* Copyright (C) 2013, Adeneo Embedded <www.adeneo-embedded.com>
* Leo Sartre, <lsartre@adeneo-embedded.com>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/iomux.h>
#include <asm/arch/mx6-pins.h>
#include <asm/gpio.h>
-#include <asm/imx-common/iomux-v3.h>
-#include <asm/imx-common/boot_mode.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/mach-imx/sata.h>
+#include <asm/mach-imx/boot_mode.h>
+#include <asm/mach-imx/mxc_i2c.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/arch/crm_regs.h>
#include <mmc.h>
#include <fsl_esdhc.h>
+#include <i2c.h>
+#include <power/pmic.h>
+#include <power/pfuze100_pmic.h>
+#include <linux/fb.h>
+#include <ipu_pixfmt.h>
+#include <malloc.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <micrel.h>
+#include <spi_flash.h>
+#include <spi.h>
DECLARE_GLOBAL_DATA_PTR;
#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW |\
PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
+ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
+ PAD_CTL_ODE | PAD_CTL_SRE_FAST)
+
+#define SPI_PAD_CTRL (PAD_CTL_HYS | \
+ PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
+
+#define MX6Q_QMX6_PFUZE_MUX IMX_GPIO_NR(6, 9)
+
+
+#define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
+ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
+
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 uart2_pads[] = {
- MX6_PAD_EIM_D26__UART2_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
- MX6_PAD_EIM_D27__UART2_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+static iomux_v3_cfg_t const uart2_pads[] = {
+ IOMUX_PADS(PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
+};
+
+#ifndef CONFIG_SPL_BUILD
+static iomux_v3_cfg_t const usdhc2_pads[] = {
+ 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)),
+ IOMUX_PADS(PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+};
+
+static iomux_v3_cfg_t const usdhc3_pads[] = {
+ IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+};
+#endif
+
+static iomux_v3_cfg_t const usdhc4_pads[] = {
+ IOMUX_PADS(PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
+ IOMUX_PADS(PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
};
-iomux_v3_cfg_t const usdhc2_pads[] = {
- MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT0__USDHC2_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT1__USDHC2_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT2__USDHC2_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD2_DAT3__USDHC2_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_GPIO_4__GPIO_1_4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+static iomux_v3_cfg_t const usb_otg_pads[] = {
+ IOMUX_PADS(PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL)),
};
-iomux_v3_cfg_t const usdhc4_pads[] = {
- MX6_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DAT0__USDHC4_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DAT1__USDHC4_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DAT2__USDHC4_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DAT3__USDHC4_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DAT4__USDHC4_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DAT5__USDHC4_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DAT6__USDHC4_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD4_DAT7__USDHC4_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NANDF_D6__GPIO_2_6 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
+static iomux_v3_cfg_t enet_pads_ksz9031[] = {
+ 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)),
+ IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_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)),
+ IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RXC__GPIO6_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RD0__GPIO6_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RD1__GPIO6_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RD2__GPIO6_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RD3__GPIO6_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+ IOMUX_PADS(PAD_RGMII_RX_CTL__GPIO6_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL)),
};
+static iomux_v3_cfg_t enet_pads_final_ksz9031[] = {
+ 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)),
+ IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ 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)),
+};
+
+static iomux_v3_cfg_t enet_pads_ar8035[] = {
+ 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)),
+ IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_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)),
+ IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ 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)),
+ IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
+ 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)),
+};
+
+static iomux_v3_cfg_t const ecspi1_pads[] = {
+ IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)),
+ IOMUX_PADS(PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL)),
+};
+
+#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
+struct i2c_pads_info mx6q_i2c_pad_info1 = {
+ .scl = {
+ .i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL | PC,
+ .gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12 | PC,
+ .gp = IMX_GPIO_NR(4, 12)
+ },
+ .sda = {
+ .i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA | PC,
+ .gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13 | PC,
+ .gp = IMX_GPIO_NR(4, 13)
+ }
+};
+
+struct i2c_pads_info mx6dl_i2c_pad_info1 = {
+ .scl = {
+ .i2c_mode = MX6DL_PAD_KEY_COL3__I2C2_SCL | PC,
+ .gpio_mode = MX6DL_PAD_KEY_COL3__GPIO4_IO12 | PC,
+ .gp = IMX_GPIO_NR(4, 12)
+ },
+ .sda = {
+ .i2c_mode = MX6DL_PAD_KEY_ROW3__I2C2_SDA | PC,
+ .gpio_mode = MX6DL_PAD_KEY_ROW3__GPIO4_IO13 | PC,
+ .gp = IMX_GPIO_NR(4, 13)
+ }
+};
+
+#define I2C_PMIC 1 /* I2C2 port is used to connect to the PMIC */
+
+struct interface_level {
+ char *name;
+ uchar value;
+};
+
+static struct interface_level mipi_levels[] = {
+ {"0V0", 0x00},
+ {"2V5", 0x17},
+};
+
+/* setup board specific PMIC */
+int power_init_board(void)
+{
+ struct pmic *p;
+ u32 id1, id2, i;
+ int ret;
+ char const *lv_mipi;
+
+ /* configure I2C multiplexer */
+ gpio_direction_output(MX6Q_QMX6_PFUZE_MUX, 1);
+
+ power_pfuze100_init(I2C_PMIC);
+ p = pmic_get("PFUZE100");
+ if (!p)
+ return -EINVAL;
+
+ ret = pmic_probe(p);
+ if (ret)
+ return ret;
+
+ pmic_reg_read(p, PFUZE100_DEVICEID, &id1);
+ pmic_reg_read(p, PFUZE100_REVID, &id2);
+ printf("PFUZE100 Rev. [%02x/%02x] detected\n", id1, id2);
+
+ if (id2 >= 0x20)
+ return 0;
+
+ /* set level of MIPI if specified */
+ lv_mipi = env_get("lv_mipi");
+ if (lv_mipi)
+ return 0;
+
+ for (i = 0; i < ARRAY_SIZE(mipi_levels); i++) {
+ if (!strcmp(mipi_levels[i].name, lv_mipi)) {
+ printf("set MIPI level %s\n", mipi_levels[i].name);
+ ret = pmic_reg_write(p, PFUZE100_VGEN4VOL,
+ mipi_levels[i].value);
+ if (ret)
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ struct phy_device *phydev;
+ struct mii_dev *bus;
+ unsigned short id1, id2;
+ int ret;
+
+ /* check whether KSZ9031 or AR8035 has to be configured */
+ SETUP_IOMUX_PADS(enet_pads_ar8035);
+
+ /* phy reset */
+ gpio_direction_output(IMX_GPIO_NR(3, 23), 0);
+ udelay(2000);
+ gpio_set_value(IMX_GPIO_NR(3, 23), 1);
+ udelay(500);
+
+ bus = fec_get_miibus(IMX_FEC_BASE, -1);
+ if (!bus)
+ return -EINVAL;
+ phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII);
+ if (!phydev) {
+ printf("Error: phy device not found.\n");
+ ret = -ENODEV;
+ goto free_bus;
+ }
+
+ /* get the PHY id */
+ id1 = phy_read(phydev, MDIO_DEVAD_NONE, 2);
+ id2 = phy_read(phydev, MDIO_DEVAD_NONE, 3);
+
+ if ((id1 == 0x22) && ((id2 & 0xFFF0) == 0x1620)) {
+ /* re-configure for Micrel KSZ9031 */
+ printf("configure Micrel KSZ9031 Ethernet Phy at address %d\n",
+ phydev->addr);
+
+ /* phy reset: gpio3-23 */
+ gpio_set_value(IMX_GPIO_NR(3, 23), 0);
+ gpio_set_value(IMX_GPIO_NR(6, 30), (phydev->addr >> 2));
+ gpio_set_value(IMX_GPIO_NR(6, 25), 1);
+ gpio_set_value(IMX_GPIO_NR(6, 27), 1);
+ gpio_set_value(IMX_GPIO_NR(6, 28), 1);
+ gpio_set_value(IMX_GPIO_NR(6, 29), 1);
+ SETUP_IOMUX_PADS(enet_pads_ksz9031);
+ gpio_set_value(IMX_GPIO_NR(6, 24), 1);
+ udelay(500);
+ gpio_set_value(IMX_GPIO_NR(3, 23), 1);
+ SETUP_IOMUX_PADS(enet_pads_final_ksz9031);
+ } else if ((id1 == 0x004d) && (id2 == 0xd072)) {
+ /* configure Atheros AR8035 - actually nothing to do */
+ printf("configure Atheros AR8035 Ethernet Phy at address %d\n",
+ phydev->addr);
+ } else {
+ printf("Unknown Ethernet-Phy: 0x%04x 0x%04x\n", id1, id2);
+ ret = -EINVAL;
+ goto free_phydev;
+ }
+
+ 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;
+}
+
+int mx6_rgmii_rework(struct phy_device *phydev)
+{
+ unsigned short id1, id2;
+ unsigned short val;
+
+ /* check whether KSZ9031 or AR8035 has to be configured */
+ id1 = phy_read(phydev, MDIO_DEVAD_NONE, 2);
+ id2 = phy_read(phydev, MDIO_DEVAD_NONE, 3);
+
+ if ((id1 == 0x22) && ((id2 & 0xFFF0) == 0x1620)) {
+ /* finalize phy configuration for Micrel KSZ9031 */
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 4);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x0000);
+
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 5);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, MII_KSZ9031_MOD_REG);
+
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 6);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0xFFFF);
+
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 8);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x3FFF);
+
+ /* fix KSZ9031 link up issue */
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 0x0);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x4);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_NO_POST_INC);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x6);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_REG);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x3);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_NO_POST_INC);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x1A80);
+ }
+
+ if ((id1 == 0x004d) && (id2 == 0xd072)) {
+ /* enable AR8035 ouput a 125MHz clk from CLK_25M */
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 0x7);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, MII_KSZ9031_MOD_DATA_POST_INC_RW | 0x16);
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_NO_POST_INC | 0x7);
+ val = phy_read(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA);
+ val &= 0xfe63;
+ val |= 0x18;
+ phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, val);
+
+ /* introduce tx clock delay */
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
+ val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
+ val |= 0x0100;
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
+
+ /* disable hibernation */
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0xb);
+ val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3c40);
+ }
+ return 0;
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+ mx6_rgmii_rework(phydev);
+
+ if (phydev->drv->config)
+ phydev->drv->config(phydev);
+
+ return 0;
+}
+
static void setup_iomux_uart(void)
{
- imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
+ SETUP_IOMUX_PADS(uart2_pads);
}
+#ifdef CONFIG_MXC_SPI
+static void setup_spi(void)
+{
+ SETUP_IOMUX_PADS(ecspi1_pads);
+ gpio_direction_output(IMX_GPIO_NR(3, 19), 0);
+}
+#endif
+
#ifdef CONFIG_FSL_ESDHC
-struct fsl_esdhc_cfg usdhc_cfg[] = {
+static struct fsl_esdhc_cfg usdhc_cfg[] = {
{USDHC2_BASE_ADDR},
+ {USDHC3_BASE_ADDR},
{USDHC4_BASE_ADDR},
};
gpio_direction_input(IMX_GPIO_NR(1, 4));
ret = !gpio_get_value(IMX_GPIO_NR(1, 4));
break;
+ case USDHC3_BASE_ADDR:
+ ret = 1; /* eMMC is always present */
+ break;
case USDHC4_BASE_ADDR:
gpio_direction_input(IMX_GPIO_NR(2, 6));
ret = !gpio_get_value(IMX_GPIO_NR(2, 6));
int board_mmc_init(bd_t *bis)
{
+#ifndef CONFIG_SPL_BUILD
s32 status = 0;
+ int i;
usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
- usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
+ usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+ usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
- imx_iomux_v3_setup_multiple_pads(
- usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
- imx_iomux_v3_setup_multiple_pads(
- usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
+ SETUP_IOMUX_PADS(usdhc2_pads);
+ SETUP_IOMUX_PADS(usdhc3_pads);
+ SETUP_IOMUX_PADS(usdhc4_pads);
- status = fsl_esdhc_initialize(bis, &usdhc_cfg[0]) |
- fsl_esdhc_initialize(bis, &usdhc_cfg[1]);
+ for (i = 0; i < ARRAY_SIZE(usdhc_cfg); i++) {
+ status = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
+ if (status)
+ return status;
+ }
- return status;
+ return 0;
+#else
+ SETUP_IOMUX_PADS(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;
+
+ return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+#endif
}
#endif
+int board_ehci_hcd_init(int port)
+{
+ switch (port) {
+ case 0:
+ SETUP_IOMUX_PADS(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, 1);
+ break;
+ case 1:
+ /* nothing to do */
+ break;
+ default:
+ printf("Invalid USB port: %d\n", port);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int board_ehci_power(int port, int on)
+{
+ switch (port) {
+ case 0:
+ break;
+ case 1:
+ gpio_direction_output(IMX_GPIO_NR(5, 5), on);
+ break;
+ default:
+ printf("Invalid USB port: %d\n", port);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+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 void disable_lvds(struct display_info_t const *dev)
+{
+ struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+ clrbits_le32(&iomux->gpr[2], IOMUXC_GPR2_LVDS_CH0_MODE_MASK |
+ IOMUXC_GPR2_LVDS_CH1_MODE_MASK);
+}
+
+static void do_enable_hdmi(struct display_info_t const *dev)
+{
+ disable_lvds(dev);
+ imx_enable_hdmi_phy();
+}
+
+static struct display_info_t const displays[] = {
+{
+ .bus = -1,
+ .addr = 0,
+ .pixfmt = IPU_PIX_FMT_RGB666,
+ .detect = NULL,
+ .enable = NULL,
+ .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 } },
+{
+ .bus = -1,
+ .addr = 0,
+ .pixfmt = IPU_PIX_FMT_RGB24,
+ .detect = NULL,
+ .enable = do_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 } }
+};
+
+int board_video_skip(void)
+{
+ int i;
+ int ret;
+ char const *panel = env_get("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) {
+ if (displays[i].enable)
+ 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;
+}
+
+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, LDB1, IPU,IPU DI0 clocks */
+ setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK |
+ MXC_CCM_CCGR3_LDB_DI1_MASK);
+
+ /* 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);
+
+ setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV |
+ MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV);
+
+ setbits_le32(&mxc_ccm->chsccdr, CHSCCDR_CLK_SEL_LDB_DI0 <<
+ MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET |
+ CHSCCDR_CLK_SEL_LDB_DI0 <<
+ MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET);
+
+ reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
+ | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW
+ | 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_CH0_MODE_DISABLED
+ | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0;
+ writel(reg, &iomux->gpr[2]);
+
+ reg = readl(&iomux->gpr[3]);
+ reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
+ IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) |
+ (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
+ IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET);
+ writel(reg, &iomux->gpr[3]);
