57667c51cf
This gets rid of LCD glitches on Sansa Fuze, and now LCD transfers can get interrupted by button reading Flyspray: FS #10603 Author: Bertrik Sikken git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24192 a1c6a512-1295-4272-9138-f99709370657
406 lines
15 KiB
C
406 lines
15 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright © 2008 Rafaël Carré
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdbool.h>
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#include "debug-target.h"
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#include "button.h"
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#include "lcd.h"
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#include "font.h"
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#include "system.h"
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#include "sprintf.h"
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#include "cpu.h"
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#include "pl180.h"
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#include "ascodec-target.h"
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#include "adc.h"
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#include "storage.h"
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#define ON "Enabled"
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#define OFF "Disabled"
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#define CP15_MMU (1<<0) /* mmu off/on */
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#define CP15_DC (1<<2) /* dcache off/on */
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#define CP15_IC (1<<12) /* icache off/on */
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#define CLK_MAIN 24000000 /* 24 MHz */
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#define CLK_PLLA 0
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#define CLK_PLLB 1
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#define CLK_922T 2
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#define CLK_FCLK 3
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#define CLK_EXTMEM 4
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#define CLK_PCLK 5
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#define CLK_IDE 6
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#define CLK_I2C 7
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#define CLK_I2SI 8
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#define CLK_I2SO 9
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#define CLK_DBOP 10
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#define CLK_SD_MCLK_NAND 11
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#define CLK_SD_MCLK_MSD 12
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#define CLK_USB 13
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#define I2C2_CPSR0 *((volatile unsigned int *)(I2C_AUDIO_BASE + 0x1C))
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#define I2C2_CPSR1 *((volatile unsigned int *)(I2C_AUDIO_BASE + 0x20))
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#define MCI_NAND *((volatile unsigned long *)(NAND_FLASH_BASE + 0x04))
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#define MCI_SD *((volatile unsigned long *)(SD_MCI_BASE + 0x04))
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extern bool sd_enabled;
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/* FIXME: target tree is including ./debug-target.h rather than the one in
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* sansa-fuze/, even though deps contains the correct one
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* if I put the below into a sansa-fuze/debug-target.h, it doesn't work*/
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#if defined(SANSA_FUZE) || defined(SANSA_E200V2) || defined(SANSA_C200V2)
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#define DEBUG_DBOP
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#include "dbop-as3525.h"
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#endif
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static inline unsigned read_cp15 (void)
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{
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unsigned cp15_value;
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asm volatile (
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"mrc p15, 0, %0, c1, c0, 0 @ read control reg\n" : "=r"(cp15_value));
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return (cp15_value);
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}
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static int calc_freq(int clk)
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{
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int out_div;
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unsigned int prediv = ((unsigned int)CGU_PROC>>2) & 0x3;
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unsigned int postdiv = ((unsigned int)CGU_PROC>>4) & 0xf;
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switch(clk) {
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/* clk_main = clk_int = 24MHz oscillator */
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case CLK_PLLA:
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if(CGU_PLLASUP & (1<<3))
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return 0;
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/*assume 24MHz oscillator only input available */
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out_div = ((CGU_PLLA>>13) & 0x3); /* bits 13:14 */
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if (out_div == 3) /* for 11 NO=4 */
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out_div=4;
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if(out_div) /* NO = 0 not allowed */
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return ((2 * (CGU_PLLA & 0xff))*CLK_MAIN)/
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(((CGU_PLLA>>8) & 0x1f)*out_div);
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return 0;
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case CLK_PLLB:
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if(CGU_PLLBSUP & (1<<3))
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return 0;
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/*assume 24MHz oscillator only input available */
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out_div = ((CGU_PLLB>>13) & 0x3); /* bits 13:14 */
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if (out_div == 3) /* for 11 NO=4 */
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out_div=4;
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if(out_div) /* NO = 0 not allowed */
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return ((2 * (CGU_PLLB & 0xff))*CLK_MAIN)/
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(((CGU_PLLB>>8) & 0x1f)*out_div);
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return 0;
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case CLK_922T:
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if (!(read_cp15()>>30)) /* fastbus */
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return calc_freq(CLK_PCLK);
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else /* Synch or Asynch bus*/
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return calc_freq(CLK_FCLK);
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case CLK_FCLK:
