LXR linux/arch/mips/ath25/devices.c

   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
  13struct ar231x_board_config ath25_board;
  14enum ath25_soc_type ath25_soc = ATH25_SOC_UNKNOWN;
  15
  16static 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
  27static 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
  38static 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
  55static 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
  66const 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
  74void __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
  92int __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
 106static 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
 116device_initcall(ath25_register_devices);
 117
 118static 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
 128arch_initcall(ath25_arch_init);
 129