]> git.sur5r.net Git - u-boot/blobdiff - lib/fdtdec.c
efi_loader: output load options in helloworld
[u-boot] / lib / fdtdec.c
index 760732014dbe4959ad2ca2bce9b01e5bcdb6acce..30ec6b92b2701d97c4161718ed30461961233e0b 100644 (file)
@@ -5,15 +5,17 @@
 
 #ifndef USE_HOSTCC
 #include <common.h>
+#include <boot_fit.h>
 #include <dm.h>
+#include <dm/of_extra.h>
 #include <errno.h>
-#include <serial.h>
-#include <libfdt.h>
-#include <fdt_support.h>
 #include <fdtdec.h>
+#include <fdt_support.h>
+#include <libfdt.h>
+#include <serial.h>
 #include <asm/sections.h>
-#include <dm/of_extra.h>
 #include <linux/ctype.h>
+#include <linux/lzo.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -33,12 +35,6 @@ static const char * const compat_names[COMPAT_COUNT] = {
        COMPAT(NVIDIA_TEGRA20_EMC, "nvidia,tegra20-emc"),
        COMPAT(NVIDIA_TEGRA20_EMC_TABLE, "nvidia,tegra20-emc-table"),
        COMPAT(NVIDIA_TEGRA20_NAND, "nvidia,tegra20-nand"),
-       COMPAT(NVIDIA_TEGRA124_PMC, "nvidia,tegra124-pmc"),
-       COMPAT(NVIDIA_TEGRA186_SDMMC, "nvidia,tegra186-sdhci"),
-       COMPAT(NVIDIA_TEGRA210_SDMMC, "nvidia,tegra210-sdhci"),
-       COMPAT(NVIDIA_TEGRA124_SDMMC, "nvidia,tegra124-sdhci"),
-       COMPAT(NVIDIA_TEGRA30_SDMMC, "nvidia,tegra30-sdhci"),
-       COMPAT(NVIDIA_TEGRA20_SDMMC, "nvidia,tegra20-sdhci"),
        COMPAT(NVIDIA_TEGRA124_XUSB_PADCTL, "nvidia,tegra124-xusb-padctl"),
        COMPAT(NVIDIA_TEGRA210_XUSB_PADCTL, "nvidia,tegra210-xusb-padctl"),
        COMPAT(SMSC_LAN9215, "smsc,lan9215"),
@@ -75,6 +71,8 @@ static const char * const compat_names[COMPAT_COUNT] = {
        COMPAT(ALTERA_SOCFPGA_F2SDR0, "altr,socfpga-fpga2sdram0-bridge"),
        COMPAT(ALTERA_SOCFPGA_F2SDR1, "altr,socfpga-fpga2sdram1-bridge"),
        COMPAT(ALTERA_SOCFPGA_F2SDR2, "altr,socfpga-fpga2sdram2-bridge"),
+       COMPAT(ALTERA_SOCFPGA_FPGA0, "altr,socfpga-a10-fpga-mgr"),
+       COMPAT(ALTERA_SOCFPGA_NOC, "altr,socfpga-a10-noc"),
 };
 
 const char *fdtdec_get_compatible(enum fdt_compat_id id)
@@ -941,38 +939,6 @@ 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;
@@ -1201,7 +1167,8 @@ int fdtdec_setup_memory_size(void)
        }
 
        gd->ram_size = (phys_size_t)(res.end - res.start + 1);
-       debug("%s: Initial DRAM size %llx\n", __func__, (u64)gd->ram_size);
+       debug("%s: Initial DRAM size %llx\n", __func__,
+             (unsigned long long)gd->ram_size);
 
        return 0;
 }
@@ -1209,21 +1176,33 @@ int fdtdec_setup_memory_size(void)
 #if defined(CONFIG_NR_DRAM_BANKS)
 int fdtdec_setup_memory_banksize(void)
 {
-       int bank, ret, mem;
+       int bank, ret, mem, reg = 0;
        struct fdt_resource res;
 
-       mem = fdt_path_offset(gd->fdt_blob, "/memory");
+       mem = fdt_node_offset_by_prop_value(gd->fdt_blob, -1, "device_type",
+                                           "memory", 7);
        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)
+               ret = fdt_get_resource(gd->fdt_blob, mem, "reg", reg++, &res);
+               if (ret == -FDT_ERR_NOTFOUND) {
+                       reg = 0;
+                       mem = fdt_node_offset_by_prop_value(gd->fdt_blob, mem,
+                                                           "device_type",
+                                                           "memory", 7);
+                       if (mem == -FDT_ERR_NOTFOUND)
+                               break;
+
+                       ret = fdt_get_resource(gd->fdt_blob, mem, "reg", reg++, &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 =
@@ -1239,12 +1218,73 @@ int fdtdec_setup_memory_banksize(void)
 }
 #endif
 
