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[thirdparty/u-boot.git] / board / aristainetos / aristainetos.c
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83d290c5 1// SPDX-License-Identifier: GPL-2.0+
e379c039
HS
2/*
3 * (C) Copyright 2014
4 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
5 *
6 * Based on:
7 * Copyright (C) 2012 Freescale Semiconductor, Inc.
8 *
9 * Author: Fabio Estevam <fabio.estevam@freescale.com>
e379c039
HS
10 */
11
d678a59d 12#include <common.h>
70cc7b61 13#include <bmp_layout.h>
09140113 14#include <command.h>
4d72caa5 15#include <image.h>
691d719d 16#include <init.h>
e379c039
HS
17#include <asm/arch/clock.h>
18#include <asm/arch/imx-regs.h>
19#include <asm/arch/iomux.h>
20#include <asm/arch/mx6-pins.h>
401d1c4f 21#include <asm/global_data.h>
1221ce45 22#include <linux/errno.h>
e379c039 23#include <asm/gpio.h>
552a848e
SB
24#include <asm/mach-imx/iomux-v3.h>
25#include <asm/mach-imx/boot_mode.h>
552a848e 26#include <asm/mach-imx/video.h>
e379c039 27#include <asm/arch/crm_regs.h>
e379c039
HS
28#include <asm/io.h>
29#include <asm/arch/sys_proto.h>
506df9dc 30#include <asm/sections.h>
621ff136 31#include <bmp_logo.h>
ccc7595a 32#include <dm/root.h>
0f1130b6 33#include <env.h>
f7cf76f8
HS
34#include <i2c_eeprom.h>
35#include <i2c.h>
0f1130b6 36#include <micrel.h>
5e65496d 37#include <miiphy.h>
fc7e3cc6 38#include <led.h>
158d93ad
HS
39#include <power/pmic.h>
40#include <power/regulator.h>
41#include <power/da9063_pmic.h>
621ff136 42#include <splash.h>
70cc7b61 43#include <video.h>
e379c039
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44
45DECLARE_GLOBAL_DATA_PTR;
46
ccc7595a
HS
47enum {
48 BOARD_TYPE_4 = 4,
49 BOARD_TYPE_7 = 7,
50};
51
52#define ARI_BT_4 "aristainetos2_4@2"
53#define ARI_BT_7 "aristainetos2_7@1"
54
0f1130b6
HS
55int board_phy_config(struct phy_device *phydev)
56{
57 /* control data pad skew - devaddr = 0x02, register = 0x04 */
58 ksz9031_phy_extended_write(phydev, 0x02,
59 MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
60 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
61 /* rx data pad skew - devaddr = 0x02, register = 0x05 */
62 ksz9031_phy_extended_write(phydev, 0x02,
63 MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
64 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
65 /* tx data pad skew - devaddr = 0x02, register = 0x06 */
66 ksz9031_phy_extended_write(phydev, 0x02,
67 MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
68 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x0000);
69 /* gtx and rx clock pad skew - devaddr = 0x02, register = 0x08 */
70 ksz9031_phy_extended_write(phydev, 0x02,
71 MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
72 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x03FF);
73
74 if (phydev->drv->config)
75 phydev->drv->config(phydev);
76
77 return 0;
78}
79
0f1130b6
HS
80static int rotate_logo_one(unsigned char *out, unsigned char *in)
81{
82 int i, j;
83
84 for (i = 0; i < BMP_LOGO_WIDTH; i++)
85 for (j = 0; j < BMP_LOGO_HEIGHT; j++)
86 out[j * BMP_LOGO_WIDTH + BMP_LOGO_HEIGHT - 1 - i] =
87 in[i * BMP_LOGO_WIDTH + j];
88 return 0;
89}
90
91/*
92 * Rotate the BMP_LOGO (only)
93 * Will only work, if the logo is square, as
94 * BMP_LOGO_HEIGHT and BMP_LOGO_WIDTH are defines, not variables
95 */
96void rotate_logo(int rotations)
97{
98 unsigned char out_logo[BMP_LOGO_WIDTH * BMP_LOGO_HEIGHT];
621ff136 99 struct bmp_header *header;
0f1130b6
HS
100 unsigned char *in_logo;
101 int i, j;
102
103 if (BMP_LOGO_WIDTH != BMP_LOGO_HEIGHT)
104 return;
105
621ff136
HS
106 header = (struct bmp_header *)bmp_logo_bitmap;
107 in_logo = bmp_logo_bitmap + header->data_offset;
0f1130b6
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108
109 /* one 90 degree rotation */
110 if (rotations == 1 || rotations == 2 || rotations == 3)
111 rotate_logo_one(out_logo, in_logo);
112
113 /* second 90 degree rotation */
114 if (rotations == 2 || rotations == 3)
