~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/arch/arm/mach-iop32x/glantank.c

Version: ~ [ linux-5.9-rc6 ] ~ [ linux-5.8.10 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.66 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.146 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.198 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.236 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.236 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * arch/arm/mach-iop32x/glantank.c
  3  *
  4  * Board support code for the GLAN Tank.
  5  *
  6  * Copyright (C) 2006, 2007 Martin Michlmayr <tbm@cyrius.com>
  7  * Copyright (C) 2006 Lennert Buytenhek <buytenh@wantstofly.org>
  8  *
  9  * This program is free software; you can redistribute it and/or modify it
 10  * under the terms of the GNU General Public License as published by the
 11  * Free Software Foundation; either version 2 of the License, or (at your
 12  * option) any later version.
 13  */
 14 
 15 #include <linux/mm.h>
 16 #include <linux/init.h>
 17 #include <linux/f75375s.h>
 18 #include <linux/kernel.h>
 19 #include <linux/pci.h>
 20 #include <linux/pm.h>
 21 #include <linux/string.h>
 22 #include <linux/serial_core.h>
 23 #include <linux/serial_8250.h>
 24 #include <linux/mtd/physmap.h>
 25 #include <linux/i2c.h>
 26 #include <linux/platform_device.h>
 27 #include <linux/io.h>
 28 #include <mach/hardware.h>
 29 #include <asm/irq.h>
 30 #include <asm/mach/arch.h>
 31 #include <asm/mach/map.h>
 32 #include <asm/mach/pci.h>
 33 #include <asm/mach/time.h>
 34 #include <asm/mach-types.h>
 35 #include <asm/page.h>
 36 #include <mach/time.h>
 37 #include "gpio-iop32x.h"
 38 
 39 /*
 40  * GLAN Tank timer tick configuration.
 41  */
 42 static void __init glantank_timer_init(void)
 43 {
 44         /* 33.333 MHz crystal.  */
 45         iop_init_time(200000000);
 46 }
 47 
 48 
 49 /*
 50  * GLAN Tank I/O.
 51  */
 52 static struct map_desc glantank_io_desc[] __initdata = {
 53         {       /* on-board devices */
 54                 .virtual        = GLANTANK_UART,
 55                 .pfn            = __phys_to_pfn(GLANTANK_UART),
 56                 .length         = 0x00100000,
 57                 .type           = MT_DEVICE
 58         },
 59 };
 60 
 61 void __init glantank_map_io(void)
 62 {
 63         iop3xx_map_io();
 64         iotable_init(glantank_io_desc, ARRAY_SIZE(glantank_io_desc));
 65 }
 66 
 67 
 68 /*
 69  * GLAN Tank PCI.
 70  */
 71 #define INTA    IRQ_IOP32X_XINT0
 72 #define INTB    IRQ_IOP32X_XINT1
 73 #define INTC    IRQ_IOP32X_XINT2
 74 #define INTD    IRQ_IOP32X_XINT3
 75 
 76 static int __init
 77 glantank_pci_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
 78 {
 79         static int pci_irq_table[][4] = {
 80                 /*
 81                  * PCI IDSEL/INTPIN->INTLINE
 82                  * A       B       C       D
 83                  */
 84                 {INTD, INTD, INTD, INTD}, /* UART (8250) */
 85                 {INTA, INTA, INTA, INTA}, /* Ethernet (E1000) */
 86                 {INTB, INTB, INTB, INTB}, /* IDE (AEC6280R) */
 87                 {INTC, INTC, INTC, INTC}, /* USB (NEC) */
 88         };
 89 
 90         BUG_ON(pin < 1 || pin > 4);
 91 
 92         return pci_irq_table[slot % 4][pin - 1];
 93 }
 94 
 95 static struct hw_pci glantank_pci __initdata = {
 96         .nr_controllers = 1,
 97         .ops            = &iop3xx_ops,
 98         .setup          = iop3xx_pci_setup,
 99         .preinit        = iop3xx_pci_preinit,
100         .map_irq        = glantank_pci_map_irq,
101 };
102 
103 static int __init glantank_pci_init(void)
104 {
105         if (machine_is_glantank())
106                 pci_common_init(&glantank_pci);
107 
108         return 0;
109 }
110 
111 subsys_initcall(glantank_pci_init);
112 
113 
114 /*
115  * GLAN Tank machine initialization.
116  */
117 static struct physmap_flash_data glantank_flash_data = {
118         .width          = 2,
119 };
120 
121 static struct resource glantank_flash_resource = {
122         .start          = 0xf0000000,
123         .end            = 0xf007ffff,
124         .flags          = IORESOURCE_MEM,
125 };
126 
127 static struct platform_device glantank_flash_device = {
128         .name           = "physmap-flash",
129         .id             = 0,
130         .dev            = {
131                 .platform_data  = &glantank_flash_data,
132         },
133         .num_resources  = 1,
134         .resource       = &glantank_flash_resource,
135 };
136 
137 static struct plat_serial8250_port glantank_serial_port[] = {
138         {
139                 .mapbase        = GLANTANK_UART,
140                 .membase        = (char *)GLANTANK_UART,
141                 .irq            = IRQ_IOP32X_XINT3,
142                 .flags          = UPF_SKIP_TEST,
143                 .iotype         = UPIO_MEM,
144                 .regshift       = 0,
145                 .uartclk        = 1843200,
146         },
147         { },
148 };
149 
150 static struct resource glantank_uart_resource = {
151         .start          = GLANTANK_UART,
152         .end            = GLANTANK_UART + 7,
153         .flags          = IORESOURCE_MEM,
154 };
155 
156 static struct platform_device glantank_serial_device = {
157         .name           = "serial8250",
158         .id             = PLAT8250_DEV_PLATFORM,
159         .dev            = {
160                 .platform_data          = glantank_serial_port,
161         },
162         .num_resources  = 1,
163         .resource       = &glantank_uart_resource,
164 };
165 
166 static struct f75375s_platform_data glantank_f75375s = {
167         .pwm            = { 255, 255 },
168         .pwm_enable     = { 0, 0 },
169 };
170 
171 static struct i2c_board_info __initdata glantank_i2c_devices[] = {
172         {
173                 I2C_BOARD_INFO("rs5c372a", 0x32),
174         },
175         {
176                 I2C_BOARD_INFO("f75375", 0x2e),
177                 .platform_data = &glantank_f75375s,
178         },
179 };
180 
181 static void glantank_power_off(void)
182 {
183         __raw_writeb(0x01, IOMEM(0xfe8d0004));
184 
185         while (1)
186                 ;
187 }
188 
189 static void __init glantank_init_machine(void)
190 {
191         register_iop32x_gpio();
192         platform_device_register(&iop3xx_i2c0_device);
193         platform_device_register(&iop3xx_i2c1_device);
194         platform_device_register(&glantank_flash_device);
195         platform_device_register(&glantank_serial_device);
196         platform_device_register(&iop3xx_dma_0_channel);
197         platform_device_register(&iop3xx_dma_1_channel);
198 
199         i2c_register_board_info(0, glantank_i2c_devices,
200                 ARRAY_SIZE(glantank_i2c_devices));
201 
202         pm_power_off = glantank_power_off;
203 }
204 
205 MACHINE_START(GLANTANK, "GLAN Tank")
206         /* Maintainer: Lennert Buytenhek <buytenh@wantstofly.org> */
207         .atag_offset    = 0x100,
208         .map_io         = glantank_map_io,
209         .init_irq       = iop32x_init_irq,
210         .init_time      = glantank_timer_init,
211         .init_machine   = glantank_init_machine,
212         .restart        = iop3xx_restart,
213 MACHINE_END
214 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp