1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2015 Freescale Semiconductor, Inc.
4 */
5
6 #include <init.h>
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/iomux-v3.h>
13 #include <asm/io.h>
14 #include <linux/sizes.h>
15 #include <common.h>
16 #include <fsl_esdhc_imx.h>
17 #include <mmc.h>
18 #include <miiphy.h>
19 #include <netdev.h>
20 #include <power/pmic.h>
21 #include <power/pfuze3000_pmic.h>
22 #include "../common/pfuze.h"
23 #include <i2c.h>
24 #include <asm/mach-imx/mxc_i2c.h>
25 #include <asm/arch/crm_regs.h>
26
27 DECLARE_GLOBAL_DATA_PTR;
28
29 #define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | \
30 PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)
31
32 #define ENET_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)
33 #define ENET_PAD_CTRL_MII (PAD_CTL_DSE_3P3V_32OHM)
34
35 #define ENET_RX_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)
36
37 #define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \
38 PAD_CTL_DSE_3P3V_49OHM)
39
40 #define NAND_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS)
41
42 #define SPI_PAD_CTRL \
43 (PAD_CTL_HYS | PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_FAST)
44
45 #define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM)
46
47 #ifdef CONFIG_MXC_SPI
48 static iomux_v3_cfg_t const ecspi3_pads[] = {
49 MX7D_PAD_SAI2_RX_DATA__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
50 MX7D_PAD_SAI2_TX_SYNC__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
51 MX7D_PAD_SAI2_TX_BCLK__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
52 MX7D_PAD_SAI2_TX_DATA__GPIO6_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
53 };
54
board_spi_cs_gpio(unsigned bus,unsigned cs)55 int board_spi_cs_gpio(unsigned bus, unsigned cs)
56 {
57 return (bus == 2 && cs == 0) ? (IMX_GPIO_NR(6, 22)) : -1;
58 }
59
setup_spi(void)60 static void setup_spi(void)
61 {
62 imx_iomux_v3_setup_multiple_pads(ecspi3_pads, ARRAY_SIZE(ecspi3_pads));
63 }
64 #endif
65
dram_init(void)66 int dram_init(void)
67 {
68 gd->ram_size = PHYS_SDRAM_SIZE;
69
70 return 0;
71 }
72
73 static iomux_v3_cfg_t const wdog_pads[] = {
74 MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
75 };
76
77 static iomux_v3_cfg_t const uart1_pads[] = {
78 MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
79 MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
80 };
81
82 #ifdef CONFIG_NAND_MXS
83 static iomux_v3_cfg_t const gpmi_pads[] = {
84 MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL),
85 MX7D_PAD_SD3_DATA1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL),
86 MX7D_PAD_SD3_DATA2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL),
87 MX7D_PAD_SD3_DATA3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL),
88 MX7D_PAD_SD3_DATA4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL),
89 MX7D_PAD_SD3_DATA5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL),
90 MX7D_PAD_SD3_DATA6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL),
91 MX7D_PAD_SD3_DATA7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL),
92 MX7D_PAD_SD3_CLK__NAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL),
93 MX7D_PAD_SD3_CMD__NAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL),
94 MX7D_PAD_SD3_STROBE__NAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
95 MX7D_PAD_SD3_RESET_B__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
96 MX7D_PAD_SAI1_MCLK__NAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
97 MX7D_PAD_SAI1_RX_BCLK__NAND_CE3_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
98 MX7D_PAD_SAI1_RX_SYNC__NAND_CE2_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
99 MX7D_PAD_SAI1_RX_DATA__NAND_CE1_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
100 MX7D_PAD_SAI1_TX_BCLK__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
101 MX7D_PAD_SAI1_TX_SYNC__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL),
102 MX7D_PAD_SAI1_TX_DATA__NAND_READY_B | MUX_PAD_CTRL(NAND_PAD_READY0_CTRL),
103 };
104
setup_gpmi_nand(void)105 static void setup_gpmi_nand(void)
106 {
107 imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
108
109 /* NAND_USDHC_BUS_CLK is set in rom */
110 set_clk_nand();
111 }
112 #endif
113
114 #ifdef CONFIG_VIDEO_MXS
115 static iomux_v3_cfg_t const lcd_pads[] = {
116 MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
117 MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
118 MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
119 MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
120 MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL),
121 MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL),
122 MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL),
123 MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL),
124 MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL),
125 MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL),
126 MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL),
127 MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL),
128 MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL),
129 MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL),
130 MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
131 MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
132 MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
133 MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
134 MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
135 MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
136 MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
137 MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
138 MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
139 MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
140 MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
141 MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
142 MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
143 MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
144
145 MX7D_PAD_LCD_RESET__GPIO3_IO4 | MUX_PAD_CTRL(LCD_PAD_CTRL),
146 };
147
148 static iomux_v3_cfg_t const pwm_pads[] = {
