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 #include <linux/clk.h>
  16 #include <linux/compiler.h>
  17 #include <linux/types.h>
  18 #include <linux/reboot.h>
  19
  20 #include <asm/irq.h>
  21
  22 #define DAVINCI_INTC_START              NR_IRQS
  23 #define DAVINCI_INTC_IRQ(_irqnum)       (DAVINCI_INTC_START + (_irqnum))
  24
  25 struct davinci_gpio_controller;
  26
  27 /*
  28  * SoC info passed into common davinci modules.
  29  *
  30  * Base addresses in this structure should be physical and not virtual.
  31  * Modules that take such base addresses, should internally ioremap() them to
  32  * use.
  33  */
  34 struct davinci_soc_info {
  35         struct map_desc                 *io_desc;
  36         unsigned long                   io_desc_num;
  37         u32                             cpu_id;
  38         u32                             jtag_id;
  39         u32                             jtag_id_reg;
  40         struct davinci_id               *ids;
  41         unsigned long                   ids_num;
  42         u32                             pinmux_base;
  43         const struct mux_config         *pinmux_pins;
  44         unsigned long                   pinmux_pins_num;
  45         int                             gpio_type;
  46         u32                             gpio_base;
  47         unsigned                        gpio_num;
  48         unsigned                        gpio_irq;
  49         unsigned                        gpio_unbanked;
  50         struct davinci_gpio_controller  *gpio_ctlrs;
  51         int                             gpio_ctlrs_num;
  52         struct emac_platform_data       *emac_pdata;
  53         dma_addr_t                      sram_dma;
  54         unsigned                        sram_len;
  55 };
  56
  57 extern struct davinci_soc_info davinci_soc_info;
  58
  59 extern void davinci_common_init(const struct davinci_soc_info *soc_info);
  60 extern void davinci_init_ide(void);
  61 void davinci_init_late(void);
  62
  63 #ifdef CONFIG_CPU_FREQ
  64 int davinci_cpufreq_init(void);
  65 #else
  66 static inline int davinci_cpufreq_init(void) { return 0; }
  67 #endif
  68
  69 #ifdef CONFIG_SUSPEND
  70 int davinci_pm_init(void);
  71 #else
  72 static inline int davinci_pm_init(void) { return 0; }
  73 #endif
  74
  75 void __init pdata_quirks_init(void);
  76
  77 #define SRAM_SIZE       SZ_128K
  78
  79 #endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */