*
* Author: Fabio Estevam <fabio.estevam@freescale.com>
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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.
+ * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/clock.h>
#include <asm/arch/imx-regs.h>
#include <asm/arch/iomux.h>
-#include <asm/arch/mx6q_pins.h>
+#include <asm/arch/mx6-pins.h>
#include <asm/errno.h>
#include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/mxc_i2c.h>
#include <asm/imx-common/boot_mode.h>
+#include <asm/imx-common/spi.h>
#include <mmc.h>
#include <fsl_esdhc.h>
#include <miiphy.h>
#include <netdev.h>
#include <asm/arch/sys_proto.h>
+#include <i2c.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/imx-common/video.h>
+#include <asm/arch/crm_regs.h>
+#include <pca953x.h>
DECLARE_GLOBAL_DATA_PTR;
#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
+#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 GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP)
+#define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \
+ PAD_CTL_SRE_FAST)
+#define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1)
+
+#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
+
int dram_init(void)
{
gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
return 0;
}
-iomux_v3_cfg_t const uart4_pads[] = {
- MX6_PAD_KEY_COL0__UART4_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
- MX6_PAD_KEY_ROW0__UART4_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+static iomux_v3_cfg_t const uart4_pads[] = {
+ MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+ MX6_PAD_KEY_ROW0__UART4_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_KEY_COL1__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
MX6_PAD_KEY_COL2__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TXC__ENET_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TD0__ENET_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TD1__ENET_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TD2__ENET_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_TD3__ENET_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_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),
MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_RXC__ENET_RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_RD0__ENET_RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_RD1__ENET_RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_RD2__ENET_RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_RGMII_RD3__ENET_RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
+ 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),
};
+/* I2C2 PMIC, iPod, Tuner, Codec, Touch, HDMI EDID, MIPI CSI2 card */
+static struct i2c_pads_info i2c_pad_info1 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC,
+ .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC,
+ .gp = IMX_GPIO_NR(2, 30)
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC,
+ .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | PC,
+ .gp = IMX_GPIO_NR(4, 13)
+ }
+};
+
+/*
+ * I2C3 MLB, Port Expanders (A, B, C), Video ADC, Light Sensor,
+ * Compass Sensor, Accelerometer, Res Touch
+ */
+static struct i2c_pads_info i2c_pad_info2 = {
+ .scl = {
+ .i2c_mode = MX6_PAD_GPIO_3__I2C3_SCL | PC,
+ .gpio_mode = MX6_PAD_GPIO_3__GPIO1_IO03 | PC,
+ .gp = IMX_GPIO_NR(1, 3)
+ },
+ .sda = {
+ .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC,
+ .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC,
+ .gp = IMX_GPIO_NR(3, 18)
+ }
+};
+
+static iomux_v3_cfg_t const i2c3_pads[] = {
+ MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const port_exp[] = {
+ MX6_PAD_SD2_DAT0__GPIO1_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+/*Define for building port exp gpio, pin starts from 0*/
+#define PORTEXP_IO_NR(chip, pin) \
+ ((chip << 5) + pin)
+
+/*Get the chip addr from a ioexp gpio*/
+#define PORTEXP_IO_TO_CHIP(gpio_nr) \
+ (gpio_nr >> 5)
+
+/*Get the pin number from a ioexp gpio*/
+#define PORTEXP_IO_TO_PIN(gpio_nr) \
+ (gpio_nr & 0x1f)
+
+static int port_exp_direction_output(unsigned gpio, int value)
+{
+ int ret;
+
+ i2c_set_bus_num(2);
+ ret = i2c_probe(PORTEXP_IO_TO_CHIP(gpio));
+ if (ret)
+ return ret;
+
+ ret = pca953x_set_dir(PORTEXP_IO_TO_CHIP(gpio),
+ (1 << PORTEXP_IO_TO_PIN(gpio)),
+ (PCA953X_DIR_OUT << PORTEXP_IO_TO_PIN(gpio)));
+
+ if (ret)
+ return ret;
+
+ ret = pca953x_set_val(PORTEXP_IO_TO_CHIP(gpio),
+ (1 << PORTEXP_IO_TO_PIN(gpio)),
+ (value << PORTEXP_IO_TO_PIN(gpio)));
+
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
static void setup_iomux_enet(void)
{
imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
}
-iomux_v3_cfg_t const usdhc3_pads[] = {
- MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DAT4__USDHC3_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DAT5__USDHC3_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DAT6__USDHC3_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD3_DAT7__USDHC3_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_GPIO_18__USDHC3_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NANDF_CS2__GPIO_6_15 | MUX_PAD_CTRL(NO_PAD_CTRL),
+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_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_SD3_DAT4__SD3_DATA4 | 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_GPIO_18__SD3_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static void setup_iomux_uart(void)
}
#ifdef CONFIG_FSL_ESDHC
-struct fsl_esdhc_cfg usdhc_cfg[1] = {
+static struct fsl_esdhc_cfg usdhc_cfg[1] = {
{USDHC3_BASE_ADDR},
};
}
#endif
+#ifdef CONFIG_NAND_MXS
+static iomux_v3_cfg_t gpmi_pads[] = {
+ MX6_PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0),
+ MX6_PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
+ MX6_PAD_SD4_DAT0__NAND_DQS | MUX_PAD_CTRL(GPMI_PAD_CTRL1),
+};
+
+static void setup_gpmi_nand(void)
+{
+ struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+ /* config gpmi nand iomux */
+ imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
+
+ /* gate ENFC_CLK_ROOT clock first,before clk source switch */
+ clrbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK);
+ clrbits_le32(&mxc_ccm->CCGR4,
+ MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK);
+
+ /* config gpmi and bch clock to 100 MHz */
+ clrsetbits_le32(&mxc_ccm->cs2cdr,
+ MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK |
+ MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK |
+ MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK,
+ MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
+ MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
+ MXC_CCM_CS2CDR_ENFC_CLK_SEL(3));
+
+ /* enable ENFC_CLK_ROOT clock */
+ setbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK);
+
+ /* enable gpmi and bch clock gating */
+ setbits_le32(&mxc_ccm->CCGR4,
+ MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
+ MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
+ MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
+ MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
+ MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET);
+
+ /* enable apbh clock gating */
+ setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
+}
+#endif
+
int mx6_rgmii_rework(struct phy_device *phydev)
{
unsigned short val;
int board_eth_init(bd_t *bis)
{
- int ret;
-
setup_iomux_enet();
- ret = cpu_eth_init(bis);
- if (ret)
- printf("FEC MXC: %s:failed\n", __func__);
-
- return 0;
+ return cpu_eth_init(bis);
}
#define BOARD_REV_B 0x200
return (get_cpu_rev() & ~(0xF << 8)) | rev;
}
+#if defined(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",
+ .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;
+ int reg;
+
+ enable_ipu_clock();
+ imx_setup_hdmi();
+
+ reg = readl(&mxc_ccm->chsccdr);
+ reg |= (CHSCCDR_CLK_SEL_LDB_DI0
+ << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
+ writel(reg, &mxc_ccm->chsccdr);
+}
+#endif /* CONFIG_VIDEO_IPUV3 */
+
+/*
+ * 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();
+#ifdef CONFIG_VIDEO_IPUV3
+ setup_display();
+#endif
+#ifdef CONFIG_NAND_MXS
+ setup_gpmi_nand();
+#endif
return 0;
}
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+ /* I2C 2 and 3 setup - I2C 3 hw mux with EIM */
+ setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+ /* I2C 3 Steer */
+ gpio_direction_output(IMX_GPIO_NR(5, 4), 1);
+ imx_iomux_v3_setup_multiple_pads(i2c3_pads, ARRAY_SIZE(i2c3_pads));
+ setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2);
+
+ gpio_direction_output(IMX_GPIO_NR(1, 15), 1);
+ imx_iomux_v3_setup_multiple_pads(port_exp, ARRAY_SIZE(port_exp));
+
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 */
return 0;
}
+
+#ifdef CONFIG_USB_EHCI_MX6
+#define USB_HOST1_PWR PORTEXP_IO_NR(0x32, 7)
+#define USB_OTG_PWR PORTEXP_IO_NR(0x34, 1)
+
+iomux_v3_cfg_t const usb_otg_pads[] = {
+ MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+int board_ehci_hcd_init(int port)
+{
+ switch (port) {
+ case 0:
+ 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);
+ break;
+ case 1:
+ break;
+ default:
+ printf("MXC USB port %d not yet supported\n", port);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+int board_ehci_power(int port, int on)
+{
+ switch (port) {
+ case 0:
+ if (on)
+ port_exp_direction_output(USB_OTG_PWR, 1);
+ else
+ port_exp_direction_output(USB_OTG_PWR, 0);
+ break;
+ case 1:
+ if (on)
+ port_exp_direction_output(USB_HOST1_PWR, 1);
+ else
+ port_exp_direction_output(USB_HOST1_PWR, 0);
+ break;
+ default:
+ printf("MXC USB port %d not yet supported\n", port);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+#endif
projects / karo-tx-uboot.git / blobdiff