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提交 c1dcb14e 编写于 作者: S Sergei Shtylyov 提交者： Ralf Baechle
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[MIPS] Alchemy common code style cleanup 

Fix many errors and warnings given by checkpatch.pl:

- use of C99 // comments;

- missing space between the type and asterisk in a variable declaration;

- space between the asterisk and function/variable name;

- leading spaces instead of tabs;

- space after opening and before closing parentheses;

- initialization of a 'static' variable to 0;

- missing spaces around assignement/comparison operator;

- brace not on the same line with condition (or 'else') in the 'if'/'switch'
  statement;

- missing space between 'if'/'for'/'while' and opening parenthesis;

- use of assignement in 'if' statement's condition;

- printk() without KERN_* facility level;

- EXPORT_SYMBOL() not following its function immediately;

- unnecessary braces for single-statement block;

- adding new 'typedef' (where including <linux/types.h> will do);

- use of 'extern' in the .c file (where it can be avoided by including header);

- line over 80 characters.

In addition to these changes, also do the following:

- insert missing space after opening brace and/or before closing brace in the
  structure initializers;

- insert spaces between operator and its operands;

- put the function's result type and name/parameters on the same line;

- properly indent multi-line expressions;

- remove commented out code;

- remove useless initializers and code;

- remove needless parentheses;

- fix broken/excess indentation;

- add missing spaces between operator and its operands;

- insert missing and remove excess new lines;

- group 'else' and 'if' together where possible;

- make au1xxx_platform_init() 'static';

- regroup variable declarations in pm_do_freq() for prettier look;

- replace numeric literals with the matching macros;

- fix printk() format specifiers mismatching the argument types;

- make the multi-line comment style consistent with the kernel style elsewhere
  by adding empty first line and/or adding space on their left side;

- make two-line comments that only have one line of text one-line;

- fix typos/errors, capitalize acronyms, etc. in the comments;

- fix/remove obsolete references in the comments;

- reformat some comments;

- add comment about the CPU:counter clock ratio to calc_clock();

- update MontaVista copyright;

- remove Pete Popov's and Steve Longerbeam's old email addresses...
Signed-off-by: NSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
上级 ff6814d5
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arch/mips/au1000/common/Makefile
浏览文件 @ c1dcb14e
#
# Copyright 2000 MontaVista Software Inc.
# Author: MontaVista Software, Inc.
# ppopov@mvista.com or source@mvista.com
# Copyright 2000, 2008 MontaVista Software Inc.
# Author: MontaVista Software, Inc. <source@mvista.com>
#
# Makefile for the Alchemy Au1000 CPU, generic files.
# Makefile for the Alchemy Au1xx0 CPUs, generic files.
#
obj-y += prom.o irq.o puts.o time.o reset.o \
......
arch/mips/au1000/common/au1xxx_irqmap.c
浏览文件 @ c1dcb14e
......@@ -40,20 +40,20 @@
struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
#if defined(CONFIG_SOC_AU1000)
{ AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_UART1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_UART2_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_UART1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_UART2_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_UART3_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
......@@ -62,32 +62,32 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
{ AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 },
#elif defined(CONFIG_SOC_AU1500)
{ AU1500_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_PCI_INTA, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_PCI_INTB, INTC_INT_LOW_LEVEL, 0 },
{ AU1500_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_UART3_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_PCI_INTC, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_PCI_INTD, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
......@@ -100,26 +100,26 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
{ AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1500_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1500_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1500_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 },
#elif defined(CONFIG_SOC_AU1100)
{ AU1100_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1100_UART1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1100_SD_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1100_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0},
{ AU1100_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1100_UART1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1100_SD_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1100_UART3_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_SSI0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_SSI1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+1, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+2, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+3, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+4, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+5, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+6, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_DMA_INT_BASE+7, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
......@@ -128,33 +128,33 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
{ AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1000_IRDA_TX_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_IRDA_RX_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
{ AU1000_ACSYNC_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1100_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
/*{ AU1000_GPIO215_208_INT, INTC_INT_HIGH_LEVEL, 0},*/
{ AU1100_LCD_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1100_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
/* { AU1000_GPIO215_208_INT, INTC_INT_HIGH_LEVEL, 0 }, */
{ AU1100_LCD_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_AC97C_INT, INTC_INT_RISE_EDGE, 0 },
#elif defined(CONFIG_SOC_AU1550)
{ AU1550_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_PCI_INTA, INTC_INT_LOW_LEVEL, 0 },
{ AU1550_PCI_INTB, INTC_INT_LOW_LEVEL, 0 },
{ AU1550_DDMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_CRYPTO_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_DDMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_CRYPTO_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_PCI_INTC, INTC_INT_LOW_LEVEL, 0 },
{ AU1550_PCI_INTD, INTC_INT_LOW_LEVEL, 0 },
{ AU1550_PCI_RST_INT, INTC_INT_LOW_LEVEL, 0 },
{ AU1550_UART1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_UART3_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_PSC0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_UART1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_UART3_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_PSC0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_PSC1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_PSC2_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_PSC3_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
......@@ -163,26 +163,26 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
{ AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0},
{ AU1550_NAND_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_USB_DEV_REQ_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_USB_DEV_SUS_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1550_USB_HOST_INT, INTC_INT_LOW_LEVEL, 0 },
{ AU1550_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1550_MAC0_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1550_MAC1_DMA_INT, INTC_INT_HIGH_LEVEL, 0 },
#elif defined(CONFIG_SOC_AU1200)
{ AU1200_UART0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_UART0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_SWT_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_SD_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_DDMA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_SD_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_DDMA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_MAE_BE_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_UART1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_UART1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_MAE_FE_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_PSC0_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_PSC0_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_PSC1_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_AES_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_CAMERA_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1000_TOY_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_TOY_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
