*/
#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)
uint64_t addr, size;
int total, ret;
uint actualsize;
+ int fdt_memrsv = 0;
if (!blob)
return 0;
fdt_get_mem_rsv(blob, i, &addr, &size);
if (addr == (uintptr_t)blob) {
fdt_del_mem_rsv(blob, i);
+ fdt_memrsv = 1;
break;
}
}
/* Change the fdt header to reflect the correct size */
fdt_set_totalsize(blob, actualsize);
- /* Add the new reservation */
- ret = fdt_add_mem_rsv(blob, map_to_sysmem(blob), actualsize);
- if (ret < 0)
- return ret;
+ if (fdt_memrsv) {
+ /* Add the new reservation */
+ ret = fdt_add_mem_rsv(blob, map_to_sysmem(blob), actualsize);
+ if (ret < 0)
+ return ret;
+ }
return actualsize;
}
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);
#include <jffs2/load_kernel.h>
#include <mtd_node.h>
-struct reg_cell {
- unsigned int r0;
- unsigned int r1;
-};
-
static int fdt_del_subnodes(const void *blob, int parent_offset)
{
int off, ndepth;
{
struct list_head *pentry;
struct part_info *part;
- struct reg_cell cell;
int off, ndepth = 0;
int part_num, ret;
+ int sizecell;
char buf[64];
ret = fdt_del_partitions(blob, parent_offset);
if (ret < 0)
return ret;
+ /*
+ * Check if size/address is 1 or 2 cells.
+ * We assume #address-cells and #size-cells have same value.
+ */
+ sizecell = fdt_getprop_u32_default_node(blob, parent_offset,
+ 0, "#size-cells", 1);
+
/*
* Check if it is nand {}; subnode, adjust
* the offset in this case
goto err_prop;
}
- cell.r0 = cpu_to_fdt32(part->offset);
- cell.r1 = cpu_to_fdt32(part->size);
add_reg:
- ret = fdt_setprop(blob, newoff, "reg", &cell, sizeof(cell));
+ if (sizecell == 2) {
+ ret = fdt_setprop_u64(blob, newoff,
+ "reg", part->offset);
+ if (!ret)
+ ret = fdt_appendprop_u64(blob, newoff,
+ "reg", part->size);
+ } else {
+ ret = fdt_setprop_u32(blob, newoff,
+ "reg", part->offset);
+ if (!ret)
+ ret = fdt_appendprop_u32(blob, newoff,
+ "reg", part->size);
+ }
+
if (ret == -FDT_ERR_NOSPACE) {
ret = fdt_increase_size(blob, 512);
if (!ret)
return __of_translate_address(blob, node_offset, in_addr, "ranges");
}
+u64 fdt_translate_dma_address(const void *blob, int node_offset,
+ const fdt32_t *in_addr)
+{
+ return __of_translate_address(blob, node_offset, in_addr, "dma-ranges");
+}
+
/**
* fdt_node_offset_by_compat_reg: Find a node that matches compatiable and
* who's reg property matches a physical cpu address
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;