diff options
Diffstat (limited to 'arch/arm/boards/kindle3')
| -rw-r--r-- | arch/arm/boards/kindle3/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/boards/kindle3/env/boot/mmc_kernel | 7 | ||||
| -rw-r--r-- | arch/arm/boards/kindle3/env/init/serials | 21 | ||||
| -rw-r--r-- | arch/arm/boards/kindle3/env/init/usbconsole | 8 | ||||
| -rw-r--r-- | arch/arm/boards/kindle3/env/nv/autoboot_timeout | 1 | ||||
| -rw-r--r-- | arch/arm/boards/kindle3/env/nv/boot.default | 1 | ||||
| -rw-r--r-- | arch/arm/boards/kindle3/env/nv/linux.bootargs.base | 1 | ||||
| -rw-r--r-- | arch/arm/boards/kindle3/env/nv/linux.bootargs.console | 1 | ||||
| -rw-r--r-- | arch/arm/boards/kindle3/env/nv/linux.bootargs.lpj | 1 | ||||
| -rw-r--r-- | arch/arm/boards/kindle3/flash-header.imxcfg | 24 | ||||
| -rw-r--r-- | arch/arm/boards/kindle3/kindle3.c | 304 | ||||
| -rw-r--r-- | arch/arm/boards/kindle3/lowlevel.c | 127 |
12 files changed, 0 insertions, 498 deletions
diff --git a/arch/arm/boards/kindle3/Makefile b/arch/arm/boards/kindle3/Makefile deleted file mode 100644 index 86c746240e..0000000000 --- a/arch/arm/boards/kindle3/Makefile +++ /dev/null @@ -1,2 +0,0 @@ -obj-y += kindle3.o -lwl-y += lowlevel.o diff --git a/arch/arm/boards/kindle3/env/boot/mmc_kernel b/arch/arm/boards/kindle3/env/boot/mmc_kernel deleted file mode 100644 index c6145b85ac..0000000000 --- a/arch/arm/boards/kindle3/env/boot/mmc_kernel +++ /dev/null @@ -1,7 +0,0 @@ -#!/bin/sh -# Boot the Amazon factory-shipped kernel uimage stored on -# the eMMC at MOVINAND_OFFSET_KERNEL=266240. - -global linux.bootargs.dyn.root="root=/dev/mmcblk0p1 ro" - -bootm -c -a 0x80008000 /dev/disk0.kernel diff --git a/arch/arm/boards/kindle3/env/init/serials b/arch/arm/boards/kindle3/env/init/serials deleted file mode 100644 index 76580aeece..0000000000 --- a/arch/arm/boards/kindle3/env/init/serials +++ /dev/null @@ -1,21 +0,0 @@ -#!/bin/sh - -global board.serial16 -global board.revision16 - -# 16-byte alphanumeric containing the serial number -# SN is the first 16 bytes before the bootloader -if test -b /dev/disk0.serial; then - if memcpy -s /dev/disk0.serial -d tmp_serial16 -b 0 0 16; then - readf tmp_serial16 global.board.serial16 - fi -fi -[ -f tmp_serial16 ] && rm tmp_serial16 - -# 16-byte alphanumeric containing the board revision -if test -b /dev/disk0.imx_header; then - if memcpy -s /dev/disk0.imx_header -d tmp_revision16 -b 2032 0 16; then - readf tmp_revision16 global.board.revision16 - fi -fi -[ -f tmp_revision16 ] && rm tmp_revision16 diff --git a/arch/arm/boards/kindle3/env/init/usbconsole b/arch/arm/boards/kindle3/env/init/usbconsole deleted file mode 100644 index 87a8f9bf8c..0000000000 --- a/arch/arm/boards/kindle3/env/init/usbconsole +++ /dev/null @@ -1,8 +0,0 @@ -#!