#include <asm/arch/mx6-pins.h>
#include <asm/errno.h>
#include <asm/gpio.h>
+#include <asm/imx-common/mxc_i2c.h>
#include <asm/imx-common/iomux-v3.h>
#include <asm/imx-common/boot_mode.h>
+#include <asm/imx-common/video.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/arch/mxc_hdmi.h>
#include <asm/arch/crm_regs.h>
-#include <linux/fb.h>
-#include <ipu_pixfmt.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
+#include <i2c.h>
+#include <power/pmic.h>
+#include <power/pfuze100_pmic.h>
+#include "../common/pfuze.h"
+#include <asm/arch/mx6-ddr.h>
+#include <usb.h>
+
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
+#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 I2C_PMIC 1
+
+#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
+
+#define DISP0_PWR_EN IMX_GPIO_NR(1, 21)
+
int dram_init(void)
{
- gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
-
+ gd->ram_size = imx_ddr_size();
return 0;
}
-iomux_v3_cfg_t const uart1_pads[] = {
+static iomux_v3_cfg_t const uart1_pads[] = {
MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
MX6_PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
};
-iomux_v3_cfg_t const enet_pads[] = {
+static iomux_v3_cfg_t const enet_pads[] = {
MX6_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
/* AR8031 PHY Reset */
- MX6_PAD_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_ENET_CRS_DV__GPIO1_IO25,
};
static void setup_iomux_enet(void)
gpio_set_value(IMX_GPIO_NR(1, 25), 1);
}
-iomux_v3_cfg_t const usdhc2_pads[] = {
+static iomux_v3_cfg_t const usdhc2_pads[] = {
MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NANDF_D5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NANDF_D6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_NANDF_D7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
+ MX6_PAD_NANDF_D2__GPIO2_IO02, /* CD */
};
-iomux_v3_cfg_t const usdhc3_pads[] = {
+static iomux_v3_cfg_t const usdhc3_pads[] = {
MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
+ MX6_PAD_NANDF_D0__GPIO2_IO00, /* CD */
};
-iomux_v3_cfg_t const usdhc4_pads[] = {
+static 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_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
-iomux_v3_cfg_t const ecspi1_pads[] = {
+static iomux_v3_cfg_t const ecspi1_pads[] = {
MX6_PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
MX6_PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
- MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ MX6_PAD_KEY_ROW1__GPIO4_IO09,
+};
+
+static iomux_v3_cfg_t const rgb_pads[] = {
+ MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,
+ MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15,
+ MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02,
+ MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03,
+ MX6_PAD_DI0_PIN4__IPU1_DI0_PIN04,
+ MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00,
+ MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01,
+ MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02,
+ MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03,
+ MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04,
+ MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05,
+ MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06,
+ MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07,
+ MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08,
+ MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09,
+ MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10,
+ MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11,
+ MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12,
+ MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13,
+ MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14,
+ MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15,
+ MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16,
+ MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17,
+ MX6_PAD_DISP0_DAT18__IPU1_DISP0_DATA18,
+ MX6_PAD_DISP0_DAT19__IPU1_DISP0_DATA19,
+ MX6_PAD_DISP0_DAT20__IPU1_DISP0_DATA20,
+ MX6_PAD_DISP0_DAT21__IPU1_DISP0_DATA21,
+ MX6_PAD_DISP0_DAT22__IPU1_DISP0_DATA22,
+ MX6_PAD_DISP0_DAT23__IPU1_DISP0_DATA23,
+ MX6_PAD_SD1_DAT3__GPIO1_IO21,
+};
+
+static void enable_rgb(struct display_info_t const *dev)
+{
+ imx_iomux_v3_setup_multiple_pads(rgb_pads, ARRAY_SIZE(rgb_pads));
+ gpio_direction_output(DISP0_PWR_EN, 1);
+}
+
+static struct i2c_pads_info i2c_pad_info1 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | I2C_PAD,
+ .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | I2C_PAD,
+ .gp = IMX_GPIO_NR(4, 12)
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | I2C_PAD,
