LXR linux/arch/arm/mach-omap1/board-generic.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * linux/arch/arm/mach-omap1/board-generic.c
   4 *
   5 * Modified from board-innovator1510.c
   6 *
   7 * Code for generic OMAP board. Should work on many OMAP systems where
   8 * the device drivers take care of all the necessary hardware initialization.
   9 * Do not put any board specific code to this file; create a new machine
  10 * type if you need custom low-level initializations.
  11 */
  12#include <linux/gpio.h>
  13#include <linux/kernel.h>
  14#include <linux/init.h>
  15#include <linux/platform_device.h>
  16
  17#include <mach/hardware.h>
  18#include <asm/mach-types.h>
  19#include <asm/mach/arch.h>
  20#include <asm/mach/map.h>
  21
  22#include <mach/mux.h>
  23
  24#include <mach/usb.h>
  25
  26#include "common.h"
  27
  28/* assume no Mini-AB port */
  29
  30#ifdef CONFIG_ARCH_OMAP15XX
  31static struct omap_usb_config generic1510_usb_config __initdata = {
  32        .register_host  = 1,
  33        .register_dev   = 1,
  34        .hmc_mode       = 16,
  35        .pins[0]        = 3,
  36};
  37#endif
  38
  39#if defined(CONFIG_ARCH_OMAP16XX)
  40static struct omap_usb_config generic1610_usb_config __initdata = {
  41#ifdef CONFIG_USB_OTG
  42        .otg            = 1,
  43#endif
  44        .register_host  = 1,
  45        .register_dev   = 1,
  46        .hmc_mode       = 16,
  47        .pins[0]        = 6,
  48};
  49#endif
  50
  51static void __init omap_generic_init(void)
  52{
  53#ifdef CONFIG_ARCH_OMAP15XX
  54        if (cpu_is_omap15xx()) {
  55                /* mux pins for uarts */
  56                omap_cfg_reg(UART1_TX);
  57                omap_cfg_reg(UART1_RTS);
  58                omap_cfg_reg(UART2_TX);
  59                omap_cfg_reg(UART2_RTS);
  60                omap_cfg_reg(UART3_TX);
  61                omap_cfg_reg(UART3_RX);
  62
  63                omap1_usb_init(&generic1510_usb_config);
  64        }
  65#endif
  66#if defined(CONFIG_ARCH_OMAP16XX)
  67        if (!cpu_is_omap1510()) {
  68                omap1_usb_init(&generic1610_usb_config);
  69        }
  70#endif
  71
  72        omap_serial_init();
  73        omap_register_i2c_bus(1, 100, NULL, 0);
  74}
  75
  76MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710")
  77        /* Maintainer: Tony Lindgren <tony@atomide.com> */
  78        .atag_offset    = 0x100,
  79        .map_io         = omap16xx_map_io,
  80        .init_early     = omap1_init_early,
  81        .init_irq       = omap1_init_irq,
  82        .handle_irq     = omap1_handle_irq,
  83        .init_machine   = omap_generic_init,
  84        .init_late      = omap1_init_late,
  85        .init_time      = omap1_timer_init,
  86        .restart        = omap1_restart,
  87MACHINE_END
  88