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