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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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4c3cf90117
Otherwise we can't do generic map_io as we currently rely on static mappings that work only because of arch_ioremap. Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
157 lines
3.9 KiB
C
157 lines
3.9 KiB
C
/*
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* linux/arch/arm/mach-omap2/common.c
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*
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* Code common to all OMAP2+ machines.
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*
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* Copyright (C) 2009 Texas Instruments
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* Copyright (C) 2010 Nokia Corporation
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* Tony Lindgren <tony@atomide.com>
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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/kernel.h>
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#include <linux/init.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <plat/common.h>
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#include <plat/board.h>
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#include <plat/mux.h>
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#include <plat/clock.h>
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#include "sdrc.h"
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#include "control.h"
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/* Global address base setup code */
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#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
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static void __init __omap2_set_globals(struct omap_globals *omap2_globals)
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{
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omap2_set_globals_tap(omap2_globals);
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omap2_set_globals_sdrc(omap2_globals);
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omap2_set_globals_control(omap2_globals);
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omap2_set_globals_prcm(omap2_globals);
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}
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#endif
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#if defined(CONFIG_SOC_OMAP2420)
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static struct omap_globals omap242x_globals = {
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.class = OMAP242X_CLASS,
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.tap = OMAP2_L4_IO_ADDRESS(0x48014000),
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.sdrc = OMAP2_L3_IO_ADDRESS(OMAP2420_SDRC_BASE),
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.sms = OMAP2_L3_IO_ADDRESS(OMAP2420_SMS_BASE),
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.ctrl = OMAP2_L4_IO_ADDRESS(OMAP242X_CTRL_BASE),
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.prm = OMAP2_L4_IO_ADDRESS(OMAP2420_PRM_BASE),
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.cm = OMAP2_L4_IO_ADDRESS(OMAP2420_CM_BASE),
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};
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void __init omap2_set_globals_242x(void)
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{
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__omap2_set_globals(&omap242x_globals);
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}
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void __init omap242x_map_io(void)
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{
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omap242x_map_common_io();
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}
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#endif
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#if defined(CONFIG_SOC_OMAP2430)
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static struct omap_globals omap243x_globals = {
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.class = OMAP243X_CLASS,
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.tap = OMAP2_L4_IO_ADDRESS(0x4900a000),
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.sdrc = OMAP2_L3_IO_ADDRESS(OMAP243X_SDRC_BASE),
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.sms = OMAP2_L3_IO_ADDRESS(OMAP243X_SMS_BASE),
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.ctrl = OMAP2_L4_IO_ADDRESS(OMAP243X_CTRL_BASE),
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.prm = OMAP2_L4_IO_ADDRESS(OMAP2430_PRM_BASE),
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.cm = OMAP2_L4_IO_ADDRESS(OMAP2430_CM_BASE),
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};
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void __init omap2_set_globals_243x(void)
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{
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__omap2_set_globals(&omap243x_globals);
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}
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void __init omap243x_map_io(void)
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{
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omap243x_map_common_io();
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}
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#endif
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#if defined(CONFIG_ARCH_OMAP3)
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static struct omap_globals omap3_globals = {
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.class = OMAP343X_CLASS,
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.tap = OMAP2_L4_IO_ADDRESS(0x4830A000),
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.sdrc = OMAP2_L3_IO_ADDRESS(OMAP343X_SDRC_BASE),
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.sms = OMAP2_L3_IO_ADDRESS(OMAP343X_SMS_BASE),
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.ctrl = OMAP2_L4_IO_ADDRESS(OMAP343X_CTRL_BASE),
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.prm = OMAP2_L4_IO_ADDRESS(OMAP3430_PRM_BASE),
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.cm = OMAP2_L4_IO_ADDRESS(OMAP3430_CM_BASE),
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};
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void __init omap2_set_globals_3xxx(void)
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{
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__omap2_set_globals(&omap3_globals);
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}
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void __init omap3_map_io(void)
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{
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omap34xx_map_common_io();
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}
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/*
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* Adjust TAP register base such that omap3_check_revision accesses the correct
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* TI816X register for checking device ID (it adds 0x204 to tap base while
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* TI816X DEVICE ID register is at offset 0x600 from control base).
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*/
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#define TI816X_TAP_BASE (TI816X_CTRL_BASE + \
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TI816X_CONTROL_DEVICE_ID - 0x204)
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static struct omap_globals ti816x_globals = {
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.class = OMAP343X_CLASS,
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.tap = OMAP2_L4_IO_ADDRESS(TI816X_TAP_BASE),
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.ctrl = OMAP2_L4_IO_ADDRESS(TI816X_CTRL_BASE),
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.prm = OMAP2_L4_IO_ADDRESS(TI816X_PRCM_BASE),
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.cm = OMAP2_L4_IO_ADDRESS(TI816X_PRCM_BASE),
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};
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void __init omap2_set_globals_ti816x(void)
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{
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__omap2_set_globals(&ti816x_globals);
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}
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#endif
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#if defined(CONFIG_ARCH_OMAP4)
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static struct omap_globals omap4_globals = {
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.class = OMAP443X_CLASS,
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.tap = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
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.ctrl = OMAP2_L4_IO_ADDRESS(OMAP443X_SCM_BASE),
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.ctrl_pad = OMAP2_L4_IO_ADDRESS(OMAP443X_CTRL_BASE),
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.prm = OMAP2_L4_IO_ADDRESS(OMAP4430_PRM_BASE),
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.cm = OMAP2_L4_IO_ADDRESS(OMAP4430_CM_BASE),
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.cm2 = OMAP2_L4_IO_ADDRESS(OMAP4430_CM2_BASE),
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};
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void __init omap2_set_globals_443x(void)
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{
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omap2_set_globals_tap(&omap4_globals);
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omap2_set_globals_control(&omap4_globals);
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omap2_set_globals_prcm(&omap4_globals);
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}
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void __init omap4_map_io(void)
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{
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omap44xx_map_common_io();
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}
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#endif
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