......@@ -191,10 +191,10 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
{ AU1000_RTC_MATCH0_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH1_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1000_RTC_MATCH2_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0},
{ AU1200_NAND_INT, INTC_INT_RISE_EDGE, 0 },
{ AU1200_USB_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_MAE_BOTH_INT, INTC_INT_HIGH_LEVEL, 0},
{ AU1200_LCD_INT, INTC_INT_HIGH_LEVEL, 0 },
{ AU1200_MAE_BOTH_INT, INTC_INT_HIGH_LEVEL, 0 },
#else
#error "Error: Unknown Alchemy SOC"
......@@ -203,4 +203,3 @@ struct au1xxx_irqmap __initdata au1xxx_ic0_map[] = {
};
int __initdata au1xxx_ic0_nr_irqs = ARRAY_SIZE(au1xxx_ic0_map);
arch/mips/au1000/common/clocks.c
浏览文件 @ c1dcb14e
/*
* BRIEF MODULE DESCRIPTION
* Simple Au1000 clocks routines.
* Simple Au1xx0 clocks routines.
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* 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
......@@ -30,8 +29,8 @@
#include <linux/module.h>
#include <asm/mach-au1x00/au1000.h>
static unsigned int au1x00_clock; // Hz
static unsigned int lcd_clock; // KHz
static unsigned int au1x00_clock; /* Hz */
static unsigned int lcd_clock; /* KHz */
static unsigned long uart_baud_base;
/*
......@@ -47,8 +46,6 @@ unsigned int get_au1x00_speed(void)
return au1x00_clock;
}
/*
* The UART baud base is not known at compile time ... if
* we want to be able to use the same code on different
......@@ -73,24 +70,23 @@ void set_au1x00_uart_baud_base(unsigned long new_baud_base)
void set_au1x00_lcd_clock(void)
{
unsigned int static_cfg0;
unsigned int sys_busclk =
(get_au1x00_speed()/1000) /
((int)(au_readl(SYS_POWERCTRL)&0x03) + 2);
unsigned int sys_busclk = (get_au1x00_speed() / 1000) /
((int)(au_readl(SYS_POWERCTRL) & 0x03) + 2);
static_cfg0 = au_readl(MEM_STCFG0);
if (static_cfg0 & (1<<11))
if (static_cfg0 & (1 << 11))
lcd_clock = sys_busclk / 5; /* note: BCLK switching fails with D5 */
else
lcd_clock = sys_busclk / 4;
if (lcd_clock > 50000) /* Epson MAX */
printk("warning: LCD clock too high (%d KHz)\n", lcd_clock);
printk(KERN_WARNING "warning: LCD clock too high (%u KHz)\n",
lcd_clock);
}
unsigned int get_au1x00_lcd_clock(void)
{
return lcd_clock;
}
EXPORT_SYMBOL(get_au1x00_lcd_clock);
arch/mips/au1000/common/cputable.c
浏览文件 @ c1dcb14e
......@@ -14,7 +14,7 @@
#include <asm/mach-au1x00/au1000.h>
struct cpu_spec* cur_cpu_spec[NR_CPUS];
struct cpu_spec *cur_cpu_spec[NR_CPUS];
/* With some thought, we can probably use the mask to reduce the
* size of the table.
......@@ -39,8 +39,7 @@ struct cpu_spec cpu_specs[] = {
{ 0x00000000, 0x00000000, "Unknown Au1xxx", 1, 0, 0 }
};
void
set_cpuspec(void)
void set_cpuspec(void)
{
struct cpu_spec *sp;
u32 prid;
......
arch/mips/au1000/common/dbdma.c
浏览文件 @ c1dcb14e
此差异已折叠。
arch/mips/au1000/common/dbg_io.c
浏览文件 @ c1dcb14e
#include <linux/types.h>
#include <asm/mach-au1x00/au1000.h>
......@@ -8,12 +9,6 @@
* uart to be used for debugging.
*/
#define DEBUG_BASE UART_DEBUG_BASE
/**/
/* we need uint32 uint8 */
/* #include "types.h" */
typedef unsigned char uint8;
typedef unsigned int uint32;
#define UART16550_BAUD_2400 2400
#define UART16550_BAUD_4800 4800
......@@ -51,17 +46,15 @@ typedef unsigned int uint32;
#define UART_MOD_CNTRL 0x100 /* Module Control */
/* memory-mapped read/write of the port */
#define UART16550_READ(y) (au_readl(DEBUG_BASE + y) & 0xff)
#define UART16550_WRITE(y, z) (au_writel(z&0xff, DEBUG_BASE + y))
#define UART16550_READ(y) (au_readl(DEBUG_BASE + y) & 0xff)
#define UART16550_WRITE(y, z) (au_writel(z & 0xff, DEBUG_BASE + y))
extern unsigned long calc_clock(void);
void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
void debugInit(u32 baud, u8 data, u8 parity, u8 stop)
{
if (UART16550_READ(UART_MOD_CNTRL) != 0x3) {
if (UART16550_READ(UART_MOD_CNTRL) != 0x3)
UART16550_WRITE(UART_MOD_CNTRL, 3);
}
calc_clock();
/* disable interrupts */
......@@ -69,7 +62,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
/* set up baud rate */
{
uint32 divisor;
u32 divisor;
/* set divisor */
divisor = get_au1x00_uart_baud_base() / baud;
......@@ -80,9 +73,9 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
UART16550_WRITE(UART_LCR, (data | parity | stop));
}
static int remoteDebugInitialized = 0;
static int remoteDebugInitialized;
uint8 getDebugChar(void)
u8 getDebugChar(void)
{
if (!remoteDebugInitialized) {
remoteDebugInitialized = 1;
......@@ -92,15 +85,13 @@ uint8 getDebugChar(void)
UART16550_STOP_1BIT);
}
while((UART16550_READ(UART_LSR) & 0x1) == 0);
while ((UART16550_READ(UART_LSR) & 0x1) == 0);
return UART16550_READ(UART_RX);
}
int putDebugChar(uint8 byte)
int putDebugChar(u8 byte)
{
// int i;
if (!remoteDebugInitialized) {
remoteDebugInitialized = 1;
debugInit(UART16550_BAUD_115200,
......@@ -109,9 +100,8 @@ int putDebugChar(uint8 byte)
UART16550_STOP_1BIT);
}
while ((UART16550_READ(UART_LSR)&0x40) == 0);
while ((UART16550_READ(UART_LSR) & 0x40) == 0);
UART16550_WRITE(UART_TX, byte);
//for (i=0;i<0xfff;i++);
return 1;
}
......
arch/mips/au1000/common/dma.c
浏览文件 @ c1dcb14e
/*
*
* BRIEF MODULE DESCRIPTION
* A DMA channel allocator for Au1000. API is modeled loosely off of
* A DMA channel allocator for Au1x00. API is modeled loosely off of
* linux/kernel/dma.c.
*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* stevel@mvista.com or source@mvista.com
* Copyright 2000, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
* Copyright (C) 2005 Ralf Baechle (ralf@linux-mips.org)
*
* This program is free software; you can redistribute it and/or modify it
......@@ -39,7 +38,8 @@
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/au1000_dma.h>
#if defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1500) || defined(CONFIG_SOC_AU1100)
#if defined(CONFIG_SOC_AU1000) || defined(CONFIG_SOC_AU1500) || \
defined(CONFIG_SOC_AU1100)
/*
* A note on resource allocation:
*
......@@ -56,7 +56,6 @@
* returned from request_dma.
*/
DEFINE_SPINLOCK(au1000_dma_spin_lock);
struct dma_chan au1000_dma_table[NUM_AU1000_DMA_CHANNELS] = {
......@@ -71,7 +70,7 @@ struct dma_chan au1000_dma_table[NUM_AU1000_DMA_CHANNELS] = {
};
EXPORT_SYMBOL(au1000_dma_table);
// Device FIFO addresses and default DMA modes
/* Device FIFO addresses and default DMA modes */
static const struct dma_dev {
unsigned int fifo_addr;
unsigned int dma_mode;
......@@ -80,8 +79,8 @@ static const struct dma_dev {
{UART0_ADDR + UART_RX, 0},
{0, 0},
{0, 0},
{AC97C_DATA, DMA_DW16 }, // coherent
