root/arch/mips/ath25/devices.c

DEFINITIONS

1. get_system_type
2. ath25_serial_setup
3. ath25_add_wmac
4. ath25_register_devices
5. ath25_arch_init

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/kernel.h>
   3 #include <linux/init.h>
   4 #include <linux/serial_8250.h>
   5 #include <linux/platform_device.h>
   6 #include <asm/bootinfo.h>
   7 
   8 #include <ath25_platform.h>
   9 #include "devices.h"
  10 #include "ar5312.h"
  11 #include "ar2315.h"
  12 
  13 struct ar231x_board_config ath25_board;
  14 enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN;
  15 
  16 static struct resource ath25_wmac0_res[] = {
  17         {
  18                 .name = "wmac0_membase",
  19                 .flags = IORESOURCE_MEM,
  20         },
  21         {
  22                 .name = "wmac0_irq",
  23                 .flags = IORESOURCE_IRQ,
  24         }
  25 };
  26 
  27 static struct resource ath25_wmac1_res[] = {
  28         {
  29                 .name = "wmac1_membase",
  30                 .flags = IORESOURCE_MEM,
  31         },
  32         {
  33                 .name = "wmac1_irq",
  34                 .flags = IORESOURCE_IRQ,
  35         }
  36 };
  37 
  38 static struct platform_device ath25_wmac[] = {
  39         {
  40                 .id = 0,
  41                 .name = "ar231x-wmac",
  42                 .resource = ath25_wmac0_res,
  43                 .num_resources = ARRAY_SIZE(ath25_wmac0_res),
  44                 .dev.platform_data = &ath25_board,
  45         },
  46         {
  47                 .id = 1,
  48                 .name = "ar231x-wmac",
  49                 .resource = ath25_wmac1_res,
  50                 .num_resources = ARRAY_SIZE(ath25_wmac1_res),
  51                 .dev.platform_data = &ath25_board,
  52         },
  53 };
  54 
  55 static const char * const soc_type_strings[] = {
  56         [ATH25_SOC_AR5312] = "Atheros AR5312",
  57         [ATH25_SOC_AR2312] = "Atheros AR2312",
  58         [ATH25_SOC_AR2313] = "Atheros AR2313",
  59         [ATH25_SOC_AR2315] = "Atheros AR2315",
  60         [ATH25_SOC_AR2316] = "Atheros AR2316",
  61         [ATH25_SOC_AR2317] = "Atheros AR2317",
  62         [ATH25_SOC_AR2318] = "Atheros AR2318",
  63         [ATH25_SOC_UNKNOWN] = "Atheros (unknown)",
  64 };
  65 
  66 const char *get_system_type(void)
  67 {
  68         if ((ath25_soc >= ARRAY_SIZE(soc_type_strings)) ||
  69             !soc_type_strings[ath25_soc])
  70                 return soc_type_strings[ATH25_SOC_UNKNOWN];
  71         return soc_type_strings[ath25_soc];
  72 }
  73 
  74 void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk)
  75 {
  76 #ifdef CONFIG_SERIAL_8250_CONSOLE
  77         struct uart_port s;
  78 
  79         memset(&s, 0, sizeof(s));
  80 
  81         s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP;
  82         s.iotype = UPIO_MEM32;
  83         s.irq = irq;
  84         s.regshift = 2;
  85         s.mapbase = mapbase;
  86         s.uartclk = uartclk;
  87 
  88         early_serial_setup(&s);
  89 #endif /* CONFIG_SERIAL_8250_CONSOLE */
  90 }
  91 
  92 int __init ath25_add_wmac(int nr, u32 base, int irq)
  93 {
  94         struct resource *res;
  95 
  96         ath25_wmac[nr].dev.platform_data = &ath25_board;
  97         res = &ath25_wmac[nr].resource[0];
  98         res->start = base;
  99         res->end = base + 0x10000 - 1;
 100         res++;
 101         res->start = irq;
 102         res->end = irq;
 103         return platform_device_register(&ath25_wmac[nr]);
 104 }
 105 
 106 static int __init ath25_register_devices(void)
 107 {
 108         if (is_ar5312())
 109                 ar5312_init_devices();
 110         else
 111                 ar2315_init_devices();
 112 
 113         return 0;
 114 }
 115 
 116 device_initcall(ath25_register_devices);
 117 
 118 static int __init ath25_arch_init(void)
 119 {
 120         if (is_ar5312())
 121                 ar5312_arch_init();
 122         else
 123                 ar2315_arch_init();
 124 
 125         return 0;
 126 }
 127 
 128 arch_initcall(ath25_arch_init);