMI_DIV_EMI_OFFSET) | + (1 << CLKCTRL_EMI_DIV_XTAL_OFFSET), + &clkctrl_regs->hw_clkctrl_emi); + + /* Unbypass EMI */ + writel(CLKCTRL_CLKSEQ_BYPASS_EMI, + &clkctrl_regs->hw_clkctrl_clkseq_clr); + + mxs_early_delay(10000); +} + +void mxs_mem_setup_cpu_and_hbus(void) +{ + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)IMX_CCM_BASE; + + /* Set fractional divider for ref_cpu to 480 * 18 / 19 = 454MHz + * and ungate CPU clock */ + writeb(19 & CLKCTRL_FRAC_FRAC_MASK, + (uint8_t *)&clkctrl_regs->hw_clkctrl_frac0[CLKCTRL_FRAC0_CPU]); + + /* Set CPU bypass */ + writel(CLKCTRL_CLKSEQ_BYPASS_CPU, + &clkctrl_regs->hw_clkctrl_clkseq_set); + + /* HBUS = 151MHz */ + writel(CLKCTRL_HBUS_DIV_MASK, &clkctrl_regs->hw_clkctrl_hbus_set); + writel(((~3) << CLKCTRL_HBUS_DIV_OFFSET) & CLKCTRL_HBUS_DIV_MASK, + &clkctrl_regs->hw_clkctrl_hbus_clr); + + mxs_early_delay(10000); + + /* CPU clock divider = 1 */ + clrsetbits_le32(&clkctrl_regs->hw_clkctrl_cpu, + CLKCTRL_CPU_DIV_CPU_MASK, 1); + + /* Disable CPU bypass */ + writel(CLKCTRL_CLKSEQ_BYPASS_CPU, + &clkctrl_regs->hw_clkctrl_clkseq_clr); + + mxs_early_delay(15000); +} + +void mxs_mem_setup_vdda(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + writel((0xc << POWER_VDDACTRL_TRG_OFFSET) | + (0x7 << POWER_VDDACTRL_BO_OFFSET_OFFSET) | + POWER_VDDACTRL_LINREG_OFFSET_1STEPS_BELOW, + &power_regs->hw_power_vddactrl); +} + +static void mx23_mem_setup_vddmem(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + /* We must wait before and after disabling the current limiter! */ + mxs_early_delay(10000); + + clrbits_le32(&power_regs->hw_power_vddmemctrl, + POWER_VDDMEMCTRL_ENABLE_ILIMIT); + + mxs_early_delay(10000); +} + +void mx23_mem_init(void) +{ + mxs_early_delay(11000); + + /* Fractional divider for ref_emi is 33 ; 480 * 18 / 33 = 266MHz */ + mxs_mem_init_clock(33); + + mxs_mem_setup_vdda(); + + /* + * Reset/ungate the EMI block. This is essential, otherwise the system + * suffers from memory instability. This thing is mx23 specific and is + * no longer present on mx28. + */ + mxs_early_reset_block((struct mxs_register_32 *)IMX_EMI_BASE); + + mx23_mem_setup_vddmem(); + + /* + * Configure the DRAM registers + */ + + /* Clear START and SREFRESH bit from DRAM_CTL8 */ + clrbits_le32(IMX_SDRAMC_BASE + 0x20, (1 << 16) | (1 << 8)); + + mx23_initialize_dram_values(); + + /* Set START bit in DRAM_CTL8 */ + setbits_le32(IMX_SDRAMC_BASE + 0x20, 1 << 16); + + clrbits_le32(IMX_SDRAMC_BASE + 0x40, 1 << 17); + + /* Wait for EMI_STAT bit DRAM_HALTED */ + for (;;) { + if (!(readl(IMX_EMI_BASE + 0x10) & (1 << 1))) + break; + mxs_early_delay(1000); + } + + /* Adjust EMI port priority. */ + clrsetbits_le32(0x80020000, 0x1f << 16, 0x2); + mxs_early_delay(20000); + + setbits_le32(IMX_SDRAMC_BASE + 0x40, 1 << 19); + setbits_le32(IMX_SDRAMC_BASE + 0x40, 1 << 11); + + mxs_early_delay(10000); + + mxs_mem_setup_cpu_and_hbus(); +} + +#define PINCTRL_EMI_DS_CTRL_DDR_MODE_DDR2 (0x3 << 16) + +void mx28_mem_init(void) +{ + mxs_early_delay(11000); + + /* Fractional divider for ref_emi is 21 ; 480 * 18 / 21 = 411MHz */ + mxs_mem_init_clock(21); + + mxs_mem_setup_vdda(); + + /* Set DDR2 mode */ + writel(PINCTRL_EMI_DS_CTRL_DDR_MODE_DDR2, + IMX_IOMUXC_BASE + 0x1b80); + + /* + * Configure the DRAM registers + */ + + /* Clear START bit from DRAM_CTL16 */ + clrbits_le32(IMX_SDRAMC_BASE + 0x40, 1); + + mx28_initialize_dram_values(); + + /* Clear SREFRESH bit from DRAM_CTL17 */ + clrbits_le32(IMX_SDRAMC_BASE + 0x44, 1); + + /* Set START bit in DRAM_CTL16 */ + setbits_le32(IMX_SDRAMC_BASE + 0x40, 1); + + /* Wait for bit 20 (DRAM init complete) in DRAM_CTL58 */ + while (!(readl(IMX_SDRAMC_BASE + 0xe8) & (1 << 20))) + ; + + mxs_early_delay(10000); + + mxs_mem_setup_cpu_and_hbus(); +} diff --git a/arch/arm/mach-mxs/mxs23img.cfg b/arch/arm/mach-mxs/mxs23img.cfg new file mode 100644 index 0000000000..34e88483f0 --- /dev/null +++ b/arch/arm/mach-mxs/mxs23img.cfg @@ -0,0 +1,6 @@ +SECTION 0x0 BOOTABLE + TAG LAST + LOAD 0x1000 @PREP@ + CALL 0x1000 0x0 + LOAD 0x40002000 @BOOTLOADER@ + CALL 0x40002000 0x0 diff --git a/arch/arm/mach-mxs/mxs28img.cfg b/arch/arm/mach-mxs/mxs28img.cfg new file mode 100644 index 0000000000..0ff2c35dd5 --- /dev/null +++ b/arch/arm/mach-mxs/mxs28img.cfg @@ -0,0 +1,8 @@ +SECTION 0x0 BOOTABLE + TAG LAST + LOAD 0x1000 @PREP@ + LOAD IVT 0x8000 0x1000 + CALL HAB 0x8000 0x0 + LOAD 0x40002000 @BOOTLOADER@ + LOAD IVT 0x8000 0x40002000 + CALL HAB 0x8000 0x0 diff --git a/arch/arm/mach-mxs/ocotp.c b/arch/arm/mach-mxs/ocotp.c index c7c24e0980..abdd445b5d 100644 --- a/arch/arm/mach-mxs/ocotp.c +++ b/arch/arm/mach-mxs/ocotp.c @@ -27,7 +27,6 @@ #include <mach/generic.h> #include <mach/ocotp.h> -#include <mach/imx-regs.h> #include <mach/power.h> #define DRIVERNAME "ocotp" diff --git a/arch/arm/mach-mxs/power-init.c b/arch/arm/mach-mxs/power-init.c new file mode 100644 index 0000000000..977c6e4e27 --- /dev/null +++ b/arch/arm/mach-mxs/power-init.c @@ -0,0 +1,1272 @@ +/* + * Freescale i.MX28 Boot PMIC init + * + * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com> + * on behalf of DENX Software Engineering GmbH + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <config.h> +#include <io.h> +#include <mach/imx-regs.h> + +#include <mach/generic.h> +#include <mach/init.h> +#ifdef CONFIG_ARCH_IMX23 +#include <mach/regs-clkctrl-mx23.h> +#endif +#ifdef CONFIG_ARCH_IMX28 +#include <mach/regs-clkctrl-mx28.h> +#endif +#include <mach/regs-power-mx28.h> +#include <mach/regs-rtc.h> +#include <mach/regs-lradc.h> + +/* + * This delay function is intended to be used only in early stage of boot, where + * clock are not set up yet. The timer used here is reset on every boot and + * takes a few seconds to roll. The boot doesn't take that long, so to keep the + * code simple, it doesn't take rolling into consideration. + */ +void mxs_early_delay(int delay) +{ + void __iomem *digctl_regs = IOMEM(IMX_DIGCTL_BASE); + uint32_t st = readl(digctl_regs + 0xc0); + + st += delay; + + while (st > readl(digctl_regs + 0xc0)); +} + +static inline void charger_4p2_disable(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + if (cpu_is_mx28()) + writel(MX28_POWER_5VCTRL_PWD_CHARGE_4P2_MASK, + &power_regs->hw_power_5vctrl_set); + else + writel(MX23_POWER_5VCTRL_PWD_CHARGE_4P2_MASK, + &power_regs->hw_power_5vctrl_set); +} + +static inline void charger_4p2_enable(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + if (cpu_is_mx28()) + writel(MX28_POWER_5VCTRL_PWD_CHARGE_4P2_MASK, + &power_regs->hw_power_5vctrl_clr); + else + writel(MX23_POWER_5VCTRL_PWD_CHARGE_4P2_MASK, + &power_regs->hw_power_5vctrl_clr); +} + +/** + * mxs_power_clock2xtal() - Switch CPU core clock source to 24MHz XTAL + * + * This function switches the CPU core clock from PLL to 24MHz XTAL + * oscilator. This is necessary if the PLL is being reconfigured to + * prevent crash of the CPU core. + */ +static void mxs_power_clock2xtal(void) +{ + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)IMX_CCM_BASE; + + /* Set XTAL as CPU reference clock */ + writel(CLKCTRL_CLKSEQ_BYPASS_CPU, + &clkctrl_regs->hw_clkctrl_clkseq_set); +} + +/** + * mxs_power_clock2pll() - Switch CPU core clock source to PLL + * + * This function switches the CPU core clock from 24MHz XTAL oscilator + * to PLL. This can only be called once the PLL has re-locked and once + * the PLL is stable after reconfiguration. + */ +static void mxs_power_clock2pll(void) +{ + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)IMX_CCM_BASE; + + setbits_le32(&clkctrl_regs->hw_clkctrl_pll0ctrl0, + CLKCTRL_PLL0CTRL0_POWER); + mxs_early_delay(100); + setbits_le32(&clkctrl_regs->hw_clkctrl_clkseq, + CLKCTRL_CLKSEQ_BYPASS_CPU); +} + +/** + * mxs_power_set_auto_restart() - Set the auto-restart bit + * + * This function ungates the RTC block and sets the AUTO_RESTART + * bit to work around a design bug on MX28EVK Rev. A . + */ + +static void mxs_power_set_auto_restart(void) +{ + struct mxs_rtc_regs *rtc_regs = + (struct mxs_rtc_regs *)IMX_WDT_BASE; + + writel(RTC_CTRL_SFTRST, &rtc_regs->hw_rtc_ctrl_clr); + while (readl(&rtc_regs->hw_rtc_ctrl) & RTC_CTRL_SFTRST) + ; + + writel(RTC_CTRL_CLKGATE, &rtc_regs->hw_rtc_ctrl_clr); + while (readl(&rtc_regs->hw_rtc_ctrl) & RTC_CTRL_CLKGATE) + ; + + /* Do nothing if flag already set */ + if (readl(&rtc_regs->hw_rtc_persistent0) & RTC_PERSISTENT0_AUTO_RESTART) + return; + + while (readl(&rtc_regs->hw_rtc_stat) & RTC_STAT_NEW_REGS_MASK) + ; + + setbits_le32(&rtc_regs->hw_rtc_persistent0, + RTC_PERSISTENT0_AUTO_RESTART); + writel(RTC_CTRL_FORCE_UPDATE, &rtc_regs->hw_rtc_ctrl_set); + writel(RTC_CTRL_FORCE_UPDATE, &rtc_regs->hw_rtc_ctrl_clr); + while (readl(&rtc_regs->hw_rtc_stat) & RTC_STAT_NEW_REGS_MASK) + ; + while (readl(&rtc_regs->hw_rtc_stat) & RTC_STAT_STALE_REGS_MASK) + ; +} + +/** + * mxs_power_set_linreg() - Set linear regulators 25mV below DC-DC converter + * + * This function configures the VDDIO, VDDA and VDDD linear regulators output + * to be 25mV below the VDDIO, VDDA and VDDD output from the DC-DC switching + * converter. This is the recommended setting for the case where we use both + * linear regulators and DC-DC converter to power the VDDIO rail. + */ +static void mxs_power_set_linreg(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + /* Set linear regulator 25mV below switching converter */ + clrsetbits_le32(&power_regs->hw_power_vdddctrl, + POWER_VDDDCTRL_LINREG_OFFSET_MASK, + POWER_VDDDCTRL_LINREG_OFFSET_1STEPS_BELOW); + + clrsetbits_le32(&power_regs->hw_power_vddactrl, + POWER_VDDACTRL_LINREG_OFFSET_MASK, + POWER_VDDACTRL_LINREG_OFFSET_1STEPS_BELOW); + + clrsetbits_le32(&power_regs->hw_power_vddioctrl, + POWER_VDDIOCTRL_LINREG_OFFSET_MASK, + POWER_VDDIOCTRL_LINREG_OFFSET_1STEPS_BELOW); +} + +/** + * mxs_get_batt_volt() - Measure battery input voltage + * + * This function retrieves the battery input voltage and returns it. + */ +static int mxs_get_batt_volt(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + uint32_t volt = readl(&power_regs->hw_power_battmonitor); + + volt &= POWER_BATTMONITOR_BATT_VAL_MASK; + volt >>= POWER_BATTMONITOR_BATT_VAL_OFFSET; + volt *= 8; + + return volt; +} + +/** + * mxs_is_batt_ready() - Test if the battery provides enough voltage to boot + * + * This function checks if the battery input voltage is higher than 3.6V and + * therefore allows the system to successfully boot using this power source. + */ +static int mxs_is_batt_ready(void) +{ + return (mxs_get_batt_volt() >= 3600); +} + +/** + * mxs_is_batt_good() - Test if battery is operational at all + * + * This function starts recharging the battery and tests if the input current + * provided by the 5V input recharging the battery