| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2014 Freescale Semiconductor, Inc. |
| * |
| * Author: Ye Li <ye.li@nxp.com> |
| */ |
| |
| #include <init.h> |
| #include <net.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/crm_regs.h> |
| #include <asm/arch/iomux.h> |
| #include <asm/arch/imx-regs.h> |
| #include <asm/arch/mx6-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/boot_mode.h> |
| #include <asm/io.h> |
| #include <linux/delay.h> |
| #include <linux/sizes.h> |
| #include <common.h> |
| #include <fsl_esdhc_imx.h> |
| #include <miiphy.h> |
| #include <netdev.h> |
| #include <power/pmic.h> |
| #include <power/pfuze100_pmic.h> |
| #include "../common/pfuze.h" |
| #include <usb.h> |
| #include <usb/ehci-ci.h> |
| #include <pca953x.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ |
| PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) |
| |
| #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ |
| PAD_CTL_SPEED_HIGH | \ |
| PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST) |
| |
| #define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST) |
| |
| #define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ |
| PAD_CTL_SPEED_HIGH | 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) |
| |
| int dram_init(void) |
| { |
| gd->ram_size = imx_ddr_size(); |
| |
| return 0; |
| } |
| |
| static iomux_v3_cfg_t const uart1_pads[] = { |
| MX6_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL), |
| }; |
| |
| static iomux_v3_cfg_t const fec2_pads[] = { |
| MX6_PAD_ENET1_MDC__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_ENET1_MDIO__ENET2_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII2_RX_CTL__ENET2_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX6_PAD_RGMII2_RD0__ENET2_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX6_PAD_RGMII2_RD1__ENET2_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX6_PAD_RGMII2_RD2__ENET2_RX_DATA_2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX6_PAD_RGMII2_RD3__ENET2_RX_DATA_3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX6_PAD_RGMII2_RXC__ENET2_RX_CLK | MUX_PAD_CTRL(ENET_RX_PAD_CTRL), |
| MX6_PAD_RGMII2_TX_CTL__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII2_TD0__ENET2_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII2_TD1__ENET2_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII2_TD2__ENET2_TX_DATA_2 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII2_TD3__ENET2_TX_DATA_3 | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| MX6_PAD_RGMII2_TXC__ENET2_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL), |
| }; |
| |
| static void setup_iomux_uart(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); |
| } |
| |
| static int setup_fec(void) |
| { |
| struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR; |
| |
| /* Use 125MHz anatop loopback REF_CLK1 for ENET2 */ |
| clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK, 0); |
| |
| return enable_fec_anatop_clock(1, ENET_125MHZ); |
| } |
| |
| int board_eth_init(struct bd_info *bis) |
| { |
| int ret; |
| |
| imx_iomux_v3_setup_multiple_pads(fec2_pads, ARRAY_SIZE(fec2_pads)); |
| setup_fec(); |
| |
| ret = fecmxc_initialize_multi(bis, 1, |
| CFG_FEC_MXC_PHYADDR, IMX_FEC_BASE); |
| if (ret) |
| printf("FEC%d MXC: %s:failed\n", 1, __func__); |
| |
| return ret; |
| } |
| |
| int board_phy_config(struct phy_device *phydev) |
| { |
| /* |
| * Enable 1.8V(SEL_1P5_1P8_POS_REG) on |
| * Phy control debug reg 0 |
| */ |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f); |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8); |
| |
| /* rgmii tx clock delay enable */ |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05); |
| phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100); |
| |
| if (phydev->drv->config) |
| phydev->drv->config(phydev); |
| |
| return 0; |
| } |
| |
| int power_init_board(void) |
| { |
| struct udevice *dev; |
| int ret; |
| u32 dev_id, rev_id, i; |
| u32 switch_num = 6; |
| u32 offset = PFUZE100_SW1CMODE; |
| |
| ret = pmic_get("pfuze100", &dev); |
| if (ret == -ENODEV) |
| return 0; |
| |
| if (ret != 0) |
| return ret; |
| |
| dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID); |
| rev_id = pmic_reg_read(dev, PFUZE100_REVID); |
| printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id); |
| |
| |
| /* Init mode to APS_PFM */ |
| pmic_reg_write(dev, PFUZE100_SW1ABMODE, APS_PFM); |
| |
| for (i = 0; i < switch_num - 1; i++) |
| pmic_reg_write(dev, offset + i * SWITCH_SIZE, APS_PFM); |
| |
| /* set SW1AB staby volatage 0.975V */ |
| pmic_clrsetbits(dev, PFUZE100_SW1ABSTBY, 0x3f, 0x1b); |
| |
| /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ |
| pmic_clrsetbits(dev, PFUZE100_SW1ABCONF, 0xc0, 0x40); |
| |
| /* set SW1C staby volatage 1.10V */ |
| pmic_clrsetbits(dev, PFUZE100_SW1CSTBY, 0x3f, 0x20); |
| |
| /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */ |
| pmic_clrsetbits(dev, PFUZE100_SW1CCONF, 0xc0, 0x40); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_USB_EHCI_MX6 |
| #define USB_OTHERREGS_OFFSET 0x800 |
| #define UCTRL_PWR_POL (1 << 9) |
| |
| static iomux_v3_cfg_t const usb_otg_pads[] = { |
| /* OGT1 */ |
| MX6_PAD_GPIO1_IO09__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), |
| MX6_PAD_GPIO1_IO10__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL), |
| /* OTG2 */ |
| MX6_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL) |
| }; |
| |
| static void setup_usb(void) |
| { |
| imx_iomux_v3_setup_multiple_pads(usb_otg_pads, |
| ARRAY_SIZE(usb_otg_pads)); |
| } |
| |
| int board_usb_phy_mode(int port) |
| { |
| if (port == 1) |
| return USB_INIT_HOST; |
| else |
| return usb_phy_mode(port); |
| } |
| |
| int board_ehci_hcd_init(int port) |
| { |
| u32 *usbnc_usb_ctrl; |
| |
| if (port > 1) |
| return -EINVAL; |
| |
| usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET + |
| port * 4); |
| |
| /* Set Power polarity */ |
| setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL); |
| |
| return 0; |
| } |
| #endif |
| |
| int board_early_init_f(void) |
| { |
| setup_iomux_uart(); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_FSL_QSPI |
| int board_qspi_init(void) |
| { |
| /* Set the clock */ |
| enable_qspi_clk(0); |
| |
| return 0; |
| } |
| #endif |
| |
| #ifdef CONFIG_NAND_MXS |
| iomux_v3_cfg_t gpmi_pads[] = { |
| MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0), |
| MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2), |
| }; |
| |
| 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)); |
| |
| setup_gpmi_io_clk((MXC_CCM_CS2CDR_QSPI2_CLK_PODF(0) | |
| MXC_CCM_CS2CDR_QSPI2_CLK_PRED(3) | |
| MXC_CCM_CS2CDR_QSPI2_CLK_SEL(3))); |
| |
| /* enable apbh clock gating */ |
| setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); |
| } |
| #endif |
| |
| int board_init(void) |
| { |
| struct gpio_desc desc; |
| int ret; |
| |
| /* Address of boot parameters */ |
| gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; |
| |
| ret = dm_gpio_lookup_name("gpio@30_4", &desc); |
| if (ret) |
| return ret; |
| |
| ret = dm_gpio_request(&desc, "cpu_per_rst_b"); |
| if (ret) |
| return ret; |
| /* Reset CPU_PER_RST_B signal for enet phy and PCIE */ |
| dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT); |
| udelay(500); |
| dm_gpio_set_value(&desc, 1); |
| |
| ret = dm_gpio_lookup_name("gpio@32_2", &desc); |
| if (ret) |
| return ret; |
| |
| ret = dm_gpio_request(&desc, "steer_enet"); |
| if (ret) |
| return ret; |
| |
| dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT); |
| udelay(500); |
| /* Set steering signal to L for selecting B0 */ |
| dm_gpio_set_value(&desc, 0); |
| |
| #ifdef CONFIG_USB_EHCI_MX6 |
| setup_usb(); |
| #endif |
| |
| #ifdef CONFIG_FSL_QSPI |
| board_qspi_init(); |
| #endif |
| |
| #ifdef CONFIG_NAND_MXS |
| setup_gpmi_nand(); |
| #endif |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_CMD_BMODE |
| static const struct boot_mode board_boot_modes[] = { |
| {"sda", MAKE_CFGVAL(0x42, 0x30, 0x00, 0x00)}, |
| {"sdb", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)}, |
| {"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)}, |
| {"nand", MAKE_CFGVAL(0x82, 0x00, 0x00, 0x00)}, |
| {NULL, 0}, |
| }; |
| #endif |
| |
| int board_late_init(void) |
| { |
| #ifdef CONFIG_CMD_BMODE |
| add_board_boot_modes(board_boot_modes); |
| #endif |
| |
| return 0; |
| } |
| |
| int checkboard(void) |
| { |
| puts("Board: MX6SX SABRE AUTO\n"); |
| |
| return 0; |
| } |