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Fabio Estevam47173482016-02-29 09:33:22 -03001/*
2 * Copyright (C) 2016 NXP Semiconductors
3 * Author: Fabio Estevam <fabio.estevam@nxp.com>
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8#include <asm/arch/clock.h>
9#include <asm/arch/imx-regs.h>
10#include <asm/arch/mx7-pins.h>
11#include <asm/arch/sys_proto.h>
12#include <asm/gpio.h>
13#include <asm/imx-common/iomux-v3.h>
Vanessa Maegima7d301a52016-08-19 10:21:36 -030014#include <asm/imx-common/mxc_i2c.h>
Fabio Estevam47173482016-02-29 09:33:22 -030015#include <asm/io.h>
16#include <common.h>
17#include <fsl_esdhc.h>
Vanessa Maegima7d301a52016-08-19 10:21:36 -030018#include <i2c.h>
Fabio Estevam47173482016-02-29 09:33:22 -030019#include <mmc.h>
20#include <asm/arch/crm_regs.h>
21#include <usb.h>
Vanessa Maegima7d301a52016-08-19 10:21:36 -030022#include <power/pmic.h>
23#include <power/pfuze3000_pmic.h>
24#include "../freescale/common/pfuze.h"
Fabio Estevam47173482016-02-29 09:33:22 -030025
26DECLARE_GLOBAL_DATA_PTR;
27
28#define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU100KOHM | \
29 PAD_CTL_HYS)
30#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
31 PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
32
Vanessa Maegima7d301a52016-08-19 10:21:36 -030033#define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
34 PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM)
35
36#ifdef CONFIG_SYS_I2C_MXC
37#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
38/* I2C1 for PMIC */
39static struct i2c_pads_info i2c_pad_info1 = {
40 .scl = {
41 .i2c_mode = MX7D_PAD_I2C1_SCL__I2C1_SCL | PC,
42 .gpio_mode = MX7D_PAD_I2C1_SCL__GPIO4_IO8 | PC,
43 .gp = IMX_GPIO_NR(4, 8),
44 },
45 .sda = {
46 .i2c_mode = MX7D_PAD_I2C1_SDA__I2C1_SDA | PC,
47 .gpio_mode = MX7D_PAD_I2C1_SDA__GPIO4_IO9 | PC,
48 .gp = IMX_GPIO_NR(4, 9),
49 },
50};
51#endif
52
Fabio Estevam47173482016-02-29 09:33:22 -030053int dram_init(void)
54{
55 gd->ram_size = PHYS_SDRAM_SIZE;
56
57 return 0;
58}
59
Marco Franchi0a35cc92016-06-10 14:45:28 -030060static iomux_v3_cfg_t const wdog_pads[] = {
61 MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
62};
63
Fabio Estevam47173482016-02-29 09:33:22 -030064static iomux_v3_cfg_t const uart1_pads[] = {
65 MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
66 MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
67};
68
69static iomux_v3_cfg_t const usdhc3_pads[] = {
70 MX7D_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
71 MX7D_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
72 MX7D_PAD_SD3_DATA0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
73 MX7D_PAD_SD3_DATA1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
74 MX7D_PAD_SD3_DATA2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
75 MX7D_PAD_SD3_DATA3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
76 MX7D_PAD_SD3_DATA4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
77 MX7D_PAD_SD3_DATA5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
78 MX7D_PAD_SD3_DATA6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
79 MX7D_PAD_SD3_DATA7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
80 MX7D_PAD_SD3_RESET_B__SD3_RESET_B | MUX_PAD_CTRL(USDHC_PAD_CTRL),
81};
82
83static void setup_iomux_uart(void)
84{
85 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
86};
87
88static struct fsl_esdhc_cfg usdhc_cfg[1] = {
89 {USDHC3_BASE_ADDR},
90};
91
92int board_mmc_getcd(struct mmc *mmc)
93{
94 /* Assume uSDHC3 emmc is always present */
95 return 1;
96}
97
98int board_mmc_init(bd_t *bis)
99{
100 imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
101 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
102
103 return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
104}
105
106int board_early_init_f(void)
107{
108 setup_iomux_uart();
109
110 return 0;
111}
112
Vanessa Maegima7d301a52016-08-19 10:21:36 -0300113#ifdef CONFIG_POWER
114#define I2C_PMIC 0
115static struct pmic *pfuze;
116int power_init_board(void)
117{
118 int ret;
119 unsigned int reg, rev_id;
120
121 ret = power_pfuze3000_init(I2C_PMIC);
122 if (ret)
123 return ret;
124
125 pfuze = pmic_get("PFUZE3000");
126 ret = pmic_probe(pfuze);
127 if (ret)
128 return ret;
129
130 pmic_reg_read(pfuze, PFUZE3000_DEVICEID, &reg);
131 pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id);
132 printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id);
133
134 /* disable Low Power Mode during standby mode */
135 pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, 0x1);
136
137 return 0;
138}
139#endif
140
Fabio Estevam47173482016-02-29 09:33:22 -0300141int board_init(void)
142{
143 /* address of boot parameters */
144 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
145
Vanessa Maegima7d301a52016-08-19 10:21:36 -0300146 #ifdef CONFIG_SYS_I2C_MXC
147 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
148 #endif
149
Fabio Estevam47173482016-02-29 09:33:22 -0300150 return 0;
151}
152
153int checkboard(void)
154{
Fabio Estevamd4ee5042016-08-25 21:07:20 -0300155 char *mode;
156
157 if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT))
158 mode = "secure";
159 else
160 mode = "non-secure";
161
162 printf("Board: WARP7 in %s mode\n", mode);
Fabio Estevam47173482016-02-29 09:33:22 -0300163
164 return 0;
165}
166
167int board_usb_phy_mode(int port)
168{
169 return USB_INIT_DEVICE;
170}
Marco Franchi0a35cc92016-06-10 14:45:28 -0300171
172int board_late_init(void)
173{
174 struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
175
176 imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
177
178 set_wdog_reset(wdog);
179
180 /*
181 * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
182 * since we use PMIC_PWRON to reset the board.
183 */
184 clrsetbits_le16(&wdog->wcr, 0, 0x10);
185
186 return 0;
187}