fdt: Enhance flashmap function to deal with region properties

[karo-tx-uboot.git] / lib / fdtdec.c

diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 4f66ae172fe1ec3a0db742f31fc44fb76ce1c8c6..4dbd6aee853b8b03ec157d7189882e4f664074e7 100644 (file)
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -72,6 +72,7 @@ static const char * const compat_names[COMPAT_COUNT] = {
        COMPAT(COMPAT_NXP_PTN3460, "nxp,ptn3460"),
        COMPAT(SAMSUNG_EXYNOS_SYSMMU, "samsung,sysmmu-v3.3"),
        COMPAT(PARADE_PS8625, "parade,ps8625"),
+       COMPAT(COMPAT_INTEL_LPC, "intel,lpc"),
 };
 
 const char *fdtdec_get_compatible(enum fdt_compat_id id)
@@ -668,20 +669,25 @@ 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, void **ptrp, size_t *size)
+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\n", __func__, prop_name);
+       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))
+       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);
 
-       *ptrp = map_sysmem(fdt_addr_to_cpu(*cell), *size);
-       *size = fdt_size_to_cpu(cell[1]);
-       debug("%s: size=%zx\n", __func__, *size);
        return 0;
 }
 
@@ -697,6 +703,7 @@ int fdtdec_decode_region(const void *blob, int node,
 int fdtdec_read_fmap_entry(const void *blob, int node, const char *name,
                           struct fmap_entry *entry)
 {
+       const char *prop;
        u32 reg[2];
 
        if (fdtdec_get_int_array(blob, node, "reg", reg, 2)) {
@@ -705,6 +712,13 @@ int fdtdec_read_fmap_entry(const void *blob, int node, const char *name,
        }
        entry->offset = reg[0];
        entry->length = reg[1];
+       entry->used = fdtdec_get_int(blob, node, "used", entry->length);
+       prop = fdt_getprop(blob, node, "compress", NULL);
+       entry->compress_algo = prop && !strcmp(prop, "lzo") ?
+               FMAP_COMPRESS_LZO : FMAP_COMPRESS_NONE;
+       prop = fdt_getprop(blob, node, "hash", &entry->hash_size);
+       entry->hash_algo = prop ? FMAP_HASH_SHA256 : FMAP_HASH_NONE;
+       entry->hash = (uint8_t *)prop;
 
        return 0;
 }