projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 89164940 YY |
1 | /* |
| 2 | * NEC VR4100 series SIU platform device. | |
| 3 | * | |
| ada8e951 | 4 | * Copyright (C) 2007-2008 Yoichi Yuasa <yuasa@linux-mips.org> |
| 89164940 YY |
5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License as published by | |
| 8 | * the Free Software Foundation; either version 2 of the License, or | |
| 9 | * (at your option) any later version. | |
| 10 | * | |
| 11 | * This program is distributed in the hope that it will be useful, | |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | * GNU General Public License for more details. | |
| 15 | * | |
| 16 | * You should have received a copy of the GNU General Public License | |
| 17 | * along with this program; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
| 19 | */ | |
| 20 | #include <linux/errno.h> | |
| 21 | #include <linux/init.h> | |
| 22 | #include <linux/ioport.h> | |
| 23 | #include <linux/platform_device.h> | |
| 24 | #include <linux/serial_core.h> | |
| 25 | ||
| 26 | #include <asm/cpu.h> | |
| 27 | #include <asm/vr41xx/siu.h> | |
| 28 | ||
| 29 | static unsigned int siu_type1_ports[SIU_PORTS_MAX] __initdata = { | |
| 30 | PORT_VR41XX_SIU, | |
| 31 | PORT_UNKNOWN, | |
| 32 | }; | |
| 33 | ||
| 34 | static struct resource siu_type1_resource[] __initdata = { | |
| 35 | { | |
| 36 | .start = 0x0c000000, | |
| 37 | .end = 0x0c00000a, | |
| 38 | .flags = IORESOURCE_MEM, | |
| 39 | }, | |
| 40 | { | |
| 41 | .start = SIU_IRQ, | |
| 42 | .end = SIU_IRQ, | |
| 43 | .flags = IORESOURCE_IRQ, | |
| 44 | }, | |
| 45 | }; | |
| 46 | ||
| 47 | static unsigned int siu_type2_ports[SIU_PORTS_MAX] __initdata = { | |
| 48 | PORT_VR41XX_SIU, | |
| 49 | PORT_VR41XX_DSIU, | |
| 50 | }; | |
| 51 | ||
| 52 | static struct resource siu_type2_resource[] __initdata = { | |
| 53 | { | |
| 54 | .start = 0x0f000800, | |
| 55 | .end = 0x0f00080a, | |
| 56 | .flags = IORESOURCE_MEM, | |
| 57 | }, | |
| 58 | { | |
| 59 | .start = 0x0f000820, | |
| 60 | .end = 0x0f000829, | |
| 61 | .flags = IORESOURCE_MEM, | |
| 62 | }, | |
| 63 | { | |
| 64 | .start = SIU_IRQ, | |
| 65 | .end = SIU_IRQ, | |
| 66 | .flags = IORESOURCE_IRQ, | |
| 67 | }, | |
| 68 | { | |
| 69 | .start = DSIU_IRQ, | |
| 70 | .end = DSIU_IRQ, | |
| 71 | .flags = IORESOURCE_IRQ, | |
| 72 | }, | |
| 73 | }; | |
| 74 | ||
| 75 | static int __init vr41xx_siu_add(void) | |
| 76 | { | |
| 77 | struct platform_device *pdev; | |
| 78 | struct resource *res; | |
| 79 | unsigned int num; | |
| 80 | int retval; | |
| 81 | ||
| 82 | pdev = platform_device_alloc("SIU", -1); | |
| 83 | if (!pdev) | |
| 84 | return -ENOMEM; | |
| 85 | ||
| 10cc3529 | 86 | switch (current_cpu_type()) { |
| 89164940 YY |
87 | case CPU_VR4111: |
| 88 | case CPU_VR4121: | |
| 89 | pdev->dev.platform_data = siu_type1_ports; | |
| 90 | res = siu_type1_resource; | |
| 91 | num = ARRAY_SIZE(siu_type1_resource); | |
| 92 | break; | |
| 93 | case CPU_VR4122: | |
| 94 | case CPU_VR4131: | |
| 95 | case CPU_VR4133: | |
| 96 | pdev->dev.platform_data = siu_type2_ports; | |
| 97 | res = siu_type2_resource; | |
| 98 | num = ARRAY_SIZE(siu_type2_resource); | |
| 99 | break; | |
| 100 | default: | |
| 101 | retval = -ENODEV; | |
| 102 | goto err_free_device; | |
| 103 | } | |
| 104 | ||
| 105 | retval = platform_device_add_resources(pdev, res, num); | |
| 106 | if (retval) | |
| 107 | goto err_free_device; | |
| 108 | ||
| 109 | retval = platform_device_add(pdev); | |
| 110 | if (retval) | |
| 111 | goto err_free_device; | |
| 112 | ||
| 113 | return 0; | |
| 114 | ||
| 115 | err_free_device: | |
| 116 | platform_device_put(pdev); | |
| 117 | ||
| 118 | return retval; | |
| 119 | } | |
| 120 | device_initcall(vr41xx_siu_add); | |
| fc3f341b YY |
121 | |
| 122 | void __init vr41xx_siu_setup(void) | |
| 123 | { | |
| 124 | struct uart_port port; | |
| 125 | struct resource *res; | |
| 126 | unsigned int *type; | |
| 127 | int i; | |
| 128 | ||
| 129 | switch (current_cpu_type()) { | |
| 130 | case CPU_VR4111: | |
| 131 | case CPU_VR4121: | |
| 132 | type = siu_type1_ports; | |
| 133 | res = siu_type1_resource; | |
| 134 | break; | |
| 135 | case CPU_VR4122: | |
| 136 | case CPU_VR4131: | |
| 137 | case CPU_VR4133: | |
| 138 | type = siu_type2_ports; | |
| 139 | res = siu_type2_resource; | |
| 140 | break; | |
| 141 | default: | |
| 142 | return; | |
| 143 | } | |
| 144 | ||
| 145 | for (i = 0; i < SIU_PORTS_MAX; i++) { | |
| 146 | port.line = i; | |
| 147 | port.type = type[i]; | |
| 148 | if (port.type == PORT_UNKNOWN) | |
| 149 | break; | |
| 150 | port.mapbase = res[i].start; | |
| 151 | port.membase = (unsigned char __iomem *)KSEG1ADDR(res[i].start); | |
| 152 | vr41xx_siu_early_setup(&port); | |
| 153 | } | |
| 154 | } |