forked from luck/tmp_suning_uos_patched
c8bc5e39ac
Simple bug fixes that were not considered important enough for inclusion into 3.3. One bug fix was originally intended for 3.3 but accidentally got missed, but is not marked stable because it should only get backported once later fixes also make it into v3.4. Signed-off-by: Arnd Bergmann <arnd@arndb.de> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUAT2pH4WCrR//JCVInAQI1XQ//ZQfueV+UjZtsF0ybzB4fjaoeKuccgHh8 /I8h0OpAA8PArc0BcSw60zFx90cTBUNXNGNyYRUlRbzmHW6Wlvnkymh1iOEvL0/r wCuTS783tqzmhtwzjGblZdVQ09OhKVr7B+cufFgaPZCMbUxnGRyXWym1rLhCy+kx B88KdF0+Iej/I1aS5Yo5l7/Chucd+epLfPMFeRoV0NPRfTjvSBicLgAKQ6h0Mn4k VQkAiYr03SztPi+nVa7TS0+dtUbd0NU/8Qg3zODH2P9e69nkn2IEYhOhUUuGRK76 /0Yl7Wuo2QanMDBGU9N4EHgHroh1fKHD8rKLIZkGp7tpV+dPmTdPcK/ef256sTlk pOrXe2Abb/QermriYC6JCWHKhH5oG7Wectp9SJC94iOxPpxjJgljj1e/p0IkfVN7 YLy8KQ4TieNJabRQPrb83W4ZFJsLoiWdFVcg/gOUttieBNiLbRyrSXcVe+8t6o+g uBWg9qSHPNbsU9k2xf+bOadurFMHfF4NkkVRg5gSKOXivGL0440ZYnqES1PFYv6i +Lgp0kPsEaMSWwDiA8BCguy3y7DBqisuSdhylWkS6P6dO96732dTBgmvYsp683zO D70bGPLZYM+CGJN5zaGT6U5WNJyCMhxuI2bab46Kd52H0NFDZXTQb2jjORJbpc9H c9LWXp9bdgM= =eLYz -----END PGP SIGNATURE----- Merge tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull "ARM: Non-critical bug fixes" from Ardn Bergmann: "Simple bug fixes that were not considered important enough for inclusion into 3.3. One bug fix was originally intended for 3.3 but accidentally got missed, but is not marked stable because it should only get backported once later fixes also make it into v3.4. Signed-off-by: Arnd Bergmann <arnd@arndb.de>" * tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (66 commits) iomux-mx25.h slew rate adjusted for LCD __LD pins ARM: davinci: DA850: move da850_register_pm to .init.text ARM: davinci: cpufreq: fix compiler warning ARM: OMAP2+: Fix build for omap4 only builds with missing include of linux/bug.h ARM: OMAP2+: Fix section warnings for hsmmc_init_one ARM: OMAP2+: Fix build issues with missing include of linux/bug.h ARM: OMAP2+: gpmc-smsc911x: only register regulator for first instance ARM: OMAP3+: PM: VP: fix integer truncation error ARM: OMAP2+: PM: fix wakeupgen warning when hotplug disabled ARM: OMAP2+: PM: fix section mismatch with omap2_init_processor_devices() ARM: OMAP2: Fix section warning for n8x0 when CONFIG_MMC_OMAP is not set ARM: OMAP2+: Fix omap24xx_io_desc warning if SoC subtypes are not selected ARM: OMAP1: Fix section mismatch for omap1_init_early() ARM: OMAP1: Fix typo in lcd_dma.c ARM: OMAP: mailbox: trivial whitespace fix ARM: OMAP: Remove definition cpu_is_omap4430() ARM: OMAP2+: included some headers twice ARM: OMAP: clock.c: included linux/debugfs.h twice ARM: OMAP: don't build hwspinlock in vain ARM: OMAP2+: ads7846_init: put gpio_pendown into pdata if it's provided ...