+ .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | I2C_PAD,
+ .gp = IMX_GPIO_NR(4, 13)
+ }
};
static void setup_spi(void)
}
iomux_v3_cfg_t const pcie_pads[] = {
- MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), /* POWER */
- MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), /* RESET */
+ MX6_PAD_EIM_D19__GPIO3_IO19, /* POWER */
+ MX6_PAD_GPIO_17__GPIO7_IO12, /* RESET */
};
static void setup_pcie(void)
int board_mmc_init(bd_t *bis)
{
- s32 status = 0;
+#ifndef CONFIG_SPL_BUILD
+ int ret;
int i;
/*
printf("Warning: you configured more USDHC controllers"
"(%d) then supported by the board (%d)\n",
i + 1, CONFIG_SYS_FSL_USDHC_NUM);
- return status;
+ return -EINVAL;
}
- status |= fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
+ ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+#else
+ struct src *psrc = (struct src *)SRC_BASE_ADDR;
+ unsigned reg = readl(&psrc->sbmr1) >> 11;
+ /*
+ * Upon reading BOOT_CFG register the following map is done:
+ * Bit 11 and 12 of BOOT_CFG register can determine the current
+ * mmc port
+ * 0x1 SD1
+ * 0x2 SD2
+ * 0x3 SD4
+ */
+
+ switch (reg & 0x3) {
+ case 0x1:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+ usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+ break;
+ case 0x2:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+ usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+ gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+ break;
+ case 0x3:
+ imx_iomux_v3_setup_multiple_pads(
+ usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
+ usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR;
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
+ gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
+ break;
}
- return status;
+ return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+#endif
}
#endif
}
#if defined(CONFIG_VIDEO_IPUV3)
-struct display_info_t {
- int bus;
- int addr;
- int pixfmt;
- int (*detect)(struct display_info_t const *dev);
- void (*enable)(struct display_info_t const *dev);
- struct fb_videomode mode;
-};
-
-static int detect_hdmi(struct display_info_t const *dev)
-{
- struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
- return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT;
-}
-
-
static void disable_lvds(struct display_info_t const *dev)
{
struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
writel(reg, &iomux->gpr[2]);
}
-static struct display_info_t const displays[] = {{
+struct display_info_t const displays[] = {{
.bus = -1,
.addr = 0,
.pixfmt = IPU_PIX_FMT_RGB666,
.vsync_len = 10,
.sync = FB_SYNC_EXT,
.vmode = FB_VMODE_NONINTERLACED
+} }, {
+ .bus = 0,
+ .addr = 0,
+ .pixfmt = IPU_PIX_FMT_RGB24,
+ .detect = NULL,
+ .enable = enable_rgb,
+ .mode = {
+ .name = "SEIKO-WVGA",
+ .refresh = 60,
+ .xres = 800,
+ .yres = 480,
+ .pixclock = 29850,
+ .left_margin = 89,
+ .right_margin = 164,
+ .upper_margin = 23,
+ .lower_margin = 10,
+ .hsync_len = 10,
+ .vsync_len = 10,
+ .sync = 0,
+ .vmode = FB_VMODE_NONINTERLACED
} } };
-
-int board_video_skip(void)
-{
- int i;
- int ret;
- char const *panel = getenv("panel");
- if (!panel) {
- for (i = 0; i < ARRAY_SIZE(displays); i++) {
- struct display_info_t const *dev = displays+i;
- if (dev->detect && dev->detect(dev)) {
- panel = dev->mode.name;
- printf("auto-detected panel %s\n", panel);
- break;
- }
- }
- if (!panel) {
- panel = displays[0].mode.name;
- printf("No panel detected: default to %s\n", panel);
- i = 0;
- }
- } else {
- for (i = 0; i < ARRAY_SIZE(displays); i++) {
- if (!strcmp(panel, displays[i].mode.name))
- break;
- }
- }
- if (i < ARRAY_SIZE(displays)) {
- ret = ipuv3_fb_init(&displays[i].mode, 0,
- displays[i].pixfmt);
- if (!ret) {
- displays[i].enable(displays+i);
- printf("Display: %s (%ux%u)\n",
- displays[i].mode.name,
- displays[i].mode.xres,
- displays[i].mode.yres);
- } else
- printf("LCD %s cannot be configured: %d\n",
- displays[i].mode.name, ret);
- } else {
- printf("unsupported panel %s\n", panel);
- return -EINVAL;
- }
-
- return 0;
-}
+size_t display_count = ARRAY_SIZE(displays);
static void setup_display(void)
{
return cpu_eth_init(bis);
}
+#ifdef CONFIG_USB_EHCI_MX6
+#define USB_OTHERREGS_OFFSET 0x800
+#define UCTRL_PWR_POL (1 << 9)
+
+static iomux_v3_cfg_t const usb_otg_pads[] = {
+ MX6_PAD_EIM_D22__USB_OTG_PWR,
+ MX6_PAD_ENET_RX_ER__USB_OTG_ID,
+};
+
+static iomux_v3_cfg_t const usb_hc1_pads[] = {
+ MX6_PAD_ENET_TXD1__GPIO1_IO29,
+};
+
+static void setup_usb(void)
+{
+ imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
+ ARRAY_SIZE(usb_otg_pads));
+
+ /*
+ * set daisy chain for otg_pin_id on 6q.
