Merge branch 'master' of git://git.denx.de/u-boot-samsung

[platform/kernel/u-boot.git] / lib / fdtdec.c

diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 4defb90..91503b8 100644 (file)
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -12,6 +12,7 @@
 #include <fdt_support.h>
 #include <fdtdec.h>
 #include <asm/sections.h>
+#include <dm/of_extra.h>
 #include <linux/ctype.h>
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -66,6 +67,14 @@ static const char * const compat_names[COMPAT_COUNT] = {
        COMPAT(INTEL_BAYTRAIL_FSP_MDP, "intel,baytrail-fsp-mdp"),
        COMPAT(INTEL_IVYBRIDGE_FSP, "intel,ivybridge-fsp"),
        COMPAT(COMPAT_SUNXI_NAND, "allwinner,sun4i-a10-nand"),
+       COMPAT(ALTERA_SOCFPGA_CLK, "altr,clk-mgr"),
+       COMPAT(ALTERA_SOCFPGA_PINCTRL_SINGLE, "pinctrl-single"),
+       COMPAT(ALTERA_SOCFPGA_H2F_BRG, "altr,socfpga-hps2fpga-bridge"),
+       COMPAT(ALTERA_SOCFPGA_LWH2F_BRG, "altr,socfpga-lwhps2fpga-bridge"),
+       COMPAT(ALTERA_SOCFPGA_F2H_BRG, "altr,socfpga-fpga2hps-bridge"),
+       COMPAT(ALTERA_SOCFPGA_F2SDR0, "altr,socfpga-fpga2sdram0-bridge"),
+       COMPAT(ALTERA_SOCFPGA_F2SDR1, "altr,socfpga-fpga2sdram1-bridge"),
+       COMPAT(ALTERA_SOCFPGA_F2SDR2, "altr,socfpga-fpga2sdram2-bridge"),
 };
 
 const char *fdtdec_get_compatible(enum fdt_compat_id id)
@@ -112,7 +121,7 @@ fdt_addr_t fdtdec_get_addr_size_fixed(const void *blob, int node,
                return FDT_ADDR_T_NONE;
        }
 
-#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_OF_LIBFDT)
+#if CONFIG_IS_ENABLED(OF_TRANSLATE)
        if (translate)
                addr = fdt_translate_address(blob, node, prop_addr);
        else
@@ -836,7 +845,7 @@ int fdtdec_get_child_count(const void *blob, int node)
        int subnode;
        int num = 0;
 
-       fdt_for_each_subnode(blob, subnode, node)
+       fdt_for_each_subnode(subnode, blob, node)
                num++;
 
        return num;
@@ -932,38 +941,6 @@ int fdtdec_decode_region(const void *blob, int node, const char *prop_name,
        return 0;
 }
 
-/**
- * Read a flash entry from the fdt
- *
- * @param blob         FDT blob
- * @param node         Offset of node to read
- * @param name         Name of node being read
- * @param entry                Place to put offset and size of this node
- * @return 0 if ok, -ve on error
- */
-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)) {
-               debug("Node '%s' has bad/missing 'reg' property\n", name);
-               return -FDT_ERR_NOTFOUND;
-       }
-       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;
-}
-
 u64 fdtdec_get_number(const fdt32_t *ptr, unsigned int cells)
 {
        u64 number = 0;
@@ -1014,7 +991,7 @@ int fdt_get_named_resource(const void *fdt, int node, const char *property,
 {
        int index;
 
-       index = fdt_find_string(fdt, node, prop_names, name);
+       index = fdt_stringlist_search(fdt, node, prop_names, name);
        if (index < 0)
                return index;
 
@@ -1174,6 +1151,63 @@ int fdtdec_decode_display_timing(const void *blob, int parent, int index,
        return ret;
 }
 
+int fdtdec_setup_memory_size(void)
+{
+       int ret, mem;
+       struct fdt_resource res;
+
+       mem = fdt_path_offset(gd->fdt_blob, "/memory");
+       if (mem < 0) {
+               debug("%s: Missing /memory node\n", __func__);
+               return -EINVAL;
+       }
+
+       ret = fdt_get_resource(gd->fdt_blob, mem, "reg", 0, &res);
+       if (ret != 0) {
+               debug("%s: Unable to decode first memory bank\n", __func__);
+               return -EINVAL;
+       }
+
+       gd->ram_size = (phys_size_t)(res.end - res.start + 1);
+       debug("%s: Initial DRAM size %llx\n", __func__,
+             (unsigned long long)gd->ram_size);
+
+       return 0;
+}
+
+#if defined(CONFIG_NR_DRAM_BANKS)
+int fdtdec_setup_memory_banksize(void)
+{
+       int bank, ret, mem;
+       struct fdt_resource res;
+
+       mem = fdt_path_offset(gd->fdt_blob, "/memory");
+       if (mem < 0) {
+               debug("%s: Missing /memory node\n", __func__);
+               return -EINVAL;
+       }
+
+       for (bank = 0; bank < CONFIG_NR_DRAM_BANKS; bank++) {
+               ret = fdt_get_resource(gd->fdt_blob, mem, "reg", bank, &res);
+               if (ret == -FDT_ERR_NOTFOUND)
+                       break;
+               if (ret != 0)
+                       return -EINVAL;
+
+               gd->bd->bi_dram[bank].start = (phys_addr_t)res.start;
+               gd->bd->bi_dram[bank].size =
+                       (phys_size_t)(res.end - res.start + 1);
+
+               debug("%s: DRAM Bank #%d: start = 0x%llx, size = 0x%llx\n",
+                     __func__, bank,
+                     (unsigned long long)gd->bd->bi_dram[bank].start,
+                     (unsigned long long)gd->bd->bi_dram[bank].size);
+       }
+
+       return 0;
+}
+#endif
+
 int fdtdec_setup(void)
 {
 #if CONFIG_IS_ENABLED(OF_CONTROL)
@@ -1191,6 +1225,9 @@ int fdtdec_setup(void)
        /* FDT is at end of image */
        gd->fdt_blob = (ulong *)&_end;
 #  endif
+# elif defined(CONFIG_OF_BOARD)
+       /* Allow the board to override the fdt address. */
+       gd->fdt_blob = board_fdt_blob_setup();
 # elif defined(CONFIG_OF_HOSTFILE)
        if (sandbox_read_fdt_from_file()) {
                puts("Failed to read control FDT\n");