+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2015 Freescale Semiconductor, Inc.
*
*
* Derived from EDM_CF_IMX6 code by TechNexion,Inc
* Ported to SolidRun microSOM by Rabeeh Khoury <rabeeh@solid-run.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mx6-pins.h>
-#include <asm/errno.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <linux/errno.h>
#include <asm/gpio.h>
-#include <asm/imx-common/iomux-v3.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/mach-imx/sata.h>
+#include <asm/mach-imx/video.h>
#include <mmc.h>
#include <fsl_esdhc.h>
+#include <malloc.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/arch/crm_regs.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
-#include <asm/arch/mx6-ddr.h>
#include <spl.h>
+#include <usb.h>
+#include <usb/ehci-ci.h>
DECLARE_GLOBAL_DATA_PTR;
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
#define ETH_PHY_RESET IMX_GPIO_NR(4, 15)
+#define USB_H1_VBUS IMX_GPIO_NR(1, 0)
int dram_init(void)
{
}
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_PADS(PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+ IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
};
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_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const hb_cbi_sense[] = {
+ /* These pins are for sensing if it is a CuBox-i or a HummingBoard */
+ IOMUX_PADS(PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(UART_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_DA4__GPIO3_IO04 | MUX_PAD_CTRL(UART_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const usb_pads[] = {
+ IOMUX_PADS(PAD_GPIO_0__GPIO1_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL)),
};
static void setup_iomux_uart(void)
{
- imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+ SETUP_IOMUX_PADS(uart1_pads);
}
static struct fsl_esdhc_cfg usdhc_cfg[1] = {
int board_mmc_init(bd_t *bis)
{
- imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+ SETUP_IOMUX_PADS(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;
}
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),
+ IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
/* AR8035 reset */
- MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
+ IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
/* AR8035 interrupt */
- MX6_PAD_DI0_PIN2__GPIO4_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL),
+ IOMUX_PADS(PAD_DI0_PIN2__GPIO4_IO18 | MUX_PAD_CTRL(NO_PAD_CTRL)),
/* GPIO16 -> AR8035 25MHz */
- MX6_PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(NO_PAD_CTRL),
- MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(NO_PAD_CTRL),
- MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ IOMUX_PADS(PAD_GPIO_16__ENET_REF_CLK | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)),
/* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
- MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL_CLK),
- MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
- MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD),
- MX6_PAD_RGMII_RD2__RGMII_RD2 | 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_PD),
+ IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL_CLK)),
+ IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
+ IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
+ IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
+ IOMUX_PADS(PAD_ENET_RXD0__GPIO1_IO27 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
+ IOMUX_PADS(PAD_ENET_RXD1__GPIO1_IO26 | MUX_PAD_CTRL(ENET_PAD_CTRL_PD)),
};
static void setup_iomux_enet(void)
{
- imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
+ SETUP_IOMUX_PADS(enet_pads);
gpio_direction_output(ETH_PHY_RESET, 0);
- mdelay(2);
+ mdelay(10);
gpio_set_value(ETH_PHY_RESET, 1);
+ udelay(100);
}
int board_phy_config(struct phy_device *phydev)
return 0;
}
+/* On Cuboxi Ethernet PHY can be located at addresses 0x0 or 0x4 */
+#define ETH_PHY_MASK ((1 << 0x0) | (1 << 0x4))
+
int board_eth_init(bd_t *bis)
{
struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
+ struct mii_dev *bus;
+ struct phy_device *phydev;
- int ret = enable_fec_anatop_clock(ENET_25MHZ);
+ int ret = enable_fec_anatop_clock(0, ENET_25MHZ);
if (ret)
return ret;
setup_iomux_enet();
- return cpu_eth_init(bis);
+ bus = fec_get_miibus(IMX_FEC_BASE, -1);
+ if (!bus)
+ return -EINVAL;
+
+ phydev = phy_find_by_mask(bus, ETH_PHY_MASK, PHY_INTERFACE_MODE_RGMII);
+ if (!phydev) {
+ ret = -EINVAL;
+ goto free_bus;
+ }
+
+ debug("using phy at address %d\n", phydev->addr);
+ ret = fec_probe(bis, -1, IMX_FEC_BASE, bus, phydev);
+ if (ret)
+ goto free_phydev;
+
+ return 0;
+
+free_phydev:
+ free(phydev);
+free_bus:
+ free(bus);
+ return ret;
+}
+
+#ifdef CONFIG_VIDEO_IPUV3
+static void do_enable_hdmi(struct display_info_t const *dev)
+{
+ imx_enable_hdmi_phy();
+}
+
+struct display_info_t const displays[] = {
+ {
+ .bus = -1,
+ .addr = 0,
+ .pixfmt = IPU_PIX_FMT_RGB24,
+ .detect = detect_hdmi,
+ .enable = do_enable_hdmi,
+ .mode = {
+ .name = "HDMI",
+ /* 1024x768@60Hz (VESA)*/
+ .refresh = 60,
+ .xres = 1024,
+ .yres = 768,
+ .pixclock = 15384,
+ .left_margin = 160,
+ .right_margin = 24,
+ .upper_margin = 29,
+ .lower_margin = 3,
+ .hsync_len = 136,
+ .vsync_len = 6,
+ .sync = FB_SYNC_EXT,
+ .vmode = FB_VMODE_NONINTERLACED
+ }
+ }
+};
+
+size_t display_count = ARRAY_SIZE(displays);
+
+static int setup_display(void)
+{
+ struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+ int reg;
+ int timeout = 100000;
+
+ enable_ipu_clock();
+ imx_setup_hdmi();
+
+ /* set video pll to 455MHz (24MHz * (37+11/12) / 2) */
+ setbits_le32(&ccm->analog_pll_video, BM_ANADIG_PLL_VIDEO_POWERDOWN);
+
+ reg = readl(&ccm->analog_pll_video);
+ reg &= ~BM_ANADIG_PLL_VIDEO_DIV_SELECT;
+ reg |= BF_ANADIG_PLL_VIDEO_DIV_SELECT(37);
+ reg &= ~BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT;
+ reg |= BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1);
+ writel(reg, &ccm->analog_pll_video);
+
+ writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm->analog_pll_video_num);
+ writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm->analog_pll_video_denom);
+
+ reg &= ~BM_ANADIG_PLL_VIDEO_POWERDOWN;
+ writel(reg, &ccm->analog_pll_video);
+
+ while (timeout--)
+ if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
+ break;
+ if (timeout < 0) {
+ printf("Warning: video pll lock timeout!\n");
+ return -ETIMEDOUT;
+ }
+
+ reg = readl(&ccm->analog_pll_video);
+ reg |= BM_ANADIG_PLL_VIDEO_ENABLE;
+ reg &= ~BM_ANADIG_PLL_VIDEO_BYPASS;
+ writel(reg, &ccm->analog_pll_video);
+
+ /* gate ipu1_di0_clk */
+ clrbits_le32(&ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
+
+ /* select video_pll clock / 7 for ipu1_di0_clk -> 65MHz pixclock */
+ reg = readl(&ccm->chsccdr);
+ reg &= ~(MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_MASK |
+ MXC_CCM_CHSCCDR_IPU1_DI0_PODF_MASK |
+ MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK);
+ reg |= (2 << MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_OFFSET) |
+ (6 << MXC_CCM_CHSCCDR_IPU1_DI0_PODF_OFFSET) |
+ (0 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
+ writel(reg, &ccm->chsccdr);
+
+ /* enable ipu1_di0_clk */
+ setbits_le32(&ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
+
+ return 0;
+}
+#endif /* CONFIG_VIDEO_IPUV3 */
+
+#ifdef CONFIG_USB_EHCI_MX6
+static void setup_usb(void)
+{
+ SETUP_IOMUX_PADS(usb_pads);
+}
+
+int board_ehci_hcd_init(int port)
+{
+ if (port == 1)
+ gpio_direction_output(USB_H1_VBUS, 1);
+
+ return 0;
}
+#endif
int board_early_init_f(void)
{
setup_iomux_uart();
+
+#ifdef CONFIG_CMD_SATA
+ setup_sata();
+#endif
+
+#ifdef CONFIG_USB_EHCI_MX6
+ setup_usb();
+#endif
return 0;
}
int board_init(void)
{
+ int ret = 0;
+
/* address of boot parameters */
gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
- return 0;
+#ifdef CONFIG_VIDEO_IPUV3
+ ret = setup_display();
+#endif
+
+ return ret;
+}
+
+static bool is_hummingboard(void)
+{
+ int val1, val2;
+
+ SETUP_IOMUX_PADS(hb_cbi_sense);
+
+ gpio_direction_input(IMX_GPIO_NR(4, 9));
+ gpio_direction_input(IMX_GPIO_NR(3, 4));
+
+ val1 = gpio_get_value(IMX_GPIO_NR(4, 9));
+ val2 = gpio_get_value(IMX_GPIO_NR(3, 4));
+
+ /*
+ * Machine selection -
+ * Machine val1, val2
+ * -------------------------
+ * HB2 x x
+ * HB rev 3.x x 0
+ * CBi 0 1
+ * HB 1 1
+ */
+
+ if (val2 == 0)
+ return true;
+ else if (val1 == 0)
+ return false;
+ else
+ return true;
+}
+
+static bool is_hummingboard2(void)
+{
+ int val1;
+
+ SETUP_IOMUX_PADS(hb_cbi_sense);
+
+ gpio_direction_input(IMX_GPIO_NR(2, 8));
+
+ val1 = gpio_get_value(IMX_GPIO_NR(2, 8));
+
+ /*
+ * Machine selection -
+ * Machine val1
+ * -------------------
+ * HB2 0
+ * HB rev 3.x x
+ * CBi x
+ * HB x
+ */
+
+ if (val1 == 0)
+ return true;
+ else
+ return false;
}
int checkboard(void)
{
- puts("Board: MX6 Hummingboard\n");
+ if (is_hummingboard2())
+ puts("Board: MX6 Hummingboard2\n");
+ else if (is_hummingboard())
+ puts("Board: MX6 Hummingboard\n");
+ else
+ puts("Board: MX6 Cubox-i\n");
+
+ return 0;
+}
+
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+ if (is_hummingboard2())
