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Subject[PATCH v5 01/22] sh: Add sh-specific early_init_dt_reserve_memory_arch
Date
sh used P1 address space in early device tree.
So need convert P1 to physical address before reserve memory.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
---
arch/sh/boards/of-generic.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/arch/sh/boards/of-generic.c b/arch/sh/boards/of-generic.c
index 57d45dc..8dbf978 100644
--- a/arch/sh/boards/of-generic.c
+++ b/arch/sh/boards/of-generic.c
@@ -15,6 +15,7 @@
#include <linux/clocksource.h>
#include <linux/irqchip.h>
#include <linux/clk-provider.h>
+#include <linux/memblock.h>
#include <asm/machvec.h>
#include <asm/rtc.h>

@@ -203,3 +204,14 @@ static int __init sh_of_device_init(void)
return 0;
}
arch_initcall_sync(sh_of_device_init);
+
+int __init early_init_dt_reserve_memory_arch(phys_addr_t base,
+ phys_addr_t size, bool nomap)
+{
+ if (nomap)
+ return memblock_remove(base, size);
+
+ if (base >= P1SEG)
+ base &= ~P1SEG;
+ return memblock_reserve(base, size);
+}
--
2.7.0
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