arch/arm/mach-omap1/opp_data.c

Source file repositories/reference/linux-study-clean/arch/arm/mach-omap1/opp_data.c

File Facts

System
Linux kernel
Corpus path
arch/arm/mach-omap1/opp_data.c
Extension
.c
Size
1983 bytes
Lines
52
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
/*
 *  linux/arch/arm/mach-omap1/opp_data.c
 *
 *  Copyright (C) 2004 - 2005 Nokia corporation
 *  Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
 *  Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
 */

#include "clock.h"
#include "opp.h"

/*-------------------------------------------------------------------------
 * Omap1 MPU rate table
 *-------------------------------------------------------------------------*/
struct mpu_rate omap1_rate_table[] = {
	/* MPU MHz, xtal MHz, dpll1 MHz, CKCTL, DPLL_CTL
	 * NOTE: Comment order here is different from bits in CKCTL value:
	 * armdiv, dspdiv, dspmmu, tcdiv, perdiv, lcddiv
	 */
	{ 216000000, 12000000, 216000000, 0x050d, 0x2910, /* 1/1/2/2/2/8 */
			CK_1710 },
	{ 195000000, 13000000, 195000000, 0x050e, 0x2790, /* 1/1/2/2/4/8 */
			CK_7XX },
	{ 192000000, 19200000, 192000000, 0x050f, 0x2510, /* 1/1/2/2/8/8 */
			CK_16XX },
	{ 192000000, 12000000, 192000000, 0x050f, 0x2810, /* 1/1/2/2/8/8 */
			CK_16XX },
	{  96000000, 12000000, 192000000, 0x055f, 0x2810, /* 2/2/2/2/8/8 */
			CK_16XX },
	{  48000000, 12000000, 192000000, 0x0baf, 0x2810, /* 4/4/4/8/8/8 */
			CK_16XX },
	{  24000000, 12000000, 192000000, 0x0fff, 0x2810, /* 8/8/8/8/8/8 */
			CK_16XX },
	{ 182000000, 13000000, 182000000, 0x050e, 0x2710, /* 1/1/2/2/4/8 */
			CK_7XX },
	{ 168000000, 12000000, 168000000, 0x010f, 0x2710, /* 1/1/1/2/8/8 */
			CK_16XX|CK_7XX },
	{ 150000000, 12000000, 150000000, 0x010a, 0x2cb0, /* 1/1/1/2/4/4 */
			CK_1510 },
	{ 120000000, 12000000, 120000000, 0x010a, 0x2510, /* 1/1/1/2/4/4 */
			CK_16XX|CK_1510|CK_310|CK_7XX },
	{  96000000, 12000000,  96000000, 0x0005, 0x2410, /* 1/1/1/1/2/2 */
			CK_16XX|CK_1510|CK_310|CK_7XX },
	{  60000000, 12000000,  60000000, 0x0005, 0x2290, /* 1/1/1/1/2/2 */
			CK_16XX|CK_1510|CK_310|CK_7XX },
	{  30000000, 12000000,  60000000, 0x0555, 0x2290, /* 2/2/2/2/2/2 */
			CK_16XX|CK_1510|CK_310|CK_7XX },
	{ 0, 0, 0, 0, 0 },
};

Annotation

Implementation Notes