summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/kernel/setup_32.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/kernel/setup_32.c')
-rw-r--r--arch/powerpc/kernel/setup_32.c34
1 files changed, 22 insertions, 12 deletions
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index e5694335bf10..e5d285adb496 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -39,6 +39,8 @@
#include <asm/nvram.h>
#include <asm/xmon.h>
#include <asm/time.h>
+#include <asm/serial.h>
+#include <asm/udbg.h>
#include "setup.h"
@@ -172,12 +174,23 @@ void __init platform_init(void)
*/
void __init machine_init(unsigned long dt_ptr, unsigned long phys)
{
+ /* If btext is enabled, we might have a BAT setup for early display,
+ * thus we do enable some very basic udbg output
+ */
+#ifdef CONFIG_BOOTX_TEXT
+ udbg_putc = btext_drawchar;
+#endif
+
+ /* Do some early initialization based on the flat device tree */
early_init_devtree(__va(dt_ptr));
+ /* Check default command line */
#ifdef CONFIG_CMDLINE
- strlcpy(cmd_line, CONFIG_CMDLINE, sizeof(cmd_line));
+ if (cmd_line[0] == 0)
+ strlcpy(cmd_line, CONFIG_CMDLINE, sizeof(cmd_line));
#endif /* CONFIG_CMDLINE */
+ /* Base init based on machine type */
platform_init();
#ifdef CONFIG_6xx
@@ -282,25 +295,22 @@ void __init setup_arch(char **cmdline_p)
unflatten_device_tree();
check_for_initrd();
- finish_device_tree();
- smp_setup_cpu_maps();
+ if (ppc_md.init_early)
+ ppc_md.init_early();
-#ifdef CONFIG_BOOTX_TEXT
- init_boot_display();
+#ifdef CONFIG_SERIAL_8250
+ find_legacy_serial_ports();
#endif
+ finish_device_tree();
-#ifdef CONFIG_PPC_PMAC
- /* This could be called "early setup arch", it must be done
- * now because xmon need it
- */
- if (_machine == _MACH_Pmac)
- pmac_feature_init(); /* New cool way */
-#endif
+ smp_setup_cpu_maps();
#ifdef CONFIG_XMON_DEFAULT
xmon_init(1);
#endif
+ /* Register early console */
+ register_early_udbg_console();
#if defined(CONFIG_KGDB)
if (ppc_md.kgdb_map_scc)