diff options
| -rw-r--r-- | arch/mips/cobalt/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/cobalt/serial.c | 85 | ||||
| -rw-r--r-- | arch/mips/cobalt/setup.c | 19 |
3 files changed, 86 insertions, 20 deletions
diff --git a/arch/mips/cobalt/Makefile b/arch/mips/cobalt/Makefile index 9565b2104dcd..444166651872 100644 --- a/arch/mips/cobalt/Makefile +++ b/arch/mips/cobalt/Makefile | |||
| @@ -2,7 +2,7 @@ | |||
| 2 | # Makefile for the Cobalt micro systems family specific parts of the kernel | 2 | # Makefile for the Cobalt micro systems family specific parts of the kernel |
| 3 | # | 3 | # |
| 4 | 4 | ||
| 5 | obj-y := irq.o reset.o setup.o buttons.o | 5 | obj-y := buttons.o irq.o reset.o serial.o setup.o |
| 6 | 6 | ||
| 7 | obj-$(CONFIG_PCI) += pci.o | 7 | obj-$(CONFIG_PCI) += pci.o |
| 8 | obj-$(CONFIG_EARLY_PRINTK) += console.o | 8 | obj-$(CONFIG_EARLY_PRINTK) += console.o |
diff --git a/arch/mips/cobalt/serial.c b/arch/mips/cobalt/serial.c new file mode 100644 index 000000000000..c27116599a5f --- /dev/null +++ b/arch/mips/cobalt/serial.c | |||
| @@ -0,0 +1,85 @@ | |||
| 1 | /* | ||
| 2 | * Registration of Cobalt UART platform device. | ||
| 3 | * | ||
| 4 | * Copyright (C) 2007 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> | ||
| 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 <cobalt.h> | ||
| 27 | |||
| 28 | static struct resource cobalt_uart_resource[] __initdata = { | ||
| 29 | { | ||
| 30 | .start = 0x1c800000, | ||
| 31 | .end = 0x1c800007, | ||
| 32 | .flags = IORESOURCE_MEM, | ||
| 33 | }, | ||
| 34 | { | ||
| 35 | .start = COBALT_SERIAL_IRQ, | ||
| 36 | .end = COBALT_SERIAL_IRQ, | ||
| 37 | .flags = IORESOURCE_IRQ, | ||
| 38 | }, | ||
| 39 | }; | ||
| 40 | |||
| 41 | static struct plat_serial8250_port cobalt_serial8250_port[] = { | ||
| 42 | { | ||
| 43 | .irq = COBALT_SERIAL_IRQ, | ||
| 44 | .uartclk = 18432000, | ||
| 45 | .iotype = UPIO_MEM, | ||
| 46 | .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, | ||
| 47 | .mapbase = 0x1c800000, | ||
| 48 | }, | ||
| 49 | {}, | ||
| 50 | }; | ||
| 51 | |||
| 52 | static __init int cobalt_uart_add(void) | ||
| 53 | { | ||
| 54 | struct platform_device *pdev; | ||
| 55 | int retval; | ||
| 56 | |||
| 57 | /* | ||
| 58 | * Cobalt Qube1 and RAQ1 have no UART. | ||
| 59 | */ | ||
| 60 | if (cobalt_board_id <= COBALT_BRD_ID_RAQ1) | ||
| 61 | return 0; | ||
| 62 | |||
| 63 | pdev = platform_device_alloc("serial8250", -1); | ||
| 64 | if (!pdev) | ||
| 65 | return -ENOMEM; | ||
| 66 | |||
| 67 | pdev->id = PLAT8250_DEV_PLATFORM; | ||
| 68 | pdev->dev.platform_data = cobalt_serial8250_port; | ||
| 69 | |||
| 70 | retval = platform_device_add_resources(pdev, cobalt_uart_resource, ARRAY_SIZE(cobalt_uart_resource)); | ||
| 71 | if (retval) | ||
