diff options
Diffstat (limited to 'arch/arm/boards/kindle3/kindle3.c')
| -rw-r--r-- | arch/arm/boards/kindle3/kindle3.c | 318 |
1 files changed, 0 insertions, 318 deletions
diff --git a/arch/arm/boards/kindle3/kindle3.c b/arch/arm/boards/kindle3/kindle3.c deleted file mode 100644 index 1d966ff55a..0000000000 --- a/arch/arm/boards/kindle3/kindle3.c +++ /dev/null @@ -1,318 +0,0 @@ -/* - * (C) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> - * (C) 2016 Alexander Kurz <akurz@blala.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * 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_NAMED(global_atags_serial16, global.board.serial16, - "Pass the kindle Serial as vendor-specific ATAG to linux"); -BAREBOX_MAGICVAR_NAMED(global_atags_revision16, 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); |