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iPod Classic: implement HAVE_SERIAL 

Change-Id: I24a861cd45095d858d1a7db39969f6eda17cc563
This commit is contained in:
Cástor Muñoz 2014-12-06 22:33:39 +01:00
parent 9f27dc2103
commit 38ae0d53e8
8 changed files with 317 additions and 7 deletions
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4
firmware/SOURCES
View File

@ -1608,7 +1608,11 @@ target/arm/s5l8702/postmortemstub.S
target/arm/s5l8702/ipod6g/pmu-ipod6g.c
target/arm/s5l8702/ipod6g/rtc-ipod6g.c
target/arm/s5l8700/usb-nano2g-6g.c
#ifdef HAVE_SERIAL
target/arm/s5l8702/uc8702.c
target/arm/s5l8702/uart-s5l8702.c
target/arm/s5l8702/ipod6g/serial-ipod6g.c
#endif
#ifndef BOOTLOADER
target/arm/s5l8702/timer-s5l8702.c
target/arm/s5l8702/debug-s5l8702.c

2
firmware/export/config/ipod6g.h
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@ -250,7 +250,7 @@
/* Define this if you can switch on/off the accessory power supply */
#define HAVE_ACCESSORY_SUPPLY
//#define IPOD_ACCESSORY_PROTOCOL
//#define HAVE_SERIAL
#define HAVE_SERIAL
/* Define this, if you can switch on/off the lineout */
#define HAVE_LINEOUT_POWEROFF

14
firmware/export/s5l8702.h
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@ -669,11 +669,18 @@
#define I2SCLKDIV (*((volatile uint32_t*)(0x3CA00040)))
/////UART/////
/* UC8702 uart controller */
#define S5L8702_UART_BASE 0x3cc00000
#define S5L8702_UART_PORT_MAX 4
/////CLOCK GATES/////
#define CLOCKGATE_USB_1 2
#define CLOCKGATE_USB_2 35
#define CLOCKGATE_DMAC0 25
#define CLOCKGATE_DMAC1 26
#define CLOCKGATE_UART 41
/////INTERRUPTS/////
@ -687,6 +694,13 @@
#define IRQ_ATA 29
#define IRQ_MMC 44
#define IRQ_UART(i) (24+i)
#define IRQ_UART0 24
#define IRQ_UART1 25
#define IRQ_UART2 26
#define IRQ_UART3 27
#define IRQ_UART4 28 /* obsolete/not implemented on s5l8702 ??? */
#define IRQ_EXT0 0
#define IRQ_EXT1 1
#define IRQ_EXT2 2

42
firmware/target/arm/s5l8702/debug-s5l8702.c
View File

@ -30,6 +30,9 @@
#include "power.h"
#include "pmu-target.h"
#include "pcm-target.h"
#ifdef HAVE_SERIAL
#include "uc8702.h"
#endif
#define DEBUG_CANCEL BUTTON_MENU
@ -46,7 +49,11 @@ bool dbg_hw_info(void)
int line;
int i;
unsigned int state = 0;
#ifdef UC8702_DEBUG
const unsigned int max_states=3;
#else
const unsigned int max_states=2;
#endif
lcd_clear_display();
lcd_setfont(FONT_SYSFIXED);
@ -100,6 +107,41 @@ bool dbg_hw_info(void)
_DEBUG_PRINTF("backlight: %s", pmu_read(0x29) ? "on" : "off");
_DEBUG_PRINTF("brightness value: %d", pmu_read(0x28));
}
#ifdef UC8702_DEBUG
else if(state==2)
{
extern struct uartc_port ser_port;
int tx_stat, rx_stat, tx_speed, rx_speed;
char line_cfg[4];
int abr_stat;
unsigned int abr_cnt;
char *abrstatus[] = {"Idle", "Launched", "Counting", "Abnormal"};
uartc_port_get_line_info(&ser_port, &tx_stat, &rx_stat,
&tx_speed, &rx_speed, line_cfg);
abr_stat = uartc_port_get_abr_info(&ser_port, &abr_cnt);
_DEBUG_PRINTF("UART %d:", ser_port.id);
line++;
_DEBUG_PRINTF("line: %s", line_cfg);
_DEBUG_PRINTF("Tx: %s, speed: %d", tx_stat ? "On":"Off", tx_speed);
_DEBUG_PRINTF("Rx: %s, speed: %d", rx_stat ? "On":"Off", rx_speed);
_DEBUG_PRINTF("ABR: %s, cnt: %d", abrstatus[abr_stat], abr_cnt);
line++;
_DEBUG_PRINTF("n_tx_bytes: %u", ser_port.n_tx_bytes);
_DEBUG_PRINTF("n_rx_bytes: %u", ser_port.n_rx_bytes);
_DEBUG_PRINTF("n_ovr_err: %u", ser_port.n_ovr_err);
_DEBUG_PRINTF("n_parity_err: %u", ser_port.n_parity_err);
_DEBUG_PRINTF("n_frame_err: %u", ser_port.n_frame_err);
_DEBUG_PRINTF("n_break_detect: %u", ser_port.n_break_detect);
_DEBUG_PRINTF("n_abnormal0: %u", ser_port.n_abnormal0);
_DEBUG_PRINTF("n_abnormal1: %u", ser_port.n_abnormal1);
sleep(HZ/20);
}
#endif
else
{
state=0;

