diff options
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/boards/mach-migor/setup.c | 16 | ||||
| -rw-r--r-- | arch/sh/include/asm/dma-register.h | 51 | ||||
| -rw-r--r-- | arch/sh/include/asm/dma-sh.h | 88 | ||||
| -rw-r--r-- | arch/sh/include/asm/dmaengine.h | 93 | ||||
| -rw-r--r-- | arch/sh/include/asm/pgtable.h | 3 | ||||
| -rw-r--r-- | arch/sh/include/asm/siu.h | 26 | ||||
| -rw-r--r-- | arch/sh/include/cpu-sh3/cpu/dma-register.h | 41 | ||||
| -rw-r--r-- | arch/sh/include/cpu-sh3/cpu/dma.h | 27 | ||||
| -rw-r--r-- | arch/sh/include/cpu-sh4/cpu/dma-register.h | 112 | ||||
| -rw-r--r-- | arch/sh/include/cpu-sh4/cpu/dma-sh4a.h | 62 | ||||
| -rw-r--r-- | arch/sh/include/cpu-sh4/cpu/dma.h | 36 | ||||
| -rw-r--r-- | arch/sh/include/mach-migor/mach/migor.h | 1 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 190 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7724.c | 186 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7780.c | 134 | ||||
| -rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7785.c | 134 | ||||
| -rw-r--r-- | arch/sh/kernel/hw_breakpoint.c | 30 | ||||
| -rw-r--r-- | arch/sh/mm/fault_32.c | 2 |
18 files changed, 963 insertions, 269 deletions
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c index be300aa..dc2ddc2 100644 --- a/arch/sh/boards/mach-migor/setup.c +++ b/arch/sh/boards/mach-migor/setup.c @@ -419,6 +419,9 @@ static struct i2c_board_info migor_i2c_devices[] = { I2C_BOARD_INFO("migor_ts", 0x51), .irq = 38, /* IRQ6 */ }, + { + I2C_BOARD_INFO("wm8978", 0x1a), + }, }; static struct i2c_board_info migor_i2c_camera[] = { @@ -619,6 +622,19 @@ static int __init migor_devices_setup(void) platform_resource_setup_memory(&migor_ceu_device, "ceu", 4 << 20); + /* SIU: Port B */ + gpio_request(GPIO_FN_SIUBOLR, NULL); + gpio_request(GPIO_FN_SIUBOBT, NULL); + gpio_request(GPIO_FN_SIUBISLD, NULL); + gpio_request(GPIO_FN_SIUBOSLD, NULL); + gpio_request(GPIO_FN_SIUMCKB, NULL); + + /* + * The original driver sets SIUB OLR/OBT, ILR/IBT, and SIUA OLR/OBT to + * output. Need only SIUB, set to output for master mode (table 34.2) + */ + ctrl_outw(ctrl_inw(PORT_MSELCRA) | 1, PORT_MSELCRA); + i2c_register_board_info(0, migor_i2c_devices, ARRAY_SIZE(migor_i2c_devices)); diff --git a/arch/sh/include/asm/dma-register.h b/arch/sh/include/asm/dma-register.h new file mode 100644 index 0000000..51cd78f --- /dev/null +++ b/arch/sh/include/asm/dma-register.h @@ -0,0 +1,51 @@ +/* + * Common header for the legacy SH DMA driver and the new dmaengine driver + * + * extracted from arch/sh/include/asm/dma-sh.h: + * + * Copyright (C) 2000 Takashi YOSHII + * Copyright (C) 2003 Paul Mundt + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + */ +#ifndef DMA_REGISTER_H +#define DMA_REGISTER_H + +/* DMA register */ +#define SAR 0x00 +#define DAR 0x04 +#define TCR 0x08 +#define CHCR 0x0C +#define DMAOR 0x40 + +/* DMAOR definitions */ +#define DMAOR_AE 0x00000004 +#define DMAOR_NMIF 0x00000002 +#define DMAOR_DME 0x00000001 + +/* Definitions for the SuperH DMAC */ +#define REQ_L 0x00000000 +#define REQ_E 0x00080000 +#define RACK_H 0x00000000 +#define RACK_L 0x00040000 +#define ACK_R 0x00000000 +#define ACK_W 0x00020000 +#define ACK_H 0x00000000 +#define ACK_L 0x00010000 +#define DM_INC 0x00004000 +#define DM_DEC 0x00008000 +#define DM_FIX 0x0000c000 +#define SM_INC 0x00001000 +#define SM_DEC 0x00002000 +#define SM_FIX 0x00003000 +#define RS_IN 0x00000200 +#define RS_OUT 0x00000300 +#define TS_BLK 0x00000040 +#define TM_BUR 0x00000020 +#define CHCR_DE 0x00000001 +#define CHCR_TE 0x00000002 +#define CHCR_IE 0x00000004 + +#endif diff --git a/arch/sh/include/asm/dma-sh.h b/arch/sh/include/asm/dma-sh.h index e934a2e..f3acb8e 100644 --- a/arch/sh/include/asm/dma-sh.h +++ b/arch/sh/include/asm/dma-sh.h @@ -11,7 +11,8 @@ #ifndef __DMA_SH_H #define __DMA_SH_H -#include <asm/dma.h> +#include <asm/dma-register.h> +#include <cpu/dma-register.h> #include <cpu/dma.h> /* DMAOR contorl: The DMAOR access size is different by CPU.*/ @@ -53,34 +54,6 @@ static int dmte_irq_map[] __maybe_unused = { #endif }; -/* Definitions for the SuperH DMAC */ -#define REQ_L 0x00000000 -#define REQ_E 0x00080000 -#define RACK_H 0x00000000 -#define RACK_L 0x00040000 -#define ACK_R 0x00000000 -#define ACK_W 0x00020000 -#define ACK_H 0x00000000 -#define ACK_L 0x00010000 -#define DM_INC 0x00004000 -#define DM_DEC 0x00008000 -#define DM_FIX 0x0000c000 -#define SM_INC 0x00001000 -#define SM_DEC 0x00002000 -#define SM_FIX 0x00003000 -#define RS_IN 0x00000200 -#define RS_OUT 0x00000300 -#define TS_BLK 0x00000040 -#define TM_BUR 0x00000020 -#define CHCR_DE 0x00000001 -#define CHCR_TE 0x00000002 -#define CHCR_IE 0x00000004 - -/* DMAOR definitions */ -#define DMAOR_AE 0x00000004 -#define DMAOR_NMIF 0x00000002 -#define DMAOR_DME 0x00000001 - /* * Define the default configuration for dual address memory-memory transfer. * The 0x400 value represents auto-request, external->external. @@ -111,61 +84,4 @@ static u32 dma_base_addr[] __maybe_unused = { #endif }; -/* DMA register */ -#define SAR 0x00 -#define DAR 0x04 -#define TCR 0x08 -#define CHCR 0x0C -#define DMAOR 0x40 - -/* - * for dma engine - * - * SuperH DMA mode - */ -#define SHDMA_MIX_IRQ (1 << 1) -#define SHDMA_DMAOR1 (1 << 2) -#define SHDMA_DMAE1 (1 << 3) - -enum sh_dmae_slave_chan_id { - SHDMA_SLAVE_SCIF0_TX, - SHDMA_SLAVE_SCIF0_RX, - SHDMA_SLAVE_SCIF1_TX, - SHDMA_SLAVE_SCIF1_RX, - SHDMA_SLAVE_SCIF2_TX, - SHDMA_SLAVE_SCIF2_RX, - SHDMA_SLAVE_SCIF3_TX, - SHDMA_SLAVE_SCIF3_RX, - SHDMA_SLAVE_SCIF4_TX, - SHDMA_SLAVE_SCIF4_RX, - SHDMA_SLAVE_SCIF5_TX, - SHDMA_SLAVE_SCIF5_RX, - SHDMA_SLAVE_SIUA_TX, - SHDMA_SLAVE_SIUA_RX, - SHDMA_SLAVE_SIUB_TX, - SHDMA_SLAVE_SIUB_RX, - SHDMA_SLAVE_NUMBER, /* Must stay last */ -}; - -struct sh_dmae_slave_config { - enum sh_dmae_slave_chan_id slave_id; - dma_addr_t addr; - u32 chcr; - char mid_rid; -}; - -struct sh_dmae_pdata { - unsigned int mode; - struct sh_dmae_slave_config *config; - int config_num; -}; - -struct device; - -struct sh_dmae_slave { - enum sh_dmae_slave_chan_id slave_id; /* Set by the platform */ - struct device *dma_dev; /* Set by the platform */ - struct sh_dmae_slave_config *config; /* Set by the driver */ -}; - #endif /* __DMA_SH_H */ diff --git a/arch/sh/include/asm/dmaengine.h b/arch/sh/include/asm/dmaengine.h new file mode 100644 index 0000000..bf2f30cf --- /dev/null +++ b/arch/sh/include/asm/dmaengine.h @@ -0,0 +1,93 @@ +/* + * Header for the new SH dmaengine driver + * + * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * 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_DMAENGINE_H +#define ASM_DMAENGINE_H + +#include <linux/dmaengine.h> +#include <linux/list.h> + +#include <asm/dma-register.h> + +#define SH_DMAC_MAX_CHANNELS 6 + +enum sh_dmae_slave_chan_id { + SHDMA_SLAVE_SCIF0_TX, + SHDMA_SLAVE_SCIF0_RX, + SHDMA_SLAVE_SCIF1_TX, + SHDMA_SLAVE_SCIF1_RX, + SHDMA_SLAVE_SCIF2_TX, + SHDMA_SLAVE_SCIF2_RX, + SHDMA_SLAVE_SCIF3_TX, + SHDMA_SLAVE_SCIF3_RX, + SHDMA_SLAVE_SCIF4_TX, + SHDMA_SLAVE_SCIF4_RX, + SHDMA_SLAVE_SCIF5_TX, + SHDMA_SLAVE_SCIF5_RX, + SHDMA_SLAVE_SIUA_TX, + SHDMA_SLAVE_SIUA_RX, + SHDMA_SLAVE_SIUB_TX, + SHDMA_SLAVE_SIUB_RX, + SHDMA_SLAVE_NUMBER, /* Must stay last */ +}; + +struct sh_dmae_slave_config { + enum sh_dmae_slave_chan_id slave_id; + dma_addr_t addr; + u32 chcr; + char mid_rid; +}; + +struct sh_dmae_channel { + unsigned int offset; + unsigned int dmars; + unsigned int dmars_bit; +}; + +struct sh_dmae_pdata { + struct sh_dmae_slave_config *slave; + int slave_num; + struct sh_dmae_channel *channel; + int channel_num; + unsigned int ts_low_shift; + unsigned int ts_low_mask; + unsigned int ts_high_shift; + unsigned int ts_high_mask; + unsigned int *ts_shift; + int ts_shift_num; + u16 dmaor_init; +}; + +struct device; + +/* Used by slave DMA clients to request DMA to/from a specific peripheral */ +struct sh_dmae_slave { + enum sh_dmae_slave_chan_id slave_id; /* Set by the platform */ + struct device *dma_dev; /* Set by the platform */ + struct sh_dmae_slave_config *config; /* Set by the driver */ +}; + +struct sh_dmae_regs { + u32 sar; /* SAR / source address */ + u32 dar; /* DAR / destination address */ + u32 tcr; /* TCR / transfer count */ +}; + +struct sh_desc { + struct sh_dmae_regs hw; + struct list_head node; + struct dma_async_tx_descriptor async_tx; + enum dma_data_direction direction; + dma_cookie_t cookie; + size_t partial; + int chunks; + int mark; +}; + +#endif diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h index aab7652..02f7745 100644 --- a/arch/sh/include/asm/pgtable.h +++ b/arch/sh/include/asm/pgtable.h @@ -153,8 +153,9 @@ extern void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte); static inline void -update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { + pte_t pte = *ptep; __update_cache(vma, address, pte); __update_tlb(vma, address, pte); } diff --git a/arch/sh/include/asm/siu.h b/arch/sh/include/asm/siu.h new file mode 100644 index 0000000..f1b1e69 --- /dev/null +++ b/arch/sh/include/asm/siu.h @@ -0,0 +1,26 @@ +/* + * platform header for the SIU ASoC driver + * + * Copyright (C) 2009-2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * 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_SIU_H +#define ASM_SIU_H + +#include <asm/dmaengine.h> + +struct device; + +struct siu_platform { + struct device *dma_dev; + enum sh_dmae_slave_chan_id dma_slave_tx_a; + enum sh_dmae_slave_chan_id dma_slave_rx_a; + enum sh_dmae_slave_chan_id dma_slave_tx_b; + enum