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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/arm/mach-davinci/include/mach/common.h
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/*

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 * Header for code common to all DaVinci machines.

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 *

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 * Author: Kevin Hilman, MontaVista Software, Inc. <[email protected]>

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 *

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 * 2007 (c) MontaVista Software, Inc. This file is licensed under

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 * the terms of the GNU General Public License version 2. This program

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 * is licensed "as is" without any warranty of any kind, whether express

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 * or implied.

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 */

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#ifndef __ARCH_ARM_MACH_DAVINCI_COMMON_H

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#define __ARCH_ARM_MACH_DAVINCI_COMMON_H

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#include <linux/compiler.h>

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#include <linux/types.h>

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struct sys_timer;

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extern struct sys_timer davinci_timer;

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extern void davinci_irq_init(void);

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extern void __iomem *davinci_intc_base;

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extern int davinci_intc_type;

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struct davinci_timer_instance {

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	u32		base;

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	u32		bottom_irq;

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	u32		top_irq;

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	unsigned long	cmp_off;

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	unsigned int	cmp_irq;

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};

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struct davinci_timer_info {

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	struct davinci_timer_instance	*timers;

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	unsigned int			clockevent_id;

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	unsigned int			clocksource_id;

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};

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struct davinci_gpio_controller;

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/*

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 * SoC info passed into common davinci modules.

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 *

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 * Base addresses in this structure should be physical and not virtual.

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 * Modules that take such base addresses, should internally ioremap() them to

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 * use.

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 */

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struct davinci_soc_info {

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	struct map_desc			*io_desc;

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	unsigned long			io_desc_num;

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	u32				cpu_id;

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	u32				jtag_id;

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	u32				jtag_id_reg;

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	struct davinci_id		*ids;

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	unsigned long			ids_num;

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	struct clk_lookup		*cpu_clks;

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	u32				*psc_bases;

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	unsigned long			psc_bases_num;

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	u32				pinmux_base;

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	const struct mux_config		*pinmux_pins;

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	unsigned long			pinmux_pins_num;

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	u32				intc_base;

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	int				intc_type;

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	u8				*intc_irq_prios;

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	unsigned long			intc_irq_num;

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	u32				*intc_host_map;

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	struct davinci_timer_info	*timer_info;

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	int				gpio_type;

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	u32				gpio_base;

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	unsigned			gpio_num;

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	unsigned			gpio_irq;

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	unsigned			gpio_unbanked;

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	struct davinci_gpio_controller	*gpio_ctlrs;

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	int				gpio_ctlrs_num;

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	struct platform_device		*serial_dev;

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	struct emac_platform_data	*emac_pdata;

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	dma_addr_t			sram_dma;

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	unsigned			sram_len;

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	struct platform_device		*reset_device;

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	void				(*reset)(struct platform_device *);

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};

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extern struct davinci_soc_info davinci_soc_info;

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extern void davinci_common_init(struct davinci_soc_info *soc_info);

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extern void davinci_init_ide(void);

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/* standard place to map on-chip SRAMs; they *may* support DMA */

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#define SRAM_VIRT	0xfffe0000

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#define SRAM_SIZE	SZ_128K

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#endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */

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