diff options
author | Stepan Moskovchenko <stepanm@codeaurora.org> | 2010-10-15 02:19:21 (GMT) |
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committer | David Brown <davidb@codeaurora.org> | 2011-01-07 23:54:43 (GMT) |
commit | 7b181446c68768e2f3231a0885095ee41261dcde (patch) | |
tree | fa77b9dd427a410e862d84d4e6a0bc7c98861b18 /arch/arm/mach-msm/scm-boot.c | |
parent | 2a1eb58a86514037c8b59eb13a14b0e2a9cc0fb3 (diff) | |
download | linux-7b181446c68768e2f3231a0885095ee41261dcde.tar.xz |
msm: scm-boot: Support for setting cold/warm boot addresses
Add support for setting the cold boot address of core 1 and
the warm boot addresses of cores 0 and 1 using a secure
domain call.
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
Signed-off-by: David Brown <davidb@codeaurora.org>
Diffstat (limited to 'arch/arm/mach-msm/scm-boot.c')
-rw-r--r-- | arch/arm/mach-msm/scm-boot.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/scm-boot.c b/arch/arm/mach-msm/scm-boot.c new file mode 100644 index 0000000..45cee3e --- /dev/null +++ b/arch/arm/mach-msm/scm-boot.c @@ -0,0 +1,39 @@ +/* Copyright (c) 2010, Code Aurora Forum. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include <linux/module.h> +#include <linux/slab.h> + +#include "scm.h" +#include "scm-boot.h" + +/* + * Set the cold/warm boot address for one of the CPU cores. + */ +int scm_set_boot_addr(phys_addr_t addr, int flags) +{ + struct { + unsigned int flags; + phys_addr_t addr; + } cmd; + + cmd.addr = addr; + cmd.flags = flags; + return scm_call(SCM_SVC_BOOT, SCM_BOOT_ADDR, + &cmd, sizeof(cmd), NULL, 0); +} +EXPORT_SYMBOL(scm_set_boot_addr); |