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fdt_fixup: Set mtdids if not present in bootm path

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When bootm is called from uboot command prompt mtdids env is not set.
Set the mtdids env variable to proper value so that kernel can populate
the mtd partitions.

Change-Id: Ibaa7d196fb2fd3163fa14b9128becdad3b6c13f2
Signed-off-by: Prasanna Kumar Thoorvas Samyrao Muralidharan <ptsm@codeaurora.org>
Signed-off-by: Rajkumar Ayyasamy <arajkuma@codeaurora.org>
This commit is contained in:
Prasanna Kumar Thoorvas Samyrao Muralidharan 2019-09-04 10:51:50 +05:30 • committed by Rajkumar Ayyasamy
parent 2e249ffd6b
commit f6379ca513
1 changed files with 37 additions and 0 deletions
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37
board/qca/arm/common/fdt_fixup.c
View file

@ -17,6 +17,7 @@
#include <jffs2/load_kernel.h>
#include <fdtdec.h>
#include <stdlib.h>
#include "fdt_info.h"
DECLARE_GLOBAL_DATA_PTR;
@ -875,6 +876,41 @@ __weak void fdt_fixup_qpic(void *blob)
return;
}
void set_mtdids(void)
{
char mtdids[256];
if (getenv("mtdids") != NULL) {
/* mtdids env is already set, nothing to do */
return;
}
qca_smem_flash_info_t *sfi = &qca_smem_flash_info;
if (sfi->flash_type == SMEM_BOOT_SPI_FLASH) {
if (get_which_flash_param("rootfs") ||
((sfi->flash_secondary_type == SMEM_BOOT_NAND_FLASH) ||
(sfi->flash_secondary_type == SMEM_BOOT_QSPI_NAND_FLASH))) {
snprintf(mtdids, sizeof(mtdids),
"nand%d=nand%d,nand%d=" QCA_SPI_NOR_DEVICE,
is_spi_nand_available(),
is_spi_nand_available(),
CONFIG_SPI_FLASH_INFO_IDX);
} else {
snprintf(mtdids, sizeof(mtdids), "nand%d="
QCA_SPI_NOR_DEVICE, CONFIG_SPI_FLASH_INFO_IDX);
}
setenv("mtdids", mtdids);
} else if (((sfi->flash_type == SMEM_BOOT_NAND_FLASH) ||
(sfi->flash_type == SMEM_BOOT_QSPI_NAND_FLASH))) {
snprintf(mtdids, sizeof(mtdids), "nand0=nand0");
setenv("mtdids", mtdids);
}
}
/*
* For newer kernel that boot with device tree (3.14+), all of memory is
* described in the /memory node, including areas that the kernel should not be
@ -961,6 +997,7 @@ int ft_board_setup(void *blob, bd_t *bd)
setenv("mtdparts", mtdparts);
}
set_mtdids();
debug("MTDIDS: %s\n", getenv("mtdids"));
#ifdef CONFIG_IPQ_TINY
ipq_nor_fdt_fixup(blob, nodes);