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/*
* include/asm-arm/hardware/iop3xx.h
*
* Intel IOP32X and IOP33X register definitions
*
* Author: Rory Bolt <rorybolt@pacbell.net>
* Copyright (C) 2002 Rory Bolt
* Copyright (C) 2004 Intel Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __IOP3XX_H
#define __IOP3XX_H
/*
* IOP3XX GPIO handling
*/
#define GPIO_IN 0
#define GPIO_OUT 1
#define GPIO_LOW 0
#define GPIO_HIGH 1
#define IOP3XX_GPIO_LINE(x) (x)
#ifndef __ASSEMBLY__
extern void gpio_line_config(int line, int direction);
extern int gpio_line_get(int line);
extern void gpio_line_set(int line, int value);
#endif
/*
* IOP3XX processor registers
*/
#define IOP3XX_PERIPHERAL_PHYS_BASE 0xffffe000
#define IOP3XX_PERIPHERAL_VIRT_BASE 0xfeffe000
#define IOP3XX_PERIPHERAL_SIZE 0x00002000
#define IOP3XX_PERIPHERAL_UPPER_PA (IOP3XX_PERIPHERAL_PHYS_BASE +\
IOP3XX_PERIPHERAL_SIZE - 1)
#define IOP3XX_PERIPHERAL_UPPER_VA (IOP3XX_PERIPHERAL_VIRT_BASE +\
IOP3XX_PERIPHERAL_SIZE - 1)
#define IOP3XX_PMMR_PHYS_TO_VIRT(addr) (u32) ((u32) addr -\
(IOP3XX_PERIPHERAL_PHYS_BASE\
- IOP3XX_PERIPHERAL_VIRT_BASE))
#define IOP3XX_REG_ADDR(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + (reg))
/* Address Translation Unit */
#define IOP3XX_ATUVID (volatile u16 *)IOP3XX_REG_ADDR(0x0100)
#define IOP3XX_ATUDID (volatile u16 *)IOP3XX_REG_ADDR(0x0102)
#define IOP3XX_ATUCMD (volatile u16 *)IOP3XX_REG_ADDR(0x0104)
#define IOP3XX_ATUSR (volatile u16 *)IOP3XX_REG_ADDR(0x0106)
#define IOP3XX_ATURID (volatile u8 *)IOP3XX_REG_ADDR(0x0108)
#define IOP3XX_ATUCCR (volatile u32 *)IOP3XX_REG_ADDR(0x0109)
#define IOP3XX_ATUCLSR (volatile u8 *)IOP3XX_REG_ADDR(0x010c)
#define IOP3XX_ATULT (volatile u8 *)IOP3XX_REG_ADDR(0x010d)
#define IOP3XX_ATUHTR (volatile u8 *)IOP3XX_REG_ADDR(0x010e)
#define IOP3XX_ATUBIST (volatile u8 *)IOP3XX_REG_ADDR(0x010f)
#define IOP3XX_IABAR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0110)
#define IOP3XX_IAUBAR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0114)
#define IOP3XX_IABAR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0118)
#define IOP3XX_IAUBAR1 (volatile u32 *)IOP3XX_REG_ADDR(0x011c)
#define IOP3XX_IABAR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0120)
#define IOP3XX_IAUBAR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0124)
#define IOP3XX_ASVIR (volatile u16 *)IOP3XX_REG_ADDR(0x012c)
#define IOP3XX_ASIR (volatile u16 *)IOP3XX_REG_ADDR(0x012e)
#define IOP3XX_ERBAR (volatile u32 *)IOP3XX_REG_ADDR(0x0130)
