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| author | Fabio Estevam <fabio.estevam@freescale.com> | 2014-04-11 08:39:43 -0300 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2014-04-28 14:00:16 +0200 |
| commit | 694c3bc107c61b900e3e0a09dd8f0346b1b7685f (patch) | |
| tree | 46db6a420ef2e7aca9818da5afa108d4316c879f /board/freescale/mx6slevk/mx6slevk.c | |
| parent | 0782bdf89878f3b4806b127b60f8d0e72c195354 (diff) | |
| download | u-boot-imx-694c3bc107c61b900e3e0a09dd8f0346b1b7685f.zip u-boot-imx-694c3bc107c61b900e3e0a09dd8f0346b1b7685f.tar.gz u-boot-imx-694c3bc107c61b900e3e0a09dd8f0346b1b7685f.tar.bz2 | |
mx6slevk: Add SPI NOR flash support
mx6slevk has a m25p32 SPI NOR flash connected to ESCSPI port.
Add support for it.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Marek Vasut <marex@denx.de>
Reviewed-by: Jagannadha Sutradharudu Teki <jaganna@xilinx.com>
Diffstat (limited to 'board/freescale/mx6slevk/mx6slevk.c')
| -rw-r--r-- | board/freescale/mx6slevk/mx6slevk.c | 20 |
1 files changed, 20 insertions, 0 deletions
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; } |