From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Horman Date: Thu, 26 Feb 2015 06:21:07 +0000 Subject: [PATCH 10/32] ARM: shmobile: kzm9g dts: Declare the full 512 MiB of RAM Message-Id: <89ebd5459c3c43536f3dbec19216e97179647673.1424849129.git.horms+renesas@verge.net.au> List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org From: Geert Uytterhoeven Traditionally, the first 16 MiB of RAM was reserved for the RT processor. However, this is incompatible with CONFIG_AUTO_ZRELADDR=y, which requires that the start address of physical memory is a multiple of 128 MiB. As CONFIG_AUTO_ZRELADDR=y is enabled for multi-platform kernels, declare RAM to start at 0x40000000. While at it, reclaim the last 8 MiB of RAM, too, so the full 512 MiB is available. Note that kzm9g_defconfig still has CONFIG_MEMORY_START=0x41000000 and CONFIG_MEMORY_SIZE=0x1f000000, so before the advent of DT we scribbled over the last 8 MiB, too. Signed-off-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- arch/arm/boot/dts/sh73a0-kzm9g.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/sh73a0-kzm9g.dts b/arch/arm/boot/dts/sh73a0-kzm9g.dts index 27c5f42..e7dae01 100644 --- a/arch/arm/boot/dts/sh73a0-kzm9g.dts +++ b/arch/arm/boot/dts/sh73a0-kzm9g.dts @@ -21,6 +21,6 @@ memory { device_type = "memory"; - reg = <0x41000000 0x1e800000>; + reg = <0x40000000 0x20000000>; }; }; -- 2.1.4 From mboxrd@z Thu Jan 1 00:00:00 1970 From: horms+renesas@verge.net.au (Simon Horman) Date: Thu, 26 Feb 2015 15:21:07 +0900 Subject: [PATCH 10/32] ARM: shmobile: kzm9g dts: Declare the full 512 MiB of RAM In-Reply-To: References: Message-ID: <89ebd5459c3c43536f3dbec19216e97179647673.1424849129.git.horms+renesas@verge.net.au> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Geert Uytterhoeven Traditionally, the first 16 MiB of RAM was reserved for the RT processor. However, this is incompatible with CONFIG_AUTO_ZRELADDR=y, which requires that the start address of physical memory is a multiple of 128 MiB. As CONFIG_AUTO_ZRELADDR=y is enabled for multi-platform kernels, declare RAM to start at 0x40000000. While at it, reclaim the last 8 MiB of RAM, too, so the full 512 MiB is available. Note that kzm9g_defconfig still has CONFIG_MEMORY_START=0x41000000 and CONFIG_MEMORY_SIZE=0x1f000000, so before the advent of DT we scribbled over the last 8 MiB, too. Signed-off-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- arch/arm/boot/dts/sh73a0-kzm9g.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/sh73a0-kzm9g.dts b/arch/arm/boot/dts/sh73a0-kzm9g.dts index 27c5f42..e7dae01 100644 --- a/arch/arm/boot/dts/sh73a0-kzm9g.dts +++ b/arch/arm/boot/dts/sh73a0-kzm9g.dts @@ -21,6 +21,6 @@ memory { device_type = "memory"; - reg = <0x41000000 0x1e800000>; + reg = <0x40000000 0x20000000>; }; }; -- 2.1.4