| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Header for code common to all DaVinci machines. |
| 3 | * |
| 4 | * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com> |
| 5 | * |
| 6 | * 2007 (c) MontaVista Software, Inc. This file is licensed under |
| 7 | * the terms of the GNU General Public License version 2. This program |
| 8 | * is licensed "as is" without any warranty of any kind, whether express |
| 9 | * or implied. |
| 10 | */ |
| 11 | |
| 12 | #ifndef __ARCH_ARM_MACH_DAVINCI_COMMON_H |
| 13 | #define __ARCH_ARM_MACH_DAVINCI_COMMON_H |
| 14 | |
| 15 | #include <linux/clk.h> |
| 16 | #include <linux/compiler.h> |
| 17 | #include <linux/types.h> |
| 18 | #include <linux/reboot.h> |
| 19 | |
| 20 | #include <asm/irq.h> |
| 21 | |
| 22 | #define DAVINCI_INTC_START NR_IRQS |
| 23 | #define DAVINCI_INTC_IRQ(_irqnum) (DAVINCI_INTC_START + (_irqnum)) |
| 24 | |
| 25 | void davinci_timer_init(struct clk *clk); |
| 26 | |
| 27 | struct davinci_timer_instance { |
| 28 | u32 base; |
| 29 | u32 bottom_irq; |
| 30 | u32 top_irq; |
| 31 | unsigned long cmp_off; |
| 32 | unsigned int cmp_irq; |
| 33 | }; |
| 34 | |
| 35 | struct davinci_timer_info { |
| 36 | struct davinci_timer_instance *timers; |
| 37 | unsigned int clockevent_id; |
| 38 | unsigned int clocksource_id; |
| 39 | }; |
| 40 | |
| 41 | struct davinci_gpio_controller; |
| 42 | |
| 43 | /* |
| 44 | * SoC info passed into common davinci modules. |
| 45 | * |
| 46 | * Base addresses in this structure should be physical and not virtual. |
| 47 | * Modules that take such base addresses, should internally ioremap() them to |
| 48 | * use. |
| 49 | */ |
| 50 | struct davinci_soc_info { |
| 51 | struct map_desc *io_desc; |
| 52 | unsigned long io_desc_num; |
| 53 | u32 cpu_id; |
| 54 | u32 jtag_id; |
| 55 | u32 jtag_id_reg; |
| 56 | struct davinci_id *ids; |
| 57 | unsigned long ids_num; |
| 58 | u32 pinmux_base; |
| 59 | const struct mux_config *pinmux_pins; |
| 60 | unsigned long pinmux_pins_num; |
| 61 | struct davinci_timer_info *timer_info; |
| 62 | int gpio_type; |
| 63 | u32 gpio_base; |
| 64 | unsigned gpio_num; |
| 65 | unsigned gpio_irq; |
| 66 | unsigned gpio_unbanked; |
| 67 | struct davinci_gpio_controller *gpio_ctlrs; |
| 68 | int gpio_ctlrs_num; |
| 69 | struct emac_platform_data *emac_pdata; |
| 70 | dma_addr_t sram_dma; |
| 71 | unsigned sram_len; |
| 72 | }; |
| 73 | |
| 74 | extern struct davinci_soc_info davinci_soc_info; |
| 75 | |
| 76 | extern void davinci_common_init(const struct davinci_soc_info *soc_info); |
| 77 | extern void davinci_init_ide(void); |
| 78 | void davinci_init_late(void); |
| 79 | |
| 80 | #ifdef CONFIG_CPU_FREQ |
| 81 | int davinci_cpufreq_init(void); |
| 82 | #else |
| 83 | static inline int davinci_cpufreq_init(void) { return 0; } |
| 84 | #endif |
| 85 | |
| 86 | #ifdef CONFIG_SUSPEND |
| 87 | int davinci_pm_init(void); |
| 88 | #else |
| 89 | static inline int davinci_pm_init(void) { return 0; } |
| 90 | #endif |
| 91 | |
| 92 | void __init pdata_quirks_init(void); |
| 93 | |
| 94 | #define SRAM_SIZE SZ_128K |
| 95 | |
| 96 | #endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */ |