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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