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Commit f205cfaf authored by Tony Lindgren's avatar Tony Lindgren
Browse files

ARM: OMAP: Move omap1 specific code to local sram.c 



Let's make the omap1 specific parts private to mach-omap1.
These should not be in the shared code.

Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent d8cfd6c8

arch/arm/mach-omap1/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -3,7 +3,8 @@ 
#



# Common support

obj-y := io.o id.o sram.o time.o irq.o mux.o flash.o serial.o devices.o dma.o

obj-y := io.o id.o sram-init.o sram.o time.o irq.o mux.o flash.o \

	 serial.o devices.o dma.o

obj-y += clock.o clock_data.o opp_data.o reset.o pm_bus.o timer.o



ifneq ($(CONFIG_SND_OMAP_SOC_MCBSP),)

arch/arm/mach-omap1/sram-init.c

0 → 100644
+76 −0
Original line number Diff line number Diff line 
/*

 * OMAP SRAM detection and management

 *

 * Copyright (C) 2005 Nokia Corporation

 * Written by Tony Lindgren <tony@atomide.com>

 *

 * 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.

 */



#include <linux/module.h>

#include <linux/kernel.h>

#include <linux/init.h>

#include <linux/io.h>



#include <asm/fncpy.h>

#include <asm/tlb.h>

#include <asm/cacheflush.h>



#include <asm/mach/map.h>



#include "soc.h"

#include "sram.h"



#define OMAP1_SRAM_PA		0x20000000

#define SRAM_BOOTLOADER_SZ	0x80



/*

 * The amount of SRAM depends on the core type.

 * Note that we cannot try to test for SRAM here because writes

 * to secure SRAM will hang the system. Also the SRAM is not

 * yet mapped at this point.

 */

static void __init omap_detect_and_map_sram(void)

{

	unsigned long omap_sram_skip = SRAM_BOOTLOADER_SZ;

	unsigned long omap_sram_start = OMAP1_SRAM_PA;

	unsigned long omap_sram_size;



	if (cpu_is_omap7xx())

		omap_sram_size = 0x32000;	/* 200K */

	else if (cpu_is_omap15xx())

		omap_sram_size = 0x30000;	/* 192K */

	else if (cpu_is_omap1610() || cpu_is_omap1611() ||

			cpu_is_omap1621() || cpu_is_omap1710())

		omap_sram_size = 0x4000;	/* 16K */

	else {

		pr_err("Could not detect SRAM size\n");

		omap_sram_size = 0x4000;

	}



	omap_map_sram(omap_sram_start, omap_sram_size,

		omap_sram_skip, 1);

}



static void (*_omap_sram_reprogram_clock)(u32 dpllctl, u32 ckctl);



void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)

{

	BUG_ON(!_omap_sram_reprogram_clock);

	/* On 730, bit 13 must always be 1 */

	if (cpu_is_omap7xx())

		ckctl |= 0x2000;

	_omap_sram_reprogram_clock(dpllctl, ckctl);

}



int __init omap_sram_init(void)

{

	omap_detect_and_map_sram();

	_omap_sram_reprogram_clock =

			omap_sram_push(omap1_sram_reprogram_clock,

					omap1_sram_reprogram_clock_sz);



	return 0;

}

arch/arm/plat-omap/sram.c

+3 −46
Original line number Diff line number Diff line
@@ -26,8 +26,6 @@ 


#include <asm/mach/map.h>



#include "../mach-omap1/soc.h"

#include "../mach-omap1/sram.h"

#include "../mach-omap2/soc.h"

#include "../mach-omap2/sram.h"
@@ -36,7 +34,6 @@ 
#include "../mach-omap2/prm2xxx_3xxx.h"

#include "../mach-omap2/sdrc.h"



#define OMAP1_SRAM_PA		0x20000000

#define OMAP2_SRAM_PUB_PA	(OMAP2_SRAM_PA + 0xf800)

#define OMAP3_SRAM_PUB_PA       (OMAP3_SRAM_PA + 0x8000)

#ifdef CONFIG_OMAP4_ERRATA_I688
@@ -150,20 +147,6 @@ static void __init omap_detect_sram(void) 
					omap_sram_size = 0x10000; /* 64K */

			}

		}

	} else {

		omap_sram_start = OMAP1_SRAM_PA;



		if (cpu_is_omap7xx())

			omap_sram_size = 0x32000;	/* 200K */

		else if (cpu_is_omap15xx())

			omap_sram_size = 0x30000;	/* 192K */

		else if (cpu_is_omap1610() || cpu_is_omap1611() ||

				cpu_is_omap1621() || cpu_is_omap1710())

			omap_sram_size = 0x4000;	/* 16K */

		else {

			pr_err("Could not detect SRAM size\n");

			omap_sram_size = 0x4000;

		}

	}

}
@@ -257,32 +240,6 @@ void __init omap_map_sram(unsigned long start, unsigned long size, 
		  omap_sram_size - omap_sram_skip);

}



#ifdef CONFIG_ARCH_OMAP1



static void (*_omap_sram_reprogram_clock)(u32 dpllctl, u32 ckctl);



void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)

{

	BUG_ON(!_omap_sram_reprogram_clock);

	/* On 730, bit 13 must always be 1 */

	if (cpu_is_omap7xx())

		ckctl |= 0x2000;

	_omap_sram_reprogram_clock(dpllctl, ckctl);

}



static int __init omap1_sram_init(void)

{

	_omap_sram_reprogram_clock =

			omap_sram_push(omap1_sram_reprogram_clock,

					omap1_sram_reprogram_clock_sz);



	return 0;

}



#else

#define omap1_sram_init()	do {} while (0)

#endif



#if defined(CONFIG_ARCH_OMAP2)



static void (*_omap2_sram_ddr_init)(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
@@ -407,14 +364,13 @@ static inline int am33xx_sram_init(void) 
	return 0;

}



#ifdef CONFIG_ARCH_OMAP2PLUS

int __init omap_sram_init(void)

{

	omap_detect_sram();

	omap_fix_and_map_sram();



	if (!(cpu_class_is_omap2()))

		omap1_sram_init();

	else if (cpu_is_omap242x())

	if (cpu_is_omap242x())

		omap242x_sram_init();

	else if (cpu_is_omap2430())

		omap243x_sram_init();
@@ -425,3 +381,4 @@ int __init omap_sram_init(void) 


	return 0;

}

#endif