global: Convert simple_strtoul() with hex to hextoul()
[platform/kernel/u-boot.git] / board / menlo / m53menlo / m53menlo.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Menlosystems M53Menlo board
4  *
5  * Copyright (C) 2012-2017 Marek Vasut <marex@denx.de>
6  * Copyright (C) 2014-2017 Olaf Mandel <o.mandel@menlosystems.com>
7  */
8
9 #include <common.h>
10 #include <dm.h>
11 #include <init.h>
12 #include <malloc.h>
13 #include <asm/global_data.h>
14 #include <asm/io.h>
15 #include <asm/arch/imx-regs.h>
16 #include <asm/arch/sys_proto.h>
17 #include <asm/arch/crm_regs.h>
18 #include <asm/arch/clock.h>
19 #include <asm/arch/iomux-mx53.h>
20 #include <asm/mach-imx/mx5_video.h>
21 #include <asm/mach-imx/video.h>
22 #include <asm/gpio.h>
23 #include <asm/spl.h>
24 #include <env.h>
25 #include <fdt_support.h>
26 #include <fsl_esdhc_imx.h>
27 #include <gzip.h>
28 #include <i2c.h>
29 #include <ipu_pixfmt.h>
30 #include <linux/bitops.h>
31 #include <linux/errno.h>
32 #include <linux/fb.h>
33 #include <mmc.h>
34 #include <netdev.h>
35 #include <spl.h>
36 #include <splash.h>
37 #include <usb/ehci-ci.h>
38 #include <video_console.h>
39
40 DECLARE_GLOBAL_DATA_PTR;
41
42 static u32 mx53_dram_size[2];
43
44 ulong board_get_usable_ram_top(ulong total_size)
45 {
46         /*
47          * WARNING: We must override get_effective_memsize() function here
48          * to report only the size of the first DRAM bank. This is to make
49          * U-Boot relocator place U-Boot into valid memory, that is, at the
50          * end of the first DRAM bank. If we did not override this function
51          * like so, U-Boot would be placed at the address of the first DRAM
52          * bank + total DRAM size - sizeof(uboot), which in the setup where
53          * each DRAM bank contains 512MiB of DRAM would result in placing
54          * U-Boot into invalid memory area close to the end of the first
55          * DRAM bank.
56          */
57         return PHYS_SDRAM_2 + mx53_dram_size[1];
58 }
59
60 int dram_init(void)
61 {
62         mx53_dram_size[0] = get_ram_size((void *)PHYS_SDRAM_1, 1 << 30);
63         mx53_dram_size[1] = get_ram_size((void *)PHYS_SDRAM_2, 1 << 30);
64
65         gd->ram_size = mx53_dram_size[0] + mx53_dram_size[1];
66
67         return 0;
68 }
69
70 int dram_init_banksize(void)
71 {
72         gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
73         gd->bd->bi_dram[0].size = mx53_dram_size[0];
74
75         gd->bd->bi_dram[1].start = PHYS_SDRAM_2;
76         gd->bd->bi_dram[1].size = mx53_dram_size[1];
77
78         return 0;
79 }
80
81 static void setup_iomux_uart(void)
82 {
83         static const iomux_v3_cfg_t uart_pads[] = {
84                 MX53_PAD_PATA_DMACK__UART1_RXD_MUX,
85                 MX53_PAD_PATA_DIOW__UART1_TXD_MUX,
86         };
87
88         imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
89 }
90
91 static void setup_iomux_fec(void)
92 {
93         static const iomux_v3_cfg_t fec_pads[] = {
94                 /* MDIO pads */
95                 NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS |
96                         PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | PAD_CTL_ODE),
97                 NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH),
98
99                 /* FEC 0 pads */
100                 NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
101                              PAD_CTL_HYS | PAD_CTL_PKE),
102                 NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
103                              PAD_CTL_HYS | PAD_CTL_PKE),
104                 NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER,
105                              PAD_CTL_HYS | PAD_CTL_PKE),
106                 NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH),
107                 NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0,
108                              PAD_CTL_HYS | PAD_CTL_PKE),
109                 NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1,
110                              PAD_CTL_HYS | PAD_CTL_PKE),
111                 NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH),
112                 NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH),
113
114                 /* FEC 1 pads */
115                 NEW_PAD_CTRL(MX53_PAD_KEY_COL0__FEC_RDATA_3,
116                              PAD_CTL_HYS | PAD_CTL_PKE),
117                 NEW_PAD_CTRL(MX53_PAD_KEY_ROW0__FEC_TX_ER,
118                              PAD_CTL_HYS | PAD_CTL_PKE),
119                 NEW_PAD_CTRL(MX53_PAD_KEY_COL1__FEC_RX_CLK,
120                              PAD_CTL_HYS | PAD_CTL_PKE),
121                 NEW_PAD_CTRL(MX53_PAD_KEY_ROW1__FEC_COL,
122                              PAD_CTL_HYS | PAD_CTL_PKE),
123                 NEW_PAD_CTRL(MX53_PAD_KEY_COL2__FEC_RDATA_2,
124                              PAD_CTL_HYS | PAD_CTL_PKE),
125                 NEW_PAD_CTRL(MX53_PAD_KEY_ROW2__FEC_TDATA_2, PAD_CTL_DSE_HIGH),
126                 NEW_PAD_CTRL(MX53_PAD_KEY_COL3__FEC_CRS,
127                              PAD_CTL_HYS | PAD_CTL_PKE),
128                 NEW_PAD_CTRL(MX53_PAD_GPIO_19__FEC_TDATA_3, PAD_CTL_DSE_HIGH),
129         };
130
131         imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
132 }
133
134 #ifdef CONFIG_FSL_ESDHC_IMX
135 struct fsl_esdhc_cfg esdhc_cfg = {
136         MMC_SDHC1_BASE_ADDR,
137 };
138
139 int board_mmc_getcd(struct mmc *mmc)
140 {
141         imx_iomux_v3_setup_pad(MX53_PAD_GPIO_1__GPIO1_1);
142         gpio_direction_input(IMX_GPIO_NR(1, 1));
143
144         return !gpio_get_value(IMX_GPIO_NR(1, 1));
145 }
146
147 #define SD_CMD_PAD_CTRL         (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
148                                  PAD_CTL_PUS_100K_UP)
149 #define SD_PAD_CTRL             (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
150                                  PAD_CTL_DSE_HIGH)
151
152 int board_mmc_init(struct bd_info *bis)
153 {
154         static const iomux_v3_cfg_t sd1_pads[] = {
155                 NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
156                 NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL),
157                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
158                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
159                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
160                 NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
161         };
162
163         esdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
164
165         imx_iomux_v3_setup_multiple_pads(sd1_pads, ARRAY_SIZE(sd1_pads));
166
167         return fsl_esdhc_initialize(bis, &esdhc_cfg);
168 }
169 #endif
170
171 static void enable_lvds_clock(struct display_info_t const *dev, const u8 hclk)
172 {
173         static struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE;
174         int ret;
175
176         /* For ETM0430G0DH6 model, this must be enabled before the clock. */
177         gpio_direction_output(IMX_GPIO_NR(6, 0), 1);
178
179         /*
180          * Set LVDS clock to 33.28 MHz for the display. The PLL4 is set to
181          * 233 MHz, divided by 7 by setting CCM_CSCMR2 LDB_DI0_IPU_DIV=1 .
182          */
183         ret = mxc_set_clock(MXC_HCLK, hclk, MXC_LDB_CLK);
184         if (ret)
185                 puts("IPU:   Failed to configure LDB clock\n");
186
187         /* Configure CCM_CSCMR2 */
188         clrsetbits_le32(&mxc_ccm->cscmr2,
189                         (0x7 << 26) | BIT(10) | BIT(8),
190                         (0x5 << 26) | BIT(10) | BIT(8));
191
192         /* Configure LDB_CTRL */
193         writel(0x201, 0x53fa8008);
194 }
195
196 static void enable_lvds_etm0430g0dh6(struct display_info_t const *dev)
197 {
198         gpio_request(IMX_GPIO_NR(6, 0), "LCD");
199
200         /* For ETM0430G0DH6 model, this must be enabled before the clock. */
201         gpio_direction_output(IMX_GPIO_NR(6, 0), 1);
202
203         /*
204          * Set LVDS clock to 9 MHz for the display. The PLL4 is set to
205          * 63 MHz, divided by 7 by setting CCM_CSCMR2 LDB_DI0_IPU_DIV=1 .
