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/*
* Header for code common to all DaVinci machines.
*
* Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
*
* 2007 (c) MontaVista Software, Inc. This file is licensed under
* the terms of the GNU General Public License version 2. This program
* is licensed "as is" without any warranty of any kind, whether express
* or implied.
*/
#ifndef __ARCH_ARM_MACH_DAVINCI_COMMON_H
#define __ARCH_ARM_MACH_DAVINCI_COMMON_H
#include <linux/compiler.h>
#include <linux/types.h>
struct sys_timer;
extern struct sys_timer davinci_timer;
extern void davinci_irq_init(void);
extern void __iomem *davinci_intc_base;
extern int davinci_intc_type;
struct davinci_timer_instance {
u32 base;
u32 bottom_irq;
u32 top_irq;
unsigned long cmp_off;
unsigned int cmp_irq;
};
struct davinci_timer_info {
struct davinci_timer_instance *timers;
unsigned int clockevent_id;
unsigned int clocksource_id;
};
struct davinci_gpio_controller;
/*
* SoC info passed into common davinci modules.
*
* Base addresses in this structure should be physical and not virtual.
* Modules that take such base addresses, should internally ioremap() them to
* use.
*/
struct davinci_soc_info {
struct map_desc *io_desc;
unsigned long io_desc_num;
u32 cpu_id;
u32 jtag_id;
u32 jtag_id_reg;
struct davinci_id *ids;
unsigned long ids_num;
struct clk_lookup *cpu_clks;
u32 *psc_bases;
unsigned long psc_bases_num;
u32 pinmux_base;
const struct mux_config *pinmux_pins;
unsigned long pinmux_pins_num;
u32 intc_base;
int intc_type;
u8 *intc_irq_prios;
unsigned long intc_irq_num;
u32 *intc_host_map;
struct davinci_timer_info *timer_info;
int gpio_type;
u32 gpio_base;
unsigned gpio_num;
unsigned gpio_irq;
unsigned gpio_unbanked;
struct davinci_gpio_controller *gpio_ctlrs;
int gpio_ctlrs_num;
struct platform_device *serial_dev;
struct emac_platform_data *emac_pdata;
dma_addr_t sram_dma;
unsigned sram_len;
};
extern struct davinci_soc_info davinci_soc_info;
extern void davinci_common_init(struct davinci_soc_info *soc_info);
extern void davinci_init_ide(void);
void davinci_restart(char mode, const char *cmd);
void davinci_init_late(void);
#ifdef CONFIG_DAVINCI_RESET_CLOCKS
int davinci_clk_disable_unused(void);
#else
static inline int davinci_clk_disable_unused(void) { return 0; }
#endif
#ifdef CONFIG_CPU_FREQ
int davinci_cpufreq_init(void);
#else
static inline int davinci_cpufreq_init(void) { return 0; }
#endif
#ifdef CONFIG_SUSPEND
int davinci_pm_init(void);
#else
static inline int davinci_pm_init(void) { return 0; }
#endif
/* standard place to map on-chip SRAMs; they *may* support DMA */
#define SRAM_VIRT 0xfffe0000
#define SRAM_SIZE SZ_128K
#endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */
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