Merge patch series "boot: fdt: Change type of env_get_bootm_low() to phys_addr_t"WIP/11Apr2024

4 files changed, 28 insertions, 34 deletions

diff --git a/boot/bootm.c b/boot/bootm.c
index d071537..032f5a4 100644
--- a/boot/bootm.c
+++ b/boot/bootm.c
@@ -242,13 +242,13 @@ static int boot_get_kernel(const char *addr_fit, struct bootm_headers *images,
 #ifdef CONFIG_LMB
 static void boot_start_lmb(struct bootm_headers *images)
 {
-	ulong		mem_start;
+	phys_addr_t	mem_start;
 	phys_size_t	mem_size;
 
 	mem_start = env_get_bootm_low();
 	mem_size = env_get_bootm_size();
 
-	lmb_init_and_reserve_range(&images->lmb, (phys_addr_t)mem_start,
+	lmb_init_and_reserve_range(&images->lmb, mem_start,
 				   mem_size, NULL);
 }
 #else
diff --git a/boot/image-board.c b/boot/image-board.c
index 75f6906..09b6e4e 100644
--- a/boot/image-board.c
+++ b/boot/image-board.c
@@ -107,14 +107,12 @@ static int on_loadaddr(const char *name, const char *value, enum env_op op,
 }
 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr);
 
-ulong env_get_bootm_low(void)
+phys_addr_t env_get_bootm_low(void)
 {
 	char *s = env_get("bootm_low");
 
-	if (s) {
-		ulong tmp = hextoul(s, NULL);
-		return tmp;
-	}
+	if (s)
+		return simple_strtoull(s, NULL, 16);
 
 #if defined(CFG_SYS_SDRAM_BASE)
 	return CFG_SYS_SDRAM_BASE;
@@ -127,14 +125,12 @@ ulong env_get_bootm_low(void)
 
 phys_size_t env_get_bootm_size(void)
 {
-	phys_size_t tmp, size;
-	phys_addr_t start;
+	phys_addr_t start, low;
+	phys_size_t size;
 	char *s = env_get("bootm_size");
 
-	if (s) {
-		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
-		return tmp;
-	}
+	if (s)
+		return simple_strtoull(s, NULL, 16);
 
 	start = gd->ram_base;
 	size = gd->ram_size;
@@ -144,22 +140,19 @@ phys_size_t env_get_bootm_size(void)
 
 	s = env_get("bootm_low");
 	if (s)
-		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
+		low = simple_strtoull(s, NULL, 16);
 	else
-		tmp = start;
+		low = start;
 
-	return size - (tmp - start);
+	return size - (low - start);
 }
 
 phys_size_t env_get_bootm_mapsize(void)
 {
-	phys_size_t tmp;
 	char *s = env_get("bootm_mapsize");
 
-	if (s) {
-		tmp = (phys_size_t)simple_strtoull(s, NULL, 16);
-		return tmp;
-	}
+	if (s)
+		return simple_strtoull(s, NULL, 16);
 
 #if defined(CFG_SYS_BOOTMAPSZ)
 	return CFG_SYS_BOOTMAPSZ;
@@ -538,7 +531,7 @@ int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
 		      ulong *initrd_start, ulong *initrd_end)
 {
 	char	*s;
-	ulong	initrd_high;
+	phys_addr_t initrd_high;
 	int	initrd_copy_to_ram = 1;
 
 	s = env_get("initrd_high");
@@ -553,8 +546,8 @@ int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len,
 		initrd_high = env_get_bootm_mapsize() + env_get_bootm_low();
 	}
 
-	debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n",
-	      initrd_high, initrd_copy_to_ram);
+	debug("## initrd_high = 0x%llx, copy_to_ram = %d\n",
+	      (u64)initrd_high, initrd_copy_to_ram);
 
 	if (rd_data) {
 		if (!initrd_copy_to_ram) {	/* zero-copy ramdisk support */
diff --git a/boot/image-fdt.c b/boot/image-fdt.c
index 5e4aa9d..2b92bda 100644
--- a/boot/image-fdt.c
+++ b/boot/image-fdt.c
@@ -160,9 +160,11 @@ int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size)
 {
 	void	*fdt_blob = *of_flat_tree;
 	void	*of_start = NULL;
-	u64	start, size, usable;
+	phys_addr_t start, size, usable;
 	char	*fdt_high;
-	ulong	mapsize, low;
+	phys_addr_t addr;
+	phys_addr_t low;
+	phys_size_t mapsize;
 	ulong	of_len = 0;
 	int	bank;
 	int	err;
@@ -185,7 +187,6 @@ int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size)
 	fdt_high = env_get("fdt_high");
 	if (fdt_high) {
 		ulong desired_addr = hextoul(fdt_high, NULL);
-		ulong addr;
 
 		if (desired_addr == ~0UL) {
 			/* All ones means use fdt in place */
@@ -217,14 +218,14 @@ int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size)
 			if (start + size < low)
 				continue;
 
-			usable = min(start + size, (u64)(low + mapsize));
-
 			/*
 			 * At least part of this DRAM bank is usable, try
-			 * using it for LMB allocation.
+			 * using the DRAM bank up to 'usable' address limit
+			 * for LMB allocation.
 			 */
-			of_start = map_sysmem((ulong)lmb_alloc_base(lmb,
-				    of_len, 0x1000, usable), of_len);
+			usable = min(start + size, low + mapsize);
+			addr = lmb_alloc_base(lmb, of_len, 0x1000, usable);
+			of_start = map_sysmem(addr, of_len);
 			/* Allocation succeeded, use this block. */
 			if (of_start != NULL)
 				break;
@@ -233,7 +234,7 @@ int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size)
 			 * Reduce the mapping size in the next bank
 			 * by the size of attempt in current bank.
 			 */
-			mapsize -= usable - max(start, (u64)low);
+			mapsize -= usable - max(start, low);
 			if (!mapsize)
 				break;
 		}
diff --git a/include/image.h b/include/image.h
index 21de70f..acffd17 100644
--- a/include/image.h
+++ b/include/image.h
@@ -946,7 +946,7 @@ static inline void image_set_name(struct legacy_img_hdr *hdr, const char *name)
 int image_check_hcrc(const struct legacy_img_hdr *hdr);
 int image_check_dcrc(const struct legacy_img_hdr *hdr);
 #ifndef USE_HOSTCC
-ulong env_get_bootm_low(void);
+phys_addr_t env_get_bootm_low(void);
 phys_size_t env_get_bootm_size(void);
 phys_size_t env_get_bootm_mapsize(void);
 #endif