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switch(CGU_PROC & 3) {
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case 0:
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return (CLK_MAIN * (8 - prediv)) / (8 * (postdiv + 1));
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case 1:
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return (calc_freq(CLK_PLLA) * (8 - prediv)) /
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(8 * (postdiv + 1));
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case 2:
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return (calc_freq(CLK_PLLB) * (8 - prediv)) /
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(8 * (postdiv + 1));
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default:
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return 0;
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}
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case CLK_EXTMEM:
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switch(CGU_PERI & 3) {
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case 0:
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return CLK_MAIN/(((CGU_PERI>>2)& 0xf)+1);
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case 1:
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return calc_freq(CLK_PLLA)/(((CGU_PERI>>2)& 0xf)+1);
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case 2:
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return calc_freq(CLK_PLLB)/(((CGU_PERI>>2)& 0xf)+1);
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case 3:
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return calc_freq(CLK_FCLK)/(((CGU_PERI>>2)& 0xf)+1);
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default:
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return 0;
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}
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case CLK_PCLK:
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return calc_freq(CLK_EXTMEM)/(((CGU_PERI>>6)& 0x1)+1);
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case CLK_IDE:
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switch(CGU_IDE & 3) {
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case 0:
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return CLK_MAIN/(((CGU_IDE>>2)& 0xf)+1);
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case 1:
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return calc_freq(CLK_PLLA)/(((CGU_IDE>>2)& 0xf)+1);
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case 2:
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return calc_freq(CLK_PLLB)/(((CGU_IDE>>2)& 0xf)+1);
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default:
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return 0;
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}
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case CLK_I2C:
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return calc_freq(CLK_PCLK)/(I2C2_CPSR1<<8 | I2C2_CPSR0);
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case CLK_I2SI:
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switch((CGU_AUDIO>>12) & 3) {
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case 0:
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return CLK_MAIN/(((CGU_AUDIO>>14) & 0x1ff)+1);
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case 1:
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return calc_freq(CLK_PLLA)/(((CGU_AUDIO>>14) & 0x1ff)+1);
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case 2:
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return calc_freq(CLK_PLLB)/(((CGU_AUDIO>>14) & 0x1ff)+1);
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default:
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return 0;
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}
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case CLK_I2SO:
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switch(CGU_AUDIO & 3) {
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case 0:
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return CLK_MAIN/(((CGU_AUDIO>>2) & 0x1ff)+1);
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case 1:
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return calc_freq(CLK_PLLA)/(((CGU_AUDIO>>2) & 0x1ff)+1);
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case 2:
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return calc_freq(CLK_PLLB)/(((CGU_AUDIO>>2) & 0x1ff)+1);
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default:
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return 0;
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}
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case CLK_DBOP:
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return calc_freq(CLK_PCLK)/((CGU_DBOP & 7)+1);
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case CLK_SD_MCLK_NAND:
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if(!(MCI_NAND & (1<<8)))
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return 0;
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else if(MCI_NAND & (1<<10))
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return calc_freq(CLK_IDE);
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else
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return calc_freq(CLK_IDE)/(((MCI_NAND & 0xff)+1)*2);
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case CLK_SD_MCLK_MSD:
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if(!(MCI_SD & (1<<8)))
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return 0;
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else if(MCI_SD & (1<<10))
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return calc_freq(CLK_PCLK);
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else
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return calc_freq(CLK_PCLK)/(((MCI_SD & 0xff)+1)*2);
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case CLK_USB:
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switch(CGU_USB & 3) { /* 0-> div=1 other->div=1/(2*n) */
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case 0:
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if (!((CGU_USB>>2) & 0xf))
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return CLK_MAIN;
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else
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return CLK_MAIN/(2*((CGU_USB>>2) & 0xf));
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case 1:
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if (!((CGU_USB>>2) & 0xf))
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return calc_freq(CLK_PLLA);
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else
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return calc_freq(CLK_PLLA)/(2*((CGU_USB>>2) & 0xf));
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case 2:
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if (!((CGU_USB>>2) & 0xf))
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return calc_freq(CLK_PLLB);
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else
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return calc_freq(CLK_PLLB)/(2*((CGU_USB>>2) & 0xf));
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default:
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return 0;
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}
