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armv8: ls1046afrwy: Fix get_board_version implementation

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Current implementation to get board version through GPIO is
broken due to endianness issue hence it is not working for rev B
board.
Fix it to make it work for Rev A as well as Rev B boards

Signed-off-by: Pramod Kumar <pramod.kumar_1@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
This commit is contained in:
Pramod Kumar 2019-12-19 10:28:57 +00:00 committed by Priyanka Jain
parent 5d168adf2b
commit f5d7a46f36
1 changed files with 8 additions and 3 deletions
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11
board/freescale/ls1046afrwy/ls1046afrwy.c
View File

@ -24,7 +24,8 @@
#define LS1046A_PORSR1_REG 0x1EE0000
#define BOOT_SRC_SD 0x20000000
#define BOOT_SRC_MASK 0xFF800000
#define BOARD_REV_GPIO 13
#define BOARD_REV_GPIO_SHIFT 17
#define BOARD_REV_MASK 0x03
#define USB2_SEL_MASK 0x00000100
#define BYTE_SWAP_32(word) ((((word) & 0xff000000) >> 24) | \
@ -87,10 +88,14 @@ int board_early_init_f(void)
static inline uint8_t get_board_version(void)
{
u8 val;
struct ccsr_gpio *pgpio = (void *)(GPIO2_BASE_ADDR);
val = (in_le32(&pgpio->gpdat) >> BOARD_REV_GPIO) & 0x03;
/* GPIO 13 and GPIO 14 are used for Board Rev */
u32 gpio_val = ((in_be32(&pgpio->gpdat) >> BOARD_REV_GPIO_SHIFT))
& BOARD_REV_MASK;
/* GPIOs' are 0..31 in Big Endiness, swap GPIO 13 and GPIO 14 */
u8 val = ((gpio_val >> 1) | (gpio_val << 1)) & BOARD_REV_MASK;
return val;
}