1 /* 2 * arch/arm/mach-tegra/reset.h 3 * 4 * CPU reset dispatcher. 5 * 6 * Copyright (c) 2011, NVIDIA Corporation. 7 * 8 * This software is licensed under the terms of the GNU General Public 9 * License version 2, as published by the Free Software Foundation, and 10 * may be copied, distributed, and modified under those terms. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 */ 18 19 #ifndef __MACH_TEGRA_RESET_H 20 #define __MACH_TEGRA_RESET_H 21 22 #define TEGRA_RESET_MASK_PRESENT 0 23 #define TEGRA_RESET_MASK_LP1 1 24 #define TEGRA_RESET_MASK_LP2 2 25 #define TEGRA_RESET_STARTUP_SECONDARY 3 26 #define TEGRA_RESET_STARTUP_LP2 4 27 #define TEGRA_RESET_STARTUP_LP1 5 28 #define TEGRA_RESET_RESETTABLE_STATUS 6 29 #define TEGRA_RESET_TF_PRESENT 7 30 #define TEGRA_RESET_DATA_SIZE 8 31 32 #define RESET_DATA(x) ((TEGRA_RESET_##x)*4) 33 34 #ifndef __ASSEMBLY__ 35 36 #include "irammap.h" 37 38 extern unsigned long __tegra_cpu_reset_handler_data[TEGRA_RESET_DATA_SIZE]; 39 40 void __tegra_cpu_reset_handler_start(void); 41 void __tegra_cpu_reset_handler(void); 42 void __tegra20_cpu1_resettable_status_offset(void); 43 void __tegra_cpu_reset_handler_end(void); 44 45 #ifdef CONFIG_PM_SLEEP 46 #define tegra_cpu_lp1_mask \ 47 (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \ 48 ((u32)&__tegra_cpu_reset_handler_data[TEGRA_RESET_MASK_LP1] - \ 49 (u32)__tegra_cpu_reset_handler_start))) 50 #define tegra_cpu_lp2_mask \ 51 (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \ 52 ((u32)&__tegra_cpu_reset_handler_data[TEGRA_RESET_MASK_LP2] - \ 53 (u32)__tegra_cpu_reset_handler_start))) 54 #define tegra20_cpu1_resettable_status \ 55 (IO_ADDRESS(TEGRA_IRAM_BASE + TEGRA_IRAM_RESET_HANDLER_OFFSET + \ 56 ((u32)&__tegra_cpu_reset_handler_data[TEGRA_RESET_RESETTABLE_STATUS] - \ 57 (u32)__tegra_cpu_reset_handler_start))) 58 #endif 59 60 #define tegra_cpu_reset_handler_offset \ 61 ((u32)__tegra_cpu_reset_handler - \ 62 (u32)__tegra_cpu_reset_handler_start) 63 64 #define tegra_cpu_reset_handler_size \ 65 (__tegra_cpu_reset_handler_end - \ 66 __tegra_cpu_reset_handler_start) 67 68 void __init tegra_cpu_reset_handler_init(void); 69 70 #endif 71 #endif 72