115 rotate_logo_one(in_logo, out_logo);
116
117 /* third 90 degree rotation */
118 if (rotations == 3)
119 rotate_logo_one(out_logo, in_logo);
120
121 /* copy result back to original array */
122 if (rotations == 1 || rotations == 3)
123 for (i = 0; i < BMP_LOGO_WIDTH; i++)
124 for (j = 0; j < BMP_LOGO_HEIGHT; j++)
125 in_logo[i * BMP_LOGO_WIDTH + j] =
126 out_logo[i * BMP_LOGO_WIDTH + j];
127}
128
0f1130b6
HS
129static void enable_lvds(struct display_info_t const *dev)
130{
131 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
132 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
133 int reg;
134 s32 timeout = 100000;
135
136 /* set PLL5 clock */
137 reg = readl(&ccm->analog_pll_video);
138 reg |= BM_ANADIG_PLL_VIDEO_POWERDOWN;
139 writel(reg, &ccm->analog_pll_video);
140
141 /* set PLL5 to 232720000Hz */
142 reg &= ~BM_ANADIG_PLL_VIDEO_DIV_SELECT;
143 reg |= BF_ANADIG_PLL_VIDEO_DIV_SELECT(0x26);
144 reg &= ~BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT;
145 reg |= BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(0);
146 writel(reg, &ccm->analog_pll_video);
147
148 writel(BF_ANADIG_PLL_VIDEO_NUM_A(0xC0238),
149 &ccm->analog_pll_video_num);
150 writel(BF_ANADIG_PLL_VIDEO_DENOM_B(0xF4240),
151 &ccm->analog_pll_video_denom);
152
153 reg &= ~BM_ANADIG_PLL_VIDEO_POWERDOWN;
154 writel(reg, &ccm->analog_pll_video);
155
156 while (timeout--)
157 if (readl(&ccm->analog_pll_video) & BM_ANADIG_PLL_VIDEO_LOCK)
158 break;
159 if (timeout < 0)
160 printf("Warning: video pll lock timeout!\n");
161
162 reg = readl(&ccm->analog_pll_video);
163 reg |= BM_ANADIG_PLL_VIDEO_ENABLE;
164 reg &= ~BM_ANADIG_PLL_VIDEO_BYPASS;
165 writel(reg, &ccm->analog_pll_video);
166
167 /* set LDB0, LDB1 clk select to 000/000 (PLL5 clock) */
168 reg = readl(&ccm->cs2cdr);
169 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
170 | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
171 reg |= (0 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
172 | (0 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
173 writel(reg, &ccm->cs2cdr);
174
175 reg = readl(&ccm->cscmr2);
176 reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
177 writel(reg, &ccm->cscmr2);
178
179 reg = readl(&ccm->chsccdr);
180 reg |= (CHSCCDR_CLK_SEL_LDB_DI0
181 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
182 writel(reg, &ccm->chsccdr);
183
184 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
185 | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
186 | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_HIGH
187 | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
188 | IOMUXC_GPR2_DATA_WIDTH_CH0_24BIT
189 | IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
190 | IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
191 writel(reg, &iomux->gpr[2]);
192
193 reg = readl(&iomux->gpr[3]);
194 reg = (reg & ~IOMUXC_GPR3_LVDS0_MUX_CTL_MASK)
195 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
196 << IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
197 writel(reg, &iomux->gpr[3]);
198}
199
0f1130b6
HS
200static void setup_display(void)
201{
202 enable_ipu_clock();
0f1130b6
HS
203}
204
0f1130b6
HS
205static void set_gpr_register(void)
206{
207 struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
208
209 writel(IOMUXC_GPR1_APP_CLK_REQ_N | IOMUXC_GPR1_PCIE_RDY_L23 |
210 IOMUXC_GPR1_EXC_MON_SLVE |
211 (2 << IOMUXC_GPR1_ADDRS0_OFFSET) |
212 IOMUXC_GPR1_ACT_CS0,
213 &iomuxc_regs->gpr[1]);
214 writel(0x0, &iomuxc_regs->gpr[8]);
215 writel(IOMUXC_GPR12_ARMP_IPG_CLK_EN | IOMUXC_GPR12_ARMP_AHB_CLK_EN |
216 IOMUXC_GPR12_ARMP_ATB_CLK_EN | IOMUXC_GPR12_ARMP_APB_CLK_EN,
217 &iomuxc_regs->gpr[12]);
218}
219
220int board_early_init_f(void)
221{
621ff136 222 select_ldb_di_clock_source(MXC_PLL5_CLK);
0f1130b6 223 set_gpr_register();
ccc7595a
HS
224
225 /*
226 * clear bss here, so we can use spi driver
227 * before relocation and read Environment
228 * from spi flash.
