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