1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2015 Freescale Semiconductor, Inc.
4 */
5
6 #include <asm/arch/clock.h>
7 #include <asm/arch/imx-regs.h>
8 #include <asm/arch/mx7-pins.h>
9 #include <asm/arch/sys_proto.h>
10 #include <asm/gpio.h>
11 #include <asm/mach-imx/iomux-v3.h>
12 #include <asm/io.h>
13 #include <linux/sizes.h>
14 #include <common.h>
15 #include <fsl_esdhc.h>
16 #include <mmc.h>
17 #include <miiphy.h>
18 #include <netdev.h>
19 #include <power/pmic.h>
20 #include <power/pfuze3000_pmic.h>
21 #include "../common/pfuze.h"
22 #include <i2c.h>
23 #include <asm/mach-imx/mxc_i2c.h>
24 #include <asm/arch/crm_regs.h>
25
26 DECLARE_GLOBAL_DATA_PTR;
27
28 #define UART_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | \
29 PAD_CTL_PUS_PU100KOHM | PAD_CTL_HYS)
30
31 #define ENET_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)
32 #define ENET_PAD_CTRL_MII (PAD_CTL_DSE_3P3V_32OHM)
33
34 #define ENET_RX_PAD_CTRL (PAD_CTL_PUS_PU100KOHM | PAD_CTL_DSE_3P3V_49OHM)
35
36 #define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_PU100KOHM | \
37 PAD_CTL_DSE_3P3V_49OHM)
38
39 #define QSPI_PAD_CTRL \
40 (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
41
42 #define NAND_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS)
43
44 #define SPI_PAD_CTRL \
45 (PAD_CTL_HYS | PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_FAST)
46
47 #define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM)
48
49 #ifdef CONFIG_MXC_SPI
50 static iomux_v3_cfg_t const ecspi3_pads[] = {
51 MX7D_PAD_SAI2_RX_DATA__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
52 MX7D_PAD_SAI2_TX_SYNC__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
53 MX7D_PAD_SAI2_TX_BCLK__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
54 MX7D_PAD_SAI2_TX_DATA__GPIO6_IO22 | MUX_PAD_CTRL(NO_PAD_CTRL),
55 };
56
board_spi_cs_gpio(unsigned bus,unsigned cs)57 int board_spi_cs_gpio(unsigned bus, unsigned cs)
58 {
59 return (bus == 2 && cs == 0) ? (IMX_GPIO_NR(6, 22)) : -1;
60 }
61
setup_spi(void)62 static void setup_spi(void)
63 {
64 imx_iomux_v3_setup_multiple_pads(ecspi3_pads, ARRAY_SIZE(ecspi3_pads));
65 }
66 #endif
67
dram_init(void)68 int dram_init(void)
69 {
70 gd->ram_size = PHYS_SDRAM_SIZE;
71
72 return 0;
73 }
74
75 static iomux_v3_cfg_t const wdog_pads[] = {
76 MX7D_PAD_GPIO1_IO00__WDOG1_WDOG_B | MUX_PAD_CTRL(NO_PAD_CTRL),
77 };
78
79 static iomux_v3_cfg_t const uart1_pads[] = {
80 MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
81 MX7D_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
82 };
83
84 #ifdef CONFIG_NAND_MXS
85 static iomux_v3_cfg_t const gpmi_pads[] = {
86 MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL),
87 MX7D_PAD_SD3_DATA1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL),
88 MX7D_PAD_SD3_DATA2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL),
89 MX7D_PAD_SD3_DATA3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL),
90 MX7D_PAD_SD3_DATA4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL),
91 MX7D_PAD_SD3_DATA5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL),
92 MX7D_PAD_SD3_DATA6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL),
93 MX7D_PAD_SD3_DATA7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL),
94 MX7D_PAD_SD3_CLK__NAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL),
95 MX7D_PAD_SD3_CMD__NAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL),
96 MX7D_PAD_SD3_STROBE__NAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
97 MX7D_PAD_SD3_RESET_B__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
98 MX7D_PAD_SAI1_MCLK__NAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
99 MX7D_PAD_SAI1_RX_BCLK__NAND_CE3_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
100 MX7D_PAD_SAI1_RX_SYNC__NAND_CE2_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
101 MX7D_PAD_SAI1_RX_DATA__NAND_CE1_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
102 MX7D_PAD_SAI1_TX_BCLK__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
103 MX7D_PAD_SAI1_TX_SYNC__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL),
104 MX7D_PAD_SAI1_TX_DATA__NAND_READY_B | MUX_PAD_CTRL(NAND_PAD_READY0_CTRL),
105 };
106
setup_gpmi_nand(void)107 static void setup_gpmi_nand(void)
108 {
109 imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
110
111 /* NAND_USDHC_BUS_CLK is set in rom */
112 set_clk_nand();
113 }
114 #endif
115
116 #ifdef CONFIG_VIDEO_MXS
117 static iomux_v3_cfg_t const lcd_pads[] = {
118 MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
119 MX7D_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
120 MX7D_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
121 MX7D_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
122 MX7D_PAD_LCD_DATA00__LCD_DATA0 | MUX_PAD_CTRL(LCD_PAD_CTRL),
123 MX7D_PAD_LCD_DATA01__LCD_DATA1 | MUX_PAD_CTRL(LCD_PAD_CTRL),
124 MX7D_PAD_LCD_DATA02__LCD_DATA2 | MUX_PAD_CTRL(LCD_PAD_CTRL),
125 MX7D_PAD_LCD_DATA03__LCD_DATA3 | MUX_PAD_CTRL(LCD_PAD_CTRL),
126 MX7D_PAD_LCD_DATA04__LCD_DATA4 | MUX_PAD_CTRL(LCD_PAD_CTRL),
127 MX7D_PAD_LCD_DATA05__LCD_DATA5 | MUX_PAD_CTRL(LCD_PAD_CTRL),
128 MX7D_PAD_LCD_DATA06__LCD_DATA6 | MUX_PAD_CTRL(LCD_PAD_CTRL),
129 MX7D_PAD_LCD_DATA07__LCD_DATA7 | MUX_PAD_CTRL(LCD_PAD_CTRL),
130 MX7D_PAD_LCD_DATA08__LCD_DATA8 | MUX_PAD_CTRL(LCD_PAD_CTRL),
131 MX7D_PAD_LCD_DATA09__LCD_DATA9 | MUX_PAD_CTRL(LCD_PAD_CTRL),
132 MX7D_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
133 MX7D_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
134 MX7D_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
135 MX7D_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
136 MX7D_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
137 MX7D_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
138 MX7D_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
139 MX7D_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
140 MX7D_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
141 MX7D_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
142 MX7D_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
143 MX7D_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
144 MX7D_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
145 MX7D_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
146
147 MX7D_PAD_LCD_RESET__GPIO3_IO4 | MUX_PAD_CTRL(LCD_PAD_CTRL),
148 };
149
150 static iomux_v3_cfg_t const pwm_pads[] = {
151 /* Use GPIO for Brightness adjustment, duty cycle = period */
152 MX7D_PAD_GPIO1_IO01__GPIO1_IO1 | MUX_PAD_CTRL(NO_PAD_CTRL),
153 };
154
setup_lcd(void)155 static int setup_lcd(void)
156 {
157 imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
158
159 imx_iomux_v3_setup_multiple_pads(pwm_pads, ARRAY_SIZE(pwm_pads));
160
161 /* Reset LCD */
162 gpio_request(IMX_GPIO_NR(3, 4), "lcd reset");
163 gpio_direction_output(IMX_GPIO_NR(3, 4) , 0);
164 udelay(500);
165 gpio_direction_output(IMX_GPIO_NR(3, 4) , 1);
166
167 /* Set Brightness to high */
168 gpio_request(IMX_GPIO_NR(1, 1), "lcd backlight");
169 gpio_direction_output(IMX_GPIO_NR(1, 1) , 1);
170
171 return 0;
172 }
173 #endif
174
175 #ifdef CONFIG_FEC_MXC
176 static iomux_v3_cfg_t const fec1_pads[] = {
177 MX7D_PAD_ENET1_RGMII_RX_CTL__ENET1_RGMII_RX_CTL | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
178 MX7D_PAD_ENET1_RGMII_RD0__ENET1_RGMII_RD0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
179 MX7D_PAD_ENET1_RGMII_RD1__ENET1_RGMII_RD1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
180 MX7D_PAD_ENET1_RGMII_RD2__ENET1_RGMII_RD2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
181 MX7D_PAD_ENET1_RGMII_RD3__ENET1_RGMII_RD3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
182 MX7D_PAD_ENET1_RGMII_RXC__ENET1_RGMII_RXC | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
183 MX7D_PAD_ENET1_RGMII_TX_CTL__ENET1_RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
184 MX7D_PAD_ENET1_RGMII_TD0__ENET1_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
185 MX7D_PAD_ENET1_RGMII_TD1__ENET1_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
186 MX7D_PAD_ENET1_RGMII_TD2__ENET1_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
187 MX7D_PAD_ENET1_RGMII_TD3__ENET1_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
188 MX7D_PAD_ENET1_RGMII_TXC__ENET1_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
189 MX7D_PAD_GPIO1_IO10__ENET1_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
190 MX7D_PAD_GPIO1_IO11__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL_MII),
191 };
192
setup_iomux_fec(void)193 static void setup_iomux_fec(void)
194 {
195 imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
196 }
197 #endif
198
setup_iomux_uart(void)199 static void setup_iomux_uart(void)
200 {
201 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
202 }
203
board_mmc_get_env_dev(int devno)204 int board_mmc_get_env_dev(int devno)
205 {
206 if (devno == 2)
207 devno--;
208
209 return devno;
210 }
211
mmc_map_to_kernel_blk(int dev_no)212 int mmc_map_to_kernel_blk(int dev_no)
213 {
214 if (dev_no == 1)
215 dev_no++;
216
217 return dev_no;
218 }
219
220 #ifdef CONFIG_FEC_MXC
board_eth_init(bd_t * bis)221 int board_eth_init(bd_t *bis)
222 {
223 int ret;
224 unsigned int gpio;
225
226 ret = gpio_lookup_name("gpio_spi@0_5", NULL, NULL, &gpio);
227 if (ret) {
228 printf("GPIO: 'gpio_spi@0_5' not found\n");
229 return -ENODEV;
230 }
231
232 ret = gpio_request(gpio, "fec_rst");
233 if (ret && ret != -EBUSY) {
234 printf("gpio: requesting pin %u failed\n", gpio);
235 return ret;
236 }
237
238 gpio_direction_output(gpio, 0);
239 udelay(500);
240 gpio_direction_output(gpio, 1);
241
242 setup_iomux_fec();
243
244 ret = fecmxc_initialize_multi(bis, 0,
245 CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
246 if (ret)
247 printf("FEC1 MXC: %s:failed\n", __func__);
248
249 return ret;
250 }
251
setup_fec(void)252 static int setup_fec(void)
253 {
254 struct iomuxc_gpr_base_regs *const iomuxc_gpr_regs
255 = (struct iomuxc_gpr_base_regs *) IOMUXC_GPR_BASE_ADDR;
256
257 /* Use 125M anatop REF_CLK1 for ENET1, clear gpr1[13], gpr1[17]*/
258 clrsetbits_le32(&iomuxc_gpr_regs->gpr[1],
259 (IOMUXC_GPR_GPR1_GPR_ENET1_TX_CLK_SEL_MASK |
260 IOMUXC_GPR_GPR1_GPR_ENET1_CLK_DIR_MASK), 0);
261
262 return set_clk_enet(ENET_125MHZ);
