SMDK5250: SPL: Define parametric board initializer

Define table-driven configuration mechanism for SMDK5250
rather than hard-coding board initialization parameters.

Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Tom Wai-Hong Tam <waihong@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

diff --git a/board/samsung/smdk5250/Makefile b/board/samsung/smdk5250/Makefile
index 226db1f1f19fdd938542fbe7f707266c1c891f26..3675fadd5ae81ef3184aadba521ba90f9033e15f 100644 (file)
--- a/board/samsung/smdk5250/Makefile
+++ b/board/samsung/smdk5250/Makefile
@@ -29,6 +29,7 @@ SOBJS := lowlevel_init.o
 COBJS  := clock_init.o
 COBJS  += dmc_init.o
 COBJS  += tzpc_init.o
+COBJS  += smdk5250_spl.o
 
 ifndef CONFIG_SPL_BUILD
 COBJS  += smdk5250.o

diff --git a/board/samsung/smdk5250/smdk5250_spl.c b/board/samsung/smdk5250/smdk5250_spl.c
new file mode 100644 (file)
index 0000000..1d453ca
--- /dev/null
+++ b/board/samsung/smdk5250/smdk5250_spl.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2012 The Chromium OS Authors.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/spl.h>
+#include <asm/arch/clk.h>
+
+#define SIGNATURE      0xdeadbeef
+
+/* Parameters of early board initialization in SPL */
+static struct spl_machine_param machine_param
+               __attribute__((section(".machine_param"))) = {
+       .signature      = SIGNATURE,
+       .version        = 1,
+       .params         = "vmubfasirM",
+       .size           = sizeof(machine_param),
+
+       .mem_iv_size    = 0x1f,
+       .mem_type       = DDR_MODE_DDR3,
+
+       /*
+        * Set uboot_size to 0x100000 bytes.
+        *
+        * This is an overly conservative value chosen to accommodate all
+        * possible U-Boot image.  You are advised to set this value to a
+        * smaller realistic size via scripts that modifies the .machine_param
+        * section of output U-Boot image.
+        */
+       .uboot_size     = 0x100000,
+
+       .boot_source    = BOOT_MODE_OM,
+       .frequency_mhz  = 800,
+       .arm_freq_mhz   = 1700,
+       .serial_base    = 0x12c30000,
+       .i2c_base       = 0x12c60000,
+       .mem_manuf      = MEM_MANUF_SAMSUNG,
+};
+
+struct spl_machine_param *spl_get_machine_params(void)
+{
+       if (machine_param.signature != SIGNATURE) {
+               /* Will hang if SIGNATURE dont match */
+               while (1)
+                       ;
+       }
+
+       return &machine_param;
+}