]> Git Repo - u-boot.git/blobdiff - arch/arm/mach-stm32mp/spl.c
common: Drop asm/global_data.h from common header
[u-boot.git] / arch / arm / mach-stm32mp / spl.c
index 790973e8b6e9101bcfb9a10f896f36c68776c8cc..b53659a698ad8ace64441746658185e51fe94aa6 100644 (file)
@@ -3,17 +3,26 @@
  * Copyright (C) 2018, STMicroelectronics - All Rights Reserved
  */
 
+#define LOG_CATEGORY LOGC_ARCH
+
 #include <common.h>
+#include <cpu_func.h>
 #include <dm.h>
+#include <hang.h>
+#include <init.h>
+#include <log.h>
 #include <spl.h>
+#include <asm/cache.h>
+#include <asm/global_data.h>
 #include <asm/io.h>
+#include <asm/arch/sys_proto.h>
+#include <linux/libfdt.h>
 
 u32 spl_boot_device(void)
 {
        u32 boot_mode;
 
-       boot_mode = (readl(TAMP_BOOT_CONTEXT) & TAMP_BOOT_MODE_MASK) >>
-                   TAMP_BOOT_MODE_SHIFT;
+       boot_mode = get_bootmode();
 
        switch (boot_mode) {
        case BOOT_FLASH_SD_1:
@@ -22,17 +31,35 @@ u32 spl_boot_device(void)
        case BOOT_FLASH_SD_2:
        case BOOT_FLASH_EMMC_2:
                return BOOT_DEVICE_MMC2;
+       case BOOT_SERIAL_UART_1:
+       case BOOT_SERIAL_UART_2:
+       case BOOT_SERIAL_UART_3:
+       case BOOT_SERIAL_UART_4:
+       case BOOT_SERIAL_UART_5:
+       case BOOT_SERIAL_UART_6:
+       case BOOT_SERIAL_UART_7:
+       case BOOT_SERIAL_UART_8:
+               return BOOT_DEVICE_UART;
+       case BOOT_SERIAL_USB_OTG:
+               return BOOT_DEVICE_USB;
+       case BOOT_FLASH_NAND_FMC:
+               return BOOT_DEVICE_NAND;
+       case BOOT_FLASH_NOR_QSPI:
+               return BOOT_DEVICE_SPI;
+       case BOOT_FLASH_SPINAND_1:
+               return BOOT_DEVICE_NONE; /* SPINAND not supported in SPL */
        }
 
        return BOOT_DEVICE_MMC1;
 }
 
-u32 spl_boot_mode(const u32 boot_device)
+u32 spl_mmc_boot_mode(const u32 boot_device)
 {
        return MMCSD_MODE_RAW;
 }
 
-int spl_boot_partition(const u32 boot_device)
+#ifdef CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_PARTITION
+int spl_mmc_boot_partition(const u32 boot_device)
 {
        switch (boot_device) {
        case BOOT_DEVICE_MMC1:
@@ -43,6 +70,27 @@ int spl_boot_partition(const u32 boot_device)
                return -EINVAL;
        }
 }
+#endif
+
+#ifdef CONFIG_SPL_DISPLAY_PRINT
+void spl_display_print(void)
+{
+       DECLARE_GLOBAL_DATA_PTR;
+       const char *model;
+
+       /* same code than show_board_info() but not compiled for SPL
+        * see CONFIG_DISPLAY_BOARDINFO & common/board_info.c
+        */
+       model = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
+       if (model)
+               log_info("Model: %s\n", model);
+}
+#endif
+
+__weak int board_early_init_f(void)
+{
+       return 0;
+}
 
 void board_init_f(ulong dummy)
 {
@@ -53,34 +101,59 @@ void board_init_f(ulong dummy)
 
        ret = spl_early_init();
        if (ret) {
-               debug("spl_early_init() failed: %d\n", ret);
+               log_debug("spl_early_init() failed: %d\n", ret);
                hang();
        }
 
        ret = uclass_get_device(UCLASS_CLK, 0, &dev);
        if (ret) {
-               debug("Clock init failed: %d\n", ret);
-               return;
+               log_debug("Clock init failed: %d\n", ret);
+               hang();
        }
 
        ret = uclass_get_device(UCLASS_RESET, 0, &dev);
        if (ret) {
-               debug("Reset init failed: %d\n", ret);
-               return;
+               log_debug("Reset init failed: %d\n", ret);
+               hang();
        }
 
        ret = uclass_get_device(UCLASS_PINCTRL, 0, &dev);
        if (ret) {
-               debug("%s: Cannot find pinctrl device\n", __func__);
-               return;
+               log_debug("%s: Cannot find pinctrl device\n", __func__);
+               hang();
        }
 
        /* enable console uart printing */
        preloader_console_init();
 
+       ret = board_early_init_f();
+       if (ret) {
+               log_debug("board_early_init_f() failed: %d\n", ret);
+               hang();
+       }
+
        ret = uclass_get_device(UCLASS_RAM, 0, &dev);
        if (ret) {
-               debug("DRAM init failed: %d\n", ret);
-               return;
+               log_err("DRAM init failed: %d\n", ret);
+               hang();
        }
+
+       /*
+        * activate cache on DDR only when DDR is fully initialized
+        * to avoid speculative access and issue in get_ram_size()
+        */
+       if (!CONFIG_IS_ENABLED(SYS_DCACHE_OFF))
+               mmu_set_region_dcache_behaviour(STM32_DDR_BASE,
+                                               CONFIG_DDR_CACHEABLE_SIZE,
+                                               DCACHE_DEFAULT_OPTION);
+}
+
+void spl_board_prepare_for_boot(void)
+{
+       dcache_disable();
+}
+
+void spl_board_prepare_for_linux(void)
+{
+       dcache_disable();
 }
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