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kernel/linux-rt-4.4.41/arch/mips/ath25/devices.c 2.52 KB
5113f6f70   김현기   kernel add
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  #include <linux/kernel.h>
  #include <linux/init.h>
  #include <linux/serial_8250.h>
  #include <linux/platform_device.h>
  #include <asm/bootinfo.h>
  
  #include <ath25_platform.h>
  #include "devices.h"
  #include "ar5312.h"
  #include "ar2315.h"
  
  struct ar231x_board_config ath25_board;
  enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN;
  
  static struct resource ath25_wmac0_res[] = {
  	{
  		.name = "wmac0_membase",
  		.flags = IORESOURCE_MEM,
  	},
  	{
  		.name = "wmac0_irq",
  		.flags = IORESOURCE_IRQ,
  	}
  };
  
  static struct resource ath25_wmac1_res[] = {
  	{
  		.name = "wmac1_membase",
  		.flags = IORESOURCE_MEM,
  	},
  	{
  		.name = "wmac1_irq",
  		.flags = IORESOURCE_IRQ,
  	}
  };
  
  static struct platform_device ath25_wmac[] = {
  	{
  		.id = 0,
  		.name = "ar231x-wmac",
  		.resource = ath25_wmac0_res,
  		.num_resources = ARRAY_SIZE(ath25_wmac0_res),
  		.dev.platform_data = &ath25_board,
  	},
  	{
  		.id = 1,
  		.name = "ar231x-wmac",
  		.resource = ath25_wmac1_res,
  		.num_resources = ARRAY_SIZE(ath25_wmac1_res),
  		.dev.platform_data = &ath25_board,
  	},
  };
  
  static const char * const soc_type_strings[] = {
  	[ATH25_SOC_AR5312] = "Atheros AR5312",
  	[ATH25_SOC_AR2312] = "Atheros AR2312",
  	[ATH25_SOC_AR2313] = "Atheros AR2313",
  	[ATH25_SOC_AR2315] = "Atheros AR2315",
  	[ATH25_SOC_AR2316] = "Atheros AR2316",
  	[ATH25_SOC_AR2317] = "Atheros AR2317",
  	[ATH25_SOC_AR2318] = "Atheros AR2318",
  	[ATH25_SOC_UNKNOWN] = "Atheros (unknown)",
  };
  
  const char *get_system_type(void)
  {
  	if ((ath25_soc >= ARRAY_SIZE(soc_type_strings)) ||
  	    !soc_type_strings[ath25_soc])
  		return soc_type_strings[ATH25_SOC_UNKNOWN];
  	return soc_type_strings[ath25_soc];
  }
  
  void __init ath25_serial_setup(u32 mapbase, int irq, unsigned int uartclk)
  {
  	struct uart_port s;
  
  	memset(&s, 0, sizeof(s));
  
  	s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP;
  	s.iotype = UPIO_MEM32;
  	s.irq = irq;
  	s.regshift = 2;
  	s.mapbase = mapbase;
  	s.uartclk = uartclk;
  
  	early_serial_setup(&s);
  }
  
  int __init ath25_add_wmac(int nr, u32 base, int irq)
  {
  	struct resource *res;
  
  	ath25_wmac[nr].dev.platform_data = &ath25_board;
  	res = &ath25_wmac[nr].resource[0];
  	res->start = base;
  	res->end = base + 0x10000 - 1;
  	res++;
  	res->start = irq;
  	res->end = irq;
  	return platform_device_register(&ath25_wmac[nr]);
  }
  
  static int __init ath25_register_devices(void)
  {
  	if (is_ar5312())
  		ar5312_init_devices();
  	else
  		ar2315_init_devices();
  
  	return 0;
  }
  
  device_initcall(ath25_register_devices);
  
  static int __init ath25_arch_init(void)
  {
  	if (is_ar5312())
  		ar5312_arch_init();
  	else
  		ar2315_arch_init();
  
  	return 0;
  }
  
  arch_initcall(ath25_arch_init);