diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/gt64120/wrppmc/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/gt64120/wrppmc/serial.c | 80 | ||||
| -rw-r--r-- | arch/mips/gt64120/wrppmc/setup.c | 34 |
3 files changed, 81 insertions, 35 deletions
diff --git a/arch/mips/gt64120/wrppmc/Makefile b/arch/mips/gt64120/wrppmc/Makefile index bef15c9..b49d282 100644 --- a/arch/mips/gt64120/wrppmc/Makefile +++ b/arch/mips/gt64120/wrppmc/Makefile @@ -9,6 +9,6 @@ # Makefile for the Wind River MIPS 4KC PPMC Eval Board # -obj-y += irq.o reset.o setup.o time.o pci.o +obj-y += irq.o pci.o reset.o serial.o setup.o time.o EXTRA_CFLAGS += -Werror 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); diff --git a/arch/mips/gt64120/wrppmc/setup.c b/arch/mips/gt64120/wrppmc/setup.c index f2ccf10..51f6b78 100644 --- a/arch/mips/gt64120/wrppmc/setup.c +++ b/arch/mips/gt64120/wrppmc/setup.c @@ -11,10 +11,6 @@ #include <linux/init.h> #include <linux/string.h> #include <linux/kernel.h> -#include <linux/tty.h> -#include <linux/serial.h> -#include <linux/serial_core.h> -#include <linux/serial_8250.h> #include <linux/pm.h> #include <asm/io.h> @@ -98,32 +94,6 @@ void __init prom_free_prom_memory(void) { } -#ifdef CONFIG_SERIAL_8250 -static void wrppmc_setup_serial(void) -{ - struct uart_port up; - - memset(&up, 0x00, sizeof(struct uart_port)); - - /* - * A note about mapbase/membase - * -) mapbase is the physical address of the IO port. - * -) membase is an 'ioremapped' cookie. - */ - up.line = 0; - up.type = PORT_16550; - up.iotype = UPIO_MEM; - up.mapbase = WRPPMC_UART16550_BASE; - up.membase = ioremap(up.mapbase, 8); - up.irq = WRPPMC_UART16550_IRQ; - up.uartclk = WRPPMC_UART16550_CLOCK; - up.flags = UPF_SKIP_TEST/* | UPF_BOOT_AUTOCONF */; - up.regshift = 0; - - early_serial_setup(&up); -} -#endif - void __init plat_mem_setup(void) { extern void wrppmc_machine_restart(char *command); @@ -138,10 +108,6 @@ void __init plat_mem_setup(void) * physical address ( < KSEG0) can work via KSEG1 */ set_io_port_base(KSEG1); - -#ifdef CONFIG_SERIAL_8250 - wrppmc_setup_serial(); -#endif } const char *get_system_type(void) |
