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authorRafaël Carré <rafael.carre@gmail.com>2012-01-03 04:39:56 +0000
committerRafaël Carré <rafael.carre@gmail.com>2012-01-03 04:39:56 +0000
commit5cf79723ecb9a22de432d169ce65eb19aa651e8a (patch)
tree8e646c327a144a6630f260fc64f183a9bb80b4df /firmware/target/arm/system-pp5002.c
parentbbe5845f04433846c553579d70310bef8efd0f50 (diff)
downloadrockbox-5cf79723ecb9a22de432d169ce65eb19aa651e8a.tar.gz
rockbox-5cf79723ecb9a22de432d169ce65eb19aa651e8a.zip
move PP specific files to pp/
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31533 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/system-pp5002.c')
-rw-r--r--firmware/target/arm/system-pp5002.c227
1 files changed, 0 insertions, 227 deletions
diff --git a/firmware/target/arm/system-pp5002.c b/firmware/target/arm/system-pp5002.c
deleted file mode 100644
index 3186d3739a..0000000000
--- a/firmware/target/arm/system-pp5002.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/***************************************************************************
- * __________ __ ___.
- * Open \______ \ ____ ____ | | _\_ |__ _______ ___
- * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
- * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
- * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
- * \/ \/ \/ \/ \/
- * $Id$
- *
- * Copyright (C) 2002 by Alan Korr
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ****************************************************************************/
-#include "system.h"
-
-#ifndef BOOTLOADER
-#include "adc-target.h"
-#include "button-target.h"
-
-extern void TIMER1(void);
-extern void TIMER2(void);
-
-void __attribute__((interrupt("IRQ"))) irq_handler(void)
-{
- if(CURRENT_CORE == CPU)
- {
- if (CPU_INT_STAT & TIMER1_MASK)
- TIMER1();
- else if (CPU_INT_STAT & TIMER2_MASK)
- TIMER2();
- else if (CPU_INT_STAT & GPIO_MASK)
- {
- if (GPIOA_INT_STAT)
- ipod_3g_button_int();
-#ifdef IPOD_1G2G
- if (GPIOB_INT_STAT & 0x04)
- ipod_2g_adc_int();
-#endif
- }
- }
- else
- {
- if (COP_INT_STAT & TIMER2_MASK)
- TIMER2();
- }
-}
-
-#endif
-
-#ifndef BOOTLOADER
-void ICODE_ATTR __attribute__((naked)) commit_dcache(void)
-{
- asm volatile(
- "mov r0, #0xf0000000 \n"
- "add r0, r0, #0xc000 \n" /* r0 = CACHE_FLUSH_BASE */
- "add r1, r0, #0x2000 \n" /* r1 = CACHE_FLUSH_BASE + CACHE_SIZE */
- "mov r2, #0 \n"
- "1: \n"
- "str r2, [r0], #16 \n" /* Commit */
- "cmp r0, r1 \n"
- "blo 1b \n"
- "bx lr \n"
- );
-}
-
-void ICODE_ATTR __attribute__((naked)) commit_discard_idcache(void)
-{
- asm volatile(
- "mov r0, #0xf0000000 \n"
- "add r2, r0, #0x4000 \n" /* r1 = CACHE_INVALIDATE_BASE */
- "add r0, r0, #0xc000 \n" /* r0 = CACHE_FLUSH_BASE */
- "add r1, r0, #0x2000 \n" /* r2 = CACHE_FLUSH_BASE + CACHE_SIZE */
- "mov r3, #0 \n"
- "1: \n"
- "str r3, [r0], #16 \n" /* Commit */
- "str r3, [r2], #16 \n" /* Discard */
- "cmp r0, r1 \n"
- "blo 1b \n"
- "bx lr \n"
- );
-}
-
-void commit_discard_dcache(void) __attribute__((alias("commit_discard_idcache")));
-
-static void ipod_init_cache(void)
-{