{AC97C_DATA, DMA_DR | DMA_DW16 }, // coherent
{AC97C_DATA, DMA_DW16 }, /* coherent */
{AC97C_DATA, DMA_DR | DMA_DW16 }, /* coherent */
{UART3_ADDR + UART_TX, DMA_DW8 | DMA_NC},
{UART3_ADDR + UART_RX, DMA_DR | DMA_DW8 | DMA_NC},
{USBD_EP0RD, DMA_DR | DMA_DW8 | DMA_NC},
......@@ -101,10 +100,10 @@ int au1000_dma_read_proc(char *buf, char **start, off_t fpos,
struct dma_chan *chan;
for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) {
if ((chan = get_dma_chan(i)) != NULL) {
chan = get_dma_chan(i);
if (chan != NULL)
len += sprintf(buf + len, "%2d: %s\n",
i, chan->dev_str);
}
}
if (fpos >= len) {
......@@ -113,18 +112,19 @@ int au1000_dma_read_proc(char *buf, char **start, off_t fpos,
return 0;
}
*start = buf + fpos;
if ((len -= fpos) > length)
len -= fpos;
if (len > length)
return length;
*eof = 1;
return len;
}
// Device FIFO addresses and default DMA modes - 2nd bank
/* Device FIFO addresses and default DMA modes - 2nd bank */
static const struct dma_dev dma_dev_table_bank2[DMA_NUM_DEV_BANK2] = {
{SD0_XMIT_FIFO, DMA_DS | DMA_DW8}, // coherent
{SD0_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8}, // coherent
{SD1_XMIT_FIFO, DMA_DS | DMA_DW8}, // coherent
{SD1_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8} // coherent
{ SD0_XMIT_FIFO, DMA_DS | DMA_DW8 }, /* coherent */
{ SD0_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8 }, /* coherent */
{ SD1_XMIT_FIFO, DMA_DS | DMA_DW8 }, /* coherent */
{ SD1_RECV_FIFO, DMA_DS | DMA_DR | DMA_DW8 } /* coherent */
};
void dump_au1000_dma_channel(unsigned int dmanr)
......@@ -150,7 +150,6 @@ void dump_au1000_dma_channel(unsigned int dmanr)
au_readl(chan->io + DMA_BUFFER1_COUNT));
}
/*
* Finds a free channel, and binds the requested device to it.
* Returns the allocated channel number, or negative on error.
......@@ -169,14 +168,14 @@ int request_au1000_dma(int dev_id, const char *dev_str,
if (dev_id < 0 || dev_id >= (DMA_NUM_DEV + DMA_NUM_DEV_BANK2))
return -EINVAL;
#else
if (dev_id < 0 || dev_id >= DMA_NUM_DEV)
if (dev_id < 0 || dev_id >= DMA_NUM_DEV)
return -EINVAL;
#endif
for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++) {
for (i = 0; i < NUM_AU1000_DMA_CHANNELS; i++)
if (au1000_dma_table[i].dev_id < 0)
break;
}
if (i == NUM_AU1000_DMA_CHANNELS)
return -ENODEV;
......@@ -185,15 +184,15 @@ int request_au1000_dma(int dev_id, const char *dev_str,
if (dev_id >= DMA_NUM_DEV) {
dev_id -= DMA_NUM_DEV;
dev = &dma_dev_table_bank2[dev_id];
} else {
} else
dev = &dma_dev_table[dev_id];
}
if (irqhandler) {
chan->irq = AU1000_DMA_INT_BASE + i;
chan->irq_dev = irq_dev_id;
if ((ret = request_irq(chan->irq, irqhandler, irqflags,
dev_str, chan->irq_dev))) {
ret = request_irq(chan->irq, irqhandler, irqflags, dev_str,
chan->irq_dev);
if (ret) {
chan->irq = 0;
chan->irq_dev = NULL;
return ret;
......@@ -203,7 +202,7 @@ int request_au1000_dma(int dev_id, const char *dev_str,
chan->irq_dev = NULL;
}
// fill it in
/* fill it in */
chan->io = DMA_CHANNEL_BASE + i * DMA_CHANNEL_LEN;
chan->dev_id = dev_id;
chan->dev_str = dev_str;
......@@ -220,8 +219,9 @@ EXPORT_SYMBOL(request_au1000_dma);
void free_au1000_dma(unsigned int dmanr)
{
struct dma_chan *chan = get_dma_chan(dmanr);
if (!chan) {
printk("Trying to free DMA%d\n", dmanr);
printk(KERN_ERR "Error trying to free DMA%d\n", dmanr);
return;
}
......@@ -235,4 +235,4 @@ void free_au1000_dma(unsigned int dmanr)
}
EXPORT_SYMBOL(free_au1000_dma);
#endif // AU1000 AU1500 AU1100
#endif /* AU1000 AU1500 AU1100 */
arch/mips/au1000/common/gpio.c
浏览文件 @ c1dcb14e
......@@ -69,7 +69,7 @@ static int au1xxx_gpio2_direction_output(unsigned gpio, int value)
static int au1xxx_gpio1_read(unsigned gpio)
{
return ((gpio1->pinstaterd >> gpio) & 0x01);
return (gpio1->pinstaterd >> gpio) & 0x01;
}
static void au1xxx_gpio1_write(unsigned gpio, int value)
......@@ -104,7 +104,6 @@ int au1xxx_gpio_get_value(unsigned gpio)
else
return au1xxx_gpio1_read(gpio);
}
EXPORT_SYMBOL(au1xxx_gpio_get_value);
void au1xxx_gpio_set_value(unsigned gpio, int value)
......@@ -118,7 +117,6 @@ void au1xxx_gpio_set_value(unsigned gpio, int value)
else
au1xxx_gpio1_write(gpio, value);
}
EXPORT_SYMBOL(au1xxx_gpio_set_value);
int au1xxx_gpio_direction_input(unsigned gpio)
......@@ -132,7 +130,6 @@ int au1xxx_gpio_direction_input(unsigned gpio)
return au1xxx_gpio1_direction_input(gpio);
}
EXPORT_SYMBOL(au1xxx_gpio_direction_input);
int au1xxx_gpio_direction_output(unsigned gpio, int value)
......@@ -146,5 +143,4 @@ int au1xxx_gpio_direction_output(unsigned gpio, int value)
return au1xxx_gpio1_direction_output(gpio, value);
}
EXPORT_SYMBOL(au1xxx_gpio_direction_output);
arch/mips/au1000/common/irq.c
浏览文件 @ c1dcb14e
......@@ -210,10 +210,8 @@ static inline void mask_and_ack_either_edge_irq(unsigned int irq_nr)
au_sync();
}
static inline void mask_and_ack_level_irq(unsigned int irq_nr)
{
local_disable_irq(irq_nr);
au_sync();
#if defined(CONFIG_MIPS_PB1000)
......@@ -263,14 +261,14 @@ void restore_local_and_enable(int controller, unsigned long mask)
unsigned long flags, new_mask;
spin_lock_irqsave(&irq_lock, flags);
for (i = 0; i < 32; i++) {
for (i = 0; i < 32; i++)
if (mask & (1 << i)) {
if (controller)
local_enable_irq(i + 32);
else
local_enable_irq(i);
}
}
if (controller)
new_mask = au_readl(IC1_MASKSET);
else
......
arch/mips/au1000/common/pci.c
浏览文件 @ c1dcb14e
......@@ -2,9 +2,8 @@
* BRIEF MODULE DESCRIPTION
* Alchemy/AMD Au1x00 PCI support.
*
* Copyright 2001-2003, 2007 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001-2003, 2007-2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* Copyright (C) 2004 by Ralf Baechle (ralf@linux-mips.org)
*
......@@ -86,9 +85,9 @@ static int __init au1x_pci_setup(void)
u32 prid = read_c0_prid();
if ((prid & 0xFF000000) == 0x01000000 && prid < 0x01030202) {
au_writel((1 << 16) | au_readl(Au1500_PCI_CFG),
Au1500_PCI_CFG);
printk("Non-coherent PCI accesses enabled\n");
au_writel((1 << 16) | au_readl(Au1500_PCI_CFG),
Au1500_PCI_CFG);
printk(KERN_INFO "Non-coherent PCI accesses enabled\n");
}
}
#endif
......
arch/mips/au1000/common/platform.c
浏览文件 @ c1dcb14e
......@@ -302,16 +302,17 @@ static struct platform_device *au1xxx_platform_devices[] __initdata = {
#endif
};
int __init au1xxx_platform_init(void)
static int __init au1xxx_platform_init(void)
{
unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
int i;
/* Fill up uartclk. */
for (i = 0; au1x00_uart_data[i].flags ; i++)
for (i = 0; au1x00_uart_data[i].flags; i++)
au1x00_uart_data[i].uartclk = uartclk;
return platform_add_devices(au1xxx_platform_devices, ARRAY_SIZE(au1xxx_platform_devices));
