summaryrefslogtreecommitdiffstats
path: root/firmware/target/coldfire/mpio/hd200/system-hd200.c
diff options
context:
space:
mode:
authorMarcin Bukat <marcin.bukat@gmail.com>2010-11-12 21:52:29 +0000
committerMarcin Bukat <marcin.bukat@gmail.com>2010-11-12 21:52:29 +0000
commit123bebeada5dce220d8ce96d31ed711cb13d8d05 (patch)
treee1d45698eb457c142916271529ca28834708937c /firmware/target/coldfire/mpio/hd200/system-hd200.c
parent6c8267a42cffd711dcd4230415f7e0ab15b855b3 (diff)
downloadrockbox-123bebeada5dce220d8ce96d31ed711cb13d8d05.tar.gz
rockbox-123bebeada5dce220d8ce96d31ed711cb13d8d05.zip
MPIO: move files a bit in preparation for HD300 port
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28567 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/coldfire/mpio/hd200/system-hd200.c')
-rw-r--r--firmware/target/coldfire/mpio/hd200/system-hd200.c125
1 files changed, 0 insertions, 125 deletions
diff --git a/firmware/target/coldfire/mpio/hd200/system-hd200.c b/firmware/target/coldfire/mpio/hd200/system-hd200.c
deleted file mode 100644
index 0bd0e07386..0000000000
--- a/firmware/target/coldfire/mpio/hd200/system-hd200.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/***************************************************************************
- * __________ __ ___.
- * Open \______ \ ____ ____ | | _\_ |__ _______ ___
- * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
- * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
- * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
- * \/ \/ \/ \/ \/
- * $Id$
- *
- * Copyright (C) 2010 by Marcin Bukat
- * Copyright (C) 2006 by Linus Nielsen Feltzing
- *
- * 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 "config.h"
-#include "cpu.h"
-#include "kernel.h"
-#include "system.h"
-#include "power.h"
-#include "timer.h"
-
-/* Settings for all possible clock frequencies (with properly working timers)
- * NOTE: Some 5249 chips don't like having PLLDIV set to 0. We must avoid that!
- *
- * xxx_REFRESH_TIMER below
- * system.h, CPUFREQ_xxx_MULT |
- * | |
- * V V
- * PLLCR & Refreshtim. IDECONFIG1/IDECONFIG2
- * CPUCLK/Hz MULT ~0x70400000 16MB 32MB CSCR0 CSCR1 CSCR3 CS2Pre CS2Post CS2Wait
- * ---------------------------------------------------------------------------------------
- * 11289600 1 0x00800200 4 1 0x0180 0x0180 0x0180 1 1 0
- * 22579200 2 0x0589e025 10 4 0x0180 0x0180 0x0180 1 1 0
- * 33868800 3 0x0388e025 15 7 0x0180 0x0180 0x0180 1 1 0
- * 45158400 4 0x0589e021 21 10 0x0580 0x0180 0x0580 1 1 0
- * 56448000 5 0x0289e025 26 12 0x0580 0x0580 0x0980 2 1 0
- * 67737600 6 0x0388e021 32 15 0x0980 0x0980 0x0d80 2 1 0
- * 79027200 7 0x038a6021 37 18 0x0980 0x0d80 0x1180 2 1 0
- * 90316800 8 0x038be021 43 21 0x0d80 0x0d80 0x1580 2 1 0
- * 101606400 9 0x01892025 48 23 0x0d80 0x1180 0x1980 2 1 0
- * 112896000 10 0x0189e025 54 26 0x1180 0x1580 0x1d80 3 1 0
- * 124185600 11 0x018ae025 59 29 0x1180 0x1580 0x2180 3 1 1
- */
-
-#define MAX_REFRESH_TIMER 59
-#define NORMAL_REFRESH_TIMER 21
-#define DEFAULT_REFRESH_TIMER 4
-
-#ifdef HAVE_ADJUSTABLE_CPU_FREQ
-void set_cpu_frequency (long) __attribute__ ((section (".icode")));
-void set_cpu_frequency(long frequency)
-#else
-void cf_set_cpu_frequency (long) __attribute__ ((section (".icode")));
-void cf_set_cpu_frequency(long frequency)
-#endif
-{
- switch(frequency)
- {
- case CPUFREQ_MAX:
- DCR = (0x8200 | DEFAULT_REFRESH_TIMER);
- /* Refresh timer for bypass frequency */
- PLLCR &= ~1; /* Bypass mode */
- timers_adjust_prescale(CPUFREQ_DEFAULT_MULT, false);
- PLLCR = 0x018ae025 | (PLLCR & 0x70400000);
- CSCR0 = 0x00001180; /* Flash: 4 wait states */
- CSCR3 = 0x00000980; /* LCD: 2 wait states */
- while(!(PLLCR & 0x80000000)) {}; /* Wait until the PLL has locked.