263 }
264
265
board_phy_config(struct phy_device * phydev)266 int board_phy_config(struct phy_device *phydev)
267 {
268 /* enable rgmii rxc skew and phy mode select to RGMII copper */
269 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x21);
270 phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x7ea8);
271 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x2f);
272 phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x71b7);
273
274 if (phydev->drv->config)
275 phydev->drv->config(phydev);
276 return 0;
277 }
278 #endif
279
280 #ifdef CONFIG_FSL_QSPI
281 static iomux_v3_cfg_t const quadspi_pads[] = {
282 MX7D_PAD_EPDC_DATA00__QSPI_A_DATA0 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
283 MX7D_PAD_EPDC_DATA01__QSPI_A_DATA1 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
284 MX7D_PAD_EPDC_DATA02__QSPI_A_DATA2 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
285 MX7D_PAD_EPDC_DATA03__QSPI_A_DATA3 | MUX_PAD_CTRL(QSPI_PAD_CTRL),
286 MX7D_PAD_EPDC_DATA05__QSPI_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL),
287 MX7D_PAD_EPDC_DATA06__QSPI_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL),
288 };
289
board_qspi_init(void)290 int board_qspi_init(void)
291 {
292 /* Set the iomux */
293 imx_iomux_v3_setup_multiple_pads(quadspi_pads,
294 ARRAY_SIZE(quadspi_pads));
295
296 /* Set the clock */
297 set_clk_qspi();
298
299 return 0;
300 }
301 #endif
302
board_early_init_f(void)303 int board_early_init_f(void)
304 {
305 setup_iomux_uart();
306
307 return 0;
308 }
309
board_init(void)310 int board_init(void)
311 {
312 /* address of boot parameters */
313 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
314
315 #ifdef CONFIG_FEC_MXC
316 setup_fec();
317 #endif
318
319 #ifdef CONFIG_NAND_MXS
320 setup_gpmi_nand();
321 #endif
322
323 #ifdef CONFIG_VIDEO_MXS
324 setup_lcd();
325 #endif
326
327 #ifdef CONFIG_FSL_QSPI
328 board_qspi_init();
329 #endif
330
331 #ifdef CONFIG_MXC_SPI
332 setup_spi();
333 #endif
334
335 return 0;
336 }
337
338 #ifdef CONFIG_DM_PMIC
power_init_board(void)339 int power_init_board(void)
340 {
341 struct udevice *dev;
342 int ret, dev_id, rev_id;
343
344 ret = pmic_get("pfuze3000", &dev);
345 if (ret == -ENODEV)
346 return 0;
347 if (ret != 0)
348 return ret;
349
350 dev_id = pmic_reg_read(dev, PFUZE3000_DEVICEID);
351 rev_id = pmic_reg_read(dev, PFUZE3000_REVID);
352 printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
353
354 pmic_clrsetbits(dev, PFUZE3000_LDOGCTL, 0, 1);
355
356 /*
357 * Set the voltage of VLDO4 output to 2.8V which feeds
358 * the MIPI DSI and MIPI CSI inputs.
359 */
360 pmic_clrsetbits(dev, PFUZE3000_VLD4CTL, 0xF, 0xA);
361
362 return 0;
363 }
364 #endif
365
board_late_init(void)366 int board_late_init(void)
367 {
368 struct wdog_regs *wdog = (struct wdog_regs *)WDOG1_BASE_ADDR;
369
370 imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads));
371
372 set_wdog_reset(wdog);
373
374 /*
375 * Do not assert internal WDOG_RESET_B_DEB(controlled by bit 4),
376 * since we use PMIC_PWRON to reset the board.
377 */
378 clrsetbits_le16(&wdog->wcr, 0, 0x10);
379
380 return 0;
381 }
382
checkboard(void)383 int checkboard(void)
384 {
385 char *mode;
386
387 if (IS_ENABLED(CONFIG_ARMV7_BOOT_SEC_DEFAULT))
388 mode = "secure";
389 else
390 mode = "non-secure";
391
392 printf("Board: i.MX7D SABRESD in %s mode\n", mode);
393
394 return 0;
395 }
396