is also sufficient to power + * the DC-DC converter. + */ +static int mxs_is_batt_good(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + uint32_t volt = mxs_get_batt_volt(); + + if ((volt >= 2400) && (volt <= 4300)) + return 1; + + clrsetbits_le32(&power_regs->hw_power_5vctrl, + POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK, + 0x3 << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET); + charger_4p2_enable(); + + clrsetbits_le32(&power_regs->hw_power_charge, + POWER_CHARGE_STOP_ILIMIT_MASK | POWER_CHARGE_BATTCHRG_I_MASK, + POWER_CHARGE_STOP_ILIMIT_10MA | 0x3); + + writel(POWER_CHARGE_PWD_BATTCHRG, &power_regs->hw_power_charge_clr); + charger_4p2_enable(); + + mxs_early_delay(500000); + + volt = mxs_get_batt_volt(); + + if (volt >= 3500) + return 0; + + if (volt >= 2400) + return 1; + + writel(POWER_CHARGE_STOP_ILIMIT_MASK | POWER_CHARGE_BATTCHRG_I_MASK, + &power_regs->hw_power_charge_clr); + writel(POWER_CHARGE_PWD_BATTCHRG, &power_regs->hw_power_charge_set); + + return 0; +} + +/** + * mxs_power_setup_5v_detect() - Start the 5V input detection comparator + * + * This function enables the 5V detection comparator and sets the 5V valid + * threshold to 4.4V . We use 4.4V threshold here to make sure that even + * under high load, the voltage drop on the 5V input won't be so critical + * to cause undervolt on the 4P2 linear regulator supplying the DC-DC + * converter and thus making the system crash. + */ +static void mxs_power_setup_5v_detect(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + /* Start 5V detection */ + clrsetbits_le32(&power_regs->hw_power_5vctrl, + POWER_5VCTRL_VBUSVALID_TRSH_MASK, + POWER_5VCTRL_VBUSVALID_TRSH_4V4 | + POWER_5VCTRL_PWRUP_VBUS_CMPS); +} + +/** + * mxs_src_power_init() - Preconfigure the power block + * + * This function configures reasonable values for the DC-DC control loop + * and battery monitor. + */ +static void mxs_src_power_init(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + /* Improve efficieny and reduce transient ripple */ + writel(POWER_LOOPCTRL_TOGGLE_DIF | POWER_LOOPCTRL_EN_CM_HYST | + POWER_LOOPCTRL_EN_DF_HYST, &power_regs->hw_power_loopctrl_set); + + clrsetbits_le32(&power_regs->hw_power_dclimits, + POWER_DCLIMITS_POSLIMIT_BUCK_MASK, + 0x30 << POWER_DCLIMITS_POSLIMIT_BUCK_OFFSET); + + setbits_le32(&power_regs->hw_power_battmonitor, + POWER_BATTMONITOR_EN_BATADJ); + + /* Increase the RCSCALE level for quick DCDC response to dynamic load */ + clrsetbits_le32(&power_regs->hw_power_loopctrl, + POWER_LOOPCTRL_EN_RCSCALE_MASK, + POWER_LOOPCTRL_RCSCALE_THRESH | + POWER_LOOPCTRL_EN_RCSCALE_8X); + + clrsetbits_le32(&power_regs->hw_power_minpwr, + POWER_MINPWR_HALFFETS, POWER_MINPWR_DOUBLE_FETS); + + /* 5V to battery handoff ... FIXME */ + setbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_DCDC_XFER); + mxs_early_delay(30); + clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_DCDC_XFER); +} + +/** + * mxs_power_init_4p2_params() - Configure the parameters of the 4P2 regulator + * + * This function configures the necessary parameters for the 4P2 linear + * regulator to supply the DC-DC converter from 5V input. + */ +static void mxs_power_init_4p2_params(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + /* Setup 4P2 parameters */ + clrsetbits_le32(&power_regs->hw_power_dcdc4p2, + POWER_DCDC4P2_CMPTRIP_MASK | POWER_DCDC4P2_TRG_MASK, + POWER_DCDC4P2_TRG_4V2 | (31 << POWER_DCDC4P2_CMPTRIP_OFFSET)); + + clrsetbits_le32(&power_regs->hw_power_5vctrl, + POWER_5VCTRL_HEADROOM_ADJ_MASK, + 0x4 << POWER_5VCTRL_HEADROOM_ADJ_OFFSET); + + clrsetbits_le32(&power_regs->hw_power_dcdc4p2, + POWER_DCDC4P2_DROPOUT_CTRL_MASK, + POWER_DCDC4P2_DROPOUT_CTRL_100MV | + POWER_DCDC4P2_DROPOUT_CTRL_SRC_SEL); + + clrsetbits_le32(&power_regs->hw_power_5vctrl, + POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK, + 0x3f << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET); +} + +/** + * mxs_enable_4p2_dcdc_input() - Enable or disable the DCDC input from 4P2 + * @xfer: Select if the input shall be enabled or disabled + * + * This function enables or disables the 4P2 input into the DC-DC converter. + */ +static void mxs_enable_4p2_dcdc_input(int xfer) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + uint32_t tmp, vbus_thresh, vbus_5vdetect, pwd_bo; + uint32_t prev_5v_brnout, prev_5v_droop; + + prev_5v_brnout = readl(&power_regs->hw_power_5vctrl) & + POWER_5VCTRL_PWDN_5VBRNOUT; + prev_5v_droop = readl(&power_regs->hw_power_ctrl) & + POWER_CTRL_ENIRQ_VDD5V_DROOP; + + clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_PWDN_5VBRNOUT); + writel(POWER_RESET_UNLOCK_KEY | POWER_RESET_PWD_OFF, + &power_regs->hw_power_reset); + + clrbits_le32(&power_regs->hw_power_ctrl, POWER_CTRL_ENIRQ_VDD5V_DROOP); + + if (xfer && (readl(&power_regs->hw_power_5vctrl) & + POWER_5VCTRL_ENABLE_DCDC)) { + return; + } + + /* + * Recording orignal values that will be modified temporarlily + * to handle a chip bug. See chip errata for CQ ENGR00115837 + */ + tmp = readl(&power_regs->hw_power_5vctrl); + vbus_thresh = tmp & POWER_5VCTRL_VBUSVALID_TRSH_MASK; + vbus_5vdetect = tmp & POWER_5VCTRL_VBUSVALID_5VDETECT; + + pwd_bo = readl(&power_regs->hw_power_minpwr) & POWER_MINPWR_PWD_BO; + + /* + * Disable mechanisms that get erroneously tripped by when setting + * the DCDC4P2 EN_DCDC + */ + clrbits_le32(&power_regs->hw_power_5vctrl, + POWER_5VCTRL_VBUSVALID_5VDETECT | + POWER_5VCTRL_VBUSVALID_TRSH_MASK); + + writel(POWER_MINPWR_PWD_BO, &power_regs->hw_power_minpwr_set); + + if (xfer) { + setbits_le32(&power_regs->hw_power_5vctrl, + POWER_5VCTRL_DCDC_XFER); + mxs_early_delay(20); + clrbits_le32(&power_regs->hw_power_5vctrl, + POWER_5VCTRL_DCDC_XFER); + + setbits_le32(&power_regs->hw_power_5vctrl, + POWER_5VCTRL_ENABLE_DCDC); + } else { + setbits_le32(&power_regs->hw_power_dcdc4p2, + POWER_DCDC4P2_ENABLE_DCDC); + } + + mxs_early_delay(25); + + clrsetbits_le32(&power_regs->hw_power_5vctrl, + POWER_5VCTRL_VBUSVALID_TRSH_MASK, vbus_thresh); + + if (vbus_5vdetect) + writel(vbus_5vdetect, &power_regs->hw_power_5vctrl_set); + + if (!pwd_bo) + clrbits_le32(&power_regs->hw_power_minpwr, POWER_MINPWR_PWD_BO); + + while (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VBUS_VALID_IRQ) + writel(POWER_CTRL_VBUS_VALID_IRQ, + &power_regs->hw_power_ctrl_clr); + + if (prev_5v_brnout) { + writel(POWER_5VCTRL_PWDN_5VBRNOUT, + &power_regs->hw_power_5vctrl_set); + writel(POWER_RESET_UNLOCK_KEY, + &power_regs->hw_power_reset); + } else { + writel(POWER_5VCTRL_PWDN_5VBRNOUT, + &power_regs->hw_power_5vctrl_clr); + writel(POWER_RESET_UNLOCK_KEY | POWER_RESET_PWD_OFF, + &power_regs->hw_power_reset); + } + + while (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VDD5V_DROOP_IRQ) + writel(POWER_CTRL_VDD5V_DROOP_IRQ, + &power_regs->hw_power_ctrl_clr); + + if (prev_5v_droop) + clrbits_le32(&power_regs->hw_power_ctrl, + POWER_CTRL_ENIRQ_VDD5V_DROOP); + else + setbits_le32(&power_regs->hw_power_ctrl, + POWER_CTRL_ENIRQ_VDD5V_DROOP); +} + +/** + * mxs_power_init_4p2_regulator() - Start the 4P2 regulator + * + * This function enables the 4P2 regulator and switches the DC-DC converter + * to use the 4P2 input. + */ +static void mxs_power_init_4p2_regulator(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + uint32_t tmp, tmp2; + + setbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_ENABLE_4P2); + + writel(POWER_CHARGE_ENABLE_LOAD, &power_regs->hw_power_charge_set); + + writel(POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK, + &power_regs->hw_power_5vctrl_clr); + clrbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_TRG_MASK); + + /* Power up the 4p2 rail and logic/control */ + charger_4p2_enable(); + + /* + * Start charging up the 4p2 capacitor. We ramp of this charge + * gradually to avoid large inrush current from the 5V cable which can + * cause transients/problems + */ + mxs_enable_4p2_dcdc_input(0); + + if (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VBUS_VALID_IRQ) { + /* + * If we arrived here, we were unable to recover from mx23 chip + * errata 5837. 4P2 is disabled and sufficient battery power is + * not present. Exiting to not enable DCDC power during 5V + * connected state. + */ + clrbits_le32(&power_regs->hw_power_dcdc4p2, + POWER_DCDC4P2_ENABLE_DCDC); + charger_4p2_disable(); + hang(); + } + + /* + * Here we set the 4p2 brownout level to something very close to 4.2V. + * We then check the brownout status. If the brownout status is false, + * the voltage is already close to the target voltage of 4.2V so we + * can go ahead and set the 4P2 current limit to our max target limit. + * If the brownout status is true, we need to ramp us the current limit + * so that we don't cause large inrush current issues. We step up the + * current limit until the brownout status is false or until we've + * reached our maximum defined 4p2 current limit. + */ + clrsetbits_le32(&power_regs->hw_power_dcdc4p2, + POWER_DCDC4P2_BO_MASK, + 22 << POWER_DCDC4P2_BO_OFFSET); /* 4.15V */ + + if (!(readl(&power_regs->hw_power_sts) & POWER_STS_DCDC_4P2_BO)) { + setbits_le32(&power_regs->hw_power_5vctrl, + 0x3f << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET); + } else { + tmp = (readl(&power_regs->hw_power_5vctrl) & + POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK) >> + POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET; + while (tmp < 0x3f) { + if (!(readl(&power_regs->hw_power_sts) & + POWER_STS_DCDC_4P2_BO)) { + tmp = readl(&power_regs->hw_power_5vctrl); + tmp |= POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK; + mxs_early_delay(100); + writel(tmp, &power_regs->hw_power_5vctrl); + break; + } else { + tmp++; + tmp2 = readl(&power_regs->hw_power_5vctrl); + tmp2 &= ~POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK; + tmp2 |= tmp << + POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET; + writel(tmp2, &power_regs->hw_power_5vctrl); + mxs_early_delay(100); + } + } + } + + clrbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_BO_MASK); + writel(POWER_CTRL_DCDC4P2_BO_IRQ, &power_regs->hw_power_ctrl_clr); +} + +/** + * mxs_power_init_dcdc_4p2_source() - Switch DC-DC converter to 4P2 source + * + * This function configures the DC-DC converter to be supplied from the 4P2 + * linear regulator. + */ +static void mxs_power_init_dcdc_4p2_source(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + if (!