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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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8a8be46afe
We need to properly initialize mpuss also on omap5 like we do on omap4.
Otherwise we run into similar kexec problems like we had on omap4 when
trying to kexec from a kernel with PM initialized.
Fixes: 0573b957fc ("ARM: OMAP4+: Prevent CPU1 related hang with kexec")
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
63 lines
2.5 KiB
C
63 lines
2.5 KiB
C
/*
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* omap4-sar-layout.h: OMAP4 SAR RAM layout header file
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*
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* Copyright (C) 2011 Texas Instruments, Inc.
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* 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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#ifndef OMAP_ARCH_OMAP4_SAR_LAYOUT_H
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#define OMAP_ARCH_OMAP4_SAR_LAYOUT_H
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/*
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* SAR BANK offsets from base address OMAP44XX/54XX_SAR_RAM_BASE
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*/
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#define SAR_BANK1_OFFSET 0x0000
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#define SAR_BANK2_OFFSET 0x1000
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#define SAR_BANK3_OFFSET 0x2000
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#define SAR_BANK4_OFFSET 0x3000
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/* Scratch pad memory offsets from SAR_BANK1 */
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#define SCU_OFFSET0 0xfe4
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#define SCU_OFFSET1 0xfe8
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#define OMAP_TYPE_OFFSET 0xfec
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#define L2X0_SAVE_OFFSET0 0xff0
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#define L2X0_SAVE_OFFSET1 0xff4
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#define L2X0_AUXCTRL_OFFSET 0xff8
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#define L2X0_PREFETCH_CTRL_OFFSET 0xffc
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/* CPUx Wakeup Non-Secure Physical Address offsets in SAR_BANK3 */
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#define CPU0_WAKEUP_NS_PA_ADDR_OFFSET 0xa04
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#define CPU1_WAKEUP_NS_PA_ADDR_OFFSET 0xa08
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#define OMAP5_CPU0_WAKEUP_NS_PA_ADDR_OFFSET 0xe00
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#define OMAP5_CPU1_WAKEUP_NS_PA_ADDR_OFFSET 0xe04
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#define SAR_BACKUP_STATUS_OFFSET (SAR_BANK3_OFFSET + 0x500)
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#define SAR_SECURE_RAM_SIZE_OFFSET (SAR_BANK3_OFFSET + 0x504)
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#define SAR_SECRAM_SAVED_AT_OFFSET (SAR_BANK3_OFFSET + 0x508)
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/* WakeUpGen save restore offset from OMAP44XX_SAR_RAM_BASE */
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#define WAKEUPGENENB_OFFSET_CPU0 (SAR_BANK3_OFFSET + 0x684)
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#define WAKEUPGENENB_SECURE_OFFSET_CPU0 (SAR_BANK3_OFFSET + 0x694)
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#define WAKEUPGENENB_OFFSET_CPU1 (SAR_BANK3_OFFSET + 0x6a4)
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#define WAKEUPGENENB_SECURE_OFFSET_CPU1 (SAR_BANK3_OFFSET + 0x6b4)
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#define AUXCOREBOOT0_OFFSET (SAR_BANK3_OFFSET + 0x6c4)
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#define AUXCOREBOOT1_OFFSET (SAR_BANK3_OFFSET + 0x6c8)
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#define PTMSYNCREQ_MASK_OFFSET (SAR_BANK3_OFFSET + 0x6cc)
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#define PTMSYNCREQ_EN_OFFSET (SAR_BANK3_OFFSET + 0x6d0)
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#define SAR_BACKUP_STATUS_WAKEUPGEN 0x10
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/* WakeUpGen save restore offset from OMAP54XX_SAR_RAM_BASE */
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#define OMAP5_WAKEUPGENENB_OFFSET_CPU0 (SAR_BANK3_OFFSET + 0x9dc)
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#define OMAP5_WAKEUPGENENB_SECURE_OFFSET_CPU0 (SAR_BANK3_OFFSET + 0x9f0)
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#define OMAP5_WAKEUPGENENB_OFFSET_CPU1 (SAR_BANK3_OFFSET + 0xa04)
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#define OMAP5_WAKEUPGENENB_SECURE_OFFSET_CPU1 (SAR_BANK3_OFFSET + 0xa18)
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#define OMAP5_AUXCOREBOOT0_OFFSET (SAR_BANK3_OFFSET + 0xa2c)
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#define OMAP5_AUXCOREBOOT1_OFFSET (SAR_BANK3_OFFSET + 0x930)
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#define OMAP5_AMBA_IF_MODE_OFFSET (SAR_BANK3_OFFSET + 0xa34)
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#define OMAP5_SAR_BACKUP_STATUS_OFFSET (SAR_BANK3_OFFSET + 0x800)
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#endif
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