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https://github.com/Rockbox/rockbox.git
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Add in the needed crt0.S code for the wakeup alarm also
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19094 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun
parent
68c686957b
commit
d42041043b
12 changed files with 284 additions and 32 deletions
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@ -49,8 +49,8 @@ vectors:
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/* Add some strings to detect the bootloader in flash and give it a version
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* number. (0x040A0028, 0x040A002C)
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*/
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.string "ROCKBOX"
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.word 0x0001
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.string "ROCKBOX\0"
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.string "R 03.00\0"
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/*
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* Function: word_copy
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@ -99,6 +99,18 @@ start:
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cmp r0, #0xA0000
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bne poweron
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/* Did an RTC event wake the player up? */
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mov r2, #0x4A000000
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ldr r1, [r2]
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ands r1, r1, #0x40000000
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/* Woke up with the alarm - store a flag in GSTATUS3 */
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ldrne r2, =0x560000b8
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movne r1, #0x01
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strne r1, [r2]
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bne poweron
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/* Set GPG up to read power and menu status */
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ldr r2, =0x56000050
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ldr r1, [r2, #0x18]
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@ -32,7 +32,44 @@
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bool __dbg_hw_info(void)
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{
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return false;
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char buf[50];
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int line, button;
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char reg=0, value=0;
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lcd_clear_display();
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lcd_setfont(FONT_SYSFIXED);
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while(1)
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{
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line=0;
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snprintf(buf, sizeof(buf), "reg: %08x value: %08x", reg, value);
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lcd_puts(0, line++, buf);
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button = button_get_w_tmo(HZ/10);
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if (button == BUTTON_UP)
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reg++;
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if (button == BUTTON_DOWN)
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reg--;
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if (button == BUTTON_VOL_UP)
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value++;
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if (button == BUTTON_VOL_DOWN)
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value--;
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if (button == BUTTON_A)
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{
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// LCD_SPI_start();
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// LCD_SPI_setreg(reg, value);
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// LCD_SPI_stop();
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}
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lcd_update();
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if (button == (DEBUG_CANCEL|BUTTON_REL))
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return false;
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}
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}
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bool __dbg_ports(void)
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@ -244,7 +244,7 @@ static void LCD_SPI_init(void)
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/* LCD init */
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void lcd_init_device(void)
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{
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#ifdef BOOTLOADER
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#if 0//def BOOTLOADER
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int i;
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/* When the Rockbox bootloader starts, we are changing framebuffer address,
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but we don't want what's shown on the LCD to change until we do an
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@ -70,6 +70,11 @@ void power_off(void)
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_backlight_off();
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_buttonlight_off();
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sleep(HZ);
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/* Do this to allow the drive to properly reset when player restarts
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* immediately without running OF shutdown.
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*/
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GPGCON&=~0x00300000;
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/* Rockbox never properly shutdown the player. When the sleep bit is set
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* the player actually wakes up in some type of "zombie" state
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@ -81,6 +86,122 @@ void power_off(void)
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CLKCON |=(1<<3);
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reboot_point();
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#if 0
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GPBCON=0x00015450;
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GPBDAT=0x403;
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GPBUP=0x3FD;
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GPCCON =0xAAA054A8;
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GPCDAT =0x0000038C;
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GPCUP =0xFFFF;
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GPDCON =0xAAA0AAA5;
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GPDDAT =0x00000300;
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GPDUP =0xFCFF;
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GPECON =0xAA8002AA;
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GPEDAT =0x0000FFED;
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GPEUP =0x3817;
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GPFCON =0x00000a00;
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GPFDAT =0x000000F1;
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GPFUP =0x000000FF;
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GPGCON =0x01401002;
