*/
#include <common.h>
+#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <malloc.h>
#include <asm/arch/mx6-pins.h>
#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/sata.h>
#include <asm/imx-common/mxc_i2c.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/arch/crm_regs.h>
+#include <asm/arch/sys_proto.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <netdev.h>
int dram_init(void)
{
- gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+ gd->ram_size = imx_ddr_size();
return 0;
}
imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads));
}
+int board_spi_cs_gpio(unsigned bus, unsigned cs)
+{
+ return (bus == 2 && cs == 0) ? (IMX_GPIO_NR(1, 3)) : -1;
+}
+
+static iomux_v3_cfg_t const feature_pads[] = {
+ /* SD card detect */
+ MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(PAD_CTL_PUS_100K_DOWN),
+
+ /* eMMC soldered? */
+ MX6_PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(PAD_CTL_PUS_100K_UP),
+};
+
+static void setup_iomux_features(void)
+{
+ imx_iomux_v3_setup_multiple_pads(feature_pads,
+ ARRAY_SIZE(feature_pads));
+}
+
+#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
+
+/* I2C2 - EEPROM */
+static struct i2c_pads_info i2c_pad_info1 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC,
+ .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC,
+ .gp = IMX_GPIO_NR(2, 30)
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_EIM_D16__I2C2_SDA | PC,
+ .gpio_mode = MX6_PAD_EIM_D16__GPIO3_IO16 | PC,
+ .gp = IMX_GPIO_NR(3, 16)
+ }
+};
+
+/* I2C3 - IO expander */
+static struct i2c_pads_info i2c_pad_info2 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC,
+ .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC,
+ .gp = IMX_GPIO_NR(3, 17)
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
+ .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC,
+ .gp = IMX_GPIO_NR(3, 18)
+ }
+};
+
+static void setup_iomux_i2c(void)
+{
+ setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+ setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
+}
+
+static void ccgr_init(void)
+{
+ struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+ writel(0x00C03F3F, &ccm->CCGR0);
+ writel(0x0030FC33, &ccm->CCGR1);
+ writel(0x0FFFC000, &ccm->CCGR2);
+ writel(0x3FF00000, &ccm->CCGR3);
+ writel(0x00FFF300, &ccm->CCGR4);
+ writel(0x0F0000C3, &ccm->CCGR5);
+ writel(0x000003FF, &ccm->CCGR6);
+}
+
+static void gpr_init(void)
+{
+ struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+ /* enable AXI cache for VDOA/VPU/IPU */
+ writel(0xF00000CF, &iomux->gpr[4]);
+ /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
+ writel(0x007F007F, &iomux->gpr[6]);
+ writel(0x007F007F, &iomux->gpr[7]);
+}
+
int board_early_init_f(void)
{
+ ccgr_init();
+ gpr_init();
+
setup_iomux_uart();
setup_iomux_spi();
+ setup_iomux_i2c();
+ setup_iomux_features();
return 0;
}
MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
+iomux_v3_cfg_t const usdhc4_pads[] = {
+ MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
int board_mmc_getcd(struct mmc *mmc)
{
- return 1;
+ struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
+ int ret;
+
+ if (cfg->esdhc_base == USDHC3_BASE_ADDR) {
+ gpio_direction_input(IMX_GPIO_NR(4, 5));
+ ret = gpio_get_value(IMX_GPIO_NR(4, 5));
+ } else {
+ gpio_direction_input(IMX_GPIO_NR(1, 5));
+ ret = !gpio_get_value(IMX_GPIO_NR(1, 5));
+ }
+
+ return ret;
}
-struct fsl_esdhc_cfg usdhc_cfg[] = {
+struct fsl_esdhc_cfg usdhc_cfg[2] = {
{USDHC3_BASE_ADDR},
+ {USDHC4_BASE_ADDR},
};
int board_mmc_init(bd_t *bis)
{
+ int ret;
+ u32 index = 0;
+
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
- usdhc_cfg[0].max_bus_width = 8;
+ usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
- imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+ usdhc_cfg[0].max_bus_width = 8;
+ usdhc_cfg[1].max_bus_width = 4;
+
+ for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
+ switch (index) {
+ case 0:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+ break;
+ case 1:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
+ break;
+ default:
+ printf("Warning: you configured more USDHC controllers"
+ "(%d) then supported by the board (%d)\n",
+ index + 1, CONFIG_SYS_FSL_USDHC_NUM);
+ return -EINVAL;
+ }
+
+ ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
+ if (ret)
+ return ret;
+ }
- return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+ return 0;
}
-#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
-
-/* I2C3 - IO expander */
-static struct i2c_pads_info i2c_pad_info2 = {
- .scl = {
- .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC,
- .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC,
- .gp = IMX_GPIO_NR(3, 17)
- },
- .sda = {
- .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
- .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC,
- .gp = IMX_GPIO_NR(3, 18)
- }
-};
-
static iomux_v3_cfg_t const pwm_pad[] = {
MX6_PAD_SD1_CMD__PWM4_OUT | MUX_PAD_CTRL(OUTPUT_40OHM),
};
backlight_lcd_off();
- setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
-
leds_on();
- /* enable ecspi3 clocks */
- enable_cspi_clock(1, 2);
+#ifdef CONFIG_CMD_SATA
+ setup_sata();
+#endif
return 0;
}
projects / karo-tx-uboot.git / blobdiff