return platform_add_devices(au1xxx_platform_devices,
ARRAY_SIZE(au1xxx_platform_devices));
}
arch_initcall(au1xxx_platform_init);
arch/mips/au1000/common/power.c
浏览文件 @ c1dcb14e
/*
* BRIEF MODULE DESCRIPTION
* Au1000 Power Management routines.
* Au1xx0 Power Management routines.
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* Some of the routines are right out of init/main.c, whose
* copyrights apply here.
......@@ -43,10 +42,10 @@
#ifdef CONFIG_PM
#define DEBUG 1
#ifdef DEBUG
# define DPRINTK(fmt, args...) printk("%s: " fmt, __func__, ## args)
#ifdef DEBUG
#define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __func__, ## args)
#else
# define DPRINTK(fmt, args...)
#define DPRINTK(fmt, args...)
#endif
static void au1000_calibrate_delay(void);
......@@ -57,7 +56,8 @@ extern void local_enable_irq(unsigned int irq_nr);
static DEFINE_SPINLOCK(pm_lock);
/* We need to save/restore a bunch of core registers that are
/*
* We need to save/restore a bunch of core registers that are
* either volatile or reset to some state across a processor sleep.
* If reading a register doesn't provide a proper result for a
* later restore, we have to provide a function for loading that
......@@ -78,24 +78,25 @@ static unsigned int sleep_usbhost_enable;
static unsigned int sleep_usbdev_enable;
static unsigned int sleep_static_memctlr[4][3];
/* Define this to cause the value you write to /proc/sys/pm/sleep to
/*
* Define this to cause the value you write to /proc/sys/pm/sleep to
* set the TOY timer for the amount of time you want to sleep.
* This is done mainly for testing, but may be useful in other cases.
* The value is number of 32KHz ticks to sleep.
*/
#define SLEEP_TEST_TIMEOUT 1
#ifdef SLEEP_TEST_TIMEOUT
static int sleep_ticks;
#ifdef SLEEP_TEST_TIMEOUT
static int sleep_ticks;
void wakeup_counter0_set(int ticks);
#endif
static void
save_core_regs(void)
static void save_core_regs(void)
{
extern void save_au1xxx_intctl(void);
extern void pm_eth0_shutdown(void);
/* Do the serial ports.....these really should be a pm_*
/*
* Do the serial ports.....these really should be a pm_*
* registered function by the driver......but of course the
* standard serial driver doesn't understand our Au1xxx
* unique registers.
......@@ -106,27 +107,24 @@ save_core_regs(void)
sleep_uart0_clkdiv = au_readl(UART0_ADDR + UART_CLK);
sleep_uart0_enable = au_readl(UART0_ADDR + UART_MOD_CNTRL);
/* Shutdown USB host/device.
*/
/* Shutdown USB host/device. */
sleep_usbhost_enable = au_readl(USB_HOST_CONFIG);
/* There appears to be some undocumented reset register....
*/
/* There appears to be some undocumented reset register.... */
au_writel(0, 0xb0100004); au_sync();
au_writel(0, USB_HOST_CONFIG); au_sync();
sleep_usbdev_enable = au_readl(USBD_ENABLE);
au_writel(0, USBD_ENABLE); au_sync();
/* Save interrupt controller state.
*/
/* Save interrupt controller state. */
save_au1xxx_intctl();
/* Clocks and PLLs.
*/
/* Clocks and PLLs. */
sleep_aux_pll_cntrl = au_readl(SYS_AUXPLL);
/* We don't really need to do this one, but unless we
/*
* We don't really need to do this one, but unless we
* write it again it won't have a valid value if we
* happen to read it.
*/
......@@ -134,8 +132,7 @@ save_core_regs(void)
sleep_pin_function = au_readl(SYS_PINFUNC);
/* Save the static memory controller configuration.
*/
/* Save the static memory controller configuration. */
sleep_static_memctlr[0][0] = au_readl(MEM_STCFG0);
sleep_static_memctlr[0][1] = au_readl(MEM_STTIME0);
sleep_static_memctlr[0][2] = au_readl(MEM_STADDR0);
......@@ -150,8 +147,7 @@ save_core_regs(void)
sleep_static_memctlr[3][2] = au_readl(MEM_STADDR3);
}
static void
restore_core_regs(void)
static void restore_core_regs(void)
{
extern void restore_au1xxx_intctl(void);
extern void wakeup_counter0_adjust(void);
......@@ -160,8 +156,7 @@ restore_core_regs(void)
au_writel(sleep_cpu_pll_cntrl, SYS_CPUPLL); au_sync();
au_writel(sleep_pin_function, SYS_PINFUNC); au_sync();
/* Restore the static memory controller configuration.
*/
/* Restore the static memory controller configuration. */
au_writel(sleep_static_memctlr[0][0], MEM_STCFG0);
au_writel(sleep_static_memctlr[0][1], MEM_STTIME0);
au_writel(sleep_static_memctlr[0][2], MEM_STADDR0);
......@@ -175,7 +170,8 @@ restore_core_regs(void)
au_writel(sleep_static_memctlr[3][1], MEM_STTIME3);
au_writel(sleep_static_memctlr[3][2], MEM_STADDR3);
/* Enable the UART if it was enabled before sleep.
/*
* Enable the UART if it was enabled before sleep.
* I guess I should define module control bits........
*/
if (sleep_uart0_enable & 0x02) {
......@@ -202,7 +198,7 @@ void wakeup_from_suspend(void)
int au_sleep(void)
{
unsigned long wakeup, flags;
extern void save_and_sleep(void);
extern void save_and_sleep(void);
spin_lock_irqsave(&pm_lock, flags);
......@@ -210,23 +206,22 @@ int au_sleep(void)
flush_cache_all();
/** The code below is all system dependent and we should probably
/**
** The code below is all system dependent and we should probably
** have a function call out of here to set this up. You need
** to configure the GPIO or timer interrupts that will bring
** you out of sleep.
** For testing, the TOY counter wakeup is useful.
**/
#if 0
au_writel(au_readl(SYS_PINSTATERD) & ~(1 << 11), SYS_PINSTATERD);
/* gpio 6 can cause a wake up event */
/* GPIO 6 can cause a wake up event */
wakeup = au_readl(SYS_WAKEMSK);
wakeup &= ~(1 << 8); /* turn off match20 wakeup */
wakeup |= 1 << 6; /* turn on gpio 6 wakeup */
wakeup |= 1 << 6; /* turn on GPIO 6 wakeup */
#else
/* For testing, allow match20 to wake us up.
*/
/* For testing, allow match20 to wake us up. */
#ifdef SLEEP_TEST_TIMEOUT
wakeup_counter0_set(sleep_ticks);
#endif
......@@ -240,7 +235,8 @@ int au_sleep(void)
save_and_sleep();
/* after a wakeup, the cpu vectors back to 0x1fc00000 so
/*
* After a wakeup, the cpu vectors back to 0x1fc00000, so
* it's up to the boot code to get us back here.
*/
restore_core_regs();
......@@ -248,24 +244,22 @@ int au_sleep(void)
return 0;
}
static int pm_do_sleep(ctl_table * ctl, int write, struct file *file,
void __user *buffer, size_t * len, loff_t *ppos)
static int pm_do_sleep(ctl_table *ctl, int write, struct file *file,
void __user *buffer, size_t *len, loff_t *ppos)
{
#ifdef SLEEP_TEST_TIMEOUT
#define TMPBUFLEN2 16
char buf[TMPBUFLEN2], *p;
#endif
if (!write) {
if (!write)
*len = 0;
} else {
else {
#ifdef SLEEP_TEST_TIMEOUT
if (*len > TMPBUFLEN2 - 1) {
if (*len > TMPBUFLEN2 - 1)
return -EFAULT;
}
if (copy_from_user(buf, buffer, *len)) {
