diff options
Diffstat (limited to 'arch/mips/mti-malta/malta-platform.c')
| -rw-r--r-- | arch/mips/mti-malta/malta-platform.c | 107 |
1 files changed, 95 insertions, 12 deletions
diff --git a/arch/mips/mti-malta/malta-platform.c b/arch/mips/mti-malta/malta-platform.c index 83b9bab..72e32a7 100644 --- a/arch/mips/mti-malta/malta-platform.c +++ b/arch/mips/mti-malta/malta-platform.c @@ -3,10 +3,14 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2007 MIPS Technologies, Inc. + * Copyright (C) 2006, 07 MIPS Technologies, Inc. * written by Ralf Baechle (ralf@linux-mips.org) + * written by Ralf Baechle <ralf@linux-mips.org> * - * Probe driver for the Malta's UART ports: + * Copyright (C) 2008 Wind River Systems, Inc. + * updated by Tiejun Chen <tiejun.chen@windriver.com> + * + * 1. Probe driver for the Malta's UART ports: * * o 2 ports in the SMC SuperIO * o 1 port in the CBUS UART, a discrete 16550 which normally is only used @@ -14,10 +18,17 @@ * * We don't use 8250_platform.c on Malta as it would result in the CBUS * UART becoming ttyS0. + * + * 2. Register RTC-CMOS platform device on Malta. */ -#include <linux/module.h> #include <linux/init.h> #include <linux/serial_8250.h> +#include <linux/mc146818rtc.h> +#include <linux/module.h> +#include <linux/mtd/partitions.h> +#include <linux/mtd/physmap.h> +#include <linux/platform_device.h> +#include <mtd/mtd-abi.h> #define SMC_PORT(base, int) \ { \ @@ -45,21 +56,93 @@ static struct plat_serial8250_port uart8250_data[] = { { }, }; -static struct platform_device uart8250_device = { +static struct platform_device malta_uart8250_device = { .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM2, + .id = PLAT8250_DEV_PLATFORM, .dev = { .platform_data = uart8250_data, }, }; -static int __init uart8250_init(void) +struct resource malta_rtc_resources[] = { + { + .start = RTC_PORT(0), + .end = RTC_PORT(7), + .flags = IORESOURCE_IO, + }, { + .start = RTC_IRQ, + .end = RTC_IRQ, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device malta_rtc_device = { + .name = "rtc_cmos", + .id = -1, + .resource = malta_rtc_resources, + .num_resources = ARRAY_SIZE(malta_rtc_resources), +}; + +static struct mtd_partition malta_mtd_partitions[] = { + { + .name = "YAMON", + .offset = 0x0, + .size = 0x100000, + .mask_flags = MTD_WRITEABLE + }, { + .name = "User FS", + .offset = 0x100000, + .size = 0x2e0000 + }, { + .name = "Board Config", + .offset = 0x3e0000, + .size = 0x020000, + .mask_flags = MTD_WRITEABLE + } +}; + +static struct physmap_flash_data malta_flash_data = { + .width = 4, + .nr_parts = ARRAY_SIZE(malta_mtd_partitions), + .parts = malta_mtd_partitions +}; + +static struct resource malta_flash_resource = { + .start = 0x1e000000, + .end = 0x1e3fffff, + .flags = IORESOURCE_MEM +}; + +static struct platform_device malta_flash_device = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &malta_flash_data, + }, + .num_resources = 1, + .resource = &malta_flash_resource, +}; + +static struct platform_device *malta_devices[] __initdata = { + &malta_uart8250_device, + &malta_rtc_device, + &malta_flash_device, +}; + +static int __init malta_add_devices(void) { - return platform_device_register(&uart8250_device); -} + int err; -module_init(uart8250_init); + err = platform_add_devices(malta_devices, ARRAY_SIZE(malta_devices)); + if (err) + return err; + + /* + * Set RTC to BCD mode to support current alarm code. + */ + CMOS_WRITE(CMOS_READ(RTC_CONTROL) & ~RTC_DM_BINARY, RTC_CONTROL); + + return 0; +} -MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("8250 UART probe driver for the Malta CBUS UART"); +device_initcall(malta_add_devices); |