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