if (copy_from_user(buf, buffer, *len))
return -EFAULT;
}
buf[*len] = 0;
p = buf;
sleep_ticks = simple_strtoul(p, &p, 0);
......@@ -276,8 +270,8 @@ static int pm_do_sleep(ctl_table * ctl, int write, struct file *file,
return 0;
}
static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
void __user *buffer, size_t * len, loff_t *ppos)
static int pm_do_freq(ctl_table *ctl, int write, struct file *file,
void __user *buffer, size_t *len, loff_t *ppos)
{
int retval = 0, i;
unsigned long val, pll;
......@@ -285,14 +279,14 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
#define MAX_CPU_FREQ 396
char buf[TMPBUFLEN], *p;
unsigned long flags, intc0_mask, intc1_mask;
unsigned long old_baud_base, old_cpu_freq, baud_rate, old_clk,
old_refresh;
unsigned long old_baud_base, old_cpu_freq, old_clk, old_refresh;
unsigned long new_baud_base, new_cpu_freq, new_clk, new_refresh;
unsigned long baud_rate;
spin_lock_irqsave(&pm_lock, flags);
if (!write) {
if (!write)
*len = 0;
} else {
else {
/* Parse the new frequency */
if (*len > TMPBUFLEN - 1) {
spin_unlock_irqrestore(&pm_lock, flags);
......@@ -312,7 +306,7 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
pll = val / 12;
if ((pll > 33) || (pll < 7)) { /* 396 MHz max, 84 MHz min */
/* revisit this for higher speed cpus */
/* Revisit this for higher speed CPUs */
spin_unlock_irqrestore(&pm_lock, flags);
return -EFAULT;
}
......@@ -321,30 +315,28 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
old_cpu_freq = get_au1x00_speed();
new_cpu_freq = pll * 12 * 1000000;
new_baud_base = (new_cpu_freq / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16));
new_baud_base = (new_cpu_freq / (2 * ((int)(au_readl(SYS_POWERCTRL)
& 0x03) + 2) * 16));
set_au1x00_speed(new_cpu_freq);
set_au1x00_uart_baud_base(new_baud_base);
old_refresh = au_readl(MEM_SDREFCFG) & 0x1ffffff;
new_refresh =
((old_refresh * new_cpu_freq) /
old_cpu_freq) | (au_readl(MEM_SDREFCFG) & ~0x1ffffff);
new_refresh = ((old_refresh * new_cpu_freq) / old_cpu_freq) |
(au_readl(MEM_SDREFCFG) & ~0x1ffffff);
au_writel(pll, SYS_CPUPLL);
au_sync_delay(1);
au_writel(new_refresh, MEM_SDREFCFG);
au_sync_delay(1);
for (i = 0; i < 4; i++) {
if (au_readl
(UART_BASE + UART_MOD_CNTRL +
i * 0x00100000) == 3) {
old_clk =
au_readl(UART_BASE + UART_CLK +
i * 0x00100000);
// baud_rate = baud_base/clk
for (i = 0; i < 4; i++)
if (au_readl(UART_BASE + UART_MOD_CNTRL +
i * 0x00100000) == 3) {
old_clk = au_readl(UART_BASE + UART_CLK +
i * 0x00100000);
baud_rate = old_baud_base / old_clk;
/* we won't get an exact baud rate and the error
/*
* We won't get an exact baud rate and the error
* could be significant enough that our new
* calculation will result in a clock that will
* give us a baud rate that's too far off from
......@@ -359,18 +351,14 @@ static int pm_do_freq(ctl_table * ctl, int write, struct file *file,
else if (baud_rate > 17000)
baud_rate = 19200;
else
(baud_rate = 9600);
// new_clk = new_baud_base/baud_rate
baud_rate = 9600;
new_clk = new_baud_base / baud_rate;
au_writel(new_clk,
UART_BASE + UART_CLK +
i * 0x00100000);
au_writel(new_clk, UART_BASE + UART_CLK +
i * 0x00100000);
au_sync_delay(10);
}
}
}
/*
* We don't want _any_ interrupts other than match20. Otherwise our
* au1000_calibrate_delay() calculation will be off, potentially a lot.
......@@ -428,14 +416,15 @@ static int __init pm_init(void)
__initcall(pm_init);
/*
* This is right out of init/main.c
*/
/* This is the number of bits of precision for the loops_per_jiffy. Each
bit takes on average 1.5/HZ seconds. This (like the original) is a little
better than 1% */
/*
* This is the number of bits of precision for the loops_per_jiffy.
* Each bit takes on average 1.5/HZ seconds. This (like the original)
* is a little better than 1%.
*/
#define LPS_PREC 8
static void au1000_calibrate_delay(void)
......@@ -443,14 +432,14 @@ static void au1000_calibrate_delay(void)
unsigned long ticks, loopbit;
int lps_precision = LPS_PREC;
loops_per_jiffy = (1 << 12);
loops_per_jiffy = 1 << 12;
while (loops_per_jiffy <<= 1) {
/* wait for "start of" clock tick */
/* Wait for "start of" clock tick */
ticks = jiffies;
while (ticks == jiffies)
/* nothing */ ;
/* Go .. */
/* Go ... */
ticks = jiffies;
__delay(loops_per_jiffy);
ticks = jiffies - ticks;
......@@ -458,8 +447,10 @@ static void au1000_calibrate_delay(void)
break;
}
/* Do a binary approximation to get loops_per_jiffy set to equal one clock
(up to lps_precision bits) */
/*
* Do a binary approximation to get loops_per_jiffy set to be equal
* one clock (up to lps_precision bits)
*/
loops_per_jiffy >>= 1;
loopbit = loops_per_jiffy;
while (lps_precision-- && (loopbit >>= 1)) {
......@@ -472,4 +463,4 @@ static void au1000_calibrate_delay(void)
loops_per_jiffy &= ~loopbit;
}
}
#endif /* CONFIG_PM */
#endif /* CONFIG_PM */
arch/mips/au1000/common/prom.c
浏览文件 @ c1dcb14e
......@@ -3,9 +3,8 @@
* BRIEF MODULE DESCRIPTION
* PROM library initialisation code, supports YAMON and U-Boot.
*
* Copyright 2000, 2001, 2006 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2000-2001, 2006, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* This file was derived from Carsten Langgaard's
* arch/mips/mips-boards/xx files.
......@@ -57,7 +56,7 @@ void prom_init_cmdline(void)
actr = 1; /* Always ignore argv[0] */
cp = &(arcs_cmdline[0]);
while(actr < prom_argc) {
while (actr < prom_argc) {
strcpy(cp, prom_argv[actr]);
cp += strlen(prom_argv[actr]);
*cp++ = ' ';
......@@ -84,10 +83,8 @@ char *prom_getenv(char *envname)
if (yamon) {
if (strcmp(envname, *env++) == 0)
return *env;
} else {
if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=')
return *env + i + 1;
}
} else if (strncmp(envname, *env, i) == 0 && (*env)[i] == '=')
return *env + i + 1;
env++;
}
......@@ -110,13 +107,13 @@ static inline void str2eaddr(unsigned char *ea, unsigned char *str)
{
int i;
for(i = 0; i < 6; i++) {
for (i = 0; i < 6; i++) {
unsigned char num;
if((*str == '.') || (*str == ':'))
if ((*str == '.') || (*str == ':'))
str++;
num = str2hexnum(*str++) << 4;
num |= (str2hexnum(*str++));
num = str2hexnum(*str++) << 4;
num |= str2hexnum(*str++);
ea[i] = num;
}
}
......
arch/mips/au1000/common/puts.c
浏览文件 @ c1dcb14e
/*
*
* BRIEF MODULE DESCRIPTION
* Low level uart routines to directly access a 16550 uart.
* Low level UART routines to directly access Alchemy UART.
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* 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
......@@ -40,12 +39,12 @@
static volatile unsigned long * const com1 = (unsigned long *)SERIAL_BASE;
#ifdef SLOW_DOWN
