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| author | Aurelien Jarno <aurelien@aurel32.net> | 2007-09-25 15:40:12 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-10-11 23:46:02 +0100 |
| commit | 1c0c13eb935c95fd2ca0b0aca6dd4860487fb242 (patch) | |
| tree | a274a6e2e56f519900fb35c544ddf279f38ca8d6 /arch/mips/bcm47xx/serial.c | |
| parent | ea202c632a52c4a83f1bd82d8d06bc8e04f2689a (diff) | |
| download | kernel_samsung_tuna-1c0c13eb935c95fd2ca0b0aca6dd4860487fb242.zip kernel_samsung_tuna-1c0c13eb935c95fd2ca0b0aca6dd4860487fb242.tar.gz kernel_samsung_tuna-1c0c13eb935c95fd2ca0b0aca6dd4860487fb242.tar.bz2 | |
[MIPS] Add support for BCM47XX CPUs.
Note that the BCM4710 does not support the wait instruction, this
is not a mistake in the code.
It originally comes from the OpenWrt patches.
Cc: Michael Buesch <mb@bu3sch.de>
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Florian Schirmer <jolt@tuxbox.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/bcm47xx/serial.c')
| -rw-r--r-- | arch/mips/bcm47xx/serial.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/mips/bcm47xx/serial.c b/arch/mips/bcm47xx/serial.c new file mode 100644 index 0000000..59c11af --- /dev/null +++ b/arch/mips/bcm47xx/serial.c @@ -0,0 +1,52 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/serial.h> +#include <linux/serial_8250.h> +#include <linux/ssb/ssb.h> +#include <bcm47xx.h> + +static struct plat_serial8250_port uart8250_data[5]; + +static struct platform_device uart8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = uart8250_data, + }, +}; + +static int __init uart8250_init(void) +{ + int i; + struct ssb_mipscore *mcore = &(ssb_bcm47xx.mipscore); + + memset(&uart8250_data, 0, sizeof(uart8250_data)); + + for (i = 0; i < mcore->nr_serial_ports; i++) { + struct plat_serial8250_port *p = &(uart8250_data[i]); + struct ssb_serial_port *ssb_port = &(mcore->serial_ports[i]); + + p->mapbase = (unsigned int) ssb_port->regs; + p->membase = (void *) ssb_port->regs; + p->irq = ssb_port->irq + 2; + p->uartclk = ssb_port->baud_base; + p->regshift = ssb_port->reg_shift; + p->iotype = UPIO_MEM; + p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; + } + return platform_device_register(&uart8250_device); +} + +module_init(uart8250_init); + +MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("8250 UART probe driver for the BCM47XX platforms"); |