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openwrt-xburst/target/linux/brcm63xx/files/include/asm-mips/mach-bcm63xx/bcm63xx_io.h
florian 1607b793bb [brcm63xx] fix SPI accessors
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14792 3c298f89-4303-0410-b956-a3cf2f4a3e73
2009-03-08 14:20:15 +00:00

108 lines
4.1 KiB
C

#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))
/*
* helpers for the SPI register sets
*/
#define bcm_spi_readb(o) bcm_readb(bcm63xx_regset_address(RSET_SPI) + \
bcm63xx_spireg(o))
#define bcm_spi_readw(o) bcm_readw(bcm63xx_regset_address(RSET_SPI) + \
bcm63xx_spireg(o))
#define bcm_spi_writeb(v,o) bcm_writeb((v), \
bcm63xx_regset_address(RSET_SPI) + \
bcm63xx_spireg(o))
#define bcm_spi_writew(v,o) bcm_writew((v), \
bcm63xx_regset_address(RSET_SPI) + \
bcm63xx_spireg(o))
#endif /* ! BCM63XX_IO_H_ */