* Patch by Robert Schwebel, 04 Nov 2002:

[karo-tx-uboot.git] / board / csb226 / csb226.c

diff --git a/board/csb226/csb226.c b/board/csb226/csb226.c
index 1ed403464c9805488bceaeec8945b385223b88f2..0d99aa85b65a53ba55928a0dbff20c9d51d3c810 100644 (file)
--- 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;
+}
+