From 25a3845d2b0f4808b5fb75f5e059f94b732b7ada Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Mon, 1 Oct 2018 12:22:25 -0600 Subject: [PATCH] fdt: Remove fdtdec_decode_region() function This function is not used in U-Boot now. Remove it along with its 'memory' version. Signed-off-by: Simon Glass --- include/fdtdec.h | 45 -------------------------- lib/fdtdec.c | 83 ------------------------------------------------ 2 files changed, 128 deletions(-) diff --git a/include/fdtdec.h b/include/fdtdec.h index 83be06403d..c26df50543 100644 --- a/include/fdtdec.h +++ b/include/fdtdec.h @@ -802,23 +802,6 @@ int fdtdec_get_byte_array(const void *blob, int node, const char *prop_name, const u8 *fdtdec_locate_byte_array(const void *blob, int node, const char *prop_name, int count); -/** - * Look up a property in a node which contains a memory region address and - * size. Then return a pointer to this address. - * - * The property must hold one address with a length. This is only tested on - * 32-bit machines. - * - * @param blob FDT blob - * @param node node to examine - * @param prop_name name of property to find - * @param basep Returns base address of region - * @param size Returns size of region - * @return 0 if ok, -1 on error (property not found) - */ -int fdtdec_decode_region(const void *blob, int node, const char *prop_name, - fdt_addr_t *basep, fdt_size_t *sizep); - /** * Obtain an indexed resource from a device property. * @@ -849,34 +832,6 @@ int fdt_get_named_resource(const void *fdt, int node, const char *property, const char *prop_names, const char *name, struct fdt_resource *res); -/** - * Decode a named region within a memory bank of a given type. - * - * This function handles selection of a memory region. The region is - * specified as an offset/size within a particular type of memory. - * - * The properties used are: - * - * -memory for the name of the memory bank - * -offset for the offset in that bank - * - * The property value must have an offset and a size. The function checks - * that the region is entirely within the memory bank.5 - * - * @param blob FDT blob - * @param node Node containing the properties (-1 for /config) - * @param mem_type Type of memory to use, which is a name, such as - * "u-boot" or "kernel". - * @param suffix String to append to the memory/offset - * property names - * @param basep Returns base of region - * @param sizep Returns size of region - * @return 0 if OK, -ive on error - */ -int fdtdec_decode_memory_region(const void *blob, int node, - const char *mem_type, const char *suffix, - fdt_addr_t *basep, fdt_size_t *sizep); - /* Display timings from linux include/video/display_timing.h */ enum display_flags { DISPLAY_FLAGS_HSYNC_LOW = 1 << 0, diff --git a/lib/fdtdec.c b/lib/fdtdec.c index 74196ce7f9..b1b39254bf 100644 --- a/lib/fdtdec.c +++ b/lib/fdtdec.c @@ -922,28 +922,6 @@ char *fdtdec_get_config_string(const void *blob, const char *prop_name) return (char *)nodep; } -int fdtdec_decode_region(const void *blob, int node, const char *prop_name, - fdt_addr_t *basep, fdt_size_t *sizep) -{ - const fdt_addr_t *cell; - int len; - - debug("%s: %s: %s\n", __func__, fdt_get_name(blob, node, NULL), - prop_name); - cell = fdt_getprop(blob, node, prop_name, &len); - if (!cell || (len < sizeof(fdt_addr_t) * 2)) { - debug("cell=%p, len=%d\n", cell, len); - return -1; - } - - *basep = fdt_addr_to_cpu(*cell); - *sizep = fdt_size_to_cpu(cell[1]); - debug("%s: base=%08lx, size=%lx\n", __func__, (ulong)*basep, - (ulong)*sizep); - - return 0; -} - u64 fdtdec_get_number(const fdt32_t *ptr, unsigned int cells) { u64 number = 0; @@ -1002,67 +980,6 @@ int fdt_get_named_resource(const void *fdt, int node, const char *property, return fdt_get_resource(fdt, node, property, index, res); } -int fdtdec_decode_memory_region(const void *blob, int config_node, - const char *mem_type, const char *suffix, - fdt_addr_t *basep, fdt_size_t *sizep) -{ - char prop_name[50]; - const char *mem; - fdt_size_t size, offset_size; - fdt_addr_t base, offset; - int node; - - if (config_node == -1) { - config_node = fdt_path_offset(blob, "/config"); - if (config_node < 0) { - debug("%s: Cannot find /config node\n", __func__); - return -ENOENT; - } - } - if (!suffix) - suffix = ""; - - snprintf(prop_name, sizeof(prop_name), "%s-memory%s", mem_type, - suffix); - mem = fdt_getprop(blob, config_node, prop_name, NULL); - if (!mem) { - debug("%s: No memory type for '%s', using /memory\n", __func__, - prop_name); - mem = "/memory"; - } - - node = fdt_path_offset(blob, mem); - if (node < 0) { - debug("%s: Failed to find node '%s': %s\n", __func__, mem, - fdt_strerror(node)); - return -ENOENT; - } - - /* - * Not strictly correct - the memory may have multiple banks. We just - * use the first - */ - if (fdtdec_decode_region(blob, node, "reg", &base, &size)) { - debug("%s: Failed to decode memory region %s\n", __func__, - mem); - return -EINVAL; - } - - snprintf(prop_name, sizeof(prop_name), "%s-offset%s", mem_type, - suffix); - if (fdtdec_decode_region(blob, config_node, prop_name, &offset, - &offset_size)) { - debug("%s: Failed to decode memory region '%s'\n", __func__, - prop_name); - return -EINVAL; - } - - *basep = base + offset; - *sizep = offset_size; - - return 0; -} - static int decode_timing_property(const void *blob, int node, const char *name, struct timing_entry *result) { -- 2.25.1