+ * for 6dl, this bit is reserved
+ */
+ imx_iomux_set_gpr_register(1, 13, 1, 0);
+
+ imx_iomux_v3_setup_multiple_pads(usb_hc1_pads,
+ ARRAY_SIZE(usb_hc1_pads));
+}
+
+int board_ehci_hcd_init(int port)
+{
+ u32 *usbnc_usb_ctrl;
+
+ if (port > 1)
+ return -EINVAL;
+
+ usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
+ port * 4);
+
+ setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
+
+ return 0;
+}
+
+int board_ehci_power(int port, int on)
+{
+ switch (port) {
+ case 0:
+ break;
+ case 1:
+ if (on)
+ gpio_direction_output(IMX_GPIO_NR(1, 29), 1);
+ else
+ gpio_direction_output(IMX_GPIO_NR(1, 29), 0);
+ break;
+ default:
+ printf("MXC USB port %d not yet supported\n", port);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+#endif
+
int board_early_init_f(void)
{
setup_iomux_uart();
#ifdef CONFIG_MXC_SPI
setup_spi();
#endif
+ setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+
+#ifdef CONFIG_USB_EHCI_MX6
+ setup_usb();
+#endif
return 0;
}
+int power_init_board(void)
+{
+ struct pmic *p;
+ unsigned int reg, ret;
+
+ p = pfuze_common_init(I2C_PMIC);
+ if (!p)
+ return -ENODEV;
+
+ ret = pfuze_mode_init(p, APS_PFM);
+ if (ret < 0)
+ return ret;
+
+ /* Increase VGEN3 from 2.5 to 2.8V */
+ pmic_reg_read(p, PFUZE100_VGEN3VOL, ®);
+ reg &= ~LDO_VOL_MASK;
+ reg |= LDOB_2_80V;
+ pmic_reg_write(p, PFUZE100_VGEN3VOL, reg);
+
+ /* Increase VGEN5 from 2.8 to 3V */
+ pmic_reg_read(p, PFUZE100_VGEN5VOL, ®);
+ reg &= ~LDO_VOL_MASK;
+ reg |= LDOB_3_00V;
+ pmic_reg_write(p, PFUZE100_VGEN5VOL, reg);
+
+ return 0;
+}
+
+#ifdef CONFIG_MXC_SPI
+int board_spi_cs_gpio(unsigned bus, unsigned cs)
+{
+ return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1;
+}
+#endif
+
#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
/* 4 bit bus width */
#ifdef CONFIG_CMD_BMODE
add_board_boot_modes(board_boot_modes);
#endif
-
return 0;
}
puts("Board: MX6-SabreSD\n");
return 0;
}
+
+#ifdef CONFIG_SPL_BUILD
+#include <spl.h>
+#include <libfdt.h>
+
+const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = {
+ .dram_sdclk_0 = 0x00020030,
+ .dram_sdclk_1 = 0x00020030,
+ .dram_cas = 0x00020030,
+ .dram_ras = 0x00020030,
+ .dram_reset = 0x00020030,
+ .dram_sdcke0 = 0x00003000,
+ .dram_sdcke1 = 0x00003000,
+ .dram_sdba2 = 0x00000000,
+ .dram_sdodt0 = 0x00003030,
+ .dram_sdodt1 = 0x00003030,
+ .dram_sdqs0 = 0x00000030,
+ .dram_sdqs1 = 0x00000030,
+ .dram_sdqs2 = 0x00000030,
+ .dram_sdqs3 = 0x00000030,
+ .dram_sdqs4 = 0x00000030,
+ .dram_sdqs5 = 0x00000030,
+ .dram_sdqs6 = 0x00000030,
+ .dram_sdqs7 = 0x00000030,
+ .dram_dqm0 = 0x00020030,
+ .dram_dqm1 = 0x00020030,
+ .dram_dqm2 = 0x00020030,
+ .dram_dqm3 = 0x00020030,
+ .dram_dqm4 = 0x00020030,
+ .dram_dqm5 = 0x00020030,
+ .dram_dqm6 = 0x00020030,
+ .dram_dqm7 = 0x00020030,
+};
+
+const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = {
+ .grp_ddr_type = 0x000C0000,
+ .grp_ddrmode_ctl = 0x00020000,