+#if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
+# if CONFIG_IS_ENABLED(MULTI_DTB_FIT_GZIP) ||\
+       CONFIG_IS_ENABLED(MULTI_DTB_FIT_LZO)
+static int uncompress_blob(const void *src, ulong sz_src, void **dstp)
+{
+       size_t sz_out = CONFIG_SPL_MULTI_DTB_FIT_UNCOMPRESS_SZ;
+       ulong sz_in = sz_src;
+       void *dst;
+       int rc;
+
+       if (CONFIG_IS_ENABLED(GZIP))
+               if (gzip_parse_header(src, sz_in) < 0)
+                       return -1;
+       if (CONFIG_IS_ENABLED(LZO))
+               if (!lzop_is_valid_header(src))
+                       return -EBADMSG;
+
+       if (CONFIG_IS_ENABLED(MULTI_DTB_FIT_DYN_ALLOC)) {
+               dst = malloc(sz_out);
+               if (!dst) {
+                       puts("uncompress_blob: Unable to allocate memory\n");
+                       return -ENOMEM;
+               }
+       } else  {
+#  if CONFIG_IS_ENABLED(MULTI_DTB_FIT_USER_DEFINED_AREA)
+               dst = (void *)CONFIG_VAL(MULTI_DTB_FIT_USER_DEF_ADDR);
+#  else
+               return -ENOTSUPP;
+#  endif
+       }
+
+       if (CONFIG_IS_ENABLED(GZIP))
+               rc = gunzip(dst, sz_out, (u8 *)src, &sz_in);
+       else if (CONFIG_IS_ENABLED(LZO))
+               rc = lzop_decompress(src, sz_in, dst, &sz_out);
+
+       if (rc < 0) {
+               /* not a valid compressed blob */
+               puts("uncompress_blob: Unable to uncompress\n");
+               if (CONFIG_IS_ENABLED(MULTI_DTB_FIT_DYN_ALLOC))
+                       free(dst);
+               return -EBADMSG;
+       }
+       *dstp = dst;
+       return 0;
+}
+# else
+static int uncompress_blob(const void *src, ulong sz_src, void **dstp)
+{
+       return -ENOTSUPP;
+}
+# endif
+#endif
+
 int fdtdec_setup(void)
 {
 #if CONFIG_IS_ENABLED(OF_CONTROL)
+# if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
+       void *fdt_blob;
+# endif
 # ifdef CONFIG_OF_EMBED
        /* Get a pointer to the FDT */
+#  ifdef CONFIG_SPL_BUILD
+       gd->fdt_blob = __dtb_dt_spl_begin;
+#  else
        gd->fdt_blob = __dtb_dt_begin;
+#  endif
 # elif defined CONFIG_OF_SEPARATE
 #  ifdef CONFIG_SPL_BUILD
        /* FDT is at end of BSS unless it is in a different memory region */
@@ -1267,10 +1307,30 @@ int fdtdec_setup(void)
 # endif
 # ifndef CONFIG_SPL_BUILD
        /* Allow the early environment to override the fdt address */
-       gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
+       gd->fdt_blob = (void *)env_get_ulong("fdtcontroladdr", 16,
                                                (uintptr_t)gd->fdt_blob);
 # endif
+
+# if CONFIG_IS_ENABLED(MULTI_DTB_FIT)
+       /*
+        * Try and uncompress the blob.
+        * Unfortunately there is no way to know how big the input blob really
+        * is. So let us set the maximum input size arbitrarily high. 16MB
+        * ought to be more than enough for packed DTBs.
+        */
+       if (uncompress_blob(gd->fdt_blob, 0x1000000, &fdt_blob) == 0)
+               gd->fdt_blob = fdt_blob;
+
+       /*
+        * Check if blob is a FIT images containings DTBs.
+        * If so, pick the most relevant
+        */
+       fdt_blob = locate_dtb_in_fit(gd->fdt_blob);
+       if (fdt_blob)
+               gd->fdt_blob = fdt_blob;
+# endif
 #endif
+
        return fdtdec_prepare_fdt();
 }