| 72 | goto err_free_device; | ||
| 73 | |||
| 74 | retval = platform_device_add(pdev); | ||
| 75 | if (retval) | ||
| 76 | goto err_free_device; | ||
| 77 | |||
| 78 | return 0; | ||
| 79 | |||
| 80 | err_free_device: | ||
| 81 | platform_device_put(pdev); | ||
| 82 | |||
| 83 | return retval; | ||
| 84 | } | ||
| 85 | device_initcall(cobalt_uart_add); | ||
diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c index d0dd81790f74..e2f53abfb440 100644 --- a/arch/mips/cobalt/setup.c +++ b/arch/mips/cobalt/setup.c | |||
| @@ -13,8 +13,6 @@ | |||
| 13 | #include <linux/pci.h> | 13 | #include <linux/pci.h> |
| 14 | #include <linux/init.h> | 14 | #include <linux/init.h> |
| 15 | #include <linux/pm.h> | 15 | #include <linux/pm.h> |
| 16 | #include <linux/serial.h> | ||
| 17 | #include <linux/serial_core.h> | ||
| 18 | 16 | ||
| 19 | #include <asm/bootinfo.h> | 17 | #include <asm/bootinfo.h> |
| 20 | #include <asm/time.h> | 18 | #include <asm/time.h> |
| @@ -27,7 +25,6 @@ | |||
| 27 | extern void cobalt_machine_restart(char *command); | 25 | extern void cobalt_machine_restart(char *command); |
| 28 | extern void cobalt_machine_halt(void); | 26 | extern void cobalt_machine_halt(void); |
| 29 | extern void cobalt_machine_power_off(void); | 27 | extern void cobalt_machine_power_off(void); |
| 30 | extern void cobalt_early_console(void); | ||
| 31 | 28 | ||
| 32 | int cobalt_board_id; | 29 | int cobalt_board_id; |
| 33 | 30 | ||
| @@ -95,7 +92,6 @@ static struct resource cobalt_reserved_resources[] = { | |||
| 95 | 92 | ||
| 96 | void __init plat_mem_setup(void) | 93 | void __init plat_mem_setup(void) |
| 97 | { | 94 | { |
| 98 | static struct uart_port uart; | ||
| 99 | unsigned int devfn = PCI_DEVFN(COBALT_PCICONF_VIA, 0); | 95 | unsigned int devfn = PCI_DEVFN(COBALT_PCICONF_VIA, 0); |
| 100 | int i; | 96 | int i; |
| 101 | 97 | ||
| @@ -119,21 +115,6 @@ void __init plat_mem_setup(void) | |||
| 119 | cobalt_board_id = VIA_COBALT_BRD_REG_to_ID(cobalt_board_id); | 115 | cobalt_board_id = VIA_COBALT_BRD_REG_to_ID(cobalt_board_id); |
| 120 | 116 | ||
| 121 | printk("Cobalt board ID: %d\n", cobalt_board_id); | 117 | printk("Cobalt board ID: %d\n", cobalt_board_id); |
| 122 | |||
| 123 | if (cobalt_board_id > COBALT_BRD_ID_RAQ1) { | ||
| 124 | #ifdef CONFIG_SERIAL_8250 | ||
| 125 | uart.line = 0; | ||
| 126 | uart.type = PORT_UNKNOWN; | ||
| 127 | uart.uartclk = 18432000; | ||
| 128 | uart.irq = COBALT_SERIAL_IRQ; | ||
| 129 | uart.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | | ||
| 130 | UPF_SKIP_TEST; | ||
| 131 | uart.iotype = UPIO_MEM; | ||
| 132 | uart.mapbase = 0x1c800000; | ||
| 133 | |||
| 134 | early_serial_setup(&uart); | ||
| 135 | #endif | ||
| 136 | } | ||
| 137 | } | 118 | } |
| 138 | 119 | ||
| 139 | /* | 120 | /* |
