diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c index c7c5230983d..67be18e89f4 100644 --- a/drivers/soc/qcom/cmd-db.c +++ b/drivers/soc/qcom/cmd-db.c @@ -6,6 +6,7 @@ #define pr_fmt(fmt) "cmd-db: " fmt +#include #include #include #include @@ -182,9 +183,10 @@ u32 cmd_db_read_addr(const char *id) } EXPORT_SYMBOL_GPL(cmd_db_read_addr); -int cmd_db_bind(struct udevice *dev) +static int cmd_db_bind(struct udevice *dev) { void __iomem *base; + fdt_size_t size; ofnode node; if (cmd_db_header) @@ -194,12 +196,15 @@ int cmd_db_bind(struct udevice *dev) debug("%s(%s)\n", __func__, ofnode_get_name(node)); - base = (void __iomem *)ofnode_get_addr(node); + base = (void __iomem *)ofnode_get_addr_size(node, "reg", &size); if ((fdt_addr_t)base == FDT_ADDR_T_NONE) { log_err("%s: Failed to read base address\n", __func__); return -ENOENT; } + /* On SM8550/SM8650 and newer SoCs cmd-db might not be mapped */ + mmu_map_region((phys_addr_t)base, (phys_size_t)size, false); + cmd_db_header = base; if (!cmd_db_magic_matches(cmd_db_header)) { log_err("%s: Invalid Command DB Magic\n", __func__);