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GPGDAT =0x00000180;
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GPGUP =0x0000FF7F;
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GPHCON =0x001540A5;
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GPHDAT =0x000006FD;
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GPHUP =0x00000187;
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// mine
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INTMSK =0xFFFFFFFF;
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EINTMASK=0x0FFFFEF0;
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EXTINT0 =0xFFFFFECF;
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EXTINT1 =0x07;
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//
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// INTMSK=0xFFFFFFFF;
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// EINTMASK=0x00200000;
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// GPHDAT=0x00000004;
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// EXTINT0=~0x00000130;
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// INTMSK=(~0x00000130)+0x00000100;
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// GPGUP=0xFFFFFFFF;
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//mine
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INTMSK =0xFFFFFFDE;
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//
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SRCPND=0xFFFFFFFF;
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INTPND=0xFFFFFFFF;
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GSTATUS1=0x00000600;
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ADCCON=0x00000004;
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// MISCCR=MISCCR&(~0x703000)|0x603000;
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LCDCON1=0x00000000;
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LOCKTIME=0xFFFFFFFF;
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// REFRESH=REFRESH|0x00400000;
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// MISCCR=MISCCR|0x000E0000;
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// CLKCON=CLKCON|0x00004018;
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/*
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* This next piece of code was taken from the linux 2.6.17 sources:
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* linux/arch/arm/mach-s3c2410/sleep.S
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*
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* Copyright (c) 2004 Simtec Electronics
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* Ben Dooks <ben@simtec.co.uk>
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*
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* Based on PXA/SA1100 sleep code by:
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* Nicolas Pitre, (c) 2002 Monta Vista Software Inc
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* Cliff Brake, (c) 2001
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*/
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asm volatile
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(
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/* get REFRESH, MISCCR, and CLKCON (and ensure in TLB) */
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"ldr r4, =0x48000024 \n"
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"ldr r5, =0x56000080 \n"
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"ldr r6, =0x4C00000C \n"
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"ldr r7, [ r4 ] \n"
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"ldr r8, [ r5 ] \n"
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"ldr r9, [ r6 ] \n"
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/* Setup register writes */
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"ldr r2, =0x006E3000 \n"
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"ldr r3, =0x00004018 \n"
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"orr r7, r7, #0x00400000 \n" /* SDRAM sleep command */
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"orr r8, r8, r2 \n" /* SDRAM power-down signals */
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"orr r9, r9, r3 \n" /* power down command */
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/* first as a trial-run to load cache */
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"teq pc, #0 \n"
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"bl s3c2410_do_sleep \n"
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/* now do it for real */
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"teq r0, r0 \n"
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"b s3c2410_do_sleep \n"
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/* align next bit of code to cache line */
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".align 8 \n"
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"s3c2410_do_sleep: \n"
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"streq r7, [ r4 ] \n" /* SDRAM sleep command */
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"streq r8, [ r5 ] \n" /* SDRAM power-down config */
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"streq r3, [ r6 ] \n" /* CPU sleep */
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"1: \n"
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"beq 1b \n"
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"bx lr \n"
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);
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#endif
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}
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#else /* SIMULATOR */
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@ -113,9 +113,14 @@ void system_reboot(void)
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static void set_page_tables(void)
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{
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map_section(0, 0, 0x1000, CACHE_NONE); /* map every memory region to itself */
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map_section(0x30000000, 0, 32, CACHE_ALL); /* map RAM to 0 and enable caching for it */
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map_section((int)FRAME, (int)FRAME, 1, BUFFERED); /* enable buffered writing for the framebuffer */
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/* map every memory region to itself */
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map_section(0, 0, 0x1000, CACHE_NONE);
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/* map RAM to 0 and enable caching for it */
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map_section(0x30000000, 0, 32, CACHE_ALL);
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/* enable buffered writing for the framebuffer */
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map_section((int)FRAME, (int)FRAME, 1, BUFFERED);
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}
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void memory_init(void) {
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@ -145,7 +150,7 @@ void s3c_regclr(volatile int *reg, unsigned int mask)
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void system_init(void)
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{
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INTMSK = 0xFFFFFFFF;
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INTMOD = 0;
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INTMOD = 0;
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SRCPND = 0xFFFFFFFF;
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INTPND = 0xFFFFFFFF;
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INTSUBMSK = 0xFFFFFFFF;
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