2005-09-08 00:20:26 +08:00
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/*
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* linux/arch/arm/plat-omap/sram.c
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*
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* OMAP SRAM detection and management
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*
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* Copyright (C) 2005 Nokia Corporation
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* Written by Tony Lindgren <tony@atomide.com>
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*
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2009-05-29 05:16:04 +08:00
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* Copyright (C) 2009 Texas Instruments
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* Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
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*
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2005-09-08 00:20:26 +08:00
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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2008-07-03 17:24:38 +08:00
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#undef DEBUG
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2005-09-08 00:20:26 +08:00
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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2008-09-06 19:10:45 +08:00
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#include <linux/io.h>
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2010-10-09 01:00:19 +08:00
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#include <linux/omapfb.h>
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2005-09-08 00:20:26 +08:00
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2006-02-09 06:06:45 +08:00
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#include <asm/tlb.h>
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2005-09-08 00:20:26 +08:00
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#include <asm/cacheflush.h>
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2006-04-03 00:46:25 +08:00
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#include <asm/mach/map.h>
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2009-10-21 00:40:47 +08:00
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#include <plat/sram.h>
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#include <plat/board.h>
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#include <plat/cpu.h>
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2009-08-07 17:01:55 +08:00
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#include <plat/vram.h>
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2005-11-10 22:26:50 +08:00
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2010-10-09 01:00:19 +08:00
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#include "sram.h"
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#include "fb.h"
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2010-12-22 06:30:55 +08:00
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/* XXX These "sideways" includes are a sign that something is wrong */
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2008-07-03 17:24:38 +08:00
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#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
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2010-12-22 06:30:55 +08:00
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# include "../mach-omap2/prm2xxx_3xxx.h"
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2008-07-03 17:24:38 +08:00
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# include "../mach-omap2/sdrc.h"
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#endif
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2005-11-10 22:26:50 +08:00
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#define OMAP1_SRAM_PA 0x20000000
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2008-07-03 17:24:38 +08:00
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#define OMAP1_SRAM_VA VMALLOC_END
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2010-12-18 23:44:42 +08:00
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#define OMAP2_SRAM_PUB_PA (OMAP2_SRAM_PA + 0xf800)
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2009-10-20 08:25:53 +08:00
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#define OMAP2_SRAM_VA 0xfe400000
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2009-05-26 02:08:41 +08:00
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#define OMAP2_SRAM_PUB_VA (OMAP2_SRAM_VA + 0x800)
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2009-10-20 08:25:53 +08:00
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#define OMAP3_SRAM_VA 0xfe400000
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2010-12-18 23:44:42 +08:00
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#define OMAP3_SRAM_PUB_PA (OMAP3_SRAM_PA + 0x8000)
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2009-08-10 19:49:50 +08:00
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#define OMAP3_SRAM_PUB_VA (OMAP3_SRAM_VA + 0x8000)
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2009-12-12 08:16:35 +08:00
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#define OMAP4_SRAM_VA 0xfe400000
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#define OMAP4_SRAM_PUB_PA (OMAP4_SRAM_PA + 0x4000)
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#define OMAP4_SRAM_PUB_VA (OMAP4_SRAM_VA + 0x4000)
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2008-07-03 17:24:38 +08:00
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2010-09-16 20:49:25 +08:00
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#if defined(CONFIG_ARCH_OMAP2PLUS)
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2006-04-03 00:46:25 +08:00
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#define SRAM_BOOTLOADER_SZ 0x00
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#else
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2005-09-08 00:20:26 +08:00
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#define SRAM_BOOTLOADER_SZ 0x80
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2006-04-03 00:46:25 +08:00
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#endif
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2009-10-20 06:25:31 +08:00
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#define OMAP24XX_VA_REQINFOPERM0 OMAP2_L3_IO_ADDRESS(0x68005048)
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#define OMAP24XX_VA_READPERM0 OMAP2_L3_IO_ADDRESS(0x68005050)
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#define OMAP24XX_VA_WRITEPERM0 OMAP2_L3_IO_ADDRESS(0x68005058)
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2008-07-03 17:24:38 +08:00
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2009-10-20 06:25:31 +08:00
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#define OMAP34XX_VA_REQINFOPERM0 OMAP2_L3_IO_ADDRESS(0x68012848)
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#define OMAP34XX_VA_READPERM0 OMAP2_L3_IO_ADDRESS(0x68012850)
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#define OMAP34XX_VA_WRITEPERM0 OMAP2_L3_IO_ADDRESS(0x68012858)
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#define OMAP34XX_VA_ADDR_MATCH2 OMAP2_L3_IO_ADDRESS(0x68012880)
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#define OMAP34XX_VA_SMS_RG_ATT0 OMAP2_L3_IO_ADDRESS(0x6C000048)
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2008-07-03 17:24:38 +08:00
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2006-04-03 00:46:25 +08:00
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#define GP_DEVICE 0x300
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#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1)))
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2005-09-08 00:20:26 +08:00
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2006-12-08 05:58:10 +08:00
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static unsigned long omap_sram_start;
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2005-09-08 00:20:26 +08:00
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static unsigned long omap_sram_base;
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static unsigned long omap_sram_size;
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static unsigned long omap_sram_ceil;
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2007-03-06 19:16:36 +08:00
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/*
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* Depending on the target RAMFS firewall setup, the public usable amount of
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2007-05-12 03:40:30 +08:00
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* SRAM varies. The default accessible size for all device types is 2k. A GP
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* device allows ARM11 but not other initiators for full size. This
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2006-04-03 00:46:25 +08:00
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* functionality seems ok until some nice security API happens.