+}
+
+/*
+ * Do not overwrite the console
+ * Use always serial for U-Boot console
+ */
+int overwrite_console(void)
+{
+ return 1;
+}
+
int board_early_init_f(void)
{
setup_iomux_uart();
+ setup_display();
+#ifdef CONFIG_MXC_SPI
+ setup_spi();
+#endif
return 0;
}
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+ if (is_mx6dq())
+ setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info1);
+ else
+ setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info1);
+
+#ifdef CONFIG_SATA
+ setup_sata();
+#endif
+
return 0;
}
int checkboard(void)
{
- puts("Board: Conga-QEVAL QMX6 Quad\n");
+ char *type = "unknown";
+
+ if (is_cpu_type(MXC_CPU_MX6Q))
+ type = "Quad";
+ else if (is_cpu_type(MXC_CPU_MX6D))
+ type = "Dual";
+ else if (is_cpu_type(MXC_CPU_MX6DL))
+ type = "Dual-Lite";
+ else if (is_cpu_type(MXC_CPU_MX6SOLO))
+ type = "Solo";
+
+ printf("Board: conga-QMX6 %s\n", type);
return 0;
}
+#ifdef CONFIG_MXC_SPI
+int board_spi_cs_gpio(unsigned bus, unsigned cs)
+{
+ return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(3, 19)) : -EINVAL;
+}
+#endif
+
#ifdef CONFIG_CMD_BMODE
static const struct boot_mode board_boot_modes[] = {
/* 4 bit bus width */
#endif
return 0;
}
+
+int board_late_init(void)
+{
+#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
+ if (is_mx6dq())
+ env_set("board_rev", "MX6Q");
+ else
+ env_set("board_rev", "MX6DL");
+#endif
+
+ return 0;
+}
+
+#ifdef CONFIG_SPL_BUILD
+#include <asm/arch/mx6-ddr.h>
+#include <spl.h>
+#include <libfdt.h>
+#include <spi_flash.h>
+#include <spi.h>
+
+const struct mx6dq_iomux_ddr_regs mx6q_ddr_ioregs = {
+ .dram_sdclk_0 = 0x00000030,
+ .dram_sdclk_1 = 0x00000030,
+ .dram_cas = 0x00000030,
+ .dram_ras = 0x00000030,
+ .dram_reset = 0x00000030,
+ .dram_sdcke0 = 0x00003000,
+ .dram_sdcke1 = 0x00003000,
+ .dram_sdba2 = 0x00000000,
+ .dram_sdodt0 = 0x00000030,
+ .dram_sdodt1 = 0x00000030,
+ .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 = 0x00000030,
+ .dram_dqm1 = 0x00000030,
+ .dram_dqm2 = 0x00000030,
+ .dram_dqm3 = 0x00000030,
+ .dram_dqm4 = 0x00000030,
+ .dram_dqm5 = 0x00000030,
+ .dram_dqm6 = 0x00000030,
+ .dram_dqm7 = 0x00000030,
+};
+
+static const struct mx6sdl_iomux_ddr_regs mx6dl_ddr_ioregs = {
+ .dram_sdclk_0 = 0x00000030,
+ .dram_sdclk_1 = 0x00000030,
+ .dram_cas = 0x00000030,
+ .dram_ras = 0x00000030,
+ .dram_reset = 0x00000030,
+ .dram_sdcke0 = 0x00003000,
+ .dram_sdcke1 = 0x00003000,
+ .dram_sdba2 = 0x00000000,
+ .dram_sdodt0 = 0x00000030,
+ .dram_sdodt1 = 0x00000030,
+ .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 = 0x00000030,
+ .dram_dqm1 = 0x00000030,
+ .dram_dqm2 = 0x00000030,
+ .dram_dqm3 = 0x00000030,
+ .dram_dqm4 = 0x00000030,
+ .dram_dqm5 = 0x00000030,
+ .dram_dqm6 = 0x00000030,
+ .dram_dqm7 = 0x00000030,
+};
+
+const struct mx6dq_iomux_grp_regs mx6q_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,
+};
+
+static const struct mx6sdl_iomux_grp_regs mx6sdl_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 mx6q_mmcd_calib = {
+ .p0_mpwldectrl0 = 0x0016001A,
+ .p0_mpwldectrl1 = 0x0023001C,
+ .p1_mpwldectrl0 = 0x0028003A,
+ .p1_mpwldectrl1 = 0x001F002C,
+ .p0_mpdgctrl0 = 0x43440354,
+ .p0_mpdgctrl1 = 0x033C033C,
+ .p1_mpdgctrl0 = 0x43300368,
+ .p1_mpdgctrl1 = 0x03500330,
+ .p0_mprddlctl = 0x3228242E,
+ .p1_mprddlctl = 0x2C2C2636,
+ .p0_mpwrdlctl = 0x36323A38,
+ .p1_mpwrdlctl = 0x42324440,
+};
+
+const struct mx6_mmdc_calibration mx6q_2g_mmcd_calib = {
+ .p0_mpwldectrl0 = 0x00080016,
+ .p0_mpwldectrl1 = 0x001D0016,
+ .p1_mpwldectrl0 = 0x0018002C,
+ .p1_mpwldectrl1 = 0x000D001D,
+ .p0_mpdgctrl0 = 0x43200334,
+ .p0_mpdgctrl1 = 0x0320031C,
+ .p1_mpdgctrl0 = 0x0344034C,
+ .p1_mpdgctrl1 = 0x03380314,
+ .p0_mprddlctl = 0x3E36383A,
+ .p1_mprddlctl = 0x38363240,
+ .p0_mpwrdlctl = 0x36364238,
+ .p1_mpwrdlctl = 0x4230423E,
+};
+
+static const struct mx6_mmdc_calibration mx6s_mmcd_calib = {
+ .p0_mpwldectrl0 = 0x00480049,
