mirror of
https://github.com/AsahiLinux/u-boot
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004eee86f1
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>
130 lines
4.1 KiB
C
130 lines
4.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2013 Freescale Semiconductor, Inc.
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*
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* Configuration settings for the pico-imx6 board.
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*/
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#ifndef __CONFIG_H
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#define __CONFIG_H
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#include "mx6_common.h"
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#include "imx6_spl.h"
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/* Size of malloc() pool */
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#define CONFIG_SYS_MALLOC_LEN (35 * SZ_1M) /* Increase due to DFU */
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#define CONFIG_MXC_UART
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#define CONFIG_MXC_UART_BASE UART1_BASE
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#define CONFIG_SYS_MEMTEST_START 0x10000000
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#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 500 * SZ_1M)
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/* MMC Configuration */
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#define CONFIG_SYS_FSL_ESDHC_ADDR USDHC3_BASE_ADDR
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#define CONFIG_SUPPORT_EMMC_BOOT
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#define CONFIG_SYS_FSL_ESDHC_HAS_DDR_MODE
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/* USB Configs */
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#define CONFIG_MXC_USB_PORTSC (PORT_PTS_UTMI | PORT_PTS_PTW)
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#define CONFIG_MXC_USB_FLAGS 0
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#define CONFIG_SYS_DFU_DATA_BUF_SIZE SZ_16M
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#define DFU_DEFAULT_POLL_TIMEOUT 300
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#define CONFIG_DFU_ENV_SETTINGS \
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"dfu_alt_info=" \
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"spl raw 0x2 0x400;" \
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"u-boot raw 0x8a 0x1000;" \
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"/boot/zImage ext4 0 1;" \
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"rootfs part 0 1\0" \
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#define BOOTMENU_ENV \
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"bootmenu_0=Boot using PICO-Hobbit baseboard=" \
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"setenv baseboard hobbit\0" \
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"bootmenu_1=Boot using PICO-Pi baseboard=" \
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"setenv baseboard pi\0" \
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"bootmenu_2=Boot using PICO-Dwarf baseboard=" \
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"setenv baseboard dwarf\0" \
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"bootmenu_3=Boot using PICO-Nymph baseboard=" \
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"setenv baseboard nymph\0" \
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#define CONFIG_EXTRA_ENV_SETTINGS \
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"console=ttymxc0\0" \
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"fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
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BOOTMENU_ENV \
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"fdt_high=0xffffffff\0" \
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"initrd_high=0xffffffff\0" \
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"fdt_addr_r=0x18000000\0" \
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"fdt_addr=0x18000000\0" \
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"mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
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CONFIG_DFU_ENV_SETTINGS \
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"finduuid=part uuid mmc 0:1 uuid\0" \
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"findbaseboard=" \
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"if test $baseboard = ask ; then " \
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"bootmenu -1; fi;" \
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"if test $baseboard != ask ; then " \
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"saveenv; fi;\0" \
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"findfdt="\
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"if test $baseboard = hobbit && test $board_rev = MX6Q ; then " \
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"setenv fdtfile imx6q-pico-hobbit.dtb; fi; " \
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"if test $baseboard = pi && test $board_rev = MX6Q ; then " \
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"setenv fdtfile imx6q-pico-pi.dtb; fi; " \
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"if test $baseboard = dwarf && test $board_rev = MX6Q ; then " \
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"setenv fdtfile imx6q-pico-dwarf.dtb; fi; " \
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"if test $baseboard = nymph && test $board_rev = MX6Q ; then " \
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"setenv fdtfile imx6q-pico-nymph.dtb; fi; " \
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"if test $baseboard = hobbit && test $board_rev = MX6DL ; then " \
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"setenv fdtfile imx6dl-pico-hobbit.dtb; fi; " \
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"if test $baseboard = pi && test $board_rev = MX6DL ; then " \
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"setenv fdtfile imx6dl-pico-pi.dtb; fi; " \
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"if test $baseboard = dwarf && test $board_rev = MX6DL ; then " \
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"setenv fdtfile imx6dl-pico-dwarf.dtb; fi; " \
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"if test $baseboard = nymph && test $board_rev = MX6DL ; then " \
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"setenv fdtfile imx6dl-pico-nymph.dtb; fi; " \
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"if test $fdtfile = ask; then " \
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"echo WARNING: Could not determine dtb to use; fi; \0" \
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"kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
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"pxefile_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
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"ramdisk_addr_r=0x13000000\0" \
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"ramdiskaddr=0x13000000\0" \
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"scriptaddr=" __stringify(CONFIG_LOADADDR) "\0" \
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BOOTENV
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#define BOOT_TARGET_DEVICES(func) \
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func(MMC, mmc, 0) \
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func(USB, usb, 0)
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#include <config_distro_bootcmd.h>
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/* Physical Memory Map */
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#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR
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#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM
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#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR
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#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE
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#define CONFIG_SYS_INIT_SP_OFFSET \
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(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
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#define CONFIG_SYS_INIT_SP_ADDR \
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(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
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/* Environment organization */
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#define CONFIG_ENV_SIZE (8 * 1024)
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/* Environment starts at 768k = 768 * 1024 = 786432 */
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#define CONFIG_ENV_OFFSET 786432
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/*
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* Detect overlap between U-Boot image and environment area in build-time
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*
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* CONFIG_BOARD_SIZE_LIMIT = CONFIG_ENV_OFFSET - u-boot.img offset
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* CONFIG_BOARD_SIZE_LIMIT = 768k - 69k = 699k = 715776
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*
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* Currently CONFIG_BOARD_SIZE_LIMIT does not handle expressions, so
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* write the direct value here
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*/
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#define CONFIG_BOARD_SIZE_LIMIT 715776
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#define CONFIG_SYS_MMC_ENV_DEV 0
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#endif /* __CONFIG_H * */
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