diff options
Diffstat (limited to 'include/asm-arm')
27 files changed, 377 insertions, 311 deletions
diff --git a/include/asm-arm/arch-imx/imxfb.h b/include/asm-arm/arch-imx/imxfb.h index 2346d45..7dbc7bb 100644 --- a/include/asm-arm/arch-imx/imxfb.h +++ b/include/asm-arm/arch-imx/imxfb.h @@ -25,6 +25,7 @@ struct imxfb_mach_info { u_int pcr; u_int pwmr; u_int lscr1; + u_int dmacr; u_char * fixed_screen_cpu; dma_addr_t fixed_screen_dma; diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h index 7495026..e350dcb 100644 --- a/include/asm-arm/arch-ixp4xx/io.h +++ b/include/asm-arm/arch-ixp4xx/io.h @@ -383,39 +383,45 @@ __ixp4xx_insl(u32 io_addr, u32 *vaddr, u32 count) *vaddr++ = inl(io_addr); } -#define __is_io_address(p) (((unsigned long)p >= 0x0) && \ - ((unsigned long)p <= 0x0000ffff)) +#define PIO_OFFSET 0x10000UL +#define PIO_MASK 0x0ffffUL + +#define __is_io_address(p) (((unsigned long)p >= PIO_OFFSET) && \ + ((unsigned long)p <= (PIO_MASK + PIO_OFFSET))) static inline unsigned int -__ixp4xx_ioread8(void __iomem *port) +__ixp4xx_ioread8(void __iomem *addr) { + unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) - return (unsigned int)__ixp4xx_inb((unsigned int)port); + return (unsigned int)__ixp4xx_inb(port & PIO_MASK); else #ifndef CONFIG_IXP4XX_INDIRECT_PCI - return (unsigned int)__raw_readb((u32)port); + return (unsigned int)__raw_readb(port); #else - return (unsigned int)__ixp4xx_readb((u32)port); + return (unsigned int)__ixp4xx_readb(port); #endif } static inline void -__ixp4xx_ioread8_rep(u32 port, u8 *vaddr, u32 count) +__ixp4xx_ioread8_rep(void __iomem *addr, void *vaddr, u32 count) { + unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) - __ixp4xx_insb(port, vaddr, count); + __ixp4xx_insb(port & PIO_MASK, vaddr, count); else #ifndef CONFIG_IXP4XX_INDIRECT_PCI - __raw_readsb((void __iomem *)port, vaddr, count); + __raw_readsb(addr, vaddr, count); #else __ixp4xx_readsb(port, vaddr, count); #endif } static inline unsigned int -__ixp4xx_ioread16(void __iomem *port) +__ixp4xx_ioread16(void __iomem *addr) { + unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) - return (unsigned int)__ixp4xx_inw((unsigned int)port); + return (unsigned int)__ixp4xx_inw(port & PIO_MASK); else #ifndef CONFIG_IXP4XX_INDIRECT_PCI return le16_to_cpu(__raw_readw((u32)port)); @@ -425,23 +431,25 @@ __ixp4xx_ioread16(void __iomem *port) } static inline void -__ixp4xx_ioread16_rep(u32 port, u16 *vaddr, u32 count) +__ixp4xx_ioread16_rep(void __iomem *addr, void *vaddr, u32 count) { + unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) - __ixp4xx_insw(port, vaddr, count); + __ixp4xx_insw(port & PIO_MASK, vaddr, count); else #ifndef CONFIG_IXP4XX_INDIRECT_PCI - __raw_readsw((void __iomem *)port, vaddr, count); + __raw_readsw(addr, vaddr, count); #else __ixp4xx_readsw(port, vaddr, count); #endif } static inline unsigned int -__ixp4xx_ioread32(void __iomem *port) +__ixp4xx_ioread32(void __iomem *addr) { + unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) - return (unsigned int)__ixp4xx_inl((unsigned int)port); + return (unsigned int)__ixp4xx_inl(port & PIO_MASK); else { #ifndef CONFIG_IXP4XX_INDIRECT_PCI return le32_to_cpu(__raw_readl((u32)port)); @@ -452,90 +460,100 @@ __ixp4xx_ioread32(void __iomem *port) } static inline void -__ixp4xx_ioread32_rep(u32 port, u32 *vaddr, u32 count) +__ixp4xx_ioread32_rep(void __iomem *addr, void *vaddr, u32 count) { + unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) - __ixp4xx_insl(port, vaddr, count); + __ixp4xx_insl(port & PIO_MASK, vaddr, count); else #ifndef CONFIG_IXP4XX_INDIRECT_PCI - __raw_readsl((void __iomem *)port, vaddr, count); + __raw_readsl(addr, vaddr, count); #else __ixp4xx_readsl(port, vaddr, count); #endif } static inline void -__ixp4xx_iowrite8(u8 value, void __iomem *port) +__ixp4xx_iowrite8(u8 value, void __iomem *addr) { + unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) - __ixp4xx_outb(value, (unsigned int)port); + __ixp4xx_outb(value, port & PIO_MASK); else #ifndef CONFIG_IXP4XX_INDIRECT_PCI - __raw_writeb(value, (u32)port); + __raw_writeb(value, port); #else - __ixp4xx_writeb(value, (u32)port); + __ixp4xx_writeb(value, port); #endif } static inline void -__ixp4xx_iowrite8_rep(u32 port, u8 *vaddr, u32 count) +__ixp4xx_iowrite8_rep(void __iomem *addr, const void *vaddr, u32 count) { + unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) - __ixp4xx_outsb(port, vaddr, count); + __ixp4xx_outsb(port & PIO_MASK, vaddr, count); + else #ifndef CONFIG_IXP4XX_INDIRECT_PCI - __raw_writesb((void __iomem *)port, vaddr, count); + __raw_writesb(addr, vaddr, count); #else __ixp4xx_writesb(port, vaddr, count); #endif } static inline void -__ixp4xx_iowrite16(u16 value, void __iomem *port) +__ixp4xx_iowrite16(u16 value, void __iomem *addr) { + unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) - __ixp4xx_outw(value, (unsigned int)port); + __ixp4xx_outw(value, port & PIO_MASK); else #ifndef CONFIG_IXP4XX_INDIRECT_PCI - __raw_writew(cpu_to_le16(value), (u32)port); + __raw_writew(cpu_to_le16(value), addr); #else - __ixp4xx_writew(value, (u32)port); + __ixp4xx_writew(value, port); #endif } static inline void -__ixp4xx_iowrite16_rep(u32 port, u16 *vaddr, u32 count) +__ixp4xx_iowrite16_rep(void __iomem *addr, const void *vaddr, u32 count) { + unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) - __ixp4xx_outsw(port, vaddr, count); + __ixp4xx_outsw(port & PIO_MASK, vaddr, count); + else #ifndef CONFIG_IXP4XX_INDIRECT_PCI - __raw_readsw((void __iomem *)port, vaddr, count); + __raw_writesw(addr, vaddr, count); #else __ixp4xx_writesw(port, vaddr, count); #endif } static inline void -__ixp4xx_iowrite32(u32 value, void __iomem *port) +__ixp4xx_iowrite32(u32 value, void __iomem *addr) { + unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) - __ixp4xx_outl(value, (unsigned int)port); + __ixp4xx_outl(value, port & PIO_MASK); else #ifndef CONFIG_IXP4XX_INDIRECT_PCI - __raw_writel(cpu_to_le32(value), (u32)port); + __raw_writel(cpu_to_le32(value), port); #else - __ixp4xx_writel(value, (u32)port); + __ixp4xx_writel(value, port); #endif } static inline void -__ixp4xx_iowrite32_rep(u32 port, u32 *vaddr, u32 count) +__ixp4xx_iowrite32_rep(void __iomem *addr, const void *vaddr, u32 count) { + unsigned long port = (unsigned long __force)addr; if (__is_io_address(port)) - __ixp4xx_outsl(port, vaddr, count); + __ixp4xx_outsl(port & PIO_MASK, vaddr, count); + else #ifndef CONFIG_IXP4XX_INDIRECT_PCI - __raw_readsl((void __iomem *)port, vaddr, count); + __raw_writesl(addr, vaddr, count); #else - __ixp4xx_outsl(port, vaddr, count); + __ixp4xx_writesl(port, vaddr, count); #endif } @@ -555,7 +573,7 @@ __ixp4xx_iowrite32_rep(u32 port, u32 *vaddr, u32 count) #define iowrite16_rep(p, v, c) __ixp4xx_iowrite16_rep(p, v, c) #define iowrite32_rep(p, v, c) __ixp4xx_iowrite32_rep(p, v, c) -#define ioport_map(port, nr) ((void __iomem*)port) +#define ioport_map(port, nr) ((void __iomem*)(port + PIO_OFFSET)) #define ioport_unmap(addr) #endif // __ASM_ARM_ARCH_IO_H diff --git a/include/asm-arm/arch-ixp4xx/platform.h b/include/asm-arm/arch-ixp4xx/platform.h index 3a626c0..d13ee7f 100644 --- a/include/asm-arm/arch-ixp4xx/platform.h +++ b/include/asm-arm/arch-ixp4xx/platform.h @@ -83,17 +83,6 @@ extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys); #define IXP4XX_GPIO_OUT 0x1 #define IXP4XX_GPIO_IN 0x2 -#define IXP4XX_GPIO_INTSTYLE_MASK 0x7C /* Bits [6:2] define interrupt style */ - -/* - * GPIO interrupt types. - */ -#define IXP4XX_GPIO_ACTIVE_HIGH 0x4 /* Default */ -#define IXP4XX_GPIO_ACTIVE_LOW 0x8 -#define IXP4XX_GPIO_RISING_EDGE 0x10 -#define IXP4XX_GPIO_FALLING_EDGE 0x20 -#define IXP4XX_GPIO_TRANSITIONAL 0x40 - /* GPIO signal types */ #define IXP4XX_GPIO_LOW 0 #define IXP4XX_GPIO_HIGH 1 @@ -102,7 +91,13 @@ extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys); #define IXP4XX_GPIO_CLK_0 14 #define IXP4XX_GPIO_CLK_1 15 -extern void gpio_line_config(u8 line, u32 style); +static inline void gpio_line_config(u8 line, u32 direction) +{ + if (direction == IXP4XX_GPIO_OUT) + *IXP4XX_GPIO_GPOER |= (1 << line); + else + *IXP4XX_GPIO_GPOER &= ~(1 << line); +} static inline void gpio_line_get(u8 line, int *value) { diff --git a/include/asm-arm/arch-ixp4xx/timex.h b/include/asm-arm/arch-ixp4xx/timex.h index 38c9d77..3745e35 100644 --- a/include/asm-arm/arch-ixp4xx/timex.h +++ b/include/asm-arm/arch-ixp4xx/timex.h @@ -7,7 +7,9 @@ /* * We use IXP425 General purpose timer for our timer needs, it runs at - * 66.66... MHz + * 66.66... MHz. We do a convulted calculation of CLOCK_TICK_RATE b/c the + * timer register ignores the bottom 2 bits of the LATCH value. */ -#define CLOCK_TICK_RATE (66666666) +#define FREQ 66666666 +#define CLOCK_TICK_RATE (((FREQ / HZ & ~IXP4XX_OST_RELOAD_MASK) + 1) * HZ) diff --git a/include/asm-arm/arch-pxa/pxa-regs.h b/include/asm-arm/arch-pxa/pxa-regs.h index 51f0fe0..939d9e5 100644 --- a/include/asm-arm/arch-pxa/pxa-regs.h +++ b/include/asm-arm/arch-pxa/pxa-regs.h @@ -818,6 +818,23 @@ #define UDCOTGICR_IEIDF (1 << 0) /* OTG ID Change Falling Edge Interrupt Enable */ +#define UP2OCR __REG(0x40600020) /* USB Port 2 Output Control register */ + +#define UP2OCR_CPVEN (1 << 0) /* Charge Pump Vbus Enable */ +#define UP2OCR_CPVPE (1 << 1) /* Charge Pump Vbus Pulse Enable */ +#define UP2OCR_DPPDE (1 << 2) /* Host Port 2 Transceiver D+ Pull Down Enable */ +#define UP2OCR_DMPDE (1 << 3) /* Host Port 2 Transceiver D- Pull Down Enable */ +#define UP2OCR_DPPUE (1 << 4) /* Host Port 2 Transceiver D+ Pull Up Enable */ +#define UP2OCR_DMPUE (1 << 5) /* Host Port 2 Transceiver D- Pull Up Enable */ +#define UP2OCR_DPPUBE (1 << 6) /* Host Port 2 Transceiver D+ Pull Up Bypass Enable */ +#define UP2OCR_DMPUBE (1 << 7) /* Host Port 2 Transceiver D- Pull Up Bypass Enable */ +#define UP2OCR_EXSP (1 << 8) /* External Transceiver Speed Control */ +#define UP2OCR_EXSUS (1 << 9) /* External Transceiver Speed Enable */ +#define UP2OCR_IDON (1 << 10) /* OTG ID Read Enable */ +#define UP2OCR_HXS (1 << 16) /* Host Port 2 Transceiver Output Select */ +#define UP2OCR_HXOE (1 << 17) /* Host Port 2 Transceiver Output Enable */ +#define UP2OCR_SEOS (1 << 24) /* Single-Ended Output Select */ + #define UDCCSN(x) __REG2(0x40600100, (x) << 2) #define UDCCSR0 __REG(0x40600100) /* UDC Control/Status register - Endpoint 0 */ #define UDCCSR0_SA (1 << 7) /* Setup Active */ @@ -1423,6 +1440,7 @@ #define GPIO84_NSSP_RX (84 | GPIO_ALT_FN_2_IN) #define GPIO85_nPCE_1_MD (85 | GPIO_ALT_FN_1_OUT) #define GPIO92_MMCDAT0_MD (92 | GPIO_ALT_FN_1_OUT) +#define GPIO104_pSKTSEL_MD (104 | GPIO_ALT_FN_1_OUT) #define GPIO109_MMCDAT1_MD (109 | GPIO_ALT_FN_1_OUT) #define GPIO110_MMCDAT2_MD (110 | GPIO_ALT_FN_1_OUT) #define GPIO110_MMCCS0_MD (110 | GPIO_ALT_FN_1_OUT) @@ -1510,6 +1528,8 @@ #define PSSR_BFS (1 << 1) /* Battery Fault Status */ #define PSSR_SSS (1 << 0) /* Software Sleep Status */ +#define PSLR_SL_ROD (1 << 20) /* Sleep-Mode/Depp-Sleep Mode nRESET_OUT Disable */ + #define PCFR_RO (1 << 15) /* RDH Override */ #define PCFR_PO (1 << 14) /* PH Override */ #define PCFR_GPROD (1 << 12) /* GPIO nRESET_OUT Disable */ @@ -1517,6 +1537,7 @@ #define PCFR_FVC (1 << 10) /* Frequency/Voltage Change */ #define PCFR_DC_EN (1 << 7) /* Sleep/deep-sleep DC-DC Converter Enable */ #define PCFR_PI2CEN (1 << 6) /* Enable PI2C controller */ +#define PCFR_GPR_EN (1 << 4) /* nRESET_GPIO Pin Enable */ #define PCFR_DS (1 << 3) /* Deep Sleep Mode */ #define PCFR_FS (1 << 2) /* Float Static Chip Selects */ #define PCFR_FP (1 << 1) /* Float PCMCIA controls */ @@ -1810,6 +1831,11 @@ #define LCCR0_PDD_S 12 #define LCCR0_BM (1 << 20) /* Branch mask */ #define LCCR0_OUM (1 << 21) /* Output FIFO underrun mask */ +#define LCCR0_LCDT (1 << 22) /* LCD panel type */ +#define LCCR0_RDSTM (1 << 23) /* Read status interrupt mask */ +#define LCCR0_CMDIM (1 << 24) /* Command interrupt mask */ +#define LCCR0_OUC (1 << 25) /* Overlay Underlay control bit */ +#define LCCR0_LDDALT (1 << 26) /* LDD alternate mapping control */ #define LCCR1_PPL Fld (10, 0) /* Pixels Per Line - 1 */ #define LCCR1_DisWdth(Pixel) /* Display Width [1..800 pix.] */ \ @@ -2062,7 +2088,10 @@ #define UHCFMN __REG(0x4C00003C) /* UHC Frame Number */ #define UHCPERS __REG(0x4C000040) /* UHC Periodic Start */ #define UHCLS __REG(0x4C000044) /* UHC Low Speed Threshold */ + #define UHCRHDA __REG(0x4C000048) /* UHC Root Hub Descriptor A */ +#define UHCRHDA_NOCP (1 << 12) /* No over current protection */ + #define UHCRHDB __REG(0x4C00004C) /* UHC Root Hub Descriptor B */ #define UHCRHS __REG(0x4C000050) /* UHC Root Hub Status */ #define UHCRHPS1 __REG(0x4C000054) /* UHC Root Hub Port 1 Status */ diff --git a/include/asm-arm/arch-s3c2410/regs-clock.h b/include/asm-arm/arch-s3c2410/regs-clock.h index e5e938b..16f4c3c 100644 --- a/include/asm-arm/arch-s3c2410/regs-clock.h +++ b/include/asm-arm/arch-s3c2410/regs-clock.h @@ -1,7 +1,7 @@ /* linux/include/asm/arch-s3c2410/regs-clock.h * - * Copyright (c) 2003,2004 Simtec Electronics <linux@simtec.co.uk> - * http://www.simtec.co.uk/products/SWLINUX/ + * Copyright (c) 2003,2004,2005 Simtec Electronics <linux@simtec.co.uk> + * http://armlinux.simtec.co.uk/ * * 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 @@ -17,6 +17,7 @@ * 29-Sep-2004 Ben Dooks Fixed usage for assembly inclusion * 10-Feb-2005 Ben Dooks Fixed CAMDIVN address (Guillaume Gourat) * 10-Mar-2005 Lucas Villa Real Changed S3C2410_VA to S3C24XX_VA + * 27-Aug-2005 Ben Dooks Add clock-slow info */ #ifndef __ASM_ARM_REGS_CLOCK @@ -74,6 +75,12 @@ #define S3C2410_CLKDIVN_PDIVN (1<<0) #define S3C2410_CLKDIVN_HDIVN (1<<1) +#define S3C2410_CLKSLOW_UCLK_OFF (1<<7) +#define S3C2410_CLKSLOW_MPLL_OFF (1<<5) +#define S3C2410_CLKSLOW_SLOW (1<<4) +#define S3C2410_CLKSLOW_SLOWVAL(x) (x) +#define S3C2410_CLKSLOW_GET_SLOWVAL(x) ((x) & 7) + #ifndef __ASSEMBLY__ static inline unsigned int diff --git a/include/asm-arm/arch-s3c2410/regs-iis.h b/include/asm-arm/arch-s3c2410/regs-iis.h index 385b07d..fdd62e8 100644 --- a/include/asm-arm/arch-s3c2410/regs-iis.h +++ b/include/asm-arm/arch-s3c2410/regs-iis.h @@ -15,6 +15,9 @@ * 12-03-2004 BJD Updated include protection * 07-03-2005 BJD Added FIFO size flags and S3C2440 MPLL * 05-04-2005 LCVR Added IISFCON definitions for the S3C2400 + * 18-07-2005 DA Change IISCON_MPLL to IISMOD_MPLL + * Correct IISMOD_256FS and IISMOD_384FS + * Add IISCON_PSCEN */ #ifndef __ASM_ARCH_REGS_IIS_H @@ -22,7 +25,6 @@ #define S3C2410_IISCON (0x00) -#define S3C2440_IISCON_MPLL (1<<9) #define S3C2410_IISCON_LRINDEX (1<<8) #define S3C2410_IISCON_TXFIFORDY (1<<7) #define S3C2410_IISCON_RXFIFORDY (1<<6) @@ -30,10 +32,12 @@ #define S3C2410_IISCON_RXDMAEN (1<<4) #define S3C2410_IISCON_TXIDLE (1<<3) #define S3C2410_IISCON_RXIDLE (1<<2) +#define S3C2410_IISCON_PSCEN (1<<1) #define S3C2410_IISCON_IISEN (1<<0) #define S3C2410_IISMOD (0x04) +#define S3C2440_IISMOD_MPLL (1<<9) #define S3C2410_IISMOD_SLAVE (1<<8) #define S3C2410_IISMOD_NOXFER (0<<6) #define S3C2410_IISMOD_RXMODE (1<<6) @@ -46,8 +50,8 @@ #define S3C2410_IISMOD_8BIT (0<<3) #define S3C2410_IISMOD_16BIT (1<<3) #define S3C2410_IISMOD_BITMASK (1<<3) -#define S3C2410_IISMOD_256FS (0<<1) -#define S3C2410_IISMOD_384FS (1<<1) +#define S3C2410_IISMOD_256FS (0<<2) +#define S3C2410_IISMOD_384FS (1<<2) #define S3C2410_IISMOD_16FS (0<<0) #define S3C2410_IISMOD_32FS (1<<0) #define S3C2410_IISMOD_48FS (2<<0) diff --git a/include/asm-arm/arch-s3c2410/usb-control.h b/include/asm-arm/arch-s3c2410/usb-control.h index 1cc85a0..bd43b56 100644 --- a/include/asm-arm/arch-s3c2410/usb-control.h +++ b/include/asm-arm/arch-s3c2410/usb-control.h @@ -12,6 +12,7 @@ * Changelog: * 11-Sep-2004 BJD Created file * 21-Sep-2004 BJD Updated port info + * 09-Aug-2005 BJD Renamed s3c2410_report_oc s3c2410_usb_report_oc */ #ifndef __ASM_ARCH_USBCONTROL_H @@ -35,7 +36,7 @@ struct s3c2410_hcd_info { void (*report_oc)(struct s3c2410_hcd_info *, int ports); }; -static void inline s3c2410_report_oc(struct s3c2410_hcd_info *info, int ports) +static void inline s3c2410_usb_report_oc(struct s3c2410_hcd_info *info, int ports) { if (info->report_oc != NULL) { (info->report_oc)(info, ports); diff --git a/include/asm-arm/arch-sa1100/mcp.h b/include/asm-arm/arch-sa1100/mcp.h new file mode 100644 index 0000000..f58a227 --- /dev/null +++ b/include/asm-arm/arch-sa1100/mcp.h @@ -0,0 +1,21 @@ +/* + * linux/include/asm-arm/arch-sa1100/mcp.h + * + * Copyright (C) 2005 Russell King. + * + * 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 __ASM_ARM_ARCH_MCP_H +#define __ASM_ARM_ARCH_MCP_H + +#include <linux/types.h> + +struct mcp_plat_data { + u32 mccr0; + u32 mccr1; + unsigned int sclk_rate; +}; + +#endif diff --git a/include/asm-arm/arch-shark/io.h b/include/asm-arm/arch-shark/io.h index 1e7f26b..5e6ed00 100644 --- a/include/asm-arm/arch-shark/io.h +++ b/include/asm-arm/arch-shark/io.h @@ -21,38 +21,8 @@ */ #define __PORT_PCIO(x) (!((x) & 0x80000000)) -/* - * Dynamic IO functions - let the compiler - * optimize the expressions - */ -#define DECLARE_DYN_OUT(fnsuffix,instr) \ -static inline void __out##fnsuffix (unsigned int value, unsigned int port) \ -{ \ - unsigned long temp; \ - __asm__ __volatile__( \ - "tst %2, #0x80000000\n\t" \ - "mov %0, %4\n\t" \ - "addeq %0, %0, %3\n\t" \ - "str" instr " %1, [%0, %2] @ out" #fnsuffix \ - : "=&r" (temp) \ - : "r" (value), "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE) \ - : "cc"); \ -} +#define __io(a) ((void __iomem *)(PCIO_BASE + (a))) -#define DECLARE_DYN_IN(sz,fnsuffix,instr) \ -static inline unsigned sz __in##fnsuffix (unsigned int port) \ -{ \ - unsigned long temp, value; \ - __asm__ __volatile__( \ - "tst %2, #0x80000000\n\t" \ - "mov %0, %4\n\t" \ - "addeq %0, %0, %3\n\t" \ - "ldr" instr " %1, [%0, %2] @ in" #fnsuffix \ - : "=&r" (temp), "=r" (value) \ - : "r" (port), "Ir" (PCIO_BASE - IO_BASE), "Ir" (IO_BASE) \ - : "cc"); \ - return (unsigned sz)value; \ -} static inline unsigned int __ioaddr (unsigned int port) \ { \ @@ -62,123 +32,8 @@ static inline unsigned int __ioaddr (unsigned int port) \ return (unsigned int)(IO_BASE + (port)); \ } -#define DECLARE_IO(sz,fnsuffix,instr) \ - DECLARE_DYN_OUT(fnsuffix,instr) \ - DECLARE_DYN_IN(sz,fnsuffix,instr) - -DECLARE_IO(char,b,"b") -DECLARE_IO(short,w,"h") -DECLARE_IO(long,l,"") - -#undef DECLARE_IO -#undef DECLARE_DYN_OUT -#undef DECLARE_DYN_IN - -/* - * Constant address IO functions - * - * These have to be macros for the 'J' constraint to work - - * +/-4096 immediate operand. - */ -#define __outbc(value,port) \ -({ \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "strb %0, [%1, %2] @ outbc" \ - : : "r" (value), "r" (PCIO_BASE), "Jr" (port)); \ - else \ - __asm__ __volatile__( \ - "strb %0, [%1, %2] @ outbc" \ - : : "r" (value), "r" (IO_BASE), "r" (port)); \ -}) - -#define __inbc(port) \ -({ \ - unsigned char result; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "ldrb %0, [%1, %2] @ inbc" \ - : "=r" (result) : "r" (PCIO_BASE), "Jr" (port)); \ - else \ - __asm__ __volatile__( \ - "ldrb %0, [%1, %2] @ inbc" \ - : "=r" (result) : "r" (IO_BASE), "r" (port)); \ - result; \ -}) - -#define __outwc(value,port) \ -({ \ - unsigned long v = value; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "strh %0, [%1, %2] @ outwc" \ - : : "r" (v|v<<16), "r" (PCIO_BASE), "Jr" (port)); \ - else \ - __asm__ __volatile__( \ - "strh %0, [%1, %2] @ outwc" \ - : : "r" (v|v<<16), "r" (IO_BASE), "r" (port)); \ -}) - -#define __inwc(port) \ -({ \ - unsigned short result; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "ldrh %0, [%1, %2] @ inwc" \ - : "=r" (result) : "r" (PCIO_BASE), "Jr" (port)); \ - else \ - __asm__ __volatile__( \ - "ldrh %0, [%1, %2] @ inwc" \ - : "=r" (result) : "r" (IO_BASE), "r" (port)); \ - result & 0xffff; \ -}) - -#define __outlc(value,port) \ -({ \ - unsigned long v = value; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "str %0, [%1, %2] @ outlc" \ - : : "r" (v), "r" (PCIO_BASE), "Jr" (port)); \ - else \ - __asm__ __volatile__( \ - "str %0, [%1, %2] @ outlc" \ - : : "r" (v), "r" (IO_BASE), "r" (port)); \ -}) - -#define __inlc(port) \ -({ \ - unsigned long result; \ - if (__PORT_PCIO((port))) \ - __asm__ __volatile__( \ - "ldr %0, [%1, %2] @ inlc" \ - : "=r" (result) : "r" (PCIO_BASE), "Jr" (port)); \ - else \ - __asm__ __volatile__( \ - "ldr %0, [%1, %2] @ inlc" \ - : "=r" (result) : "r" (IO_BASE), "r" (port)); \ - result; \ -}) - -#define __ioaddrc(port) \ -({ \ - unsigned long addr; \ - if (__PORT_PCIO((port))) \ - addr = PCIO_BASE + (port); \ - else \ - addr = IO_BASE + (port); \ - addr; \ -}) - #define __mem_pci(addr) (addr) -#define inb(p) (__builtin_constant_p((p)) ? __inbc(p) : __inb(p)) -#define inw(p) (__builtin_constant_p((p)) ? __inwc(p) : __inw(p)) -#define inl(p) (__builtin_constant_p((p)) ? __inlc(p) : __inl(p)) -#define outb(v,p) (__builtin_constant_p((p)) ? __outbc(v,p) : __outb(v,p)) -#define outw(v,p) (__builtin_constant_p((p)) ? __outwc(v,p) : __outw(v,p)) -#define outl(v,p) (__builtin_constant_p((p)) ? __outlc(v,p) : __outl(v,p)) - /* * Translated address IO functions * diff --git a/include/asm-arm/bitops.h b/include/asm-arm/bitops.h index 4edd4dc..aad7aad 100644 --- a/include/asm-arm/bitops.h +++ b/include/asm-arm/bitops.h @@ -21,8 +21,8 @@ #include <asm/system.h> -#define smp_mb__before_clear_bit() do { } while (0) -#define smp_mb__after_clear_bit() do { } while (0) +#define smp_mb__before_clear_bit() mb() +#define smp_mb__after_clear_bit() mb() /* * These functions are the basis of our bit ops. @@ -229,6 +229,7 @@ extern int _find_next_zero_bit_be(const void * p, int size, int offset); extern int _find_first_bit_be(const unsigned long *p, unsigned size); extern int _find_next_bit_be(const unsigned long *p, int size, int offset); +#ifndef CONFIG_SMP /* * The __* form of bitops are non-atomic and may be reordered. */ @@ -241,6 +242,10 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset); (__builtin_constant_p(nr) ? \ ____atomic_##name(nr, p) : \ _##name##_be(nr,p)) +#else +#define ATOMIC_BITOP_LE(name,nr,p) _##name##_le(nr,p) +#define ATOMIC_BITOP_BE(name,nr,p) _##name##_be(nr,p) +#endif #define NONATOMIC_BITOP(name,nr,p) \ (____nonatomic_##name(nr, p)) diff --git a/include/asm-arm/bug.h b/include/asm-arm/bug.h index 24d1167..7fb0213 100644 --- a/include/asm-arm/bug.h +++ b/include/asm-arm/bug.h @@ -5,7 +5,7 @@ #ifdef CONFIG_BUG #ifdef CONFIG_DEBUG_BUGVERBOSE -extern volatile void __bug(const char *file, int line, void *data); +extern void __bug(const char *file, int line, void *data) __attribute__((noreturn)); /* give file/line information */ #define BUG() __bug(__FILE__, __LINE__, NULL) diff --git a/include/asm-arm/cpu-multi32.h b/include/asm-arm/cpu-multi32.h index ff48022..4679f63 100644 --- a/include/asm-arm/cpu-multi32.h +++ b/include/asm-arm/cpu-multi32.h @@ -31,7 +31,7 @@ extern struct processor { /* * Special stuff for a reset */ - volatile void (*reset)(unsigned long addr); + void (*reset)(unsigned long addr) __attribute__((noreturn)); /* * Idle the processor */ diff --git a/include/asm-arm/cpu-single.h b/include/asm-arm/cpu-single.h index b5ec5d5..6723e67 100644 --- a/include/asm-arm/cpu-single.h +++ b/include/asm-arm/cpu-single.h @@ -41,4 +41,4 @@ extern int cpu_do_idle(void); extern void cpu_dcache_clean_area(void *, int); extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm); extern void cpu_set_pte(pte_t *ptep, pte_t pte); -extern volatile void cpu_reset(unsigned long addr); +extern void cpu_reset(unsigned long addr) __attribute__((noreturn)); diff --git a/include/asm-arm/emergency-restart.h b/include/asm-arm/emergency-restart.h new file mode 100644 index 0000000..108d8c4 --- /dev/null +++ b/include/asm-arm/emergency-restart.h @@ -0,0 +1,6 @@ +#ifndef _ASM_EMERGENCY_RESTART_H +#define _ASM_EMERGENCY_RESTART_H + +#include <asm-generic/emergency-restart.h> + +#endif /* _ASM_EMERGENCY_RESTART_H */ diff --git a/include/asm-arm/hardware/gic.h b/include/asm-arm/hardware/gic.h new file mode 100644 index 0000000..3fa5eb7 --- /dev/null +++ b/include/asm-arm/hardware/gic.h @@ -0,0 +1,41 @@ +/* + * linux/include/asm-arm/hardware/gic.h + * + * Copyright (C) 2002 ARM Limited, All Rights Reserved. + * + * 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 __ASM_ARM_HARDWARE_GIC_H +#define __ASM_ARM_HARDWARE_GIC_H + +#include <linux/compiler.h> + +#define GIC_CPU_CTRL 0x00 +#define GIC_CPU_PRIMASK 0x04 +#define GIC_CPU_BINPOINT 0x08 +#define GIC_CPU_INTACK 0x0c +#define GIC_CPU_EOI 0x10 +#define GIC_CPU_RUNNINGPRI 0x14 +#define GIC_CPU_HIGHPRI 0x18 + +#define GIC_DIST_CTRL 0x000 +#define GIC_DIST_CTR 0x004 +#define GIC_DIST_ENABLE_SET 0x100 +#define GIC_DIST_ENABLE_CLEAR 0x180 +#define GIC_DIST_PENDING_SET 0x200 +#define GIC_DIST_PENDING_CLEAR 0x280 +#define GIC_DIST_ACTIVE_BIT 0x300 +#define GIC_DIST_PRI 0x400 +#define