#define IOP3XX_ATUILR (volatile u8 *)IOP3XX_REG_ADDR(0x013c)
#define IOP3XX_ATUIPR (volatile u8 *)IOP3XX_REG_ADDR(0x013d)
#define IOP3XX_ATUMGNT (volatile u8 *)IOP3XX_REG_ADDR(0x013e)
#define IOP3XX_ATUMLAT (volatile u8 *)IOP3XX_REG_ADDR(0x013f)
#define IOP3XX_IALR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0140)
#define IOP3XX_IATVR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0144)
#define IOP3XX_ERLR (volatile u32 *)IOP3XX_REG_ADDR(0x0148)
#define IOP3XX_ERTVR (volatile u32 *)IOP3XX_REG_ADDR(0x014c)
#define IOP3XX_IALR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0150)
#define IOP3XX_IALR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0154)
#define IOP3XX_IATVR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0158)
#define IOP3XX_OIOWTVR (volatile u32 *)IOP3XX_REG_ADDR(0x015c)
#define IOP3XX_OMWTVR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0160)
#define IOP3XX_OUMWTVR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0164)
#define IOP3XX_OMWTVR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0168)
#define IOP3XX_OUMWTVR1 (volatile u32 *)IOP3XX_REG_ADDR(0x016c)
#define IOP3XX_OUDWTVR (volatile u32 *)IOP3XX_REG_ADDR(0x0178)
#define IOP3XX_ATUCR (volatile u32 *)IOP3XX_REG_ADDR(0x0180)
#define IOP3XX_PCSR (volatile u32 *)IOP3XX_REG_ADDR(0x0184)
#define IOP3XX_ATUISR (volatile u32 *)IOP3XX_REG_ADDR(0x0188)
#define IOP3XX_ATUIMR (volatile u32 *)IOP3XX_REG_ADDR(0x018c)
#define IOP3XX_IABAR3 (volatile u32 *)IOP3XX_REG_ADDR(0x0190)
#define IOP3XX_IAUBAR3 (volatile u32 *)IOP3XX_REG_ADDR(0x0194)
#define IOP3XX_IALR3 (volatile u32 *)IOP3XX_REG_ADDR(0x0198)
#define IOP3XX_IATVR3 (volatile u32 *)IOP3XX_REG_ADDR(0x019c)
#define IOP3XX_OCCAR (volatile u32 *)IOP3XX_REG_ADDR(0x01a4)
#define IOP3XX_OCCDR (volatile u32 *)IOP3XX_REG_ADDR(0x01ac)
#define IOP3XX_PDSCR (volatile u32 *)IOP3XX_REG_ADDR(0x01bc)
#define IOP3XX_PMCAPID (volatile u8 *)IOP3XX_REG_ADDR(0x01c0)
#define IOP3XX_PMNEXT (volatile u8 *)IOP3XX_REG_ADDR(0x01c1)
#define IOP3XX_APMCR (volatile u16 *)IOP3XX_REG_ADDR(0x01c2)
#define IOP3XX_APMCSR (volatile u16 *)IOP3XX_REG_ADDR(0x01c4)
#define IOP3XX_PCIXCAPID (volatile u8 *)IOP3XX_REG_ADDR(0x01e0)
#define IOP3XX_PCIXNEXT (volatile u8 *)IOP3XX_REG_ADDR(0x01e1)
#define IOP3XX_PCIXCMD (volatile u16 *)IOP3XX_REG_ADDR(0x01e2)
#define IOP3XX_PCIXSR (volatile u32 *)IOP3XX_REG_ADDR(0x01e4)
#define IOP3XX_PCIIRSR (volatile u32 *)IOP3XX_REG_ADDR(0x01ec)
/* Messaging Unit */
#define IOP3XX_IMR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0310)
