X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fboard_f.c;h=81edbdf8e45b5899cab64d798d4c9f510afa3809;hb=0ac6db263132113f2ada36628a04e73d3dc2949a;hp=204505519a8d5412c0a64858876a581a7b072231;hpb=a733b06b69d2cb058c4363952bc0793b1f514305;p=u-boot

diff --git a/common/board_f.c b/common/board_f.c
index 204505519a..81edbdf8e4 100644
--- a/common/board_f.c
+++ b/common/board_f.c
@@ -31,6 +31,7 @@
 #include <version.h>
 #include <environment.h>
 #include <fdtdec.h>
+#include <fs.h>
 #if defined(CONFIG_CMD_IDE)
 #include <ide.h>
 #endif
@@ -305,6 +306,55 @@ __weak int arch_cpu_init(void)
 	return 0;
 }
 
+#ifdef CONFIG_OF_HOSTFILE
+
+#define CHECK(x)		err = (x); if (err) goto failed;
+
+/* Create an empty device tree blob */
+static int make_empty_fdt(void *fdt)
+{
+	int err;
+
+	CHECK(fdt_create(fdt, 256));
+	CHECK(fdt_finish_reservemap(fdt));
+	CHECK(fdt_begin_node(fdt, ""));
+	CHECK(fdt_end_node(fdt));
+	CHECK(fdt_finish(fdt));
+
+	return 0;
+failed:
+	printf("Unable to create empty FDT: %s\n", fdt_strerror(err));
+	return -EACCES;
+}
+
+static int read_fdt_from_file(void)
+{
+	struct sandbox_state *state = state_get_current();
+	void *blob;
+	int size;
+	int err;
+
+	blob = map_sysmem(CONFIG_SYS_FDT_LOAD_ADDR, 0);
+	if (!state->fdt_fname) {
+		err = make_empty_fdt(blob);
+		if (!err)
+			goto done;
+		return err;
+	}
+	err = fs_set_blk_dev("host", NULL, FS_TYPE_SANDBOX);
+	if (err)
+		return err;
+	size = fs_read(state->fdt_fname, CONFIG_SYS_FDT_LOAD_ADDR, 0, 0);
+	if (size < 0)
+		return -EIO;
+
+done:
+	gd->fdt_blob = blob;
+
+	return 0;
+}
+#endif
+
 #ifdef CONFIG_SANDBOX
 static int setup_ram_buf(void)
 {
@@ -328,6 +378,11 @@ static int setup_fdt(void)
 # else
 	gd->fdt_blob = (ulong *)&_end;
 # endif
+#elif defined(CONFIG_OF_HOSTFILE)
+	if (read_fdt_from_file()) {
+		puts("Failed to read control FDT\n");
+		return -1;
+	}
 #endif
 	/* Allow the early environment to override the fdt address */
 	gd->fdt_blob = (void *)getenv_ulong("fdtcontroladdr", 16,
@@ -612,27 +667,6 @@ static int setup_board_part1(void)
 #if defined(CONFIG_MPC83xx)
 	bd->bi_immrbar = CONFIG_SYS_IMMR;
 #endif
-#if defined(CONFIG_MPC8220)
-	bd->bi_mbar_base = CONFIG_SYS_MBAR;	/* base of internal registers */
-	bd->bi_inpfreq = gd->arch.inp_clk;
-	bd->bi_pcifreq = gd->pci_clk;
-	bd->bi_vcofreq = gd->arch.vco_clk;
-	bd->bi_pevfreq = gd->arch.pev_clk;
-	bd->bi_flbfreq = gd->arch.flb_clk;
-
-	/* store bootparam to sram (backward compatible), here? */
-	{
-		u32 *sram = (u32 *) CONFIG_SYS_SRAM_BASE;
-
-		*sram++ = gd->ram_size;
-		*sram++ = gd->bus_clk;
-		*sram++ = gd->arch.inp_clk;
-		*sram++ = gd->cpu_clk;
-		*sram++ = gd->arch.vco_clk;
-		*sram++ = gd->arch.flb_clk;
-		*sram++ = 0xb8c3ba11;	/* boot signature */
-	}
-#endif
 
 	return 0;
 }
@@ -866,9 +900,6 @@ static init_fnc_t init_sequence_f[] = {
 #if defined(CONFIG_MPC5xxx)
 	prt_mpc5xxx_clks,
 #endif /* CONFIG_MPC5xxx */
-#if defined(CONFIG_MPC8220)
-	prt_mpc8220_clks,
-#endif
 #if defined(CONFIG_DISPLAY_BOARDINFO)
 	checkboard,		/* display board info */
 #endif
@@ -1032,13 +1063,3 @@ void board_init_f_r(void)
 	hang();
 }
 #endif /* CONFIG_X86 */
-
-void hang(void)
-{
-	puts("### ERROR ### Please RESET the board ###\n");
-#ifdef CONFIG_SANDBOX
-	os_exit(0);
-#else
-	for (;;);
-#endif
-}