GIC_DIST_TARGET 0x800 +#define GIC_DIST_CONFIG 0xc00 +#define GIC_DIST_SOFTINT 0xf00 + +#ifndef __ASSEMBLY__ +void gic_dist_init(void __iomem *base); +void gic_cpu_init(void __iomem *base); +void gic_raise_softirq(cpumask_t cpumask, unsigned int irq); +#endif + +#endif diff --git a/include/asm-arm/locks.h b/include/asm-arm/locks.h index c26298f..f08dc84 100644 --- a/include/asm-arm/locks.h +++ b/include/asm-arm/locks.h @@ -28,7 +28,8 @@ " blmi " #fail \ : \ : "r" (ptr), "I" (1) \ - : "ip", "lr", "cc", "memory"); \ + : "ip", "lr", "cc"); \ + smp_mb(); \ }) #define __down_op_ret(ptr,fail) \ @@ -48,12 +49,14 @@ " mov %0, ip" \ : "=&r" (ret) \ : "r" (ptr), "I" (1) \ - : "ip", "lr", "cc", "memory"); \ + : "ip", "lr", "cc"); \ + smp_mb(); \ ret; \ }) #define __up_op(ptr,wake) \ ({ \ + smp_mb(); \ __asm__ __volatile__( \ "@ up_op\n" \ "1: ldrex lr, [%0]\n" \ @@ -61,12 +64,12 @@ " strex ip, lr, [%0]\n" \ " teq ip, #0\n" \ " bne 1b\n" \ -" teq lr, #0\n" \ +" cmp lr, #0\n" \ " movle ip, %0\n" \ " blle " #wake \ : \ : "r" (ptr), "I" (1) \ - : "ip", "lr", "cc", "memory"); \ + : "ip", "lr", "cc"); \ }) /* @@ -92,15 +95,17 @@ " blne " #fail \ : \ : "r" (ptr), "I" (RW_LOCK_BIAS) \ - : "ip", "lr", "cc", "memory"); \ + : "ip", "lr", "cc"); \ + smp_mb(); \ }) #define __up_op_write(ptr,wake) \ ({ \ + smp_mb(); \ __asm__ __volatile__( \ "@ up_op_read\n" \ "1: ldrex lr, [%0]\n" \ -" add lr, lr, %1\n" \ +" adds lr, lr, %1\n" \ " strex ip, lr, [%0]\n" \ " teq ip, #0\n" \ " bne 1b\n" \ @@ -108,7 +113,7 @@ " blcs " #wake \ : \ : "r" (ptr), "I" (RW_LOCK_BIAS) \ - : "ip", "lr", "cc", "memory"); \ + : "ip", "lr", "cc"); \ }) #define __down_op_read(ptr,fail) \ @@ -116,6 +121,7 @@ #define __up_op_read(ptr,wake) \ ({ \ + smp_mb(); \ __asm__ __volatile__( \ "@ up_op_read\n" \ "1: ldrex lr, [%0]\n" \ @@ -128,7 +134,7 @@ " bleq " #wake \ : \ : "r" (ptr), "I" (1) \ - : "ip", "lr", "cc", "memory"); \ + : "ip", "lr", "cc"); \ }) #else @@ -148,7 +154,8 @@ " blmi " #fail \ : \ : "r" (ptr), "I" (1) \ - : "ip", "lr", "cc", "memory"); \ + : "ip", "lr", "cc"); \ + smp_mb(); \ }) #define __down_op_ret(ptr,fail) \ @@ -169,12 +176,14 @@ " mov %0, ip" \ : "=&r" (ret) \ : "r" (ptr), "I" (1) \ - : "ip", "lr", "cc", "memory"); \ + : "ip", "lr", "cc"); \ + smp_mb(); \ ret; \ }) #define __up_op(ptr,wake) \ ({ \ + smp_mb(); \ __asm__ __volatile__( \ "@ up_op\n" \ " mrs ip, cpsr\n" \ @@ -188,7 +197,7 @@ " blle " #wake \ : \ : "r" (ptr), "I" (1) \ - : "ip", "lr", "cc", "memory"); \ + : "ip", "lr", "cc"); \ }) /* @@ -215,7 +224,8 @@ " blne " #fail \ : \ : "r" (ptr), "I" (RW_LOCK_BIAS) \ - : "ip", "lr", "cc", "memory"); \ + : "ip", "lr", "cc"); \ + smp_mb(); \ }) #define __up_op_write(ptr,wake) \ @@ -233,7 +243,8 @@ " blcs " #wake \ : \ : "r" (ptr), "I" (RW_LOCK_BIAS) \ - : "ip", "lr", "cc", "memory"); \ + : "ip", "lr", "cc"); \ + smp_mb(); \ }) #define __down_op_read(ptr,fail) \ @@ -241,6 +252,7 @@ #define __up_op_read(ptr,wake) \ ({ \ + smp_mb(); \ __asm__ __volatile__( \ "@ up_op_read\n" \ " mrs ip, cpsr\n" \ @@ -254,7 +266,7 @@ " bleq " #wake \ : \ : "r" (ptr), "I" (1) \ - : "ip", "lr", "cc", "memory"); \ + : "ip", "lr", "cc"); \ }) #endif diff --git a/include/asm-arm/mach/irq.h b/include/asm-arm/mach/irq.h index a43a353..0ce6ca5 100644 --- a/include/asm-arm/mach/irq.h +++ b/include/asm-arm/mach/irq.h @@ -42,11 +42,11 @@ struct irqchip { /* * Set the type of the IRQ. */ - int (*type)(unsigned int, unsigned int); + int (*set_type)(unsigned int, unsigned int); /* * Set wakeup-enable on the selected IRQ */ - int (*wake)(unsigned int, unsigned int); + int (*set_wake)(unsigned int, unsigned int); #ifdef CONFIG_SMP /* @@ -92,6 +92,14 @@ struct irqdesc { extern struct irqdesc irq_desc[]; /* + * Helpful inline function for calling irq descriptor handlers. + */ +static inline void desc_handle_irq(unsigned int irq, struct irqdesc *desc, struct pt_regs *regs) +{ + desc->handle(irq, desc, regs); +} + +/* * This is internal. Do not use it. */ extern void (*init_arch_irq)(void); diff --git a/include/asm-arm/page.h b/include/asm-arm/page.h index 019c45d..4da1d53 100644 --- a/include/asm-arm/page.h +++ b/include/asm-arm/page.h @@ -163,20 +163,6 @@ typedef unsigned long pgprot_t; /* the upper-most page table pointer */ extern pmd_t *top_pmd; -/* Pure 2^n version of get_order */ -static inline int get_order(unsigned long size) -{ - int order; - - size = (size-1) >> (PAGE_SHIFT-1); - order = -1; - do { - size >>= 1; - order++; - } while (size); - return order; -} - #include <asm/memory.h> #endif /* !