arch/m68k/coldfire/m5441x.c

Source file repositories/reference/linux-study-clean/arch/m68k/coldfire/m5441x.c

File Facts

System
Linux kernel
Corpus path
arch/m68k/coldfire/m5441x.c
Extension
.c
Size
8209 bytes
Lines
252
Domain
Architecture Layer
Bucket
arch/m68k
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
/*
 *	m5441x.c -- support for Coldfire m5441x processors
 *
 *	(C) Copyright Steven King <sfking@fdwdc.com>
 */

#include <linux/clkdev.h>
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <asm/machdep.h>
#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/mcfuart.h>
#include <asm/mcfdma.h>
#include <asm/mcfclk.h>

DEFINE_CLK(0, "flexbus", 2, MCF_CLK);
DEFINE_CLK(0, "flexcan.0", 8, MCF_CLK);
DEFINE_CLK(0, "flexcan.1", 9, MCF_CLK);
DEFINE_CLK(0, "imx1-i2c.1", 14, MCF_CLK);
DEFINE_CLK(0, "mcfdspi.1", 15, MCF_CLK);
DEFINE_CLK(0, "edma", 17, MCF_CLK);
DEFINE_CLK(0, "intc.0", 18, MCF_CLK);
DEFINE_CLK(0, "intc.1", 19, MCF_CLK);
DEFINE_CLK(0, "intc.2", 20, MCF_CLK);
DEFINE_CLK(0, "imx1-i2c.0", 22, MCF_CLK);
DEFINE_CLK(0, "fsl-dspi.0", 23, MCF_CLK);
DEFINE_CLK(0, "mcfuart.0", 24, MCF_BUSCLK);
DEFINE_CLK(0, "mcfuart.1", 25, MCF_BUSCLK);
DEFINE_CLK(0, "mcfuart.2", 26, MCF_BUSCLK);
DEFINE_CLK(0, "mcfuart.3", 27, MCF_BUSCLK);
DEFINE_CLK(0, "mcftmr.0", 28, MCF_BUSCLK);
DEFINE_CLK(0, "mcftmr.1", 29, MCF_BUSCLK);
DEFINE_CLK(0, "mcftmr.2", 30, MCF_BUSCLK);
DEFINE_CLK(0, "mcftmr.3", 31, MCF_BUSCLK);
DEFINE_CLK(0, "mcfpit.0", 32, MCF_BUSCLK);
DEFINE_CLK(0, "mcfpit.1", 33, MCF_BUSCLK);
DEFINE_CLK(0, "mcfpit.2", 34, MCF_BUSCLK);
DEFINE_CLK(0, "mcfpit.3", 35, MCF_BUSCLK);
DEFINE_CLK(0, "mcfeport.0", 36, MCF_CLK);
DEFINE_CLK(0, "mcfadc.0", 37, MCF_CLK);
DEFINE_CLK(0, "mcfdac.0", 38, MCF_CLK);
DEFINE_CLK(0, "mcfdac.1", 39, MCF_CLK);
DEFINE_CLK(0, "mcfrtc.0", 42, MCF_CLK);
DEFINE_CLK(0, "mcfsim.0", 43, MCF_CLK);
DEFINE_CLK(0, "mcfusb-otg.0", 44, MCF_CLK);
DEFINE_CLK(0, "mcfusb-host.0", 45, MCF_CLK);
DEFINE_CLK(0, "mcfddr-sram.0", 46, MCF_CLK);
DEFINE_CLK(0, "mcfssi.0", 47, MCF_CLK);
DEFINE_CLK(0, "pll.0", 48, MCF_CLK);
DEFINE_CLK(0, "mcfrng.0", 49, MCF_CLK);
DEFINE_CLK(0, "mcfssi.1", 50, MCF_CLK);
DEFINE_CLK(0, "sdhci-esdhc-mcf.0", 51, MCF_CLK);
DEFINE_CLK(0, "enet-fec.0", 53, MCF_CLK);
DEFINE_CLK(0, "enet-fec.1", 54, MCF_CLK);
DEFINE_CLK(0, "switch.0", 55, MCF_CLK);
DEFINE_CLK(0, "switch.1", 56, MCF_CLK);
DEFINE_CLK(0, "nand.0", 63, MCF_CLK);

DEFINE_CLK(1, "mcfow.0", 2, MCF_CLK);
DEFINE_CLK(1, "imx1-i2c.2", 4, MCF_CLK);
DEFINE_CLK(1, "imx1-i2c.3", 5, MCF_CLK);
DEFINE_CLK(1, "imx1-i2c.4", 6, MCF_CLK);
DEFINE_CLK(1, "imx1-i2c.5", 7, MCF_CLK);
DEFINE_CLK(1, "mcfuart.4", 24, MCF_BUSCLK);
DEFINE_CLK(1, "mcfuart.5", 25, MCF_BUSCLK);
DEFINE_CLK(1, "mcfuart.6", 26, MCF_BUSCLK);
DEFINE_CLK(1, "mcfuart.7", 27, MCF_BUSCLK);
DEFINE_CLK(1, "mcfuart.8", 28, MCF_BUSCLK);
DEFINE_CLK(1, "mcfuart.9", 29, MCF_BUSCLK);
DEFINE_CLK(1, "mcfpwm.0", 34, MCF_BUSCLK);
DEFINE_CLK(1, "sys.0", 36, MCF_BUSCLK);
DEFINE_CLK(1, "gpio.0", 37, MCF_BUSCLK);

DEFINE_CLK(2, "ipg.0", 0, MCF_CLK);
DEFINE_CLK(2, "ahb.0", 1, MCF_CLK);
DEFINE_CLK(2, "per.0", 2, MCF_CLK);

static struct clk_lookup m5411x_clk_lookup[] = {
	CLKDEV_INIT("flexbus", NULL, &__clk_0_2),
	CLKDEV_INIT("mcfcan.0", NULL, &__clk_0_8),
	CLKDEV_INIT("mcfcan.1", NULL, &__clk_0_9),
	CLKDEV_INIT("imx1-i2c.1", NULL, &__clk_0_14),
	CLKDEV_INIT("mcfdspi.1", NULL, &__clk_0_15),
	CLKDEV_INIT("edma", NULL, &__clk_0_17),
	CLKDEV_INIT("intc.0", NULL, &__clk_0_18),

Annotation

Implementation Notes