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author | Marcin Bukat <marcin.bukat@gmail.com> | 2010-11-12 21:52:29 +0000 |
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committer | Marcin Bukat <marcin.bukat@gmail.com> | 2010-11-12 21:52:29 +0000 |
commit | 123bebeada5dce220d8ce96d31ed711cb13d8d05 (patch) | |
tree | e1d45698eb457c142916271529ca28834708937c /firmware/target/coldfire/mpio/hd200/system-hd200.c | |
parent | 6c8267a42cffd711dcd4230415f7e0ab15b855b3 (diff) | |
download | rockbox-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.c | 125 |
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; - } -} |