ARM platforms: Allow board specific definition of SP stack base
The SGI platforms need to allocate memory for CPER buffers. These platform buffers would be placed between the shared reserved memory and the per cpu stack memory, thus the need to redefine stack base pointer for these platforms. This patch allows each board in ARM platform to define the PLAT_SP_IMAGE_STACK_BASE. Change-Id: Ib5465448b860ab7ab0f645f7cb278a67acce7be9 Signed-off-by: Sughosh Ganu <sughosh.ganu@arm.com>
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@ -72,12 +72,11 @@
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/*
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* RW memory, which uses the remaining Trusted DRAM. Placed after the memory
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* shared between Secure and Non-secure worlds. First there is the stack memory
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* for all CPUs and then there is the common heap memory. Both are mapped with
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* RW permissions.
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* shared between Secure and Non-secure worlds, or after the platform specific
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* buffers, if defined. First there is the stack memory for all CPUs and then
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* there is the common heap memory. Both are mapped with RW permissions.
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*/
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#define PLAT_SP_IMAGE_STACK_BASE (ARM_SP_IMAGE_NS_BUF_BASE + \
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ARM_SP_IMAGE_NS_BUF_SIZE)
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#define PLAT_SP_IMAGE_STACK_BASE PLAT_ARM_SP_IMAGE_STACK_BASE
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#define PLAT_SP_IMAGE_STACK_PCPU_SIZE ULL(0x2000)
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#define ARM_SP_IMAGE_STACK_TOTAL_SIZE (PLATFORM_CORE_COUNT * \
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PLAT_SP_IMAGE_STACK_PCPU_SIZE)
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@ -163,4 +163,7 @@
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#define PLAT_ARM_PRIVATE_SDEI_EVENTS ARM_SDEI_PRIVATE_EVENTS
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#define PLAT_ARM_SHARED_SDEI_EVENTS ARM_SDEI_SHARED_EVENTS
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#define PLAT_ARM_SP_IMAGE_STACK_BASE (ARM_SP_IMAGE_NS_BUF_BASE + \
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ARM_SP_IMAGE_NS_BUF_SIZE)
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#endif /* __PLATFORM_DEF_H__ */
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@ -86,6 +86,18 @@
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#define PLAT_ARM_GICC_BASE 0x2C000000
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#define PLAT_ARM_GICR_BASE 0x300C0000
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#if RAS_EXTENSION
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/* Allocate 128KB for CPER buffers */
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#define PLAT_SP_BUF_BASE ULL(0x20000)
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#define PLAT_ARM_SP_IMAGE_STACK_BASE (ARM_SP_IMAGE_NS_BUF_BASE + \
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ARM_SP_IMAGE_NS_BUF_SIZE + \
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PLAT_SP_BUF_BASE)
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#else
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#define PLAT_ARM_SP_IMAGE_STACK_BASE (ARM_SP_IMAGE_NS_BUF_BASE + \
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ARM_SP_IMAGE_NS_BUF_SIZE)
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#endif /* RAS_EXTENSION */
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/* Platform ID address */
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#define SSC_VERSION (SSC_REG_BASE + SSC_VERSION_OFFSET)
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#ifndef __ASSEMBLY__
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