__ASSEMBLY__ */ @@ -186,4 +172,6 @@ static inline int get_order(unsigned long size) #endif /* __KERNEL__ */ +#include <asm-generic/page.h> + #endif diff --git a/include/asm-arm/pci.h b/include/asm-arm/pci.h index e300646..38ea589 100644 --- a/include/asm-arm/pci.h +++ b/include/asm-arm/pci.h @@ -14,7 +14,7 @@ static inline void pcibios_set_master(struct pci_dev *dev) /* No special bus mastering setup handling */ } -static inline void pcibios_penalize_isa_irq(int irq) +static inline void pcibios_penalize_isa_irq(int irq, int active) { /* We don't do dynamic PCI IRQ allocation */ } @@ -60,6 +60,10 @@ extern void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, struct resource *res); +extern void +pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, + struct pci_bus_region *region); + static inline void pcibios_add_platform_entries(struct pci_dev *dev) { } diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h index a9892eb..478c49b 100644 --- a/include/asm-arm/pgtable.h +++ b/include/asm-arm/pgtable.h @@ -188,12 +188,18 @@ extern void __pgd_error(const char *file, int line, unsigned long val); /* * - extended small page/tiny page */ +#define PTE_EXT_XN (1 << 0) /* v6 */ #define PTE_EXT_AP_MASK (3 << 4) +#define PTE_EXT_AP0 (1 << 4) +#define PTE_EXT_AP1 (2 << 4) #define PTE_EXT_AP_UNO_SRO (0 << 4) -#define PTE_EXT_AP_UNO_SRW (1 << 4) -#define PTE_EXT_AP_URO_SRW (2 << 4) -#define PTE_EXT_AP_URW_SRW (3 << 4) +#define PTE_EXT_AP_UNO_SRW (PTE_EXT_AP0) +#define PTE_EXT_AP_URO_SRW (PTE_EXT_AP1) +#define PTE_EXT_AP_URW_SRW (PTE_EXT_AP1|PTE_EXT_AP0) #define PTE_EXT_TEX(x) ((x) << 6) /* v5 */ +#define PTE_EXT_APX (1 << 9) /* v6 */ +#define PTE_EXT_SHARED (1 << 10) /* v6 */ +#define PTE_EXT_NG (1 << 11) /* v6 */ /* * - small page @@ -224,6 +230,8 @@ extern void __pgd_error(const char *file, int line, unsigned long val); #define L_PTE_WRITE (1 << 5) #define L_PTE_EXEC (1 << 6) #define L_PTE_DIRTY (1 << 7) +#define L_PTE_SHARED (1 << 10) /* shared between CPUs (v6) */ +#define L_PTE_ASID (1 << 11) /* non-global (use ASID, v6) */ #ifndef __ASSEMBLY__ diff --git a/include/asm-arm/smp.h b/include/asm-arm/smp.h index 6c6c60a..dbb4d85 100644 --- a/include/asm-arm/smp.h +++ b/include/asm-arm/smp.h @@ -23,9 +23,6 @@ #define raw_smp_processor_id() (current_thread_info()->cpu) -extern cpumask_t cpu_present_mask; -#define cpu_possible_map cpu_present_mask - /* * at the moment, there's not a big penalty for changing CPUs * (the >big< penalty is running SMP in the first place) diff --git a/include/asm-arm/socket.h b/include/asm-arm/socket.h index 46d2058..3c51da6 100644 --- a/include/asm-arm/socket.h +++ b/include/asm-arm/socket.h @@ -14,6 +14,8 @@ #define SO_BROADCAST 6 #define SO_SNDBUF 7 #define SO_RCVBUF 8 +#define SO_SNDBUFFORCE 32 +#define SO_RCVBUFFORCE 33 #define SO_KEEPALIVE 9 #define SO_OOBINLINE 10 #define SO_NO_CHECK 11 diff --git a/include/asm-arm/spinlock.h b/include/asm-arm/spinlock.h index 1823236..1f906d0 100644 --- a/include/asm-arm/spinlock.h +++ b/include/asm-arm/spinlock.h @@ -8,9 +8,10 @@ /* * ARMv6 Spin-locking. * - * We (exclusively) read the old value, and decrement it. If it - * hits zero, we may have won the lock, so we try (exclusively) - * storing it. + * We exclusively read the old value. If it is zero, we may have + * won the lock, so we try exclusively storing it. A memory barrier + * is required after we get a lock, and before we release it, because + * V6 CPUs are assumed to have weakly ordered memory. * * Unlocked value: 0 * Locked value: 1 @@ -41,7 +42,9 @@ static inline void _raw_spin_lock(spinlock_t *lock) " bne 1b" : "=&r" (tmp) : "r" (&lock->lock), "r" (1) - : "cc", "memory"); + : "cc"); + + smp_mb(); } static inline int _raw_spin_trylock(spinlock_t *lock) @@ -54,18 +57,25 @@ static inline int _raw_spin_trylock(spinlock_t *lock) " strexeq %0, %2, [%1]" : "=&r" (tmp) : "r" (&lock->lock), "r" (1) - : "cc", "memory"); - - return tmp == 0; + : "cc"); + + if (tmp == 0) { + smp_mb(); + return 1; + } else { + return 0; + } } static inline void _raw_spin_unlock(spinlock_t *lock) { + smp_mb(); + __asm__ __volatile__( " str %1, [%0]" : : "r" (&lock->lock), "r" (0) - : "cc", "memory"); + : "cc"); } /* @@ -79,7 +89,8 @@ typedef struct { } rwlock_t; #define RW_LOCK_UNLOCKED (rwlock_t) { 0 } -#define rwlock_init(x) do { *(x) + RW_LOCK_UNLOCKED; } while (0) +#define rwlock_init(x) do { *(x) = RW_LOCK_UNLOCKED; } while (0) +#define rwlock_is_locked(x) (*((volatile unsigned int *)(x)) != 0) /* * Write locks are easy - we just set bit 31. When unlocking, we can @@ -97,16 +108,40 @@ static inline void _raw_write_lock(rwlock_t *rw) " bne 1b" : "=&r" (tmp) : "r" (&rw->lock), "r" (0x80000000) - : "cc", "memory"); + : "cc"); + + smp_mb(); +} + +static inline int _raw_write_trylock(rwlock_t *rw) +{ + unsigned long tmp; + + __asm__ __volatile__( +"1: ldrex %0, [%1]\n" +" teq %0, #0\n" +" strexeq %0, %2, [%1]" + : "=&r" (tmp) + : "r" (&rw->lock), "r" (0x80000000) + : "cc"); + + if (tmp == 0) { + smp_mb(); + return 1; + } else { + return 0; + } } static inline void _raw_write_unlock(rwlock_t *rw) { + smp_mb(); + __asm__ __volatile__( "str %1, [%0]" : : "r" (&rw->lock), "r" (0) - : "cc", "memory"); + : "cc"); } /* @@ -133,11 +168,17 @@ static inline void _raw_read_lock(rwlock_t *rw) " bmi 1b" : "=&r" (tmp), "=&r" (tmp2) : "r" (&rw->lock) - : "cc", "memory"); + : "cc"); + + smp_mb(); } static inline void _raw_read_unlock(rwlock_t *rw) { + unsigned long tmp, tmp2; + + smp_mb(); + __asm__ __volatile__( "1: ldrex %0, [%2]\n" " sub %0, %0, #1\n" @@ -146,24 +187,9 @@ static inline void _raw_read_unlock(rwlock_t *rw) " bne 1b" : "=&r" (tmp), "=&r" (tmp2) : "r" (&rw->lock) - : "cc", "memory"); + : "cc"); } #define _raw_read_trylock(lock) generic_raw_read_trylock(lock) -static inline int _raw_write_trylock(rwlock_t *rw) -{ - unsigned long tmp; - - __asm__ __volatile__( -"1: ldrex %0, [%1]\n" -" teq %0, #0\n" -" strexeq %0, %2, [%1]" - : "=&r" (tmp) - : "r" (&rw->lock), "r" (0x80000000) - : "cc", "memory"); - - return tmp == 0; -} - #endif /* __ASM_SPINLOCK_H */ diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index 2f44b20..8efa4eb 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -139,7 +139,12 @@ extern unsigned int user_debug; #define vectors_high() (0) #endif +#if __LINUX_ARM_ARCH__ >= 6 +#define mb() __asm__ __volatile__ ("mcr p15, 0, %0, c7, c10, 5" \ + : : "r" (0) : "memory") +#else #define mb() __asm__ __volatile__ ("" : : : "memory") +#endif #define rmb() mb() #define wmb() mb() #define read_barrier_depends() do { } while(0) @@ -323,12 +328,8 @@ do { \ * NOTE that this solution won't work on an SMP system, so explcitly * forbid it here. */ -#ifdef CONFIG_SMP -#error SMP is not supported on SA1100/SA110 -#else #define swp_is_buggy #endif -#endif static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size) { @@ -337,35 +338,68 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size #ifdef swp_is_buggy unsigned long flags; #endif +#if __LINUX_ARM_ARCH__ >= 6 + unsigned int tmp; +#endif switch (size) { -#ifdef swp_is_buggy - case 1: - local_irq_save(flags); - ret = *(volatile unsigned char *)ptr; - *(volatile unsigned char *)ptr = x; - local_irq_restore(flags); - break; - - case 4: - local_irq_save(flags); - ret = *(volatile unsigned long *)ptr; - *(volatile unsigned long *)ptr = x; - local_irq_restore(flags); - break; +#if __LINUX_ARM_ARCH__ >= 6 + case 1: + asm volatile("@ __xchg1\n" + "1: ldrexb %0, [%3]\n" + " strexb %1, %2, [%3]\n" + " teq %1, #0\n" + " bne 1b" + : "=&r" (ret), "=&r" (tmp) + : "r" (x), "r" (ptr) + : "memory", "cc"); + break; + case 4: + asm volatile("@ __xchg4\n" + "1: ldrex %0, [%3]\n" + " strex %1, %2, [%3]\n" + " teq %1, #0\n" + " bne 1b" + : "=&r" (ret), "=&r" (tmp) + : "r" (x), "r" (ptr) + : "memory", "cc"); + break; +#elif defined(swp_is_buggy) +#ifdef CONFIG_SMP +#error SMP is not supported on this platform +#endif + case 1: + local_irq_save(flags); + ret = *(volatile unsigned char *)ptr; + *(volatile unsigned char *)ptr = x; + local_irq_restore(flags); + break; + + case 4: + local_irq_save(flags); + ret = *(volatile unsigned long *)ptr; + *(volatile unsigned long *)ptr = x; + local_irq_restore(flags); + break; #else - case 1: __asm__ __volatile__ ("swpb %0, %1, [%2]" - : "=&r" (ret) - : "r" (x), "r" (ptr) - : "memory", "cc"); - break; - case 4: __asm__ __volatile__ ("swp %0, %1, [%2]" - : "=&r" (ret) - : "r" (x), "r" (ptr) - : "memory", "cc"); - break; + case 1: + asm volatile("@ __xchg1\n" + " swpb %0, %1, [%2]" + : "=&r" (ret) + : "r" (x), "r" (ptr) + : "memory", "cc"); + break; + case 4: + asm volatile("@ __xchg4\n" + " swp %0, %1, [%2]" + : "=&r" (ret) + : "r" (x), "r" (ptr) + : "memory", "cc"); + break; #endif - default: __bad_xchg(ptr, size), ret = 0; + default: + __bad_xchg(ptr, size), ret = 0; + break; } return ret; diff --git a/include/asm-arm/types.h b/include/asm-arm/types.h index f4c92e4..22992ee 100644 --- a/include/asm-arm/types.h +++ b/include/asm-arm/types.h @@ -52,8 +52,6 @@ typedef unsigned long long u64; typedef u32 dma_addr_t; typedef u32 dma64_addr_t; -typedef unsigned int kmem_bufctl_t; - #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h index ace2748..278de61 100644 --- a/include/asm-arm/unistd.h +++ b/include/asm-arm/unistd.h @@ -295,7 +295,7 @@ #define __NR_fstatfs64 (__NR_SYSCALL_BASE+267) #define __NR_tgkill (__NR_SYSCALL_BASE+268) #define __NR_utimes (__NR_SYSCALL_BASE+269) -#define __NR_fadvise64_64 (__NR_SYSCALL_BASE+270) +#define __NR_arm_fadvise64_64 (__NR_SYSCALL_BASE+270) #define __NR_pciconfig_iobase (__NR_SYSCALL_BASE+271) #define __NR_pciconfig_read (__NR_SYSCALL_BASE+272) #define __NR_pciconfig_write (__NR_SYSCALL_BASE+273) @@ -350,6 +350,11 @@ #endif #define __NR_vserver (__NR_SYSCALL_BASE+313) +#define __NR_ioprio_set (__NR_SYSCALL_BASE+314) +#define __NR_ioprio_get (__NR_SYSCALL_BASE+315) +#define __NR_inotify_init (__NR_SYSCALL_BASE+316) +#define __NR_inotify_add_watch (__NR_SYSCALL_BASE+317) +#define __NR_inotify_rm_watch (__NR_SYSCALL_BASE+318) /* * The following SWIs are ARM private. @@ -510,7 +515,6 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6 #define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_SYS_UTIME #define __ARCH_WANT_SYS_SOCKETCALL -#define __ARCH_WANT_SYS_FADVISE64 #define __ARCH_WANT_SYS_GETPGRP #define __ARCH_WANT_SYS_LLSEEK #define __ARCH_WANT_SYS_NICE |