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authorwdenk <wdenk>2002-11-05 00:17:55 +0000
committerwdenk <wdenk>2002-11-05 00:17:55 +0000
commit384ae02506f0673070a3516b1858f058a07f85f3 (patch)
treeb85a18328375b06df150d630d400eb16c75090f4 /board/csb226/csb226.c
parente95b61cfb0c7203964c1a3f163e16a65f04d87ec (diff)
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* Patch by Robert Schwebel, 04 Nov 2002:
- use watchdog to reset PXA250 systems - added progress callbacks to (some of the) ARM code - update for Cogent CSB226 board * Add support for FPS860 board
Diffstat (limited to 'board/csb226/csb226.c')
-rw-r--r--board/csb226/csb226.c81
1 files changed, 79 insertions, 2 deletions
diff --git a/board/csb226/csb226.c b/board/csb226/csb226.c
index 1ed4034..0d99aa8 100644
--- a/board/csb226/csb226.c
+++ b/board/csb226/csb226.c
@@ -24,14 +24,25 @@
*/
#include <common.h>
+#include <asm/arch/pxa-regs.h>
-/* ------------------------------------------------------------------------- */
-
+#ifdef CONFIG_SHOW_BOOT_PROGRESS
+# define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
+#else
+# define SHOW_BOOT_PROGRESS(arg)
+#endif
/*
* Miscelaneous platform dependent initialisations
*/
+
+/**
+ * board_init: - setup some data structures
+ *
+ * @return: 0 in case of success
+ */
+
int board_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
@@ -48,6 +59,13 @@ int board_init (void)
return 0;
}
+
+/**
+ * dram_init: - setup dynamic RAM
+ *
+ * @return: 0 in case of success
+ */
+
int dram_init (void)
{
DECLARE_GLOBAL_DATA_PTR;
@@ -57,3 +75,62 @@ int dram_init (void)
return 0;
}
+
+
+/**
+ * csb226_set_led: - switch LEDs on or off
+ *
+ * @param led: LED to switch (0,1,2)
+ * @param state: switch on (1) or off (0)
+ */
+
+void csb226_set_led(int led, int state)
+{
+ switch(led) {
+
+ case 0: if (state==1) {
+ GPCR0 |= CSB226_USER_LED0;
+ } else if (state==0) {
+ GPSR0 |= CSB226_USER_LED0;
+ }
+ break;
+
+ case 1: if (state==1) {
+ GPCR0 |= CSB226_USER_LED1;
+ } else if (state==0) {
+ GPSR0 |= CSB226_USER_LED1;
+ }
+ break;
+
+ case 2: if (state==1) {
+ GPCR0 |= CSB226_USER_LED2;
+ } else if (state==0) {
+ GPSR0 |= CSB226_USER_LED2;
+ }
+ break;
+ }
+
+ return;
+}
+
+
+/**
+ * show_boot_progress: - indicate state of the boot process
+ *
+ * @param status: Status number - see README for details.
+ *
+ * The CSB226 does only have 3 LEDs, so we switch them on at the most
+ * important states (1, 5, 15).
+ */
+
+void show_boot_progress (int status)
+{
+ switch(status) {
+ case 1: csb226_set_led(0,1); break;
+ case 5: csb226_set_led(1,1); break;
+ case 15: csb226_set_led(2,1); break;
+ }
+
+ return;
+}
+