206          */
207         enable_lvds_clock(dev, 63);
208 }
209
210 static void enable_lvds_etm0700g0dh6(struct display_info_t const *dev)
211 {
212         gpio_request(IMX_GPIO_NR(6, 0), "LCD");
213
214         /*
215          * Set LVDS clock to 33.28 MHz for the display. The PLL4 is set to
216          * 233 MHz, divided by 7 by setting CCM_CSCMR2 LDB_DI0_IPU_DIV=1 .
217          */
218         enable_lvds_clock(dev, 233);
219
220         /* For ETM0700G0DH6 model, this may be enabled after the clock. */
221         gpio_direction_output(IMX_GPIO_NR(6, 0), 1);
222 }
223
224 static const char *lvds_compat_string;
225
226 static int detect_lvds(struct display_info_t const *dev)
227 {
228         u8 touchid[23];
229         u8 *touchptr = &touchid[0];
230         int ret;
231
232         ret = i2c_set_bus_num(0);
233         if (ret)
234                 return 0;
235
236         /* Touchscreen is at address 0x38, ID register is 0xbb. */
237         ret = i2c_read(0x38, 0xbb, 1, touchid, sizeof(touchid));
238         if (ret)
239                 return 0;
240
241         /* EP0430 prefixes the response with 0xbb, skip it. */
242         if (*touchptr == 0xbb)
243                 touchptr++;
244
245         /* Skip the 'EP' prefix. */
246         touchptr += 2;
247
248         ret = !memcmp(touchptr, &dev->mode.name[7], 4);
249         if (ret)
250                 lvds_compat_string = dev->mode.name;
251
252         return ret;
253 }
254
255 void board_preboot_os(void)
256 {
257         /* Power off the LCD to prevent awful color flicker */
258         gpio_direction_output(IMX_GPIO_NR(6, 0), 0);
259 }
260
261 int ft_board_setup(void *blob, struct bd_info *bd)
262 {
263         if (lvds_compat_string)
264                 do_fixup_by_path_string(blob, "/panel", "compatible",
265                                         lvds_compat_string);
266
267         return 0;
268 }
269
270 struct display_info_t const displays[] = {
271         {
272                 .bus    = 0,
273                 .addr   = 0,
274                 .detect = detect_lvds,
275                 .enable = enable_lvds_etm0430g0dh6,
276                 .pixfmt = IPU_PIX_FMT_RGB666,
277                 .mode   = {
278                         .name           = "edt,etm0430g0dh6",
279                         .refresh        = 60,
280                         .xres           = 480,
281                         .yres           = 272,
282                         .pixclock       = 111111, /* picosecond (9 MHz) */
283                         .left_margin    = 2,
284                         .right_margin   = 2,
285                         .upper_margin   = 2,
286                         .lower_margin   = 2,
287                         .hsync_len      = 41,
288                         .vsync_len      = 10,
289                         .sync           = 0x40000000,
290                         .vmode          = FB_VMODE_NONINTERLACED
291                 }
292         }, {
293                 .bus    = 0,
294                 .addr   = 0,
295                 .detect = detect_lvds,
296                 .enable = enable_lvds_etm0700g0dh6,
297                 .pixfmt = IPU_PIX_FMT_RGB666,
298                 .mode   = {
299                         .name           = "edt,etm0700g0dh6",
300                         .refresh        = 60,
301                         .xres           = 800,
302                         .yres           = 480,
303                         .pixclock       = 30048, /* picosecond (33.28 MHz) */
304                         .left_margin    = 40,
305                         .right_margin   = 88,
306                         .upper_margin   = 10,
307                         .lower_margin   = 33,
308                         .hsync_len      = 128,
309                         .vsync_len      = 2,
310                         .sync           = FB_SYNC_EXT,
311                         .vmode          = FB_VMODE_NONINTERLACED
312                 }
313         }
314 };
315
316 size_t display_count = ARRAY_SIZE(displays);