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*/
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static int is_sram_locked(void)
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{
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2010-09-16 20:49:24 +08:00
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if (OMAP2_DEVICE_TYPE_GP == omap_type()) {
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2007-05-12 03:40:30 +08:00
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/* RAMFW: R/W access to all initiators for all qualifier sets */
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2006-04-03 00:46:25 +08:00
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if (cpu_is_omap242x()) {
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2008-07-03 17:24:38 +08:00
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__raw_writel(0xFF, OMAP24XX_VA_REQINFOPERM0); /* all q-vects */
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__raw_writel(0xCFDE, OMAP24XX_VA_READPERM0); /* all i-read */
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__raw_writel(0xCFDE, OMAP24XX_VA_WRITEPERM0); /* all i-write */
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}
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if (cpu_is_omap34xx()) {
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__raw_writel(0xFFFF, OMAP34XX_VA_REQINFOPERM0); /* all q-vects */
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__raw_writel(0xFFFF, OMAP34XX_VA_READPERM0); /* all i-read */
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__raw_writel(0xFFFF, OMAP34XX_VA_WRITEPERM0); /* all i-write */
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__raw_writel(0x0, OMAP34XX_VA_ADDR_MATCH2);
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__raw_writel(0xFFFFFFFF, OMAP34XX_VA_SMS_RG_ATT0);
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2006-04-03 00:46:25 +08:00
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}
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return 0;
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} else
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return 1; /* assume locked with no PPA or security driver */
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}
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2005-09-08 00:20:26 +08:00
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/*
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2005-11-10 22:26:50 +08:00
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* The amount of SRAM depends on the core type.
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2005-09-08 00:20:26 +08:00
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* Note that we cannot try to test for SRAM here because writes
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* to secure SRAM will hang the system. Also the SRAM is not
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* yet mapped at this point.
