Merge branch 'renesas-sh73a0' into renesas-kzm9g
* renesas-sh73a0: ARM: shmobile: use common DMAEngine definitions on sh73a0 ARM: shmobile: sh73a0: add DMAEngine support for MPDMAC ARM: shmobile: sh73a0: add USB clock support ARM: shmobile: add common DMAEngine definitions ARM: shmobile: add common extra gpio functions
This commit is contained in:
commit
0fcc6d5502
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@ -475,9 +475,9 @@ static struct clk *late_main_clks[] = {
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enum { MSTP001,
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MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100,
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MSTP219, MSTP218,
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MSTP219, MSTP218, MSTP217,
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MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
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MSTP331, MSTP329, MSTP328, MSTP325, MSTP323,
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MSTP331, MSTP329, MSTP328, MSTP325, MSTP323, MSTP322,
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MSTP314, MSTP313, MSTP312, MSTP311,
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MSTP303, MSTP302, MSTP301, MSTP300,
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MSTP411, MSTP410, MSTP403,
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@ -498,6 +498,7 @@ static struct clk mstp_clks[MSTP_NR] = {
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[MSTP100] = MSTP(&div4_clks[DIV4_B], SMSTPCR1, 0, 0), /* LCDC0 */
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[MSTP219] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 19, 0), /* SCIFA7 */
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[MSTP218] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 18, 0), /* SY-DMAC */
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[MSTP217] = MSTP(&div4_clks[DIV4_HP], SMSTPCR2, 17, 0), /* MP-DMAC */
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[MSTP207] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 7, 0), /* SCIFA5 */
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[MSTP206] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 6, 0), /* SCIFB */
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[MSTP204] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 4, 0), /* SCIFA0 */
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@ -510,6 +511,7 @@ static struct clk mstp_clks[MSTP_NR] = {
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[MSTP328] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 28, 0), /*FSI*/
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[MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */
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[MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */
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[MSTP322] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 22, 0), /* USB */
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[MSTP314] = MSTP(&div6_clks[DIV6_SDHI0], SMSTPCR3, 14, 0), /* SDHI0 */
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[MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */
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[MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
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@ -554,6 +556,7 @@ static struct clk_lookup lookups[] = {
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CLKDEV_DEV_ID("sh_mobile_lcdc_fb.0", &mstp_clks[MSTP100]), /* LCDC0 */
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CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP219]), /* SCIFA7 */
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CLKDEV_DEV_ID("sh-dma-engine.0", &mstp_clks[MSTP218]), /* SY-DMAC */
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CLKDEV_DEV_ID("sh-dma-engine.1", &mstp_clks[MSTP217]), /* MP-DMAC */
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CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP207]), /* SCIFA5 */
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CLKDEV_DEV_ID("sh-sci.8", &mstp_clks[MSTP206]), /* SCIFB */
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CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]), /* SCIFA0 */
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@ -566,6 +569,7 @@ static struct clk_lookup lookups[] = {
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CLKDEV_DEV_ID("sh_fsi2", &mstp_clks[MSTP328]), /* FSI */
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CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */
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CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */
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CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP322]), /* USB */
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CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
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CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
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CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */
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@ -0,0 +1,84 @@
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/*
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* SH-ARM CPU-specific DMA definitions, used by both DMA drivers
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*
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* Copyright (C) 2012 Renesas Solutions Corp
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*
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* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* Based on arch/sh/include/cpu-sh4/cpu/dma-register.h
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* Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef DMA_REGISTER_H
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#define DMA_REGISTER_H
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/*
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* Direct Memory Access Controller
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*/
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/* Transmit sizes and respective CHCR register values */
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enum {
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XMIT_SZ_8BIT = 0,
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XMIT_SZ_16BIT = 1,
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XMIT_SZ_32BIT = 2,
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XMIT_SZ_64BIT = 7,
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XMIT_SZ_128BIT = 3,
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XMIT_SZ_256BIT = 4,
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XMIT_SZ_512BIT = 5,
