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 struct uart_port s; 77 78 memset(&s, 0, sizeof(s)); 79 80 s.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP; 81 s.iotype = UPIO_MEM32; 82 s.irq = irq; 83 s.regshift = 2; 84 s.mapbase = mapbase; 85 s.uartclk = uartclk; 86 87 early_serial_setup(&s); 88 } 89 90 int __init ath25_add_wmac(int nr, u32 base, int irq) 91 { 92 struct resource *res; 93 94 ath25_wmac[nr].dev.platform_data = &ath25_board; 95 res = &ath25_wmac[nr].resource[0]; 96 res->start = base; 97 res->end = base + 0x10000 - 1; 98 res++; 99 res->start = irq; 100 res->end = irq; 101 return platform_device_register(&ath25_wmac[nr]); 102 } 103 104 static int __init ath25_register_devices(void) 105 { 106 if (is_ar5312()) 107 ar5312_init_devices(); 108 else 109 ar2315_init_devices(); 110 111 return 0; 112 } 113 114 device_initcall(ath25_register_devices); 115 116 static int __init ath25_arch_init(void) 117 { 118 if (is_ar5312()) 119 ar5312_arch_init(); 120 else 121 ar2315_arch_init(); 122 123 return 0; 124 } 125 126 arch_initcall(ath25_arch_init); 127