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authorRajeshwari Shinde <rajeshwari.s@samsung.com>2012-07-03 20:02:52 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-09-01 14:58:22 +0200
commit9c46f0344e068c763724449dbde4415658d8d59d (patch)
tree4826f91d40053785be139db949ec05b329e5c856 /board
parent589c3971699395136a720b2d6952c836b8151a3f (diff)
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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>
Diffstat (limited to 'board')
-rw-r--r--board/samsung/smdk5250/Makefile1
-rw-r--r--board/samsung/smdk5250/smdk5250_spl.c68
2 files changed, 69 insertions, 0 deletions
diff --git a/board/samsung/smdk5250/Makefile b/board/samsung/smdk5250/Makefile
index 226db1f..3675fad 100644
--- 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
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;
+}