arch/arm/mach-davinci/include/mach/common.h

   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 struct sys_timer;
  16
  17 extern struct sys_timer davinci_timer;
  18
  19 extern void davinci_irq_init(void);
  20 extern void __iomem *davinci_intc_base;
  21 extern int davinci_intc_type;
  22
  23 /* parameters describe VBUS sourcing for host mode */
  24 extern void setup_usb(unsigned mA, unsigned potpgt_msec);
  25
  26 /* parameters describe VBUS sourcing for host mode */
  27 extern void setup_usb(unsigned mA, unsigned potpgt_msec);
  28
  29 struct davinci_timer_instance {
  30         void __iomem    *base;
  31         u32             bottom_irq;
  32         u32             top_irq;
  33         unsigned long   cmp_off;
  34         unsigned int    cmp_irq;
  35 };
  36
  37 struct davinci_timer_info {
  38         struct davinci_timer_instance   *timers;
  39         unsigned int                    clockevent_id;
  40         unsigned int                    clocksource_id;
  41 };
  42
  43 /* SoC specific init support */
  44 struct davinci_soc_info {
  45         struct map_desc                 *io_desc;
  46         unsigned long                   io_desc_num;
  47         u32                             cpu_id;
  48         u32                             jtag_id;
  49         void __iomem                    *jtag_id_base;
  50         struct davinci_id               *ids;
  51         unsigned long                   ids_num;
  52         struct davinci_clk              *cpu_clks;
  53         void __iomem                    **psc_bases;
  54         unsigned long                   psc_bases_num;
  55         void __iomem                    *pinmux_base;
  56         const struct mux_config         *pinmux_pins;
  57         unsigned long                   pinmux_pins_num;
  58         void __iomem                    *intc_base;
  59         int                             intc_type;
  60         u8                              *intc_irq_prios;
  61         unsigned long                   intc_irq_num;
  62         struct davinci_timer_info       *timer_info;
  63         void __iomem                    *gpio_base;
  64         unsigned                        gpio_num;
  65         unsigned                        gpio_irq;
  66         unsigned                        gpio_unbanked;
  67         struct platform_device          *serial_dev;
  68         struct emac_platform_data       *emac_pdata;
  69         dma_addr_t                      sram_dma;
  70         unsigned                        sram_len;
  71 };
  72
  73 extern struct davinci_soc_info davinci_soc_info;
  74
  75 extern void davinci_common_init(struct davinci_soc_info *soc_info);
  76
  77 /* standard place to map on-chip SRAMs; they *may* support DMA */
  78 #define SRAM_VIRT       0xfffe0000
  79 #define SRAM_SIZE       SZ_128K
  80
  81 #endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */