202 lines
4.6 KiB
C
202 lines
4.6 KiB
C
/*
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* Copyright (C) 2016 NXP Semiconductors
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* Author: Fabio Estevam <fabio.estevam@nxp.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <asm/arch/clock.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/mx7-pins.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/gpio.h>
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#include <asm/mach-imx/iomux-v3.h>
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#include <asm/mach-imx/mxc_i2c.h>
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#include <asm/io.h>
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#include <common.h>
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#include <fsl_esdhc.h>
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#include <i2c.h>
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#include <mmc.h>
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#include <asm/arch/crm_regs.h>
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#include <usb.h>
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#include <netdev.h>
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#include <power/pmic.h>
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#include <power/pfuze3000_pmic.h>
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#include "../freescale/common/pfuze.h"
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DECLARE_GLOBAL_DATA_PTR;
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#define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU100KOHM | \
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PAD_CTL_HYS)
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#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
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PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
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#define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
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PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM)
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#ifdef CONFIG_SYS_I2C_MXC
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#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
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/* I2C1 for PMIC */
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static struct i2c_pads_info i2c_pad_info1 = {
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.scl = {
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.i2c_mode = MX7D_PAD_I2C1_SCL__I2C1_SCL | PC,
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.gpio_mode = MX7D_PAD_I2C1_SCL__GPIO4_IO8 | PC,
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.gp = IMX_GPIO_NR(4, 8),
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},
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.sda = {
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.i2c_mode = MX7D_PAD_I2C1_SDA__I2C1_SDA | PC,
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.gpio_mode = MX7D_PAD_I2C1_SDA__GPIO4_IO9 | PC,
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.gp = IMX_GPIO_NR(4, 9),
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},
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};
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#endif
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int dram_init(void)
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{
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gd->ram_size = PHYS_SDRAM_SIZE;
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return 0;
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}
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static iomux_v3_cfg_t const wdog_pads[] = {
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MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
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};
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static iomux_v3_cfg_t const uart1_pads[] = {
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MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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static iomux_v3_cfg_t const usdhc3_pads[] = {
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MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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MX7D_PAD_SD3_RESET_B__SD3_RESET_B | MUX_PAD_CTRL(USDHC_PAD_CTRL),
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};
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static void setup_iomux_uart(void)
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{
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imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
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};
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static struct fsl_esdhc_cfg usdhc_cfg[1] = {
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{USDHC3_BASE_ADDR},
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};
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int board_mmc_getcd(struct mmc *mmc)
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{
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/* Assume uSDHC3 emmc is always present */
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return 1;
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}
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int board_mmc_init(bd_t *bis)
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{
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imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
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usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
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return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
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}
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int board_early_init_f(void)
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{
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setup_iomux_uart();
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return 0;
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}
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#ifdef CONFIG_POWER
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#define I2C_PMIC 0
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static struct pmic *pfuze;
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int power_init_board(void)
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{
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int ret;
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unsigned int reg, rev_id;
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ret = power_pfuze3000_init(I2C_PMIC);
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if (ret)
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return ret;
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pfuze = pmic_get("PFUZE3000");
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ret = pmic_probe(pfuze);
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if (ret)
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return ret;
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pmic_reg_read(pfuze, PFUZE3000_DEVICEID, ®);
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pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id);
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printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id);
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/* disable Low Power Mode during standby mode */
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pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, 0x1);
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return 0;
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}
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#endif
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int board_eth_init(bd_t *bis)
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{
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int ret = 0;
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#ifdef CONFIG_USB_ETHER
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ret = usb_eth_initialize(bis);
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if (ret < 0)
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printf("Error %d registering USB ether.\n", ret);
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#endif
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return ret;
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}
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int board_init(void)
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{
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/* address of boot parameters */
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gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
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#ifdef CONFIG_SYS_I2C_MXC
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setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
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#endif
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return 0;
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}
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int checkboard(void)
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{
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char *mode;
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if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT))
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mode = "secure";
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else
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mode = "non-secure";
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printf("Board: WARP7 in %s mode\n", mode);
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return 0;
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}
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int board_usb_phy_mode(int port)
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{
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return USB_INIT_DEVICE;
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}
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int board_late_init(void)
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{
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struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
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imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
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set_wdog_reset(wdog);
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/*
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* Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
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* since we use PMIC_PWRON to reset the board.
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*/
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clrsetbits_le16(&wdog->wcr, 0, 0x10);
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return 0;
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}
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