tqma6: fix sf detection

Commit 155fa9af95ac5be857a7327e7a968a296e60d4c8 changed the way
to define a GPIO line, which can be used to force CS high
across multiple transactions. In order to fix sf detection
change board code to make use of board_spi_cs_gpio(..).

Signed-off-by: Markus Niebel <Markus.Niebel@tq-group.com>

board/tqc/tqma6/tqma6.c

@@ -138,8 +138,10 @@ static iomux_v3_cfg_t const tqma6_ecspi1_pads[] = {
 	NEW_PAD_CTRL(MX6_PAD_EIM_D18__ECSPI1_MOSI, SPI_PAD_CTRL),
 };
 
+#define TQMA6_SF_CS_GPIO IMX_GPIO_NR(3, 19)
+
 static unsigned const tqma6_ecspi1_cs[] = {
-	IMX_GPIO_NR(3, 19),
+	TQMA6_SF_CS_GPIO,
 };
 
 static void tqma6_iomuxc_spi(void)
@@ -152,6 +154,12 @@ static void tqma6_iomuxc_spi(void)
 					 ARRAY_SIZE(tqma6_ecspi1_pads));
 }
 
+int board_spi_cs_gpio(unsigned bus, unsigned cs)
+{
+	return ((bus == CONFIG_SF_DEFAULT_BUS) &&
+		(cs == CONFIG_SF_DEFAULT_CS)) ? TQMA6_SF_CS_GPIO : -1;
+}
+
 static struct i2c_pads_info tqma6_i2c3_pads = {
 	/* I2C3: on board LM75, M24C64,  */
 	.scl = {

include/configs/tqma6.h

@@ -9,13 +9,26 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
+#define CONFIG_MX6
+
+/* SPL */
+/* #if defined(CONFIG_SPL_BUILD) */
+
+#define CONFIG_SPL_MMC_SUPPORT
+#define CONFIG_SPL_SPI_SUPPORT
+#define CONFIG_SPL_FAT_SUPPORT
+#define CONFIG_SPL_EXT_SUPPORT
+
+/* common IMX6 SPL configuration */
+#include "imx6_spl.h"
+
+/* #endif */
+
 #include "mx6_common.h"
 #include <asm/arch/imx-regs.h>
 #include <asm/imx-common/gpio.h>
 #include <linux/sizes.h>
 
-#define CONFIG_MX6
-
 #if defined(CONFIG_MX6DL) || defined(CONFIG_MX6S)
 #define PHYS_SDRAM_SIZE			(512u * SZ_1M)
 #elif defined(CONFIG_MX6Q) || defined(CONFIG_MX6D)
@@ -57,7 +70,7 @@
 
 #define CONFIG_CMD_SF
 #define CONFIG_SF_DEFAULT_BUS	0
-#define CONFIG_SF_DEFAULT_CS	(0 | (IMX_GPIO_NR(3, 19) << 8))
+#define CONFIG_SF_DEFAULT_CS	0
 #define CONFIG_SF_DEFAULT_SPEED	50000000
 #define CONFIG_SF_DEFAULT_MODE	(SPI_MODE_0)