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 <asm/mach-types.h>
  18 #include <asm/mach/arch.h>
  19 #include <asm/mach/map.h>
  20
  21 #include "hardware.h"
  22 #include "mux.h"
  23 #include "usb.h"
  24 #include "common.h"
  25
  26 /* assume no Mini-AB port */
  27
  28 #ifdef CONFIG_ARCH_OMAP15XX
  29 static struct omap_usb_config generic1510_usb_config __initdata = {
  30         .register_host  = 1,
  31         .register_dev   = 1,
  32         .hmc_mode       = 16,
  33         .pins[0]        = 3,
  34 };
  35 #endif
  36
  37 #if defined(CONFIG_ARCH_OMAP16XX)
  38 static struct omap_usb_config generic1610_usb_config __initdata = {
  39 #ifdef CONFIG_USB_OTG
  40         .otg            = 1,
  41 #endif
  42         .register_host  = 1,
  43         .register_dev   = 1,
  44         .hmc_mode       = 16,
  45         .pins[0]        = 6,
  46 };
  47 #endif
  48
  49 static void __init omap_generic_init(void)
  50 {
  51 #ifdef CONFIG_ARCH_OMAP15XX
  52         if (cpu_is_omap15xx()) {
  53                 /* mux pins for uarts */
  54                 omap_cfg_reg(UART1_TX);
  55                 omap_cfg_reg(UART1_RTS);
  56                 omap_cfg_reg(UART2_TX);
  57                 omap_cfg_reg(UART2_RTS);
  58                 omap_cfg_reg(UART3_TX);
  59                 omap_cfg_reg(UART3_RX);
  60
  61                 omap1_usb_init(&generic1510_usb_config);
  62         }
  63 #endif
  64 #if defined(CONFIG_ARCH_OMAP16XX)
  65         if (!cpu_is_omap1510()) {
  66                 omap1_usb_init(&generic1610_usb_config);
  67         }
  68 #endif
  69
  70         omap_serial_init();
  71         omap_register_i2c_bus(1, 100, NULL, 0);
  72 }
  73
  74 MACHINE_START(OMAP_GENERIC, "Generic OMAP1510/1610/1710")
  75         /* Maintainer: Tony Lindgren <tony@atomide.com> */
  76         .atag_offset    = 0x100,
  77         .map_io         = omap16xx_map_io,
  78         .init_early     = omap1_init_early,
  79         .init_irq       = omap1_init_irq,
  80         .handle_irq     = omap1_handle_irq,
  81         .init_machine   = omap_generic_init,
  82         .init_late      = omap1_init_late,
  83         .init_time      = omap1_timer_init,
  84         .restart        = omap1_restart,
  85 MACHINE_END