(readl(&power_regs->hw_power_dcdc4p2) & + POWER_DCDC4P2_ENABLE_DCDC)) { + hang(); + } + + mxs_enable_4p2_dcdc_input(1); + + if (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VBUS_VALID_IRQ) { + clrbits_le32(&power_regs->hw_power_dcdc4p2, + POWER_DCDC4P2_ENABLE_DCDC); + writel(POWER_5VCTRL_ENABLE_DCDC, + &power_regs->hw_power_5vctrl_clr); + charger_4p2_disable(); + } +} + +/** + * mxs_power_enable_4p2() - Power up the 4P2 regulator + * + * This function drives the process of powering up the 4P2 linear regulator + * and switching the DC-DC converter input over to the 4P2 linear regulator. + */ +static void mxs_power_enable_4p2(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + uint32_t vdddctrl, vddactrl, vddioctrl; + uint32_t tmp; + + vdddctrl = readl(&power_regs->hw_power_vdddctrl); + vddactrl = readl(&power_regs->hw_power_vddactrl); + vddioctrl = readl(&power_regs->hw_power_vddioctrl); + + setbits_le32(&power_regs->hw_power_vdddctrl, + POWER_VDDDCTRL_DISABLE_FET | POWER_VDDDCTRL_ENABLE_LINREG | + POWER_VDDDCTRL_PWDN_BRNOUT); + + setbits_le32(&power_regs->hw_power_vddactrl, + POWER_VDDACTRL_DISABLE_FET | POWER_VDDACTRL_ENABLE_LINREG | + POWER_VDDACTRL_PWDN_BRNOUT); + + setbits_le32(&power_regs->hw_power_vddioctrl, + POWER_VDDIOCTRL_DISABLE_FET | POWER_VDDIOCTRL_PWDN_BRNOUT); + + mxs_power_init_4p2_params(); + mxs_power_init_4p2_regulator(); + + /* Shutdown battery (none present) */ + if (!mxs_is_batt_ready()) { + clrbits_le32(&power_regs->hw_power_dcdc4p2, + POWER_DCDC4P2_BO_MASK); + writel(POWER_CTRL_DCDC4P2_BO_IRQ, + &power_regs->hw_power_ctrl_clr); + writel(POWER_CTRL_ENIRQ_DCDC4P2_BO, + &power_regs->hw_power_ctrl_clr); + } + + mxs_power_init_dcdc_4p2_source(); + + writel(vdddctrl, &power_regs->hw_power_vdddctrl); + mxs_early_delay(20); + writel(vddactrl, &power_regs->hw_power_vddactrl); + mxs_early_delay(20); + writel(vddioctrl, &power_regs->hw_power_vddioctrl); + + /* + * Check if FET is enabled on either powerout and if so, + * disable load. + */ + tmp = 0; + tmp |= !(readl(&power_regs->hw_power_vdddctrl) & + POWER_VDDDCTRL_DISABLE_FET); + tmp |= !(readl(&power_regs->hw_power_vddactrl) & + POWER_VDDACTRL_DISABLE_FET); + tmp |= !(readl(&power_regs->hw_power_vddioctrl) & + POWER_VDDIOCTRL_DISABLE_FET); + if (tmp) + writel(POWER_CHARGE_ENABLE_LOAD, + &power_regs->hw_power_charge_clr); +} + +/** + * mxs_boot_valid_5v() - Boot from 5V supply + * + * This function configures the power block to boot from valid 5V input. + * This is called only if the 5V is reliable and can properly supply the + * CPU. This function proceeds to configure the 4P2 converter to be supplied + * from the 5V input. + */ +static void mxs_boot_valid_5v(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + /* + * Use VBUSVALID level instead of VDD5V_GT_VDDIO level to trigger a 5V + * disconnect event. FIXME + */ + writel(POWER_5VCTRL_VBUSVALID_5VDETECT, + &power_regs->hw_power_5vctrl_set); + + /* Configure polarity to check for 5V disconnection. */ + writel(POWER_CTRL_POLARITY_VBUSVALID | + POWER_CTRL_POLARITY_VDD5V_GT_VDDIO, + &power_regs->hw_power_ctrl_clr); + + writel(POWER_CTRL_VBUS_VALID_IRQ | POWER_CTRL_VDD5V_GT_VDDIO_IRQ, + &power_regs->hw_power_ctrl_clr); + + mxs_power_enable_4p2(); +} + +/** + * mxs_powerdown() - Shut down the system + * + * This function powers down the CPU completely. + */ +static void mxs_powerdown(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + writel(POWER_RESET_UNLOCK_KEY, &power_regs->hw_power_reset); + writel(POWER_RESET_UNLOCK_KEY | POWER_RESET_PWD_OFF, + &power_regs->hw_power_reset); +} + +/** + * mxs_enable_battery_input() - Configure the power block to boot from battery input + * + * This function configures the power block to boot from the battery voltage + * supply. + */ +static void mxs_enable_battery_input(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_PWDN_5VBRNOUT); + clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_ENABLE_DCDC); + + clrbits_le32(&power_regs->hw_power_dcdc4p2, + POWER_DCDC4P2_ENABLE_DCDC | POWER_DCDC4P2_ENABLE_4P2); + writel(POWER_CHARGE_ENABLE_LOAD, &power_regs->hw_power_charge_clr); + + /* 5V to battery handoff. */ + setbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_DCDC_XFER); + mxs_early_delay(30); + clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_DCDC_XFER); + + writel(POWER_CTRL_ENIRQ_DCDC4P2_BO, &power_regs->hw_power_ctrl_clr); + + clrsetbits_le32(&power_regs->hw_power_minpwr, + POWER_MINPWR_HALFFETS, POWER_MINPWR_DOUBLE_FETS); + + mxs_power_set_linreg(); + + clrbits_le32(&power_regs->hw_power_vdddctrl, + POWER_VDDDCTRL_DISABLE_FET | POWER_VDDDCTRL_ENABLE_LINREG); + + clrbits_le32(&power_regs->hw_power_vddactrl, + POWER_VDDACTRL_DISABLE_FET | POWER_VDDACTRL_ENABLE_LINREG); + + clrbits_le32(&power_regs->hw_power_vddioctrl, + POWER_VDDIOCTRL_DISABLE_FET); + + charger_4p2_disable(); + + setbits_le32(&power_regs->hw_power_5vctrl, + POWER_5VCTRL_ENABLE_DCDC); + + clrsetbits_le32(&power_regs->hw_power_5vctrl, + POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK, + 0x8 << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET); + + mxs_power_enable_4p2(); +} + +/** + * mxs_handle_5v_conflict() - Test if the 5V input is reliable + * + * This function tests if the 5V input can reliably supply the system. If it + * can, then proceed to configuring the system to boot from 5V source, otherwise + * try booting from battery supply. If we can not boot from battery supply + * either, shut down the system. + */ +static void mxs_handle_5v_conflict(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + uint32_t