diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-tegra/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/board.h | 6 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/common.c | 113 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/pmc.c | 9 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/pmc.h | 4 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/tegra.c | 67 |
6 files changed, 78 insertions, 122 deletions
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index e7e5f45c6558..97eb48e977e5 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -1,6 +1,5 @@ asflags-y += -march=armv7-a -obj-y += common.o obj-y += io.o obj-y += irq.o obj-y += fuse.o diff --git a/arch/arm/mach-tegra/board.h b/arch/arm/mach-tegra/board.h index db6810dc0b3d..7b9a5bddc0be 100644 --- a/arch/arm/mach-tegra/board.h +++ b/arch/arm/mach-tegra/board.h @@ -25,14 +25,8 @@ #include <linux/types.h> #include <linux/reboot.h> -void tegra_assert_system_reset(enum reboot_mode mode, const char *cmd); - -void __init tegra_init_early(void); void __init tegra_map_common_io(void); void __init tegra_init_irq(void); -void __init tegra_dt_init_irq(void); - -void tegra_init_late(void); #ifdef CONFIG_DEBUG_FS int tegra_clk_debugfs_init(void); diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c deleted file mode 100644 index 58dc91c56ccb..000000000000 --- a/arch/arm/mach-tegra/common.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * arch/arm/mach-tegra/common.c - * - * Copyright (c) 2013 NVIDIA Corporation. All rights reserved. - * Copyright (C) 2010 Google, Inc. - * - * Author: - * Colin Cross <ccross@android.com> - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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. - * - */ - -#include <linux/init.h> -#include <linux/io.h> -#include <linux/clk.h> -#include <linux/delay.h> -#include <linux/reboot.h> -#include <linux/irqchip.h> - -#include <asm/hardware/cache-l2x0.h> - -#include "board.h" -#include "common.h" -#include "cpuidle.h" -#include "fuse.h" -#include "iomap.h" -#include "irq.h" -#include "pmc.h" -#include "apbio.h" -#include "sleep.h" -#include "pm.h" -#include "reset.h" - -/* - * Storage for debug-macro.S's state. - * - * This must be in .data not .bss so that it gets initialized each time the - * kernel is loaded. The data is declared here rather than debug-macro.S so - * that multiple inclusions of debug-macro.S point at the same data. - */ -u32 tegra_uart_config[4] = { - /* Debug UART initialization required */ - 1, - /* Debug UART physical address */ - 0, - /* Debug UART virtual address */ - 0, - /* Scratch space for debug macro */ - 0, -}; - -#ifdef CONFIG_OF -void __init tegra_dt_init_irq(void) -{ - tegra_pmc_init_irq(); - tegra_init_irq(); - irqchip_init(); - tegra_legacy_irq_syscore_init(); -} -#endif - -void tegra_assert_system_reset(enum reboot_mode mode, const char *cmd) -{ - void __iomem *reset = IO_ADDRESS(TEGRA_PMC_BASE + 0); - u32 reg; - - reg = readl_relaxed(reset); - reg |= 0x10; - writel_relaxed(reg, reset); -} - -static void __init tegra_init_cache(void) -{ -#ifdef CONFIG_CACHE_L2X0 - int ret; - void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000; - u32 aux_ctrl, cache_type; - - cache_type = readl(p + L2X0_CACHE_TYPE); - aux_ctrl = (cache_type & 0x700) << (17-8); - aux_ctrl |= 0x7C400001; - - ret = l2x0_of_init(aux_ctrl, 0x8200c3fe); - if (!ret) - l2x0_saved_regs_addr = virt_to_phys(&l2x0_saved_regs); -#endif - -} - -void __init tegra_init_early(void) -{ - tegra_cpu_reset_handler_init(); - tegra_apb_io_init(); - tegra_init_fuse(); - tegra_init_cache(); - tegra_powergate_init(); - tegra_hotplug_init(); -} - -void __init tegra_init_late(void) -{ - tegra_init_suspend(); - tegra_cpuidle_init(); - tegra_powergate_debugfs_init(); -} diff --git a/arch/arm/mach-tegra/pmc.c b/arch/arm/mach-tegra/pmc.c index 7916ff91f969..93a4dbcde27e 100644 --- a/arch/arm/mach-tegra/pmc.c +++ b/arch/arm/mach-tegra/pmc.c @@ -166,6 +166,15 @@ int tegra_pmc_cpu_remove_clamping(int cpuid) return tegra_pmc_powergate_remove_clamping(id); } +void tegra_pmc_restart(enum reboot_mode mode, const char *cmd) +{ + u32 val; + + val = tegra_pmc_readl(0); + val |= 0x10; + tegra_pmc_writel(val, 0); +} + #ifdef CONFIG_PM_SLEEP static void set_power_timers(u32 us_on, u32 us_off, unsigned long rate) { diff --git a/arch/arm/mach-tegra/pmc.h b/arch/arm/mach-tegra/pmc.h index 4d5f8f32225c..59e19c344298 100644 --- a/arch/arm/mach-tegra/pmc.h +++ b/arch/arm/mach-tegra/pmc.h @@ -18,6 +18,8 @@ #ifndef __MACH_TEGRA_PMC_H #define __MACH_TEGRA_PMC_H +#include <linux/reboot.h> + enum tegra_suspend_mode { TEGRA_SUSPEND_NONE = 0, TEGRA_SUSPEND_LP2, /* CPU voltage off */ @@ -39,6 +41,8 @@ bool tegra_pmc_cpu_is_powered(int cpuid); int tegra_pmc_cpu_power_on(int cpuid); int tegra_pmc_cpu_remove_clamping(int cpuid); +void tegra_pmc_restart(enum reboot_mode mode, const char *cmd); + void tegra_pmc_init_irq(void); void tegra_pmc_init(void); diff --git a/arch/arm/mach-tegra/tegra.c b/arch/arm/mach-tegra/tegra.c index 4da271df2e6c..40b031c42299 100644 --- a/arch/arm/mach-tegra/tegra.c +++ b/arch/arm/mach-tegra/tegra.c @@ -35,17 +35,78 @@ #include <linux/usb/tegra_usb_phy.h> #include <linux/clk-provider.h> #include <linux/clk/tegra.h> +#include <linux/irqchip.h> +#include <asm/hardware/cache-l2x0.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/time.h> #include <asm/setup.h> +#include "apbio.h" #include "board.h" #include "common.h" +#include "cpuidle.h" #include "fuse.h" #include "iomap.h" +#include "irq.h" #include "pmc.h" +#include "pm.h" +#include "reset.h" +#include "sleep.h" + +/* + * Storage for debug-macro.S's state. + * + * This must be in .data not .bss so that it gets initialized each time the + * kernel is loaded. The data is declared here rather than debug-macro.S so + * that multiple inclusions of debug-macro.S point at the same data. + */ +u32 tegra_uart_config[4] = { + /* Debug UART initialization required */ + 1, + /* Debug UART physical address */ + 0, + /* Debug UART virtual address */ + 0, + /* Scratch space for debug macro */ + 0, +}; + +static void __init tegra_init_cache(void) +{ +#ifdef CONFIG_CACHE_L2X0 + int ret; + void __iomem *p = IO_ADDRESS(TEGRA_ARM_PERIF_BASE) + 0x3000; + u32 aux_ctrl, cache_type; + + cache_type = readl(p + L2X0_CACHE_TYPE); + aux_ctrl = (cache_type & 0x700) << (17-8); + aux_ctrl |= 0x7C400001; + + ret = l2x0_of_init(aux_ctrl, 0x8200c3fe); + if (!ret) + l2x0_saved_regs_addr = virt_to_phys(&l2x0_saved_regs); +#endif +} + +static void __init tegra_init_early(void) +{ + tegra_cpu_reset_handler_init(); + tegra_apb_io_init(); + tegra_init_fuse(); + tegra_init_cache(); + tegra_powergate_init(); + tegra_hotplug_init(); +} + +static void __init tegra_dt_init_irq(void) +{ + tegra_pmc_init_irq(); + tegra_init_irq(); + irqchip_init(); + tegra_legacy_irq_syscore_init(); +} static void __init tegra_dt_init(void) { @@ -107,7 +168,9 @@ static void __init tegra_dt_init_late(void) { int i; - tegra_init_late(); + tegra_init_suspend(); + tegra_cpuidle_init(); + tegra_powergate_debugfs_init(); for (i = 0; i < ARRAY_SIZE(board_init_funcs); i++) { if (of_machine_is_compatible(board_init_funcs[i].machine)) { @@ -132,6 +195,6 @@ DT_MACHINE_START(TEGRA_DT, "NVIDIA Tegra SoC (Flattened Device Tree)") .init_time = tegra_dt_init_time, .init_machine = tegra_dt_init, .init_late = tegra_dt_init_late, - .restart = tegra_assert_system_reset, + .restart = tegra_pmc_restart, .dt_compat = tegra_dt_board_compat, MACHINE_END |