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ARM: env: qca: Update parameters for mmc env patition

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This change adds mmc init code to update mmc env parameters
such as env offset and size in case of env is in mmc.

Change-Id: I27b5a68b47cab8090ad1a56d452b3211d92d1e21
Signed-off-by: Gokul Sriram Palanisamy <gpalan@codeaurora.org>
This commit is contained in:
Gokul Sriram Palanisamy 2017-03-29 21:26:49 +05:30
parent c61f26e363
commit e697c8f7e2
1 changed files with 41 additions and 0 deletions
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41
board/qca/arm/ipq807x/ipq807x.c
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@ -19,6 +19,7 @@
#include <asm/arch-qca-common/qpic_nand.h>
#include <asm/arch-qca-common/gpio.h>
#include <asm/arch-qca-common/uart.h>
#include <asm/arch-qca-common/smem.h>
#include <fdtdec.h>
@ -26,6 +27,10 @@ DECLARE_GLOBAL_DATA_PTR;
qca_mmc mmc_host;
extern loff_t board_env_offset;
extern loff_t board_env_range;
extern loff_t board_env_size;
extern int ipq_spi_init(u16);
extern int ipq807x_edma_init(void *cfg);
@ -118,9 +123,41 @@ int board_eth_init(bd_t *bis)
return ret;
}
int board_mmc_env_init(void)
{
block_dev_desc_t *blk_dev;
disk_partition_t disk_info;
int ret;
if (mmc_init(mmc_host.mmc)) {
/* The HS mode command(cmd6) is getting timed out. So mmc card
* is not getting initialized properly. Since the env partition
* is not visible, the env default values are writing into the
* default partition (start of the mmc device).
* So do a reset again.
*/
if (mmc_init(mmc_host.mmc)) {
printf("MMC init failed \n");
return -1;
}
}
blk_dev = mmc_get_dev(mmc_host.dev_num);
ret = get_partition_info_efi_by_name(blk_dev,
"0:APPSBLENV", &disk_info);
if (ret == 0) {
board_env_offset = disk_info.start * disk_info.blksz;
board_env_size = disk_info.size * disk_info.blksz;
board_env_range = board_env_size;
BUG_ON(board_env_size > CONFIG_ENV_SIZE_MAX);
}
return ret;
}
int board_mmc_init(bd_t *bis)
{
int ret;
qca_smem_flash_info_t *sfi = &qca_smem_flash_info;
mmc_host.base = MSM_SDC1_BASE;
mmc_host.clk_mode = MMC_IDENTIFY_MODE;
@ -128,6 +165,10 @@ int board_mmc_init(bd_t *bis)
ret = qca_mmc_init(bis, &mmc_host);
if (!ret && sfi->flash_type == SMEM_BOOT_MMC_FLASH) {
ret = board_mmc_env_init();
}
return ret;
}