diff options
| author | Hung-Te Lin <hungte@chromium.org> | 2013-08-06 20:37:55 +0800 |
|---|---|---|
| committer | Isaac Christensen <isaac.christensen@se-eng.com> | 2014-07-31 18:31:53 +0200 |
| commit | 0682cfefdb888807bef6ee7f3bb81615282e0390 (patch) | |
| tree | ebf77bbb06c2c326d0aa3ab7e0390069d8118cb5 /src/cpu/samsung/exynos5420/Kconfig | |
| parent | c3fda416a7e71eae4803c07f0fae4b0b931d1ca8 (diff) | |
| download | coreboot-0682cfefdb888807bef6ee7f3bb81615282e0390.tar.xz | |
armv7/exynos5420: Configure CPU cores for kernel to enable SMP.
The SMP on Exynos 5420 requires setting a special page and entry wrappers in
firmware side (SRAM) so kernel can start cores (and to switch clusters).
Change-Id: I77ca98bb6cff5b13e95dd29228e4536302f0aee9
Signed-off-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/64770
Reviewed-by: Ronald G. Minnich <rminnich@chromium.org>
(cherry picked from commit 4a11c7ab78cc0811df0f88763b0af8b9f24e5433)
Signed-off-by: Isaac Christensen <isaac.christensen@se-eng.com>
Reviewed-on: http://review.coreboot.org/6405
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Diffstat (limited to 'src/cpu/samsung/exynos5420/Kconfig')
| -rw-r--r-- | src/cpu/samsung/exynos5420/Kconfig | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/cpu/samsung/exynos5420/Kconfig b/src/cpu/samsung/exynos5420/Kconfig index d7adf6cfde..606604091b 100644 --- a/src/cpu/samsung/exynos5420/Kconfig +++ b/src/cpu/samsung/exynos5420/Kconfig @@ -46,6 +46,11 @@ config CBFS_ROM_OFFSET # 0x0202_4400: variable length bootblock checksum header. # 0x0202_4410: bootblock, assume up to 32KB in size # 0x0203_0000: romstage, assume up to 128KB in size. +# 0x0206_0000: cache for CBFS data. +# 0x0207_3000: shared (with kernel) page for cpu & secondary core states. +# the shared data is currently only <0x50 bytes so we can share +# this page with stack. +# 0x0207_3100: stack bottom # 0x0207_4000: stack pointer config BOOTBLOCK_BASE @@ -71,11 +76,11 @@ config STACK_TOP config STACK_BOTTOM hex - default 0x02073000 + default 0x02073100 config STACK_SIZE hex - default 0x1000 + default 0x0f00 # TODO We may probably move this to board-specific implementation files instead # of KConfig values. |