+ env_set("board_name", "HUMMINGBOARD2");
+ else if (is_hummingboard())
+ env_set("board_name", "HUMMINGBOARD");
+ else
+ env_set("board_name", "CUBOXI");
+
+ if (is_mx6dq())
+ env_set("board_rev", "MX6Q");
+ else
+ env_set("board_rev", "MX6DL");
+#endif
+
return 0;
}
#ifdef CONFIG_SPL_BUILD
-static const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = {
+#include <asm/arch/mx6-ddr.h>
+static const struct mx6dq_iomux_ddr_regs mx6q_ddr_ioregs = {
.dram_sdclk_0 = 0x00020030,
.dram_sdclk_1 = 0x00020030,
.dram_cas = 0x00020030,
.dram_ras = 0x00020030,
- .dram_reset = 0x00020030,
+ .dram_reset = 0x000c0030,
.dram_sdcke0 = 0x00003000,
.dram_sdcke1 = 0x00003000,
.dram_sdba2 = 0x00000000,
.dram_dqm7 = 0x00020030,
};
-static const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = {
+static const struct mx6sdl_iomux_ddr_regs mx6dl_ddr_ioregs = {
+ .dram_sdclk_0 = 0x00000028,
+ .dram_sdclk_1 = 0x00000028,
+ .dram_cas = 0x00000028,
+ .dram_ras = 0x00000028,
+ .dram_reset = 0x000c0028,
+ .dram_sdcke0 = 0x00003000,
+ .dram_sdcke1 = 0x00003000,
+ .dram_sdba2 = 0x00000000,
+ .dram_sdodt0 = 0x00003030,
+ .dram_sdodt1 = 0x00003030,
+ .dram_sdqs0 = 0x00000028,
+ .dram_sdqs1 = 0x00000028,
+ .dram_sdqs2 = 0x00000028,
+ .dram_sdqs3 = 0x00000028,
+ .dram_sdqs4 = 0x00000028,
+ .dram_sdqs5 = 0x00000028,
+ .dram_sdqs6 = 0x00000028,
+ .dram_sdqs7 = 0x00000028,
+ .dram_dqm0 = 0x00000028,
+ .dram_dqm1 = 0x00000028,
+ .dram_dqm2 = 0x00000028,
+ .dram_dqm3 = 0x00000028,
+ .dram_dqm4 = 0x00000028,
+ .dram_dqm5 = 0x00000028,
+ .dram_dqm6 = 0x00000028,
+ .dram_dqm7 = 0x00000028,
+};
+
+static const struct mx6dq_iomux_grp_regs mx6q_grp_ioregs = {
.grp_ddr_type = 0x000C0000,
.grp_ddrmode_ctl = 0x00020000,
.grp_ddrpke = 0x00000000,
.grp_b7ds = 0x00000030,
};
-static const struct mx6_mmdc_calibration mx6_mmcd_calib = {
+static const struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = {
+ .grp_ddr_type = 0x000c0000,
+ .grp_ddrmode_ctl = 0x00020000,
+ .grp_ddrpke = 0x00000000,
+ .grp_addds = 0x00000028,
+ .grp_ctlds = 0x00000028,
+ .grp_ddrmode = 0x00020000,
+ .grp_b0ds = 0x00000028,
+ .grp_b1ds = 0x00000028,
+ .grp_b2ds = 0x00000028,
+ .grp_b3ds = 0x00000028,
+ .grp_b4ds = 0x00000028,
+ .grp_b5ds = 0x00000028,
+ .grp_b6ds = 0x00000028,
+ .grp_b7ds = 0x00000028,
+};
+
+/* microSOM with Dual processor and 1GB memory */
+static const struct mx6_mmdc_calibration mx6q_1g_mmcd_calib = {
+ .p0_mpwldectrl0 = 0x00000000,
+ .p0_mpwldectrl1 = 0x00000000,
+ .p1_mpwldectrl0 = 0x00000000,
+ .p1_mpwldectrl1 = 0x00000000,
+ .p0_mpdgctrl0 = 0x0314031c,
+ .p0_mpdgctrl1 = 0x023e0304,
+ .p1_mpdgctrl0 = 0x03240330,
+ .p1_mpdgctrl1 = 0x03180260,
+ .p0_mprddlctl = 0x3630323c,
+ .p1_mprddlctl = 0x3436283a,
+ .p0_mpwrdlctl = 0x36344038,
+ .p1_mpwrdlctl = 0x422a423c,
+};
+
+/* microSOM with Quad processor and 2GB memory */
+static const struct mx6_mmdc_calibration mx6q_2g_mmcd_calib = {
.p0_mpwldectrl0 = 0x00000000,
.p0_mpwldectrl1 = 0x00000000,
.p1_mpwldectrl0 = 0x00000000,
.p1_mpwrdlctl = 0x422a423c,
};
-static struct mx6_ddr3_cfg mem_ddr = {
+/* microSOM with Solo processor and 512MB memory */
+static const struct mx6_mmdc_calibration mx6dl_512m_mmcd_calib = {
+ .p0_mpwldectrl0 = 0x0045004D,
+ .p0_mpwldectrl1 = 0x003A0047,
+ .p0_mpdgctrl0 = 0x023C0224,
+ .p0_mpdgctrl1 = 0x02000220,
+ .p0_mprddlctl = 0x44444846,
+ .p0_mpwrdlctl = 0x32343032,
+};
+
+/* microSOM with Dual lite processor and 1GB memory */
+static const struct mx6_mmdc_calibration mx6dl_1g_mmcd_calib = {
+ .p0_mpwldectrl0 = 0x0045004D,
+ .p0_mpwldectrl1 = 0x003A0047,
+ .p1_mpwldectrl0 = 0x001F001F,
+ .p1_mpwldectrl1 = 0x00210035,
+ .p0_mpdgctrl0 = 0x023C0224,
+ .p0_mpdgctrl1 = 0x02000220,
+ .p1_mpdgctrl0 = 0x02200220,
+ .p1_mpdgctrl1 = 0x02040208,
+ .p0_mprddlctl = 0x44444846,
+ .p1_mprddlctl = 0x4042463C,
+ .p0_mpwrdlctl = 0x32343032,
+ .p1_mpwrdlctl = 0x36363430,
+};
+
+static struct mx6_ddr3_cfg mem_ddr_2g = {
.mem_speed = 1600,
.density = 2,
.width = 16,
.trcd = 1375,
.trcmin = 4875,
.trasmin = 3500,
- .SRT = 1,
+};
+
+static struct mx6_ddr3_cfg mem_ddr_4g = {
+ .mem_speed = 1600,
+ .density = 4,
+ .width = 16,
+ .banks = 8,
+ .rowaddr = 15,
+ .coladdr = 10,
+ .pagesz = 2,
+ .trcd = 1375,
+ .trcmin = 4875,
+ .trasmin = 3500,
};
static void ccgr_init(void)
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 Solidrun mx6 boards, but
- * for now, it will configure only for the mx6dual hummingboard version.
- */
-static void spl_dram_init(void)
+static void spl_dram_init(int width)
{
struct mx6_ddr_sysinfo sysinfo = {
/* width of data bus: 0=16, 1=32, 2=64 */
- .dsize = 2,
+ .dsize = width / 32,
/* config for full 4GB range so that get_mem_size() works */
.cs_density = 32, /* 32Gb per CS */
.ncs = 1, /* single chip select */
.bi_on = 1, /* Bank interleaving enabled */
.sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
.rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
+ .ddr_type = DDR_TYPE_DDR3,
+ .refsel = 1, /* Refresh cycles at 32KHz */
+ .refr = 7, /* 8 refresh commands per refresh cycle */
};
- mx6dq_dram_iocfg(64, &mx6_ddr_ioregs, &mx6_grp_ioregs);
- mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
+ if (is_mx6dq())
+ mx6dq_dram_iocfg(width, &mx6q_ddr_ioregs, &mx6q_grp_ioregs);
+ else
+ mx6sdl_dram_iocfg(width, &mx6dl_ddr_ioregs, &mx6sdl_grp_ioregs);
+
+ if (is_cpu_type(MXC_CPU_MX6D))
+ mx6_dram_cfg(&sysinfo, &mx6q_1g_mmcd_calib, &mem_ddr_2g);
+ else if (is_cpu_type(MXC_CPU_MX6Q))
+ mx6_dram_cfg(&sysinfo, &mx6q_2g_mmcd_calib, &mem_ddr_4g);
+ else if (is_cpu_type(MXC_CPU_MX6DL))
+ mx6_dram_cfg(&sysinfo, &mx6dl_1g_mmcd_calib, &mem_ddr_2g);
+ else if (is_cpu_type(MXC_CPU_MX6SOLO))
+ mx6_dram_cfg(&sysinfo, &mx6dl_512m_mmcd_calib, &mem_ddr_2g);
}
void board_init_f(ulong dummy)
preloader_console_init();
/* DDR initialization */
- spl_dram_init();
+ if (is_cpu_type(MXC_CPU_MX6SOLO))
+ spl_dram_init(32);
+ else
+ spl_dram_init(64);
/* Clear the BSS. */
memset(__bss_start, 0, __bss_end - __bss_start);
projects / platform / kernel / u-boot.git / blobdiff