532 lines
12 KiB
C
532 lines
12 KiB
C
/*
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* linux/arch/arm/mach-omap2/io.c
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*
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* OMAP2 I/O mapping code
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*
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* Copyright (C) 2005 Nokia Corporation
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* Copyright (C) 2007-2009 Texas Instruments
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*
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* Author:
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* Juha Yrjola <juha.yrjola@nokia.com>
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* Syed Khasim <x0khasim@ti.com>
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*
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* Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
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*
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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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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <linux/clk.h>
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#include <asm/tlb.h>
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#include <asm/mach/map.h>
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#include <plat/sram.h>
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#include <plat/sdrc.h>
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#include <plat/serial.h>
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#include "clock2xxx.h"
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#include "clock3xxx.h"
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#include "clock44xx.h"
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#include "common.h"
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#include <plat/omap-pm.h>
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#include "voltage.h"
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#include "powerdomain.h"
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#include "clockdomain.h"
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#include <plat/omap_hwmod.h>
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#include <plat/multi.h>
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/*
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* The machine specific code may provide the extra mapping besides the
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* default mapping provided here.
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*/
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#if defined(CONFIG_SOC_OMAP2420) || defined(CONFIG_SOC_OMAP2430)
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static struct map_desc omap24xx_io_desc[] __initdata = {
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{
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.virtual = L3_24XX_VIRT,
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.pfn = __phys_to_pfn(L3_24XX_PHYS),
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.length = L3_24XX_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = L4_24XX_VIRT,
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.pfn = __phys_to_pfn(L4_24XX_PHYS),
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.length = L4_24XX_SIZE,
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.type = MT_DEVICE
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},
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};
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#ifdef CONFIG_SOC_OMAP2420
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static struct map_desc omap242x_io_desc[] __initdata = {
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{
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.virtual = DSP_MEM_2420_VIRT,
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.pfn = __phys_to_pfn(DSP_MEM_2420_PHYS),
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.length = DSP_MEM_2420_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = DSP_IPI_2420_VIRT,
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.pfn = __phys_to_pfn(DSP_IPI_2420_PHYS),
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.length = DSP_IPI_2420_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = DSP_MMU_2420_VIRT,
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.pfn = __phys_to_pfn(DSP_MMU_2420_PHYS),
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.length = DSP_MMU_2420_SIZE,
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.type = MT_DEVICE
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},
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};
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#endif
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#ifdef CONFIG_SOC_OMAP2430
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static struct map_desc omap243x_io_desc[] __initdata = {
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{
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.virtual = L4_WK_243X_VIRT,
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.pfn = __phys_to_pfn(L4_WK_243X_PHYS),
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.length = L4_WK_243X_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = OMAP243X_GPMC_VIRT,
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.pfn = __phys_to_pfn(OMAP243X_GPMC_PHYS),
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.length = OMAP243X_GPMC_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = OMAP243X_SDRC_VIRT,
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.pfn = __phys_to_pfn(OMAP243X_SDRC_PHYS),
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.length = OMAP243X_SDRC_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = OMAP243X_SMS_VIRT,
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.pfn = __phys_to_pfn(OMAP243X_SMS_PHYS),
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.length = OMAP243X_SMS_SIZE,
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.type = MT_DEVICE
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},
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};
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#endif
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#endif
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#ifdef CONFIG_ARCH_OMAP3
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static struct map_desc omap34xx_io_desc[] __initdata = {
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{
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.virtual = L3_34XX_VIRT,
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.pfn = __phys_to_pfn(L3_34XX_PHYS),
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.length = L3_34XX_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = L4_34XX_VIRT,
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.pfn = __phys_to_pfn(L4_34XX_PHYS),
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.length = L4_34XX_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = OMAP34XX_GPMC_VIRT,
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.pfn = __phys_to_pfn(OMAP34XX_GPMC_PHYS),
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.length = OMAP34XX_GPMC_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = OMAP343X_SMS_VIRT,
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.pfn = __phys_to_pfn(OMAP343X_SMS_PHYS),
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.length = OMAP343X_SMS_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = OMAP343X_SDRC_VIRT,
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.pfn = __phys_to_pfn(OMAP343X_SDRC_PHYS),
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.length = OMAP343X_SDRC_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = L4_PER_34XX_VIRT,
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.pfn = __phys_to_pfn(L4_PER_34XX_PHYS),
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.length = L4_PER_34XX_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = L4_EMU_34XX_VIRT,
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.pfn = __phys_to_pfn(L4_EMU_34XX_PHYS),
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.length = L4_EMU_34XX_SIZE,
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.type = MT_DEVICE
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},
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#if defined(CONFIG_DEBUG_LL) && \
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(defined(CONFIG_MACH_OMAP_ZOOM2) || defined(CONFIG_MACH_OMAP_ZOOM3))
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{
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.virtual = ZOOM_UART_VIRT,
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.pfn = __phys_to_pfn(ZOOM_UART_BASE),
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.length = SZ_1M,
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.type = MT_DEVICE
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},
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#endif
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};
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#endif
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#ifdef CONFIG_SOC_OMAPTI81XX
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static struct map_desc omapti81xx_io_desc[] __initdata = {
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{
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.virtual = L4_34XX_VIRT,