229 */
230 memset(__bss_start, 0x00, __bss_end - __bss_start);
231
0f1130b6
HS
232 return 0;
233}
234
fc7e3cc6 235static void setup_one_led(char *label, int state)
0f1130b6 236{
fc7e3cc6
HS
237 struct udevice *dev;
238 int ret;
0f1130b6 239
fc7e3cc6
HS
240 ret = led_get_by_label(label, &dev);
241 if (ret == 0)
242 led_set_state(dev, state);
243}
244
245static void setup_board_gpio(void)
246{
247 setup_one_led("led_ena", LEDST_ON);
0f1130b6 248 /* switch off Status LEDs */
fc7e3cc6
HS
249 setup_one_led("led_yellow", LEDST_OFF);
250 setup_one_led("led_red", LEDST_OFF);
251 setup_one_led("led_green", LEDST_OFF);
252 setup_one_led("led_blue", LEDST_OFF);
0f1130b6
HS
253}
254
f7cf76f8
HS
255static void aristainetos_run_rescue_command(int reason)
256{
3cf02f5f 257 char rescue_reason_command[20];
f7cf76f8 258
3cf02f5f 259 sprintf(rescue_reason_command, "setenv rreason %d", reason);
f7cf76f8
HS
260 run_command(rescue_reason_command, 0);
261}
262
3cf02f5f 263static int aristainetos_bootmode_settings(void)
f7cf76f8 264{
3cf02f5f
HS
265 struct gpio_desc *desc;
266 struct src *psrc = (struct src *)SRC_BASE_ADDR;
267 unsigned int sbmr1 = readl(&psrc->sbmr1);
268 char *my_bootdelay;
269 char bootmode = 0;
270 int ret;
f7cf76f8
HS
271 struct udevice *dev;
272 int off;
f7cf76f8
HS
273 u8 data[0x10];
274 u8 rescue_reason;
275
3cf02f5f
HS
276 /* jumper controlled reset of the environment */
277 ret = gpio_hog_lookup_name("env_reset", &desc);
278 if (!ret) {
279 if (dm_gpio_get_value(desc)) {
280 printf("\nReset u-boot environment (jumper)\n");
281 run_command("run default_env; saveenv; saveenv", 0);
282 }
283 }
284
f7cf76f8
HS
285 off = fdt_path_offset(gd->fdt_blob, "eeprom0");
286 if (off < 0) {
287 printf("%s: No eeprom0 path offset\n", __func__);
288 return off;
289 }
290
291 ret = uclass_get_device_by_of_offset(UCLASS_I2C_EEPROM, off, &dev);
292 if (ret) {
293 printf("%s: Could not find EEPROM\n", __func__);
294 return ret;
295 }
296
297 ret = i2c_set_chip_offset_len(dev, 2);
298 if (ret)
299 return ret;
300
3cf02f5f 301 ret = i2c_eeprom_read(dev, 0x1ff0, (uint8_t *)data, sizeof(data));
f7cf76f8
HS
302 if (ret) {
303 printf("%s: Could not read EEPROM\n", __func__);
304 return ret;
305 }
306
3cf02f5f
HS
307 /* software controlled reset of the environment (EEPROM magic) */
308 if (strncmp((char *)data, "DeF", 3) == 0) {
f7cf76f8
HS