149 /* Use GPIO for Brightness adjustment, duty cycle = period */
150 MX7D_PAD_GPIO1_IO01__GPIO1_IO1 | MUX_PAD_CTRL(NO_PAD_CTRL),
151 };
152
setup_lcd(void)153 static int setup_lcd(void)
154 {
155 imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
156
157 imx_iomux_v3_setup_multiple_pads(pwm_pads, ARRAY_SIZE(pwm_pads));
158
159 /* Reset LCD */
160 gpio_request(IMX_GPIO_NR(3, 4), "lcd reset");
161 gpio_direction_output(IMX_GPIO_NR(3, 4) , 0);
162 udelay(500);
163 gpio_direction_output(IMX_GPIO_NR(3, 4) , 1);
164
165 /* Set Brightness to high */
166 gpio_request(IMX_GPIO_NR(1, 1), "lcd backlight");
167 gpio_direction_output(IMX_GPIO_NR(1, 1) , 1);
168
169 return 0;
170 }
171 #endif
172
173 #ifdef CONFIG_FEC_MXC
174 static iomux_v3_cfg_t const fec1_pads[] = {
175 MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
176 MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
177 MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
178 MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
179 MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
180 MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
181 MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
182 MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
183 MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
184 MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
185 MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
186 MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
187 MX7D_PAD_GPIO1_IO10__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
188 MX7D_PAD_GPIO1_IO11__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
189 };
190
setup_iomux_fec(void)191 static void setup_iomux_fec(void)
192 {
193 imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
194 }
195 #endif
196
setup_iomux_uart(void)197 static void setup_iomux_uart(void)
198 {
199 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
200 }
201
board_mmc_get_env_dev(int devno)202 int board_mmc_get_env_dev(int devno)
203 {
204 if (devno == 2)
205 devno--;
206
207 return devno;
208 }
209
mmc_map_to_kernel_blk(int dev_no)210 int mmc_map_to_kernel_blk(int dev_no)
211 {
212 if (dev_no == 1)
213 dev_no++;
214
215 return dev_no;
216 }
217
218 #ifdef CONFIG_FEC_MXC
board_eth_init(bd_t * bis)219 int board_eth_init(bd_t *bis)
220 {
221 int ret;
222 unsigned int gpio;
223
224 ret = gpio_lookup_name("gpio_spi@0_5", NULL, NULL, &gpio);
225 if (ret) {
226 printf("GPIO: 'gpio_spi@0_5' not found\n");
227 return -ENODEV;
228 }
229
230 ret = gpio_request(gpio, "fec_rst");
231 if (ret && ret != -EBUSY) {
232 printf("gpio: requesting pin %u failed\n", gpio);
233 return ret;
234 }
235
236 gpio_direction_output(gpio, 0);
237 udelay(500);
238 gpio_direction_output(gpio, 1);
239
240 setup_iomux_fec();
241
242 ret = fecmxc_initialize_multi(bis, 0,
243 CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
244 if (ret)
245 printf("FEC1 MXC: %s:failed\n", __func__);
246
247 return ret;
248 }
249
setup_fec(void)250 static int setup_fec(void)
251 {
252 struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs
253 = (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR;
254
255 /* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17]*/
256 clrsetbits_le32(&iomuxc_gpr_regs->gpr[1],
257 (IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK |
258 IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0);
259
260 return set_clk_enet(ENET_125MHZ);
261 }
262
263
board_phy_config(struct phy_device * phydev)264 int board_phy_config(struct phy_device *phydev)
265 {
266 /* enable rgmii rxc skew and phy mode select to RGMII copper */
267 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x21);
268 phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x7ea8);
269 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x2f);
270 phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x71b7);
271
272 if (phydev->drv->config)
273 phydev->drv->config(phydev);
274 return 0;
275 }
276 #endif
277
278 #ifdef CONFIG_FSL_QSPI
board_qspi_init(void)279 int board_qspi_init(void)
280 {
281 /* Set the clock */
282 set_clk_qspi();
283
284 return 0;
285 }
286 #endif
287
board_early_init_f(void)288 int board_early_init_f(void)
289 {
290 setup_iomux_uart();
291
292 return 0;
293 }
294
board_init(void)295 int board_init(void)
296 {
297 /* address of boot parameters */
298 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
299
300 #ifdef CONFIG_FEC_MXC
301 setup_fec();
302 #endif
303
304 #ifdef CONFIG_NAND_MXS
305 setup_gpmi_nand();
306 #endif
307
308 #ifdef CONFIG_VIDEO_MXS
309 setup_lcd();
310 #endif
311
312 #ifdef CONFIG_FSL_QSPI
313 board_qspi_init();
314 #endif
315
316 #ifdef CONFIG_MXC_SPI
317 setup_spi();
318 #endif
319
320 return 0;
321 }
322
323 #ifdef CONFIG_DM_PMIC
power_init_board(void)324 int power_init_board(void)
325 {
326 struct udevice *dev;
327 int ret, dev_id, rev_id;
328
329 ret = pmic_get("pfuze3000", &dev);
330 if (ret == -ENODEV)
331 return 0;
332 if (ret != 0)
333 return ret;
334
335 dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
336 rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
337 printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
338
339 pmic_clrsetbits(dev, PFUZE3000_LDOGCTL, 0, 1);
340
341 /*
342 * Set the voltage of VLDO4 output to 2.8V which feeds
343 * the MIPI DSI and MIPI CSI inputs.
344 */
345 pmic_clrsetbits(dev, PFUZE3000_VLD4CTL, 0xF, 0xA);
346
347 return 0;
348 }
349 #endif
350
board_late_init(void)351 int board_late_init(void)
352 {
353 struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
354
355 imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
356
357 set_wdog_reset(wdog);
358
359 /*
360 * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
361 * since we use PMIC_PWRON to reset the board.
362 */
363 clrsetbits_le16(&wdog->wcr, 0, 0x10);
364
365 return 0;
366 }
367
checkboard(void)368 int checkboard(void)
369 {
370 char *mode;
371
372 if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT))
373 mode = "secure";
374 else
375 mode = "non-secure";
376
377 printf("Board: i.MX7D SABRESD in %s mode\n", mode);
378
379 return 0;
380 }
381