diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/toradex/colibri_imx6/colibri_imx6.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/board/toradex/colibri_imx6/colibri_imx6.c b/board/toradex/colibri_imx6/colibri_imx6.c index bdc7769d9e..c634e3243d 100644 --- a/board/toradex/colibri_imx6/colibri_imx6.c +++ b/board/toradex/colibri_imx6/colibri_imx6.c @@ -30,6 +30,7 @@ #include <micrel.h> #include <miiphy.h> #include <netdev.h> +#include <cpu.h> #include "../common/tdx-cfg-block.h" #ifdef CONFIG_TDX_CMD_IMX_MFGR @@ -1070,6 +1071,26 @@ static void spl_dram_init(void) udelay(100); } +static iomux_v3_cfg_t const gpio_reset_pad[] = { + MX6_PAD_RGMII_RD1__GPIO6_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL) | + MUX_MODE_SION +#define GPIO_NRESET IMX_GPIO_NR(6, 27) +}; + +#define IMX_RESET_CAUSE_POR 0x00011 +static void nreset_out(void) +{ + int reset_cause = get_imx_reset_cause(); + + if (reset_cause != IMX_RESET_CAUSE_POR) { + imx_iomux_v3_setup_multiple_pads(gpio_reset_pad, + ARRAY_SIZE(gpio_reset_pad)); + gpio_direction_output(GPIO_NRESET, 1); + udelay(100); + gpio_direction_output(GPIO_NRESET, 0); + } +} + void board_init_f(ulong dummy) { /* setup AIPS and disable watchdog */ @@ -1096,6 +1117,9 @@ void board_init_f(ulong dummy) /* Clear the BSS. */ memset(__bss_start, 0, __bss_end - __bss_start); + /* Assert nReset_Out */ + nreset_out(); + /* load/boot image from boot device */ board_init_r(NULL, 0); } |