static inline void slow_down(void)
{
int k;
for (k=0; k<10000; k++);
int k;
for (k = 0; k < 10000; k++);
}
#else
#define slow_down()
......@@ -54,16 +53,16 @@ static inline void slow_down(void)
void
prom_putchar(const unsigned char c)
{
unsigned char ch;
int i = 0;
unsigned char ch;
int i = 0;
do {
ch = com1[SER_CMD];
slow_down();
i++;
if (i > TIMEOUT)
break;
} while (0 == (ch & TX_BUSY));
do {
ch = com1[SER_CMD];
slow_down();
i++;
if (i>TIMEOUT) {
break;
}
} while (0 == (ch & TX_BUSY));
com1[SER_DATA] = c;
com1[SER_DATA] = c;
}
arch/mips/au1000/common/reset.c
浏览文件 @ c1dcb14e
/*
*
* BRIEF MODULE DESCRIPTION
* Au1000 reset routines.
* Au1xx0 reset routines.
*
* Copyright 2001 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2001, 2006, 2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com>
*
* 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
......@@ -28,10 +27,11 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <asm/cacheflush.h>
#include <asm/mach-au1x00/au1000.h>
extern int au_sleep(void);
extern void (*flush_cache_all)(void);
void au1000_restart(char *command)
{
......@@ -40,8 +40,8 @@ void au1000_restart(char *command)
u32 prid = read_c0_prid();
printk(KERN_NOTICE "\n** Resetting Integrated Peripherals\n");
switch (prid & 0xFF000000)
{
switch (prid & 0xFF000000) {
case 0x00000000: /* Au1000 */
au_writel(0x02, 0xb0000010); /* ac97_enable */
au_writel(0x08, 0xb017fffc); /* usbh_enable - early errata */
......@@ -138,9 +138,6 @@ void au1000_restart(char *command)
au_writel(0x00, 0xb1900064); /* sys_auxpll */
au_writel(0x00, 0xb1900100); /* sys_pininputen */
break;
default:
break;
}
set_c0_status(ST0_BEV | ST0_ERL);
......@@ -158,25 +155,25 @@ void au1000_restart(char *command)
void au1000_halt(void)
{
#if defined(CONFIG_MIPS_PB1550) || defined(CONFIG_MIPS_DB1550)
/* power off system */
printk("\n** Powering off...\n");
au_writew(au_readw(0xAF00001C) | (3<<14), 0xAF00001C);
/* Power off system */
printk(KERN_NOTICE "\n** Powering off...\n");
au_writew(au_readw(0xAF00001C) | (3 << 14), 0xAF00001C);
au_sync();
while(1); /* should not get here */
while (1); /* should not get here */
#else
printk(KERN_NOTICE "\n** You can safely turn off the power\n");
#ifdef CONFIG_MIPS_MIRAGE
au_writel((1 << 26) | (1 << 10), GPIO2_OUTPUT);
#endif
#ifdef CONFIG_MIPS_DB1200
au_writew(au_readw(0xB980001C) | (1<<14), 0xB980001C);
au_writew(au_readw(0xB980001C) | (1 << 14), 0xB980001C);
#endif
#ifdef CONFIG_PM
au_sleep();
/* should not get here */
printk(KERN_ERR "Unable to put cpu in sleep mode\n");
while(1);
/* Should not get here */
printk(KERN_ERR "Unable to put CPU in sleep mode\n");
while (1);
#else
while (1)
__asm__(".set\tmips3\n\t"
......
arch/mips/au1000/common/setup.c
浏览文件 @ c1dcb14e
/*
* Copyright 2000 MontaVista Software Inc.
* Author: MontaVista Software, Inc.
* ppopov@mvista.com or source@mvista.com
* Copyright 2000, 2007-2008 MontaVista Software Inc.
* Author: MontaVista Software, Inc. <source@mvista.com
*
* Updates to 2.6, Pete Popov, Embedded Alley Solutions, Inc.
*
......@@ -48,7 +47,7 @@ void __init plat_mem_setup(void)
{
struct cpu_spec *sp;
char *argptr;
unsigned long prid, cpufreq, bclk = 1;
unsigned long prid, cpufreq, bclk;
set_cpuspec();
sp = cur_cpu_spec[0];
......@@ -66,42 +65,39 @@ void __init plat_mem_setup(void)
cpufreq = (au_readl(SYS_CPUPLL) & 0x3F) * 12;
printk(KERN_INFO "(PRID %08lx) @ %ld MHz\n", prid, cpufreq);
bclk = sp->cpu_bclk;
if (bclk)
{
if (sp->cpu_bclk) {
/* Enable BCLK switching */
bclk = au_readl(0xB190003C);
au_writel(bclk | 0x60, 0xB190003C);
printk("BCLK switching enabled!\n");
bclk = au_readl(SYS_POWERCTRL);
au_writel(bclk | 0x60, SYS_POWERCTRL);
printk(KERN_INFO "BCLK switching enabled!\n");
}
if (sp->cpu_od) {
/* Various early Au1000 Errata corrected by this */
set_c0_config(1<<19); /* Set Config[OD] */
}
else {
if (sp->cpu_od)
/* Various early Au1xx0 errata corrected by this */
set_c0_config(1 << 19); /* Set Config[OD] */
else
/* Clear to obtain best system bus performance */
clear_c0_config(1<<19); /* Clear Config[OD] */
}
clear_c0_config(1 << 19); /* Clear Config[OD] */
argptr = prom_getcmdline();
#ifdef CONFIG_SERIAL_8250_CONSOLE
if ((argptr = strstr(argptr, "console=")) == NULL) {
argptr = strstr(argptr, "console=");
if (argptr == NULL) {
argptr = prom_getcmdline();
strcat(argptr, " console=ttyS0,115200");
}
#endif
#ifdef CONFIG_FB_AU1100
if ((argptr = strstr(argptr, "video=")) == NULL) {
argptr = prom_getcmdline();
/* default panel */
/*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
}
argptr = strstr(argptr, "video=");
if (argptr == NULL) {
argptr = prom_getcmdline();
/* default panel */
/*strcat(argptr, " video=au1100fb:panel:Sharp_320x240_16");*/
}
#endif
#if defined(CONFIG_SOUND_AU1X00) && !defined(CONFIG_SOC_AU1000)
/* au1000 does not support vra, au1500 and au1100 do */
strcat(argptr, " au1000_audio=vra");
......@@ -129,7 +125,7 @@ void __init plat_mem_setup(void)
/* This routine should be valid for all Au1x based boards */
phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size)
{
/* Don't fixup 36 bit addresses */
/* Don't fixup 36-bit addresses */
if ((phys_addr >> 32) != 0)
return phys_addr;
......@@ -145,17 +141,17 @@ phys_t __fixup_bigphys_addr(phys_t phys_addr, phys_t size)
}
#endif
/* All Au1x SOCs have a pcmcia controller */
/* We setup our 32 bit pseudo addresses to be equal to the
* 36 bit addr >> 4, to make it easier to check the address
/*
* All Au1xx0 SOCs have a PCMCIA controller.
* We setup our 32-bit pseudo addresses to be equal to the
* 36-bit addr >> 4, to make it easier to check the address
* and fix it.
* The Au1x socket 0 phys attribute address is 0xF 4000 0000.
* The PCMCIA socket 0 physical attribute address is 0xF 4000 0000.
* The pseudo address we use is 0xF400 0000. Any address over
* 0xF400 0000 is a pcmcia pseudo address.
* 0xF400 0000 is a PCMCIA pseudo address.
*/
if ((phys_addr >= 0xF4000000) && (phys_addr < 0xFFFFFFFF)) {
if ((phys_addr >= 0xF4000000) && (phys_addr < 0xFFFFFFFF))
return (phys_t)(phys_addr << 4);
}
/* default nop */
return phys_addr;
......
arch/mips/au1000/common/time.c
浏览文件 @ c1dcb14e
......@@ -25,11 +25,9 @@
*
* Setting up the clock on the MIPS boards.
*
* Update. Always configure the kernel with CONFIG_NEW_TIME_C. This
* will use the user interface gettimeofday() functions from the
* arch/mips/kernel/time.c, and we provide the clock interrupt processing
* and the timer offset compute functions. If CONFIG_PM is selected,
* we also ensure the 32KHz timer is available. -- Dan