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};
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/* log2(size / 8) - used to calculate number of transfers */
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static const unsigned int dma_ts_shift[] = {
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[XMIT_SZ_8BIT] = 0,
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[XMIT_SZ_16BIT] = 1,
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[XMIT_SZ_32BIT] = 2,
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[XMIT_SZ_64BIT] = 3,
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[XMIT_SZ_128BIT] = 4,
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[XMIT_SZ_256BIT] = 5,
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[XMIT_SZ_512BIT] = 6,
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};
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#define TS_LOW_BIT 0x3 /* --xx */
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#define TS_HI_BIT 0xc /* xx-- */
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#define TS_LOW_SHIFT (3)
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#define TS_HI_SHIFT (20 - 2) /* 2 bits for shifted low TS */
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#define TS_INDEX2VAL(i) \
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((((i) & TS_LOW_BIT) << TS_LOW_SHIFT) |\
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(((i) & TS_HI_BIT) << TS_HI_SHIFT))
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#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz)))
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#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz)))
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/*
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* USB High-Speed DMAC
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*/
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/* Transmit sizes and respective CHCR register values */
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enum {
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USBTS_XMIT_SZ_8BYTE = 0,
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USBTS_XMIT_SZ_16BYTE = 1,
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USBTS_XMIT_SZ_32BYTE = 2,
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};
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/* log2(size / 8) - used to calculate number of transfers */
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static const unsigned int dma_usbts_shift[] = {
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[USBTS_XMIT_SZ_8BYTE] = 3,
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[USBTS_XMIT_SZ_16BYTE] = 4,
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[USBTS_XMIT_SZ_32BYTE] = 5,
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};
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#define USBTS_LOW_BIT 0x3 /* --xx */
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#define USBTS_HI_BIT 0x0 /* ---- */
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#define USBTS_LOW_SHIFT 6
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#define USBTS_HI_SHIFT 0
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#define USBTS_INDEX2VAL(i) (((i) & 3) << 6)
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#endif /* DMA_REGISTER_H */
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@ -13,6 +13,7 @@
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/sh_pfc.h>
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#include <linux/io.h>
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#ifdef CONFIG_GPIOLIB
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@ -27,4 +28,35 @@ static inline int irq_to_gpio(unsigned int irq)
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#endif /* CONFIG_GPIOLIB */
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/*
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* FIXME !!
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*
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* current gpio frame work doesn't have
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* the method to control only pull up/down/free.
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* this function should be replaced by correct gpio function
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*/
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static inline void __init gpio_direction_none(u32 addr)
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{
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__raw_writeb(0x00, addr);
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}
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static inline void __init gpio_request_pullup(u32 addr)
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{
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u8 data = __raw_readb(addr);
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data &= 0x0F;
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data |= 0xC0;
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__raw_writeb(data, addr);
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}
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static inline void __init gpio_request_pulldown(u32 addr)
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{
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u8 data = __raw_readb(addr);
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data &= 0x0F;
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data |= 0xA0;
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__raw_writeb(data, addr);
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}
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#endif /* __ASM_ARCH_GPIO_H */
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@ -516,6 +516,13 @@ enum {
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SHDMA_SLAVE_SDHI2_RX,
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SHDMA_SLAVE_MMCIF_TX,
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SHDMA_SLAVE_MMCIF_RX,
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SHDMA_SLAVE_FSI2A_TX,
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SHDMA_SLAVE_FSI2A_RX,
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SHDMA_SLAVE_FSI2B_TX,
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SHDMA_SLAVE_FSI2B_RX,
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SHDMA_SLAVE_FSI2C_TX,
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SHDMA_SLAVE_FSI2C_RX,
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SHDMA_SLAVE_FSI2D_RX,
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};
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/*
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@ -30,6 +30,7 @@
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#include <linux/sh_dma.h>
