doc: fix mistyped "env flags" command

[pandora-u-boot.git] / boot / bootmeth_efi.c

diff --git a/boot/bootmeth_efi.c b/boot/bootmeth_efi.c
index ae936c8..c4eb331 100644 (file)
--- a/boot/bootmeth_efi.c
+++ b/boot/bootmeth_efi.c
@@ -312,6 +312,7 @@ static int distro_efi_try_bootflow_files(struct udevice *dev,
                 */
        } else {
                log_debug("No device tree available\n");
+               bflow->flags |= BOOTFLOWF_USE_BUILTIN_FDT;
        }
 
        return 0;
@@ -322,7 +323,7 @@ static int distro_efi_read_bootflow_net(struct bootflow *bflow)
        char file_addr[17], fname[256];
        char *tftp_argv[] = {"tftp", file_addr, fname, NULL};
        struct cmd_tbl cmdtp = {};      /* dummy */
-       const char *addr_str, *fdt_addr_str;
+       const char *addr_str, *fdt_addr_str, *bootfile_name;
        int ret, arch, size;
        ulong addr, fdt_addr;
        char str[36];
@@ -338,7 +339,7 @@ static int distro_efi_read_bootflow_net(struct bootflow *bflow)
        ret = env_set("bootp_vci", str);
        if (ret)
                return log_msg_ret("vcs", ret);
-       ret = env_set_ulong("bootp_arch", arch);
+       ret = env_set_hex("bootp_arch", arch);
        if (ret)
                return log_msg_ret("ars", ret);
 
@@ -359,6 +360,12 @@ static int distro_efi_read_bootflow_net(struct bootflow *bflow)
                return log_msg_ret("sz", -EINVAL);
        bflow->size = size;
 
+    /* bootfile should be setup by dhcp*/
+       bootfile_name = env_get("bootfile");
+       if (!bootfile_name)
+               return log_msg_ret("bootfile_name", ret);
+       bflow->fname = strdup(bootfile_name);
+
        /* do the hideous EFI hack */
        efi_set_bootdev("Net", "", bflow->fname, map_sysmem(addr, 0),
                        bflow->size);
@@ -384,6 +391,7 @@ static int distro_efi_read_bootflow_net(struct bootflow *bflow)
                bflow->fdt_addr = fdt_addr;
        } else {
                log_debug("No device tree available\n");
+               bflow->flags |= BOOTFLOWF_USE_BUILTIN_FDT;
        }
 
        bflow->state = BOOTFLOWST_READY;
@@ -395,6 +403,12 @@ static int distro_efi_read_bootflow(struct udevice *dev, struct bootflow *bflow)
 {
        int ret;
 
+       /*
+        * bootmeth_efi doesn't allocate any buffer neither for blk nor net device
+        * set flag to avoid freeing static buffer.
+        */
+       bflow->flags |= BOOTFLOWF_STATIC_BUF;
+
        if (bootmeth_uses_network(bflow)) {
                /* we only support reading from one device, so ignore 'dev' */
                ret = distro_efi_read_bootflow_net(bflow);
@@ -412,7 +426,6 @@ static int distro_efi_read_bootflow(struct udevice *dev, struct bootflow *bflow)
 static int distro_efi_boot(struct udevice *dev, struct bootflow *bflow)
 {
        ulong kernel, fdt;
-       char cmd[50];
        int ret;
 
        kernel = env_get_hex("kernel_addr_r", 0);
@@ -422,13 +435,11 @@ static int distro_efi_boot(struct udevice *dev, struct bootflow *bflow)
                        return log_msg_ret("read", ret);
 
                /*
-                * use the provided device tree if available, else fall back to
-                * the control FDT
+                * use the provided device tree if not using the built-in fdt
                 */
-               if (bflow->fdt_fname)
+               if (bflow->flags & ~BOOTFLOWF_USE_BUILTIN_FDT)
                        fdt = bflow->fdt_addr;
-               else
-                       fdt = (ulong)map_to_sysmem(gd->fdt_blob);
+
        } else {
                /*
                 * This doesn't actually work for network devices:
@@ -441,13 +452,17 @@ static int distro_efi_boot(struct udevice *dev, struct bootflow *bflow)
                fdt = env_get_hex("fdt_addr_r", 0);
        }
 
-       /*
-        * At some point we can add a real interface to bootefi so we can call
-        * this directly. For now, go through the CLI, like distro boot.
-        */
-       snprintf(cmd, sizeof(cmd), "bootefi %lx %lx", kernel, fdt);
-       if (run_command(cmd, 0))
-               return log_msg_ret("run", -EINVAL);
+       if (bflow->flags & BOOTFLOWF_USE_BUILTIN_FDT) {
+               log_debug("Booting with built-in fdt\n");
+               if (efi_binary_run(map_sysmem(kernel, 0), bflow->size,
+                                  EFI_FDT_USE_INTERNAL))
+                       return log_msg_ret("run", -EINVAL);
+       } else {
+               log_debug("Booting with external fdt\n");
+               if (efi_binary_run(map_sysmem(kernel, 0), bflow->size,
+                                  map_sysmem(fdt, 0)))
+                       return log_msg_ret("run", -EINVAL);
+       }
 
        return 0;
 }