317
318 #ifdef CONFIG_SPLASH_SCREEN
319 static struct splash_location default_splash_locations[] = {
320         {
321                 .name           = "mmc_fs",
322                 .storage        = SPLASH_STORAGE_MMC,
323                 .flags          = SPLASH_STORAGE_FS,
324                 .devpart        = "0:1",
325         },
326 };
327
328 int splash_screen_prepare(void)
329 {
330         return splash_source_load(default_splash_locations,
331                                   ARRAY_SIZE(default_splash_locations));
332 }
333 #endif
334
335 int board_late_init(void)
336 {
337 #if defined(CONFIG_VIDEO_IPUV3)
338         struct udevice *dev;
339         int xpos, ypos, ret;
340         char *s;
341         void *dst;
342         ulong addr, len;
343
344         splash_get_pos(&xpos, &ypos);
345
346         s = env_get("splashimage");
347         if (!s)
348                 return 0;
349
350         addr = hextoul(s, NULL);
351         dst = malloc(CONFIG_SYS_VIDEO_LOGO_MAX_SIZE);
352         if (!dst)
353                 return -ENOMEM;
354
355         ret = splash_screen_prepare();
356         if (ret < 0)
357                 goto splasherr;
358
359         len = CONFIG_SYS_VIDEO_LOGO_MAX_SIZE;
360         ret = gunzip(dst + 2, CONFIG_SYS_VIDEO_LOGO_MAX_SIZE - 2,
361                      (uchar *)addr, &len);
362         if (ret) {
363                 printf("Error: no valid bmp or bmp.gz image at %lx\n", addr);
364                 goto splasherr;
365         }
366
367         ret = uclass_get_device(UCLASS_VIDEO, 0, &dev);
368         if (ret)
369                 goto splasherr;
370
371         ret = video_bmp_display(dev, (ulong)dst + 2, xpos, ypos, true);
372         if (ret)
373                 goto splasherr;
374
375         return 0;
376
377 splasherr:
378         free(dst);
379 #endif
380         return 0;
381 }
382
383 #define I2C_PAD_CTRL    (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
384                          PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
385
386 static void setup_iomux_i2c(void)
387 {
388         static const iomux_v3_cfg_t i2c_pads[] = {
389                 /* I2C1 */
390                 NEW_PAD_CTRL(MX53_PAD_EIM_D28__I2C1_SDA, I2C_PAD_CTRL),
391                 NEW_PAD_CTRL(MX53_PAD_EIM_D21__I2C1_SCL, I2C_PAD_CTRL),
392                 /* I2C2 */
393                 NEW_PAD_CTRL(MX53_PAD_EIM_D16__I2C2_SDA, I2C_PAD_CTRL),
394                 NEW_PAD_CTRL(MX53_PAD_EIM_EB2__I2C2_SCL, I2C_PAD_CTRL),
395         };
396
397         imx_iomux_v3_setup_multiple_pads(i2c_pads, ARRAY_SIZE(i2c_pads));
398 }
399
400 static void setup_iomux_video(void)
401 {
402         static const iomux_v3_cfg_t lcd_pads[] = {
403                 MX53_PAD_LVDS0_TX3_P__LDB_LVDS0_TX3,
404                 MX53_PAD_LVDS0_CLK_P__LDB_LVDS0_CLK,
405                 MX53_PAD_LVDS0_TX2_P__LDB_LVDS0_TX2,
406                 MX53_PAD_LVDS0_TX1_P__LDB_LVDS0_TX1,
407                 MX53_PAD_LVDS0_TX0_P__LDB_LVDS0_TX0,
408         };
409
410         imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
411 }
412
413 static void setup_iomux_nand(void)
414 {
415         static const iomux_v3_cfg_t nand_pads[] = {
416                 NEW_PAD_CTRL(MX53_PAD_NANDF_WE_B__EMI_NANDF_WE_B,
417                              PAD_CTL_DSE_HIGH),
418                 NEW_PAD_CTRL(MX53_PAD_NANDF_RE_B__EMI_NANDF_RE_B,
419                              PAD_CTL_DSE_HIGH),
420                 NEW_PAD_CTRL(MX53_PAD_NANDF_CLE__EMI_NANDF_CLE,
421                              PAD_CTL_DSE_HIGH),
422                 NEW_PAD_CTRL(MX53_PAD_NANDF_ALE__EMI_NANDF_ALE,
423                              PAD_CTL_DSE_HIGH),
424                 NEW_PAD_CTRL(MX53_PAD_NANDF_WP_B__EMI_NANDF_WP_B,
425                              PAD_CTL_PUS_100K_UP),
426                 NEW_PAD_CTRL(MX53_PAD_NANDF_RB0__EMI_NANDF_RB_0,
427                              PAD_CTL_PUS_100K_UP),
428                 NEW_PAD_CTRL(MX53_PAD_NANDF_CS0__EMI_NANDF_CS_0,