- This may take up to 10ms! */
- timers_adjust_prescale(CPUFREQ_MAX_MULT, true);
- DCR = (0x8200 | MAX_REFRESH_TIMER); /* Refresh timer */
- cpu_frequency = CPUFREQ_MAX;
- IDECONFIG1 = (1<<28)|(1<<20)|(1<<18)|(1<<13)|(3<<10);
- /* BUFEN2 enable on /CS2 | CS2Post 1 clock| CS2Pre 3 clocks*/
- IDECONFIG2 = (1<<18)|(1<<16)|(1<<8)|(1<<0); /* TA /CS2 enable + CS2wait */
-
- and_l(~(0x07<<16), &ADCONFIG);
- or_l((0x05)<<16, &ADCONFIG); /* adclk = busclk/32 */
- break;
-
- case CPUFREQ_NORMAL:
- DCR = (DCR & ~0x01ff) | DEFAULT_REFRESH_TIMER;
- /* Refresh timer for bypass frequency */
- PLLCR &= ~1; /* Bypass mode */
- timers_adjust_prescale(CPUFREQ_DEFAULT_MULT, false);
- PLLCR = 0x0589e021 | (PLLCR & 0x70400000);
- CSCR0 = 0x00000580; /* Flash: 1 wait state */
- CSCR3 = 0x00000580; /* LCD: 1 wait state */
- while(!(PLLCR & 0x80000000)) {}; /* Wait until the PLL has locked.
- This may take up to 10ms! */
- timers_adjust_prescale(CPUFREQ_NORMAL_MULT, true);
- DCR = (0x8000 | NORMAL_REFRESH_TIMER); /* Refresh timer */
- cpu_frequency = CPUFREQ_NORMAL;
- IDECONFIG1 = (1<<28)|(1<<20)|(1<<18)|(1<<13)|(1<<10);
- IDECONFIG2 = (1<<18)|(1<<16);
-
- and_l(~(0x07<<16), &ADCONFIG);
- or_l((0x03)<<16, &ADCONFIG); /* adclk = busclk/8 */
- break;
-
- default:
- DCR = (DCR & ~0x01ff) | DEFAULT_REFRESH_TIMER;
- /* Refresh timer for bypass frequency */
- PLLCR &= ~1; /* Bypass mode */
- timers_adjust_prescale(CPUFREQ_DEFAULT_MULT, true);
- /* Power down PLL, but keep CLSEL and CRSEL */
- PLLCR = 0x00800200 | (PLLCR & 0x70400000);
- CSCR0 = 0x00000180; /* Flash: 0 wait states */
- CSCR3 = 0x00000180; /* LCD: 0 wait states */
- DCR = (0x8000 | DEFAULT_REFRESH_TIMER); /* Refresh timer */
- cpu_frequency = CPUFREQ_DEFAULT;
- IDECONFIG1 = (1<<28)|(1<<20)|(1<<18)|(1<<13)|(1<<10);
- IDECONFIG2 = (1<<18)|(1<<16);
-
- and_l(~(0x07<<16), &ADCONFIG);
- or_l((0x01)<<16, &ADCONFIG); /* adclk = busclk/2 */
- break;
- }
-}