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/compiler.h>
16#include <linux/types.h>
17#include <linux/reboot.h>
18
19extern void davinci_timer_init(void);
20
21extern void davinci_irq_init(void);
22extern void __iomem *davinci_intc_base;
23extern int davinci_intc_type;
24
25struct davinci_timer_instance {
26	u32		base;
27	u32		bottom_irq;
28	u32		top_irq;
29	unsigned long	cmp_off;
30	unsigned int	cmp_irq;
31};
32
33struct davinci_timer_info {
34	struct davinci_timer_instance	*timers;
35	unsigned int			clockevent_id;
36	unsigned int			clocksource_id;
37};
38
39struct davinci_gpio_controller;
40
41/*
42 * SoC info passed into common davinci modules.
43 *
44 * Base addresses in this structure should be physical and not virtual.
45 * Modules that take such base addresses, should internally ioremap() them to
46 * use.
47 */
48struct davinci_soc_info {
49	struct map_desc			*io_desc;
50	unsigned long			io_desc_num;
51	u32				cpu_id;
52	u32				jtag_id;
53	u32				jtag_id_reg;
54	struct davinci_id		*ids;
55	unsigned long			ids_num;
56	struct clk_lookup		*cpu_clks;
57	u32				*psc_bases;
58	unsigned long			psc_bases_num;
59	u32				pinmux_base;
60	const struct mux_config		*pinmux_pins;
61	unsigned long			pinmux_pins_num;
62	u32				intc_base;
63	int				intc_type;
64	u8				*intc_irq_prios;
65	unsigned long			intc_irq_num;
66	u32				*intc_host_map;
67	struct davinci_timer_info	*timer_info;
68	int				gpio_type;
69	u32				gpio_base;
70	unsigned			gpio_num;
71	unsigned			gpio_irq;
72	unsigned			gpio_unbanked;
73	struct davinci_gpio_controller	*gpio_ctlrs;
74	int				gpio_ctlrs_num;
75	struct emac_platform_data	*emac_pdata;
76	dma_addr_t			sram_dma;
77	unsigned			sram_len;
78};
79
80extern struct davinci_soc_info davinci_soc_info;
81
82extern void davinci_common_init(struct davinci_soc_info *soc_info);
83extern void davinci_init_ide(void);
84void davinci_restart(enum reboot_mode mode, const char *cmd);
85void davinci_init_late(void);
86
87#ifdef CONFIG_DAVINCI_RESET_CLOCKS
88int davinci_clk_disable_unused(void);
89#else
90static inline int davinci_clk_disable_unused(void) { return 0; }
91#endif
92
93#ifdef CONFIG_CPU_FREQ
94int davinci_cpufreq_init(void);
95#else
96static inline int davinci_cpufreq_init(void) { return 0; }
97#endif
98
99#ifdef CONFIG_SUSPEND
100int davinci_pm_init(void);
101#else
102static inline int davinci_pm_init(void) { return 0; }
103#endif
104
105#define SRAM_SIZE	SZ_128K
106
107#endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */
108