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author | Fabio Estevam <festevam@gmail.com> | 2019-06-10 22:24:12 -0300 |
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committer | Stefano Babic <sbabic@denx.de> | 2019-10-08 16:35:59 +0200 |
commit | 004eee86f1181f712345370163baa0d158716196 (patch) | |
tree | a882aed8d3a418c633d3c4a277d2e3190cc7c354 /include/configs | |
parent | b8bffab76fcde37fba3a2d4afcb8dbaa7c5c08d8 (diff) | |
download | u-boot-004eee86f1181f712345370163baa0d158716196.tar.gz u-boot-004eee86f1181f712345370163baa0d158716196.tar.xz u-boot-004eee86f1181f712345370163baa0d158716196.zip |
pico-imx6: Add initial support
Add the initial support for the pico-imx6 variants.
DDR initialization is based on the TechNexion's U-Boot code.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Diffstat (limited to 'include/configs')
-rw-r--r-- | include/configs/pico-imx6.h | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/include/configs/pico-imx6.h b/include/configs/pico-imx6.h new file mode 100644 index 0000000000..2ea50f5488 --- /dev/null +++ b/include/configs/pico-imx6.h @@ -0,0 +1,130 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2013 Freescale Semiconductor, Inc. + * + * Configuration settings for the pico-imx6 board. + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#include "mx6_common.h" + +#include "imx6_spl.h" + +/* Size of malloc() pool */ +#define CONFIG_SYS_MALLOC_LEN (35 * SZ_1M) /* Increase due to DFU */ + +#define CONFIG_MXC_UART +#define CONFIG_MXC_UART_BASE UART1_BASE + +#define CONFIG_SYS_MEMTEST_START 0x10000000 +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 500 * SZ_1M) + +/* MMC Configuration */ +#define CONFIG_SYS_FSL_ESDHC_ADDR USDHC3_BASE_ADDR +#define CONFIG_SUPPORT_EMMC_BOOT +#define CONFIG_SYS_FSL_ESDHC_HAS_DDR_MODE + +/* USB Configs */ +#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW) +#define CONFIG_MXC_USB_FLAGS 0 + +#define CONFIG_SYS_DFU_DATA_BUF_SIZE SZ_16M +#define DFU_DEFAULT_POLL_TIMEOUT 300 + +#define CONFIG_DFU_ENV_SETTINGS \ + "dfu_alt_info=" \ + "spl raw 0x2 0x400;" \ + "u-boot raw 0x8a 0x1000;" \ + "/boot/zImage ext4 0 1;" \ + "rootfs part 0 1\0" \ + +#define BOOTMENU_ENV \ + "bootmenu_0=Boot using PICO-Hobbit baseboard=" \ + "setenv baseboard hobbit\0" \ + "bootmenu_1=Boot using PICO-Pi baseboard=" \ + "setenv baseboard pi\0" \ + "bootmenu_2=Boot using PICO-Dwarf baseboard=" \ + "setenv baseboard dwarf\0" \ + "bootmenu_3=Boot using PICO-Nymph baseboard=" \ + "setenv baseboard nymph\0" \ + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "console=ttymxc0\0" \ + "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \ + BOOTMENU_ENV \ + "fdt_high=0xffffffff\0" \ + "initrd_high=0xffffffff\0" \ + "fdt_addr_r=0x18000000\0" \ + "fdt_addr=0x18000000\0" \ + "mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \ + CONFIG_DFU_ENV_SETTINGS \ + "finduuid=part uuid mmc 0:1 uuid\0" \ + "findbaseboard=" \ + "if test $baseboard = ask ; then " \ + "bootmenu -1; fi;" \ + "if test $baseboard != ask ; then " \ + "saveenv; fi;\0" \ + "findfdt="\ + "if test $baseboard = hobbit && test $board_rev = MX6Q ; then " \ + "setenv fdtfile imx6q-pico-hobbit.dtb; fi; " \ + "if test $baseboard = pi && test $board_rev = MX6Q ; then " \ + "setenv fdtfile imx6q-pico-pi.dtb; fi; " \ + "if test $baseboard = dwarf && test $board_rev = MX6Q ; then " \ + "setenv fdtfile imx6q-pico-dwarf.dtb; fi; " \ + "if test $baseboard = nymph && test $board_rev = MX6Q ; then " \ + "setenv fdtfile imx6q-pico-nymph.dtb; fi; " \ + "if test $baseboard = hobbit && test $board_rev = MX6DL ; then " \ + "setenv fdtfile imx6dl-pico-hobbit.dtb; fi; " \ + "if test $baseboard = pi && test $board_rev = MX6DL ; then " \ + "setenv fdtfile imx6dl-pico-pi.dtb; fi; " \ + "if test $baseboard = dwarf && test $board_rev = MX6DL ; then " \ + "setenv fdtfile imx6dl-pico-dwarf.dtb; fi; " \ + "if test $baseboard = nymph && test $board_rev = MX6DL ; then " \ + "setenv fdtfile imx6dl-pico-nymph.dtb; fi; " \ + "if test $fdtfile = ask; then " \ + "echo WARNING: Could not determine dtb to use; fi; \0" \ + "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \ + "pxefile_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \ + "ramdisk_addr_r=0x13000000\0" \ + "ramdiskaddr=0x13000000\0" \ + "scriptaddr=" __stringify(CONFIG_LOADADDR) "\0" \ + BOOTENV + +#define BOOT_TARGET_DEVICES(func) \ + func(MMC, mmc, 0) \ + func(USB, usb, 0) + +#include <config_distro_bootcmd.h> + +/* Physical Memory Map */ +#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR + +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM +#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR +#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE + +#define CONFIG_SYS_INIT_SP_OFFSET \ + (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_ADDR \ + (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) + +/* Environment organization */ +#define CONFIG_ENV_SIZE (8 * 1024) + +/* Environment starts at 768k = 768 * 1024 = 786432 */ +#define CONFIG_ENV_OFFSET 786432 +/* + * Detect overlap between U-Boot image and environment area in build-time + * + * CONFIG_BOARD_SIZE_LIMIT = CONFIG_ENV_OFFSET - u-boot.img offset + * CONFIG_BOARD_SIZE_LIMIT = 768k - 69k = 699k = 715776 + * + * Currently CONFIG_BOARD_SIZE_LIMIT does not handle expressions, so + * write the direct value here + */ +#define CONFIG_BOARD_SIZE_LIMIT 715776 +#define CONFIG_SYS_MMC_ENV_DEV 0 + +#endif /* __CONFIG_H * */ |