xref: /linux/arch/arm/mach-davinci/common.h (revision dec1c62e91ba268ab2a6e339d4d7a59287d5eba1)
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 struct davinci_gpio_controller;
26 
27 /*
28  * SoC info passed into common davinci modules.
29  *
30  * Base addresses in this structure should be physical and not virtual.
31  * Modules that take such base addresses, should internally ioremap() them to
32  * use.
33  */
34 struct davinci_soc_info {
35 	struct map_desc			*io_desc;
36 	unsigned long			io_desc_num;
37 	u32				cpu_id;
38 	u32				jtag_id;
39 	u32				jtag_id_reg;
40 	struct davinci_id		*ids;
41 	unsigned long			ids_num;
42 	u32				pinmux_base;
43 	const struct mux_config		*pinmux_pins;
44 	unsigned long			pinmux_pins_num;
45 	int				gpio_type;
46 	u32				gpio_base;
47 	unsigned			gpio_num;
48 	unsigned			gpio_irq;
49 	unsigned			gpio_unbanked;
50 	struct davinci_gpio_controller	*gpio_ctlrs;
51 	int				gpio_ctlrs_num;
52 	struct emac_platform_data	*emac_pdata;
53 	dma_addr_t			sram_dma;
54 	unsigned			sram_len;
55 };
56 
57 extern struct davinci_soc_info davinci_soc_info;
58 
59 extern void davinci_common_init(const struct davinci_soc_info *soc_info);
60 extern void davinci_init_ide(void);
61 void davinci_init_late(void);
62 
63 #ifdef CONFIG_CPU_FREQ
64 int davinci_cpufreq_init(void);
65 #else
66 static inline int davinci_cpufreq_init(void) { return 0; }
67 #endif
68 
69 #ifdef CONFIG_SUSPEND
70 int davinci_pm_init(void);
71 #else
72 static inline int davinci_pm_init(void) { return 0; }
73 #endif
74 
75 void __init pdata_quirks_init(void);
76 
77 #define SRAM_SIZE	SZ_128K
78 
79 #endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */
80