diff options
Diffstat (limited to 'include/asm-arm')
-rw-r--r-- | include/asm-arm/arch-aaec2000/debug-macro.S | 1 | ||||
-rw-r--r-- | include/asm-arm/arch-aaec2000/entry-macro.S | 1 | ||||
-rw-r--r-- | include/asm-arm/arch-imx/debug-macro.S | 2 | ||||
-rw-r--r-- | include/asm-arm/arch-pxa/pxa2xx_spi.h | 71 | ||||
-rw-r--r-- | include/asm-arm/arch-s3c2410/spi-gpio.h | 31 | ||||
-rw-r--r-- | include/asm-arm/arch-s3c2410/spi.h | 29 | ||||
-rw-r--r-- | include/asm-arm/procinfo.h | 2 | ||||
-rw-r--r-- | include/asm-arm/spinlock.h | 6 |
8 files changed, 140 insertions, 3 deletions
diff --git a/include/asm-arm/arch-aaec2000/debug-macro.S b/include/asm-arm/arch-aaec2000/debug-macro.S index e4f1fa5..7b1fce0 100644 --- a/include/asm-arm/arch-aaec2000/debug-macro.S +++ b/include/asm-arm/arch-aaec2000/debug-macro.S @@ -9,6 +9,7 @@ * published by the Free Software Foundation. */ +#include "hardware.h" .macro addruart,rx mrc p15, 0, \rx, c1, c0 tst \rx, #1 @ MMU enabled? diff --git a/include/asm-arm/arch-aaec2000/entry-macro.S b/include/asm-arm/arch-aaec2000/entry-macro.S index df31313..1eb3503 100644 --- a/include/asm-arm/arch-aaec2000/entry-macro.S +++ b/include/asm-arm/arch-aaec2000/entry-macro.S @@ -10,6 +10,7 @@ * published by the Free Software Foundation. * */ +#include <asm/arch/irqs.h> .macro disable_fiq .endm diff --git a/include/asm-arm/arch-imx/debug-macro.S b/include/asm-arm/arch-imx/debug-macro.S index 83f552f..c611871 100644 --- a/include/asm-arm/arch-imx/debug-macro.S +++ b/include/asm-arm/arch-imx/debug-macro.S @@ -16,7 +16,7 @@ tst \rx, #1 @ MMU enabled? moveq \rx, #0x00000000 @ physical movne \rx, #0xe0000000 @ virtual - orr \rx, \rx, #0x00200000 + orreq \rx, \rx, #0x00200000 @ physical orr \rx, \rx, #0x00006000 @ UART1 offset .endm diff --git a/include/asm-arm/arch-pxa/pxa2xx_spi.h b/include/asm-arm/arch-pxa/pxa2xx_spi.h new file mode 100644 index 0000000..915590c3 --- /dev/null +++ b/include/asm-arm/arch-pxa/pxa2xx_spi.h @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs + * + * 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 Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef PXA2XX_SPI_H_ +#define PXA2XX_SPI_H_ + +#define PXA2XX_CS_ASSERT (0x01) +#define PXA2XX_CS_DEASSERT (0x02) + +#if defined(CONFIG_PXA25x) +#define CLOCK_SPEED_HZ 3686400 +#define SSP1_SerClkDiv(x) (((CLOCK_SPEED_HZ/2/(x+1))<<8)&0x0000ff00) +#define SSP2_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP3_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP_TIMEOUT_SCALE (2712) +#elif defined(CONFIG_PXA27x) +#define CLOCK_SPEED_HZ 13000000 +#define SSP1_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP2_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP3_SerClkDiv(x) (((CLOCK_SPEED_HZ/(x+1))<<8)&0x000fff00) +#define SSP_TIMEOUT_SCALE (769) +#endif + +#define SSP_TIMEOUT(x) ((x*10000)/SSP_TIMEOUT_SCALE) +#define SSP1_VIRT ((void *)(io_p2v(__PREG(SSCR0_P(1))))) +#define SSP2_VIRT ((void *)(io_p2v(__PREG(SSCR0_P(2))))) +#define SSP3_VIRT ((void *)(io_p2v(__PREG(SSCR0_P(3))))) + +enum pxa_ssp_type { + SSP_UNDEFINED = 0, + PXA25x_SSP, /* pxa 210, 250, 255, 26x */ + PXA25x_NSSP, /* pxa 255, 26x (including ASSP) */ + PXA27x_SSP, +}; + +/* device.platform_data for SSP controller devices */ +struct pxa2xx_spi_master { + enum pxa_ssp_type ssp_type; + u32 clock_enable; + u16 num_chipselect; + u8 enable_dma; +}; + +/* spi_board_info.controller_data for SPI slave devices, + * copied to spi_device.platform_data ... mostly for dma tuning + */ +struct pxa2xx_spi_chip { + u8 tx_threshold; + u8 rx_threshold; + u8 dma_burst_size; + u32 timeout_microsecs; + u8 enable_loopback; + void (*cs_control)(u32 command); +}; + +#endif /*PXA2XX_SPI_H_*/ diff --git a/include/asm-arm/arch-s3c2410/spi-gpio.h b/include/asm-arm/arch-s3c2410/spi-gpio.h new file mode 100644 index 0000000..258c00b --- /dev/null +++ b/include/asm-arm/arch-s3c2410/spi-gpio.h @@ -0,0 +1,31 @@ +/* linux/include/asm-arm/arch-s3c2410/spi.h + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - SPI Controller platfrom_device info + * + * 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_ARCH_SPIGPIO_H +#define __ASM_ARCH_SPIGPIO_H __FILE__ + +struct s3c2410_spigpio_info; +struct spi_board_info; + +struct s3c2410_spigpio_info { + unsigned long pin_clk; + unsigned long pin_mosi; + unsigned long pin_miso; + + unsigned long board_size; + struct spi_board_info *board_info; + + void (*chip_select)(struct s3c2410_spigpio_info *spi, int cs); +}; + + +#endif /* __ASM_ARCH_SPIGPIO_H */ diff --git a/include/asm-arm/arch-s3c2410/spi.h b/include/asm-arm/arch-s3c2410/spi.h new file mode 100644 index 0000000..4029a1a --- /dev/null +++ b/include/asm-arm/arch-s3c2410/spi.h @@ -0,0 +1,29 @@ +/* linux/include/asm-arm/arch-s3c2410/spi.h + * + * Copyright (c) 2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - SPI Controller platform_device info + * + * 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_ARCH_SPI_H +#define __ASM_ARCH_SPI_H __FILE__ + +struct s3c2410_spi_info; +struct spi_board_info; + +struct s3c2410_spi_info { + unsigned long pin_cs; /* simple gpio cs */ + + unsigned long board_size; + struct spi_board_info *board_info; + + void (*set_cs)(struct s3c2410_spi_info *spi, int cs, int pol); +}; + + +#endif /* __ASM_ARCH_SPI_H */ diff --git a/include/asm-arm/procinfo.h b/include/asm-arm/procinfo.h index a9c75b2..8425260 100644 --- a/include/asm-arm/procinfo.h +++ b/include/asm-arm/procinfo.h @@ -45,8 +45,6 @@ extern unsigned int elf_hwcap; #endif /* __ASSEMBLY__ */ -#define PROC_INFO_SZ 48 - #define HWCAP_SWP 1 #define HWCAP_HALF 2 #define HWCAP_THUMB 4 diff --git a/include/asm-arm/spinlock.h b/include/asm-arm/spinlock.h index 43ad4e5..406ca97 100644 --- a/include/asm-arm/spinlock.h +++ b/include/asm-arm/spinlock.h @@ -142,6 +142,9 @@ static inline void __raw_write_unlock(raw_rwlock_t *rw) : "cc"); } +/* write_can_lock - would write_trylock() succeed? */ +#define __raw_write_can_lock(x) ((x)->lock == 0x80000000) + /* * Read locks are a bit more hairy: * - Exclusively load the lock value. @@ -198,4 +201,7 @@ static inline void __raw_read_unlock(raw_rwlock_t *rw) #define __raw_read_trylock(lock) generic__raw_read_trylock(lock) +/* read_can_lock - would read_trylock() succeed? */ +#define __raw_read_can_lock(x) ((x)->lock < 0x80000000) + #endif /* __ASM_SPINLOCK_H */ |