From 70d92b9465b1edf646b25b89f1442f7107b5f1f6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ky=C3=B6sti=20M=C3=A4lkki?= Date: Wed, 19 Apr 2017 19:57:01 +0300 Subject: CBMEM: Clarify CBMEM_TOP_BACKUP function usage MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The deprecated LATE_CBMEM_INIT function is renamed: set_top_of_ram -> set_late_cbmem_top Obscure term top_of_ram is replaced: backup_top_of_ram -> backup_top_of_low_cacheable get_top_of_ram -> restore_top_of_low_cacheable New function that always resolves to CBMEM top boundary, with or without SMM, is named restore_cbmem_top(). Change-Id: I61d20f94840ad61e9fd55976e5aa8c27040b8fb7 Signed-off-by: Kyösti Mälkki Reviewed-on: https://review.coreboot.org/19377 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin Reviewed-by: Philippe Mathieu-Daudé --- src/southbridge/amd/sb700/early_setup.c | 6 ++---- src/southbridge/amd/sb700/lpc.c | 2 +- 2 files changed, 3 insertions(+), 5 deletions(-) (limited to 'src/southbridge/amd/sb700') diff --git a/src/southbridge/amd/sb700/early_setup.c b/src/southbridge/amd/sb700/early_setup.c index f20c1e1dfd..3ed4cac8a1 100644 --- a/src/southbridge/amd/sb700/early_setup.c +++ b/src/southbridge/amd/sb700/early_setup.c @@ -860,8 +860,7 @@ void set_lpc_sticky_ctl(bool enable) pmio_write(0xbb, byte); } -#if IS_ENABLED(CONFIG_LATE_CBMEM_INIT) -unsigned long get_top_of_ram(void) +uintptr_t restore_top_of_low_cacheable(void) { uint32_t xdata = 0; int xnvram_pos = 0xfc, xi; @@ -873,8 +872,7 @@ unsigned long get_top_of_ram(void) xdata |= inb(BIOSRAM_DATA) << (xi *8); xnvram_pos++; } - return (unsigned long) xdata; + return xdata; } -#endif #endif diff --git a/src/southbridge/amd/sb700/lpc.c b/src/southbridge/amd/sb700/lpc.c index 8270f8a450..fda30b8687 100644 --- a/src/southbridge/amd/sb700/lpc.c +++ b/src/southbridge/amd/sb700/lpc.c @@ -89,7 +89,7 @@ int acpi_get_sleep_type(void) return ((tmp & (7 << 10)) >> 10); } -void backup_top_of_ram(uint64_t ramtop) +void backup_top_of_low_cacheable(uintptr_t ramtop) { u32 dword = (u32) ramtop; int nvram_pos = 0xfc, i; -- cgit v1.2.3