#include <env.h>
#include <init.h>
#include <log.h>
+#include <lmb.h>
#include <misc.h>
#include <net.h>
#include <asm/io.h>
*/
u8 early_tlb[PGTABLE_SIZE] __section(".data") __aligned(0x4000);
-#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
-#ifndef CONFIG_TFABOOT
+struct lmb lmb;
+
static void security_init(void)
{
/* Disable the backup domain write protection */
writel(BIT(0), RCC_MP_AHB5ENSETR);
writel(0x0, GPIOZ_SECCFGR);
}
-#endif /* CONFIG_TFABOOT */
/*
* Debug init
* done in TF-A for TRUSTED boot and
* DBGMCU access is controlled by BSEC_DENABLE.DBGSWENABLE
*/
- if (!IS_ENABLED(CONFIG_TFABOOT) && bsec_dbgswenable()) {
+ if (bsec_dbgswenable()) {
setbits_le32(RCC_DBGCFGR, RCC_DBGCFGR_DBGCKEN);
setbits_le32(DBGMCU_APB4FZ1, DBGMCU_APB4FZ1_IWDG2);
}
void spl_board_init(void)
{
+ struct udevice *dev;
+ int ret;
+
dbgmcu_init();
+
+ /* force probe of BSEC driver to shadow the upper OTP */
+ ret = uclass_get_device_by_driver(UCLASS_MISC, DM_DRIVER_GET(stm32mp_bsec), &dev);
+ if (ret)
+ log_warning("BSEC probe failed: %d\n", ret);
}
-#endif /* !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD) */
-#if !defined(CONFIG_TFABOOT) && \
- (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
/* get bootmode from ROM code boot context: saved in TAMP register */
static void update_bootmode(void)
{
TAMP_BOOT_MODE_MASK,
boot_mode << TAMP_BOOT_MODE_SHIFT);
}
-#endif
u32 get_bootmode(void)
{
int i;
phys_addr_t start;
phys_size_t size;
+ bool use_lmb = false;
+ enum dcache_option option;
if (IS_ENABLED(CONFIG_SPL_BUILD)) {
start = ALIGN_DOWN(STM32_SYSRAM_BASE, MMU_SECTION_SIZE);
/* bd->bi_dram is available only after relocation */
start = bd->bi_dram[bank].start;
size = bd->bi_dram[bank].size;
+ use_lmb = true;
} else {
/* mark cacheable and executable the beggining of the DDR */
start = STM32_DDR_BASE;
for (i = start >> MMU_SECTION_SHIFT;
i < (start >> MMU_SECTION_SHIFT) + (size >> MMU_SECTION_SHIFT);
- i++)
- set_section_dcache(i, DCACHE_DEFAULT_OPTION);
+ i++) {
+ option = DCACHE_DEFAULT_OPTION;
+ if (use_lmb && lmb_is_reserved_flags(&lmb, i << MMU_SECTION_SHIFT, LMB_NOMAP))
+ option = 0; /* INVALID ENTRY in TLB */
+ set_section_dcache(i, option);
+ }
}
/*
* initialize the MMU and activate cache in SPL or in U-Boot pre-reloc stage
/* early armv7 timer init: needed for polling */
timer_init();
-#if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)
-#ifndef CONFIG_TFABOOT
- security_init();
- update_bootmode();
-#endif
- /* Reset Coprocessor state unless it wakes up from Standby power mode */
- if (!(readl(PWR_MCUCR) & PWR_MCUCR_SBF)) {
- writel(TAMP_COPRO_STATE_OFF, TAMP_COPRO_STATE);
- writel(0, TAMP_COPRO_RSC_TBL_ADDRESS);
+ if (IS_ENABLED(CONFIG_SPL_BUILD)) {
+ security_init();
+ update_bootmode();
+ }
+/* reset copro state in SPL, when used, or in U-Boot */
+ if (!IS_ENABLED(CONFIG_SPL) || IS_ENABLED(CONFIG_SPL_BUILD)) {
+ /* Reset Coprocessor state unless it wakes up from Standby power mode */
+ if (!(readl(PWR_MCUCR) & PWR_MCUCR_SBF)) {
+ writel(TAMP_COPRO_STATE_OFF, TAMP_COPRO_STATE);
+ writel(0, TAMP_COPRO_RSC_TBL_ADDRESS);
+ }
}
-#endif
boot_mode = get_bootmode();
if (IS_ENABLED(CONFIG_CMD_STM32PROG_SERIAL) &&
(boot_mode & TAMP_BOOT_DEVICE_MASK) == BOOT_SERIAL_UART)
gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE;
-#if defined(CONFIG_DEBUG_UART) && \
- !defined(CONFIG_TFABOOT) && \
- (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD))
- else
+ else if (IS_ENABLED(CONFIG_DEBUG_UART) && IS_ENABLED(CONFIG_SPL_BUILD))
debug_uart_init();
-#endif
return 0;
}
void enable_caches(void)
{
+ /* parse device tree when data cache is still activated */
+ lmb_init_and_reserve(&lmb, gd->bd, (void *)gd->fdt_blob);
+
/* I-cache is already enabled in start.S: icache_enable() not needed */
/* deactivate the data cache, early enabled in arch_cpu_init() */
soc_type[type], soc_pkg[pkg], soc_rev[rev]);
}
-#if defined(CONFIG_DISPLAY_CPUINFO)
+/* used when CONFIG_DISPLAY_CPUINFO is activated */
int print_cpuinfo(void)
{
char name[SOC_NAME_SIZE];
return 0;
}
-#endif /* CONFIG_DISPLAY_CPUINFO */
static void setup_boot_mode(void)
{
STM32_UART7_BASE,
STM32_UART8_BASE
};
+ const u32 sdmmc_addr[] = {
+ STM32_SDMMC1_BASE,
+ STM32_SDMMC2_BASE,
+ STM32_SDMMC3_BASE
+ };
char cmd[60];
u32 boot_ctx = readl(TAMP_BOOT_CONTEXT);
u32 boot_mode =
break;
case BOOT_FLASH_SD:
case BOOT_FLASH_EMMC:
- sprintf(cmd, "%d", instance);
+ if (instance > ARRAY_SIZE(sdmmc_addr))
+ break;
+ /* search associated sdmmc node in devicetree */
+ sprintf(cmd, "mmc@%x", sdmmc_addr[instance]);
+ if (uclass_get_device_by_name(UCLASS_MMC, cmd, &dev)) {
+ printf("mmc%d = %s not found in device tree!\n",
+ instance, cmd);
+ break;
+ }
+ sprintf(cmd, "%d", dev_seq(dev));
env_set("boot_device", "mmc");
env_set("boot_instance", cmd);
break;
env_set("boot_instance", "0");
break;
default:
- log_debug("unexpected boot mode = %x\n", boot_mode);
+ env_set("boot_device", "invalid");
+ env_set("boot_instance", "");
+ log_err("unexpected boot mode = %x\n", boot_mode);
break;
}
*/
__weak int setup_mac_address(void)
{
-#if defined(CONFIG_NET)
int ret;
int i;
u32 otp[2];
uchar enetaddr[6];
struct udevice *dev;
+ if (!IS_ENABLED(CONFIG_NET))
+ return 0;
+
/* MAC already in environment */
if (eth_env_get_enetaddr("ethaddr", enetaddr))
return 0;
ret = eth_env_set_enetaddr("ethaddr", enetaddr);
if (ret)
log_err("Failed to set mac address %pM from OTP: %d\n", enetaddr, ret);
-#endif
return 0;
}