arch/ppc64: Pass cbmem_top to ramstage via calling argument
This avoids the need for a platform specific implementation of cbmem_top. HOW TO TEST? There is no serial console for the qemu target... Change-Id: I68aa09a46786eba37c009c5f08642445805b08eb Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/36276 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marty E. Plummer <hanetzer@startmail.com> Reviewed-by: Nico Huber <nico.h@gmx.de> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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@ -1,5 +1,6 @@
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config ARCH_PPC64
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bool
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select RAMSTAGE_CBMEM_TOP_ARG
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config ARCH_BOOTBLOCK_PPC64
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bool
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@ -16,6 +16,6 @@
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#include <main_decl.h>
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void stage_entry(void) __attribute__((section(".text.stage_entry")));
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void stage_entry(uintptr_t stage_arg) __attribute__((section(".text.stage_entry")));
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#endif
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@ -22,9 +22,12 @@
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* linker script.
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*/
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#include <cbmem.h>
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#include <arch/stages.h>
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void stage_entry(void)
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void stage_entry(uintptr_t stage_arg)
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{
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if (!ENV_ROMSTAGE_OR_BEFORE)
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_cbmem_top_ptr = stage_arg;
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main();
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}
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@ -15,7 +15,6 @@
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bootblock-y += bootblock.c
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bootblock-y += uart.c
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romstage-y += cbmem.c
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ramstage-y += cbmem.c
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romstage-y += romstage.c
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ramstage-y += timer.c
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romstage-y += uart.c
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