X-Git-Url: https://git.kernelconcepts.de/?a=blobdiff_plain;f=board%2Ffreescale%2Fmx6qsabreauto%2Fmx6qsabreauto.c;h=2a6e3a919225df42b68174e873e6767ef855c87a;hb=69f14dc2fd64307f012381dd333a06001dec75dc;hp=91cc0073bdc46046b28196652234b0f16eef7ea3;hpb=b27673ccbd3d5435319b5c09c3e7061f559f925d;p=karo-tx-uboot.git

diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
index 91cc0073bd..2a6e3a9192 100644
--- a/board/freescale/mx6qsabreauto/mx6qsabreauto.c
+++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c
@@ -26,25 +26,33 @@
 #include <asm/errno.h>
 #include <asm/gpio.h>
 #include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/mxc_i2c.h>
+#include <asm/imx-common/boot_mode.h>
 #include <mmc.h>
 #include <fsl_esdhc.h>
 #include <miiphy.h>
 #include <netdev.h>
 #include <asm/arch/sys_proto.h>
+#include <i2c.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |            \
-	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |               \
-	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+#define UART_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm |			\
+	PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
 
-#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |            \
-	PAD_CTL_PUS_47K_UP  | PAD_CTL_SPEED_LOW |               \
-	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+#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 ENET_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
-	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED   |		\
-	PAD_CTL_DSE_40ohm   | PAD_CTL_HYS)
+#define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |			\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
+
+#define I2C_PAD_CTRL	(PAD_CTL_PUS_100K_UP |			\
+	PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |	\
+	PAD_CTL_ODE | PAD_CTL_SRE_FAST)
+
+#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
 
 int dram_init(void)
 {
@@ -76,6 +84,45 @@ iomux_v3_cfg_t const enet_pads[] = {
 	MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL	| MUX_PAD_CTRL(ENET_PAD_CTRL),
 };
 
+/* I2C2 PMIC, iPod, Tuner, Codec, Touch, HDMI EDID, MIPI CSI2 card */
+struct i2c_pads_info i2c_pad_info1 = {
+	.scl = {
+		.i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC,
+		.gpio_mode = MX6_PAD_EIM_EB2__GPIO_2_30 | PC,
+		.gp = IMX_GPIO_NR(2, 30)
+	},
+	.sda = {
+		.i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC,
+		.gpio_mode = MX6_PAD_KEY_ROW3__GPIO_4_13 | PC,
+		.gp = IMX_GPIO_NR(4, 13)
+	}
+};
+
+/*
+ * I2C3 MLB, Port Expanders (A, B, C), Video ADC, Light Sensor,
+ * Compass Sensor, Accelerometer, Res Touch
+ */
+struct i2c_pads_info i2c_pad_info2 = {
+	.scl = {
+		.i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | PC,
+		.gpio_mode = MX6_PAD_GPIO_3__GPIO_1_3 | PC,
+		.gp = IMX_GPIO_NR(1, 3)
+	},
+	.sda = {
+		.i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
+		.gpio_mode = MX6_PAD_EIM_D18__GPIO_3_18 | PC,
+		.gp = IMX_GPIO_NR(3, 18)
+	}
+};
+
+iomux_v3_cfg_t const i2c3_pads[] = {
+	MX6_PAD_EIM_A24__GPIO_5_4		| MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+iomux_v3_cfg_t const port_exp[] = {
+	MX6_PAD_SD2_DAT0__GPIO_1_15		| MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
 static void setup_iomux_enet(void)
 {
 	imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
@@ -178,7 +225,10 @@ static int mx6sabre_rev(void)
 	 * i.MX6Q ARD RevB: 0x02
 	 */
 	struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
-	int reg = readl(&ocotp->gp1);
+	struct fuse_bank *bank = &ocotp->bank[4];
+	struct fuse_bank4_regs *fuse =
+			(struct fuse_bank4_regs *)bank->fuse_regs;
+	int reg = readl(&fuse->gp1);
 	int ret;
 
 	switch (reg >> 8 & 0x0F) {
@@ -213,6 +263,33 @@ int board_init(void)
 	/* address of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
+	/* I2C 2 and 3 setup - I2C 3 hw mux with EIM */
+	setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+	/* I2C 3 Steer */
+	gpio_direction_output(IMX_GPIO_NR(5, 4), 1);
+	imx_iomux_v3_setup_multiple_pads(i2c3_pads, ARRAY_SIZE(i2c3_pads));
+	setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
+
+	gpio_direction_output(IMX_GPIO_NR(1, 15), 1);
+	imx_iomux_v3_setup_multiple_pads(port_exp, ARRAY_SIZE(port_exp));
+
+	return 0;
+}
+
+#ifdef CONFIG_CMD_BMODE
+static const struct boot_mode board_boot_modes[] = {
+	/* 4 bit bus width */
+	{"mmc0", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
+	{NULL,   0},
+};
+#endif
+
+int board_late_init(void)
+{
+#ifdef CONFIG_CMD_BMODE
+	add_board_boot_modes(board_boot_modes);
+#endif
+
 	return 0;
 }