tmp; + + setbits_le32(&power_regs->hw_power_vddioctrl, + POWER_VDDIOCTRL_BO_OFFSET_MASK); + + for (;;) { + tmp = readl(&power_regs->hw_power_sts); + + if (tmp & POWER_STS_VDDIO_BO) { + /* + * VDDIO has a brownout, then the VDD5V_GT_VDDIO becomes + * unreliable + */ + mxs_powerdown(); + break; + } + + if (tmp & POWER_STS_VDD5V_GT_VDDIO) { + mxs_boot_valid_5v(); + break; + } else { + mxs_powerdown(); + break; + } + + if (tmp & POWER_STS_PSWITCH_MASK) { + mxs_enable_battery_input(); + break; + } + } +} + +/** + * mxs_5v_boot() - Configure the power block to boot from 5V input + * + * This function handles configuration of the power block when supplied by + * a 5V input. + */ +static void mxs_5v_boot(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + /* + * NOTE: In original IMX-Bootlets, this also checks for VBUSVALID, + * but their implementation always returns 1 so we omit it here. + */ + if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { + mxs_boot_valid_5v(); + return; + } + + mxs_early_delay(1000); + if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { + mxs_boot_valid_5v(); + return; + } + + mxs_handle_5v_conflict(); +} + +/** + * mxs_init_batt_bo() - Configure battery brownout threshold + * + * This function configures the battery input brownout threshold. The value + * at which the battery brownout happens is configured to 3.0V in the code. + */ +static void mxs_init_batt_bo(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + /* Brownout at 3V */ + clrsetbits_le32(&power_regs->hw_power_battmonitor, + POWER_BATTMONITOR_BRWNOUT_LVL_MASK, + 15 << POWER_BATTMONITOR_BRWNOUT_LVL_OFFSET); + + writel(POWER_CTRL_BATT_BO_IRQ, &power_regs->hw_power_ctrl_clr); + writel(POWER_CTRL_ENIRQ_BATT_BO, &power_regs->hw_power_ctrl_clr); +} + +/** + * mxs_switch_vddd_to_dcdc_source() - Switch VDDD rail to DC-DC converter + * + * This function turns off the VDDD linear regulator and therefore makes + * the VDDD rail be supplied only by the DC-DC converter. + */ +static void mxs_switch_vddd_to_dcdc_source(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + clrsetbits_le32(&power_regs->hw_power_vdddctrl, + POWER_VDDDCTRL_LINREG_OFFSET_MASK, + POWER_VDDDCTRL_LINREG_OFFSET_1STEPS_BELOW); + + clrbits_le32(&power_regs->hw_power_vdddctrl, + POWER_VDDDCTRL_DISABLE_FET | POWER_VDDDCTRL_ENABLE_LINREG | + POWER_VDDDCTRL_DISABLE_STEPPING); +} + +/** + * mxs_power_configure_power_source() - Configure power block source + * + * This function is the core of the power configuration logic. The function + * selects the power block input source and configures the whole power block + * accordingly. After the configuration is complete and the system is stable + * again, the function switches the CPU clock source back to PLL. Finally, + * the function switches the voltage rails to DC-DC converter. + */ +static void mxs_power_configure_power_source(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + struct mxs_lradc_regs *lradc_regs = + (struct mxs_lradc_regs *)IMX_LRADC_BASE; + + if (!(readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO)) { + /* 5V not detected, booting from battery. */ + mxs_enable_battery_input(); + return; + } + + if (mxs_is_batt_ready()) { + /* 5V source detected, good battery detected. */ + mxs_enable_battery_input(); + return; + } + + if (!mxs_is_batt_good()) { + /* 5V source detected, bad battery detected. */ + writel(LRADC_CONVERSION_AUTOMATIC, + &lradc_regs->hw_lradc_conversion_clr); + clrbits_le32(&power_regs->hw_power_battmonitor, + POWER_BATTMONITOR_BATT_VAL_MASK); + } + mxs_5v_boot(); +} + +/** + * mxs_enable_output_rail_protection() - Enable power rail protection + * + * This function enables overload protection on the power rails. This is + * triggered if the power rails' voltage drops rapidly due to overload and + * in such case, the supply to the powerrail is cut-off, protecting the + * CPU from damage. Note that under such condition, the system will likely + * crash or misbehave. + */ +static void mxs_enable_output_rail_protection(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + writel(POWER_CTRL_VDDD_BO_IRQ | POWER_CTRL_VDDA_BO_IRQ | + POWER_CTRL_VDDIO_BO_IRQ, &power_regs->hw_power_ctrl_clr); + + setbits_le32(&power_regs->hw_power_vdddctrl, + POWER_VDDDCTRL_PWDN_BRNOUT); + + setbits_le32(&power_regs->hw_power_vddactrl, + POWER_VDDACTRL_PWDN_BRNOUT); + + setbits_le32(&power_regs->hw_power_vddioctrl, + POWER_VDDIOCTRL_PWDN_BRNOUT); +} + +/** + * mxs_get_vddio_power_source_off() - Get VDDIO rail power source + * + * This function tests if the VDDIO rail is supplied by linear regulator + * or by the DC-DC converter. Returns 1 if powered by linear regulator, + * returns 0 if powered by the DC-DC converter. + */ +static int mxs_get_vddio_power_source_off(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + uint32_t tmp; + + if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { + tmp = readl(&power_regs->hw_power_vddioctrl); + if (tmp & POWER_VDDIOCTRL_DISABLE_FET) { + if ((tmp & POWER_VDDIOCTRL_LINREG_OFFSET_MASK) == + POWER_VDDIOCTRL_LINREG_OFFSET_0STEPS) { + return 1; + } + } + + if (!