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default:
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return 0;
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}
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}
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bool __dbg_hw_info(void)
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{
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int line;
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int last_nand = 0;
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#ifdef HAVE_MULTIDRIVE
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int last_sd = 0;
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#endif
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lcd_clear_display();
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lcd_setfont(FONT_SYSFIXED);
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while(1)
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{
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while(1)
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{
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lcd_clear_display();
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line = 0;
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lcd_puts(0, line++, "[Clock Frequencies:]");
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lcd_puts(0, line++, " SET ACTUAL");
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lcd_putsf(0, line++, "922T:%s %3dMHz",
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(!(read_cp15()>>30)) ? "FAST " :
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(read_cp15()>>31) ? "ASYNC" : "SYNC ",
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calc_freq(CLK_922T)/1000000);
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lcd_putsf(0, line++, "PLLA:%3dMHz %3dMHz", AS3525_PLLA_FREQ/1000000,
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calc_freq(CLK_PLLA)/1000000);
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lcd_putsf(0, line++, "PLLB: %3dMHz", calc_freq(CLK_PLLB)/1000000);
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lcd_putsf(0, line++, "FCLK: %3dMHz", calc_freq(CLK_FCLK)/1000000);
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#if LCD_HEIGHT < 176 /* clip */
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lcd_update();
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int btn = button_get_w_tmo(HZ/10);
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if(btn == (DEBUG_CANCEL|BUTTON_REL))
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goto end;
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else if(btn == (BUTTON_DOWN|BUTTON_REL))
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break;
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}
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while(1)
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{
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lcd_clear_display();
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line = 0;
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#endif /* LCD_HEIGHT < 176 */
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lcd_putsf(0, line++, "DRAM:%3dMHz %3dMHz", AS3525_PCLK_FREQ/1000000,
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calc_freq(CLK_EXTMEM)/1000000);
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lcd_putsf(0, line++, "PCLK:%3dMHz %3dMHz", AS3525_PCLK_FREQ/1000000,
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calc_freq(CLK_PCLK)/1000000);
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lcd_putsf(0, line++, "IDE :%3dMHz %3dMHz", AS3525_IDE_FREQ/1000000,
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calc_freq(CLK_IDE)/1000000);
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lcd_putsf(0, line++, "DBOP:%3dMHz %3dMHz", AS3525_DBOP_FREQ/1000000,
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calc_freq(CLK_DBOP)/1000000);
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lcd_putsf(0, line++, "I2C :%3dkHz %3dkHz", AS3525_I2C_FREQ/1000,
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calc_freq(CLK_I2C)/1000);
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lcd_putsf(0, line++, "I2SI: %s %3dMHz", (CGU_AUDIO & (1<<23)) ?
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"on " : "off" , calc_freq(CLK_I2SI)/1000000);
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#if LCD_HEIGHT < 176 /* clip */
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lcd_update();
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int btn = button_get_w_tmo(HZ/10);
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if(btn == (DEBUG_CANCEL|BUTTON_REL))
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goto end;
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else if(btn == (BUTTON_DOWN|BUTTON_REL))
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break;
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}
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while(1)
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{
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lcd_clear_display();
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line = 0;
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#endif /* LCD_HEIGHT < 176 */
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lcd_putsf(0, line++, "I2SO: %s %3dMHz", (CGU_AUDIO & (1<<11)) ?
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"on " : "off", calc_freq(CLK_I2SO)/1000000);
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/* If disabled, enable SD cards so we can read the registers */
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if(sd_enabled == false)
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{
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sd_enable(true);
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last_nand = MCI_NAND;
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#ifdef HAVE_MULTIDRIVE
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last_sd = MCI_SD;
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#endif
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sd_enable(false);
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}
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lcd_putsf(0, line++, "SD :%3dMHz %3dMHz",
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((AS3525_IDE_FREQ/ 1000000) /
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((last_nand & MCI_CLOCK_BYPASS)? 1:(((last_nand & 0xff)+1) * 2))),
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calc_freq(CLK_SD_MCLK_NAND)/1000000);
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#ifdef HAVE_MULTIDRIVE
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lcd_putsf(0, line++, "uSD :%3dMHz %3dMHz",
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((AS3525_PCLK_FREQ/ 1000000) /
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((last_sd & MCI_CLOCK_BYPASS) ? 1: (((last_sd & 0xff) + 1) * 2))),
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calc_freq(CLK_SD_MCLK_MSD)/1000000);
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#endif
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lcd_putsf(0, line++, "USB : %3dMHz", calc_freq(CLK_USB)/1000000);
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lcd_putsf(0, line++, "MMU : %s CVDDP:%4d", (read_cp15() & CP15_MMU) ?