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*/
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2010-10-09 01:00:19 +08:00
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static void __init omap_detect_sram(void)
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2005-09-08 00:20:26 +08:00
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{
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2007-03-06 19:16:36 +08:00
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unsigned long reserved;
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2006-04-03 00:46:25 +08:00
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2008-07-03 17:24:38 +08:00
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if (cpu_class_is_omap2()) {
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2006-04-03 00:46:25 +08:00
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if (is_sram_locked()) {
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2008-07-03 17:24:38 +08:00
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if (cpu_is_omap34xx()) {
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omap_sram_base = OMAP3_SRAM_PUB_VA;
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omap_sram_start = OMAP3_SRAM_PUB_PA;
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2009-06-23 18:30:23 +08:00
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if ((omap_type() == OMAP2_DEVICE_TYPE_EMU) ||
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(omap_type() == OMAP2_DEVICE_TYPE_SEC)) {
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omap_sram_size = 0x7000; /* 28K */
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} else {
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omap_sram_size = 0x8000; /* 32K */
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}
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2009-12-12 08:16:35 +08:00
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} else if (cpu_is_omap44xx()) {
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omap_sram_base = OMAP4_SRAM_PUB_VA;
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omap_sram_start = OMAP4_SRAM_PUB_PA;
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omap_sram_size = 0xa000; /* 40K */
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2008-07-03 17:24:38 +08:00
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} else {
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omap_sram_base = OMAP2_SRAM_PUB_VA;
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omap_sram_start = OMAP2_SRAM_PUB_PA;
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omap_sram_size = 0x800; /* 2K */
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}
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2006-04-03 00:46:25 +08:00
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} else {
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2008-07-03 17:24:38 +08:00
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if (cpu_is_omap34xx()) {
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omap_sram_base = OMAP3_SRAM_VA;
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omap_sram_start = OMAP3_SRAM_PA;
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2006-04-03 00:46:25 +08:00
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omap_sram_size = 0x10000; /* 64K */
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2009-05-29 05:16:04 +08:00
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} else if (cpu_is_omap44xx()) {
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omap_sram_base = OMAP4_SRAM_VA;
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omap_sram_start = OMAP4_SRAM_PA;
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2009-12-12 08:16:35 +08:00
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omap_sram_size = 0xe000; /* 56K */
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2008-07-03 17:24:38 +08:00
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} else {
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omap_sram_base = OMAP2_SRAM_VA;
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omap_sram_start = OMAP2_SRAM_PA;
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if (cpu_is_omap242x())
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omap_sram_size = 0xa0000; /* 640K */
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else if (cpu_is_omap243x())
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omap_sram_size = 0x10000; /* 64K */
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}
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2006-04-03 00:46:25 +08:00
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}
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} else {
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2005-11-10 22:26:50 +08:00
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omap_sram_base = OMAP1_SRAM_VA;
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2006-12-08 05:58:10 +08:00
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omap_sram_start = OMAP1_SRAM_PA;
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2006-04-03 00:46:25 +08:00
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2009-03-24 09:07:44 +08:00
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if (cpu_is_omap7xx())
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2006-04-03 00:46:25 +08:00
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omap_sram_size = 0x32000; /* 200K */
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else if (cpu_is_omap15xx())
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omap_sram_size = 0x30000; /* 192K */
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else if (cpu_is_omap1610() || cpu_is_omap1621() ||
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cpu_is_omap1710())
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omap_sram_size = 0x4000; /* 16K */
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else if (cpu_is_omap1611())
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2010-12-08 09:02:12 +08:00
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omap_sram_size = SZ_256K;
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2006-04-03 00:46:25 +08:00
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else {
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2011-04-04 16:50:08 +08:00
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pr_err("Could not detect SRAM size\n");
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2006-04-03 00:46:25 +08:00
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omap_sram_size = 0x4000;
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}
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2005-09-08 00:20:26 +08:00
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}
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2007-03-06 19:16:36 +08:00
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reserved = omapfb_reserve_sram(omap_sram_start, omap_sram_base,
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omap_sram_size,
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omap_sram_start + SRAM_BOOTLOADER_SZ,
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omap_sram_size - SRAM_BOOTLOADER_SZ);
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omap_sram_size -= reserved;
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2009-08-07 17:01:55 +08:00
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reserved = omap_vram_reserve_sram(omap_sram_start, omap_sram_base,
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omap_sram_size,
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omap_sram_start + SRAM_BOOTLOADER_SZ,
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omap_sram_size - SRAM_BOOTLOADER_SZ);
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omap_sram_size -= reserved;
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2005-09-08 00:20:26 +08:00
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omap_sram_ceil = omap_sram_base + omap_sram_size;
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}
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static struct map_desc omap_sram_io_desc[] __initdata = {
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2005-10-28 22:19:00 +08:00
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{ /* .length gets filled in at runtime */
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2005-11-10 22:26:50 +08:00
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.virtual = OMAP1_SRAM_VA,
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.pfn = __phys_to_pfn(OMAP1_SRAM_PA),
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2006-06-27 07:16:24 +08:00
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.type = MT_MEMORY
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2005-10-28 22:19:00 +08:00
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}
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2005-09-08 00:20:26 +08:00
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};
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/*
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2006-06-27 07:16:24 +08:00
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* Note that we cannot use ioremap for SRAM, as clock init needs SRAM early.
