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author | Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> | 2007-10-11 22:54:13 +0900 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2007-10-11 23:46:19 +0100 |
commit | 2c4d13570d8e512cca65d159502622e1666ad4bd (patch) | |
tree | 29498acd98392dacd7ac9f0c6a8d1a039e08935b /arch/mips/gt64120/wrppmc/serial.c | |
parent | 572afc248c33c902760f6f24a72c180f0e4f1719 (diff) | |
download | kernel_samsung_espresso10-2c4d13570d8e512cca65d159502622e1666ad4bd.zip kernel_samsung_espresso10-2c4d13570d8e512cca65d159502622e1666ad4bd.tar.gz kernel_samsung_espresso10-2c4d13570d8e512cca65d159502622e1666ad4bd.tar.bz2 |
[MIPS] WRPPMC serial support move to platform device
Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/gt64120/wrppmc/serial.c')
-rw-r--r-- | arch/mips/gt64120/wrppmc/serial.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/mips/gt64120/wrppmc/serial.c b/arch/mips/gt64120/wrppmc/serial.c new file mode 100644 index 0000000..5ec1c2f --- /dev/null +++ b/arch/mips/gt64120/wrppmc/serial.c @@ -0,0 +1,80 @@ +/* + * Registration of WRPPMC UART platform device. + * + * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ +#include <linux/errno.h> +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> + +#include <asm/gt64120.h> + +static struct resource wrppmc_uart_resource[] __initdata = { + { + .start = WRPPMC_UART16550_BASE, + .end = WRPPMC_UART16550_BASE + 7, + .flags = IORESOURCE_MEM, + }, + { + .start = WRPPMC_UART16550_IRQ, + .end = WRPPMC_UART16550_IRQ, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct plat_serial8250_port wrppmc_serial8250_port[] = { + { + .irq = WRPPMC_UART16550_IRQ, + .uartclk = WRPPMC_UART16550_CLOCK, + .iotype = UPIO_MEM, + .flags = UPF_IOREMAP | UPF_SKIP_TEST, + .mapbase = WRPPMC_UART16550_BASE, + }, + {}, +}; + +static __init int wrppmc_uart_add(void) +{ + struct platform_device *pdev; + int retval; + + pdev = platform_device_alloc("serial8250", -1); + if (!pdev) + return -ENOMEM; + + pdev->id = PLAT8250_DEV_PLATFORM; + pdev->dev.platform_data = wrppmc_serial8250_port; + + retval = platform_device_add_resources(pdev, wrppmc_uart_resource, + ARRAY_SIZE(wrppmc_uart_resource)); + if (retval) + goto err_free_device; + + retval = platform_device_add(pdev); + if (retval) + goto err_free_device; + + return 0; + +err_free_device: + platform_device_put(pdev); + + return retval; +} +device_initcall(wrppmc_uart_add); |