1. 根目录:
2. arch
3. mips
4. include
5. asm
6. mach-bcm63xx
7. bcm63xx_io.h

#ifndef BCM63XX_IO_H_
#define BCM63XX_IO_H_

#include "bcm63xx_cpu.h"

/*
 * Physical memory map, RAM is mapped at 0x0.
 *
 * Note that size MUST be a power of two.
 */
#define BCM_PCMCIA_COMMON_BASE_PA	(0x20000000)
#define BCM_PCMCIA_COMMON_SIZE		(16 * 1024 * 1024)
#define BCM_PCMCIA_COMMON_END_PA	(BCM_PCMCIA_COMMON_BASE_PA +	\
					 BCM_PCMCIA_COMMON_SIZE - 1)

#define BCM_PCMCIA_ATTR_BASE_PA		(0x21000000)
#define BCM_PCMCIA_ATTR_SIZE		(16 * 1024 * 1024)
#define BCM_PCMCIA_ATTR_END_PA		(BCM_PCMCIA_ATTR_BASE_PA +	\
					 BCM_PCMCIA_ATTR_SIZE - 1)

#define BCM_PCMCIA_IO_BASE_PA		(0x22000000)
#define BCM_PCMCIA_IO_SIZE		(64 * 1024)
#define BCM_PCMCIA_IO_END_PA		(BCM_PCMCIA_IO_BASE_PA +	\
					BCM_PCMCIA_IO_SIZE - 1)

#define BCM_PCI_MEM_BASE_PA		(0x30000000)
#define BCM_PCI_MEM_SIZE		(128 * 1024 * 1024)
#define BCM_PCI_MEM_END_PA		(BCM_PCI_MEM_BASE_PA +		\
					BCM_PCI_MEM_SIZE - 1)

#define BCM_PCI_IO_BASE_PA		(0x08000000)
#define BCM_PCI_IO_SIZE			(64 * 1024)
#define BCM_PCI_IO_END_PA		(BCM_PCI_IO_BASE_PA +		\
					BCM_PCI_IO_SIZE - 1)
#define BCM_PCI_IO_HALF_PA		(BCM_PCI_IO_BASE_PA +		\
					(BCM_PCI_IO_SIZE / 2) - 1)

#define BCM_CB_MEM_BASE_PA		(0x38000000)
#define BCM_CB_MEM_SIZE			(128 * 1024 * 1024)
#define BCM_CB_MEM_END_PA		(BCM_CB_MEM_BASE_PA +		\
					BCM_CB_MEM_SIZE - 1)


/*
 * Internal registers are accessed through KSEG3
 */
#define BCM_REGS_VA(x)	((void __iomem *)(x))

#define bcm_readb(a)	(*(volatile unsigned char *)	BCM_REGS_VA(a))
#define bcm_readw(a)	(*(volatile unsigned short *)	BCM_REGS_VA(a))
#define bcm_readl(a)	(*(volatile unsigned int *)	BCM_REGS_VA(a))
#define bcm_writeb(v, a) (*(volatile unsigned char *) BCM_REGS_VA((a)) = (v))
#define bcm_writew(v, a) (*(volatile unsigned short *) BCM_REGS_VA((a)) = (v))
#define bcm_writel(v, a) (*(volatile unsigned int *) BCM_REGS_VA((a)) = (v))

/*
 * IO helpers to access register set for current CPU
 */
#define bcm_rset_readb(s, o)	bcm_readb(bcm63xx_regset_address(s) + (o))
#define bcm_rset_readw(s, o)	bcm_readw(bcm63xx_regset_address(s) + (o))
#define bcm_rset_readl(s, o)	bcm_readl(bcm63xx_regset_address(s) + (o))
#define bcm_rset_writeb(s, v, o)	bcm_writeb((v), \
					bcm63xx_regset_address(s) + (o))
#define bcm_rset_writew(s, v, o)	bcm_writew((v), \
					bcm63xx_regset_address(s) + (o))
#define bcm_rset_writel(s, v, o)	bcm_writel((v), \
					bcm63xx_regset_address(s) + (o))

/*
 * helpers for frequently used register sets
 */
#define bcm_perf_readl(o)	bcm_rset_readl(RSET_PERF, (o))
#define bcm_perf_writel(v, o)	bcm_rset_writel(RSET_PERF, (v), (o))
#define bcm_timer_readl(o)	bcm_rset_readl(RSET_TIMER, (o))
#define bcm_timer_writel(v, o)	bcm_rset_writel(RSET_TIMER, (v), (o))
#define bcm_wdt_readl(o)	bcm_rset_readl(RSET_WDT, (o))
#define bcm_wdt_writel(v, o)	bcm_rset_writel(RSET_WDT, (v), (o))
#define bcm_gpio_readl(o)	bcm_rset_readl(RSET_GPIO, (o))
#define bcm_gpio_writel(v, o)	bcm_rset_writel(RSET_GPIO, (v), (o))
#define bcm_uart0_readl(o)	bcm_rset_readl(RSET_UART0, (o))
#define bcm_uart0_writel(v, o)	bcm_rset_writel(RSET_UART0, (v), (o))
#define bcm_mpi_readl(o)	bcm_rset_readl(RSET_MPI, (o))
#define bcm_mpi_writel(v, o)	bcm_rset_writel(RSET_MPI, (v), (o))
#define bcm_pcmcia_readl(o)	bcm_rset_readl(RSET_PCMCIA, (o))
#define bcm_pcmcia_writel(v, o)	bcm_rset_writel(RSET_PCMCIA, (v), (o))
#define bcm_sdram_readl(o)	bcm_rset_readl(RSET_SDRAM, (o))
#define bcm_sdram_writel(v, o)	bcm_rset_writel(RSET_SDRAM, (v), (o))
#define bcm_memc_readl(o)	bcm_rset_readl(RSET_MEMC, (o))
#define bcm_memc_writel(v, o)	bcm_rset_writel(RSET_MEMC, (v), (o))
#define bcm_ddr_readl(o)	bcm_rset_readl(RSET_DDR, (o))
#define bcm_ddr_writel(v, o)	bcm_rset_writel(RSET_DDR, (v), (o))

#endif /* ! BCM63XX_IO_H_ */