1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2018-2019 Toradex AG
7 #include <linux/delay.h>
9 #include <asm/arch/clock.h>
10 #include <asm/arch/crm_regs.h>
11 #include <asm/arch/imx-regs.h>
12 #include <asm/arch-mx6/clock.h>
13 #include <asm/arch-mx6/imx-regs.h>
14 #include <asm/arch-mx6/mx6ull_pins.h>
15 #include <asm/arch/sys_proto.h>
17 #include <asm/mach-imx/boot_mode.h>
18 #include <asm/mach-imx/iomux-v3.h>
21 #include <dm/platform_data/serial_mxc.h>
23 #include <fdt_support.h>
24 #include <imx_thermal.h>
25 #include <jffs2/load_kernel.h>
26 #include <linux/sizes.h>
31 #include "../common/tdx-common.h"
32 #include "../common/tdx-cfg-block.h"
34 DECLARE_GLOBAL_DATA_PTR;
36 #define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \
39 #define MX6_PAD_SNVS_PMIC_STBY_REQ_ADDR 0x2290040
41 #define NAND_PAD_CTRL (PAD_CTL_DSE_48ohm | PAD_CTL_SRE_SLOW | PAD_CTL_HYS)
43 #define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_48ohm | PAD_CTL_PUS_22K_UP)
47 gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
52 #ifdef CONFIG_NAND_MXS
53 static void setup_gpmi_nand(void)
55 setup_gpmi_io_clk((3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) |
56 (3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET));
58 #endif /* CONFIG_NAND_MXS */
60 #ifdef CONFIG_DM_VIDEO
61 static iomux_v3_cfg_t const backlight_pads[] = {
63 MX6_PAD_JTAG_TMS__GPIO1_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
64 /* Backlight PWM<A> (multiplexed pin) */
65 MX6_PAD_NAND_WP_B__GPIO4_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
68 #define GPIO_BL_ON IMX_GPIO_NR(1, 11)
69 #define GPIO_PWM_A IMX_GPIO_NR(4, 11)
71 static int setup_lcd(void)
73 imx_iomux_v3_setup_multiple_pads(backlight_pads, ARRAY_SIZE(backlight_pads));
76 gpio_request(GPIO_BL_ON, "BL_ON");
77 gpio_direction_output(GPIO_BL_ON, 1);
79 /* Set PWM<A> to full brightness (assuming inversed polarity) */
80 gpio_request(GPIO_PWM_A, "PWM<A>");
81 gpio_direction_output(GPIO_PWM_A, 0);
88 static int setup_fec(void)
90 struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
93 /* provide the PHY clock from the i.MX 6 */
94 ret = enable_fec_anatop_clock(1, ENET_50MHZ);
98 /* Use 50M anatop REF_CLK and output it on ENET2_TX_CLK */
99 clrsetbits_le32(&iomuxc_regs->gpr[1],
100 IOMUX_GPR1_FEC2_CLOCK_MUX2_SEL_MASK,
101 IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
103 /* give new Ethernet PHY power save mode circuitry time to settle */
109 int board_phy_config(struct phy_device *phydev)
111 if (phydev->drv->config)
112 phydev->drv->config(phydev);
115 #endif /* CONFIG_FEC_MXC */
119 /* address of boot parameters */
120 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
122 #ifdef CONFIG_FEC_MXC
126 #ifdef CONFIG_NAND_MXS
132 #ifdef CONFIG_CMD_BMODE
134 static const struct boot_mode board_boot_modes[] = {
135 /* 4 bit bus width */
136 {"nand", MAKE_CFGVAL(0x40, 0x34, 0x00, 0x00)},
137 {"sd1", MAKE_CFGVAL(0x10, 0x10, 0x00, 0x00)},
142 int board_late_init(void)
144 #ifdef CONFIG_TDX_CFG_BLOCK
146 * If we have a valid config block and it says we are a module with
147 * Wi-Fi/Bluetooth make sure we use the -wifi device tree.
149 if (tdx_hw_tag.prodid == COLIBRI_IMX6ULL_WIFI_BT_IT ||
150 tdx_hw_tag.prodid == COLIBRI_IMX6ULL_WIFI_BT)
151 env_set("variant", "-wifi");
155 * Disable output driver of PAD CCM_PMIC_STBY_REQ. This prevents the
156 * SOC to request for a lower voltage during sleep. This is necessary
157 * because the voltage is changing too slow for the SOC to wake up
160 __raw_writel(0x8080, MX6_PAD_SNVS_PMIC_STBY_REQ_ADDR);
162 #ifdef CONFIG_CMD_BMODE
163 add_board_boot_modes(board_boot_modes);
166 #ifdef CONFIG_CMD_USB_SDP
167 if (is_boot_from_usb()) {
168 printf("Serial Downloader recovery mode, using sdp command\n");
169 env_set("bootdelay", "0");
170 env_set("bootcmd", "sdp 0");
172 #endif /* CONFIG_CMD_USB_SDP */
174 #if defined(CONFIG_DM_VIDEO)
183 printf("Model: Toradex Colibri iMX6ULL\n");
188 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
189 int ft_board_setup(void *blob, struct bd_info *bd)
191 #if defined(CONFIG_FDT_FIXUP_PARTITIONS)
192 static struct node_info nodes[] = {
193 { "fsl,imx6ull-gpmi-nand", MTD_DEV_TYPE_NAND, },
194 { "fsl,imx6q-gpmi-nand", MTD_DEV_TYPE_NAND, },
197 /* Update partition nodes using info from mtdparts env var */
198 puts(" Updating MTD partitions...\n");
199 fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
202 return ft_common_board_setup(blob, bd);
206 static struct mxc_serial_plat mxc_serial_plat = {
207 .reg = (struct mxc_uart *)UART1_BASE,
211 U_BOOT_DRVINFO(mxc_serial) = {
212 .name = "serial_mxc",
213 .plat = &mxc_serial_plat,