Wield battle axe at ARM port

This patch unfortunately incorporates a number of changes,
all of which are making future ARM ports easier.

 - drop cruft that came in with u-boot
 - move serial console from mainboard Kconfig to Exynos Kconfig
 - factor out non-board specific wakeup code
 - move generic bootblock code from mainboard to Exynos
 - actually call arch_cpu_init()
 - remove dead code
 - fix up copyright messages
 - remove snow_ prefix from a lot of code to reduce the noise
   when creating a new mainboard based on that code.

Change-Id: Ic05326edf5a7e1a691c5ff841a604cb9e351b562
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Signed-off-by: Gabe Black <gabeblack@chromium.org>
Reviewed-on: http://review.coreboot.org/3640
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

1 files changed, 9 insertions, 71 deletions

diff --git a/src/cpu/samsung/exynos5-common/cpu_info.c b/src/cpu/samsung/exynos5-common/cpu_info.c
index 6b75473656..ca9454ef61 100644
--- a/src/cpu/samsung/exynos5-common/cpu_info.c
+++ b/src/cpu/samsung/exynos5-common/cpu_info.c
@@ -20,13 +20,9 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  * MA 02111-1307 USA
  */
+
+#include <console/console.h>
 #include <common.h>
-#if 0
-#include <asm/io.h>
-#include <asm/arch/clk.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/dmc.h>
-#endif
 #include <arch/io.h>
 
 #include <cpu/samsung/exynos5-common/clk.h>
@@ -39,31 +35,10 @@
 /* FIXME(dhendrix): consolidate samsung ID code/#defines to a common location */
 #include <cpu/samsung/exynos5250/setup.h>	/* cpu_info_init() prototype */
 
-/*
- * The following CPU infos are initialized in lowlevel_init(). They should be
- * put in the .data section. Otherwise, a compile will put them in the .bss
- * section since they don't have initial values. The relocation code which
- * runs after lowlevel_init() will reset them to zero.
- */
-unsigned int s5p_cpu_id __attribute__((section(".data")));
-unsigned int s5p_cpu_rev __attribute__((section(".data")));
-
-void cpu_info_init(void)
-{
-	s5p_set_cpu_id();
-}
-
-int s5p_get_cpu_id(void)
-{
-	return s5p_cpu_id;
-}
-
-int s5p_get_cpu_rev(void)
-{
-	return s5p_cpu_rev;
-}
+static unsigned int s5p_cpu_id;
+static unsigned int s5p_cpu_rev;
 
-void s5p_set_cpu_id(void)
+static void s5p_set_cpu_id(void)
 {
 	s5p_cpu_id = readl((void *)EXYNOS_PRO_ID);
 	s5p_cpu_id = (0xC000 | ((s5p_cpu_id & 0x00FFF000) >> 12));
@@ -80,49 +55,12 @@ void s5p_set_cpu_id(void)
 	}
 }
 
-#ifdef CONFIG_DISPLAY_CPUINFO
-int print_cpuinfo(void)
-{
-	char buf[32];
-
-	printf("CPU:   S5P%X @ %sMHz\n",
-			s5p_cpu_id, strmhz(buf, get_arm_clk()));
-
-	return 0;
-}
-#endif
-
-#if 0
-void board_show_dram(ulong size)
-{
-	enum ddr_mode mem_type;
-	unsigned frequency_mhz;
-	unsigned arm_freq;
-	enum mem_manuf mem_manuf;
-	char buf[32];
-	int ret;
-
-	/* Get settings from the fdt */
-	ret = clock_get_mem_selection(&mem_type, &frequency_mhz,
-				       &arm_freq, &mem_manuf);
-	if (ret)
-		panic("Invalid DRAM information");
-
-	puts("DRAM:  ");
-	print_size(size, " ");
-	printf("%s %s @ %sMHz",
-	       clock_get_mem_manuf_name(mem_manuf),
-	       clock_get_mem_type_name(mem_type),
-	       strmhz(buf, frequency_mhz));
-	putc('\n');
-}
-#endif
-
-#ifdef CONFIG_ARCH_CPU_INIT
 int arch_cpu_init(void)
 {
-	cpu_info_init();
+	s5p_set_cpu_id();
+
+	printk(BIOS_INFO, "CPU:   S5P%X @ %ldMHz\n",
+			s5p_cpu_id, get_arm_clk() / (1024*1024));
 
 	return 0;
 }
-#endif