#define IOP3XX_IMR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0314)
#define IOP3XX_OMR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0318)
#define IOP3XX_OMR1 (volatile u32 *)IOP3XX_REG_ADDR(0x031c)
#define IOP3XX_IDR (volatile u32 *)IOP3XX_REG_ADDR(0x0320)
#define IOP3XX_IISR (volatile u32 *)IOP3XX_REG_ADDR(0x0324)
#define IOP3XX_IIMR (volatile u32 *)IOP3XX_REG_ADDR(0x0328)
#define IOP3XX_ODR (volatile u32 *)IOP3XX_REG_ADDR(0x032c)
#define IOP3XX_OISR (volatile u32 *)IOP3XX_REG_ADDR(0x0330)
#define IOP3XX_OIMR (volatile u32 *)IOP3XX_REG_ADDR(0x0334)
#define IOP3XX_MUCR (volatile u32 *)IOP3XX_REG_ADDR(0x0350)
#define IOP3XX_QBAR (volatile u32 *)IOP3XX_REG_ADDR(0x0354)
#define IOP3XX_IFHPR (volatile u32 *)IOP3XX_REG_ADDR(0x0360)
#define IOP3XX_IFTPR (volatile u32 *)IOP3XX_REG_ADDR(0x0364)
#define IOP3XX_IPHPR (volatile u32 *)IOP3XX_REG_ADDR(0x0368)
#define IOP3XX_IPTPR (volatile u32 *)IOP3XX_REG_ADDR(0x036c)
#define IOP3XX_OFHPR (volatile u32 *)IOP3XX_REG_ADDR(0x0370)
#define IOP3XX_OFTPR (volatile u32 *)IOP3XX_REG_ADDR(0x0374)
#define IOP3XX_OPHPR (volatile u32 *)IOP3XX_REG_ADDR(0x0378)
#define IOP3XX_OPTPR (volatile u32 *)IOP3XX_REG_ADDR(0x037c)
#define IOP3XX_IAR (volatile u32 *)IOP3XX_REG_ADDR(0x0380)
/* DMA Controller */
#define IOP3XX_DMA0_CCR (volatile u32 *)IOP3XX_REG_ADDR(0x0400)
#define IOP3XX_DMA0_CSR (volatile u32 *)IOP3XX_REG_ADDR(0x0404)
#define IOP3XX_DMA0_DAR (volatile u32 *)IOP3XX_REG_ADDR(0x040c)
#define IOP3XX_DMA0_NDAR (volatile u32 *)IOP3XX_REG_ADDR(0x0410)
#define IOP3XX_DMA0_PADR (volatile u32 *)IOP3XX_REG_ADDR(0x0414)
#define IOP3XX_DMA0_PUADR (volatile u32 *)IOP3XX_REG_ADDR(0x0418)
#define IOP3XX_DMA0_LADR (volatile u32 *)IOP3XX_REG_ADDR(0x041c)
#define IOP3XX_DMA0_BCR (volatile u32 *)IOP3XX_REG_ADDR(0x0420)
#define IOP3XX_DMA0_DCR (volatile u32 *)IOP3XX_REG_ADDR(0x0424)
#define IOP3XX_DMA1_CCR (volatile u32 *)IOP3XX_REG_ADDR(0x0440)
#define IOP3XX_DMA1_CSR (volatile u32 *)IOP3XX_REG_ADDR(0x0444)
#define IOP3XX_DMA1_DAR (volatile u32 *)IOP3XX_REG_ADDR(0x044c)
#define IOP3XX_DMA1_NDAR (volatile u32 *)IOP3XX_REG_ADDR(0x0450)
#define IOP3XX_DMA1_PADR (volatile u32 *)IOP3XX_REG_ADDR(0x0454)
#define IOP3XX_DMA1_PUADR (volatile u32 *)IOP3XX_REG_ADDR(0x0458)
#define IOP3XX_DMA1_LADR (volatile u32 *)IOP3XX_REG_ADDR(0x045c)
#define IOP3XX_DMA1_BCR (volatile u32 *)IOP3XX_REG_ADDR(0x0460)
#define IOP3XX_DMA1_DCR (volatile u32 *)IOP3XX_REG_ADDR(0x0464)
/* Peripheral bus interface */
#define IOP3XX_PBCR (volatile u32 *)IOP3XX_REG_ADDR(0x0680)
