Add support for Freescale M5271: Merge with /work/u-boot.mcf5271

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

diff --git a/board/csb226/csb226.c b/board/csb226/csb226.c
index 1335fd77bf11d40992f1378c284dd5b233704b9e..80caf8b464e17e5bda816760a9248a799845454b 100644 (file)
--- a/board/csb226/csb226.c
+++ b/board/csb226/csb226.c
@@ -24,23 +24,54 @@
  */
 
 #include <common.h>
+#include <asm/arch/pxa-regs.h>
 
-/* ------------------------------------------------------------------------- */
+DECLARE_GLOBAL_DATA_PTR;
 
+#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
+/**
+ * misc_init_r: - misc initialisation routines
  */
 
-int board_init (void)
+int misc_init_r(void)
 {
-       DECLARE_GLOBAL_DATA_PTR;
+#if 0
+       uchar *str;
+
+       /* determine if the software update key is pressed during startup */
+       /* not ported yet... */
+       if (GPLR0 & 0x00000800) {
+               printf("using bootcmd_normal (sw-update button not pressed)\n");
+               str = getenv("bootcmd_normal");
+       } else {
+               printf("using bootcmd_update (sw-update button pressed)\n");
+               str = getenv("bootcmd_update");
+       }
+
+       setenv("bootcmd",str);
+#endif
+       return 0;
+}
+
+
+/**
+ * board_init: - setup some data structures
+ *
+ * @return: 0 in case of success
+ */
 
+int board_init (void)
+{
        /* memory and cpu-speed are setup before relocation */
        /* so we do _nothing_ here */
 
        /* arch number of CSB226 board */
-       gd->bd->bi_arch_number = 0;             /* FIXME */
+       gd->bd->bi_arch_number = MACH_TYPE_CSB226;
 
        /* adress of boot parameters */
        gd->bd->bi_boot_params = 0xa0000100;
@@ -48,12 +79,75 @@ 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;
-
        gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
        gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
 
        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;
+}