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.pfn = __phys_to_pfn(L4_34XX_PHYS),
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.length = L4_34XX_SIZE,
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.type = MT_DEVICE
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}
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};
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#endif
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#ifdef CONFIG_SOC_OMAPAM33XX
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static struct map_desc omapam33xx_io_desc[] __initdata = {
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{
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.virtual = L4_34XX_VIRT,
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.pfn = __phys_to_pfn(L4_34XX_PHYS),
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.length = L4_34XX_SIZE,
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.type = MT_DEVICE
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},
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{
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.virtual = L4_WK_AM33XX_VIRT,
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.pfn = __phys_to_pfn(L4_WK_AM33XX_PHYS),
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.length = L4_WK_AM33XX_SIZE,
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.type = MT_DEVICE
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}
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};
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#endif
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#ifdef CONFIG_ARCH_OMAP4
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static struct map_desc omap44xx_io_desc[] __initdata = {
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{
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.virtual = L3_44XX_VIRT,
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.pfn = __phys_to_pfn(L3_44XX_PHYS),
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.length = L3_44XX_SIZE,
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.type = MT_DEVICE,
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},
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{
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.virtual = L4_44XX_VIRT,
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.pfn = __phys_to_pfn(L4_44XX_PHYS),
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.length = L4_44XX_SIZE,
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.type = MT_DEVICE,
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},
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{
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.virtual = OMAP44XX_GPMC_VIRT,
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.pfn = __phys_to_pfn(OMAP44XX_GPMC_PHYS),
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.length = OMAP44XX_GPMC_SIZE,
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.type = MT_DEVICE,
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},
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{
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.virtual = OMAP44XX_EMIF1_VIRT,
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.pfn = __phys_to_pfn(OMAP44XX_EMIF1_PHYS),
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.length = OMAP44XX_EMIF1_SIZE,
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.type = MT_DEVICE,
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},
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{
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.virtual = OMAP44XX_EMIF2_VIRT,
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.pfn = __phys_to_pfn(OMAP44XX_EMIF2_PHYS),
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.length = OMAP44XX_EMIF2_SIZE,
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.type = MT_DEVICE,
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},
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{
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.virtual = OMAP44XX_DMM_VIRT,
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.pfn = __phys_to_pfn(OMAP44XX_DMM_PHYS),
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.length = OMAP44XX_DMM_SIZE,
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.type = MT_DEVICE,
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},
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{
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.virtual = L4_PER_44XX_VIRT,
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.pfn = __phys_to_pfn(L4_PER_44XX_PHYS),
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.length = L4_PER_44XX_SIZE,
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.type = MT_DEVICE,
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},
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{
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.virtual = L4_EMU_44XX_VIRT,
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.pfn = __phys_to_pfn(L4_EMU_44XX_PHYS),
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.length = L4_EMU_44XX_SIZE,
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.type = MT_DEVICE,
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},
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#ifdef CONFIG_OMAP4_ERRATA_I688
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{
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.virtual = OMAP4_SRAM_VA,
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.pfn = __phys_to_pfn(OMAP4_SRAM_PA),
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.length = PAGE_SIZE,
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.type = MT_MEMORY_SO,
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},
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#endif
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};
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#endif
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#ifdef CONFIG_SOC_OMAP2420
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void __init omap242x_map_common_io(void)
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{
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iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
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iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
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}
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#endif
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#ifdef CONFIG_SOC_OMAP2430
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void __init omap243x_map_common_io(void)
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{
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iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
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iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP3
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void __init omap34xx_map_common_io(void)
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{
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iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
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}
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#endif
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#ifdef CONFIG_SOC_OMAPTI81XX
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void __init omapti81xx_map_common_io(void)
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{
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iotable_init(omapti81xx_io_desc, ARRAY_SIZE(omapti81xx_io_desc));
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}
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#endif
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#ifdef CONFIG_SOC_OMAPAM33XX
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void __init omapam33xx_map_common_io(void)
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{
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iotable_init(omapam33xx_io_desc, ARRAY_SIZE(omapam33xx_io_desc));
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP4
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void __init omap44xx_map_common_io(void)
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{
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iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
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omap_barriers_init();
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}
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#endif
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/*
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* omap2_init_reprogram_sdrc - reprogram SDRC timing parameters
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*
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* Sets the CORE DPLL3 M2 divider to the same value that it's at
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* currently. This has the effect of setting the SDRC SDRAM AC timing
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* registers to the values currently defined by the kernel. Currently
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* only defined for OMAP3; will return 0 if called on OMAP2. Returns
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* -EINVAL if the dpll3_m2_ck cannot be found, 0 if called on OMAP2,
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* or passes along the return value of clk_set_rate().
