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Diffstat (limited to 'board/gateworks/gw_ventana/gw_ventana.c')
-rw-r--r--board/gateworks/gw_ventana/gw_ventana.c215
1 files changed, 191 insertions, 24 deletions
diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c
index c130e2c1e..031367d97 100644
--- a/board/gateworks/gw_ventana/gw_ventana.c
+++ b/board/gateworks/gw_ventana/gw_ventana.c
@@ -12,6 +12,7 @@
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mx6-pins.h>
+#include <asm/arch/mxc_hdmi.h>
#include <asm/arch/crm_regs.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
@@ -19,6 +20,7 @@
#include <asm/imx-common/mxc_i2c.h>
#include <asm/imx-common/boot_mode.h>
#include <asm/imx-common/sata.h>
+#include <asm/imx-common/video.h>
#include <jffs2/load_kernel.h>
#include <hwconfig.h>
#include <i2c.h>
@@ -30,8 +32,8 @@
#include <mtd_node.h>
#include <netdev.h>
#include <power/pmic.h>
+#include <power/ltc3676_pmic.h>
#include <power/pfuze100_pmic.h>
-#include <i2c.h>
#include <fdt_support.h>
#include <jffs2/load_kernel.h>
#include <spi_flash.h>
@@ -369,6 +371,134 @@ int board_eth_init(bd_t *bis)
return 0;
}
+#if defined(CONFIG_VIDEO_IPUV3)
+
+static void enable_hdmi(struct display_info_t const *dev)
+{
+ imx_enable_hdmi_phy();
+}
+
+static int detect_i2c(struct display_info_t const *dev)
+{
+ return i2c_set_bus_num(dev->bus) == 0 &&
+ i2c_probe(dev->addr) == 0;
+}
+
+static void enable_lvds(struct display_info_t const *dev)
+{
+ struct iomuxc *iomux = (struct iomuxc *)
+ IOMUXC_BASE_ADDR;
+
+ /* set CH0 data width to 24bit (IOMUXC_GPR2:5 0=18bit, 1=24bit) */
+ u32 reg = readl(&iomux->gpr[2]);
+ reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT;
+ writel(reg, &iomux->gpr[2]);
+
+ /* Enable Backlight */
+ imx_iomux_v3_setup_pad(MX6_PAD_SD1_CMD__GPIO1_IO18 |
+ MUX_PAD_CTRL(NO_PAD_CTRL));
+ gpio_direction_output(IMX_GPIO_NR(1, 18), 1);
+}
+
+struct display_info_t const displays[] = {{
+ /* HDMI Output */
+ .bus = -1,
+ .addr = 0,
+ .pixfmt = IPU_PIX_FMT_RGB24,
+ .detect = detect_hdmi,
+ .enable = enable_hdmi,
+ .mode = {
+ .name = "HDMI",
+ .refresh = 60,
+ .xres = 1024,
+ .yres = 768,
+ .pixclock = 15385,
+ .left_margin = 220,
+ .right_margin = 40,
+ .upper_margin = 21,
+ .lower_margin = 7,
+ .hsync_len = 60,
+ .vsync_len = 10,
+ .sync = FB_SYNC_EXT,
+ .vmode = FB_VMODE_NONINTERLACED
+} }, {
+ /* Freescale MXC-LVDS1: HannStar HSD100PXN1-A00 w/ egalx_ts cont */
+ .bus = 2,
+ .addr = 0x4,
+ .pixfmt = IPU_PIX_FMT_LVDS666,
+ .detect = detect_i2c,
+ .enable = enable_lvds,
+ .mode = {
+ .name = "Hannstar-XGA",
+ .refresh = 60,
+ .xres = 1024,
+ .yres = 768,
+ .pixclock = 15385,
+ .left_margin = 220,
+ .right_margin = 40,
+ .upper_margin = 21,
+ .lower_margin = 7,
+ .hsync_len = 60,
+ .vsync_len = 10,
+ .sync = FB_SYNC_EXT,
+ .vmode = FB_VMODE_NONINTERLACED
+} } };
+size_t display_count = ARRAY_SIZE(displays);
+
+static void setup_display(void)
+{
+ struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+ struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+ int reg;
+
+ enable_ipu_clock();
+ imx_setup_hdmi();
+ /* Turn on LDB0,IPU,IPU DI0 clocks */
+ reg = __raw_readl(&mxc_ccm->CCGR3);
+ reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
+ writel(reg, &mxc_ccm->CCGR3);
+
+ /* set LDB0, LDB1 clk select to 011/011 */
+ reg = readl(&mxc_ccm->cs2cdr);
+ reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
+ |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
+ reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
+ |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
+ writel(reg, &mxc_ccm->cs2cdr);
+
+ reg = readl(&mxc_ccm->cscmr2);
+ reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
+ writel(reg, &mxc_ccm->cscmr2);
+
+ reg = readl(&mxc_ccm->chsccdr);
+ reg |= (CHSCCDR_CLK_SEL_LDB_DI0
+ <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
+ writel(reg, &mxc_ccm->chsccdr);
+
+ reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
+ |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
+ |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
