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fb134c9533
This is a driver for the UART controller on the S5L87xx series of SoCs, which is named after the SoC family. Since S5L8720 is confirmed to have the same interface and the newer models probably also have it, the driver is renamed to reflect this. Change-Id: I974c002924372e860db0e49235d108dab87f8831
233 lines
7.4 KiB
C
233 lines
7.4 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 "config.h"
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#include "system.h"
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#include "kernel.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 "storage.h"
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#ifdef IPOD_NANO2G
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#include "power.h"
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#include "pmu-target.h"
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#include "nand-target.h"
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#endif
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#ifdef HAVE_SERIAL
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#include "uart-target.h"
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#include "uc87xx.h"
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#endif
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#define DEBUG_CANCEL BUTTON_MENU
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/* Skeleton for adding target specific debug info to the debug menu
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*/
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#define _DEBUG_PRINTF(a, varargs...) lcd_putsf(0, line++, (a), ##varargs);
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extern int lcd_type;
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extern uint32_t nand_type[4];
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bool dbg_hw_info(void)
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{
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int line;
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int i;
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#ifdef IPOD_NANO2G
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unsigned int state = 0;
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#ifdef UC87XX_DEBUG
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const unsigned int max_states=3;
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#else
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const unsigned int max_states=2;
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#endif
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int nand_bank_count;
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struct storage_info info;
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const struct nand_device_info_type *nand_devicetype[4];
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nand_get_info(&info);
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nand_bank_count = 0;
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for(i=0;i<4;i++)
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{
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nand_devicetype[i] = nand_get_device_type(i);
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if(nand_devicetype[i] != NULL) nand_bank_count++;
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}
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#endif
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lcd_clear_display();
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lcd_setfont(FONT_SYSFIXED);
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state=0;
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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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/* _DEBUG_PRINTF statements can be added here to show debug info */
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#ifdef IPOD_NANO2G
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if(state == 0)
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{
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_DEBUG_PRINTF("CPU:");
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_DEBUG_PRINTF("current_tick: %d", (unsigned int)current_tick);
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line++;
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_DEBUG_PRINTF("LCD:");
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_DEBUG_PRINTF("type: %d, %s", lcd_type, lcd_type ? "(7) LDS176" : "(2) ILI9320");
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line++;
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_DEBUG_PRINTF("NAND:");
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_DEBUG_PRINTF("banks: %d",nand_bank_count);
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for(i=0;i<4;i++)
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{
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if(nand_devicetype[i] != NULL)
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{
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_DEBUG_PRINTF("bank: %d, id: %08X", i, (unsigned int)(*nand_devicetype[i]).id);
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}
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}
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_DEBUG_PRINTF("sectors: %d", info.num_sectors);
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_DEBUG_PRINTF("sector size: %d", info.sector_size);
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_DEBUG_PRINTF("last disk activity: %d", (unsigned int)nand_last_disk_activity());
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}
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else if(state==1)
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{
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_DEBUG_PRINTF("PMU:");
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for(i=0;i<7;i++)
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{
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static const char * const device[] = {"(unknown)",
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"(CLICKWHEEL)",
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"(LCD)",
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"(AUDIO)",
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"(NAND)",
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"(unknown)",
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"(ACCESSORY)"};
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_DEBUG_PRINTF("ldo%d %s: %dmV %s",i,
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pmu_read(0x2e + (i << 1))?" on":"off",
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900 + pmu_read(0x2d + (i << 1))*100,
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device[i]);
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}
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_DEBUG_PRINTF("cpu voltage: %dmV",625 + pmu_read(0x1e)*25);