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*/
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static int __init _omap2_init_reprogram_sdrc(void)
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{
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struct clk *dpll3_m2_ck;
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int v = -EINVAL;
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long rate;
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if (!cpu_is_omap34xx())
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return 0;
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dpll3_m2_ck = clk_get(NULL, "dpll3_m2_ck");
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if (IS_ERR(dpll3_m2_ck))
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return -EINVAL;
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rate = clk_get_rate(dpll3_m2_ck);
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pr_info("Reprogramming SDRC clock to %ld Hz\n", rate);
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v = clk_set_rate(dpll3_m2_ck, rate);
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if (v)
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pr_err("dpll3_m2_clk rate change failed: %d\n", v);
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clk_put(dpll3_m2_ck);
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return v;
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}
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static int _set_hwmod_postsetup_state(struct omap_hwmod *oh, void *data)
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{
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return omap_hwmod_set_postsetup_state(oh, *(u8 *)data);
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}
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static void __init omap_common_init_early(void)
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{
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omap2_check_revision();
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omap_init_consistent_dma_size();
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}
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static void __init omap_hwmod_init_postsetup(void)
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{
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u8 postsetup_state;
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/* Set the default postsetup state for all hwmods */
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#ifdef CONFIG_PM_RUNTIME
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postsetup_state = _HWMOD_STATE_IDLE;
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#else
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postsetup_state = _HWMOD_STATE_ENABLED;
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#endif
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omap_hwmod_for_each(_set_hwmod_postsetup_state, &postsetup_state);
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/*
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* Set the default postsetup state for unusual modules (like
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* MPU WDT).
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*
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* The postsetup_state is not actually used until
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* omap_hwmod_late_init(), so boards that desire full watchdog
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* coverage of kernel initialization can reprogram the
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* postsetup_state between the calls to
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* omap2_init_common_infra() and omap_sdrc_init().
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*
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* XXX ideally we could detect whether the MPU WDT was currently
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* enabled here and make this conditional
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*/
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postsetup_state = _HWMOD_STATE_DISABLED;
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omap_hwmod_for_each_by_class("wd_timer",
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_set_hwmod_postsetup_state,
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&postsetup_state);
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omap_pm_if_early_init();
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}
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#ifdef CONFIG_SOC_OMAP2420
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void __init omap2420_init_early(void)
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{
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omap2_set_globals_242x();
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omap_common_init_early();
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omap2xxx_voltagedomains_init();
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omap242x_powerdomains_init();
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omap242x_clockdomains_init();
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omap2420_hwmod_init();
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omap_hwmod_init_postsetup();
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omap2420_clk_init();
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}
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#endif
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#ifdef CONFIG_SOC_OMAP2430
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void __init omap2430_init_early(void)
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{
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omap2_set_globals_243x();
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omap_common_init_early();
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omap2xxx_voltagedomains_init();
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omap243x_powerdomains_init();
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omap243x_clockdomains_init();
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omap2430_hwmod_init();
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omap_hwmod_init_postsetup();
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omap2430_clk_init();
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}
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#endif
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/*
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* Currently only board-omap3beagle.c should call this because of the
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* same machine_id for 34xx and 36xx beagle.. Will get fixed with DT.
