diff options
| author | Pramod Kumar | 2019-12-19 10:28:57 +0000 |
|---|---|---|
| committer | Priyanka Jain | 2019-12-26 16:00:20 +0530 |
| commit | f5d7a46f369a0f30cd929aca66e85be3c56d304f (patch) | |
| tree | 909f4908aa438979585c37a6ce8a097a8c98c688 /board | |
| parent | 5d168adf2b8babecc863d5d390bfc9953648040a (diff) | |
armv8: ls1046afrwy: Fix get_board_version implementation
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>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/ls1046afrwy/ls1046afrwy.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/board/freescale/ls1046afrwy/ls1046afrwy.c b/board/freescale/ls1046afrwy/ls1046afrwy.c index ac2f8ee4368..db8b3a5b921 100644 --- a/board/freescale/ls1046afrwy/ls1046afrwy.c +++ b/board/freescale/ls1046afrwy/ls1046afrwy.c @@ -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; } |