2 * (C) Copyright 2013 SAMSUNG Electronics
3 * Rajeshwari Shinde <rajeshwari.s@samsung.com>
5 * SPDX-License-Identifier: GPL-2.0+
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>
28 #include <dwc3-uboot.h>
29 #include <samsung/misc.h>
31 DECLARE_GLOBAL_DATA_PTR
;
33 __weak
int exynos_early_init_f(void)
38 __weak
int exynos_power_init(void)
43 #if defined CONFIG_EXYNOS_TMU
44 /* Boot Time Thermal Analysis for SoC temperature threshold breach */
45 static void boot_temp_check(void)
49 switch (tmu_monitor(&temp
)) {
50 case TMU_STATUS_NORMAL
:
52 case TMU_STATUS_TRIPPED
:
54 * Status TRIPPED ans WARNING means corresponding threshold
57 puts("EXYNOS_TMU: TRIPPING! Device power going down ...\n");
61 case TMU_STATUS_WARNING
:
62 puts("EXYNOS_TMU: WARNING! Temperature very high\n");
66 * TMU_STATUS_INIT means something is wrong with temperature
67 * sensing and TMU status was changed back from NORMAL to INIT.
69 puts("EXYNOS_TMU: WARNING! Temperature sensing not done\n");
72 debug("EXYNOS_TMU: Unknown TMU state\n");
79 gd
->bd
->bi_boot_params
= (PHYS_SDRAM_1
+ 0x100UL
);
80 #if defined CONFIG_EXYNOS_TMU
81 if (tmu_init(gd
->fdt_blob
) != TMU_STATUS_NORMAL
) {
82 debug("%s: Failed to init TMU\n", __func__
);
87 #ifdef CONFIG_TZSW_RESERVED_DRAM_SIZE
88 /* The last few MB of memory can be reserved for secure firmware */
89 ulong size
= CONFIG_TZSW_RESERVED_DRAM_SIZE
;
92 gd
->bd
->bi_dram
[CONFIG_NR_DRAM_BANKS
- 1].size
-= size
;
102 for (i
= 0; i
< CONFIG_NR_DRAM_BANKS
; i
++) {
103 addr
= CONFIG_SYS_SDRAM_BASE
+ (i
* SDRAM_BANK_SIZE
);
104 gd
->ram_size
+= get_ram_size((long *)addr
, SDRAM_BANK_SIZE
);
109 void dram_init_banksize(void)
114 for (i
= 0; i
< CONFIG_NR_DRAM_BANKS
; i
++) {
115 addr
= CONFIG_SYS_SDRAM_BASE
+ (i
* SDRAM_BANK_SIZE
);
116 size
= get_ram_size((long *)addr
, SDRAM_BANK_SIZE
);
118 gd
->bd
->bi_dram
[i
].start
= addr
;
119 gd
->bd
->bi_dram
[i
].size
= size
;
123 static int board_uart_init(void)
125 int err
, uart_id
, ret
= 0;
127 for (uart_id
= PERIPH_ID_UART0
; uart_id
<= PERIPH_ID_UART3
; uart_id
++) {
128 err
= exynos_pinmux_config(uart_id
, PINMUX_FLAG_NONE
);
130 debug("UART%d not configured\n",
131 (uart_id
- PERIPH_ID_UART0
));
138 #ifdef CONFIG_BOARD_EARLY_INIT_F
139 int board_early_init_f(void)
142 #ifdef CONFIG_BOARD_TYPES
145 err
= board_uart_init();
147 debug("UART init failed\n");
151 #ifdef CONFIG_SYS_I2C_INIT_BOARD
152 board_i2c_init(gd
->fdt_blob
);
155 #if defined(CONFIG_OF_CONTROL) && defined(CONFIG_EXYNOS_FB)
157 * board_init_f(arch/arm/lib/board.c) calls lcd_setmem() which needs
158 * panel_info.vl_col, panel_info.vl_row and panel_info.vl_bpix, to reserve
159 * FB memory at a very early stage. So, we need to fill panel_info.vl_col,
160 * panel_info.vl_row and panel_info.vl_bpix before lcd_setmem() is called.
