Works like a charm now. Thanks for the update. U-Boot is awesome!
On Fri, Apr 11, 2014 at 6:39 AM, Fabio Estevam <feste...@gmail.com> wrote:
> From: Fabio Estevam <fabio.este...@freescale.com>
>
> mx6slevk has a m25p32 SPI NOR flash connected to ESCSPI port.
>
> Add support for it.
>
> Signed-off-by: Fabio Estevam <fabio.este...@freescale.com>
> ---
> arch/arm/include/asm/arch-mx6/mx6sl_pins.h | 4 ++++
> board/freescale/mx6slevk/mx6slevk.c | 20 ++++++++++++++++++++
> include/configs/mx6slevk.h | 12 ++++++++++++
> 3 files changed, 36 insertions(+)
>
> diff --git a/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
> b/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
> index 5f9c90a..045ccc4 100644
> --- a/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
> +++ b/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
> @@ -10,6 +10,10 @@
> #include <asm/imx-common/iomux-v3.h>
>
> enum {
> + MX6_PAD_ECSPI1_MISO__ECSPI_MISO =
> IOMUX_PAD(0x0358, 0x0068, 0, 0x0684, 0, 0),
> + MX6_PAD_ECSPI1_MOSI__ECSPI_MOSI =
> IOMUX_PAD(0x035C, 0x006C, 0, 0x0688, 0, 0),
> + MX6_PAD_ECSPI1_SCLK__ECSPI_SCLK =
> IOMUX_PAD(0x0360, 0x0070, 0, 0x067C, 0, 0),
> + MX6_PAD_ECSPI1_SS0__GPIO4_IO11 =
> IOMUX_PAD(0x0364, 0x0074, 5, 0x0000, 0, 0),
> MX6_PAD_SD2_CLK__USDHC2_CLK =
> IOMUX_PAD(0x055C, 0x0254, 0, 0x0000, 0, 0),
> MX6_PAD_SD2_CMD__USDHC2_CMD =
> IOMUX_PAD(0x0560, 0x0258, 0, 0x0000, 0, 0),
> MX6_PAD_SD2_DAT0__USDHC2_DAT0 =
> IOMUX_PAD(0x0564, 0x025C, 0, 0x0000, 0, 0),
> diff --git a/board/freescale/mx6slevk/mx6slevk.c
> b/board/freescale/mx6slevk/mx6slevk.c
> index aadad32..d2b64cc 100644
> --- a/board/freescale/mx6slevk/mx6slevk.c
> +++ b/board/freescale/mx6slevk/mx6slevk.c
> @@ -34,6 +34,9 @@ DECLARE_GLOBAL_DATA_PTR;
> PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
> PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
>
> +#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
> + PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
> +
> #define ETH_PHY_RESET IMX_GPIO_NR(4, 21)
>
> int dram_init(void)
> @@ -71,6 +74,20 @@ static iomux_v3_cfg_t const fec_pads[] = {
> MX6_PAD_FEC_TX_CLK__GPIO_4_21 | MUX_PAD_CTRL(NO_PAD_CTRL),
> };
>
> +#ifdef CONFIG_MXC_SPI
> +static iomux_v3_cfg_t ecspi1_pads[] = {
> + MX6_PAD_ECSPI1_MISO__ECSPI_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
> + MX6_PAD_ECSPI1_MOSI__ECSPI_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
> + MX6_PAD_ECSPI1_SCLK__ECSPI_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
> + MX6_PAD_ECSPI1_SS0__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
> +};
> +
> +static void setup_spi(void)
> +{
> + imx_iomux_v3_setup_multiple_pads(ecspi1_pads,
> ARRAY_SIZE(ecspi1_pads));
> +}
> +#endif
> +
> static void setup_iomux_uart(void)
> {
> imx_iomux_v3_setup_multiple_pads(uart1_pads,
> ARRAY_SIZE(uart1_pads));
> @@ -132,6 +149,9 @@ static int setup_fec(void)
> int board_early_init_f(void)
> {
> setup_iomux_uart();
> +#ifdef CONFIG_MXC_SPI
> + setup_spi();
> +#endif
> return 0;
> }
>
> diff --git a/include/configs/mx6slevk.h b/include/configs/mx6slevk.h
> index 1876dbf..3d05a64 100644
> --- a/include/configs/mx6slevk.h
> +++ b/include/configs/mx6slevk.h
> @@ -10,6 +10,7 @@
> #define __CONFIG_H
>
> #include <asm/arch/imx-regs.h>
> +#include <asm/imx-common/gpio.h>
> #include <linux/sizes.h>
> #include "mx6_common.h"
>
> @@ -196,4 +197,15 @@
> #define CONFIG_CMD_CACHE
> #endif
>
> +#define CONFIG_CMD_SF
> +#ifdef CONFIG_CMD_SF
> +#define CONFIG_SPI_FLASH
> +#define CONFIG_SPI_FLASH_STMICRO
> +#define CONFIG_MXC_SPI
> +#define CONFIG_SF_DEFAULT_BUS 0
> +#define CONFIG_SF_DEFAULT_CS (0 | (IMX_GPIO_NR(4, 11) << 8))
> +#define CONFIG_SF_DEFAULT_SPEED 20000000
> +#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
> +#endif
> +
> #endif /* __CONFIG_H */
> --
> 1.8.3.2
>
>
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