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2005-09-08 00:20:26 +08:00
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*/
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2010-10-09 01:00:19 +08:00
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static void __init omap_map_sram(void)
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2005-09-08 00:20:26 +08:00
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{
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2006-04-03 00:46:25 +08:00
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unsigned long base;
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2005-09-08 00:20:26 +08:00
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if (omap_sram_size == 0)
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return;
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2008-07-03 17:24:38 +08:00
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if (cpu_is_omap34xx()) {
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2009-05-13 07:27:09 +08:00
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/*
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* SRAM must be marked as non-cached on OMAP3 since the
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* CORE DPLL M2 divider change code (in SRAM) runs with the
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* SDRAM controller disabled, and if it is marked cached,
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* the ARM may attempt to write cache lines back to SDRAM
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* which will cause the system to hang.
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*/
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omap_sram_io_desc[0].type = MT_MEMORY_NONCACHED;
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2008-07-03 17:24:38 +08:00
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}
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2010-09-24 14:19:49 +08:00
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omap_sram_io_desc[0].virtual = omap_sram_base;
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base = omap_sram_start;
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base = ROUND_DOWN(base, PAGE_SIZE);
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omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
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omap_sram_io_desc[0].length = ROUND_DOWN(omap_sram_size, PAGE_SIZE);
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2005-09-08 00:20:26 +08:00
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iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc));
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2011-04-04 16:50:08 +08:00
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pr_info("SRAM: Mapped pa 0x%08llx to va 0x%08lx size: 0x%lx\n",
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(long long) __pfn_to_phys(omap_sram_io_desc[0].pfn),
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omap_sram_io_desc[0].virtual,
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omap_sram_io_desc[0].length);
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2005-11-10 22:26:50 +08:00
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2006-02-09 06:06:45 +08:00
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/*
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* Normally devicemaps_init() would flush caches and tlb after
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* mdesc->map_io(), but since we're called from map_io(), we
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* must do it here.
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*/
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local_flush_tlb_all();
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flush_cache_all();
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2005-09-08 00:20:26 +08:00
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/*
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* Looks like we need to preserve some bootloader code at the
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* beginning of SRAM for jumping to flash for reboot to work...