|
|
*/
|
|
#ifdef CONFIG_ARCH_OMAP3
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|
void __init omap3_init_early(void)
|
|
{
|
|
omap2_set_globals_3xxx();
|
|
omap_common_init_early();
|
|
omap3xxx_voltagedomains_init();
|
|
omap3xxx_powerdomains_init();
|
|
omap3xxx_clockdomains_init();
|
|
omap3xxx_hwmod_init();
|
|
omap_hwmod_init_postsetup();
|
|
omap3xxx_clk_init();
|
|
}
|
|
|
|
void __init omap3430_init_early(void)
|
|
{
|
|
omap3_init_early();
|
|
}
|
|
|
|
void __init omap35xx_init_early(void)
|
|
{
|
|
omap3_init_early();
|
|
}
|
|
|
|
void __init omap3630_init_early(void)
|
|
{
|
|
omap3_init_early();
|
|
}
|
|
|
|
void __init am35xx_init_early(void)
|
|
{
|
|
omap3_init_early();
|
|
}
|
|
|
|
void __init ti81xx_init_early(void)
|
|
{
|
|
omap2_set_globals_ti81xx();
|
|
omap_common_init_early();
|
|
omap3xxx_voltagedomains_init();
|
|
omap3xxx_powerdomains_init();
|
|
omap3xxx_clockdomains_init();
|
|
omap3xxx_hwmod_init();
|
|
omap_hwmod_init_postsetup();
|
|
omap3xxx_clk_init();
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_ARCH_OMAP4
|
|
void __init omap4430_init_early(void)
|
|
{
|
|
omap2_set_globals_443x();
|
|
omap_common_init_early();
|
|
omap44xx_voltagedomains_init();
|
|
omap44xx_powerdomains_init();
|
|
omap44xx_clockdomains_init();
|
|
omap44xx_hwmod_init();
|
|
omap_hwmod_init_postsetup();
|
|
omap4xxx_clk_init();
|
|
}
|
|
#endif
|
|
|
|
void __init omap_sdrc_init(struct omap_sdrc_params *sdrc_cs0,
|
|
struct omap_sdrc_params *sdrc_cs1)
|
|
{
|
|
omap_sram_init();
|
|
|
|
if (cpu_is_omap24xx() || omap3_has_sdrc()) {
|
|
omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
|
|
_omap2_init_reprogram_sdrc();
|
|
}
|
|
}
|
|
|
|
/*
|
|
* NOTE: Please use ioremap + __raw_read/write where possible instead of these
|
|
*/
|
|
|
|
u8 omap_readb(u32 pa)
|
|
{
|
|
return __raw_readb(OMAP2_L4_IO_ADDRESS(pa));
|
|
}
|
|
EXPORT_SYMBOL(omap_readb);
|
|
|
|
u16 omap_readw(u32 pa)
|
|
{
|
|
return __raw_readw(OMAP2_L4_IO_ADDRESS(pa));
|
|
}
|
|
EXPORT_SYMBOL(omap_readw);
|
|
|
|
u32 omap_readl(u32 pa)
|
|
{
|
|
return __raw_readl(OMAP2_L4_IO_ADDRESS(pa));
|
|
}
|
|
EXPORT_SYMBOL(omap_readl);
|
|
|
|
void omap_writeb(u8 v, u32 pa)
|
|
{
|
|
__raw_writeb(v, OMAP2_L4_IO_ADDRESS(pa));
|
|
}
|
|
EXPORT_SYMBOL(omap_writeb);
|
|
|
|
void omap_writew(u16 v, u32 pa)
|
|
{
|
|
__raw_writew(v, OMAP2_L4_IO_ADDRESS(pa));
|
|
}
|
|
EXPORT_SYMBOL(omap_writew);
|
|
|
|
void omap_writel(u32 v, u32 pa)
|
|
{
|
|
__raw_writel(v, OMAP2_L4_IO_ADDRESS(pa));
|
|
}
|
|
EXPORT_SYMBOL(omap_writel);
|