arch/sh/kernel/cpu/sh4a/setup-sh7722.c

Source file repositories/reference/linux-study-clean/arch/sh/kernel/cpu/sh4a/setup-sh7722.c

File Facts

System
Linux kernel
Corpus path
arch/sh/kernel/cpu/sh4a/setup-sh7722.c
Extension
.c
Size
17054 bytes
Lines
667
Domain
Architecture Layer
Bucket
arch/sh
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
/*
 * SH7722 Setup
 *
 *  Copyright (C) 2006 - 2008  Paul Mundt
 */
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/platform_device.h>
#include <linux/serial.h>
#include <linux/serial_sci.h>
#include <linux/sh_dma.h>
#include <linux/sh_timer.h>
#include <linux/sh_intc.h>
#include <linux/uio_driver.h>
#include <linux/usb/m66592.h>

#include <asm/clock.h>
#include <asm/mmzone.h>
#include <asm/siu.h>
#include <asm/platform_early.h>

#include <cpu/dma-register.h>
#include <cpu/sh7722.h>
#include <cpu/serial.h>

static const struct sh_dmae_slave_config sh7722_dmae_slaves[] = {
	{
		.slave_id	= SHDMA_SLAVE_SCIF0_TX,
		.addr		= 0xffe0000c,
		.chcr		= DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT),
		.mid_rid	= 0x21,
	}, {
		.slave_id	= SHDMA_SLAVE_SCIF0_RX,
		.addr		= 0xffe00014,
		.chcr		= DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT),
		.mid_rid	= 0x22,
	}, {
		.slave_id	= SHDMA_SLAVE_SCIF1_TX,
		.addr		= 0xffe1000c,
		.chcr		= DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT),
		.mid_rid	= 0x25,
	}, {
		.slave_id	= SHDMA_SLAVE_SCIF1_RX,
		.addr		= 0xffe10014,
		.chcr		= DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT),
		.mid_rid	= 0x26,
	}, {
		.slave_id	= SHDMA_SLAVE_SCIF2_TX,
		.addr		= 0xffe2000c,
		.chcr		= DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT),
		.mid_rid	= 0x29,
	}, {
		.slave_id	= SHDMA_SLAVE_SCIF2_RX,
		.addr		= 0xffe20014,
		.chcr		= DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_8BIT),
		.mid_rid	= 0x2a,
	}, {
		.slave_id	= SHDMA_SLAVE_SIUA_TX,
		.addr		= 0xa454c098,
		.chcr		= DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT),
		.mid_rid	= 0xb1,
	}, {
		.slave_id	= SHDMA_SLAVE_SIUA_RX,
		.addr		= 0xa454c090,
		.chcr		= DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT),
		.mid_rid	= 0xb2,
	}, {
		.slave_id	= SHDMA_SLAVE_SIUB_TX,
		.addr		= 0xa454c09c,
		.chcr		= DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT),
		.mid_rid	= 0xb5,
	}, {
		.slave_id	= SHDMA_SLAVE_SIUB_RX,
		.addr		= 0xa454c094,
		.chcr		= DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_32BIT),
		.mid_rid	= 0xb6,
	}, {
		.slave_id	= SHDMA_SLAVE_SDHI0_TX,
		.addr		= 0x04ce0030,
		.chcr		= DM_FIX | SM_INC | RS_ERS | TS_INDEX2VAL(XMIT_SZ_16BIT),
		.mid_rid	= 0xc1,
	}, {
		.slave_id	= SHDMA_SLAVE_SDHI0_RX,
		.addr		= 0x04ce0030,
		.chcr		= DM_INC | SM_FIX | RS_ERS | TS_INDEX2VAL(XMIT_SZ_16BIT),
		.mid_rid	= 0xc2,
	},
};

Annotation

Implementation Notes