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Diffstat (limited to 'bootloader/main.c')
-rw-r--r--bootloader/main.c44
1 files changed, 9 insertions, 35 deletions
diff --git a/bootloader/main.c b/bootloader/main.c
index 7fa60f961a..31324b50fe 100644
--- a/bootloader/main.c
+++ b/bootloader/main.c
@@ -26,6 +26,7 @@
26#include "kernel.h" 26#include "kernel.h"
27#include "thread.h" 27#include "thread.h"
28#include "ata.h" 28#include "ata.h"
29#include "usb.h"
29#include "disk.h" 30#include "disk.h"
30#include "font.h" 31#include "font.h"
31#include "adc.h" 32#include "adc.h"
@@ -47,32 +48,6 @@ int usb_screen(void)
47 48
48char version[] = APPSVERSION; 49char version[] = APPSVERSION;
49 50
50static void usb_enable(bool on)
51{
52 and_l(~0x01000000, &GPIO_OUT); /* GPIO24 is the Cypress chip power */
53 or_l(0x01000000, &GPIO_ENABLE);
54 or_l(0x01000000, &GPIO_FUNCTION);
55
56 or_l(0x00000080, &GPIO1_FUNCTION); /* GPIO39 is the USB detect input */
57
58 if(on)
59 {
60 /* Power on the Cypress chip */
61 or_l(0x01000000, &GPIO_OUT);
62 sleep(2);
63 }
64 else
65 {
66 /* Power off the Cypress chip */
67 and_l(~0x01000000, &GPIO_OUT);
68 }
69}
70
71bool usb_detect(void)
72{
73 return (GPIO1_READ & 0x80)?true:false;
74}
75
76void start_iriver_fw(void) 51void start_iriver_fw(void)
77{ 52{
78 asm(" move.w #0x2700,%sr"); 53 asm(" move.w #0x2700,%sr");
@@ -285,6 +260,8 @@ void main(void)
285 power_off(); 260 power_off();
286 } 261 }
287 262
263 usb_init();
264
288 adc_battery = adc_read(ADC_BATTERY); 265 adc_battery = adc_read(ADC_BATTERY);
289 266
290 battery_voltage = (adc_battery * BATTERY_SCALE_FACTOR) / 10000; 267 battery_voltage = (adc_battery * BATTERY_SCALE_FACTOR) / 10000;
@@ -318,13 +295,17 @@ void main(void)
318 /* A hack to enter USB mode without using the USB thread */ 295 /* A hack to enter USB mode without using the USB thread */
319 if(usb_detect()) 296 if(usb_detect())
320 { 297 {
298 const char msg[] = "Bootloader USB mode";
299 int w, h;
300 font_getstringsize(msg, &w, &h, FONT_SYSFIXED);
321 lcd_clear_display(); 301 lcd_clear_display();
322 lcd_puts(0, 7, " Bootloader USB mode"); 302 lcd_putsxy((LCD_WIDTH-w)/2, (LCD_HEIGHT-h)/2, msg);
323 lcd_update(); 303 lcd_update();
324 304
325 ata_spin(); 305 ata_spin();
326 ata_enable(false); 306 ata_enable(false);
327 usb_enable(true); 307 usb_enable(true);
308 cpu_idle_mode(true);
328 while(usb_detect()) 309 while(usb_detect())
329 { 310 {
330 ata_spin(); /* Prevent the drive from spinning down */ 311 ata_spin(); /* Prevent the drive from spinning down */
@@ -334,6 +315,7 @@ void main(void)
334 or_l(0x00020000, &GPIO1_OUT); 315 or_l(0x00020000, &GPIO1_OUT);
335 } 316 }
336 317
318 cpu_idle_mode(false);
337 usb_enable(false); 319 usb_enable(false);
338 ata_init(); /* Reinitialize ATA and continue booting */ 320 ata_init(); /* Reinitialize ATA and continue booting */
339 321
@@ -385,14 +367,6 @@ void mpeg_stop(void)
385{ 367{
386} 368}
387 369
388void usb_acknowledge(void)
389{
390}
391
392void usb_wait_for_disconnect(void)
393{
394}
395
396void sys_poweroff(void) 370void sys_poweroff(void)
397{ 371{
398} 372}