board_f: Drop setup_dram_config() wrapper
[oweals/u-boot.git] / board / samsung / common / board.c
1 /*
2  * (C) Copyright 2013 SAMSUNG Electronics
3  * Rajeshwari Shinde <rajeshwari.s@samsung.com>
4  *
5  * SPDX-License-Identifier:     GPL-2.0+
6  */
7
8 #include <common.h>
9 #include <cros_ec.h>
10 #include <errno.h>
11 #include <fdtdec.h>
12 #include <spi.h>
13 #include <tmu.h>
14 #include <netdev.h>
15 #include <asm/io.h>
16 #include <asm/gpio.h>
17 #include <asm/arch/board.h>
18 #include <asm/arch/cpu.h>
19 #include <asm/arch/dwmmc.h>
20 #include <asm/arch/mmc.h>
21 #include <asm/arch/pinmux.h>
22 #include <asm/arch/power.h>
23 #include <asm/arch/system.h>
24 #include <asm/arch/sromc.h>
25 #include <lcd.h>
26 #include <i2c.h>
27 #include <usb.h>
28 #include <dwc3-uboot.h>
29 #include <samsung/misc.h>
30 #include <dm/pinctrl.h>
31 #include <dm.h>
32
33 DECLARE_GLOBAL_DATA_PTR;
34
35 __weak int exynos_early_init_f(void)
36 {
37         return 0;
38 }
39
40 __weak int exynos_power_init(void)
41 {
42         return 0;
43 }
44
45 #if defined CONFIG_EXYNOS_TMU
46 /* Boot Time Thermal Analysis for SoC temperature threshold breach */
47 static void boot_temp_check(void)
48 {
49         int temp;
50
51         switch (tmu_monitor(&temp)) {
52         case TMU_STATUS_NORMAL:
53                 break;
54         case TMU_STATUS_TRIPPED:
55                 /*
56                  * Status TRIPPED ans WARNING means corresponding threshold
57                  * breach
58                  */
59                 puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n");
60                 set_ps_hold_ctrl();
61                 hang();
62                 break;
63         case TMU_STATUS_WARNING:
64                 puts("EXYNOS_TMU: WARNING! Temperature very high\n");
65                 break;
66         case TMU_STATUS_INIT:
67                 /*
68                  * TMU_STATUS_INIT means something is wrong with temperature
69                  * sensing and TMU status was changed back from NORMAL to INIT.
70                  */
71                 puts("EXYNOS_TMU: WARNING! Temperature sensing not done\n");
72                 break;
73         default:
74                 debug("EXYNOS_TMU: Unknown TMU state\n");
75         }
76 }
77 #endif
78
79 int board_init(void)
80 {
81         gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
82 #if defined CONFIG_EXYNOS_TMU
83         if (tmu_init(gd->fdt_blob) != TMU_STATUS_NORMAL) {
84                 debug("%s: Failed to init TMU\n", __func__);
85                 return -1;
86         }
87         boot_temp_check();
88 #endif
89 #ifdef CONFIG_TZSW_RESERVED_DRAM_SIZE
90         /* The last few MB of memory can be reserved for secure firmware */
91         ulong size = CONFIG_TZSW_RESERVED_DRAM_SIZE;
92
93         gd->ram_size -= size;
94         gd->bd->bi_dram[CONFIG_NR_DRAM_BANKS - 1].size -= size;
95 #endif
96         return exynos_init();
97 }
98
99 int dram_init(void)
100 {
101         unsigned int i;
102         unsigned long addr;
103
104         for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
105                 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
106                 gd->ram_size += get_ram_size((long *)addr, SDRAM_BANK_SIZE);
107         }
108         return 0;
109 }
110
111 int dram_init_banksize(void)
112 {
113         unsigned int i;
114         unsigned long addr, size;
115
116         for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
117                 addr = CONFIG_SYS_SDRAM_BASE + (i * SDRAM_BANK_SIZE);
118                 size = get_ram_size((long *)addr, SDRAM_BANK_SIZE);
119
120                 gd->bd->bi_dram[i].start = addr;
121                 gd->bd->bi_dram[i].size = size;
122         }
123
124         return 0;
125 }
126
127 static int board_uart_init(void)
128 {
129 #ifndef CONFIG_PINCTRL_EXYNOS
