projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 2c4d1357 YY |
1 | /* |
| 2 | * Registration of WRPPMC UART platform device. | |
| 3 | * | |
| 70342287 | 4 | * Copyright (C) 2007 Yoichi Yuasa <[email protected]> |
| 2c4d1357 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_8250.h> | |
| 25 | ||
| 26 | #include <asm/gt64120.h> | |
| 27 | ||
| 28 | static struct resource wrppmc_uart_resource[] __initdata = { | |
| 29 | { | |
| 30 | .start = WRPPMC_UART16550_BASE, | |
| 31 | .end = WRPPMC_UART16550_BASE + 7, | |
| 32 | .flags = IORESOURCE_MEM, | |
| 33 | }, | |
| 34 | { | |
| 35 | .start = WRPPMC_UART16550_IRQ, | |
| 36 | .end = WRPPMC_UART16550_IRQ, | |
| 37 | .flags = IORESOURCE_IRQ, | |
| 38 | }, | |
| 39 | }; | |
| 40 | ||
| 41 | static struct plat_serial8250_port wrppmc_serial8250_port[] = { | |
| 42 | { | |
| 43 | .irq = WRPPMC_UART16550_IRQ, | |
| 44 | .uartclk = WRPPMC_UART16550_CLOCK, | |
| 45 | .iotype = UPIO_MEM, | |
| 46 | .flags = UPF_IOREMAP | UPF_SKIP_TEST, | |
| 47 | .mapbase = WRPPMC_UART16550_BASE, | |
| 48 | }, | |
| 49 | {}, | |
| 50 | }; | |
| 51 | ||
| 52 | static __init int wrppmc_uart_add(void) | |
| 53 | { | |
| 54 | struct platform_device *pdev; | |
| 55 | int retval; | |
| 56 | ||
| 57 | pdev = platform_device_alloc("serial8250", -1); | |
| 58 | if (!pdev) | |
| 59 | return -ENOMEM; | |
| 60 | ||
| 61 | pdev->id = PLAT8250_DEV_PLATFORM; | |
| 62 | pdev->dev.platform_data = wrppmc_serial8250_port; | |
| 63 | ||
| 64 | retval = platform_device_add_resources(pdev, wrppmc_uart_resource, | |
| 65 | ARRAY_SIZE(wrppmc_uart_resource)); | |
| 66 | if (retval) | |
| 67 | goto err_free_device; | |
| 68 | ||
| 69 | retval = platform_device_add(pdev); | |
| 70 | if (retval) | |
| 71 | goto err_free_device; | |
| 72 | ||
| 73 | return 0; | |
| 74 | ||
| 75 | err_free_device: | |
| 76 | platform_device_put(pdev); | |
| 77 | ||
| 78 | return retval; | |
| 79 | } | |
| 80 | device_initcall(wrppmc_uart_add); |