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" on" : "off", adc_read(ADC_CVDD) * 25);
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lcd_putsf(0, line++, "Icache:%s Dcache:%s",
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(read_cp15() & CP15_IC) ? " on" : "off",
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(read_cp15() & CP15_DC) ? " on" : "off");
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lcd_update();
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int btn = button_get_w_tmo(HZ/10);
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if(btn == (DEBUG_CANCEL|BUTTON_REL))
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goto end;
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else if(btn == (BUTTON_DOWN|BUTTON_REL))
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break;
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}
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while(1)
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{
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lcd_clear_display();
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line = 0;
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lcd_putsf(0, line++, "CGU_PLLA :%8x", (unsigned int)(CGU_PLLA));
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lcd_putsf(0, line++, "CGU_PLLB :%8x", (unsigned int)(CGU_PLLB));
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lcd_putsf(0, line++, "CGU_PROC :%8x", (unsigned int)(CGU_PROC));
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lcd_putsf(0, line++, "CGU_PERI :%8x", (unsigned int)(CGU_PERI));
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lcd_putsf(0, line++, "CGU_IDE :%8x", (unsigned int)(CGU_IDE));
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lcd_putsf(0, line++, "CGU_DBOP :%8x", (unsigned int)(CGU_DBOP));
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#if LCD_HEIGHT < 176 /* clip */
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lcd_update();
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int btn = button_get_w_tmo(HZ/10);
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if(btn == (DEBUG_CANCEL|BUTTON_REL))
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goto end;
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else if(btn == (BUTTON_DOWN|BUTTON_REL))
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break;
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}
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while(1)
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{
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lcd_clear_display();
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line = 0;
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#endif /* LCD_HEIGHT < 176 */
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lcd_putsf(0, line++, "CGU_AUDIO :%8x", (unsigned int)(CGU_AUDIO));
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lcd_putsf(0, line++, "CGU_USB :%8x", (unsigned int)(CGU_USB));
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lcd_putsf(0, line++, "I2C2_CPSR :%8x", (unsigned int)(I2C2_CPSR1<<8 |
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I2C2_CPSR0));
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lcd_putsf(0, line++, "MCI_NAND :%8x", (unsigned int)(MCI_NAND));
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lcd_putsf(0, line++, "MCI_SD :%8x", (unsigned int)(MCI_SD));
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lcd_update();
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int btn = button_get_w_tmo(HZ/10);
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if(btn == (DEBUG_CANCEL|BUTTON_REL))
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goto end;
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else if(btn == (BUTTON_DOWN|BUTTON_REL))
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break;
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}
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}
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end:
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lcd_setfont(FONT_UI);
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return false;
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}
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bool __dbg_ports(void)
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{
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int line;
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lcd_clear_display();
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lcd_setfont(FONT_SYSFIXED);
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while(1)
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{
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line = 0;
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lcd_puts(0, line++, "[GPIO Values and Directions]");
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lcd_putsf(0, line++, "GPIOA: %2x DIR: %2x", GPIOA_DATA, GPIOA_DIR);
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lcd_putsf(0, line++, "GPIOB: %2x DIR: %2x", GPIOB_DATA, GPIOB_DIR);
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lcd_putsf(0, line++, "GPIOC: %2x DIR: %2x", GPIOC_DATA, GPIOC_DIR);
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lcd_putsf(0, line++, "GPIOD: %2x DIR: %2x", GPIOD_DATA, GPIOD_DIR);
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#ifdef DEBUG_DBOP
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line++;
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lcd_puts(0, line++, "[DBOP_DIN]");
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lcd_putsf(0, line++, "DBOP_DIN: %4x", dbop_debug());
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#endif
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line++;
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lcd_puts(0, line++, "[CP15]");
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lcd_putsf(0, line++, "CP15: 0x%8x", read_cp15());
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lcd_update();
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if (button_get_w_tmo(HZ/10) == (DEBUG_CANCEL|BUTTON_REL))
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break;
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}
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lcd_setfont(FONT_UI);
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return false;
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}
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