87
firmware/target/arm/s5l8702/ipod6g/serial-ipod6g.c Normal file
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@ -0,0 +1,87 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2014 by Cástor Muñoz
*
* 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 <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include "config.h"
#include "cpu.h"
#include "system.h"
#include "kernel.h"
#include "serial.h"
#include "s5l8702.h"
#include "uc8702.h"
#include "uart-s5l8702.h"
/* Define LOGF_ENABLE to enable logf output in this file */
#define LOGF_ENABLE
#include "logf.h"
/* shall include serial HW configuracion for specific target */
#define IPOD6G_UART_CLK_HZ 12000000 /* external OSC0 ??? */
extern struct uartc s5l8702_uart;
struct uartc_port ser_port IDATA_ATTR = {
/* location */
.uartc = &s5l8702_uart,
.id = 0,
/* configuration */
.rx_trg = UFCON_RX_FIFO_TRG_4,
.tx_trg = UFCON_TX_FIFO_TRG_EMPTY,
.clksel = UCON_CLKSEL_ECLK,
.clkhz = IPOD6G_UART_CLK_HZ,
/* interrupt callbacks */
.rx_cb = NULL,
.tx_cb = NULL, /* polling */
};
/*
* serial driver API
*/
void serial_setup(void)
{
uart_port_init(&ser_port);
/* set a default configuration, Tx and Rx modes are
disabled when the port is initialized */
uartc_port_config(&ser_port, 115200, ULCON_DATA_BITS_8,
ULCON_PARITY_NONE, ULCON_STOP_BITS_1);
/* enable Tx interrupt request or POLLING mode */
uartc_port_set_tx_mode(&ser_port, UCON_MODE_INTREQ);
logf("[%lu] serial_setup(): port %d ready!", USEC_TIMER, ser_port.id);
}
int tx_rdy(void)
{
return uartc_port_tx_ready(&ser_port) ? 1 : 0;
}
void tx_writec(unsigned char c)
{
uartc_port_tx_byte(&ser_port, c);
}

16
firmware/target/arm/s5l8702/system-s5l8702.c
View File

@ -26,6 +26,7 @@
#include "pmu-target.h"
#include "gpio-s5l8702.h"
#include "dma-s5l8702.h"
#include "uart-s5l8702.h"
#define default_interrupt(name) \
extern __attribute__((weak,alias("UIRQ"))) void name (void)
@ -64,11 +65,11 @@ default_interrupt(INT_IRQ20);
default_interrupt(INT_IRQ21);
default_interrupt(INT_IRQ22);
default_interrupt(INT_WHEEL);
default_interrupt(INT_IRQ24);
default_interrupt(INT_IRQ25);
default_interrupt(INT_IRQ26);
default_interrupt(INT_IRQ27);
default_interrupt(INT_IRQ28);
default_interrupt(INT_UART0);
default_interrupt(INT_UART1);
default_interrupt(INT_UART2);
default_interrupt(INT_UART3);
default_interrupt(INT_IRQ28); /* obsolete/not implemented UART4 ??? */
default_interrupt(INT_ATA);
default_interrupt(INT_IRQ30);
default_interrupt(INT_EXT4); /* GPIOIC group 2 (not used) */
@ -133,7 +134,7 @@ static void (* const irqvector[])(void) =
INT_EXT0,INT_EXT1,INT_EXT2,INT_EXT3,INT_IRQ4,INT_IRQ5,INT_IRQ6,INT_TIMER32,
INT_TIMER,INT_IRQ9,INT_IRQ10,INT_IRQ11,INT_IRQ12,INT_IRQ13,INT_IRQ14,INT_IRQ15,
INT_DMAC0,INT_DMAC1,INT_IRQ18,INT_USB_FUNC,INT_IRQ20,INT_IRQ21,INT_IRQ22,INT_WHEEL,
INT_IRQ24,INT_IRQ25,INT_IRQ26,INT_IRQ27,INT_IRQ28,INT_ATA,INT_IRQ30,INT_EXT4,
INT_UART0,INT_UART1,INT_UART2,INT_UART3,INT_IRQ28,INT_ATA,INT_IRQ30,INT_EXT4,
INT_EXT5,INT_EXT6,INT_IRQ34,INT_IRQ35,INT_IRQ36,INT_IRQ37,INT_IRQ38,INT_IRQ39,
INT_IRQ40,INT_IRQ41,INT_IRQ42,INT_IRQ43,INT_MMC,INT_IRQ45,INT_IRQ46,INT_IRQ47,
INT_IRQ48,INT_IRQ49,INT_IRQ50,INT_IRQ51,INT_IRQ52,INT_IRQ53,INT_IRQ54,INT_IRQ55,
@ -185,6 +186,9 @@ void system_init(void)
gpio_init();
pmu_init();
dma_init();
#ifdef HAVE_SERIAL
uart_init();
#endif
VIC0INTENABLE = 1 << IRQ_WHEEL;
VIC0INTENABLE = 1 << IRQ_ATA;
VIC1INTENABLE = 1 << (IRQ_MMC - 32);