#define IOP3XX_PBISR (volatile u32 *)IOP3XX_REG_ADDR(0x0684)
#define IOP3XX_PBBAR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0688)
#define IOP3XX_PBLR0 (volatile u32 *)IOP3XX_REG_ADDR(0x068c)
#define IOP3XX_PBBAR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0690)
#define IOP3XX_PBLR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0694)
#define IOP3XX_PBBAR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0698)
#define IOP3XX_PBLR2 (volatile u32 *)IOP3XX_REG_ADDR(0x069c)
#define IOP3XX_PBBAR3 (volatile u32 *)IOP3XX_REG_ADDR(0x06a0)
#define IOP3XX_PBLR3 (volatile u32 *)IOP3XX_REG_ADDR(0x06a4)
#define IOP3XX_PBBAR4 (volatile u32 *)IOP3XX_REG_ADDR(0x06a8)
#define IOP3XX_PBLR4 (volatile u32 *)IOP3XX_REG_ADDR(0x06ac)
#define IOP3XX_PBBAR5 (volatile u32 *)IOP3XX_REG_ADDR(0x06b0)
#define IOP3XX_PBLR5 (volatile u32 *)IOP3XX_REG_ADDR(0x06b4)
#define IOP3XX_PMBR0 (volatile u32 *)IOP3XX_REG_ADDR(0x06c0)
#define IOP3XX_PMBR1 (volatile u32 *)IOP3XX_REG_ADDR(0x06e0)
#define IOP3XX_PMBR2 (volatile u32 *)IOP3XX_REG_ADDR(0x06e4)
/* Peripheral performance monitoring unit */
#define IOP3XX_GTMR (volatile u32 *)IOP3XX_REG_ADDR(0x0700)
#define IOP3XX_ESR (volatile u32 *)IOP3XX_REG_ADDR(0x0704)
#define IOP3XX_EMISR (volatile u32 *)IOP3XX_REG_ADDR(0x0708)
#define IOP3XX_GTSR (volatile u32 *)IOP3XX_REG_ADDR(0x0710)
/* PERCR0 DOESN'T EXIST - index from 1! */
#define IOP3XX_PERCR0 (volatile u32 *)IOP3XX_REG_ADDR(0x0710)
/* General Purpose I/O */
#define IOP3XX_GPOE (volatile u32 *)IOP3XX_GPIO_REG(0x0000)
#define IOP3XX_GPID (volatile u32 *)IOP3XX_GPIO_REG(0x0004)
#define IOP3XX_GPOD (volatile u32 *)IOP3XX_GPIO_REG(0x0008)
/* Timers */
#define IOP3XX_TU_TMR0 (volatile u32 *)IOP3XX_TIMER_REG(0x0000)
#define IOP3XX_TU_TMR1 (volatile u32 *)IOP3XX_TIMER_REG(0x0004)
#define IOP3XX_TU_TCR0 (volatile u32 *)IOP3XX_TIMER_REG(0x0008)
#define IOP3XX_TU_TCR1 (volatile u32 *)IOP3XX_TIMER_REG(0x000c)
#define IOP3XX_TU_TRR0 (volatile u32 *)IOP3XX_TIMER_REG(0x0010)
#define IOP3XX_TU_TRR1 (volatile u32 *)IOP3XX_TIMER_REG(0x0014)
#define IOP3XX_TU_TISR (volatile u32 *)IOP3XX_TIMER_REG(0x0018)
#define IOP3XX_TU_WDTCR (volatile u32 *)IOP3XX_TIMER_REG(0x001c)
#define IOP3XX_TMR_TC 0x01
#define IOP3XX_TMR_EN 0x02
#define IOP3XX_TMR_RELOAD 0x04
#define IOP3XX_TMR_PRIVILEGED 0x09
#define IOP3XX_TMR_RATIO_1_1 0x00
#define IOP3XX_TMR_RATIO_4_1 0x10
#define IOP3XX_TMR_RATIO_8_1 0x20
#define IOP3XX_TMR_RATIO_16_1 0x30
/* Application accelerator unit */
