diff options
Diffstat (limited to 'common')
| -rw-r--r-- | common/bootm.c | 8 | ||||
| -rw-r--r-- | common/image-fdt.c | 53 |
2 files changed, 47 insertions, 14 deletions
diff --git a/common/bootm.c b/common/bootm.c index 80f304ce9f..a4618b6d2e 100644 --- a/common/bootm.c +++ b/common/bootm.c @@ -56,15 +56,11 @@ static void boot_start_lmb(bootm_headers_t *images) ulong mem_start; phys_size_t mem_size; - lmb_init(&images->lmb); - mem_start = env_get_bootm_low(); mem_size = env_get_bootm_size(); - lmb_add(&images->lmb, (phys_addr_t)mem_start, mem_size); - - arch_lmb_reserve(&images->lmb); - board_lmb_reserve(&images->lmb); + lmb_init_and_reserve(&images->lmb, (phys_addr_t)mem_start, mem_size, + NULL); } #else #define lmb_reserve(lmb, base, size) diff --git a/common/image-fdt.c b/common/image-fdt.c index 8ee5a13352..5988808f18 100644 --- a/common/image-fdt.c +++ b/common/image-fdt.c @@ -10,6 +10,7 @@ #include <common.h> #include <fdt_support.h> +#include <fdtdec.h> #include <errno.h> #include <image.h> #include <linux/libfdt.h> @@ -67,30 +68,66 @@ static const image_header_t *image_get_fdt(ulong fdt_addr) } #endif +static void boot_fdt_reserve_region(struct lmb *lmb, uint64_t addr, + uint64_t size) +{ + int ret; + + ret = lmb_reserve(lmb, addr, size); + if (!ret) { + debug(" reserving fdt memory region: addr=%llx size=%llx\n", + (unsigned long long)addr, (unsigned long long)size); + } else { + puts("ERROR: reserving fdt memory region failed "); + printf("(addr=%llx size=%llx)\n", + (unsigned long long)addr, (unsigned long long)size); + } +} + /** - * boot_fdt_add_mem_rsv_regions - Mark the memreserve sections as unusable + * boot_fdt_add_mem_rsv_regions - Mark the memreserve and reserved-memory + * sections as unusable * @lmb: pointer to lmb handle, will be used for memory mgmt * @fdt_blob: pointer to fdt blob base address * - * Adds the memreserve regions in the dtb to the lmb block. Adding the - * memreserve regions prevents u-boot from using them to store the initrd - * or the fdt blob. + * Adds the and reserved-memorymemreserve regions in the dtb to the lmb block. + * Adding the memreserve regions prevents u-boot from using them to store the + * initrd or the fdt blob. */ void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob) { uint64_t addr, size; - int i, total; + int i, total, ret; + int nodeoffset, subnode; + struct fdt_resource res; if (fdt_check_header(fdt_blob) != 0) return; + /* process memreserve sections */ total = fdt_num_mem_rsv(fdt_blob); for (i = 0; i < total; i++) { if (fdt_get_mem_rsv(fdt_blob, i, &addr, &size) != 0) continue; - printf(" reserving fdt memory region: addr=%llx size=%llx\n", - (unsigned long long)addr, (unsigned long long)size); - lmb_reserve(lmb, addr, size); + boot_fdt_reserve_region(lmb, addr, size); + } + + /* process reserved-memory */ + nodeoffset = fdt_subnode_offset(fdt_blob, 0, "reserved-memory"); + if (nodeoffset >= 0) { + subnode = fdt_first_subnode(fdt_blob, nodeoffset); + while (subnode >= 0) { + /* check if this subnode has a reg property */ + ret = fdt_get_resource(fdt_blob, subnode, "reg", 0, + &res); + if (!ret) { + addr = res.start; + size = res.end - res.start + 1; + boot_fdt_reserve_region(lmb, addr, size); + } + + subnode = fdt_next_subnode(fdt_blob, subnode); + } } } |