diff options
Diffstat (limited to 'include/asm-arm/arch-pxa/pxa2xx_spi.h')
| -rw-r--r-- | include/asm-arm/arch-pxa/pxa2xx_spi.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/include/asm-arm/arch-pxa/pxa2xx_spi.h b/include/asm-arm/arch-pxa/pxa2xx_spi.h deleted file mode 100644 index 915590c391c..00000000000 --- a/include/asm-arm/arch-pxa/pxa2xx_spi.h +++ /dev/null @@ -1,71 +0,0 @@ -/* - * 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_*/ |
