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storm: Reserve memory from 0x4000_0000-0x414f_ffff 

This marks the bottom chunk of memory, which is used by various IP
blocks, as reserved so that Depthcharge does not attempt to wipe it.

BUG=chrome-os-partner:30067
BRANCH=storm
TEST=Built and booted for storm, depthcharge shows:
Wipe memory regions:
        [0x00000041500000, 0x00000051000000)
        [0x000000510006a0, 0x00000053000000)
        [0x00000054141260, 0x0000007fffd000)

Original-Signed-off-by: David Hendricks <dhendrix@chromium.org>
Original-Change-Id: I8f782f16d13620b705e1b3fbeca21dc8705b7e77
Original-Reviewed-on: https://chromium-review.googlesource.com/206516
Original-Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
(cherry picked from commit f66f553f1594c481a74b7f40b4b1088600b1a70a)
Signed-off-by: Marc Jones <marc.jones@se-eng.com>

Change-Id: I82d118abc86052f5e32f6195a4efd04fe315be5a
Reviewed-on: http://review.coreboot.org/8149
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
David Hendricks 2014-07-02 13:50:57 -07:00 committed by Kyösti Mälkki
parent 0c0767c238
commit 2445274347
1 changed files with 8 additions and 2 deletions
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10
src/soc/qualcomm/ipq806x/soc.c
View File

@ -22,10 +22,16 @@
#include <console/console.h>
#include <device/device.h>
#define RESERVED_SIZE_KB (0x01500000 / KiB)
static void soc_read_resources(device_t dev)
{
ram_resource(dev, 0, CONFIG_SYS_SDRAM_BASE/KiB,
CONFIG_DRAM_SIZE_MB * (1 << 10));
/* Reserve bottom 0x150_0000 bytes for NSS, SMEM, etc. */
reserved_ram_resource(dev, 0,
CONFIG_SYS_SDRAM_BASE/KiB, RESERVED_SIZE_KB);
ram_resource(dev, 0, CONFIG_SYS_SDRAM_BASE/KiB + RESERVED_SIZE_KB,
(CONFIG_DRAM_SIZE_MB * KiB) - RESERVED_SIZE_KB);
}
static void soc_init(device_t dev)