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_DEBUG_PRINTF("memory voltage: %dmV",625 + pmu_read(0x22)*25);
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line++;
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_DEBUG_PRINTF("charging: %s", charging_state() ? "true" : "false");
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_DEBUG_PRINTF("backlight: %s", pmu_read(0x29) ? "on" : "off");
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_DEBUG_PRINTF("brightness value: %d", pmu_read(0x28));
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}
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#ifdef UC87XX_DEBUG
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else if(state==2)
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{
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extern struct uartc_port ser_port;
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int tx_stat, rx_stat, tx_speed, rx_speed;
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char line_cfg[4];
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int abr_stat;
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uint32_t abr_cnt;
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static const char * const abrstatus[] = {"Idle", "Launched", "Counting", "Abnormal"};
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uartc_port_get_line_info(&ser_port,
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&tx_stat, &rx_stat, &tx_speed, &rx_speed, line_cfg);
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abr_stat = uartc_port_get_abr_info(&ser_port, &abr_cnt);
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_DEBUG_PRINTF("UART %d:", ser_port.id);
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line++;
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_DEBUG_PRINTF("line: %s", line_cfg);
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_DEBUG_PRINTF("Tx: %s, speed: %d", tx_stat ? "On":"Off", tx_speed);
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_DEBUG_PRINTF("Rx: %s, speed: %d", rx_stat ? "On":"Off", rx_speed);
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_DEBUG_PRINTF("ABR: %s, cnt: %u", abrstatus[abr_stat], abr_cnt);
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line++;
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_DEBUG_PRINTF("n_tx_bytes: %u", ser_port.n_tx_bytes);
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_DEBUG_PRINTF("n_rx_bytes: %u", ser_port.n_rx_bytes);
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_DEBUG_PRINTF("n_ovr_err: %u", ser_port.n_ovr_err);
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_DEBUG_PRINTF("n_parity_err: %u", ser_port.n_parity_err);
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_DEBUG_PRINTF("n_frame_err: %u", ser_port.n_frame_err);
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_DEBUG_PRINTF("n_break_detect: %u", ser_port.n_break_detect);
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_DEBUG_PRINTF("ABR n_abnormal: %u %u",
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ser_port.n_abnormal0, ser_port.n_abnormal1);
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}
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#endif
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else
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{
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state=0;
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}
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#else
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_DEBUG_PRINTF("dbg_hw_info");
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#endif
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lcd_update();
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switch(button_get_w_tmo(HZ/20))
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{
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case BUTTON_SCROLL_BACK:
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if(state!=0) state--;
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break;
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case BUTTON_SCROLL_FWD:
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if(state!=max_states-1)
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{
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state++;
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}
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break;
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case DEBUG_CANCEL:
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case BUTTON_REL:
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lcd_setfont(FONT_UI);
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return false;
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}
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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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bool dbg_ports(void)
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{
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int line;
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lcd_setfont(FONT_SYSFIXED);
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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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_DEBUG_PRINTF("GPIO 0: %08x",(unsigned int)PDAT0);
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_DEBUG_PRINTF("GPIO 1: %08x",(unsigned int)PDAT1);
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_DEBUG_PRINTF("GPIO 2: %08x",(unsigned int)PDAT2);
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_DEBUG_PRINTF("GPIO 3: %08x",(unsigned int)PDAT3);
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_DEBUG_PRINTF("GPIO 4: %08x",(unsigned int)PDAT4);
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_DEBUG_PRINTF("GPIO 5: %08x",(unsigned int)PDAT5);
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_DEBUG_PRINTF("GPIO 6: %08x",(unsigned int)PDAT6);
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_DEBUG_PRINTF("GPIO 7: %08x",(unsigned int)PDAT7);
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_DEBUG_PRINTF("GPIO 10: %08x",(unsigned int)PDAT10);
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_DEBUG_PRINTF("GPIO 11: %08x",(unsigned int)PDAT11);
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_DEBUG_PRINTF("GPIO 13: %08x",(unsigned int)PDAT13);
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_DEBUG_PRINTF("GPIO 14: %08x",(unsigned int)PDAT14);
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_DEBUG_PRINTF("5USEC : %08x",(unsigned int)FIVE_USEC_TIMER);
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_DEBUG_PRINTF("USEC : %08x",(unsigned int)USEC_TIMER);
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_DEBUG_PRINTF("USECREG: %08x",(unsigned int)(*(REG32_PTR_T)(0x3C700084)));
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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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