Nyaaori/rockbox
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

CPU boosting support for ipod nano and video. The rest of the targets

Browse source 
are either untested or do not work with the current code.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9070 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thom Johansen 2006-03-17 02:02:13 +00:00
parent 4ba14d9113
commit f6e856774c
5 changed files with 71 additions and 18 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
apps/debug_menu.c
View file

@ -1049,7 +1049,9 @@ bool dbg_ports(void)
lcd_puts(0, line++, buf);
snprintf(buf, sizeof(buf), "GPIO_D: %02x", gpio_d);
lcd_puts(0, line++, buf);
unsigned hehe = 0x12345678;
snprintf(buf, sizeof(buf), "%x %x", hehe, swap32(hehe));
lcd_puts(0, line++, buf);
lcd_update();
button = button_get_w_tmo(HZ/10);
@ -1183,16 +1185,24 @@ bool dbg_cpufreq(void)
switch(button)
{
#if (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD)
case BUTTON_MENU:
#else
case BUTTON_UP:
#endif
cpu_boost(true);
break;
#if (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD)
case BUTTON_PLAY:
#else
case BUTTON_DOWN:
#endif
cpu_boost(false);
break;
#if (CONFIG_KEYPAD == IRIVER_H100_PAD) || \
(CONFIG_KEYPAD == IRIVER_H300_PAD)
(CONFIG_KEYPAD == IRIVER_H300_PAD) || \
(CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD)
case BUTTON_SELECT:
#else
case BUTTON_PLAY:
@ -1200,9 +1210,13 @@ bool dbg_cpufreq(void)
set_cpu_frequency(CPUFREQ_DEFAULT);
boost_counter = 0;
break;
#if (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD)
case BUTTON_LEFT:
#else
case SETTINGS_CANCEL:
case SETTINGS_OK2:
#endif
return false;
}
}

4
firmware/export/config-ipodnano.h
View file

@ -73,7 +73,7 @@
#define ROM_START 0x00000000
/* Define this to the CPU frequency */
#define CPU_FREQ 11289600
#define CPU_FREQ 24000000
#define CONFIG_LCD LCD_IPODNANO
@ -95,7 +95,7 @@
#define CONFIG_LED LED_VIRTUAL
/* Define this if you have adjustable CPU frequency */
//#define HAVE_ADJUSTABLE_CPU_FREQ
#define HAVE_ADJUSTABLE_CPU_FREQ
#define BOOTFILE_EXT "ipod"
#define BOOTFILE "rockbox." BOOTFILE_EXT

2
firmware/export/config-ipodvideo.h
View file

@ -97,7 +97,7 @@
#define CONFIG_LED LED_VIRTUAL
/* Define this if you have adjustable CPU frequency */
//#define HAVE_ADJUSTABLE_CPU_FREQ
#define HAVE_ADJUSTABLE_CPU_FREQ
#define BOOTFILE_EXT "ipod"
#define BOOTFILE "rockbox." BOOTFILE_EXT

7
firmware/export/system.h
View file

@ -305,8 +305,11 @@ static inline void invalidate_icache(void)
/* TODO: Implement set_irq_level and check CPU frequencies */
#define CPUFREQ_DEFAULT CPU_FREQ
#define CPUFREQ_NORMAL 37500000
#define CPUFREQ_DEFAULT_MULT 8
#define CPUFREQ_DEFAULT 240000000
#define CPUFREQ_NORMAL_MULT 10
#define CPUFREQ_NORMAL 30000000
#define CPUFREQ_MAX_MULT 25
#define CPUFREQ_MAX 75000000
static inline unsigned short swap16(unsigned short value)

54
firmware/system.c
View file

@ -1200,21 +1200,55 @@ static void ipod_init_cache(void)
inb(i);
}
static void ipod_set_cpu_speed(void)
/* Only these two support CPU boosting at the moment */
#if defined(APPLE_IPODNANO) || defined(APPLE_IPODVIDEO)
void set_cpu_frequency(long frequency)
{
outl(inl(0x70000020) | (1<<30), 0x70000020);
unsigned long postmult;
/* Set run state to 24MHz */
if (frequency == CPUFREQ_NORMAL)
postmult = CPUFREQ_NORMAL_MULT;
else if (frequency == CPUFREQ_MAX)
postmult = CPUFREQ_MAX_MULT;
else
postmult = CPUFREQ_DEFAULT_MULT;
cpu_frequency = frequency;
/* Enable PLL? */
outl(inl(0x70000020) | (1<<30), 0x70000020);
/* Select 24MHz crystal as clock source? */
outl((inl(0x60006020) & 0x0fffff0f) | 0x20000020, 0x60006020);
/* 75 MHz (24/8)*25 */
outl(0xaa021908, 0x60006034);
udelay(2000);
/* Clock frequency = (24/8)*postmult */
outl(0xaa020000 | 8 | (postmult << 8), 0x60006034);
/* Wait for PLL relock? */
udelay(2000);
outl((inl(0x60006020) & 0x0fffff0f) | 0x20000070, 0x60006020);
/* Select PLL as clock source? */
outl((inl(0x60006020) & 0x0fffff0f) | 0x20000070, 0x60006020);
}
#else
void ipod_set_cpu_frequency(void)
{
/* Enable PLL? */
outl(inl(0x70000020) | (1<<30), 0x70000020);
/* Select 24MHz crystal as clock source? */
outl((inl(0x60006020) & 0x0fffff0f) | 0x20000020, 0x60006020);
/* Clock frequency = (24/8)*25 = 75MHz */
outl(0xaa020000 | 8 | (25 << 8), 0x60006034);
/* Wait for PLL relock? */
udelay(2000);
/* Select PLL as clock source? */
outl((inl(0x60006020) & 0x0fffff0f) | 0x20000070, 0x60006020);
}
#endif
#endif /* BOOTLOADER */
void system_init(void)
{
#ifndef BOOTLOADER
@ -1230,8 +1264,10 @@ void system_init(void)
outl(-1, 0x60001038);
outl(-1, 0x60001028);
outl(-1, 0x6000101c);
ipod_set_cpu_speed();
ipod_init_cache();
#if !defined(APPLE_IPODNANO) && !defined(APPLE_IPODVIDEO)
ipod_set_cpu_frequency();
#endif
ipod_init_cache();
#endif
}