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[PATCH v2 01/17] sh: Add sh-specific early_init_dt_reserve_memory_arch

From Yoshinori Sato <ysato@users.sourceforge.jp>
Newsgroups linux.kernel
Subject [PATCH v2 01/17] sh: Add sh-specific early_init_dt_reserve_memory_arch
Date 2016-06-12 09:00 +0200
Message-ID <rJ7xg-5js-37@gated-at.bofh.it> (permalink)
References <rJ7xf-5js-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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..fe2d917 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 = base & ~P1SEG;
+	return memblock_reserve(base, size);
+}
-- 
2.7.0

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Thread

[PATCH v2 00/17] sh: LANDISK convert to device tree Yoshinori Sato <ysato@users.sourceforge.jp> - 2016-06-12 09:00 +0200
  [PATCH v2 10/17] sh: convert generic drivers framework Yoshinori Sato <ysato@users.sourceforge.jp> - 2016-06-12 09:00 +0200
    Re: [PATCH v2 10/17] sh: convert generic drivers framework Geert Uytterhoeven <geert@linux-m68k.org> - 2016-06-13 10:10 +0200
  [PATCH v2 11/17] sh: SH7750/51 clock driver Yoshinori Sato <ysato@users.sourceforge.jp> - 2016-06-12 09:00 +0200
    Re: [PATCH v2 11/17] sh: SH7750/51 clock driver Geert Uytterhoeven <geert@linux-m68k.org> - 2016-06-13 10:20 +0200
  [PATCH v2 09/17] sh: Use GENERIC_IOMAP on device tree mode Yoshinori Sato <ysato@users.sourceforge.jp> - 2016-06-12 09:00 +0200
  [PATCH v2 14/17] sh: SH3/4 Generic IRQCHIP driever Yoshinori Sato <ysato@users.sourceforge.jp> - 2016-06-12 09:00 +0200
    [PATCH v2 14/17] sh: SH3/4 Generic IRQCHIP driever Yoshinori Sato <ysato@users.sourceforge.jp> - 2016-06-12 09:50 +0200
      Re: [PATCH v2 14/17] sh: SH3/4 Generic IRQCHIP driever Rob Herring <robh@kernel.org> - 2016-06-15 00:20 +0200
  [PATCH v2 13/17] sh: Add PCI definetion Yoshinori Sato <ysato@users.sourceforge.jp> - 2016-06-12 09:00 +0200
    Re: [PATCH v2 13/17] sh: Add PCI definetion Geert Uytterhoeven <geert@linux-m68k.org> - 2016-06-13 10:10 +0200
  [PATCH v2 01/17] sh: Add sh-specific early_init_dt_reserve_memory_arch Yoshinori Sato <ysato@users.sourceforge.jp> - 2016-06-12 09:00 +0200
    Re: [PATCH v2 01/17] sh: Add sh-specific  early_init_dt_reserve_memory_arch Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-06-12 13:30 +0200

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