arch/mips/ath25/devices.c

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