-/* Initialising the cache in the iPod bootloader prevents Rockbox from starting */
- PROC_STAT &= ~0x700;
- outl(0x4000, 0xcf004020);
-
- CACHE_CTL = CACHE_CTL_INIT;
-
- asm volatile(
- "mov r0, #0xf0000000 \n"
- "add r0, r0, #0x4000 \n" /* r0 = CACHE_INVALIDATE_BASE */
- "add r1, r0, #0x2000 \n" /* r1 = CACHE_INVALIDATE_BASE + CACHE_SIZE */
- "mov r2, #0 \n"
- "1: \n"
- "str r2, [r0], #16 \n" /* Invalidate */
- "cmp r0, r1 \n"
- "blo 1b \n"
- : : : "r0", "r1", "r2"
- );
-
- /* Cache if (addr & mask) >> 16 == (mask & match) >> 16:
- * yes: 0x00000000 - 0x03ffffff
- * no: 0x04000000 - 0x1fffffff
- * yes: 0x20000000 - 0x23ffffff
- * no: 0x24000000 - 0x3fffffff <= range containing uncached alias
- */
- CACHE_MASK = 0x00001c00;
- CACHE_OPERATION = 0x3fc0;
-
- CACHE_CTL = CACHE_CTL_INIT | CACHE_CTL_RUN;
-}
-
-#ifdef HAVE_ADJUSTABLE_CPU_FREQ
-void set_cpu_frequency(long frequency)
-#else
-static void pp_set_cpu_frequency(long frequency)
-#endif
-{
- cpu_frequency = frequency;
-
- PLL_CONTROL |= 0x6000; /* make sure some enable bits are set */
- CLOCK_ENABLE = 0x01; /* select source #1 */
-
- switch (frequency)
- {
- case CPUFREQ_MAX:
- PLL_UNLOCK = 0xd19b; /* unlock frequencies > 66MHz */
- CLOCK_SOURCE = 0xa9; /* source #1: 24 Mhz, source #2..#4: PLL */
- PLL_CONTROL = 0xe000; /* PLL enabled */
- PLL_DIV = 3; /* 10/3 * 24MHz */
- PLL_MULT = 10;
- udelay(200); /* wait for relock */
- break;
-
- case CPUFREQ_NORMAL:
- CLOCK_SOURCE = 0xa9; /* source #1: 24 Mhz, source #2..#4: PLL */
- PLL_CONTROL = 0xe000; /* PLL enabled */
- PLL_DIV = 4; /* 5/4 * 24MHz */
- PLL_MULT = 5;
- udelay(200); /* wait for relock */
- break;
-
- case CPUFREQ_SLEEP:
- CLOCK_SOURCE = 0x51; /* source #2: 32kHz, #1, #2, #4: 24MHz */
- PLL_CONTROL = 0x6000; /* PLL disabled */
- udelay(10000); /* let 32kHz source stabilize? */
- break;
-
- default:
- CLOCK_SOURCE = 0x55; /* source #1..#4: 24 Mhz */
- PLL_CONTROL = 0x6000; /* PLL disabled */
- cpu_frequency = CPUFREQ_DEFAULT;
- break;
- }
- CLOCK_ENABLE = 0x02; /* select source #2 */
-}
-#endif /* !BOOTLOADER */
-
-void system_init(void)
-{
-#ifndef BOOTLOADER
- if (CURRENT_CORE == CPU)
- {
- /* Remap the flash ROM on CPU, keep hidden from COP:
- * 0x00000000-0x03ffffff = 0x20000000-0x23ffffff */
- MMAP1_LOGICAL = 0x20003c00;
- MMAP1_PHYSICAL = 0x00003f84;
-
-#if defined(IPOD_1G2G) || defined(IPOD_3G)
- DEV_EN = 0x0b9f; /* don't clock unused PP5002 hardware components */
- outl(0x0035, 0xcf005004); /* DEV_EN2 ? */
-#endif
-
- INT_FORCED_CLR = -1;
- CPU_INT_DIS = -1;
- COP_INT_DIS = -1;
-
- GPIOA_INT_EN = 0;
- GPIOB_INT_EN = 0;
- GPIOC_INT_EN = 0;
- GPIOD_INT_EN = 0;
-
-#ifdef HAVE_ADJUSTABLE_CPU_FREQ
-#if NUM_CORES > 1
- cpu_boost_init();
-#endif
-#else
- pp_set_cpu_frequency(CPUFREQ_MAX);
-#endif
- }
- ipod_init_cache();
-#endif
-}
-
-void system_reboot(void)
-{
- DEV_RS |= 4;
- while (1);
-}
-
-void system_exception_wait(void)
-{
- /* FIXME: we just need the right buttons */
- CPU_INT_DIS = -1;
- COP_INT_DIS = -1;
-
- /* Halt */
- sleep_core(CURRENT_CORE);
- while (1);
-}
-
-int system_memory_guard(int newmode)
-{
- (void)newmode;
- return 0;
-}