mirror of
https://github.com/AsahiLinux/u-boot
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7d514a7407
This adds ethernet, TFTP support for PIC32MZ[DA] Starter Kit. Also custom environment variables/scripts are added to help boot from network. Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
168 lines
4.6 KiB
C
168 lines
4.6 KiB
C
/*
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* (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*
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* Microchip PIC32MZ[DA] Starter Kit.
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*/
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#ifndef __PIC32MZDASK_CONFIG_H
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#define __PIC32MZDASK_CONFIG_H
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/* System Configuration */
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#define CONFIG_SYS_TEXT_BASE 0x9d004000 /* .text */
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#define CONFIG_DISPLAY_BOARDINFO
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/*--------------------------------------------
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* CPU configuration
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*/
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/* CPU Timer rate */
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#define CONFIG_SYS_MIPS_TIMER_FREQ 100000000
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/* Cache Configuration */
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#define CONFIG_SYS_MIPS_CACHE_MODE CONF_CM_CACHABLE_NONCOHERENT
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/*----------------------------------------------------------------------
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* Memory Layout
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*/
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#define CONFIG_SYS_SRAM_BASE 0x80000000
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#define CONFIG_SYS_SRAM_SIZE 0x00080000 /* 512K */
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/* Initial RAM for temporary stack, global data */
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#define CONFIG_SYS_INIT_RAM_SIZE 0x10000
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#define CONFIG_SYS_INIT_RAM_ADDR \
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(CONFIG_SYS_SRAM_BASE + CONFIG_SYS_SRAM_SIZE - CONFIG_SYS_INIT_RAM_SIZE)
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#define CONFIG_SYS_INIT_SP_ADDR \
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(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_SIZE - 1)
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/* SDRAM Configuration (for final code, data, stack, heap) */
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#define CONFIG_SYS_SDRAM_BASE 0x88000000
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#define CONFIG_SYS_MALLOC_LEN (256 << 10)
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#define CONFIG_SYS_BOOTPARAMS_LEN (4 << 10)
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#define CONFIG_STACKSIZE (4 << 10) /* regular stack */
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#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_TEXT_BASE
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#define CONFIG_SYS_MONITOR_LEN (192 << 10)
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#define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */
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#define CONFIG_SYS_ENV_ADDR 0x88300000
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#define CONFIG_SYS_FDT_ADDR 0x89d00000
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/* Memory Test */
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#define CONFIG_SYS_MEMTEST_START 0x88000000
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#define CONFIG_SYS_MEMTEST_END 0x88080000
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/*----------------------------------------------------------------------
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* Commands
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*/
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#define CONFIG_SYS_LONGHELP /* undef to save memory */
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#define CONFIG_CMD_CLK
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/*-------------------------------------------------
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* FLASH configuration
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*/
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#define CONFIG_SYS_NO_FLASH
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/*------------------------------------------------------------
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* Console Configuration
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*/
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#define CONFIG_BAUDRATE 115200
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#define CONFIG_SYS_CBSIZE 1024 /* Console I/O Buffer Size */
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#define CONFIG_SYS_MAXARGS 16 /* max number of command args*/
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#define CONFIG_SYS_PBSIZE \
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(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
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#define CONFIG_CMDLINE_EDITING 1
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/*-----------------------------------------------------------------------
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* Networking Configuration
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*/
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#define CONFIG_MII
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#define CONFIG_PHY_SMSC
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#define CONFIG_SYS_RX_ETH_BUFFER 8
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#define CONFIG_NET_RETRY_COUNT 20
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#define CONFIG_ARP_TIMEOUT 500 /* millisec */
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#define CONFIG_CMD_MII
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/*
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* BOOTP options
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*/
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#define CONFIG_BOOTP_BOOTFILESIZE
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#define CONFIG_BOOTP_BOOTPATH
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#define CONFIG_BOOTP_GATEWAY
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#define CONFIG_BOOTP_HOSTNAME
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/*
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* Handover flattened device tree (dtb file) to Linux kernel
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*/
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#define CONFIG_OF_LIBFDT 1
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/*-----------------------------------------------------------------------
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* SDHC Configuration
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*/
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#define CONFIG_SDHCI
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#define CONFIG_MMC
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#define CONFIG_GENERIC_MMC
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#define CONFIG_CMD_MMC
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/*-----------------------------------------------------------------------
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* File System Configuration
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*/
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/* FAT FS */
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#define CONFIG_DOS_PARTITION
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#define CONFIG_PARTITION_UUIDS
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#define CONFIG_SUPPORT_VFAT
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#define CONFIG_FS_FAT
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#define CONFIG_FAT_WRITE
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#define CONFIG_CMD_FS_GENERIC
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#define CONFIG_CMD_PART
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#define CONFIG_CMD_FAT
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/* EXT4 FS */
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#define CONFIG_FS_EXT4
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#define CONFIG_CMD_EXT2
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#define CONFIG_CMD_EXT4
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#define CONFIG_CMD_EXT4_WRITE
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/* -------------------------------------------------
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* Environment
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*/
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#define CONFIG_ENV_IS_NOWHERE 1
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#define CONFIG_ENV_SIZE 0x4000
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/* ---------------------------------------------------------------------
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* Board boot configuration
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*/
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#define CONFIG_TIMESTAMP /* Print image info with timestamp */
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#define CONFIG_BOOTDELAY 5
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#define MEM_LAYOUT_ENV_SETTINGS \
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"kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \
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"fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \
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"scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0"
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#define CONFIG_LEGACY_BOOTCMD_ENV \
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"legacy_bootcmd= " \
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"if load mmc 0 ${scriptaddr} uEnv.txt; then " \
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"env import -tr ${scriptaddr} ${filesize}; " \
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"if test -n \"${bootcmd_uenv}\" ; then " \
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"echo Running bootcmd_uenv ...; " \
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"run bootcmd_uenv; " \
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"fi; " \
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"fi; \0"
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#define BOOT_TARGET_DEVICES(func) \
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func(MMC, mmc, 0) \
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func(DHCP, dhcp, na)
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#include <config_distro_bootcmd.h>
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#define CONFIG_EXTRA_ENV_SETTINGS \
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MEM_LAYOUT_ENV_SETTINGS \
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CONFIG_LEGACY_BOOTCMD_ENV \
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BOOTENV
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#undef CONFIG_BOOTCOMMAND
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#define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd"
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#endif /* __PIC32MZDASK_CONFIG_H */
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