/bin/sh - -# Fiveway device select key activates usbserial access for 60s -echo -if gpio_get_value 63; then - usbserial - global.autoboot_timeout=60 -fi diff --git a/arch/arm/boards/kindle3/env/nv/autoboot_timeout b/arch/arm/boards/kindle3/env/nv/autoboot_timeout deleted file mode 100644 index 00750edc07..0000000000 --- a/arch/arm/boards/kindle3/env/nv/autoboot_timeout +++ /dev/null @@ -1 +0,0 @@ -3 diff --git a/arch/arm/boards/kindle3/env/nv/boot.default b/arch/arm/boards/kindle3/env/nv/boot.default deleted file mode 100644 index 3118b7af45..0000000000 --- a/arch/arm/boards/kindle3/env/nv/boot.default +++ /dev/null @@ -1 +0,0 @@ -mmc_kernel diff --git a/arch/arm/boards/kindle3/env/nv/linux.bootargs.base b/arch/arm/boards/kindle3/env/nv/linux.bootargs.base deleted file mode 100644 index 3a940d88fa..0000000000 --- a/arch/arm/boards/kindle3/env/nv/linux.bootargs.base +++ /dev/null @@ -1 +0,0 @@ -mem=256M ip=none diff --git a/arch/arm/boards/kindle3/env/nv/linux.bootargs.console b/arch/arm/boards/kindle3/env/nv/linux.bootargs.console deleted file mode 100644 index d775310b40..0000000000 --- a/arch/arm/boards/kindle3/env/nv/linux.bootargs.console +++ /dev/null @@ -1 +0,0 @@ -console=ttymxc0,115200 diff --git a/arch/arm/boards/kindle3/env/nv/linux.bootargs.lpj b/arch/arm/boards/kindle3/env/nv/linux.bootargs.lpj deleted file mode 100644 index aa3ba59e55..0000000000 --- a/arch/arm/boards/kindle3/env/nv/linux.bootargs.lpj +++ /dev/null @@ -1 +0,0 @@ -lpj=2555904 diff --git a/arch/arm/boards/kindle3/flash-header.imxcfg b/arch/arm/boards/kindle3/flash-header.imxcfg deleted file mode 100644 index 74b65d6a5c..0000000000 --- a/arch/arm/boards/kindle3/flash-header.imxcfg +++ /dev/null @@ -1,24 +0,0 @@ -soc imx35 -loadaddr 0x87eff400 -ivtofs 0x400 - -wm 32 0x53f80004 0x00821000 -wm 32 0x53f80004 0x00821000 -wm 32 0xb8001010 0x00000002 -wm 32 0xb8001010 0x00000004 -wm 32 0xb8001004 0x0019672f -wm 32 0xb8001000 0x93100000 -wm 8 0x80000400 0xda -wm 32 0xb8001000 0xa3100000 -wm 32 0x80000000 0x12344321 -wm 32 0x80000000 0x12344321 -wm 32 0xb8001000 0xb3100000 -wm 8 0x80000033 0xda -wm 8 0x82000000 0xff -wm 32 0xb8001000 0x83226080 -wm 32 0xb8001010 0x0000000c -wm 32 0x80000000 0xdeadbeef -wm 32 0xb8001030 0x00e78000 -wm 32 0x43fac004 0x00000004 -wm 32 0x43fac328 0x00002100 -wm 32 0x43fac7d0 0x00000000 diff --git a/arch/arm/boards/kindle3/kindle3.c b/arch/arm/boards/kindle3/kindle3.c deleted file mode 100644 index a593dc424d..0000000000 --- a/arch/arm/boards/kindle3/kindle3.c +++ /dev/null @@ -1,304 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -// SPDX-FileCopyrightText: 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix -// SPDX-FileCopyrightText: 2016 Alexander Kurz <akurz@blala.de> - -/* Board support for the Amazon Kindle 3rd generation */ - -#include <common.h> -#include <command.h> -#include <driver.h> -#include <init.h> -#include <bootsource.h> -#include <io.h> -#include <environment.h> -#include <generated/mach-types.h> -#include <asm/armlinux.h> -#include <asm/mmu.h> -#include <asm/setup.h> -#include <mach/imx35-regs.h> -#include <mach/imx-pll.h> -#include <mach/iomux-mx35.h> -#include <mach/devices-imx35.h> -#include <mach/generic.h> -#include <usb/fsl_usb2.h> -#include <mach/usb.h> -#include <mach/spi.h> -#include <spi/spi.h> -#include <magicvar.h> - -/* 16 byte id for serial number */ -#define ATAG_SERIAL16 0x5441000a -/* 16 byte id for a board revision */ -#define ATAG_REVISION16 0x5441000b - -struct char16_tag { - char data[16]; -}; - -static struct tag *setup_16char_tag(struct tag *params, uint32_t tag, - const char *value) -{ - struct char16_tag *target; - target = ((void *) params) + sizeof(struct tag_header); - params->hdr.tag = tag; - params->hdr.size = tag_size(char16_tag); - memcpy(target->data, value, sizeof target->data); - return tag_next(params); -} - -static const char *get_env_16char_tag(const char *tag) -{ - static const char *default16 = "0000000000000000"; - const char *value; - value = getenv(tag); - if (!value) { - printf("env var %s not found, using default\n", tag); - return default16; - } - if (strlen(value) != 16) { - printf("env var %s: expecting 16 characters, using default\n", - tag); - return default16; - } - printf("%s: %s\n", tag, value); - return value; -} - -BAREBOX_MAGICVAR(global.board.serial16, - "Pass the kindle Serial as vendor-specific ATAG to linux"); -BAREBOX_MAGICVAR(global.board.revision16, - "Pass the kindle BoardId as vendor-specific ATAG to linux"); - -/* The Kindle3 Kernel expects two custom ATAGs, ATAG_REVISION16 describing - * the board and ATAG_SERIAL16 to identify the individual device. - */ -static struct tag *kindle3_append_atags(struct tag *params) -{ - params = setup_16char_tag(params, ATAG_SERIAL16, - get_env_16char_tag("global.board.serial16")); - params = setup_16char_tag(params, ATAG_REVISION16, - get_env_16char_tag("global.board.revision16")); - return params; -} - -static struct fsl_usb2_platform_data kindle3_usb_info = { - .operating_mode = FSL_USB2_DR_DEVICE, - .phy_mode = FSL_USB2_PHY_UTMI, -}; - -/* SPI master devices. */ -static int kindle3_spi0_internal_chipselect[] = { - IMX_GPIO_NR(1, 18), -}; - -static struct spi_imx_master kindle3_spi0_info = { - .chipselect = kindle3_spi0_internal_chipselect, - .num_chipselect = ARRAY_SIZE(kindle3_spi0_internal_chipselect), -}; - -static