#define IOP3XX_AAU_ACR (volatile u32 *)IOP3XX_REG_ADDR(0x0800)
#define IOP3XX_AAU_ASR (volatile u32 *)IOP3XX_REG_ADDR(0x0804)
#define IOP3XX_AAU_ADAR (volatile u32 *)IOP3XX_REG_ADDR(0x0808)
#define IOP3XX_AAU_ANDAR (volatile u32 *)IOP3XX_REG_ADDR(0x080c)
#define IOP3XX_AAU_SAR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0810)
#define IOP3XX_AAU_SAR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0814)
#define IOP3XX_AAU_SAR3 (volatile u32 *)IOP3XX_REG_ADDR(0x0818)
#define IOP3XX_AAU_SAR4 (volatile u32 *)IOP3XX_REG_ADDR(0x081c)
#define IOP3XX_AAU_DAR (volatile u32 *)IOP3XX_REG_ADDR(0x0820)
#define IOP3XX_AAU_ABCR (volatile u32 *)IOP3XX_REG_ADDR(0x0824)
#define IOP3XX_AAU_ADCR (volatile u32 *)IOP3XX_REG_ADDR(0x0828)
#define IOP3XX_AAU_SAR5 (volatile u32 *)IOP3XX_REG_ADDR(0x082c)
#define IOP3XX_AAU_SAR6 (volatile u32 *)IOP3XX_REG_ADDR(0x0830)
#define IOP3XX_AAU_SAR7 (volatile u32 *)IOP3XX_REG_ADDR(0x0834)
#define IOP3XX_AAU_SAR8 (volatile u32 *)IOP3XX_REG_ADDR(0x0838)
#define IOP3XX_AAU_EDCR0 (volatile u32 *)IOP3XX_REG_ADDR(0x083c)
#define IOP3XX_AAU_SAR9 (volatile u32 *)IOP3XX_REG_ADDR(0x0840)
#define IOP3XX_AAU_SAR10 (volatile u32 *)IOP3XX_REG_ADDR(0x0844)
#define IOP3XX_AAU_SAR11 (volatile u32 *)IOP3XX_REG_ADDR(0x0848)
#define IOP3XX_AAU_SAR12 (volatile u32 *)IOP3XX_REG_ADDR(0x084c)
#define IOP3XX_AAU_SAR13 (volatile u32 *)IOP3XX_REG_ADDR(0x0850)
#define IOP3XX_AAU_SAR14 (volatile u32 *)IOP3XX_REG_ADDR(0x0854)
#define IOP3XX_AAU_SAR15 (volatile u32 *)IOP3XX_REG_ADDR(0x0858)
#define IOP3XX_AAU_SAR16 (volatile u32 *)IOP3XX_REG_ADDR(0x085c)
#define IOP3XX_AAU_EDCR1 (volatile u32 *)IOP3XX_REG_ADDR(0x0860)
#define IOP3XX_AAU_SAR17 (volatile u32 *)IOP3XX_REG_ADDR(0x0864)
#define IOP3XX_AAU_SAR18 (volatile u32 *)IOP3XX_REG_ADDR(0x0868)
#define IOP3XX_AAU_SAR19 (volatile u32 *)IOP3XX_REG_ADDR(0x086c)
#define IOP3XX_AAU_SAR20 (volatile u32 *)IOP3XX_REG_ADDR(0x0870)
#define IOP3XX_AAU_SAR21 (volatile u32 *)IOP3XX_REG_ADDR(0x0874)
#define IOP3XX_AAU_SAR22 (volatile u32 *)IOP3XX_REG_ADDR(0x0878)
#define IOP3XX_AAU_SAR23 (volatile u32 *)IOP3XX_REG_ADDR(0x087c)
#define IOP3XX_AAU_SAR24 (volatile u32 *)IOP3XX_REG_ADDR(0x0880)
#define IOP3XX_AAU_EDCR2 (volatile u32 *)IOP3XX_REG_ADDR(0x0884)
#define IOP3XX_AAU_SAR25 (volatile u32 *)IOP3XX_REG_ADDR(0x0888)
#define IOP3XX_AAU_SAR26 (volatile u32 *)IOP3XX_REG_ADDR(0x088c)
#define IOP3XX_AAU_SAR27 (volatile u32 *)IOP3XX_REG_ADDR(0x0890)
#define IOP3XX_AAU_SAR28 (volatile u32 *)IOP3XX_REG_ADDR(0x0894)