* We provide the clock interrupt processing and the timer offset compute
* functions. If CONFIG_PM is selected, we also ensure the 32KHz timer is
* available. -- Dan
*/
#include <linux/types.h>
......@@ -47,8 +45,7 @@ extern int allow_au1k_wait; /* default off for CP0 Counter */
#if HZ < 100 || HZ > 1000
#error "unsupported HZ value! Must be in [100,1000]"
#endif
#define MATCH20_INC (328*100/HZ) /* magic number 328 is for HZ=100... */
extern void startup_match20_interrupt(irq_handler_t handler);
#define MATCH20_INC (328 * 100 / HZ) /* magic number 328 is for HZ=100... */
static unsigned long last_pc0, last_match20;
#endif
......@@ -61,7 +58,7 @@ static irqreturn_t counter0_irq(int irq, void *dev_id)
{
unsigned long pc0;
int time_elapsed;
static int jiffie_drift = 0;
static int jiffie_drift;
if (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20) {
/* should never happen! */
......@@ -70,13 +67,11 @@ static irqreturn_t counter0_irq(int irq, void *dev_id)
}
pc0 = au_readl(SYS_TOYREAD);
if (pc0 < last_match20) {
if (pc0 < last_match20)
/* counter overflowed */
time_elapsed = (0xffffffff - last_match20) + pc0;
}
else {
else
time_elapsed = pc0 - last_match20;
}
while (time_elapsed > 0) {
do_timer(1);
......@@ -92,8 +87,9 @@ static irqreturn_t counter0_irq(int irq, void *dev_id)
au_writel(last_match20 + MATCH20_INC, SYS_TOYMATCH2);
au_sync();
/* our counter ticks at 10.009765625 ms/tick, we we're running
* almost 10uS too slow per tick.
/*
* Our counter ticks at 10.009765625 ms/tick, we we're running
* almost 10 uS too slow per tick.
*/
if (jiffie_drift >= 999) {
......@@ -117,20 +113,17 @@ struct irqaction counter0_action = {
/* When we wakeup from sleep, we have to "catch up" on all of the
* timer ticks we have missed.
*/
void
wakeup_counter0_adjust(void)
void wakeup_counter0_adjust(void)
{
unsigned long pc0;
int time_elapsed;
pc0 = au_readl(SYS_TOYREAD);
if (pc0 < last_match20) {
if (pc0 < last_match20)
/* counter overflowed */
time_elapsed = (0xffffffff - last_match20) + pc0;
}
else {
else
time_elapsed = pc0 - last_match20;
}
while (time_elapsed > 0) {
time_elapsed -= MATCH20_INC;
......@@ -143,10 +136,8 @@ wakeup_counter0_adjust(void)
}
/* This is just for debugging to set the timer for a sleep delay.
*/
void
wakeup_counter0_set(int ticks)
/* This is just for debugging to set the timer for a sleep delay. */
void wakeup_counter0_set(int ticks)
{
unsigned long pc0;
......@@ -157,21 +148,22 @@ wakeup_counter0_set(int ticks)
}
#endif
/* I haven't found anyone that doesn't use a 12 MHz source clock,
/*
* I haven't found anyone that doesn't use a 12 MHz source clock,
* but just in case.....
*/
#define AU1000_SRC_CLK 12000000
/*
* We read the real processor speed from the PLL. This is important
* because it is more accurate than computing it from the 32KHz
* because it is more accurate than computing it from the 32 KHz
* counter, if it exists. If we don't have an accurate processor
* speed, all of the peripherals that derive their clocks based on
* this advertised speed will introduce error and sometimes not work
* properly. This function is futher convoluted to still allow configurations
* to do that in case they have really, really old silicon with a
* write-only PLL register, that we need the 32KHz when power management
* "wait" is enabled, and we need to detect if the 32KHz isn't present
* write-only PLL register, that we need the 32 KHz when power management
* "wait" is enabled, and we need to detect if the 32 KHz isn't present
* but requested......got it? :-) -- Dan
*/
unsigned long calc_clock(void)
......@@ -182,8 +174,7 @@ unsigned long calc_clock(void)
spin_lock_irqsave(&time_lock, flags);
/* Power management cares if we don't have a 32KHz counter.
*/
/* Power management cares if we don't have a 32 KHz counter. */
no_au1xxx_32khz = 0;
counter = au_readl(SYS_COUNTER_CNTRL);
if (counter & SYS_CNTRL_E0) {
......@@ -193,7 +184,7 @@ unsigned long calc_clock(void)
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S);
/* RTC now ticks at 32.768/16 kHz */
au_writel(trim_divide-1, SYS_RTCTRIM);
au_writel(trim_divide - 1, SYS_RTCTRIM);
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_T1S);
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C1S);
......@@ -215,9 +206,11 @@ unsigned long calc_clock(void)
#endif
else
cpu_speed = (au_readl(SYS_CPUPLL) & 0x0000003f) * AU1000_SRC_CLK;
/* On Alchemy CPU:counter ratio is 1:1 */
mips_hpt_frequency = cpu_speed;
// Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16)
set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL)&0x03) + 2) * 16));
/* Equation: Baudrate = CPU / (SD * 2 * CLKDIV * 16) */
set_au1x00_uart_baud_base(cpu_speed / (2 * ((int)(au_readl(SYS_POWERCTRL)
& 0x03) + 2) * 16));
spin_unlock_irqrestore(&time_lock, flags);
return cpu_speed;
}
......@@ -228,10 +221,10 @@ void __init plat_time_init(void)
est_freq += 5000; /* round */
est_freq -= est_freq%10000;
printk("CPU frequency %d.%02d MHz\n", est_freq/1000000,
(est_freq%1000000)*100/1000000);
set_au1x00_speed(est_freq);
set_au1x00_lcd_clock(); // program the LCD clock
printk(KERN_INFO "CPU frequency %u.%02u MHz\n",
est_freq / 1000000, ((est_freq % 1000000) * 100) / 1000000);
set_au1x00_speed(est_freq);
set_au1x00_lcd_clock(); /* program the LCD clock */
#ifdef CONFIG_PM
/*
......@@ -243,30 +236,29 @@ void __init plat_time_init(void)
* counter 0 interrupt as a special irq and it doesn't show
* up under /proc/interrupts.
*
* Check to ensure we really have a 32KHz oscillator before
* Check to ensure we really have a 32 KHz oscillator before
* we do this.
*/
if (no_au1xxx_32khz)
printk("WARNING: no 32KHz clock found.\n");
printk(KERN_WARNING "WARNING: no 32KHz clock found.\n");
else {
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C0S);
au_writel(0, SYS_TOYWRITE);
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_C0S);
au_writel(au_readl(SYS_WAKEMSK) | (1<<8), SYS_WAKEMSK);
au_writel(au_readl(SYS_WAKEMSK) | (1 << 8), SYS_WAKEMSK);
au_writel(~0, SYS_WAKESRC);
au_sync();
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20);
/* setup match20 to interrupt once every HZ */
/* Setup match20 to interrupt once every HZ */
last_pc0 = last_match20 = au_readl(SYS_TOYREAD);
au_writel(last_match20 + MATCH20_INC, SYS_TOYMATCH2);
au_sync();
while (au_readl(SYS_COUNTER_CNTRL) & SYS_CNTRL_M20);
setup_irq(AU1000_TOY_MATCH2_INT, &counter0_action);
/* We can use the real 'wait' instruction.
*/
/* We can use the real 'wait' instruction. */
allow_au1k_wait = 1;
}
......
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