130         int err, uart_id, ret = 0;
131
132         for (uart_id = PERIPH_ID_UART0; uart_id <= PERIPH_ID_UART3; uart_id++) {
133                 err = exynos_pinmux_config(uart_id, PINMUX_FLAG_NONE);
134                 if (err) {
135                         debug("UART%d not configured\n",
136                               (uart_id - PERIPH_ID_UART0));
137                         ret |= err;
138                 }
139         }
140         return ret;
141 #else
142         return 0;
143 #endif
144 }
145
146 #ifdef CONFIG_BOARD_EARLY_INIT_F
147 int board_early_init_f(void)
148 {
149         int err;
150 #ifdef CONFIG_BOARD_TYPES
151         set_board_type();
152 #endif
153         err = board_uart_init();
154         if (err) {
155                 debug("UART init failed\n");
156                 return err;
157         }
158
159 #ifdef CONFIG_SYS_I2C_INIT_BOARD
160         board_i2c_init(gd->fdt_blob);
161 #endif
162
163         return exynos_early_init_f();
164 }
165 #endif
166
167 #if defined(CONFIG_POWER) || defined(CONFIG_DM_PMIC)
168 int power_init_board(void)
169 {
170         set_ps_hold_ctrl();
171
172         return exynos_power_init();
173 }
174 #endif
175
176 #ifdef CONFIG_SMC911X
177 static int decode_sromc(const void *blob, struct fdt_sromc *config)
178 {
179         int err;
180         int node;
181
182         node = fdtdec_next_compatible(blob, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC);
183         if (node < 0) {
184                 debug("Could not find SROMC node\n");
185                 return node;
186         }
187
188         config->bank = fdtdec_get_int(blob, node, "bank", 0);
189         config->width = fdtdec_get_int(blob, node, "width", 2);
190
191         err = fdtdec_get_int_array(blob, node, "srom-timing", config->timing,
192                         FDT_SROM_TIMING_COUNT);
193         if (err < 0) {
194                 debug("Could not decode SROMC configuration Error: %s\n",
195                       fdt_strerror(err));
196                 return -FDT_ERR_NOTFOUND;
197         }
198         return 0;
199 }
200 #endif
201
202 int board_eth_init(bd_t *bis)
203 {
204 #ifdef CONFIG_SMC911X
205         u32 smc_bw_conf, smc_bc_conf;
206         struct fdt_sromc config;
207         fdt_addr_t base_addr;
208         int node;
209
210         node = decode_sromc(gd->fdt_blob, &config);
211         if (node < 0) {
212                 debug("%s: Could not find sromc configuration\n", __func__);
213                 return 0;
214         }
215         node = fdtdec_next_compatible(gd->fdt_blob, node, COMPAT_SMSC_LAN9215);
216         if (node < 0) {
217                 debug("%s: Could not find lan9215 configuration\n", __func__);
218                 return 0;
219         }
220
221         /* We now have a node, so any problems from now on are errors */
222         base_addr = fdtdec_get_addr(gd->fdt_blob, node, "reg");
223         if (base_addr == FDT_ADDR_T_NONE) {
224                 debug("%s: Could not find lan9215 address\n", __func__);
225                 return -1;
226         }
227
228         /* Ethernet needs data bus width of 16 bits */
229         if (config.width != 2) {
230                 debug("%s: Unsupported bus width %d\n", __func__,
231                       config.width);
232                 return -1;
233         }
234         smc_bw_conf = SROMC_DATA16_WIDTH(config.bank)
235                         | SROMC_BYTE_ENABLE(config.bank);
236
237         smc_bc_conf = SROMC_BC_TACS(config.timing[FDT_SROM_TACS])   |
238                         SROMC_BC_TCOS(config.timing[FDT_SROM_TCOS]) |
239                         SROMC_BC_TACC(config.timing[FDT_SROM_TACC]) |
240                         SROMC_BC_TCOH(config.timing[FDT_SROM_TCOH]) |
241                         SROMC_BC_TAH(config.timing[FDT_SROM_TAH])   |
