Add SPI NOR support:
=> sf probe SF: Detected SST25VF032B with page size 256 Bytes, erase size 4 KiB, total 4 MiB
Signed-off-by: Otavio Salvador otavio@ossystems.com.br ---
board/congatec/cgtqmx6eval/cgtqmx6eval.c | 23 +++++++++++++++++++++++ include/configs/cgtqmx6eval.h | 10 ++++++++++ 2 files changed, 33 insertions(+)
diff --git a/board/congatec/cgtqmx6eval/cgtqmx6eval.c b/board/congatec/cgtqmx6eval/cgtqmx6eval.c index da1c178..d06eee1 100644 --- a/board/congatec/cgtqmx6eval/cgtqmx6eval.c +++ b/board/congatec/cgtqmx6eval/cgtqmx6eval.c @@ -27,6 +27,10 @@ DECLARE_GLOBAL_DATA_PTR; #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW |\ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+#define SPI_PAD_CTRL (PAD_CTL_HYS | \ + PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) + int dram_init(void) { gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); @@ -77,11 +81,24 @@ static iomux_v3_cfg_t const usdhc4_pads[] = { MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ };
+static iomux_v3_cfg_t const ecspi1_pads[] = { + MX6_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), + MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads)); }
+void setup_spinor(void) +{ + imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); + gpio_direction_output(IMX_GPIO_NR(3, 19), 0); +} + #ifdef CONFIG_FSL_ESDHC static struct fsl_esdhc_cfg usdhc_cfg[] = { {USDHC2_BASE_ADDR}, @@ -158,6 +175,7 @@ int board_mmc_init(bd_t *bis) int board_early_init_f(void) { setup_iomux_uart(); + setup_spinor();
return 0; } @@ -177,6 +195,11 @@ int checkboard(void) return 0; }
+int board_spi_cs_gpio(unsigned bus, unsigned cs) +{ + return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(3, 19)) : -EINVAL; +} + #ifdef CONFIG_CMD_BMODE static const struct boot_mode board_boot_modes[] = { /* 4 bit bus width */ diff --git a/include/configs/cgtqmx6eval.h b/include/configs/cgtqmx6eval.h index 63264d9..15ce29b 100644 --- a/include/configs/cgtqmx6eval.h +++ b/include/configs/cgtqmx6eval.h @@ -30,6 +30,16 @@ #define CONFIG_SYS_FSL_USDHC_NUM 3 #define CONFIG_SYS_FSL_ESDHC_ADDR 0
+/* SPI NOR */ +#define CONFIG_CMD_SF +#define CONFIG_SPI_FLASH +#define CONFIG_SPI_FLASH_STMICRO +#define CONFIG_SPI_FLASH_SST +#define CONFIG_MXC_SPI +#define CONFIG_SF_DEFAULT_BUS 0 +#define CONFIG_SF_DEFAULT_SPEED 20000000 +#define CONFIG_SF_DEFAULT_MODE (SPI_MODE_0) + /* Miscellaneous commands */ #define CONFIG_CMD_BMODE