samsung/exynos5250: unify code

It turns out that the exynos5-common code previously imported from
u-boot is not common code at all but very specific to the 5250 and
not compatible with the 5450. Hence, unify the directories exynos5250
and exynos5-common. We will try to factor out common code while
progressing with the 5450 port.

Change-Id: Iab595e66fcd01eda8365c96fb8bef896f7602f03
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Reviewed-on: http://review.coreboot.org/3641
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 64 insertions, 0 deletions

diff --git a/src/cpu/samsung/exynos5250/cpu_info.c b/src/cpu/samsung/exynos5250/cpu_info.c
new file mode 100644
index 0000000000..498ed85a13
--- /dev/null
+++ b/src/cpu/samsung/exynos5250/cpu_info.c
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang@samsung.com>
+ *
+ * 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 <console/console.h>
+#include <common.h>
+#include <arch/io.h>
+
+#include <cpu/samsung/exynos5250/clk.h>
+#include <cpu/samsung/exynos5250/clock.h>
+#include <cpu/samsung/exynos5250/cpu.h>
+#include <cpu/samsung/exynos5250/dmc.h>
+
+/* FIXME(dhendrix): consolidate samsung ID code/#defines to a common location */
+#include <cpu/samsung/exynos5250/setup.h>	/* cpu_info_init() prototype */
+
+static unsigned int s5p_cpu_id;
+static unsigned int s5p_cpu_rev;
+
+static void s5p_set_cpu_id(void)
+{
+	s5p_cpu_id = readl((void *)EXYNOS_PRO_ID);
+	s5p_cpu_id = (0xC000 | ((s5p_cpu_id & 0x00FFF000) >> 12));
+
+	/*
+	 * 0xC200: EXYNOS4210 EVT0
+	 * 0xC210: EXYNOS4210 EVT1
+	 */
+	if (s5p_cpu_id == 0xC200) {
+		s5p_cpu_id |= 0x10;
+		s5p_cpu_rev = 0;
+	} else if (s5p_cpu_id == 0xC210) {
+		s5p_cpu_rev = 1;
+	}
+}
+
+int arch_cpu_init(void)
+{
+	s5p_set_cpu_id();
+
+	printk(BIOS_INFO, "CPU:   S5P%X @ %ldMHz\n",
+			s5p_cpu_id, get_arm_clk() / (1024*1024));
+
+	return 0;
+}