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*/
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memset((void *)omap_sram_base + SRAM_BOOTLOADER_SZ, 0,
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omap_sram_size - SRAM_BOOTLOADER_SZ);
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}
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2011-02-02 23:38:06 +08:00
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/*
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* Memory allocator for SRAM: calculates the new ceiling address
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* for pushing a function using the fncpy API.
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*
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* Note that fncpy requires the returned address to be aligned
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* to an 8-byte boundary.
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*/
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void *omap_sram_push_address(unsigned long size)
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2005-09-08 00:20:26 +08:00
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{
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if (size > (omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ))) {
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2011-04-04 16:50:08 +08:00
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pr_err("Not enough space in SRAM\n");
|
2005-09-08 00:20:26 +08:00
|
|
|
return NULL;
|
|
|
|
}
|
2006-04-03 00:46:25 +08:00
|
|
|
|
2005-09-08 00:20:26 +08:00
|
|
|
omap_sram_ceil -= size;
|
2011-02-02 23:38:06 +08:00
|
|
|
omap_sram_ceil = ROUND_DOWN(omap_sram_ceil, FNCPY_ALIGN);
|
2005-09-08 00:20:26 +08:00
|
|
|
|
|
|
|
return (void *)omap_sram_ceil;
|
|
|
|
}
|
|
|
|
|
2005-11-10 22:26:50 +08:00
|
|
|
#ifdef CONFIG_ARCH_OMAP1
|
|
|
|
|
|
|
|
static void (*_omap_sram_reprogram_clock)(u32 dpllctl, u32 ckctl);
|
|
|
|
|
|
|
|
void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)
|
|
|
|
{
|
2009-05-26 02:26:48 +08:00
|
|
|
BUG_ON(!_omap_sram_reprogram_clock);
|
2008-12-02 01:40:54 +08:00
|
|
|
_omap_sram_reprogram_clock(dpllctl, ckctl);
|
2005-11-10 22:26:50 +08:00
|
|
|
}
|
|
|
|
|
2010-11-19 01:59:47 +08:00
|
|
|
static int __init omap1_sram_init(void)
|
2005-09-08 00:20:26 +08:00
|
|
|
{
|
2008-07-03 17:24:38 +08:00
|
|
|
_omap_sram_reprogram_clock =
|
|
|
|
omap_sram_push(omap1_sram_reprogram_clock,
|
|
|
|
omap1_sram_reprogram_clock_sz);
|
2005-11-10 22:26:50 +08:00
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#else
|
|
|
|
#define omap1_sram_init() do {} while (0)
|
|
|
|
#endif
|
|
|
|
|
2008-10-09 22:51:41 +08:00
|
|
|
#if defined(CONFIG_ARCH_OMAP2)
|
2005-11-10 22:26:50 +08:00
|
|
|
|
|
|
|
static void (*_omap2_sram_ddr_init)(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
|
|
|
|
u32 base_cs, u32 force_unlock);
|
|
|
|
|
|
|
|
void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
|
|
|
|
u32 base_cs, u32 force_unlock)
|
|
|
|
{
|
2009-05-26 02:26:48 +08:00
|
|
|
BUG_ON(!_omap2_sram_ddr_init);
|
2008-12-02 01:40:54 +08:00
|
|
|
_omap2_sram_ddr_init(slow_dll_ctrl, fast_dll_ctrl,
|
|
|
|
base_cs, force_unlock);
|
2005-11-10 22:26:50 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void (*_omap2_sram_reprogram_sdrc)(u32 perf_level, u32 dll_val,
|
|
|
|
u32 mem_type);
|
|
|
|
|
|
|
|
void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, u32 mem_type)
|
|
|
|
{
|
2009-05-26 02:26:48 +08:00
|
|
|
BUG_ON(!_omap2_sram_reprogram_sdrc);
|
2008-12-02 01:40:54 +08:00
|
|
|
_omap2_sram_reprogram_sdrc(perf_level, dll_val, mem_type);
|
2005-11-10 22:26:50 +08:00
|
|
|
}
|
|
|
|
|
|
|
|
static u32 (*_omap2_set_prcm)(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
|
|
|
|
|
|
|
|
u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass)
|
|
|
|
{
|
2009-05-26 02:26:48 +08:00
|
|
|
BUG_ON(!_omap2_set_prcm);
|
2005-11-10 22:26:50 +08:00
|
|
|
return _omap2_set_prcm(dpll_ctrl_val, sdrc_rfr_val, bypass);
|
|
|
|
}
|
2008-07-03 17:24:38 +08:00
|
|
|
#endif
|
|
|
|
|
2011-01-28 08:39:40 +08:00
|
|
|
#ifdef CONFIG_SOC_OMAP2420
|
