*/
#include <common.h>
+#include <env.h>
#include <mapmem.h>
#include <stdio_dev.h>
#include <linux/ctype.h>
}
return 0;
}
+
+int fdt_set_usable_memory(void *blob, u64 start[], u64 size[], int areas)
+{
+ int err, nodeoffset;
+ int len;
+ u8 tmp[8 * 16]; /* Up to 64-bit address + 64-bit size */
+
+ if (areas > 8) {
+ printf("%s: num areas %d exceeds hardcoded limit %d\n",
+ __func__, areas, 8);
+ return -1;
+ }
+
+ err = fdt_check_header(blob);
+ if (err < 0) {
+ printf("%s: %s\n", __func__, fdt_strerror(err));
+ return err;
+ }
+
+ /* find or create "/memory" node. */
+ nodeoffset = fdt_find_or_add_subnode(blob, 0, "memory");
+ if (nodeoffset < 0)
+ return nodeoffset;
+
+ len = fdt_pack_reg(blob, tmp, start, size, areas);
+
+ err = fdt_setprop(blob, nodeoffset, "linux,usable-memory", tmp, len);
+ if (err < 0) {
+ printf("WARNING: could not set %s %s.\n",
+ "reg", fdt_strerror(err));
+ return err;
+ }
+
+ return 0;
+}
#endif
int fdt_fixup_memory(void *blob, u64 start, u64 size)
dma_range[0] = 0;
if (size >= 0x100000000ull)
- dma_range[0] |= FDT_PCI_MEM64;
+ dma_range[0] |= cpu_to_fdt32(FDT_PCI_MEM64);
else
- dma_range[0] |= FDT_PCI_MEM32;
+ dma_range[0] |= cpu_to_fdt32(FDT_PCI_MEM32);
if (hose->regions[r].flags & PCI_REGION_PREFETCH)
- dma_range[0] |= FDT_PCI_PREFETCH;
+ dma_range[0] |= cpu_to_fdt32(FDT_PCI_PREFETCH);
#ifdef CONFIG_SYS_PCI_64BIT
- dma_range[1] = bus_start >> 32;
+ dma_range[1] = cpu_to_fdt32(bus_start >> 32);
#else
dma_range[1] = 0;
#endif
- dma_range[2] = bus_start & 0xffffffff;
+ dma_range[2] = cpu_to_fdt32(bus_start & 0xffffffff);
if (addrcell == 2) {
- dma_range[3] = phys_start >> 32;
- dma_range[4] = phys_start & 0xffffffff;
+ dma_range[3] = cpu_to_fdt32(phys_start >> 32);
+ dma_range[4] = cpu_to_fdt32(phys_start & 0xffffffff);
} else {
- dma_range[3] = phys_start & 0xffffffff;
+ dma_range[3] = cpu_to_fdt32(phys_start & 0xffffffff);
}
if (sizecell == 2) {
- dma_range[3 + addrcell + 0] = size >> 32;
- dma_range[3 + addrcell + 1] = size & 0xffffffff;
+ dma_range[3 + addrcell + 0] =
+ cpu_to_fdt32(size >> 32);
+ dma_range[3 + addrcell + 1] =
+ cpu_to_fdt32(size & 0xffffffff);
} else {
- dma_range[3 + addrcell + 0] = size & 0xffffffff;
+ dma_range[3 + addrcell + 0] =
+ cpu_to_fdt32(size & 0xffffffff);
}
dma_range += (3 + addrcell + sizecell);
prop = fdt_getprop(fdt, node, "reg", &size);
- return prop ? fdt_translate_address(fdt, node, prop) : 0;
+ return prop ? fdt_translate_address(fdt, node, prop) : OF_BAD_ADDR;
}
/*
uint64_t *val, int cells)
{
const fdt32_t *prop32 = &prop[cell_off];
- const fdt64_t *prop64 = (const fdt64_t *)&prop[cell_off];
+ const unaligned_fdt64_t *prop64 = (const fdt64_t *)&prop[cell_off];
if ((cell_off + cells) > prop_len)
return -FDT_ERR_NOSPACE;