arch/arm/mach-davinci/common.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Header for code common to all DaVinci machines.
   4  *
   5  * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
   6  *
   7  * 2007 (c) MontaVista Software, Inc.
   8  */
   9
  10 #ifndef __ARCH_ARM_MACH_DAVINCI_COMMON_H
  11 #define __ARCH_ARM_MACH_DAVINCI_COMMON_H
  12
  13 #include <linux/clk.h>
  14 #include <linux/compiler.h>
  15 #include <linux/types.h>
  16 #include <linux/reboot.h>
  17
  18 #include <asm/irq.h>
  19
  20 #define DAVINCI_INTC_START              NR_IRQS
  21 #define DAVINCI_INTC_IRQ(_irqnum)       (DAVINCI_INTC_START + (_irqnum))
  22
  23 struct davinci_gpio_controller;
  24
  25 /*
  26  * SoC info passed into common davinci modules.
  27  *
  28  * Base addresses in this structure should be physical and not virtual.
  29  * Modules that take such base addresses, should internally ioremap() them to
  30  * use.
  31  */
  32 struct davinci_soc_info {
  33         struct map_desc                 *io_desc;
  34         unsigned long                   io_desc_num;
  35         u32                             cpu_id;
  36         u32                             jtag_id;
  37         u32                             jtag_id_reg;
  38         struct davinci_id               *ids;
  39         unsigned long                   ids_num;
  40         u32                             pinmux_base;
  41         const struct mux_config         *pinmux_pins;
  42         unsigned long                   pinmux_pins_num;
  43         int                             gpio_type;
  44         u32                             gpio_base;
  45         unsigned                        gpio_num;
  46         unsigned                        gpio_irq;
  47         unsigned                        gpio_unbanked;
  48         struct davinci_gpio_controller  *gpio_ctlrs;
  49         int                             gpio_ctlrs_num;
  50         struct emac_platform_data       *emac_pdata;
  51         dma_addr_t                      sram_dma;
  52         unsigned                        sram_len;
  53 };
  54
  55 extern struct davinci_soc_info davinci_soc_info;
  56
  57 extern void davinci_common_init(const struct davinci_soc_info *soc_info);
  58 extern void davinci_init_ide(void);
  59 void davinci_init_late(void);
  60
  61 #ifdef CONFIG_CPU_FREQ
  62 int davinci_cpufreq_init(void);
  63 #else
  64 static inline int davinci_cpufreq_init(void) { return 0; }
  65 #endif
  66
  67 #ifdef CONFIG_SUSPEND
  68 int davinci_pm_init(void);
  69 #else
  70 static inline int davinci_pm_init(void) { return 0; }
  71 #endif
  72
  73 void __init pdata_quirks_init(void);
  74
  75 #define SRAM_SIZE       SZ_128K
  76
  77 #endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */