arch/arm/mach-spear/spear6xx.c

Source file repositories/reference/linux-study-clean/arch/arm/mach-spear/spear6xx.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-spear/spear6xx.c
Extension
.c
Size
8690 bytes
Lines
421
Domain
Architecture Layer
Bucket
arch/arm
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-only
/*
 * arch/arm/mach-spear6xx/spear6xx.c
 *
 * SPEAr6XX machines common source file
 *
 * Copyright (C) 2009 ST Microelectronics
 * Rajeev Kumar<rajeev-dlh.kumar@st.com>
 *
 * Copyright 2012 Stefan Roese <sr@denx.de>
 */

#include <linux/amba/pl08x.h>
#include <linux/clk.h>
#include <linux/clk/spear.h>
#include <linux/err.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_platform.h>
#include <linux/amba/pl080.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include "pl080.h"
#include "generic.h"
#include "spear.h"
#include "misc_regs.h"

/* dmac device registration */
static struct pl08x_channel_data spear600_dma_info[] = {
	{
		.bus_id = "ssp1_rx",
		.min_signal = 0,
		.max_signal = 0,
		.muxval = 0,
		.periph_buses = PL08X_AHB1,
	}, {
		.bus_id = "ssp1_tx",
		.min_signal = 1,
		.max_signal = 1,
		.muxval = 0,
		.periph_buses = PL08X_AHB1,
	}, {
		.bus_id = "uart0_rx",
		.min_signal = 2,
		.max_signal = 2,
		.muxval = 0,
		.periph_buses = PL08X_AHB1,
	}, {
		.bus_id = "uart0_tx",
		.min_signal = 3,
		.max_signal = 3,
		.muxval = 0,
		.periph_buses = PL08X_AHB1,
	}, {
		.bus_id = "uart1_rx",
		.min_signal = 4,
		.max_signal = 4,
		.muxval = 0,
		.periph_buses = PL08X_AHB1,
	}, {
		.bus_id = "uart1_tx",
		.min_signal = 5,
		.max_signal = 5,
		.muxval = 0,
		.periph_buses = PL08X_AHB1,
	}, {
		.bus_id = "ssp2_rx",
		.min_signal = 6,
		.max_signal = 6,
		.muxval = 0,
		.periph_buses = PL08X_AHB2,
	}, {
		.bus_id = "ssp2_tx",
		.min_signal = 7,
		.max_signal = 7,
		.muxval = 0,
		.periph_buses = PL08X_AHB2,
	}, {
		.bus_id = "ssp0_rx",
		.min_signal = 8,
		.max_signal = 8,
		.muxval = 0,
		.periph_buses = PL08X_AHB1,
	}, {
		.bus_id = "ssp0_tx",
		.min_signal = 9,
		.max_signal = 9,
		.muxval = 0,
		.periph_buses = PL08X_AHB1,

Annotation

Implementation Notes