309 memset(data, 0xff, 3);
310 i2c_eeprom_write(dev, 0x1ff0, (uint8_t *)data, 3);
3cf02f5f 311 printf("\nReset u-boot environment (EEPROM)\n");
f7cf76f8
HS
312 run_command("run default_env; saveenv; saveenv", 0);
313 }
314
3cf02f5f
HS
315 if (sbmr1 & 0x40) {
316 env_set("bootmode", "1");
317 printf("SD bootmode jumper set!\n");
318 } else {
319 env_set("bootmode", "0");
320 }
0f1130b6
HS
321
322 /*
323 * Check the boot-source. If booting from NOR Flash,
324 * disable bootdelay
325 */
0ed133a6
HS
326 ret = gpio_hog_lookup_name("bootsel0", &desc);
327 if (!ret)
fc7e3cc6 328 bootmode |= (dm_gpio_get_value(desc) ? 1 : 0) << 0;
0ed133a6
HS
329 ret = gpio_hog_lookup_name("bootsel1", &desc);
330 if (!ret)
fc7e3cc6 331 bootmode |= (dm_gpio_get_value(desc) ? 1 : 0) << 1;
0ed133a6
HS
332 ret = gpio_hog_lookup_name("bootsel2", &desc);
333 if (!ret)
fc7e3cc6 334 bootmode |= (dm_gpio_get_value(desc) ? 1 : 0) << 2;
0f1130b6
HS
335
336 if (bootmode == 7) {
337 my_bootdelay = env_get("nor_bootdelay");
0ed133a6 338 if (my_bootdelay)
0f1130b6
HS
339 env_set("bootdelay", my_bootdelay);
340 else
341 env_set("bootdelay", "-2");
342 }
343
3cf02f5f 344 /* jumper controlled boot of the rescue system */
fc7e3cc6
HS
345 ret = gpio_hog_lookup_name("boot_rescue", &desc);
346 if (!ret) {
347 if (dm_gpio_get_value(desc)) {
3cf02f5f 348 printf("\nBooting into Rescue System (jumper)\n");
fc7e3cc6
HS
349 aristainetos_run_rescue_command(16);
350 run_command("run rescue_xload_boot", 0);
351 }
352 }
3cf02f5f
HS
353
354 /* software controlled boot of the rescue system (EEPROM magic) */
355 if (strncmp((char *)&data[3], "ReScUe", 6) == 0) {
356 rescue_reason = *(uint8_t *)&data[9];
357 memset(&data[3], 0xff, 7);
358 i2c_eeprom_write(dev, 0x1ff0, (uint8_t *)&data[3], 7);
359 printf("\nBooting into Rescue System (EEPROM)\n");
360 aristainetos_run_rescue_command(rescue_reason);
361 run_command("run rescue_xload_boot", 0);
362 }
363
364 return 0;
0ed133a6
HS
365}
366
158d93ad
HS
367#if defined(CONFIG_DM_PMIC_DA9063)
368/*
369 * On the aristainetos2c boards the PMIC needs to be initialized,
370 * because the Ethernet PHY uses a different regulator that is not
371 * setup per hardware default. This does not influence the other versions
372 * as this regulator isn't used there at all.
373 *
374 * Unfortunately we have not yet a interface to setup all
375 * values we need.