+ .grp_ddrpke = 0x00000000,
+ .grp_addds = 0x00000030,
+ .grp_ctlds = 0x00000030,
+ .grp_ddrmode = 0x00020000,
+ .grp_b0ds = 0x00000030,
+ .grp_b1ds = 0x00000030,
+ .grp_b2ds = 0x00000030,
+ .grp_b3ds = 0x00000030,
+ .grp_b4ds = 0x00000030,
+ .grp_b5ds = 0x00000030,
+ .grp_b6ds = 0x00000030,
+ .grp_b7ds = 0x00000030,
+};
+
+const struct mx6_mmdc_calibration mx6_mmcd_calib = {
+ .p0_mpwldectrl0 = 0x001F001F,
+ .p0_mpwldectrl1 = 0x001F001F,
+ .p1_mpwldectrl0 = 0x00440044,
+ .p1_mpwldectrl1 = 0x00440044,
+ .p0_mpdgctrl0 = 0x434B0350,
+ .p0_mpdgctrl1 = 0x034C0359,
+ .p1_mpdgctrl0 = 0x434B0350,
+ .p1_mpdgctrl1 = 0x03650348,
+ .p0_mprddlctl = 0x4436383B,
+ .p1_mprddlctl = 0x39393341,
+ .p0_mpwrdlctl = 0x35373933,
+ .p1_mpwrdlctl = 0x48254A36,
+};
+
+static struct mx6_ddr3_cfg mem_ddr = {
+ .mem_speed = 1600,
+ .density = 4,
+ .width = 64,
+ .banks = 8,
+ .rowaddr = 14,
+ .coladdr = 10,
+ .pagesz = 2,
+ .trcd = 1375,
+ .trcmin = 4875,
+ .trasmin = 3500,
+};
+
+static void ccgr_init(void)
+{
+ struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+ writel(0x00C03F3F, &ccm->CCGR0);
+ writel(0x0030FC03, &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]);
+}
+
+/*
+ * This section requires the differentiation between iMX6 Sabre boards, but
+ * for now, it will configure only for the mx6q variant.
+ */
+static void spl_dram_init(void)
+{
+ struct mx6_ddr_sysinfo sysinfo = {
+ /* width of data bus:0=16,1=32,2=64 */
+ .dsize = mem_ddr.width/32,
+ /* config for full 4GB range so that get_mem_size() works */
+ .cs_density = 32, /* 32Gb per CS */
+ /* single chip select */
+ .ncs = 1,
+ .cs1_mirror = 0,
+ .rtt_wr = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Wr = RZQ/4 */
+#ifdef RTT_NOM_120OHM
+ .rtt_nom = 2 /*DDR3_RTT_120_OHM*/, /* RTT_Nom = RZQ/2 */
+#else
+ .rtt_nom = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Nom = RZQ/4 */
+#endif
+ .walat = 1, /* Write additional latency */
+ .ralat = 5, /* Read additional latency */
+ .mif3_mode = 3, /* Command prediction working mode */
+ .bi_on = 1, /* Bank interleaving enabled */
+ .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
+ .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
+ };
+
+ mx6dq_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
+ mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
+}
+
+void board_init_f(ulong dummy)
+{
+ /* setup AIPS and disable watchdog */
+ arch_cpu_init();
+
+ ccgr_init();
+ gpr_init();
+
+ /* iomux and setup of i2c */
+ board_early_init_f();
+
+ /* setup GP timer */
+ timer_init();
+
+ /* UART clocks enabled and gd valid - init serial console */
+ preloader_console_init();
+
+ /* DDR initialization */
+ spl_dram_init();
+
+ /* Clear the BSS. */
+ memset(__bss_start, 0, __bss_end - __bss_start);
+
+ /* load/boot image from boot device */
+ board_init_r(NULL, 0);
+}
+
+void reset_cpu(ulong addr)
+{
+}
+#endif
projects / karo-tx-uboot.git / blobdiff