2010-10-09 01:00:19 +08:00
|
|
|
static int __init omap242x_sram_init(void)
|
2008-07-03 17:24:38 +08:00
|
|
|
{
|
|
|
|
_omap2_sram_ddr_init = omap_sram_push(omap242x_sram_ddr_init,
|
|
|
|
omap242x_sram_ddr_init_sz);
|
|
|
|
|
|
|
|
_omap2_sram_reprogram_sdrc = omap_sram_push(omap242x_sram_reprogram_sdrc,
|
|
|
|
omap242x_sram_reprogram_sdrc_sz);
|
|
|
|
|
|
|
|
_omap2_set_prcm = omap_sram_push(omap242x_sram_set_prcm,
|
|
|
|
omap242x_sram_set_prcm_sz);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
static inline int omap242x_sram_init(void)
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2011-01-28 08:39:40 +08:00
|
|
|
#ifdef CONFIG_SOC_OMAP2430
|
2010-10-09 01:00:19 +08:00
|
|
|
static int __init omap243x_sram_init(void)
|
2008-07-03 17:24:38 +08:00
|
|
|
{
|
|
|
|
_omap2_sram_ddr_init = omap_sram_push(omap243x_sram_ddr_init,
|
|
|
|
omap243x_sram_ddr_init_sz);
|
|
|
|
|
|
|
|
_omap2_sram_reprogram_sdrc = omap_sram_push(omap243x_sram_reprogram_sdrc,
|
|
|
|
omap243x_sram_reprogram_sdrc_sz);
|
|
|
|
|
|
|
|
_omap2_set_prcm = omap_sram_push(omap243x_sram_set_prcm,
|
|
|
|
omap243x_sram_set_prcm_sz);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
static inline int omap243x_sram_init(void)
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
#ifdef CONFIG_ARCH_OMAP3
|
|
|
|
|
2009-07-25 09:43:25 +08:00
|
|
|
static u32 (*_omap3_sram_configure_core_dpll)(
|
|
|
|
u32 m2, u32 unlock_dll, u32 f, u32 inc,
|
|
|
|
u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
|
|
|
|
u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
|
|
|
|
u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
|
|
|
|
u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1);
|
|
|
|
|
|
|
|
u32 omap3_configure_core_dpll(u32 m2, u32 unlock_dll, u32 f, u32 inc,
|
|
|
|
u32 sdrc_rfr_ctrl_0, u32 sdrc_actim_ctrl_a_0,
|
|
|
|
u32 sdrc_actim_ctrl_b_0, u32 sdrc_mr_0,
|
|
|
|
u32 sdrc_rfr_ctrl_1, u32 sdrc_actim_ctrl_a_1,
|
|
|
|
u32 sdrc_actim_ctrl_b_1, u32 sdrc_mr_1)
|
2008-07-03 17:24:38 +08:00
|
|
|
{
|
2009-05-26 02:26:48 +08:00
|
|
|
BUG_ON(!_omap3_sram_configure_core_dpll);
|
2009-07-25 09:43:25 +08:00
|
|
|
return _omap3_sram_configure_core_dpll(
|
|
|
|
m2, unlock_dll, f, inc,
|
|
|
|
sdrc_rfr_ctrl_0, sdrc_actim_ctrl_a_0,
|
|
|
|
sdrc_actim_ctrl_b_0, sdrc_mr_0,
|
|
|
|
sdrc_rfr_ctrl_1, sdrc_actim_ctrl_a_1,
|
|
|
|
sdrc_actim_ctrl_b_1, sdrc_mr_1);
|
2008-07-03 17:24:38 +08:00
|
|
|
}
|
2005-11-10 22:26:50 +08:00
|
|
|
|
2008-09-26 20:19:14 +08:00
|
|
|
#ifdef CONFIG_PM
|
|
|
|
void omap3_sram_restore_context(void)
|
2005-11-10 22:26:50 +08:00
|
|
|
{
|
2008-07-03 17:24:38 +08:00
|
|
|
omap_sram_ceil = omap_sram_base + omap_sram_size;
|
2005-11-10 22:26:50 +08:00
|
|
|
|
2008-10-09 22:51:41 +08:00
|
|
|
_omap3_sram_configure_core_dpll =
|
|
|
|
omap_sram_push(omap3_sram_configure_core_dpll,
|
|
|
|
omap3_sram_configure_core_dpll_sz);
|
2008-09-26 20:19:14 +08:00
|
|
|
omap_push_sram_idle();
|
2008-07-03 17:24:38 +08:00
|
|
|
}
|
2008-09-26 20:19:14 +08:00
|
|
|
#endif /* CONFIG_PM */
|
2008-07-03 17:24:38 +08:00
|
|
|
|
2010-10-09 01:00:19 +08:00
|
|
|
static int __init omap34xx_sram_init(void)
|
2008-07-03 17:24:38 +08:00
|
|
|
{
|
2008-10-09 22:51:41 +08:00
|
|
|
_omap3_sram_configure_core_dpll =
|
|
|
|
omap_sram_push(omap3_sram_configure_core_dpll,
|
|
|
|
omap3_sram_configure_core_dpll_sz);
|
2008-09-26 20:19:14 +08:00
|
|
|
omap_push_sram_idle();
|
2005-11-10 22:26:50 +08:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
#else
|
2008-07-03 17:24:38 +08:00
|
|
|
static inline int omap34xx_sram_init(void)
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|
2005-11-10 22:26:50 +08:00
|
|
|
#endif
|
|
|
|
|
|
|
|
int __init omap_sram_init(void)
|
|
|
|
{
|
|
|
|
omap_detect_sram();
|
|
|
|
omap_map_sram();
|
|
|
|
|
2008-07-03 17:24:38 +08:00
|
|
|
if (!(cpu_class_is_omap2()))
|
2005-11-10 22:26:50 +08:00
|
|
|
omap1_sram_init();
|
2008-07-03 17:24:38 +08:00
|
|
|
else if (cpu_is_omap242x())
|
|
|
|
omap242x_sram_init();
|
|
|
|
else if (cpu_is_omap2430())
|
|
|
|
omap243x_sram_init();
|
|
|
|
else if (cpu_is_omap34xx())
|
|
|
|
omap34xx_sram_init();
|
2005-11-10 22:26:50 +08:00
|
|
|
|
|
|
|
return 0;
|
2005-09-08 00:20:26 +08:00
|
|
|
}
|