242                         SROMC_BC_TACP(config.timing[FDT_SROM_TACP]) |
243                         SROMC_BC_PMC(config.timing[FDT_SROM_PMC]);
244
245         /* Select and configure the SROMC bank */
246         exynos_pinmux_config(PERIPH_ID_SROMC, config.bank);
247         s5p_config_sromc(config.bank, smc_bw_conf, smc_bc_conf);
248         return smc911x_initialize(0, base_addr);
249 #endif
250         return 0;
251 }
252
253 #ifdef CONFIG_GENERIC_MMC
254 static int init_mmc(void)
255 {
256 #ifdef CONFIG_MMC_SDHCI
257         return exynos_mmc_init(gd->fdt_blob);
258 #else
259         return 0;
260 #endif
261 }
262
263 static int init_dwmmc(void)
264 {
265 #ifdef CONFIG_MMC_DW
266         return exynos_dwmmc_init(gd->fdt_blob);
267 #else
268         return 0;
269 #endif
270 }
271
272 int board_mmc_init(bd_t *bis)
273 {
274         int ret;
275
276         if (get_boot_mode() == BOOT_MODE_SD) {
277                 ret = init_mmc();
278                 ret |= init_dwmmc();
279         } else {
280                 ret = init_dwmmc();
281                 ret |= init_mmc();
282         }
283
284         if (ret)
285                 debug("mmc init failed\n");
286
287         return ret;
288 }
289 #endif
290
291 #ifdef CONFIG_DISPLAY_BOARDINFO
292 int checkboard(void)
293 {
294         const char *board_info;
295
296         board_info = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
297         printf("Board: %s\n", board_info ? board_info : "unknown");
298 #ifdef CONFIG_BOARD_TYPES
299         board_info = get_board_type();
300         if (board_info)
301                 printf("Type:  %s\n", board_info);
302 #endif
303         return 0;
304 }
305 #endif
306
307 #ifdef CONFIG_BOARD_LATE_INIT
308 int board_late_init(void)
309 {
310         stdio_print_current_devices();
311
312         if (cros_ec_get_error()) {
313                 /* Force console on */
314                 gd->flags &= ~GD_FLG_SILENT;
315
316                 printf("cros-ec communications failure %d\n",
317                        cros_ec_get_error());
318                 puts("\nPlease reset with Power+Refresh\n\n");
319                 panic("Cannot init cros-ec device");
320                 return -1;
321         }
322         return 0;
323 }
324 #endif
325
326 #ifdef CONFIG_MISC_INIT_R
327 int misc_init_r(void)
328 {
329 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
330         set_board_info();
331 #endif
332 #ifdef CONFIG_LCD_MENU
333         keys_init();
334         check_boot_mode();
335 #endif
336 #ifdef CONFIG_CMD_BMP
337         if (panel_info.logo_on)
338                 draw_logo();
339 #endif
340         return 0;
341 }
342 #endif
343
344 void reset_misc(void)
345 {
346         struct gpio_desc gpio = {};
347         int node;
348
349         node = fdt_node_offset_by_compatible(gd->fdt_blob, 0,
350                         "samsung,emmc-reset");
351         if (node < 0)
352                 return;
353
354         gpio_request_by_name_nodev(gd->fdt_blob, node, "reset-gpio", 0, &gpio,
355                                    GPIOD_IS_OUT);
356
357         if (dm_gpio_is_valid(&gpio)) {
358                 /*
359                  * Reset eMMC
360                  *
361                  * FIXME: Need to optimize delay time. Minimum 1usec pulse is
362                  *        required by 'JEDEC Standard No.84-A441' (eMMC)
363                  *        document but real delay time is expected to greater
364                  *        than 1usec.
365                  */
366                 dm_gpio_set_value(&gpio, 0);
367                 mdelay(10);
368                 dm_gpio_set_value(&gpio, 1);
369         }
370 }
371
372 int board_usb_cleanup(int index, enum usb_init_type init)
373 {
374 #ifdef CONFIG_USB_DWC3
375         dwc3_uboot_exit(index);
376 #endif
377         return 0;
378 }