127
firmware/target/arm/s5l8702/uart-s5l8702.c Normal file
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@ -0,0 +1,127 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2014 by Cástor Muñoz
*
* 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 Standard files */
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include "config.h"
#include "cpu.h"
#include "system.h"
#include "kernel.h"
#include "s5l8702.h"
#include "uc8702.h"
#include "uart-s5l8702.h"
/* s5l8702 UART configuration */
struct uartc s5l8702_uart = {
.baddr = S5L8702_UART_BASE
};
/*
* Device level functions specific to S5L8702
*/
void uart_gpio_control(int port_id, bool onoff)
{
if (onoff) {
switch (port_id) {
case 0:
/* configure UART0 Tx/Rx GPIO ports */
PCON0 = (PCON0 & 0xff00ffff) | 0x00220000;
break;
case 1:
/* configure UART1 GPIO ports, including RTS/CTS signals */
PCOND = (PCOND & 0xff0000ff) | 0x00222200;
break;
case 2:
case 3:
/* unknown, probably UART3/4 not routed on s5l8702 */
default:
break;
}
}
else {
/* configure minimal power consumption */
switch (port_id) {
case 0:
PCON0 = (PCON0 & 0xff00ffff) | 0x00ee0000;
break;
case 1:
PCOND = (PCOND & 0xff0000ff) | 0x00eeee00;
break;
case 2:
case 3:
default:
break;
}
}
}
/* reset s5l8702 uart related hardware */
static void s5l8702_uart_hw_init(void)
{
for (int id = 0; id < S5L8702_UART_PORT_MAX; id++) {
VIC0INTENCLEAR = 1 << IRQ_UART(id); /* mask INT */
uart_gpio_control(id, 0);
}
}
void uart_init(void)
{
s5l8702_uart_hw_init();
PWRCON(1) &= ~(1 << (CLOCKGATE_UART - 32)); /* on */
uartc_open(&s5l8702_uart);
}
void uart_close(void)
{
uartc_close(&s5l8702_uart);
PWRCON(1) |= (1 << (CLOCKGATE_UART - 32)); /* off */
s5l8702_uart_hw_init();
}
void uart_port_init(struct uartc_port *port)
{
uart_gpio_control(port->id, 1);
uartc_port_open(port);
VIC0INTENABLE = 1 << IRQ_UART(port->id); /* unmask INT */
}
void uart_port_close(struct uartc_port *port)
{
VIC0INTENCLEAR = 1 << IRQ_UART(port->id); /* mask INT */
uartc_port_close(port);
uart_gpio_control(port->id, 0);
}
/* ISRs */
void ICODE_ATTR INT_UART0(void)
{
uartc_callback(&s5l8702_uart, 0);
}
void ICODE_ATTR INT_UART1(void)
{
uartc_callback(&s5l8702_uart, 1);
}

32
firmware/target/arm/s5l8702/uart-s5l8702.h Normal file
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@ -0,0 +1,32 @@
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2014 by Cástor Muñoz
*
* 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.
*
****************************************************************************/
#ifndef __UART_S5L8702_H__
#define __UART_S5L8702_H__
#include "uc8702.h"
/* s5l8702 low level routines */
void uart_init (void);
void uart_close(void);
void uart_port_init (struct uartc_port *port);
void uart_port_close (struct uartc_port *port);
#endif /* __UART_S5L8702_H__ */