+ |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
+ |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
+ |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
+ |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
+ |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
+ |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
+ writel(reg, &iomux->gpr[2]);
+
+ reg = readl(&iomux->gpr[3]);
+ reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK)
+ | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
+ <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
+ writel(reg, &iomux->gpr[3]);
+
+ /* Backlight CABEN on LVDS connector */
+ imx_iomux_v3_setup_pad(MX6_PAD_SD2_CLK__GPIO1_IO10 |
+ MUX_PAD_CTRL(NO_PAD_CTRL));
+ gpio_direction_output(IMX_GPIO_NR(1, 10), 0);
+}
+#endif /* CONFIG_VIDEO_IPUV3 */
+
/* read ventana EEPROM, check for validity, and return baseboard type */
static int
read_eeprom(void)
@@ -733,6 +863,62 @@ struct ventana gpio_cfg[] = {
},
};
+/* setup board specific PMIC */
+int power_init_board(void)
+{
+ struct pmic *p;
+ u32 reg;
+
+ /* configure PFUZE100 PMIC */
+ if (board_type == GW54xx || board_type == GW54proto) {
+ power_pfuze100_init(I2C_PMIC);
+ p = pmic_get("PFUZE100_PMIC");
+ if (p && !pmic_probe(p)) {
+ pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
+ printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
+
+ /* Set VGEN1 to 1.5V and enable */
+ pmic_reg_read(p, PFUZE100_VGEN1VOL, &reg);
+ reg &= ~(LDO_VOL_MASK);
+ reg |= (LDOA_1_50V | LDO_EN);
+ pmic_reg_write(p, PFUZE100_VGEN1VOL, reg);
+
+ /* Set SWBST to 5.0V and enable */
+ pmic_reg_read(p, PFUZE100_SWBSTCON1, &reg);
+ reg &= ~(SWBST_MODE_MASK | SWBST_VOL_MASK);
+ reg |= (SWBST_5_00V | SWBST_MODE_AUTO);
+ pmic_reg_write(p, PFUZE100_SWBSTCON1, reg);
+ }
+ }
+
+ /* configure LTC3676 PMIC */
+ else {
+ power_ltc3676_init(I2C_PMIC);
+ p = pmic_get("LTC3676_PMIC");
+ if (p && !pmic_probe(p)) {
+ puts("PMIC: LTC3676\n");
+ /* set board-specific scalar to 1225mV for IMX6Q@1GHz */
+ if (is_cpu_type(MXC_CPU_MX6Q)) {
+ /* mask PGOOD during SW1 transition */
+ reg = 0x1d | LTC3676_PGOOD_MASK;
+ pmic_reg_write(p, LTC3676_DVB1B, reg);
+ /* set SW1 (VDD_SOC) to 1259mV */
+ reg = 0x1d;
+ pmic_reg_write(p, LTC3676_DVB1A, reg);
+
+ /* mask PGOOD during SW3 transition */
+ reg = 0x1d | LTC3676_PGOOD_MASK;
+ pmic_reg_write(p, LTC3676_DVB3B, reg);
+ /*set SW3 (VDD_ARM) to 1259mV */
+ reg = 0x1d;
+ pmic_reg_write(p, LTC3676_DVB3A, reg);
+ }
+ }
+ }
+
+ return 0;
+}
+
/* setup GPIO pinmux and default configuration per baseboard */
static void setup_board_gpio(int board)
{
@@ -888,6 +1074,9 @@ int board_early_init_f(void)
setup_iomux_uart();
gpio_direction_output(GP_USB_OTG_PWR, 0); /* OTG power off */
+#if defined(CONFIG_VIDEO_IPUV3)
+ setup_display();
+#endif
return 0;
}
@@ -1076,28 +1265,6 @@ int misc_init_r(void)
setenv("serial#", str);
}
- /* configure PFUZE100 PMIC (not used on all Ventana baseboards) */
- if ((board_type == GW54xx || board_type == GW54proto) &&
- !pmic_init(I2C_PMIC)) {
- struct pmic *p = pmic_get("PFUZE100_PMIC");
- u32 reg;
- if (p && !pmic_probe(p)) {
- pmic_reg_read(p, PFUZE100_DEVICEID, &reg);
- printf("PMIC: PFUZE100 ID=0x%02x\n", reg);
-
- /* Set VGEN1 to 1.5V and enable */
- pmic_reg_read(p, PFUZE100_VGEN1VOL, &reg);
- reg &= ~(LDO_VOL_MASK);
- reg |= (LDOA_1_50V | LDO_EN);
- pmic_reg_write(p, PFUZE100_VGEN1VOL, reg);
-
- /* Set SWBST to 5.0V and enable */
- pmic_reg_read(p, PFUZE100_SWBSTCON1, &reg);
- reg &= ~(SWBST_MODE_MASK | SWBST_VOL_MASK);
- reg |= (SWBST_5_00V | SWBST_MODE_AUTO);
- pmic_reg_write(p, PFUZE100_SWBSTCON1, reg);
- }
- }
/* setup baseboard specific GPIO pinmux and config */
setup_board_gpio(board_type);
@@ -1243,7 +1410,7 @@ void ft_board_setup(void *blob, bd_t *bd)
/* board serial number */
fdt_setprop(blob, 0, "system-serial", getenv("serial#"),
- strlen(getenv("serial#") + 1));
+ strlen(getenv("serial#")) + 1);
/* board (model contains model from device-tree) */
fdt_setprop(blob, 0, "board", info->model,
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-16 18:23:15 +0000