sh_dmae_slave_chan_id dma_slave_rx_b; +}; + +#endif /* ASM_SIU_H */ diff --git a/arch/sh/include/cpu-sh3/cpu/dma-register.h b/arch/sh/include/cpu-sh3/cpu/dma-register.h new file mode 100644 index 0000000..2349e48 --- /dev/null +++ b/arch/sh/include/cpu-sh3/cpu/dma-register.h @@ -0,0 +1,41 @@ +/* + * SH3 CPU-specific DMA definitions, used by both DMA drivers + * + * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * 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 CPU_DMA_REGISTER_H +#define CPU_DMA_REGISTER_H + +#define CHCR_TS_LOW_MASK 0x18 +#define CHCR_TS_LOW_SHIFT 3 +#define CHCR_TS_HIGH_MASK 0 +#define CHCR_TS_HIGH_SHIFT 0 + +#define DMAOR_INIT DMAOR_DME + +/* + * The SuperH DMAC supports a number of transmit sizes, we list them here, + * with their respective values as they appear in the CHCR registers. + */ +enum { + XMIT_SZ_8BIT, + XMIT_SZ_16BIT, + XMIT_SZ_32BIT, + XMIT_SZ_128BIT, +}; + +/* log2(size / 8) - used to calculate number of transfers */ +#define TS_SHIFT { \ + [XMIT_SZ_8BIT] = 0, \ + [XMIT_SZ_16BIT] = 1, \ + [XMIT_SZ_32BIT] = 2, \ + [XMIT_SZ_128BIT] = 4, \ +} + +#define TS_INDEX2VAL(i) (((i) & 3) << CHCR_TS_LOW_SHIFT) + +#endif diff --git a/arch/sh/include/cpu-sh3/cpu/dma.h b/arch/sh/include/cpu-sh3/cpu/dma.h index 207811a..24e28b9 100644 --- a/arch/sh/include/cpu-sh3/cpu/dma.h +++ b/arch/sh/include/cpu-sh3/cpu/dma.h @@ -20,31 +20,4 @@ #define TS_32 0x00000010 #define TS_128 0x00000018 -#define CHCR_TS_LOW_MASK 0x18 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 - -#define DMAOR_INIT DMAOR_DME - -/* - * The SuperH DMAC supports a number of transmit sizes, we list them here, - * with their respective values as they appear in the CHCR registers. - */ -enum { - XMIT_SZ_8BIT, - XMIT_SZ_16BIT, - XMIT_SZ_32BIT, - XMIT_SZ_128BIT, -}; - -#define TS_SHIFT { \ - [XMIT_SZ_8BIT] = 0, \ - [XMIT_SZ_16BIT] = 1, \ - [XMIT_SZ_32BIT] = 2, \ - [XMIT_SZ_128BIT] = 4, \ -} - -#define TS_INDEX2VAL(i) (((i) & 3) << CHCR_TS_LOW_SHIFT) - #endif /* __ASM_CPU_SH3_DMA_H */ diff --git a/arch/sh/include/cpu-sh4/cpu/dma-register.h b/arch/sh/include/cpu-sh4/cpu/dma-register.h new file mode 100644 index 0000000..55f9fec --- /dev/null +++ b/arch/sh/include/cpu-sh4/cpu/dma-register.h @@ -0,0 +1,112 @@ +/* + * SH4 CPU-specific DMA definitions, used by both DMA drivers + * + * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * 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 CPU_DMA_REGISTER_H +#define CPU_DMA_REGISTER_H + +/* SH7751/7760/7780 DMA IRQ sources */ + +#ifdef CONFIG_CPU_SH4A + +#define DMAOR_INIT DMAOR_DME + +#if defined(CONFIG_CPU_SUBTYPE_SH7343) || \ + defined(CONFIG_CPU_SUBTYPE_SH7730) +#define CHCR_TS_LOW_MASK 0x00000018 +#define CHCR_TS_LOW_SHIFT 3 +#define CHCR_TS_HIGH_MASK 0 +#define CHCR_TS_HIGH_SHIFT 0 +#elif defined(CONFIG_CPU_SUBTYPE_SH7722) || \ + defined(CONFIG_CPU_SUBTYPE_SH7724) +#define CHCR_TS_LOW_MASK 0x00000018 +#define CHCR_TS_LOW_SHIFT 3 +#define CHCR_TS_HIGH_MASK 0x00300000 +#define CHCR_TS_HIGH_SHIFT (20 - 2) /* 2 bits for shifted low TS */ +#elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \ + defined(CONFIG_CPU_SUBTYPE_SH7764) +#define CHCR_TS_LOW_MASK 0x00000018 +#define CHCR_TS_LOW_SHIFT 3 +#define CHCR_TS_HIGH_MASK 0 +#define CHCR_TS_HIGH_SHIFT 0 +#elif defined(CONFIG_CPU_SUBTYPE_SH7723) +#define CHCR_TS_LOW_MASK 0x00000018 +#define CHCR_TS_LOW_SHIFT 3 +#define CHCR_TS_HIGH_MASK 0 +#define CHCR_TS_HIGH_SHIFT 0 +#elif defined(CONFIG_CPU_SUBTYPE_SH7780) +#define CHCR_TS_LOW_MASK 0x00000018 +#define CHCR_TS_LOW_SHIFT 3 +#define CHCR_TS_HIGH_MASK 0 +#define CHCR_TS_HIGH_SHIFT 0 +#else /* SH7785 */ +#define CHCR_TS_LOW_MASK 0x00000018 +#define CHCR_TS_LOW_SHIFT 3 +#define CHCR_TS_HIGH_MASK 0 +#define CHCR_TS_HIGH_SHIFT 0 +#endif + +/* Transmit sizes and respective CHCR register values */ +enum { + XMIT_SZ_8BIT = 0, + XMIT_SZ_16BIT = 1, + XMIT_SZ_32BIT = 2, + XMIT_SZ_64BIT = 7, + XMIT_SZ_128BIT = 3, + XMIT_SZ_256BIT = 4, + XMIT_SZ_128BIT_BLK = 0xb, + XMIT_SZ_256BIT_BLK = 0xc, +}; + +/* log2(size / 8) - used to calculate number of transfers */ +#define TS_SHIFT { \ + [XMIT_SZ_8BIT] = 0, \ + [XMIT_SZ_16BIT] = 1, \ + [XMIT_SZ_32BIT] = 2, \ + [XMIT_SZ_64BIT] = 3, \ + [XMIT_SZ_128BIT] = 4, \ + [XMIT_SZ_256BIT] = 5, \ + [XMIT_SZ_128BIT_BLK] = 4, \ + [XMIT_SZ_256BIT_BLK] = 5, \ +} + +#define TS_INDEX2VAL(i) ((((i) & 3) << CHCR_TS_LOW_SHIFT) | \ + ((((i) >> 2) & 3) << CHCR_TS_HIGH_SHIFT)) + +#else /* CONFIG_CPU_SH4A */ + +#define DMAOR_INIT (0x8000 | DMAOR_DME) + +#define CHCR_TS_LOW_MASK 0x70 +#define CHCR_TS_LOW_SHIFT 4 +#define CHCR_TS_HIGH_MASK 0 +#define CHCR_TS_HIGH_SHIFT 0 + +/* Transmit sizes and respective CHCR register values */ +enum { + XMIT_SZ_8BIT = 1, + XMIT_SZ_16BIT = 2, + XMIT_SZ_32BIT = 3, + XMIT_SZ_64BIT = 0, + XMIT_SZ_256BIT = 4, +}; + +/* log2(size / 8) - used to calculate number of transfers */ +#define TS_SHIFT { \ + [XMIT_SZ_8BIT] = 0, \ + [XMIT_SZ_16BIT] = 1, \ + [XMIT_SZ_32BIT] = 2, \ + [XMIT_SZ_64BIT] = 3, \ + [XMIT_SZ_256BIT] = 5, \ +} + +#define TS_INDEX2VAL(i) (((i) & 7) << CHCR_TS_LOW_SHIFT) + +#endif /* CONFIG_CPU_SH4A */ + +#endif diff --git a/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h b/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h index e734ea4..9647e68 100644 --- a/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h +++ b/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h @@ -8,20 +8,12 @@ #define DMAE0_IRQ 78 /* DMA Error IRQ*/ #define SH_DMAC_BASE0 0xFE008020 #define SH_DMARS_BASE0 0xFE009000 -#define CHCR_TS_LOW_MASK 0x00000018 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 #elif defined(CONFIG_CPU_SUBTYPE_SH7722) #define DMTE0_IRQ 48 #define DMTE4_IRQ 76 #define DMAE0_IRQ 78 /* DMA Error IRQ*/ #define SH_DMAC_BASE0 0xFE008020 #define SH_DMARS_BASE0 0xFE009000 -#define CHCR_TS_LOW_MASK 0x00000018 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0x00300000 -#define CHCR_TS_HIGH_SHIFT 20 #elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \ defined(CONFIG_CPU_SUBTYPE_SH7764) #define DMTE0_IRQ 34 @@ -29,10 +21,6 @@ #define DMAE0_IRQ 38 #define SH_DMAC_BASE0 0xFF608020 #define SH_DMARS_BASE0 0xFF609000 -#define CHCR_TS_LOW_MASK 0x00000018 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 #elif defined(CONFIG_CPU_SUBTYPE_SH7723) #define DMTE0_IRQ 48 /* DMAC0A*/ #define DMTE4_IRQ 76 /* DMAC0B */ @@ -46,10 +34,6 @@ #define SH_DMAC_BASE0 0xFE008020 #define SH_DMAC_BASE1 0xFDC08020 #define SH_DMARS_BASE0 0xFDC09000 -#define CHCR_TS_LOW_MASK 0x00000018 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 #elif defined(CONFIG_CPU_SUBTYPE_SH7724) #define DMTE0_IRQ 48 /* DMAC0A*/ #define DMTE4_IRQ 76 /* DMAC0B */ @@ -64,10 +48,6 @@ #define SH_DMAC_BASE1 0xFDC08020 #define SH_DMARS_BASE0 0xFE009000 #define SH_DMARS_BASE1 0xFDC09000 -#define CHCR_TS_LOW_MASK 0x00000018 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0x00600000 -#define CHCR_TS_HIGH_SHIFT 21 #elif defined(CONFIG_CPU_SUBTYPE_SH7780) #define DMTE0_IRQ 34 #define DMTE4_IRQ 44 @@ -80,10 +60,6 @@ #define SH_DMAC_BASE0 0xFC808020 #define SH_DMAC_BASE1 0xFC818020 #define SH_DMARS_BASE0 0xFC809000 -#define CHCR_TS_LOW_MASK 0x00000018 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 #else /* SH7785 */ #define DMTE0_IRQ 33 #define DMTE4_IRQ 37 @@ -97,10 +73,6 @@ #define SH_DMAC_BASE0 0xFC808020 #define SH_DMAC_BASE1 0xFCC08020 #define SH_DMARS_BASE0 0xFC809000 -#define CHCR_TS_LOW_MASK 0x00000018 -#define CHCR_TS_LOW_SHIFT 3 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 #endif #define REQ_HE 0x000000C0 @@ -108,38 +80,4 @@ #define REQ_LE 0x00000040 #define TM_BURST 0x00000020 -/* - * The SuperH DMAC supports a number of transmit sizes, we list them here, - * with their respective values as they appear in the CHCR registers. - * - * Defaults to a 64-bit transfer size. - */ -enum { - XMIT_SZ_8BIT = 0, - XMIT_SZ_16BIT = 1, - XMIT_SZ_32BIT = 2, - XMIT_SZ_64BIT = 7, - XMIT_SZ_128BIT = 3, - XMIT_SZ_256BIT = 4, - XMIT_SZ_128BIT_BLK = 0xb, - XMIT_SZ_256BIT_BLK = 0xc, -}; - -/* - * The DMA count is defined as the number of bytes to transfer. - */ -#define TS_SHIFT { \ - [XMIT_SZ_8BIT] = 0, \ - [XMIT_SZ_16BIT] = 1, \ - [XMIT_SZ_32BIT] = 2, \ - [XMIT_SZ_64BIT] = 3, \ - [XMIT_SZ_128BIT] = 4, \ - [XMIT_SZ_256BIT] = 5, \ - [XMIT_SZ_128BIT_BLK] = 4, \ - [XMIT_SZ_256BIT_BLK] = 5, \ -} - -#define TS_INDEX2VAL(i) ((((i) & 3) << CHCR_TS_LOW_SHIFT) | \ - ((((i) >> 2) & 3) << CHCR_TS_HIGH_SHIFT)) - #endif /* __ASM_SH_CPU_SH4_DMA_SH7780_H */ diff --git a/arch/sh/include/cpu-sh4/cpu/dma.h b/arch/sh/include/cpu-sh4/cpu/dma.h index 114a369..ca747e9 100644 --- a/arch/sh/include/cpu-sh4/cpu/dma.h +++ b/arch/sh/include/cpu-sh4/cpu/dma.h @@ -5,9 +5,8 @@ #ifdef CONFIG_CPU_SH4A -#define DMAOR_INIT (DMAOR_DME) - #include <cpu/dma-sh4a.h> + #else /* CONFIG_CPU_SH4A */ /* * SH7750/SH7751/SH7760 @@ -17,7 +16,6 @@ #define DMTE6_IRQ 46 #define DMAE0_IRQ 38 -#define DMAOR_INIT (0x8000|DMAOR_DME) #define SH_DMAC_BASE0 0xffa00000 #define SH_DMAC_BASE1 0xffa00070 /* Definitions for the SuperH DMAC */ @@ -27,40 +25,8 @@ #define TS_32 0x00000030 #define TS_64 0x00000000 -#define CHCR_TS_LOW_MASK 0x70 -#define CHCR_TS_LOW_SHIFT 4 -#define CHCR_TS_HIGH_MASK 0 -#define CHCR_TS_HIGH_SHIFT 0 - #define DMAOR_COD 0x00000008 -/* - * The SuperH DMAC supports a number of transmit sizes, we list them here, - * with their respective values as they appear in the CHCR registers. - * - * Defaults to a 64-bit transfer size. - */ -enum { - XMIT_SZ_8BIT = 1, - XMIT_SZ_16BIT = 2, - XMIT_SZ_32BIT = 3, - XMIT_SZ_64BIT = 0, - XMIT_SZ_256BIT = 4, -}; - -/* - * The DMA count is defined as the number of bytes to transfer. - */ -#define TS_SHIFT { \ - [XMIT_SZ_8BIT] = 0, \ - [XMIT_SZ_16BIT] = 1, \ - [XMIT_SZ_32BIT] = 2, \ - [XMIT_SZ_64BIT] = 3, \ - [XMIT_SZ_256BIT] = 5, \ -} - -#define TS_INDEX2VAL(i) (((i) & 7) << CHCR_TS_LOW_SHIFT) - #endif #endif /* __ASM_CPU_SH4_DMA_H */ diff --git a/arch/sh/include/mach-migor/mach/migor.h b/arch/sh/include/mach-migor/mach/migor.h index cee6cb8..42fccf9 100644 --- a/arch/sh/include/mach-migor/mach/migor.h +++ b/arch/sh/include/mach-migor/mach/migor.h @@ -1,6 +1,7 @@ #ifndef __ASM_SH_MIGOR_H #define __ASM_SH_MIGOR_H +#define PORT_MSELCRA 0xa4050180 #define PORT_MSELCRB 0xa4050182 #define BSC_CS4BCR 0xfec10010 #define BSC_CS6ABCR 0xfec1001c diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index ef3f978..fd7e363 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -7,19 +7,167 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. */ -#include <linux/platform_device.h> #include <linux/init.h> +#include <linux/mm.h> +#include <linux/platform_device.h> #include <linux/serial.h> #include <linux/serial_sci.h> -#include <linux/mm.h> +#include <linux/sh_timer.h> #include <linux/uio_driver.h> #include <linux/usb/m66592.h> -#include <linux/sh_timer.h> + #include <asm/clock.h> +#include <asm/dmaengine.h> #include <asm/mmzone.h> -#include <asm/dma-sh.h> +#include <asm/siu.h> + +#include <cpu/dma-register.h> #include <cpu/sh7722.h> +static struct sh_dmae_slave_config sh7722_dmae_slaves[] = { + { + .slave_id = SHDMA_SLAVE_SCIF0_TX, + .addr = 0xffe0000c, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x21, + }, { + .slave_id = SHDMA_SLAVE_SCIF0_RX, + .addr = 0xffe00014, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x22, + }, { + .slave_id = SHDMA_SLAVE_SCIF1_TX, + .addr = 0xffe1000c, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x25, + }, { + .slave_id = SHDMA_SLAVE_SCIF1_RX, + .addr = 0xffe10014, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x26, + }, { + .slave_id = SHDMA_SLAVE_SCIF2_TX, + .addr = 0xffe2000c, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x29, + }, { + .slave_id = SHDMA_SLAVE_SCIF2_RX, + .addr = 0xffe20014, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x2a, + }, { + .slave_id = SHDMA_SLAVE_SIUA_TX, + .addr = 0xa454c098, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .mid_rid = 0xb1, + }, { + .slave_id = SHDMA_SLAVE_SIUA_RX, + .addr = 0xa454c090, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .mid_rid = 0xb2, + }, { + .slave_id = SHDMA_SLAVE_SIUB_TX, + .addr = 0xa454c09c, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .mid_rid = 0xb5, + }, { + .slave_id = SHDMA_SLAVE_SIUB_RX, + .addr = 0xa454c094, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), + .mid_rid = 0xb6, + }, +}; + +static struct sh_dmae_channel sh7722_dmae_channels[] = { + { + .offset = 0, + .dmars = 0, + .dmars_bit = 0, + }, { + .offset = 0x10, + .dmars = 0, + .dmars_bit = 8, + }, { + .offset = 0x20, + .dmars = 4, + .dmars_bit = 0, + }, { + .offset = 0x30, + .dmars = 4, + .dmars_bit = 8, + }, { + .offset = 0x50, + .dmars = 8, + .dmars_bit = 0, + }, { + .offset = 0x60, + .dmars = 8, + .dmars_bit = 8, + } +}; + +static unsigned int ts_shift[] = TS_SHIFT; + +static struct sh_dmae_pdata dma_platform_data = { + .slave = sh7722_dmae_slaves, + .slave_num = ARRAY_SIZE(sh7722_dmae_slaves), + .channel = sh7722_dmae_channels, + .channel_num = ARRAY_SIZE(sh7722_dmae_channels), + .ts_low_shift = CHCR_TS_LOW_SHIFT, + .ts_low_mask = CHCR_TS_LOW_MASK, + .ts_high_shift = CHCR_TS_HIGH_SHIFT, + .ts_high_mask = CHCR_TS_HIGH_MASK, + .ts_shift = ts_shift, + .ts_shift_num = ARRAY_SIZE(ts_shift), + .dmaor_init = DMAOR_INIT, +}; + +static struct resource sh7722_dmae_resources[] = { + [0] = { + /* Channel registers and DMAOR */ + .start = 0xfe008020, + .end = 0xfe00808f, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* DMARSx */ + .start = 0xfe009000, + .end = 0xfe00900b, + .flags = IORESOURCE_MEM, + }, + { + /* DMA error IRQ */ + .start = 78, + .end = 78, + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 0-3 */ + .start = 48, + .end = 51, + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 4-5 */ + .start = 76, + .end = 77, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device dma_device = { + .name = "sh-dma-engine", + .id = -1, + .resource = sh7722_dmae_resources, + .num_resources = ARRAY_SIZE(sh7722_dmae_resources), + .dev = { + .platform_data = &dma_platform_data, + }, + .archdata = { + .hwblk_id = HWBLK_DMAC, + }, +}; + /* Serial */ static struct plat_sci_port scif0_platform_data = { .mapbase = 0xffe00000, @@ -388,15 +536,36 @@ static struct platform_device tmu2_device = { }, }; -static struct sh_dmae_pdata dma_platform_data = { - .mode = 0, +static struct siu_platform siu_platform_data = { + .dma_dev = &dma_device.dev, + .dma_slave_tx_a = SHDMA_SLAVE_SIUA_TX, + .dma_slave_rx_a = SHDMA_SLAVE_SIUA_RX, + .dma_slave_tx_b = SHDMA_SLAVE_SIUB_TX, + .dma_slave_rx_b = SHDMA_SLAVE_SIUB_RX, }; -static struct platform_device dma_device = { - .name = "sh-dma-engine", +static struct resource siu_resources[] = { + [0] = { + .start = 0xa4540000, + .end = 0xa454c10f, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = 108, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device siu_device = { + .name = "sh_siu", .id = -1, - .dev = { - .platform_data = &dma_platform_data, + .dev = { + .platform_data = &siu_platform_data, + }, + .resource = siu_resources, + .num_resources = ARRAY_SIZE(siu_resources), + .archdata = { + .hwblk_id = HWBLK_SIU, }, }; @@ -414,6 +583,7 @@ static struct platform_device *sh7722_devices[] __initdata = { &vpu_device, &veu_device, &jpu_device, + &siu_device, &dma_device, }; diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c index 31e3451..e7fa2a9 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c @@ -21,22 +21,189 @@ #include <linux/sh_timer.h> #include <linux/io.h> #include <linux/notifier.h> + #include <asm/suspend.h> #include <asm/clock.h> -#include <asm/dma-sh.h> +#include <asm/dmaengine.h> #include <asm/mmzone.h> + +#include <cpu/dma-register.h> #include <cpu/sh7724.h> /* DMA */ -static struct sh_dmae_pdata dma_platform_data = { - .mode = SHDMA_DMAOR1, +static struct sh_dmae_channel sh7724_dmae0_channels[] = { + { + .offset = 0, + .dmars = 0, + .dmars_bit = 0, + }, { + .offset = 0x10, + .dmars = 0, + .dmars_bit = 8, + }, { + .offset = 0x20, + .dmars = 4, + .dmars_bit = 0, + }, { + .offset = 0x30, + .dmars = 4, + .dmars_bit = 8, + }, { + .offset = 0x50, + .dmars = 8, + .dmars_bit = 0, + }, { + .offset = 0x60, + .dmars = 8, + .dmars_bit = 8, + } +}; + +static struct sh_dmae_channel sh7724_dmae1_channels[] = { + { + .offset = 0, + .dmars = 0, + .dmars_bit = 0, + }, { + .offset = 0x10, + .dmars = 0, + .dmars_bit = 8, + }, { + .offset = 0x20, + .dmars = 4, + .dmars_bit = 0, + }, { + .offset = 0x30, + .dmars = 4, + .dmars_bit = 8, + }, { + .offset = 0x50, + .dmars = 8, + .dmars_bit = 0, + }, { + .offset = 0x60, + .dmars = 8, + .dmars_bit = 8, + } +}; + +static unsigned int ts_shift[] = TS_SHIFT; + +static struct sh_dmae_pdata dma0_platform_data = { + .channel = sh7724_dmae0_channels, + .channel_num = ARRAY_SIZE(sh7724_dmae0_channels), + .ts_low_shift = CHCR_TS_LOW_SHIFT, + .ts_low_mask = CHCR_TS_LOW_MASK, + .ts_high_shift = CHCR_TS_HIGH_SHIFT, + .ts_high_mask = CHCR_TS_HIGH_MASK, + .ts_shift = ts_shift, + .ts_shift_num = ARRAY_SIZE(ts_shift), + .dmaor_init = DMAOR_INIT, +}; + +static struct sh_dmae_pdata dma1_platform_data = { + .channel = sh7724_dmae1_channels, + .channel_num = ARRAY_SIZE(sh7724_dmae1_channels), + .ts_low_shift = CHCR_TS_LOW_SHIFT, + .ts_low_mask = CHCR_TS_LOW_MASK, + .ts_high_shift = CHCR_TS_HIGH_SHIFT, + .ts_high_mask = CHCR_TS_HIGH_MASK, + .ts_shift = ts_shift, + .ts_shift_num = ARRAY_SIZE(ts_shift), + .dmaor_init = DMAOR_INIT, +}; + +/* Resource order important! */ +static struct resource sh7724_dmae0_resources[] = { + { + /* Channel registers and DMAOR */ + .start = 0xfe008020, + .end = 0xfe00808f, + .flags = IORESOURCE_MEM, + }, + { + /* DMARSx */ + .start = 0xfe009000, + .end = 0xfe00900b, + .flags = IORESOURCE_MEM, + }, + { + /* DMA error IRQ */ + .start = 78, + .end = 78, + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 0-3 */ + .start = 48, + .end = 51, + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 4-5 */ + .start = 76, + .end = 77, + .flags = IORESOURCE_IRQ, + }, }; -static struct platform_device dma_device = { - .name = "sh-dma-engine", - .id = -1, - .dev = { - .platform_data = &dma_platform_data, +/* Resource order important! */ +static struct resource sh7724_dmae1_resources[] = { + { + /* Channel registers and DMAOR */ + .start = 0xfdc08020, + .end = 0xfdc0808f, + .flags = IORESOURCE_MEM, + }, + { + /* DMARSx */ + .start = 0xfdc09000, + .end = 0xfdc0900b, + .flags = IORESOURCE_MEM, + }, + { + /* DMA error IRQ */ + .start = 74, + .end = 74, + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 0-3 */ + .start = 40, + .end = 43, + .flags = IORESOURCE_IRQ, + }, + { + /* IRQ for channels 4-5 */ + .start = 72, + .end = 73, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dma0_device = { + .name = "sh-dma-engine", + .id = 0, + .resource = sh7724_dmae0_resources, + .num_resources = ARRAY_SIZE(sh7724_dmae0_resources), + .dev = { + .platform_data = &dma0_platform_data, + }, + .archdata = { + .hwblk_id = HWBLK_DMAC0, + }, +}; + +static struct platform_device dma1_device = { + .name = "sh-dma-engine", + .id = 1, + .resource = sh7724_dmae1_resources, + .num_resources = ARRAY_SIZE(sh7724_dmae1_resources), + .dev = { + .platform_data = &dma1_platform_data, + }, + .archdata = { + .hwblk_id = HWBLK_DMAC1, }, }; @@ -663,7 +830,8 @@ static struct platform_device *sh7724_devices[] __initdata = { &tmu3_device, &tmu4_device, &tmu5_device, - &dma_device, + &dma0_device, + &dma1_device, &rtc_device, &iic0_device, &iic1_device, diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c index f8f2161..02e792c 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c @@ -13,7 +13,10 @@ #include <linux/io.h> #include <linux/serial_sci.h> #include <linux/sh_timer.h> -#include <asm/dma-sh.h> + +#include <asm/dmaengine.h> + +#include <cpu/dma-register.h> static struct plat_sci_port scif0_platform_data = { .mapbase = 0xffe00000, @@ -247,15 +250,131 @@ static struct platform_device rtc_device = { .resource = rtc_resources, }; -static struct sh_dmae_pdata dma_platform_data = { - .mode = (SHDMA_MIX_IRQ | SHDMA_DMAOR1), +/* DMA */ +static struct sh_dmae_channel sh7780_dmae0_channels[] = { + { + .offset = 0, + .dmars = 0, + .dmars_bit = 0, + }, { + .offset = 0x10, + .dmars = 0, + .dmars_bit = 8, + }, { + .offset = 0x20, + .dmars = 4, + .dmars_bit = 0, + }, { + .offset = 0x30, + .dmars = 4, + .dmars_bit = 8, + }, { + .offset = 0x50, + .dmars = 8, + .dmars_bit = 0, + }, { + .offset = 0x60, + .dmars = 8, + .dmars_bit = 8, + } +}; + +static struct sh_dmae_channel sh7780_dmae1_channels[] = { + { + .offset = 0, + }, { + .offset = 0x10, + }, { + .offset = 0x20, + }, { + .offset = 0x30, + }, { + .offset = 0x50, + }, { + .offset = 0x60, + } +}; + +static unsigned int ts_shift[] = TS_SHIFT; + +static struct sh_dmae_pdata dma0_platform_data = { + .channel = sh7780_dmae0_channels, + .channel_num = ARRAY_SIZE(sh7780_dmae0_channels), + .ts_low_shift = CHCR_TS_LOW_SHIFT, + .ts_low_mask = CHCR_TS_LOW_MASK, + .ts_high_shift = CHCR_TS_HIGH_SHIFT, + .ts_high_mask = CHCR_TS_HIGH_MASK, + .ts_shift = ts_shift, + .ts_shift_num = ARRAY_SIZE(ts_shift), + .dmaor_init = DMAOR_INIT, +}; + +static struct sh_dmae_pdata dma1_platform_data = { + .channel = sh7780_dmae1_channels, + .channel_num = ARRAY_SIZE(sh7780_dmae1_channels), + .ts_low_shift = CHCR_TS_LOW_SHIFT, + .ts_low_mask = CHCR_TS_LOW_MASK, + .ts_high_shift = CHCR_TS_HIGH_SHIFT, + .ts_high_mask = CHCR_TS_HIGH_MASK, + .ts_shift = ts_shift, + .ts_shift_num = ARRAY_SIZE(ts_shift), + .dmaor_init = DMAOR_INIT, }; -static struct platform_device dma_device = { +static struct resource sh7780_dmae0_resources[] = { + [0] = { + /* Channel registers and DMAOR */ + .start = 0xfc808020, + .end = 0xfc80808f, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* DMARSx */ + .start = 0xfc809000, + .end = 0xfc80900b, + .flags = IORESOURCE_MEM, + }, + { + /* Real DMA error IRQ is 38, and channel IRQs are 34-37, 44-45 */ + .start = 34, + .end = 34, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE, + }, +}; + +static struct resource sh7780_dmae1_resources[] = { + [0] = { + /* Channel registers and DMAOR */ + .start = 0xfc818020, + .end = 0xfc81808f, + .flags = IORESOURCE_MEM, + }, + /* DMAC1 has no DMARS */ + { + /* Real DMA error IRQ is 38, and channel IRQs are 46-47, 92-95 */ + .start = 46, + .end = 46, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE, + }, +}; + +static struct platform_device dma0_device = { .name = "sh-dma-engine", - .id = -1, + .id = 0, + .resource = sh7780_dmae0_resources, + .num_resources = ARRAY_SIZE(sh7780_dmae0_resources), .dev = { - .platform_data = &dma_platform_data, + .platform_data = &dma0_platform_data, + }, +}; + +static struct platform_device dma1_device = { + .name = "sh-dma-engine", + .id = 1, + .resource = sh7780_dmae1_resources, + .num_resources = ARRAY_SIZE(sh7780_dmae1_resources), + .dev = { + .platform_data = &dma1_platform_data, }, }; @@ -269,7 +388,8 @@ static struct platform_device *sh7780_devices[] __initdata = { &tmu4_device, &tmu5_device, &rtc_device, - &dma_device, + &dma0_device, + &dma1_device, }; static int __init sh7780_devices_setup(void) diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c index 23448d8..1fcd88b 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c @@ -14,9 +14,12 @@ #include <linux/io.h> #include <linux/mm.h> #include <linux/sh_timer.h> -#include <asm/dma-sh.h> + +#include <asm/dmaengine.h> #include <asm/mmzone.h> +#include <cpu/dma-register.h> + static struct plat_sci_port scif0_platform_data = { .mapbase = 0xffea0000, .flags = UPF_BOOT_AUTOCONF, @@ -295,15 +298,131 @@ static struct platform_device tmu5_device = { .num_resources = ARRAY_SIZE(tmu5_resources), }; -static struct sh_dmae_pdata dma_platform_data = { - .mode = (SHDMA_MIX_IRQ | SHDMA_DMAOR1), +/* DMA */ +static struct sh_dmae_channel sh7785_dmae0_channels[] = { + { + .offset = 0, + .dmars = 0, + .dmars_bit = 0, + }, { + .offset = 0x10, + .dmars = 0, + .dmars_bit = 8, + }, { + .offset = 0x20, + .dmars = 4, + .dmars_bit = 0, + }, { + .offset = 0x30, + .dmars = 4, + .dmars_bit = 8, + }, { + .offset = 0x50, + .dmars = 8, + .dmars_bit = 0, + }, { + .offset = 0x60, + .dmars = 8, + .dmars_bit = 8, + } +}; + +static struct sh_dmae_channel sh7785_dmae1_channels[] = { + { + .offset = 0, + }, { + .offset = 0x10, + }, { + .offset = 0x20, + }, { + .offset = 0x30, + }, { + .offset = 0x50, + }, { + .offset = 0x60, + } +}; + +static unsigned int ts_shift[] = TS_SHIFT; + +static struct sh_dmae_pdata dma0_platform_data = { + .channel = sh7785_dmae0_channels, + .channel_num = ARRAY_SIZE(sh7785_dmae0_channels), + .ts_low_shift = CHCR_TS_LOW_SHIFT, + .ts_low_mask = CHCR_TS_LOW_MASK, + .ts_high_shift = CHCR_TS_HIGH_SHIFT, + .ts_high_mask = CHCR_TS_HIGH_MASK, + .ts_shift = ts_shift, + .ts_shift_num = ARRAY_SIZE(ts_shift), + .dmaor_init = DMAOR_INIT, +}; + +static struct sh_dmae_pdata dma1_platform_data = { + .channel = sh7785_dmae1_channels, + .channel_num = ARRAY_SIZE(sh7785_dmae1_channels), + .ts_low_shift = CHCR_TS_LOW_SHIFT, + .ts_low_mask = CHCR_TS_LOW_MASK, + .ts_high_shift = CHCR_TS_HIGH_SHIFT, + .ts_high_mask = CHCR_TS_HIGH_MASK, + .ts_shift = ts_shift, + .ts_shift_num = ARRAY_SIZE(ts_shift), + .dmaor_init = DMAOR_INIT, }; -static struct platform_device dma_device = { +static struct resource sh7785_dmae0_resources[] = { + [0] = { + /* Channel registers and DMAOR */ + .start = 0xfc808020, + .end = 0xfc80808f, + .flags = IORESOURCE_MEM, + }, + [1] = { + /* DMARSx */ + .start = 0xfc809000, + .end = 0xfc80900b, + .flags = IORESOURCE_MEM, + }, + { + /* Real DMA error IRQ is 39, and channel IRQs are 33-38 */ + .start = 33, + .end = 33, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE, + }, +}; + +static struct resource sh7785_dmae1_resources[] = { + [0] = { + /* Channel registers and DMAOR */ + .start = 0xfcc08020, + .end = 0xfcc0808f, + .flags = IORESOURCE_MEM, + }, + /* DMAC1 has no DMARS */ + { + /* Real DMA error IRQ is 58, and channel IRQs are 52-57 */ + .start = 52, + .end = 52, + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE, + }, +}; + +static struct platform_device dma0_device = { .name = "sh-dma-engine", - .id = -1, + .id = 0, + .resource = sh7785_dmae0_resources, + .num_resources = ARRAY_SIZE(sh7785_dmae0_resources), .dev = { - .platform_data = &dma_platform_data, + .platform_data = &dma0_platform_data, + }, +}; + +static struct platform_device dma1_device = { + .name = "sh-dma-engine", + .id = 1, + .resource = sh7785_dmae1_resources, + .num_resources = ARRAY_SIZE(sh7785_dmae1_resources), + .dev = { + .platform_data = &dma1_platform_data, }, }; @@ -320,7 +439,8 @@ static struct platform_device *sh7785_devices[] __initdata = { &tmu3_device, &tmu4_device, &tmu5_device, - &dma_device, + &dma0_device, + &dma1_device, }; static int __init sh7785_devices_setup(void) diff --git a/arch/sh/kernel/hw_breakpoint.c b/arch/sh/kernel/hw_breakpoint.c index e2f1753..675eea7 100644 --- a/arch/sh/kernel/hw_breakpoint.c +++ b/arch/sh/kernel/hw_breakpoint.c @@ -143,26 +143,6 @@ static int arch_check_va_in_kernelspace(unsigned long va, u8 hbp_len) return (va >= TASK_SIZE) && ((va + len - 1) >= TASK_SIZE); } -/* - * Store a breakpoint's encoded address, length, and type. - */ -static int arch_store_info(struct perf_event *bp) -{ - struct arch_hw_breakpoint *info = counter_arch_bp(bp); - - /* - * User-space requests will always have the address field populated - * For kernel-addresses, either the address or symbol name can be - * specified. - */ - if (info->name) - info->address = (unsigned long)kallsyms_lookup_name(info->name); - if (info->address) - return 0; - - return -EINVAL; -} - int arch_bp_generic_fields(int sh_len, int sh_type, int *gen_len, int *gen_type) { @@ -276,10 +256,12 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp, return ret; } - ret = arch_store_info(bp); - - if (ret < 0) - return ret; + /* + * For kernel-addresses, either the address or symbol name can be + * specified. + */ + if (info->name) + info->address = (unsigned long)kallsyms_lookup_name(info->name); /* * Check that the low-order bits of the address are appropriate diff --git a/arch/sh/mm/fault_32.c b/arch/sh/mm/fault_32.c index 28e2283..8bf79e3 100644 --- a/arch/sh/mm/fault_32.c +++ b/arch/sh/mm/fault_32.c @@ -374,7 +374,7 @@ handle_tlbmiss(struct pt_regs *regs, unsigned long writeaccess, local_flush_tlb_one(get_asid(), address & PAGE_MASK); #endif - update_mmu_cache(NULL, address, entry); + update_mmu_cache(NULL, address, pte); return 0; } |