diff options
author | David Hendricks <dhendrix@chromium.org> | 2013-03-28 19:04:58 -0700 |
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committer | David Hendricks <dhendrix@chromium.org> | 2013-03-29 22:24:31 +0100 |
commit | c01d1380138e807fa941976d9f102fb1b200ad01 (patch) | |
tree | e625be73581cc2c84bea28041ec7cd887ea326b0 /src/cpu/samsung/exynos5250/exynos_cache.c | |
parent | bae3f062457cf52da8e06e6abebfb99084411646 (diff) | |
download | coreboot-c01d1380138e807fa941976d9f102fb1b200ad01.tar.xz |
exynos5250: Add function for configuring L2 cache
This adds a new function to configure L2 cache for the
exynos5250 and deprecates the old function.
Change-Id: I9562f3301aa1e2911dae3856ab57bb6beec2e224
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2949
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/cpu/samsung/exynos5250/exynos_cache.c')
-rw-r--r-- | src/cpu/samsung/exynos5250/exynos_cache.c | 80 |
1 files changed, 0 insertions, 80 deletions
diff --git a/src/cpu/samsung/exynos5250/exynos_cache.c b/src/cpu/samsung/exynos5250/exynos_cache.c deleted file mode 100644 index 2cb918d357..0000000000 --- a/src/cpu/samsung/exynos5250/exynos_cache.c +++ /dev/null @@ -1,80 +0,0 @@ -/* - * Copyright (c) 2012 Samsung Electronics. - * Arun Mankuzhi <arun.m@samsung.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <system.h> - -#include <armv7.h> - -enum l2_cache_params { - CACHE_TAG_RAM_SETUP = (1<<9), - CACHE_DATA_RAM_SETUP = (1<<5), - CACHE_TAG_RAM_LATENCY = (2<<6), - CACHE_DATA_RAM_LATENCY = (2<<0) -}; - -/* - * Set L2 cache parameters - */ -static void exynos5_set_l2cache_params(void) -{ - unsigned int val = 0; - - asm volatile("mrc p15, 1, %0, c9, c0, 2\n" : "=r"(val)); - - val |= CACHE_TAG_RAM_SETUP | - CACHE_DATA_RAM_SETUP | - CACHE_TAG_RAM_LATENCY | - CACHE_DATA_RAM_LATENCY; - - asm volatile("mcr p15, 1, %0, c9, c0, 2\n" : : "r"(val)); -} - -/* - * Sets L2 cache related parameters before enabling data cache - */ -void v7_outer_cache_enable(void) -{ - exynos5_set_l2cache_params(); -} - -/* stubs so we don't need weak symbols in cache_v7.c */ -void v7_outer_cache_disable(void) -{ -} - -void v7_outer_cache_flush_all(void) -{ -} - -void v7_outer_cache_inval_all(void) -{ -} - -void v7_outer_cache_flush_range(u32 start, u32 end) -{ -} - -void v7_outer_cache_inval_range(u32 start, u32 end) -{ -} |