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author | Grant Likely <grant.likely@secretlab.ca> | 2011-06-06 09:16:30 +0200 |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2011-06-06 09:16:30 +0200 |
commit | ca632f556697d45d67ed5cada7cedf3ddfe0db4b (patch) | |
tree | f393534b929abb32813ea5c495f1ac6d93a10d1d /drivers/spi/spi_s3c24xx_fiq.S | |
parent | spi/bitbang: initialize bits_per_word as specified by spi message (diff) | |
download | linux-ca632f556697d45d67ed5cada7cedf3ddfe0db4b.tar.xz linux-ca632f556697d45d67ed5cada7cedf3ddfe0db4b.zip |
spi: reorganize drivers
Sort the SPI makefile and enforce the naming convention spi_*.c for
spi drivers.
This change also rolls the contents of atmel_spi.h into the .c file
since there is only one user of that particular include file.
v2: - Use 'spi-' prefix instead of 'spi_' to match what seems to be
be the predominant pattern for subsystem prefixes.
- Clean up filenames in Kconfig and header comment blocks
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/spi/spi_s3c24xx_fiq.S')
-rw-r--r-- | drivers/spi/spi_s3c24xx_fiq.S | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/drivers/spi/spi_s3c24xx_fiq.S b/drivers/spi/spi_s3c24xx_fiq.S deleted file mode 100644 index 3793cae361db..000000000000 --- a/drivers/spi/spi_s3c24xx_fiq.S +++ /dev/null @@ -1,116 +0,0 @@ -/* linux/drivers/spi/spi_s3c24xx_fiq.S - * - * Copyright 2009 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C24XX SPI - FIQ pseudo-DMA transfer code - * - * 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. -*/ - -#include <linux/linkage.h> -#include <asm/assembler.h> - -#include <mach/map.h> -#include <mach/regs-irq.h> -#include <plat/regs-spi.h> - -#include "spi_s3c24xx_fiq.h" - - .text - - @ entry to these routines is as follows, with the register names - @ defined in fiq.h so that they can be shared with the C files which - @ setup the calling registers. - @ - @ fiq_rirq The base of the IRQ registers to find S3C2410_SRCPND - @ fiq_rtmp Temporary register to hold tx/rx data - @ fiq_rspi The base of the SPI register block - @ fiq_rtx The tx buffer pointer - @ fiq_rrx The rx buffer pointer - @ fiq_rcount The number of bytes to move - - @ each entry starts with a word entry of how long it is - @ and an offset to the irq acknowledgment word - -ENTRY(s3c24xx_spi_fiq_rx) -s3c24xx_spi_fix_rx: - .word fiq_rx_end - fiq_rx_start - .word fiq_rx_irq_ack - fiq_rx_start -fiq_rx_start: - ldr fiq_rtmp, fiq_rx_irq_ack - str fiq_rtmp, [ fiq_rirq, # S3C2410_SRCPND - S3C24XX_VA_IRQ ] - - ldrb fiq_rtmp, [ fiq_rspi, # S3C2410_SPRDAT ] - strb fiq_rtmp, [ fiq_rrx ], #1 - - mov fiq_rtmp, #0xff - strb fiq_rtmp, [ fiq_rspi, # S3C2410_SPTDAT ] - - subs fiq_rcount, fiq_rcount, #1 - subnes pc, lr, #4 @@ return, still have work to do - - @@ set IRQ controller so that next op will trigger IRQ - mov fiq_rtmp, #0 - str fiq_rtmp, [ fiq_rirq, # S3C2410_INTMOD - S3C24XX_VA_IRQ ] - subs pc, lr, #4 - -fiq_rx_irq_ack: - .word 0 -fiq_rx_end: - -ENTRY(s3c24xx_spi_fiq_txrx) -s3c24xx_spi_fiq_txrx: - .word fiq_txrx_end - fiq_txrx_start - .word fiq_txrx_irq_ack - fiq_txrx_start -fiq_txrx_start: - - ldrb fiq_rtmp, [ fiq_rspi, # S3C2410_SPRDAT ] - strb fiq_rtmp, [ fiq_rrx ], #1 - - ldr fiq_rtmp, fiq_txrx_irq_ack - str fiq_rtmp, [ fiq_rirq, # S3C2410_SRCPND - S3C24XX_VA_IRQ ] - - ldrb fiq_rtmp, [ fiq_rtx ], #1 - strb fiq_rtmp, [ fiq_rspi, # S3C2410_SPTDAT ] - - subs fiq_rcount, fiq_rcount, #1 - subnes pc, lr, #4 @@ return, still have work to do - - mov fiq_rtmp, #0 - str fiq_rtmp, [ fiq_rirq, # S3C2410_INTMOD - S3C24XX_VA_IRQ ] - subs pc, lr, #4 - -fiq_txrx_irq_ack: - .word 0 - -fiq_txrx_end: - -ENTRY(s3c24xx_spi_fiq_tx) -s3c24xx_spi_fix_tx: - .word fiq_tx_end - fiq_tx_start - .word fiq_tx_irq_ack - fiq_tx_start -fiq_tx_start: - ldrb fiq_rtmp, [ fiq_rspi, # S3C2410_SPRDAT ] - - ldr fiq_rtmp, fiq_tx_irq_ack - str fiq_rtmp, [ fiq_rirq, # S3C2410_SRCPND - S3C24XX_VA_IRQ ] - - ldrb fiq_rtmp, [ fiq_rtx ], #1 - strb fiq_rtmp, [ fiq_rspi, # S3C2410_SPTDAT ] - - subs fiq_rcount, fiq_rcount, #1 - subnes pc, lr, #4 @@ return, still have work to do - - mov fiq_rtmp, #0 - str fiq_rtmp, [ fiq_rirq, # S3C2410_INTMOD - S3C24XX_VA_IRQ ] - subs pc, lr, #4 - -fiq_tx_irq_ack: - .word 0 - -fiq_tx_end: - - .end |