429                              PAD_CTL_DSE_HIGH),
430                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA0__EMI_NANDF_D_0,
431                              PAD_CTL_DSE_HIGH | PAD_CTL_PKE),
432                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA1__EMI_NANDF_D_1,
433                              PAD_CTL_DSE_HIGH | PAD_CTL_PKE),
434                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA2__EMI_NANDF_D_2,
435                              PAD_CTL_DSE_HIGH | PAD_CTL_PKE),
436                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA3__EMI_NANDF_D_3,
437                              PAD_CTL_DSE_HIGH | PAD_CTL_PKE),
438                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA4__EMI_NANDF_D_4,
439                              PAD_CTL_DSE_HIGH | PAD_CTL_PKE),
440                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA5__EMI_NANDF_D_5,
441                              PAD_CTL_DSE_HIGH | PAD_CTL_PKE),
442                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA6__EMI_NANDF_D_6,
443                              PAD_CTL_DSE_HIGH | PAD_CTL_PKE),
444                 NEW_PAD_CTRL(MX53_PAD_PATA_DATA7__EMI_NANDF_D_7,
445                              PAD_CTL_DSE_HIGH | PAD_CTL_PKE),
446         };
447
448         imx_iomux_v3_setup_multiple_pads(nand_pads, ARRAY_SIZE(nand_pads));
449 }
450
451 static void m53_set_clock(void)
452 {
453         int ret;
454         const u32 ref_clk = MXC_HCLK;
455         const u32 dramclk = 400;
456         u32 cpuclk;
457
458         gpio_request(IMX_GPIO_NR(4, 0), "CPUCLK");
459
460         imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX53_PAD_GPIO_10__GPIO4_0,
461                                             PAD_CTL_DSE_HIGH | PAD_CTL_PKE));
462         gpio_direction_input(IMX_GPIO_NR(4, 0));
463
464         /* GPIO10 selects modules' CPU speed, 1 = 1200MHz ; 0 = 800MHz */
465         cpuclk = gpio_get_value(IMX_GPIO_NR(4, 0)) ? 1200 : 800;
466
467         ret = mxc_set_clock(ref_clk, cpuclk, MXC_ARM_CLK);
468         if (ret)
469                 printf("CPU:   Switch CPU clock to %dMHz failed\n", cpuclk);
470
471         ret = mxc_set_clock(ref_clk, dramclk, MXC_PERIPH_CLK);
472         if (ret) {
473                 printf("CPU:   Switch peripheral clock to %dMHz failed\n",
474                        dramclk);
475         }
476
477         ret = mxc_set_clock(ref_clk, dramclk, MXC_DDR_CLK);
478         if (ret)
479                 printf("CPU:   Switch DDR clock to %dMHz failed\n", dramclk);
480 }
481
482 static void m53_set_nand(void)
483 {
484         u32 i;
485
486         /* NAND flash is muxed on ATA pins */
487         setbits_le32(M4IF_BASE_ADDR + 0xc, M4IF_GENP_WEIM_MM_MASK);
488
489         /* Wait for Grant/Ack sequence (see EIM_CSnGCR2:MUX16_BYP_GRANT) */
490         for (i = 0x4; i < 0x94; i += 0x18) {
491                 clrbits_le32(WEIM_BASE_ADDR + i,
492                              WEIM_GCR2_MUX16_BYP_GRANT_MASK);
493         }
494
495         mxc_set_clock(0, 33, MXC_NFC_CLK);
496         enable_nfc_clk(1);
497 }
498
499 int board_early_init_f(void)
500 {
501         setup_iomux_uart();
502         setup_iomux_fec();
503         setup_iomux_i2c();
504         setup_iomux_nand();
505         setup_iomux_video();
506
507         m53_set_clock();
508
509         mxc_set_sata_internal_clock();
510
511         /* NAND clock @ 33MHz */
512         m53_set_nand();
513
514         return 0;
515 }
516
517 int board_init(void)
518 {
519         gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
520
521         return 0;
522 }
523
524 int checkboard(void)
525 {
526         puts("Board: Menlosystems M53Menlo\n");
527
528         return 0;
529 }
530
531 /*
532  * NAND SPL
533  */
534 #ifdef CONFIG_SPL_BUILD
535 void spl_board_init(void)
536 {
537         setup_iomux_nand();
538         m53_set_clock();
539         m53_set_nand();
540 }
541
542 u32 spl_boot_device(void)
543 {
544         return BOOT_DEVICE_NAND;
545 }
546 #endif