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#include <linux/sh_intc.h>
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#include <linux/sh_timer.h>
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#include <mach/dma-register.h>
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#include <mach/hardware.h>
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#include <mach/irqs.h>
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#include <mach/sh73a0.h>
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@ -415,32 +416,6 @@ static struct platform_device i2c4_device = {
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.num_resources = ARRAY_SIZE(i2c4_resources),
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};
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/* Transmit sizes and respective CHCR register values */
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enum {
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XMIT_SZ_8BIT = 0,
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XMIT_SZ_16BIT = 1,
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XMIT_SZ_32BIT = 2,
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XMIT_SZ_64BIT = 7,
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XMIT_SZ_128BIT = 3,
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XMIT_SZ_256BIT = 4,
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XMIT_SZ_512BIT = 5,
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};
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/* log2(size / 8) - used to calculate number of transfers */
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#define TS_SHIFT { \
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[XMIT_SZ_8BIT] = 0, \
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[XMIT_SZ_16BIT] = 1, \
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[XMIT_SZ_32BIT] = 2, \
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[XMIT_SZ_64BIT] = 3, \
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[XMIT_SZ_128BIT] = 4, \
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[XMIT_SZ_256BIT] = 5, \
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[XMIT_SZ_512BIT] = 6, \
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}
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#define TS_INDEX2VAL(i) ((((i) & 3) << 3) | (((i) & 0xc) << (20 - 2)))
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#define CHCR_TX(xmit_sz) (DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL((xmit_sz)))
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#define CHCR_RX(xmit_sz) (DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL((xmit_sz)))
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static const struct sh_dmae_slave_config sh73a0_dmae_slaves[] = {
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{
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.slave_id = SHDMA_SLAVE_SCIF0_TX,
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@ -604,19 +579,17 @@ static const struct sh_dmae_channel sh73a0_dmae_channels[] = {
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DMAE_CHANNEL(0x8980),
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};
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static const unsigned int ts_shift[] = TS_SHIFT;
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static struct sh_dmae_pdata sh73a0_dmae_platform_data = {
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.slave = sh73a0_dmae_slaves,
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.slave_num = ARRAY_SIZE(sh73a0_dmae_slaves),
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.channel = sh73a0_dmae_channels,
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.channel_num = ARRAY_SIZE(sh73a0_dmae_channels),
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.ts_low_shift = 3,
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.ts_low_mask = 0x18,
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.ts_high_shift = (20 - 2), /* 2 bits for shifted low TS */
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.ts_high_mask = 0x00300000,
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.ts_shift = ts_shift,
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.ts_shift_num = ARRAY_SIZE(ts_shift),
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.ts_low_shift = TS_LOW_SHIFT,
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.ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT,
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.ts_high_shift = TS_HI_SHIFT,
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.ts_high_mask = TS_HI_BIT << TS_HI_SHIFT,
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.ts_shift = dma_ts_shift,
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.ts_shift_num = ARRAY_SIZE(dma_ts_shift),
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.dmaor_init = DMAOR_DME,
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};
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@ -651,6 +624,116 @@ static struct platform_device dma0_device = {
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},
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};
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/* MPDMAC */
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static const struct sh_dmae_slave_config sh73a0_mpdma_slaves[] = {
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{
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.slave_id = SHDMA_SLAVE_FSI2A_RX,
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.addr = 0xec230020,
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.chcr = CHCR_RX(XMIT_SZ_32BIT),
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.mid_rid = 0xd6, /* CHECK ME */
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}, {
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.slave_id = SHDMA_SLAVE_FSI2A_TX,
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.addr = 0xec230024,
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.chcr = CHCR_TX(XMIT_SZ_32BIT),
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.mid_rid = 0xd5, /* CHECK ME */
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}, {
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.slave_id = SHDMA_SLAVE_FSI2C_RX,
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.addr = 0xec230060,
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.chcr = CHCR_RX(XMIT_SZ_32BIT),
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.mid_rid = 0xda, /* CHECK ME */
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}, {
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.slave_id = SHDMA_SLAVE_FSI2C_TX,
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.addr = 0xec230064,
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.chcr = CHCR_TX(XMIT_SZ_32BIT),
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.mid_rid = 0xd9, /* CHECK ME */
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}, {
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.slave_id = SHDMA_SLAVE_FSI2B_RX,
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.addr = 0xec240020,
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.chcr = CHCR_RX(XMIT_SZ_32BIT),
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.mid_rid = 0x8e, /* CHECK ME */
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}, {
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.slave_id = SHDMA_SLAVE_FSI2B_TX,
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.addr = 0xec240024,
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.chcr = CHCR_RX(XMIT_SZ_32BIT),
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.mid_rid = 0x8d, /* CHECK ME */
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}, {
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.slave_id = SHDMA_SLAVE_FSI2D_RX,
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.addr = 0xec240060,
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.chcr = CHCR_RX(XMIT_SZ_32BIT),
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.mid_rid = 0x9a, /* CHECK ME */
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},
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};
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#define MPDMA_CHANNEL(a, b, c) \
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{ \
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.offset = a, \
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.dmars = b, \
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.dmars_bit = c, \
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.chclr_offset = (0x220 - 0x20) + a \
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}
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static const struct sh_dmae_channel sh73a0_mpdma_channels[] = {
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MPDMA_CHANNEL(0x00, 0, 0),
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MPDMA_CHANNEL(0x10, 0, 8),
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MPDMA_CHANNEL(0x20, 4, 0),
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MPDMA_CHANNEL(0x30, 4, 8),
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MPDMA_CHANNEL(0x50, 8, 0),
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MPDMA_CHANNEL(0x70, 8, 8),
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};
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static struct sh_dmae_pdata sh73a0_mpdma_platform_data = {
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.slave = sh73a0_mpdma_slaves,
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.slave_num = ARRAY_SIZE(sh73a0_mpdma_slaves),
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.channel = sh73a0_mpdma_channels,
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.channel_num = ARRAY_SIZE(sh73a0_mpdma_channels),
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.ts_low_shift = TS_LOW_SHIFT,
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.ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT,
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.ts_high_shift = TS_HI_SHIFT,
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.ts_high_mask = TS_HI_BIT << TS_HI_SHIFT,
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.ts_shift = dma_ts_shift,
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.ts_shift_num = ARRAY_SIZE(dma_ts_shift),
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.dmaor_init = DMAOR_DME,
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.chclr_present = 1,
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};
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/* Resource order important! */
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static struct resource sh73a0_mpdma_resources[] = {
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{
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/* Channel registers and DMAOR */
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.start = 0xec618020,
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.end = 0xec61828f,
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.flags = IORESOURCE_MEM,
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},
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{
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/* DMARSx */
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.start = 0xec619000,
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.end = 0xec61900b,
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.flags = IORESOURCE_MEM,
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},
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{
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.name = "error_irq",
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.start = gic_spi(181),
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.end = gic_spi(181),
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.flags = IORESOURCE_IRQ,
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},
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{
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/* IRQ for channels 0-5 */
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.start = gic_spi(175),
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.end = gic_spi(180),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device mpdma0_device = {
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.name = "sh-dma-engine",
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.id = 1,
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.resource = sh73a0_mpdma_resources,
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.num_resources = ARRAY_SIZE(sh73a0_mpdma_resources),
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.dev = {
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.platform_data = &sh73a0_mpdma_platform_data,
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},
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};
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static struct platform_device *sh73a0_early_devices[] __initdata = {
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&scif0_device,
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&scif1_device,
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@ -673,6 +756,7 @@ static struct platform_device *sh73a0_late_devices[] __initdata = {
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&i2c3_device,
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&i2c4_device,
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&dma0_device,
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&mpdma0_device,
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};
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#define SRCR2 0xe61580b0
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