376 */
377static int setup_pmic_voltages(void)
378{
379 struct udevice *dev;
380 int off;
381 int ret;
382
383 off = fdt_path_offset(gd->fdt_blob, "pmic0");
384 if (off < 0) {
385 printf("%s: No pmic path offset\n", __func__);
386 return off;
387 }
388
389 ret = uclass_get_device_by_of_offset(UCLASS_PMIC, off, &dev);
390 if (ret) {
391 printf("%s: Could not find PMIC\n", __func__);
392 return ret;
393 }
394
395 pmic_reg_write(dev, DA9063_REG_PAGE_CON, 0x01);
396 pmic_reg_write(dev, DA9063_REG_BPRO_CFG, 0xc1);
397 ret = pmic_reg_read(dev, DA9063_REG_BUCK_ILIM_B);
398 if (ret < 0) {
399 printf("%s: error %d get register\n", __func__, ret);
400 return ret;
401 }
402 ret &= 0xf0;
403 ret |= 0x09;
404 pmic_reg_write(dev, DA9063_REG_BUCK_ILIM_B, ret);
405 pmic_reg_write(dev, DA9063_REG_VBPRO_A, 0x43);
406 pmic_reg_write(dev, DA9063_REG_VBPRO_B, 0xc3);
407
408 return 0;
409}
410#else
411static int setup_pmic_voltages(void)
412{
413 return 0;
414}
415#endif
416
0ed133a6
HS
417int board_late_init(void)
418{
419 int x, y;
3cf02f5f 420 int ret;
0ed133a6 421
0ed133a6
HS
422 splash_get_pos(&x, &y);
423 bmp_display((ulong)&bmp_logo_bitmap[0], x, y);
424
3cf02f5f
HS
425 ret = aristainetos_bootmode_settings();
426 if (ret)
427 return ret;
f7cf76f8 428
ccc7595a
HS
429 /* set board_type */
430 if (gd->board_type == BOARD_TYPE_4)
431 env_set("board_type", ARI_BT_4);
432 else
433 env_set("board_type", ARI_BT_7);
0ed133a6 434
158d93ad
HS
435 if (setup_pmic_voltages())
436 printf("Error setup PMIC\n");
437
0f1130b6
HS
438 return 0;
439}
7254d92e 440
7254d92e 441int dram_init(void)
e379c039 442{
84c51687 443 gd->ram_size = imx_ddr_size();
e379c039 444
7254d92e 445 return 0;
e379c039
HS
446}
447
e379c039
HS
448struct display_info_t const displays[] = {
449 {
450 .bus = -1,
451 .addr = 0,
452 .pixfmt = IPU_PIX_FMT_RGB24,
453 .detect = NULL,
454 .enable = enable_lvds,
455 .mode = {
456 .name = "lb07wv8",
457 .refresh = 60,
458 .xres = 800,
459 .yres = 480,
d0d005b6 460 .pixclock = 30066,
e379c039
HS
461 .left_margin = 88,
462 .right_margin = 88,
d0d005b6
HS
463 .upper_margin = 20,
464 .lower_margin = 20,
b4b39a7e 465 .hsync_len = 80,
d0d005b6
HS
466 .vsync_len = 5,
467 .sync = FB_SYNC_EXT,
e379c039
HS
468 .vmode = FB_VMODE_NONINTERLACED
469 }
470 }
471};
472size_t display_count = ARRAY_SIZE(displays);
473
e379c039
HS
474int board_init(void)
475{
476 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
477
478 /* address of boot parameters */
479 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
480
7254d92e 481 setup_board_gpio();
621ff136 482 setup_display();
e379c039
HS
483
484 /* GPIO_1 for USB_OTG_ID */
7254d92e 485 clrsetbits_le32(&iomux->gpr[1], IOMUXC_GPR1_USB_OTG_ID_SEL_MASK, 0);
e379c039
HS
486 return 0;
487}
488
ccc7595a
HS
489int board_fit_config_name_match(const char *name)
490{
491 if (gd->board_type == BOARD_TYPE_4 &&
492 strchr(name, 0x34))
493 return 0;
494
495 if (gd->board_type == BOARD_TYPE_7 &&
496 strchr(name, 0x37))
497 return 0;
498
499 return -1;
500}
501
502static void do_board_detect(void)
503{
504 int ret;
505 char s[30];
506
507 /* default use board type 7 */
508 gd->board_type = BOARD_TYPE_7;
509 if (env_init())
510 return;
511
512 ret = env_get_f("panel", s, sizeof(s));
513 if (ret < 0)
514 return;
515
516 if (!strncmp("lg4573", s, 6))
517 gd->board_type = BOARD_TYPE_4;
518}
519
520#ifdef CONFIG_DTB_RESELECT
521int embedded_dtb_select(void)
522{
523 int rescan;
524
525 do_board_detect();
526 fdtdec_resetup(&rescan);
527
e379c039
HS
528 return 0;
529}
530#endif