diff options
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/configs/malta_defconfig | 39 | ||||
| -rw-r--r-- | arch/mips/mti-malta/malta-platform.c | 56 |
2 files changed, 84 insertions, 11 deletions
diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig index 74daa0cf87e6..a69956573d17 100644 --- a/arch/mips/configs/malta_defconfig +++ b/arch/mips/configs/malta_defconfig @@ -1126,7 +1126,6 @@ CONFIG_LEGACY_PTY_COUNT=256 # CONFIG_IPMI_HANDLER is not set # CONFIG_WATCHDOG is not set CONFIG_HW_RANDOM=m -CONFIG_RTC=y # CONFIG_R3964 is not set # CONFIG_APPLICOM is not set # CONFIG_DRM is not set @@ -1199,7 +1198,43 @@ CONFIG_USB_ARCH_HAS_EHCI=y # CONFIG_MMC is not set # CONFIG_NEW_LEDS is not set # CONFIG_INFINIBAND is not set -# CONFIG_RTC_CLASS is not set +CONFIG_RTC_LIB=y +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# SPI RTC drivers +# + +# +# Platform RTC drivers +# +CONFIG_RTC_DRV_CMOS=y +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# # # DMA Engine support diff --git a/arch/mips/mti-malta/malta-platform.c b/arch/mips/mti-malta/malta-platform.c index 83b9bab3cd3f..6a476f7733b3 100644 --- a/arch/mips/mti-malta/malta-platform.c +++ b/arch/mips/mti-malta/malta-platform.c @@ -6,7 +6,10 @@ * Copyright (C) 2007 MIPS Technologies, Inc. * 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 +17,14 @@ * * 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/platform_device.h> #define SMC_PORT(base, int) \ { \ @@ -45,7 +52,7 @@ 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, .dev = { @@ -53,13 +60,44 @@ static struct platform_device uart8250_device = { }, }; -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 platform_device *malta_devices[] __initdata = { + &malta_uart8250_device, + &malta_rtc_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); |
