Various Nano2g changes - enable the rest of crt0.S (including clock setup) and make the nano2g bootloader do something useful (displaying gpio ports). Also add checks for the fifo-full condition in the LCD driver - required after enabling all the crt0.S inits

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21948 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 42 insertions, 3 deletions

diff --git a/bootloader/ipodnano2g.c b/bootloader/ipodnano2g.c
index e8e8e2e..f6bfe14 100644
--- a/bootloader/ipodnano2g.c
+++ b/bootloader/ipodnano2g.c
@@ -30,6 +30,7 @@
 #include "cpu.h"
 #include "system.h"
 #include "lcd.h"
+#include "i2c-s5l8700.h"
 #include "kernel.h"
 #include "thread.h"
 #include "storage.h"
@@ -49,13 +50,51 @@ char version[] = APPSVERSION;
 /* Show the Rockbox logo - in show_logo.c */
 extern int show_logo(void);
 
+extern int line;
+
 void main(void)
 {
+    int i;
+
+    system_init();
+    i2c_init();
+    kernel_init();
+
+    enable_irq();
+
     lcd_init();
 
-    show_logo();
+    _backlight_init();
+
+    lcd_puts_scroll(0,0,"+++ this is a very very long line to test scrolling. ---");
+    verbose = 0;
+    i = 0;
+    while (!button_hold()) {
+        line = 1;
 
-    /* Do nothing... */
+        printf("i=%d",i++);
+        printf("TBCNT:   %08x",TBCNT);
+        printf("GPIO  0: %08x",PDAT0);
+        printf("GPIO  1: %08x",PDAT1);
+        printf("GPIO  2: %08x",PDAT2);
+        printf("GPIO  3: %08x",PDAT3);
+        printf("GPIO  4: %08x",PDAT4);
+        printf("GPIO  5: %08x",PDAT5);
+        printf("GPIO  6: %08x",PDAT6);
+        printf("GPIO  7: %08x",PDAT7);
+        printf("GPIO 10: %08x",PDAT10);
+        printf("GPIO 11: %08x",PDAT11);
+        printf("GPIO 13: %08x",PDAT13);
+        printf("GPIO 14: %08x",PDAT14);
+
+        lcd_update();
+    }
+
+    disable_irq();
+
+    /* Branch back to iBugger entry point */
+    asm volatile("ldr pc, =0x08640568");
+
+    /* We never reach here */
     while(1);
 }
-