diff options
Diffstat (limited to 'board/solidrun')
| -rw-r--r-- | board/solidrun/mx6cuboxi/mx6cuboxi.c | 136 |
1 files changed, 86 insertions, 50 deletions
diff --git a/board/solidrun/mx6cuboxi/mx6cuboxi.c b/board/solidrun/mx6cuboxi/mx6cuboxi.c index 1fb3c69ede..1567cf0c91 100644 --- a/board/solidrun/mx6cuboxi/mx6cuboxi.c +++ b/board/solidrun/mx6cuboxi/mx6cuboxi.c @@ -57,6 +57,13 @@ DECLARE_GLOBAL_DATA_PTR; #define ETH_PHY_RESET IMX_GPIO_NR(4, 15) #define USB_H1_VBUS IMX_GPIO_NR(1, 0) +enum board_type { + CUBOXI = 0x00, + HUMMINGBOARD = 0x01, + HUMMINGBOARD2 = 0x02, + UNKNOWN = 0x03, +}; + int dram_init(void) { gd->ram_size = imx_ddr_size(); @@ -77,10 +84,17 @@ static iomux_v3_cfg_t const usdhc2_pads[] = { IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), }; -static iomux_v3_cfg_t const hb_cbi_sense[] = { +static iomux_v3_cfg_t const board_detect[] = { /* These pins are for sensing if it is a CuBox-i or a HummingBoard */ IOMUX_PADS(PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(UART_PAD_CTRL)), IOMUX_PADS(PAD_EIM_DA4__GPIO3_IO04 | MUX_PAD_CTRL(UART_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(UART_PAD_CTRL)), +}; + +static iomux_v3_cfg_t const som_rev_detect[] = { + /* These pins are for sensing if it is a CuBox-i or a HummingBoard */ + IOMUX_PADS(PAD_CSI0_DAT14__GPIO6_IO00 | MUX_PAD_CTRL(UART_PAD_CTRL)), + IOMUX_PADS(PAD_CSI0_DAT18__GPIO6_IO04 | MUX_PAD_CTRL(UART_PAD_CTRL)), }; static iomux_v3_cfg_t const usb_pads[] = { @@ -333,88 +347,110 @@ int board_init(void) return ret; } -static bool is_hummingboard(void) +static enum board_type board_type(void) { - int val1, val2; + int val1, val2, val3; - SETUP_IOMUX_PADS(hb_cbi_sense); - - gpio_direction_input(IMX_GPIO_NR(4, 9)); - gpio_direction_input(IMX_GPIO_NR(3, 4)); - - val1 = gpio_get_value(IMX_GPIO_NR(4, 9)); - val2 = gpio_get_value(IMX_GPIO_NR(3, 4)); + SETUP_IOMUX_PADS(board_detect); /* * Machine selection - - * Machine val1, val2 - * ------------------------- - * HB2 x x - * HB rev 3.x x 0 - * CBi 0 1 - * HB 1 1 + * Machine val1, val2, val3 + * ---------------------------- + * HB2 x x 0 + * HB rev 3.x x 0 x + * CBi 0 1 x + * HB 1 1 x */ - if (val2 == 0) - return true; - else if (val1 == 0) - return false; - else - return true; -} + gpio_direction_input(IMX_GPIO_NR(2, 8)); + val3 = gpio_get_value(IMX_GPIO_NR(2, 8)); -static bool is_hummingboard2(void) -{ - int val1; + if (val3 == 0) + return HUMMINGBOARD2; - SETUP_IOMUX_PADS(hb_cbi_sense); + gpio_direction_input(IMX_GPIO_NR(3, 4)); + val2 = gpio_get_value(IMX_GPIO_NR(3, 4)); - gpio_direction_input(IMX_GPIO_NR(2, 8)); + if (val2 == 0) + return HUMMINGBOARD; - val1 = gpio_get_value(IMX_GPIO_NR(2, 8)); + gpio_direction_input(IMX_GPIO_NR(4, 9)); + val1 = gpio_get_value(IMX_GPIO_NR(4, 9)); - /* - * Machine selection - - * Machine val1 - * ------------------- - * HB2 0 - * HB rev 3.x x - * CBi x - * HB x - */ + if (val1 == 0) { + return CUBOXI; + } else { + return HUMMINGBOARD; + } +} + +static bool is_rev_15_som(void) +{ + int val1, val2; + SETUP_IOMUX_PADS(som_rev_detect); - if (val1 == 0) + val1 = gpio_get_value(IMX_GPIO_NR(6, 0)); + val2 = gpio_get_value(IMX_GPIO_NR(6, 4)); + + if (val1 == 1 && val2 == 0) return true; - else - return false; + + return false; } int checkboard(void) { - if (is_hummingboard2()) - puts("Board: MX6 Hummingboard2\n"); - else if (is_hummingboard()) - puts("Board: MX6 Hummingboard\n"); + switch (board_type()) { + case CUBOXI: + puts("Board: MX6 Cubox-i"); + break; + case HUMMINGBOARD: + puts("Board: MX6 HummingBoard"); + break; + case HUMMINGBOARD2: + puts("Board: MX6 HummingBoard2"); + break; + case UNKNOWN: + default: + puts("Board: Unknown\n"); + goto out; + } + + if (is_rev_15_som()) + puts(" (som rev 1.5)\n"); else - puts("Board: MX6 Cubox-i\n"); + puts("\n"); +out: return 0; } int board_late_init(void) { #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG - if (is_hummingboard2()) - env_set("board_name", "HUMMINGBOARD2"); - else if (is_hummingboard()) + switch (board_type()) { + case CUBOXI: + env_set("board_name", "CUBOXI"); + break; + case HUMMINGBOARD: env_set("board_name", "HUMMINGBOARD"); - else + break; + case HUMMINGBOARD2: + env_set("board_name", "HUMMINGBOARD2"); + break; + case UNKNOWN: + default: env_set("board_name", "CUBOXI"); + } if (is_mx6dq()) env_set("board_rev", "MX6Q"); else env_set("board_rev", "MX6DL"); + + if (is_rev_15_som()) + env_set("som_rev", "V15"); #endif return 0; |