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MIPS: BCM63xx: Add serial driver for bcm63xx integrated UART.

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Signed-off-by: Maxime Bizon <mbizon@freebox.fr>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Maxime Bizon
2009-09-18 13:04:58 +02:00
committed by Ralf Baechle
parent 8813d33ee0
commit 9fcd66e572
8 changed files with 964 additions and 1 deletions
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2
arch/mips/bcm63xx/Makefile
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@@ -1,5 +1,5 @@
obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
dev-dsp.o dev-enet.o
dev-dsp.o dev-enet.o dev-uart.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-y += boards/

3
arch/mips/bcm63xx/boards/board_bcm963xx.c
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@@ -23,6 +23,7 @@
#include <bcm63xx_dev_pci.h>
#include <bcm63xx_dev_enet.h>
#include <bcm63xx_dev_dsp.h>
#include <bcm63xx_dev_uart.h>
#include <board_bcm963xx.h>
#define PFX "board_bcm963xx: "
@@ -792,6 +793,8 @@ int __init board_register_devices(void)
{
u32 val;
bcm63xx_uart_register();
if (board.has_enet0 &&
!board_get_mac_address(board.enet0.mac_addr))
bcm63xx_enet_register(0, &board.enet0);

41
arch/mips/bcm63xx/dev-uart.c Normal file
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@@ -0,0 +1,41 @@
/*
* 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) 2008 Maxime Bizon <mbizon@freebox.fr>
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <bcm63xx_cpu.h>
#include <bcm63xx_dev_uart.h>
static struct resource uart_resources[] = {
{
.start = -1, /* filled at runtime */
.end = -1, /* filled at runtime */
.flags = IORESOURCE_MEM,
},
{
.start = -1, /* filled at runtime */
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device bcm63xx_uart_device = {
.name = "bcm63xx_uart",
.id = 0,
.num_resources = ARRAY_SIZE(uart_resources),
.resource = uart_resources,
};
int __init bcm63xx_uart_register(void)
{
uart_resources[0].start = bcm63xx_regset_address(RSET_UART0);
uart_resources[0].end = uart_resources[0].start;
uart_resources[0].end += RSET_UART_SIZE - 1;
uart_resources[1].start = bcm63xx_get_irq_number(IRQ_UART0);
return platform_device_register(&bcm63xx_uart_device);
}