board: krypton: create memory hole for krypton
The init_very_early will do eary memory setup for the board. It's
needed when trying to carve out/reserve memory. The memory hole will be
carved out when CONFIG_MEMORY_HOLE_CARVEOUT=y
Change-Id: I8ef2b8009513e162e77e1ab2245efd0354fbac66
Signed-off-by: mengmeng <mengmeng@codeaurora.org>
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index 174a576..a8eee29 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -429,6 +429,7 @@
select GPIO_MSM_V3
select MAY_HAVE_SPARSE_IRQ
select SPARSE_IRQ
+ select MEMORY_HOLE_CARVEOUT
config ARCH_MSM8610
bool "MSM8610"
diff --git a/arch/arm/mach-msm/board-krypton.c b/arch/arm/mach-msm/board-krypton.c
index 0d06b83..e80244b 100644
--- a/arch/arm/mach-msm/board-krypton.c
+++ b/arch/arm/mach-msm/board-krypton.c
@@ -31,6 +31,22 @@
#include "clock.h"
#include "devices.h"
+static struct memtype_reserve msmkrypton_reserve_table[] __initdata = {
+ [MEMTYPE_EBI1] = {
+ .flags = MEMTYPE_FLAGS_1M_ALIGN,
+ },
+};
+
+static int msmkrypton_paddr_to_memtype(unsigned int paddr)
+{
+ return MEMTYPE_EBI1;
+}
+
+static struct reserve_info msmkrypton_reserve_info __initdata = {
+ .memtype_reserve_table = msmkrypton_reserve_table,
+ .paddr_to_memtype = msmkrypton_paddr_to_memtype,
+};
+
static struct of_dev_auxdata msmkrypton_auxdata_lookup[] __initdata = {
{}
};
@@ -47,6 +63,11 @@
msm_clock_init(&msmkrypton_clock_init_data);
}
+static void __init msmkrypton_early_memory(void)
+{
+ reserve_info = &msmkrypton_reserve_info;
+ of_scan_flat_dt(dt_scan_for_memory_hole, msmkrypton_reserve_table);
+}
static void __init msmkrypton_map_io(void)
{
msm_map_msmkrypton_io();
@@ -74,5 +95,6 @@
.handle_irq = gic_handle_irq,
.timer = &msm_dt_timer,
.dt_compat = msmkrypton_dt_match,
+ .init_very_early = msmkrypton_early_memory,
.restart = msm_restart,
MACHINE_END