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More ATA work (that doesn't work)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14848 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Karl Kurbjun 2007-09-25 01:44:57 +00:00
parent 7255bdbb6a
commit 968ba0a277
4 changed files with 30 additions and 28 deletions
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6
bootloader/mrobe500.c
View file

@ -99,7 +99,7 @@ void main(void)
reset_screen(); reset_screen();
lcd_update(); lcd_update();
} }
#if 0
int button=0, *address=0x0, count=0; int button=0, *address=0x0, count=0;
while(true) while(true)
{ {
@ -118,7 +118,7 @@ void main(void)
else if (button==BUTTON_RC_REW) else if (button==BUTTON_RC_REW)
address-=0x1000; address-=0x1000;
// if ((inw(IO_GIO_BITSET0)&(1<<14)) == 0) // if ((IO_GIO_BITSET0&(1<<14) == 0)
{ {
short x,y,z1,z2, reg; short x,y,z1,z2, reg;
tsc2100_read_values(&x, &y, &z1, &z2); tsc2100_read_values(&x, &y, &z1, &z2);
@ -132,7 +132,7 @@ void main(void)
line -= 6; line -= 6;
} }
} }
#endif
printf("ATA"); printf("ATA");
rc = ata_init(); rc = ata_init();
if(rc) if(rc)

17
firmware/target/arm/olympus/mrobe-500/ata-mr500.c
View file

@ -29,12 +29,12 @@
#include "backlight-target.h" #include "backlight-target.h"
/* ARESET on C7C68300 and RESET on ATA interface (Active Low) */ /* ARESET on C7C68300 and RESET on ATA interface (Active Low) */
#define ATA_RESET_ENABLE return #define ATA_RESET_ENABLE (IO_GIO_BITCLR0 = 1 << 10)
#define ATA_RESET_DISABLE return #define ATA_RESET_DISABLE (IO_GIO_BITSET0 = 1 << 10)
/* ATA_EN on C7C68300 */ /* ATA_EN on C7C68300 */
#define USB_ATA_ENABLE return #define USB_ATA_ENABLE (IO_GIO_BITSET0 = 1 << 2)
#define USB_ATA_DISABLE return #define USB_ATA_DISABLE (IO_GIO_BITCLR0 = 1 << 2)
void ata_reset(void) void ata_reset(void)
{ {
@ -55,20 +55,17 @@ void ata_enable(bool on)
bool ata_is_coldstart(void) bool ata_is_coldstart(void)
{ {
return false; return true;
} }
void ata_device_init(void) void ata_device_init(void)
{ {
/* ATA reset */ /* ATA reset */
ATA_RESET_DISABLE; /* Set the pin to disable an active low reset */ ATA_RESET_DISABLE; /* Set the pin to disable an active low reset */
IO_GIO_DIR0&=~(1<<10);
/* set GIO17 (ATA power) on and output */
IO_GIO_BITCLR1=(1<<1);
IO_GIO_DIR1&=~(1<<1);
} }
#if !defined(BOOTLOADER) #if 0
void copy_read_sectors(unsigned char* buf, int wordcount) void copy_read_sectors(unsigned char* buf, int wordcount)
{ {
__buttonlight_trigger(); __buttonlight_trigger();

23
firmware/target/arm/olympus/mrobe-500/ata-target.h
View file

@ -16,7 +16,7 @@
* KIND, either express or implied. * KIND, either express or implied.
* *
****************************************************************************/ ****************************************************************************/
#ifndef ATA_TARGET_H #ifndef ATA_TARGET_H
#define ATA_TARGET_H #define ATA_TARGET_H
@ -29,15 +29,18 @@
#endif #endif
#define ATA_IOBASE 0x50000000 #define ATA_IOBASE 0x50000000
#define ATA_DATA (*((volatile unsigned short*)(ATA_IOBASE+0xa0))) #define REGISTER_OFFSET 0x00400000 /* A21 = High */
#define ATA_ERROR (*((volatile unsigned char*)(ATA_IOBASE + 0xa2))) #define CONTROL_OFFSET 0x00800000 /* A22 = High */
#define ATA_NSECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0x24))) #define IDE_SHIFT 17
#define ATA_SECTOR (*((volatile unsigned char*)(ATA_IOBASE + 0x26))) #define ATA_DATA (*((volatile unsigned short*)(REGISTER_OFFSET + (0x00 << IDE_SHIFT))))
#define ATA_LCYL (*((volatile unsigned char*)(ATA_IOBASE + 0x28))) #define ATA_ERROR (*((volatile unsigned char*)(REGISTER_OFFSET + (0x01 << IDE_SHIFT))))
#define ATA_HCYL (*((volatile unsigned char*)(ATA_IOBASE + 0x2A))) #define ATA_NSECTOR (*((volatile unsigned char*)(REGISTER_OFFSET + (0x02 << IDE_SHIFT))))
#define ATA_SELECT (*((volatile unsigned char*)(ATA_IOBASE + 0x2C))) #define ATA_SECTOR (*((volatile unsigned char*)(REGISTER_OFFSET + (0x03 << IDE_SHIFT))))
#define ATA_COMMAND (*((volatile unsigned char*)(ATA_IOBASE + 0x2E))) #define ATA_LCYL (*((volatile unsigned char*)(REGISTER_OFFSET + (0x04 << IDE_SHIFT))))
#define ATA_CONTROL (*((volatile unsigned char*)(ATA_IOBASE + 0x9C))) #define ATA_HCYL (*((volatile unsigned char*)(REGISTER_OFFSET + (0x05 << IDE_SHIFT))))
#define ATA_SELECT (*((volatile unsigned char*)(REGISTER_OFFSET + (0x06 << IDE_SHIFT))))
#define ATA_COMMAND (*((volatile unsigned char*)(REGISTER_OFFSET + (0x07 << IDE_SHIFT))))
#define ATA_CONTROL (*((volatile unsigned char*)(CONTROL_OFFSET + (0x06 << IDE_SHIFT))))
#define STATUS_BSY 0x80 #define STATUS_BSY 0x80
#define STATUS_RDY 0x40 #define STATUS_RDY 0x40

12
firmware/target/arm/olympus/mrobe-500/power-mr500.c
View file

@ -32,7 +32,9 @@
void power_init(void) void power_init(void)
{ {
/* Initialize IDE power pin */ /* Initialize IDE power pin */
/* set GIO17 (ATA power) on and output */
ide_power_enable(true); ide_power_enable(true);
IO_GIO_DIR1&=~(1<<1);
/* Charger detect */ /* Charger detect */
} }
@ -49,14 +51,14 @@ bool charging_state(void) {
void ide_power_enable(bool on) void ide_power_enable(bool on)
{ {
if (on) if (on)
return; IO_GIO_BITCLR1=(1<<1);
else else
return; IO_GIO_BITSET1=(1<<1);
} }
bool ide_powered(void) bool ide_powered(void)
{ {
return true; return !(IO_GIO_BITSET1&(1<<1));
} }
void power_off(void) void power_off(void)
@ -64,8 +66,8 @@ void power_off(void)
/* turn off backlight and wait for 1 second */ /* turn off backlight and wait for 1 second */
__backlight_off(); __backlight_off();
sleep(HZ); sleep(HZ);
/* set SLEEP bit to on in CLKCON to turn off */ /* Hard shutdown */
// CLKCON |=(1<<3); IO_GIO_BITSET1|=1<<10;
} }
#else /* SIMULATOR */ #else /* SIMULATOR */