xref: /openbmc/u-boot/board/warp7/warp7.c (revision 32c9e1c2)
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2016 NXP Semiconductors
4  * Author: Fabio Estevam <fabio.estevam@nxp.com>
5  */
6 
7 #include <asm/arch/clock.h>
8 #include <asm/arch/imx-regs.h>
9 #include <asm/arch/mx7-pins.h>
10 #include <asm/arch/sys_proto.h>
11 #include <asm/gpio.h>
12 #include <asm/mach-imx/hab.h>
13 #include <asm/mach-imx/iomux-v3.h>
14 #include <asm/mach-imx/mxc_i2c.h>
15 #include <asm/io.h>
16 #include <common.h>
17 #include <fsl_esdhc.h>
18 #include <i2c.h>
19 #include <mmc.h>
20 #include <asm/arch/crm_regs.h>
21 #include <usb.h>
22 #include <netdev.h>
23 #include <power/pmic.h>
24 #include <power/pfuze3000_pmic.h>
25 #include "../freescale/common/pfuze.h"
26 #include <asm/setup.h>
27 #include <asm/bootm.h>
28 
29 DECLARE_GLOBAL_DATA_PTR;
30 
31 #define UART_PAD_CTRL  (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU100KOHM | \
32 			PAD_CTL_HYS)
33 
34 int dram_init(void)
35 {
36 	gd->ram_size = PHYS_SDRAM_SIZE;
37 
38 	/* Subtract the defined OPTEE runtime firmware length */
39 #ifdef CONFIG_OPTEE_TZDRAM_SIZE
40 		gd->ram_size -= CONFIG_OPTEE_TZDRAM_SIZE;
41 #endif
42 
43 	return 0;
44 }
45 
46 static iomux_v3_cfg_t const wdog_pads[] = {
47 	MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
48 };
49 
50 static iomux_v3_cfg_t const uart1_pads[] = {
51 	MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
52 	MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
53 };
54 
55 static void setup_iomux_uart(void)
56 {
57 	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
58 };
59 
60 int board_early_init_f(void)
61 {
62 	setup_iomux_uart();
63 
64 	return 0;
65 }
66 
67 #ifdef CONFIG_DM_PMIC
68 int power_init_board(void)
69 {
70 	struct udevice *dev;
71 	int ret, dev_id, rev_id;
72 
73 	ret = pmic_get("pfuze3000", &dev);
74 	if (ret == -ENODEV)
75 		return 0;
76 	if (ret != 0)
77 		return ret;
78 
79 	dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
80 	rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
81 	printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
82 
83 	/* disable Low Power Mode during standby mode */
84 	pmic_clrsetbits(dev, PFUZE3000_LDOGCTL, 0, 1);
85 
86 	return 0;
87 }
88 #endif
89 
90 int board_eth_init(bd_t *bis)
91 {
92 	int ret = 0;
93 
94 #ifdef CONFIG_USB_ETHER
95 	ret = usb_eth_initialize(bis);
96 	if (ret < 0)
97 		printf("Error %d registering USB ether.\n", ret);
98 #endif
99 
100 	return ret;
101 }
102 
103 int board_init(void)
104 {
105 	/* address of boot parameters */
106 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
107 
108 	return 0;
109 }
110 
111 int checkboard(void)
112 {
113 	char *mode;
114 
115 	if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT))
116 		mode = "secure";
117 	else
118 		mode = "non-secure";
119 
120 #ifdef CONFIG_OPTEE_TZDRAM_SIZE
121 	unsigned long optee_start, optee_end;
122 
123 	optee_end = PHYS_SDRAM + PHYS_SDRAM_SIZE;
124 	optee_start = optee_end - CONFIG_OPTEE_TZDRAM_SIZE;
125 
126 	printf("Board: WARP7 in %s mode OPTEE DRAM 0x%08lx-0x%08lx\n",
127 	       mode, optee_start, optee_end);
128 #else
129 	printf("Board: WARP7 in %s mode\n", mode);
130 #endif
131 
132 	return 0;
133 }
134 
135 int board_usb_phy_mode(int port)
136 {
137 	return USB_INIT_DEVICE;
138 }
139 
140 int board_late_init(void)
141 {
142 	struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
143 #ifdef CONFIG_SERIAL_TAG
144 	struct tag_serialnr serialnr;
145 	char serial_string[0x20];
146 #endif
147 
148 	imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
149 
150 	set_wdog_reset(wdog);
151 
152 	/*
153 	 * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
154 	 * since we use PMIC_PWRON to reset the board.
155 	 */
156 	clrsetbits_le16(&wdog->wcr, 0, 0x10);
157 
158 #ifdef CONFIG_SECURE_BOOT
159 	/* Determine HAB state */
160 	env_set_ulong(HAB_ENABLED_ENVNAME, imx_hab_is_enabled());
161 #else
162 	env_set_ulong(HAB_ENABLED_ENVNAME, 0);
163 #endif
164 
165 #ifdef CONFIG_SERIAL_TAG
166 	/* Set serial# standard environment variable based on OTP settings */
167 	get_board_serial(&serialnr);
168 	snprintf(serial_string, sizeof(serial_string), "WaRP7-0x%08x%08x",
169 		 serialnr.low, serialnr.high);
170 	env_set("serial#", serial_string);
171 #endif
172 
173 	return 0;
174 }
175