diff options
author | Wolfgang Denk | 2010-09-23 21:16:32 +0200 |
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committer | Wolfgang Denk | 2010-09-23 21:16:32 +0200 |
commit | d03161b455125f0581918b25fabc5fde0268ae4e (patch) | |
tree | 67e61ba7679d82a64dbcb3d55344a31a22a7e6da /common | |
parent | 2675244fa4a0c2c3088af279d57dbe8457bacf77 (diff) | |
parent | 8a805df13615667ebdcc9f3a3a6fbf6c7778a992 (diff) |
Merge branch 'master' of git://git.denx.de/u-boot-ppc4xx
Diffstat (limited to 'common')
-rw-r--r-- | common/fdt_support.c | 51 |
1 files changed, 41 insertions, 10 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c index aef4fe23e05..6f32e3f68df 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -591,11 +591,30 @@ int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose) { #ifdef CONFIG_FDT_FIXUP_NOR_FLASH_SIZE /* + * Provide a weak default function to return the flash bank size. + * There might be multiple non-identical flash chips connected to one + * chip-select, so we need to pass an index as well. + */ +u32 __flash_get_bank_size(int cs, int idx) +{ + extern flash_info_t flash_info[]; + + /* + * As default, a simple 1:1 mapping is provided. Boards with + * a different mapping need to supply a board specific mapping + * routine. + */ + return flash_info[cs].size; +} +u32 flash_get_bank_size(int cs, int idx) + __attribute__((weak, alias("__flash_get_bank_size"))); + +/* * This function can be used to update the size in the "reg" property - * of the NOR FLASH device nodes. This is necessary for boards with + * of all NOR FLASH device nodes. This is necessary for boards with * non-fixed NOR FLASH sizes. */ -int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size) +int fdt_fixup_nor_flash_size(void *blob) { char compat[][16] = { "cfi-flash", "jedec-flash" }; int off; @@ -607,19 +626,31 @@ int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size) for (i = 0; i < 2; i++) { off = fdt_node_offset_by_compatible(blob, -1, compat[i]); while (off != -FDT_ERR_NOTFOUND) { + int idx; + /* - * Found one compatible node, now check if this one - * has the correct CS + * Found one compatible node, so fixup the size + * int its reg properties */ prop = fdt_get_property_w(blob, off, "reg", &len); if (prop) { + int tuple_size = 3 * sizeof(reg); + + /* + * There might be multiple reg-tuples, + * so loop through them all + */ + len /= tuple_size; reg = (u32 *)&prop->data[0]; - if (reg[0] == cs) { - reg[2] = size; + for (idx = 0; idx < len; idx++) { + /* + * Update size in reg property + */ + reg[2] = flash_get_bank_size(reg[0], + idx); fdt_setprop(blob, off, "reg", reg, - 3 * sizeof(u32)); - - return 0; + tuple_size); + reg += tuple_size; } } @@ -629,7 +660,7 @@ int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size) } } - return -1; + return 0; } #endif |