From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yoshinori Sato Date: Sun, 03 Jul 2016 16:46:21 +0000 Subject: [PATCH v5 01/22] sh: Add sh-specific early_init_dt_reserve_memory_arch Message-Id: <1467564402-2649-2-git-send-email-ysato@users.sourceforge.jp> List-Id: References: <1467564402-2649-1-git-send-email-ysato@users.sourceforge.jp> In-Reply-To: <1467564402-2649-1-git-send-email-ysato@users.sourceforge.jp> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-sh@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Yoshinori Sato sh used P1 address space in early device tree. So need convert P1 to physical address before reserve memory. Signed-off-by: Yoshinori Sato --- 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 #include #include +#include #include #include @@ -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