const struct spi_board_info kindle3_spi_board_info[] = { - { - .name = "mc13892", - .bus_num = 0, - .chip_select = 0, - .mode = SPI_CS_HIGH, - }, -}; - -static int kindle3_mmu_init(void) -{ - l2x0_init((void __iomem *)0x30000000, 0x00030024, 0x00000000); - - return 0; -} -postmmu_initcall(kindle3_mmu_init); - -static int kindle3_devices_init(void) -{ - imx35_add_mmc0(NULL); - - if (IS_ENABLED(CONFIG_USB_GADGET)) { - unsigned int tmp; - /* Workaround ENGcm09152 */ - tmp = readl(MX35_USB_OTG_BASE_ADDR + 0x608); - writel(tmp | (1 << 23), MX35_USB_OTG_BASE_ADDR + 0x608); - add_generic_device("fsl-udc", DEVICE_ID_DYNAMIC, NULL, - MX35_USB_OTG_BASE_ADDR, 0x200, - IORESOURCE_MEM, &kindle3_usb_info); - } - - /* The kindle3 related linux patch published by amazon bluntly - * renamed MACH_MX35_3DS to MACH_MX35_LUIGI - */ - armlinux_set_architecture(MACH_TYPE_MX35_3DS); - - /* Compatibility ATAGs for original kernel */ - armlinux_set_atag_appender(kindle3_append_atags); - return 0; -} -device_initcall(kindle3_devices_init); - -#define FIVEWAY_PAD_CTL (PAD_CTL_PUS_100K_UP | PAD_CTL_HYS | PAD_CTL_DVS) -static iomux_v3_cfg_t kindle3_pads[] = { - /* UART1 */ - MX35_PAD_RXD1__UART1_RXD_MUX, - MX35_PAD_TXD1__UART1_TXD_MUX, - - /* eMMC */ - MX35_PAD_SD1_CMD__ESDHC1_CMD, - MX35_PAD_SD1_CLK__ESDHC1_CLK, - MX35_PAD_SD1_DATA0__ESDHC1_DAT0, - MX35_PAD_SD1_DATA1__ESDHC1_DAT1, - MX35_PAD_SD1_DATA2__ESDHC1_DAT2, - MX35_PAD_SD1_DATA3__ESDHC1_DAT3, - - /* USB */ - MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR, - MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC, - - /* I2C 1+2 */ - MX35_PAD_I2C1_CLK__I2C1_SCL, - MX35_PAD_I2C1_DAT__I2C1_SDA, - MX35_PAD_I2C2_CLK__I2C2_SCL, - MX35_PAD_I2C2_DAT__I2C2_SDA, - - /* SPI */ - MX35_PAD_CSPI1_SS0__GPIO1_18, - MX35_PAD_CSPI1_SCLK__CSPI1_SCLK, - MX35_PAD_CSPI1_MOSI__CSPI1_MOSI, - MX35_PAD_CSPI1_MISO__CSPI1_MISO, - MX35_PAD_CSPI1_SPI_RDY__CSPI1_RDY, - - /* fiveway device: up, down, left, right, select */ - IOMUX_PAD(0x718, 0x2b4, 5, 0x8b4, 1, FIVEWAY_PAD_CTL), - IOMUX_PAD(0x71c, 0x2b8, 5, 0x8b8, 1, FIVEWAY_PAD_CTL), - IOMUX_PAD(0x59c, 0x158, 5, 0x830, 0, FIVEWAY_PAD_CTL), - IOMUX_PAD(0x724, 0x2c0, 5, 0x8c4, 1, FIVEWAY_PAD_CTL), - IOMUX_PAD(0x728, 0x2c4, 5, 0x8c8, 1, FIVEWAY_PAD_CTL), - - /* Volume keys: up, down */ - MX35_PAD_SCKR__GPIO1_4, - MX35_PAD_FSR__GPIO1_5, - -}; - -static int kindle3_part_init(void) -{ - devfs_add_partition("disk0", SZ_1K, 2 * SZ_1K, - DEVFS_PARTITION_FIXED, "disk0.imx_header"); - devfs_add_partition("disk0", 4 * SZ_1K, (192 - 1) * SZ_1K, - DEVFS_PARTITION_FIXED, "disk0.self"); - devfs_add_partition("disk0", (192 + 3) * SZ_1K, SZ_64K, - DEVFS_PARTITION_FIXED, "env0"); - devfs_add_partition("disk0", (256 + 3) * SZ_1K, SZ_1K, - DEVFS_PARTITION_FIXED, "disk0.serial"); - devfs_add_partition("disk0", (256 + 4) * SZ_1K, 3407872, - DEVFS_PARTITION_FIXED, "disk0.kernel"); - devfs_add_partition("disk0", 3674112, SZ_256K, - DEVFS_PARTITION_FIXED, "disk0.waveform"); - return 0; -} - -late_initcall(kindle3_part_init); - -static int imx35_console_init(void) -{ - mxc_iomux_v3_setup_multiple_pads(kindle3_pads, - ARRAY_SIZE(kindle3_pads)); - - barebox_set_model("Kindle3"); - barebox_set_hostname("kindle3"); - - imx35_add_uart0(); - - spi_register_board_info(kindle3_spi_board_info, - ARRAY_SIZE(kindle3_spi_board_info)); - imx35_add_spi0(&kindle3_spi0_info); - - imx35_add_i2c0(NULL); - imx35_add_i2c1(NULL); - return 0; -} -console_initcall(imx35_console_init); - -static int kindle3_core_setup(void) -{ - u32 tmp; - - /* AIPS setup - Only setup MPROTx registers. - * The PACR default values are good. - */ - /* - * Set all MPROTx to be non-bufferable, trusted for R/W, - * not forced to user-mode. - */ - writel(0x77777777, MX35_AIPS1_BASE_ADDR); - writel(0x77777777, MX35_AIPS1_BASE_ADDR + 0x4); - writel(0x77777777, MX35_AIPS2_BASE_ADDR); - writel(0x77777777, MX35_AIPS2_BASE_ADDR + 0x4); - - /* - * Clear the on and off peripheral modules Supervisor Protect bit - * for SDMA to access them. Did not change the AIPS control registers - * (offset 0x20) access type - */ - writel(0x0, MX35_AIPS1_BASE_ADDR + 0x40); - writel(0x0, MX35_AIPS1_BASE_ADDR + 0x44); - writel(0x0, MX35_AIPS1_BASE_ADDR + 0x48); - writel(0x0, MX35_AIPS1_BASE_ADDR + 0x4C); - tmp = readl(MX35_AIPS1_BASE_ADDR + 0x50); - tmp &= 0x00FFFFFF; - writel(tmp, MX35_AIPS1_BASE_ADDR + 0x50); - - writel(0x0, MX35_AIPS2_BASE_ADDR + 0x40); - writel(0x0, MX35_AIPS2_BASE_ADDR + 0x44); - writel(0x0, MX35_AIPS2_BASE_ADDR + 0x48); - writel(0x0, MX35_AIPS2_BASE_ADDR + 0x4C); - tmp = readl(MX35_AIPS2_BASE_ADDR + 0x50); - tmp &= 0x00FFFFFF; - writel(tmp, MX35_AIPS2_BASE_ADDR + 0x50); - - /* MAX (Multi-Layer AHB Crossbar Switch) setup */ - - /* MPR - priority is M4 > M2 > M3 > M5 > M0 > M1 */ -#define MAX_PARAM1 0x00302154 - writel(MAX_PARAM1, MX35_MAX_BASE_ADDR + 0x0); /* for S0 */ - writel(MAX_PARAM1, MX35_MAX_BASE_ADDR + 0x100); /* for S1 */ - writel(MAX_PARAM1, MX35_MAX_BASE_ADDR + 0x200); /* for S2 */ - writel(MAX_PARAM1, MX35_MAX_BASE_ADDR + 0x300); /* for S3 */ - writel(MAX_PARAM1, MX35_MAX_BASE_ADDR + 0x400); /* for S4 */ - - /* SGPCR - always park on last master */ - writel(0x10, MX35_MAX_BASE_ADDR + 0x10); /* for S0 */ - writel(0x10, MX35_MAX_BASE_ADDR + 0x110); /* for S1 */ - writel(0x10, MX35_MAX_BASE_ADDR + 0x210); /* for S2 */ - writel(0x10, MX35_MAX_BASE_ADDR + 0x310); /* for S3 */ - writel(0x10, MX35_MAX_BASE_ADDR + 0x410); /* for S4 */ - - /* MGPCR - restore default values */ - writel(0x0, MX35_MAX_BASE_ADDR + 0x800); /* for M0 */ - writel(0x0, MX35_MAX_BASE_ADDR + 0x900); /* for M1 */ - writel(0x0, MX35_MAX_BASE_ADDR + 0xa00); /* for M2 */ - writel(0x0, MX35_MAX_BASE_ADDR + 0xb00); /* for M3 */ - writel(0x0, MX35_MAX_BASE_ADDR + 0xc00); /* for M4 */ - writel(0x0, MX35_MAX_BASE_ADDR + 0xd00); /* for M5 */ - - /* - * M3IF Control Register (M3IFCTL) - * MRRP[0] = L2CC0 not on priority list (0 << 0) = 0x00000000 - * MRRP[1] = MAX1 not on priority list (0 << 0) = 0x00000000 - * MRRP[2] = L2CC1 not on priority list (0 << 0) = 0x00000000 - * MRRP[3] = USB not on priority list (0 << 0) = 0x00000000 - * MRRP[4] = SDMA not on priority list (0 << 0) = 0x00000000 - * MRRP[5] = GPU not on priority list (0 << 0) = 0x00000000 - * MRRP[6] = IPU1 on priority list (1 << 6) = 0x00000040 - * MRRP[7] = IPU2 not on priority list (0 << 0) = 0x00000000 - * ------------ - * 0x00000040 - */ - writel(0x40, MX35_M3IF_BASE_ADDR); - - return 0; -} - -core_initcall(kindle3_core_setup); diff --git a/arch/arm/boards/kindle3/lowlevel.c b/arch/arm/boards/kindle3/lowlevel.c deleted file mode 100644 index 251bcf9d42..0000000000 --- a/arch/arm/boards/kindle3/lowlevel.c +++ /dev/null @@ -1,127 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -// SPDX-FileCopyrightText: 2007 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix -// SPDX-FileCopyrightText: 2016 Alexander Kurz <akurz@blala.de> - -#include <common.h> -#include <init.h> -#include <mach/imx35-regs.h> -#include <mach/imx-pll.h> -#include <mach/esdctl.h> -#include <asm/cache-l2x0.h> -#include <io.h> -#include <mach/imx-nand.h> -#include <asm/barebox-arm.h> -#include <asm/barebox-arm-head.h> -#include <asm/sections.h> -#include <asm-generic/memory_layout.h> -#include <asm/system.h> - -void __bare_init __naked barebox_arm_reset_vector(uint32_t r0, uint32_t r1, uint32_t r2) -{ - uint32_t r, s; - unsigned long ccm_base = MX35_CCM_BASE_ADDR; - register uint32_t loops = 0x20000; - - arm_cpu_lowlevel_init(); - - arm_setup_stack(MX35_IRAM_BASE_ADDR + MX35_IRAM_SIZE); - - r = get_cr(); - r |= CR_Z; /* Flow prediction (Z) */ - r |= CR_U; /* unaligned accesses */ - r |= CR_FI; /* Low Int Latency */ - - __asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1" : "=r"(s)); - s |= 0x7; - __asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1" : : "r"(s)); - - set_cr(r); - - r = 0; - __asm__ __volatile__("mcr p15, 0, %0, c15, c2, 4" : : "r"(r)); - - /* - * Branch predicition is now enabled. Flush the BTAC to ensure a valid - * starting point. Don't flush BTAC while it is disabled to avoid - * ARM1136 erratum 408023. - */ - __asm__ __volatile__("mcr p15, 0, %0, c7, c5, 6" : : "r"(r)); - - /* invalidate I cache and D cache */ - __asm__ __volatile__("mcr p15, 0, %0, c7, c7, 0" : : "r"(r)); - - /* invalidate TLBs */ - __asm__ __volatile__("mcr p15, 0, %0, c8, c7, 0" : : "r"(r)); - - /* Drain the write buffer */ - __asm__ __volatile__("mcr p15, 0, %0, c7, c10, 4" : : "r"(r)); - - /* Also setup the Peripheral Port Remap register inside the core */ - r = 0x40000015; /* start from AIPS 2GB region */ - __asm__ __volatile__("mcr p15, 0, %0, c15, c2, 4" : : "r"(r)); - - /* - * End of ARM1136 init - */ - - writel(0x003F4208, ccm_base + MX35_CCM_CCMR); - - /* Set MPLL , arm clock and ahb clock*/ - writel(MPCTL_PARAM_532, ccm_base + MX35_CCM_MPCTL); - - writel(PPCTL_PARAM_300, ccm_base + MX35_CCM_PPCTL); - writel(0x00001000, ccm_base + MX35_CCM_PDR0); - - r = readl(ccm_base + MX35_CCM_CGR0); - r |= 0x3 << MX35_CCM_CGR0_CSPI1_SHIFT; - r |= 0x3 << MX35_CCM_CGR0_EPIT1_SHIFT; - r |= 0x3 << MX35_CCM_CGR0_ESDHC1_SHIFT; - writel(r, ccm_base + MX35_CCM_CGR0); - - r = readl(ccm_base + MX35_CCM_CGR1); - r |= 0x3 << MX35_CCM_CGR1_IOMUX_SHIFT; - r |= 0x3 << MX35_CCM_CGR1_I2C1_SHIFT; - r |= 0x3 << MX35_CCM_CGR1_I2C2_SHIFT; - r |= 0x3 << MX35_CCM_CGR1_GPIO1_SHIFT; - r |= 0x3 << MX35_CCM_CGR1_GPIO2_SHIFT; - writel(r, ccm_base + MX35_CCM_CGR1); - - r = readl(MX35_L2CC_BASE_ADDR + L2X0_AUX_CTRL); - r |= 0x1000; - writel(r, MX35_L2CC_BASE_ADDR + L2X0_AUX_CTRL); - - /* Skip SDRAM initialization if we run from RAM */ - r = get_pc(); - if (r > 0x80000000 && r < 0x90000000) - goto out; - - /* Init Mobile DDR */ - writel(0x0000000E, MX35_ESDCTL_BASE_ADDR + IMX_ESDMISC); - /* ESD_MISC: Enable DDR SDRAM */ - writel(0x00000004, MX35_ESDCTL_BASE_ADDR + IMX_ESDMISC); - __asm__ volatile ("1:\n" - "subs %0, %1, #1\n" - "bne 1b" : "=r" (loops) : "0" (loops)); - - writel(0x0019672f, MX35_ESDCTL_BASE_ADDR + IMX_ESDCFG0); - /* ESD_ESDCTL0 : select Prechare-All mode */ - writel(0x93220000, MX35_ESDCTL_BASE_ADDR + IMX_ESDCTL0); - writeb(0xda, MX35_CSD0_BASE_ADDR + 0x400); - /* ESD_ESDCTL0: Auto Refresh command */ - writel(0xA3220000, MX35_ESDCTL_BASE_ADDR + IMX_ESDCTL0); - writeb(0xda, MX35_CSD0_BASE_ADDR); - writeb(0xda, MX35_CSD0_BASE_ADDR); - /* ESD_ESDCTL0: Load Mode Register */ - writel(0xB3220000, MX35_ESDCTL_BASE_ADDR + IMX_ESDCTL0); - writeb(0xda, MX35_CSD0_BASE_ADDR + 0x33); - writeb(0xff, MX35_CSD0_BASE_ADDR + 0x2000000); - /* ESD_ESDCTL0: enable Auto-Refresh */ - writel(0x83228080, MX35_ESDCTL_BASE_ADDR + IMX_ESDCTL0); - - writel(0x0000000c, MX35_ESDCTL_BASE_ADDR + IMX_ESDMISC); - writel(0xdeadbeef, MX35_CSD0_BASE_ADDR); - writel(0x00e78000, MX35_CSD0_BASE_ADDR + 0x1030); - -out: - imx35_barebox_entry(NULL); -} |