162 err
= exynos_lcd_early_init(gd
->fdt_blob
);
164 debug("LCD early init failed\n");
169 return exynos_early_init_f();
173 #if defined(CONFIG_POWER) || defined(CONFIG_DM_PMIC)
174 int power_init_board(void)
178 return exynos_power_init();
182 #ifdef CONFIG_OF_CONTROL
183 #ifdef CONFIG_SMC911X
184 static int decode_sromc(const void *blob
, struct fdt_sromc
*config
)
189 node
= fdtdec_next_compatible(blob
, 0, COMPAT_SAMSUNG_EXYNOS5_SROMC
);
191 debug("Could not find SROMC node\n");
195 config
->bank
= fdtdec_get_int(blob
, node
, "bank", 0);
196 config
->width
= fdtdec_get_int(blob
, node
, "width", 2);
198 err
= fdtdec_get_int_array(blob
, node
, "srom-timing", config
->timing
,
199 FDT_SROM_TIMING_COUNT
);
201 debug("Could not decode SROMC configuration Error: %s\n",
203 return -FDT_ERR_NOTFOUND
;
209 int board_eth_init(bd_t
*bis
)
211 #ifdef CONFIG_SMC911X
212 u32 smc_bw_conf
, smc_bc_conf
;
213 struct fdt_sromc config
;
214 fdt_addr_t base_addr
;
217 node
= decode_sromc(gd
->fdt_blob
, &config
);
219 debug("%s: Could not find sromc configuration\n", __func__
);
222 node
= fdtdec_next_compatible(gd
->fdt_blob
, node
, COMPAT_SMSC_LAN9215
);
224 debug("%s: Could not find lan9215 configuration\n", __func__
);
228 /* We now have a node, so any problems from now on are errors */
229 base_addr
= fdtdec_get_addr(gd
->fdt_blob
, node
, "reg");
230 if (base_addr
== FDT_ADDR_T_NONE
) {
231 debug("%s: Could not find lan9215 address\n", __func__
);
235 /* Ethernet needs data bus width of 16 bits */
236 if (config
.width
!= 2) {
237 debug("%s: Unsupported bus width %d\n", __func__
,
241 smc_bw_conf
= SROMC_DATA16_WIDTH(config
.bank
)
242 | SROMC_BYTE_ENABLE(config
.bank
);
244 smc_bc_conf
= SROMC_BC_TACS(config
.timing
[FDT_SROM_TACS
]) |
245 SROMC_BC_TCOS(config
.timing
[FDT_SROM_TCOS
]) |
246 SROMC_BC_TACC(config
.timing
[FDT_SROM_TACC
]) |
247 SROMC_BC_TCOH(config
.timing
[FDT_SROM_TCOH
]) |
248 SROMC_BC_TAH(config
.timing
[FDT_SROM_TAH
]) |
249 SROMC_BC_TACP(config
.timing
[FDT_SROM_TACP
]) |
250 SROMC_BC_PMC(config
.timing
[FDT_SROM_PMC
]);
252 /* Select and configure the SROMC bank */
253 exynos_pinmux_config(PERIPH_ID_SROMC
, config
.bank
);
254 s5p_config_sromc(config
.bank
, smc_bw_conf
, smc_bc_conf
);
255 return smc911x_initialize(0, base_addr
);
260 #ifdef CONFIG_GENERIC_MMC
261 static int init_mmc(void)
264 return exynos_mmc_init(gd
->fdt_blob
);
270 static int init_dwmmc(void)
273 return exynos_dwmmc_init(gd
->fdt_blob
);
279 int board_mmc_init(bd_t
*bis
)
283 if (get_boot_mode() == BOOT_MODE_SD
) {
292 debug("mmc init failed\n");
298 #ifdef CONFIG_DISPLAY_BOARDINFO
301 const char *board_info
;
303 board_info
= fdt_getprop(gd
->fdt_blob
, 0, "model", NULL
);
304 printf("Board: %s\n", board_info
? board_info
: "unknown");
305 #ifdef CONFIG_BOARD_TYPES
306 board_info
= get_board_type();
308 printf("Model: %s\n", board_info
? board_info
: "unknown");
313 #endif /* CONFIG_OF_CONTROL */
315 #ifdef CONFIG_BOARD_LATE_INIT
316 int board_late_init(void)
318 stdio_print_current_devices();
320 if (cros_ec_get_error()) {
321 /* Force console on */
322 gd
->flags
&= ~GD_FLG_SILENT
;
324 printf("cros-ec communications failure %d\n",
325 cros_ec_get_error());
326 puts("\nPlease reset with Power+Refresh\n\n");
327 panic("Cannot init cros-ec device");
334 #ifdef CONFIG_MISC_INIT_R
335 int misc_init_r(void)
337 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
340 #ifdef CONFIG_LCD_MENU
344 #ifdef CONFIG_CMD_BMP
345 if (panel_info
.logo_on
)
352 void reset_misc(void)
354 struct gpio_desc gpio
= {};
357 node
= fdt_node_offset_by_compatible(gd
->fdt_blob
, 0,
358 "samsung,emmc-reset");
362 gpio_request_by_name_nodev(gd
->fdt_blob
, node
, "reset-gpio", 0, &gpio
,
365 if (dm_gpio_is_valid(&gpio
)) {
369 * FIXME: Need to optimize delay time. Minimum 1usec pulse is
370 * required by 'JEDEC Standard No.84-A441' (eMMC)
371 * document but real delay time is expected to greater
374 dm_gpio_set_value(&gpio
, 0);
376 dm_gpio_set_value(&gpio
, 1);
380 int board_usb_cleanup(int index
, enum usb_init_type init
)
382 #ifdef CONFIG_USB_DWC3
383 dwc3_uboot_exit(index
);