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ipq807x: Add SMEM_SPI_ADDR_LEN support for SPI flash

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This SMEM type is to determine the spi flash addr is in 3 byte
or 4 byte.

Change-Id: I705a9c5c6f760b93e112a873ead41cd76520501b
Signed-off-by: Sham Muthayyan <smuthayy@codeaurora.org>
This commit is contained in:
Sham Muthayyan 2017-10-24 22:04:09 +05:30
parent a6333cab32
commit 921da8d0b2
3 changed files with 23 additions and 2 deletions
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19
arch/arm/cpu/armv7/qca/common/smem.c
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@ -253,6 +253,25 @@ unsigned int get_rootfs_active_partition(void)
return 0; /* alt partition not available */
}
/*
* To determine the spi flash addr is in 3 byte
* or 4 byte.
*/
unsigned int get_smem_spi_addr_len(void)
{
int ret;
uint32_t spi_flash_addr_len;
ret = smem_read_alloc_entry(SMEM_SPI_FLASH_ADDR_LEN,
&spi_flash_addr_len, sizeof(uint32_t));
if (ret != 0) {
printf("smem: read spi flash address len failed\n");
spi_flash_addr_len = 0;
}
return spi_flash_addr_len;
}
unsigned int get_partition_table_offset(void)
{
int ret;

1
arch/arm/include/asm/arch-qca-common/smem.h
View file

@ -144,6 +144,7 @@ typedef struct
extern qca_smem_bootconfig_info_t qca_smem_bootconfig_info;
int smem_bootconfig_info(void);
unsigned int get_smem_spi_addr_len(void);
unsigned int get_rootfs_active_partition(void);
unsigned int get_mibib_active_partition(void);
void qca_smem_part_to_mtdparts(char *mtdid);

5
board/qca/arm/ipq807x/ipq807x.h
View file

@ -223,9 +223,10 @@ typedef enum {
SMEM_BOOT_FLASH_DENSITY = 502,
SMEM_BOOT_DUALPARTINFO = 503,
SMEM_PARTITION_TABLE_OFFSET = 504,
SMEM_SPI_FLASH_ADDR_LEN = 505,
SMEM_FIRST_VALID_TYPE = SMEM_SPINLOCK_ARRAY,
SMEM_LAST_VALID_TYPE = SMEM_PARTITION_TABLE_OFFSET,
SMEM_MAX_SIZE = SMEM_PARTITION_TABLE_OFFSET + 1,
SMEM_LAST_VALID_TYPE = SMEM_SPI_FLASH_ADDR_LEN,
SMEM_MAX_SIZE = SMEM_SPI_FLASH_ADDR_LEN + 1,
} smem_mem_type_t;
/* Reserved-memory node names*/