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-rw-r--r--roms/u-boot/board/technexion/pico-imx7d/pico-imx7d.c247
1 files changed, 247 insertions, 0 deletions
diff --git a/roms/u-boot/board/technexion/pico-imx7d/pico-imx7d.c b/roms/u-boot/board/technexion/pico-imx7d/pico-imx7d.c
new file mode 100644
index 000000000..2d749dac1
--- /dev/null
+++ b/roms/u-boot/board/technexion/pico-imx7d/pico-imx7d.c
@@ -0,0 +1,247 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 NXP Semiconductors
+ */
+
+#include <init.h>
+#include <net.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/mx7-pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/global_data.h>
+#include <asm/gpio.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/mach-imx/mxc_i2c.h>
+#include <asm/io.h>
+#include <common.h>
+#include <i2c.h>
+#include <miiphy.h>
+#include <power/pmic.h>
+#include <power/pfuze3000_pmic.h>
+#include "../../freescale/common/pfuze.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | \
+ PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)
+
+#define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
+ PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM)
+
+#ifdef CONFIG_SYS_I2C_MXC
+#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
+
+/* I2C4 for PMIC */
+static struct i2c_pads_info i2c_pad_info4 = {
+ .scl = {
+ .i2c_mode = MX7D_PAD_SAI1_RX_SYNC__I2C4_SCL | PC,
+ .gpio_mode = MX7D_PAD_SAI1_RX_SYNC__GPIO6_IO16 | PC,
+ .gp = IMX_GPIO_NR(6, 16),
+ },
+ .sda = {
+ .i2c_mode = MX7D_PAD_SAI1_RX_BCLK__I2C4_SDA | PC,
+ .gpio_mode = MX7D_PAD_SAI1_RX_BCLK__GPIO6_IO17 | PC,
+ .gp = IMX_GPIO_NR(6, 17),
+ },
+};
+#endif
+
+int dram_init(void)
+{
+ gd->ram_size = imx_ddr_size();
+
+ /* Subtract the defined OPTEE runtime firmware length */
+#ifdef CONFIG_OPTEE_TZDRAM_SIZE
+ gd->ram_size -= CONFIG_OPTEE_TZDRAM_SIZE;
+#endif
+
+ return 0;
+}
+
+#ifdef CONFIG_POWER
+#define I2C_PMIC 3
+int power_init_board(void)
+{
+ struct pmic *p;
+ int ret;
+ unsigned int reg, rev_id;
+
+ ret = power_pfuze3000_init(I2C_PMIC);
+ if (ret)
+ return ret;
+
+ p = pmic_get("PFUZE3000");
+ ret = pmic_probe(p);
+ if (ret) {
+ printf("Warning: Cannot find PMIC PFUZE3000\n");
+ printf("\tPower consumption is not optimized.\n");
+ return 0;
+ }
+
+ pmic_reg_read(p, PFUZE3000_DEVICEID, &reg);
+ pmic_reg_read(p, PFUZE3000_REVID, &rev_id);
+ printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id);
+
+ /* disable Low Power Mode during standby mode */
+ pmic_reg_read(p, PFUZE3000_LDOGCTL, &reg);
+ reg |= 0x1;
+ pmic_reg_write(p, PFUZE3000_LDOGCTL, reg);
+
+ /* SW1A/1B mode set to APS/APS */
+ reg = 0x8;
+ pmic_reg_write(p, PFUZE3000_SW1AMODE, reg);
+ pmic_reg_write(p, PFUZE3000_SW1BMODE, reg);
+
+ /* SW1A/1B standby voltage set to 1.025V */
+ reg = 0xd;
+ pmic_reg_write(p, PFUZE3000_SW1ASTBY, reg);
+ pmic_reg_write(p, PFUZE3000_SW1BSTBY, reg);
+
+ /* decrease SW1B normal voltage to 0.975V */
+ pmic_reg_read(p, PFUZE3000_SW1BVOLT, &reg);
+ reg &= ~0x1f;
+ reg |= PFUZE3000_SW1AB_SETP(975);
+ pmic_reg_write(p, PFUZE3000_SW1BVOLT, reg);
+
+ return 0;
+}
+#endif
+
+static iomux_v3_cfg_t const wdog_pads[] = {
+ MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const uart5_pads[] = {
+ MX7D_PAD_I2C4_SCL__UART5_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+ MX7D_PAD_I2C4_SDA__UART5_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+#ifdef CONFIG_FEC_MXC
+static int setup_fec(void)
+{
+ struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs
+ = (struct iomuxc_gpr_base_regs *)IOMUXC_GPR_BASE_ADDR;
+
+ /* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17] */
+ clrsetbits_le32(&iomuxc_gpr_regs->gpr[1],
+ (IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK |
+ IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0);
+
+ return set_clk_enet(ENET_125MHZ);
+}
+
+int board_phy_config(struct phy_device *phydev)
+{
+ unsigned short val;
+
+ /* To enable AR8035 ouput a 125MHz clk from CLK_25M */
+ phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016);
+ phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007);
+
+ val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe);
+ val &= 0xffe7;
+ val |= 0x18;
+ phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 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);
+
+ if (phydev->drv->config)
+ phydev->drv->config(phydev);
+
+ return 0;
+}
+#endif
+
+static void setup_iomux_uart(void)
+{
+ imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads));
+}
+
+int board_early_init_f(void)
+{
+ setup_iomux_uart();
+
+#ifdef CONFIG_SYS_I2C_MXC
+ setup_i2c(3, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info4);
+#endif
+
+ return 0;
+}
+
+#ifdef CONFIG_DM_VIDEO
+void setup_lcd(void)
+{
+ gpio_request(IMX_GPIO_NR(1, 11), "lcd_brightness");
+ gpio_request(IMX_GPIO_NR(1, 6), "lcd_enable");
+ /* Set Brightness to high */
+ gpio_direction_output(IMX_GPIO_NR(1, 11) , 1);
+ /* Set LCD enable to high */
+ gpio_direction_output(IMX_GPIO_NR(1, 6) , 1);
+}
+#endif
+
+int board_init(void)
+{
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+#ifdef CONFIG_DM_VIDEO
+ setup_lcd();
+#endif
+#ifdef CONFIG_FEC_MXC
+ setup_fec();
+#endif
+
+ return 0;
+}
+
+int board_late_init(void)
+{
+ struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
+
+ imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
+
+ set_wdog_reset(wdog);
+
+ /*
+ * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
+ * since we use PMIC_PWRON to reset the board.
+ */
+ clrsetbits_le16(&wdog->wcr, 0, 0x10);
+
+ return 0;
+}
+
+int checkboard(void)
+{
+ puts("Board: i.MX7D PICOSOM\n");
+
+ return 0;
+}
+
+static iomux_v3_cfg_t const usb_otg2_pads[] = {
+ MX7D_PAD_UART3_CTS_B__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
+int board_ehci_hcd_init(int port)
+{
+ switch (port) {
+ case 0:
+ break;
+ case 1:
+ imx_iomux_v3_setup_multiple_pads(usb_otg2_pads,
+ ARRAY_SIZE(usb_otg2_pads));
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+