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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/spi/spi-s3c24xx-fiq.S | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/spi/spi-s3c24xx-fiq.S')
-rw-r--r-- | ANDROID_3.4.5/drivers/spi/spi-s3c24xx-fiq.S | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/ANDROID_3.4.5/drivers/spi/spi-s3c24xx-fiq.S b/ANDROID_3.4.5/drivers/spi/spi-s3c24xx-fiq.S deleted file mode 100644 index 059f2dc1..00000000 --- a/ANDROID_3.4.5/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 |