#define IOP3XX_AAU_SAR29 (volatile u32 *)IOP3XX_REG_ADDR(0x0898)
#define IOP3XX_AAU_SAR30 (volatile u32 *)IOP3XX_REG_ADDR(0x089c)
#define IOP3XX_AAU_SAR31 (volatile u32 *)IOP3XX_REG_ADDR(0x08a0)
#define IOP3XX_AAU_SAR32 (volatile u32 *)IOP3XX_REG_ADDR(0x08a4)
/* I2C bus interface unit */
#define IOP3XX_ICR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1680)
#define IOP3XX_ISR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1684)
#define IOP3XX_ISAR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1688)
#define IOP3XX_IDBR0 (volatile u32 *)IOP3XX_REG_ADDR(0x168c)
#define IOP3XX_IBMR0 (volatile u32 *)IOP3XX_REG_ADDR(0x1694)
#define IOP3XX_ICR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16a0)
#define IOP3XX_ISR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16a4)
#define IOP3XX_ISAR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16a8)
#define IOP3XX_IDBR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16ac)
#define IOP3XX_IBMR1 (volatile u32 *)IOP3XX_REG_ADDR(0x16b4)
/*
* IOP3XX I/O and Mem space regions for PCI autoconfiguration
*/
#define IOP3XX_PCI_MEM_WINDOW_SIZE 0x04000000
#define IOP3XX_PCI_LOWER_MEM_PA 0x80000000
#define IOP3XX_PCI_LOWER_MEM_BA (*IOP3XX_OMWTVR0)
#define IOP3XX_PCI_IO_WINDOW_SIZE 0x00010000
#define IOP3XX_PCI_LOWER_IO_PA 0x90000000
#define IOP3XX_PCI_LOWER_IO_VA 0xfe000000
#define IOP3XX_PCI_LOWER_IO_BA (*IOP3XX_OIOWTVR)
#define IOP3XX_PCI_UPPER_IO_PA (IOP3XX_PCI_LOWER_IO_PA +\
IOP3XX_PCI_IO_WINDOW_SIZE - 1)
#define IOP3XX_PCI_UPPER_IO_VA (IOP3XX_PCI_LOWER_IO_VA +\
IOP3XX_PCI_IO_WINDOW_SIZE - 1)
#define IOP3XX_PCI_IO_PHYS_TO_VIRT(addr) (((u32) addr -\
IOP3XX_PCI_LOWER_IO_PA) +\
IOP3XX_PCI_LOWER_IO_VA)
#ifndef __ASSEMBLY__
void iop3xx_map_io(void);
void iop3xx_init_time(unsigned long);
unsigned long iop3xx_gettimeoffset(void);
void iop_init_cp6_handler(void);
extern struct platform_device iop3xx_i2c0_device;
extern struct platform_device iop3xx_i2c1_device;
extern inline void iop3xx_cp6_enable(void)
{
u32 temp;
asm volatile (
"mrc p15, 0, %0, c15, c1, 0\n\t"
"orr %0, %0, #(1 << 6)\n\t"
"mcr p15, 0, %0, c15, c1, 0\n\t"
"mrc p15, 0, %0, c15, c1, 0\n\t"
"mov %0, %0\n\t"
"sub pc, pc, #4\n\t"
: "=r" (temp) );
}
extern inline void iop3xx_cp6_disable(void)
{
u32 temp;
asm volatile (
"mrc p15, 0, %0, c15, c1, 0\n\t"
"bic %0, %0, #(1 << 6)\n\t"
"mcr p15, 0, %0, c15, c1, 0\n\t"
"mrc p15, 0, %0, c15, c1, 0\n\t"
"mov %0, %0\n\t"
"sub pc, pc, #4\n\t"
: "=r" (temp) );
}
#endif
#endif
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