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common.h

/*
 * 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;

00026 struct davinci_timer_instance {
      u32         base;
      u32         bottom_irq;
      u32         top_irq;
      unsigned long     cmp_off;
      unsigned int      cmp_irq;
};

00034 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.
 */
00049 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;
      struct platform_device        *reset_device;
      void                    (*reset)(struct platform_device *);
};

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);

/* 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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