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Diffstat (limited to 'src/mainboard/google/veyron/mainboard.c')
-rw-r--r--src/mainboard/google/veyron/mainboard.c94
1 files changed, 93 insertions, 1 deletions
diff --git a/src/mainboard/google/veyron/mainboard.c b/src/mainboard/google/veyron/mainboard.c
index 607b1d5bbe..349240faff 100644
--- a/src/mainboard/google/veyron/mainboard.c
+++ b/src/mainboard/google/veyron/mainboard.c
@@ -24,10 +24,102 @@
#include <edid.h>
#include <vbe.h>
#include <boot/coreboot_tables.h>
+#include <device/i2c.h>
+#include <soc/rockchip/rk3288/gpio.h>
+#include <soc/rockchip/rk3288/soc.h>
+#include <soc/rockchip/rk3288/pmu.h>
+#include <soc/rockchip/rk3288/clock.h>
+#include <soc/rockchip/rk3288/spi.h>
+#include "pmic.h"
-static void mainboard_init(device_t dev)
+#define DRAM_START (CONFIG_SYS_SDRAM_BASE >> 20)
+#define DRAM_SIZE CONFIG_DRAM_SIZE_MB
+#define DRAM_END (DRAM_START + DRAM_SIZE)
+
+static void setup_gpio(void)
+{
+ /*SOC and TPM reset GPIO, active high.*/
+ gpio_output((gpio_t){.port = 0, .bank = GPIO_B, .idx = 2}, 0);
+
+ /* Configure GPIO for lcd_bl_en */
+ gpio_output((gpio_t){.port = 7, .bank = GPIO_A, .idx = 2}, 1);
+
+ /*Configure backlight PWM 100% brightness*/
+ gpio_output((gpio_t){.port = 7, .bank = GPIO_A, .idx = 0}, 0);
+
+ /* Configure GPIO for lcd_en */
+ gpio_output((gpio_t){.port = 7, .bank = GPIO_B, .idx = 7}, 1);
+}
+
+static void setup_iomux(void)
+{
+ /*i2c0 for pmic*/
+ setbits_le32(&rk3288_pmu->iomux_i2c0scl, IOMUX_I2C0SCL);
+ setbits_le32(&rk3288_pmu->iomux_i2c0sda, IOMUX_I2C0SDA);
+
+ /*i2c1 for tpm*/
+ writel(IOMUX_I2C1, &rk3288_grf->iomux_i2c1);
+
+ /*i2c2 for codec*/
+ writel(IOMUX_I2C2, &rk3288_grf->iomux_i2c2);
+
+ writel(IOMUX_SPI0, &rk3288_grf->iomux_spi0);
+ writel(IOMUX_I2S, &rk3288_grf->iomux_i2s);
+ writel(IOMUX_I2SCLK, &rk3288_grf->iomux_i2sclk);
+ writel(IOMUX_LCDC, &rk3288_grf->iomux_lcdc);
+ writel(IOMUX_SDMMC0, &rk3288_grf->iomux_sdmmc0);
+ writel(IOMUX_EMMCDATA, &rk3288_grf->iomux_emmcdata);
+ writel(IOMUX_EMMCPWREN, &rk3288_grf->iomux_emmcpwren);
+ writel(IOMUX_EMMCCMD, &rk3288_grf->iomux_emmccmd);
+}
+
+static void setup_usb_poweron(void)
+{
+ /* Configure GPIO for usb1_pwr_en */
+ gpio_output((gpio_t){.port = 0, .bank = GPIO_B, .idx = 3}, 1);
+
+ /* Configure GPIO for usb2_pwr_en */
+ gpio_output((gpio_t){.port = 0, .bank = GPIO_B, .idx = 4}, 1);
+
+ /* Configure GPIO for 5v_drv */
+ gpio_output((gpio_t){.port = 7, .bank = GPIO_B, .idx = 3}, 1);
+}
+
+static void configure_sdmmc(void)
{
+ /* Configure GPIO for sd_en */
+ gpio_output((gpio_t){.port = 7, .bank = GPIO_C, .idx = 5}, 1);
+ /* Configure GPIO for sd_detec */
+ gpio_input_pullup((gpio_t){.port = 7, .bank = GPIO_A, .idx = 5});
+
+ /*use sdmmc0 io, disable JTAG function*/
+ writel(RK_CLRBITS(1 << 12), &rk3288_grf->soc_con0);
+}
+
+static void configure_emmc(void)
+{
+ /* Configure GPIO for emmc_pwrctrl */
+ gpio_output((gpio_t){.port = 7, .bank = GPIO_B, .idx = 4}, 1);
+}
+
+static void configure_i2s(void)
+{
+ /*AUDIO IO domain 1.8V voltage selection*/
+ writel(RK_SETBITS(1 << 6), &rk3288_grf->io_vsel);
+ rkclk_configure_i2s(12288000);
+}
+
+static void mainboard_init(device_t dev)
+{
+ setup_iomux();
+ pmic_init(0);
+ setup_gpio();
+ setup_usb_poweron();
+ configure_sdmmc();
+ configure_emmc();
+ configure_i2s();
+ rockchip_spi_init(CONFIG_EC_GOOGLE_CHROMEEC_SPI_BUS);
}
static void mainboard_enable(device_t dev)