(readl(&power_regs->hw_power_5vctrl) & + POWER_5VCTRL_ENABLE_DCDC)) { + if ((tmp & POWER_VDDIOCTRL_LINREG_OFFSET_MASK) == + POWER_VDDIOCTRL_LINREG_OFFSET_0STEPS) { + return 1; + } + } + } + + return 0; + +} + +/** + * mxs_get_vddd_power_source_off() - Get VDDD rail power source + * + * This function tests if the VDDD rail is supplied by linear regulator + * or by the DC-DC converter. Returns 1 if powered by linear regulator, + * returns 0 if powered by the DC-DC converter. + */ +static int mxs_get_vddd_power_source_off(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + uint32_t tmp; + + tmp = readl(&power_regs->hw_power_vdddctrl); + if (tmp & POWER_VDDDCTRL_DISABLE_FET) { + if ((tmp & POWER_VDDDCTRL_LINREG_OFFSET_MASK) == + POWER_VDDDCTRL_LINREG_OFFSET_0STEPS) { + return 1; + } + } + + if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { + if (!(readl(&power_regs->hw_power_5vctrl) & + POWER_5VCTRL_ENABLE_DCDC)) { + return 1; + } + } + + if (!(tmp & POWER_VDDDCTRL_ENABLE_LINREG)) { + if ((tmp & POWER_VDDDCTRL_LINREG_OFFSET_MASK) == + POWER_VDDDCTRL_LINREG_OFFSET_1STEPS_BELOW) { + return 1; + } + } + + return 0; +} + +struct mxs_vddx_cfg { + uint32_t *reg; + uint8_t step_mV; + uint16_t lowest_mV; + int (*powered_by_linreg)(void); + uint32_t trg_mask; + uint32_t bo_irq; + uint32_t bo_enirq; + uint32_t bo_offset_mask; + uint32_t bo_offset_offset; +}; + +static const struct mxs_vddx_cfg mx23_vddio_cfg = { + .reg = &(((struct mxs_power_regs *)IMX_POWER_BASE)-> + hw_power_vddioctrl), + .step_mV = 25, + .lowest_mV = 2800, + .powered_by_linreg = mxs_get_vddio_power_source_off, + .trg_mask = POWER_VDDIOCTRL_TRG_MASK, + .bo_irq = POWER_CTRL_VDDIO_BO_IRQ, + .bo_enirq = POWER_CTRL_ENIRQ_VDDIO_BO, + .bo_offset_mask = POWER_VDDIOCTRL_BO_OFFSET_MASK, + .bo_offset_offset = POWER_VDDIOCTRL_BO_OFFSET_OFFSET, +}; + +static const struct mxs_vddx_cfg mx28_vddio_cfg = { + .reg = &(((struct mxs_power_regs *)IMX_POWER_BASE)-> + hw_power_vddioctrl), + .step_mV = 50, + .lowest_mV = 2800, + .powered_by_linreg = mxs_get_vddio_power_source_off, + .trg_mask = POWER_VDDIOCTRL_TRG_MASK, + .bo_irq = POWER_CTRL_VDDIO_BO_IRQ, + .bo_enirq = POWER_CTRL_ENIRQ_VDDIO_BO, + .bo_offset_mask = POWER_VDDIOCTRL_BO_OFFSET_MASK, + .bo_offset_offset = POWER_VDDIOCTRL_BO_OFFSET_OFFSET, +}; + +static const struct mxs_vddx_cfg mxs_vddd_cfg = { + .reg = &(((struct mxs_power_regs *)IMX_POWER_BASE)-> + hw_power_vdddctrl), + .step_mV = 25, + .lowest_mV = 800, + .powered_by_linreg = mxs_get_vddd_power_source_off, + .trg_mask = POWER_VDDDCTRL_TRG_MASK, + .bo_irq = POWER_CTRL_VDDD_BO_IRQ, + .bo_enirq = POWER_CTRL_ENIRQ_VDDD_BO, + .bo_offset_mask = POWER_VDDDCTRL_BO_OFFSET_MASK, + .bo_offset_offset = POWER_VDDDCTRL_BO_OFFSET_OFFSET, +}; + +static const struct mxs_vddx_cfg mxs_vddmem_cfg = { + .reg = &(((struct mxs_power_regs *)IMX_POWER_BASE)-> + hw_power_vddmemctrl), + .step_mV = 50, + .lowest_mV = 1700, + .powered_by_linreg = NULL, + .trg_mask = POWER_VDDMEMCTRL_TRG_MASK, + .bo_irq = 0, + .bo_enirq = 0, + .bo_offset_mask = 0, + .bo_offset_offset = 0, +}; + +/** + * mxs_power_set_vddx() - Configure voltage on DC-DC converter rail + * @cfg: Configuration data of the DC-DC converter rail + * @new_target: New target voltage of the DC-DC converter rail + * @new_brownout: New brownout trigger voltage + * + * This function configures the output voltage on the DC-DC converter rail. + * The rail is selected by the @cfg argument. The new voltage target is + * selected by the @new_target and the voltage is specified in mV. The + * new brownout value is selected by the @new_brownout argument and the + * value is also in mV. + */ +static void mxs_power_set_vddx(const struct mxs_vddx_cfg *cfg, + uint32_t new_target, uint32_t new_brownout) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + uint32_t cur_target, diff, bo_int = 0; + uint32_t powered_by_linreg = 0; + int adjust_up, tmp; + + new_brownout = DIV_ROUND_CLOSEST(new_target - new_brownout, cfg->step_mV); + + cur_target = readl(cfg->reg); + cur_target &= cfg->trg_mask; + cur_target *= cfg->step_mV; + cur_target += cfg->lowest_mV; + + adjust_up = new_target > cur_target; + if (cfg->powered_by_linreg) + powered_by_linreg = cfg->powered_by_linreg(); + + if (adjust_up && cfg->bo_irq) { + if (powered_by_linreg) { + bo_int = readl(cfg->reg); + clrbits_le32(cfg->reg, cfg->bo_enirq); + } + setbits_le32(cfg->reg, cfg->bo_offset_mask); + } + + do { + if (abs(new_target - cur_target) > 100) { + if (adjust_up) + diff = cur_target + 100; + else + diff = cur_target - 100; + } else { + diff = new_target; + } + + diff -= cfg->lowest_mV; + diff /= cfg->step_mV; + + clrsetbits_le32(cfg->reg, cfg->trg_mask, diff); + + if (powered_by_linreg || + (readl(&power_regs->hw_power_sts) & + POWER_STS_VDD5V_GT_VDDIO)) + mxs_early_delay(500); + else { + for (;;) { + tmp = readl(&power_regs->hw_power_sts); + if (tmp & POWER_STS_DC_OK) + break; + } + } + + cur_target = readl(cfg->reg); + cur_target &= cfg->trg_mask; + cur_target *= cfg->step_mV; + cur_target += cfg->lowest_mV; + } while (new_target > cur_target); + + if (cfg->bo_irq) { + if (adjust_up && powered_by_linreg) { + writel(cfg->bo_irq, &power_regs->hw_power_ctrl_clr); + if (bo_int & cfg->bo_enirq) + setbits_le32(cfg->reg, cfg->bo_enirq); + } + + clrsetbits_le32(cfg->reg, cfg->bo_offset_mask, + new_brownout << cfg->bo_offset_offset); + } +} + +/** + * mxs_setup_batt_detect() - Start the battery voltage measurement logic + * + * This function starts and configures the LRADC block. This allows the + * power initialization code to measure battery voltage and based on this + * knowledge, decide whether to boot at all, boot from battery or boot + * from 5V input. + */ +static void mxs_setup_batt_detect(void) +{ + mxs_lradc_init(); + mxs_lradc_enable_batt_measurement(); + mxs_early_delay(10); +} + +/** + * mx23_ungate_power() - Ungate the POWER block + * + * This function ungates clock to the power block. In case the power block + * was still gated at this point, it will not be possible to configure the + * block and therefore the power initialization would fail. This function + * is only needed on i.MX233, on i.MX28 the power block is always ungated. + */ +static void mx23_ungate_power(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + writel(MX23_POWER_CTRL_CLKGATE, &power_regs->hw_power_ctrl_clr); +} + +/** + * mx23_power_init() - The power block init main function + * + * This function calls all the power block initialization functions in + * proper sequence to start the power block. + */ +static void __mx23_power_init(int has_battery) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + mx23_ungate_power(); + + mxs_power_clock2xtal(); + mxs_power_set_auto_restart(); + mxs_power_set_linreg(); + mxs_power_setup_5v_detect(); + + mxs_setup_batt_detect(); + + mxs_src_power_init(); + + if (has_battery) + mxs_power_configure_power_source(); + else + mxs_enable_battery_input(); + + mxs_power_clock2pll(); + + mxs_init_batt_bo(); + + mxs_switch_vddd_to_dcdc_source(); + + /* Fire up the VDDMEM LinReg now that we're all set. */ + writel(POWER_VDDMEMCTRL_ENABLE_LINREG | POWER_VDDMEMCTRL_ENABLE_ILIMIT, + &power_regs->hw_power_vddmemctrl); + + mxs_enable_output_rail_protection(); + + mxs_power_set_vddx(&mx23_vddio_cfg, 3300, 3150); + mxs_power_set_vddx(&mxs_vddd_cfg, 1500, 1000); + mxs_power_set_vddx(&mxs_vddmem_cfg, 2500, 1700); + + writel(POWER_CTRL_VDDD_BO_IRQ | POWER_CTRL_VDDA_BO_IRQ | + POWER_CTRL_VDDIO_BO_IRQ | POWER_CTRL_VDD5V_DROOP_IRQ | + POWER_CTRL_VBUS_VALID_IRQ | POWER_CTRL_BATT_BO_IRQ | + POWER_CTRL_DCDC4P2_BO_IRQ, &power_regs->hw_power_ctrl_clr); + + writel(POWER_5VCTRL_PWDN_5VBRNOUT, &power_regs->hw_power_5vctrl_set); + + mxs_early_delay(1000); +} + +void mx23_power_init(void) +{ + __mx23_power_init(1); +} + +void mx23_power_init_battery_input(void) +{ + __mx23_power_init(0); +} + +/** + * mx28_power_init() - The power block init main function + * + * This function calls all the power block initialization functions in + * proper sequence to start the power block. + */ +static void __mx28_power_init(int has_battery) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + mxs_power_clock2xtal(); + mxs_power_set_auto_restart(); + mxs_power_set_linreg(); + mxs_power_setup_5v_detect(); + + mxs_setup_batt_detect(); + + mxs_src_power_init(); + + if (has_battery) + mxs_power_configure_power_source(); + else + mxs_enable_battery_input(); + + mxs_power_clock2pll(); + + mxs_init_batt_bo(); + + mxs_switch_vddd_to_dcdc_source(); + + mxs_enable_output_rail_protection(); + + mxs_power_set_vddx(&mx28_vddio_cfg, 3300, 3150); + mxs_power_set_vddx(&mxs_vddd_cfg, 1500, 1000); + + writel(POWER_CTRL_VDDD_BO_IRQ | POWER_CTRL_VDDA_BO_IRQ | + POWER_CTRL_VDDIO_BO_IRQ | POWER_CTRL_VDD5V_DROOP_IRQ | + POWER_CTRL_VBUS_VALID_IRQ | POWER_CTRL_BATT_BO_IRQ | + POWER_CTRL_DCDC4P2_BO_IRQ, &power_regs->hw_power_ctrl_clr); + + writel(POWER_5VCTRL_PWDN_5VBRNOUT, &power_regs->hw_power_5vctrl_set); + + mxs_early_delay(1000); +} + +void mx28_power_init(void) +{ + __mx28_power_init(1); +} + +void mx28_power_init_battery_input(void) +{ + __mx28_power_init(0); +} + +/** + * mxs_power_wait_pswitch() - Wait for power switch to be pressed + * + * This function waits until the power-switch was pressed to start booting + * the board. + */ +void mxs_power_wait_pswitch(void) +{ + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)IMX_POWER_BASE; + + while (!(readl(&power_regs->hw_power_sts) & POWER_STS_PSWITCH_MASK)) + ; +} diff --git a/arch/arm/mach-mxs/soc-imx23.c b/arch/arm/mach-mxs/soc-imx23.c index 825ea20a55..b21986536f 100644 --- a/arch/arm/mach-mxs/soc-imx23.c +++ b/arch/arm/mach-mxs/soc-imx23.c @@ -16,7 +16,7 @@ #include <common.h> #include <init.h> -#include <mach/imx-regs.h> +#include <mach/imx23-regs.h> #include <io.h> #define HW_CLKCTRL_RESET 0x120 diff --git a/arch/arm/mach-mxs/soc-imx28.c b/arch/arm/mach-mxs/soc-imx28.c index 01bc20a6f0..c7252f537e 100644 --- a/arch/arm/mach-mxs/soc-imx28.c +++ b/arch/arm/mach-mxs/soc-imx28.c @@ -16,7 +16,7 @@ #include <common.h> #include <init.h> -#include <mach/imx-regs.h> +#include <mach/imx28-regs.h> #include <io.h> #define HW_CLKCTRL_RESET 0x1e0 diff --git a/arch/arm/mach-mxs/usb-imx23.c b/arch/arm/mach-mxs/usb-imx23.c index 8bed11deb8..e626396f9d 100644 --- a/arch/arm/mach-mxs/usb-imx23.c +++ b/arch/arm/mach-mxs/usb-imx23.c @@ -15,7 +15,7 @@ */ #include <common.h> #include <io.h> -#include <mach/imx-regs.h> +#include <mach/imx23-regs.h> #include <mach/power.h> #define USBPHY_PWD (IMX_USBPHY_BASE + 0x0) diff --git a/arch/arm/mach-mxs/usb-imx28.c b/arch/arm/mach-mxs/usb-imx28.c index 1c982a0266..a87d4f6cbc 100644 --- a/arch/arm/mach-mxs/usb-imx28.c +++ b/arch/arm/mach-mxs/usb-imx28.c @@ -17,7 +17,7 @@ #include <common.h> #include <io.h> #include <errno.h> -#include <mach/imx-regs.h> +#include <mach/imx28-regs.h> #define POWER_CTRL (IMX_POWER_BASE + 0x0) #define POWER_CTRL_CLKGATE 0x40000000 |