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board: add SDHCI support for PIC32MZDASK board.

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Enable MMC, SDHCI, FAT_FS support for PIC32MZ[DA] StarterKit.
Also add custom scripts, rules to boot Linux from microSD card.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
This commit is contained in:
Purna Chandra Mandal
2016-01-28 15:30:19 +05:30
committed by Daniel Schwierzeck
parent 102142c9e0
commit c76eb72c43
4 changed files with 77 additions and 3 deletions
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59
include/configs/pic32mzdask.h
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@@ -46,6 +46,7 @@
#define CONFIG_SYS_LOAD_ADDR 0x88500000 /* default load address */
#define CONFIG_SYS_ENV_ADDR 0x88300000
#define CONFIG_SYS_FDT_ADDR 0x89d00000
/* Memory Test */
#define CONFIG_SYS_MEMTEST_START 0x88000000
@@ -77,6 +78,33 @@
*/
#define CONFIG_OF_LIBFDT 1
/*-----------------------------------------------------------------------
* SDHC Configuration
*/
#define CONFIG_SDHCI
#define CONFIG_MMC
#define CONFIG_GENERIC_MMC
#define CONFIG_CMD_MMC
/*-----------------------------------------------------------------------
* File System Configuration
*/
/* FAT FS */
#define CONFIG_DOS_PARTITION
#define CONFIG_PARTITION_UUIDS
#define CONFIG_SUPPORT_VFAT
#define CONFIG_FS_FAT
#define CONFIG_FAT_WRITE
#define CONFIG_CMD_FS_GENERIC
#define CONFIG_CMD_PART
#define CONFIG_CMD_FAT
/* EXT4 FS */
#define CONFIG_FS_EXT4
#define CONFIG_CMD_EXT2
#define CONFIG_CMD_EXT4
#define CONFIG_CMD_EXT4_WRITE
/* -------------------------------------------------
* Environment
*/
@@ -87,7 +115,34 @@
* Board boot configuration
*/
#define CONFIG_TIMESTAMP /* Print image info with timestamp */
#define CONFIG_BOOTDELAY 5 /* autoboot after X seconds */
#undef CONFIG_BOOTARGS
#define CONFIG_BOOTDELAY 5
#define MEM_LAYOUT_ENV_SETTINGS \
"kernel_addr_r="__stringify(CONFIG_SYS_LOAD_ADDR)"\0" \
"fdt_addr_r="__stringify(CONFIG_SYS_FDT_ADDR)"\0" \
"scriptaddr="__stringify(CONFIG_SYS_ENV_ADDR)"\0"
#define CONFIG_LEGACY_BOOTCMD_ENV \
"legacy_bootcmd= " \
"if load mmc 0 ${scriptaddr} uEnv.txt; then " \
"env import -tr ${scriptaddr} ${filesize}; " \
"if test -n \"${bootcmd_uenv}\" ; then " \
"echo Running bootcmd_uenv ...; " \
"run bootcmd_uenv; " \
"fi; " \
"fi; \0"
#define BOOT_TARGET_DEVICES(func) \
func(MMC, mmc, 0)
#include <config_distro_bootcmd.h>
#define CONFIG_EXTRA_ENV_SETTINGS \
MEM_LAYOUT_ENV_SETTINGS \
CONFIG_LEGACY_BOOTCMD_ENV \
BOOTENV
#undef CONFIG_BOOTCOMMAND
#define CONFIG_BOOTCOMMAND "run distro_bootcmd || run legacy_bootcmd"
#endif /* __PIC32MZDASK_CONFIG_H */