+ .p0_mpwldectrl1 = 0x00410044,
+ .p0_mpdgctrl0 = 0x42480248,
+ .p0_mpdgctrl1 = 0x023C023C,
+ .p0_mprddlctl = 0x40424644,
+ .p0_mpwrdlctl = 0x34323034,
+};
+
+const struct mx6_mmdc_calibration mx6dl_mmcd_calib = {
+ .p0_mpwldectrl0 = 0x0043004B,
+ .p0_mpwldectrl1 = 0x003A003E,
+ .p1_mpwldectrl0 = 0x0047004F,
+ .p1_mpwldectrl1 = 0x004E0061,
+ .p0_mpdgctrl0 = 0x42500250,
+ .p0_mpdgctrl1 = 0x0238023C,
+ .p1_mpdgctrl0 = 0x42640264,
+ .p1_mpdgctrl1 = 0x02500258,
+ .p0_mprddlctl = 0x40424846,
+ .p1_mprddlctl = 0x46484842,
+ .p0_mpwrdlctl = 0x38382C30,
+ .p1_mpwrdlctl = 0x34343430,
+};
+
+static struct mx6_ddr3_cfg mem_ddr_2g = {
+ .mem_speed = 1600,
+ .density = 2,
+ .width = 16,
+ .banks = 8,
+ .rowaddr = 14,
+ .coladdr = 10,
+ .pagesz = 2,
+ .trcd = 1310,
+ .trcmin = 4875,
+ .trasmin = 3500,
+};
+
+static struct mx6_ddr3_cfg mem_ddr_4g = {
+ .mem_speed = 1600,
+ .density = 4,
+ .width = 16,
+ .banks = 8,
+ .rowaddr = 15,
+ .coladdr = 10,
+ .pagesz = 2,
+ .trcd = 1310,
+ .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]);
+}
+
+/* Define a minimal structure so that the part number can be read via SPL */
+struct mfgdata {
+ unsigned char tsize;
+ /* size of checksummed part in bytes */
+ unsigned char ckcnt;
+ /* checksum corrected byte */
+ unsigned char cksum;
+ /* decimal serial number, packed BCD */
+ unsigned char serial[6];
+ /* part number, right justified, ASCII */
+ unsigned char pn[16];
+};
+
+static void conv_ascii(unsigned char *dst, unsigned char *src, int len)
+{
+ int remain = len;
+ unsigned char *sptr = src;
+ unsigned char *dptr = dst;
+
+ while (remain) {
+ if (*sptr) {
+ *dptr = *sptr;
+ dptr++;
+ }
+ sptr++;
+ remain--;
+ }
+ *dptr = 0x0;
+}
+
+#define CFG_MFG_ADDR_OFFSET (spi->size - SZ_16K)
+static bool is_2gb(void)
+{
+ struct spi_flash *spi;
+ int ret;
+ char buf[sizeof(struct mfgdata)];
+ struct mfgdata *data = (struct mfgdata *)buf;
+ unsigned char outbuf[32];
+
+ spi = spi_flash_probe(CONFIG_ENV_SPI_BUS,
+ CONFIG_ENV_SPI_CS,
+ CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
+ ret = spi_flash_read(spi, CFG_MFG_ADDR_OFFSET, sizeof(struct mfgdata),
+ buf);
+ if (ret)
+ return false;
+
+ /* Congatec Part Numbers 104 and 105 have 2GiB of RAM */
+ conv_ascii(outbuf, data->pn, sizeof(data->pn));
+ if (!memcmp(outbuf, "016104", 6) || !memcmp(outbuf, "016105", 6))
+ return true;
+ else
+ return false;
+}
+
+static void spl_dram_init(int width)
+{
+ struct mx6_ddr_sysinfo sysinfo = {
+ /* width of data bus:0=16,1=32,2=64 */
+ .dsize = 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 = 2,
+ .rtt_nom = 2,
+ .walat = 0,
+ .ralat = 5,
+ .mif3_mode = 3,
+ .bi_on = 1,
+ .sde_to_rst = 0x0d,
+ .rst_to_cke = 0x20,
+ .refsel = 1, /* Refresh cycles at 32KHz */
+ .refr = 7, /* 8 refresh commands per refresh cycle */
+ };
+
+ if (is_cpu_type(MXC_CPU_MX6Q) && is_2gb()) {
+ mx6dq_dram_iocfg(width, &mx6q_ddr_ioregs, &mx6q_grp_ioregs);
+ mx6_dram_cfg(&sysinfo, &mx6q_2g_mmcd_calib, &mem_ddr_4g);
+ return;
+ }
+
+ if (is_mx6dq()) {
+ mx6dq_dram_iocfg(width, &mx6q_ddr_ioregs, &mx6q_grp_ioregs);
+ mx6_dram_cfg(&sysinfo, &mx6q_mmcd_calib, &mem_ddr_2g);
+ } else if (is_cpu_type(MXC_CPU_MX6SOLO)) {
+ sysinfo.walat = 1;
+ mx6sdl_dram_iocfg(width, &mx6dl_ddr_ioregs, &mx6sdl_grp_ioregs);
+ mx6_dram_cfg(&sysinfo, &mx6s_mmcd_calib, &mem_ddr_4g);
+ } else if (is_cpu_type(MXC_CPU_MX6DL)) {
+ sysinfo.walat = 1;
+ mx6sdl_dram_iocfg(width, &mx6dl_ddr_ioregs, &mx6sdl_grp_ioregs);
+ mx6_dram_cfg(&sysinfo, &mx6dl_mmcd_calib, &mem_ddr_2g);
+ }
+}
+
+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();
+
+ /* Needed for malloc() to work in SPL prior to board_init_r() */
+ spl_init();
+
+ /* DDR initialization */
+ 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);
+
+ /* load/boot image from boot device */
+ board_init_r(NULL, 0);
+}
+#endif
projects / platform / kernel / u-boot.git / blobdiff