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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/arm/mach-shmobile/smp-sh73a0.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-shmobile/smp-sh73a0.c')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-shmobile/smp-sh73a0.c | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-shmobile/smp-sh73a0.c b/ANDROID_3.4.5/arch/arm/mach-shmobile/smp-sh73a0.c deleted file mode 100644 index e36c41c4..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-shmobile/smp-sh73a0.c +++ /dev/null @@ -1,106 +0,0 @@ -/* - * SMP support for R-Mobile / SH-Mobile - sh73a0 portion - * - * Copyright (C) 2010 Magnus Damm - * Copyright (C) 2010 Takashi Yoshii - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * 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 St, Fifth Floor, Boston, MA 02110-1301 USA - */ -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/smp.h> -#include <linux/spinlock.h> -#include <linux/io.h> -#include <mach/common.h> -#include <asm/smp_plat.h> -#include <asm/smp_scu.h> -#include <asm/smp_twd.h> -#include <asm/hardware/gic.h> - -#define WUPCR IOMEM(0xe6151010) -#define SRESCR IOMEM(0xe6151018) -#define PSTR IOMEM(0xe6151040) -#define SBAR IOMEM(0xe6180020) -#define APARMBAREA IOMEM(0xe6f10020) - -static void __iomem *scu_base_addr(void) -{ - return (void __iomem *)0xf0000000; -} - -static DEFINE_SPINLOCK(scu_lock); -static unsigned long tmp; - -#ifdef CONFIG_HAVE_ARM_TWD -static DEFINE_TWD_LOCAL_TIMER(twd_local_timer, 0xf0000600, 29); -void __init sh73a0_register_twd(void) -{ - twd_local_timer_register(&twd_local_timer); -} -#endif - -static void modify_scu_cpu_psr(unsigned long set, unsigned long clr) -{ - void __iomem *scu_base = scu_base_addr(); - - spin_lock(&scu_lock); - tmp = __raw_readl(scu_base + 8); - tmp &= ~clr; - tmp |= set; - spin_unlock(&scu_lock); - - /* disable cache coherency after releasing the lock */ - __raw_writel(tmp, scu_base + 8); -} - -unsigned int __init sh73a0_get_core_count(void) -{ - void __iomem *scu_base = scu_base_addr(); - - return scu_get_core_count(scu_base); -} - -void __cpuinit sh73a0_secondary_init(unsigned int cpu) -{ - gic_secondary_init(0); -} - -int __cpuinit sh73a0_boot_secondary(unsigned int cpu) -{ - cpu = cpu_logical_map(cpu); - - /* enable cache coherency */ - modify_scu_cpu_psr(0, 3 << (cpu * 8)); - - if (((__raw_readl(PSTR) >> (4 * cpu)) & 3) == 3) - __raw_writel(1 << cpu, WUPCR); /* wake up */ - else - __raw_writel(1 << cpu, SRESCR); /* reset */ - - return 0; -} - -void __init sh73a0_smp_prepare_cpus(void) -{ - int cpu = cpu_logical_map(0); - - scu_enable(scu_base_addr()); - - /* Map the reset vector (in headsmp.S) */ - __raw_writel(0, APARMBAREA); /* 4k */ - __raw_writel(__pa(shmobile_secondary_vector), SBAR); - - /* enable cache coherency on CPU0 */ - modify_scu_cpu_psr(0, 3 << (cpu * 8)); -} |