diff options
-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 | |||
1126 | # CONFIG_IPMI_HANDLER is not set | 1126 | # CONFIG_IPMI_HANDLER is not set |
1127 | # CONFIG_WATCHDOG is not set | 1127 | # CONFIG_WATCHDOG is not set |
1128 | CONFIG_HW_RANDOM=m | 1128 | CONFIG_HW_RANDOM=m |
1129 | CONFIG_RTC=y | ||
1130 | # CONFIG_R3964 is not set | 1129 | # CONFIG_R3964 is not set |
1131 | # CONFIG_APPLICOM is not set | 1130 | # CONFIG_APPLICOM is not set |
1132 | # CONFIG_DRM is not set | 1131 | # CONFIG_DRM is not set |
@@ -1199,7 +1198,43 @@ CONFIG_USB_ARCH_HAS_EHCI=y | |||
1199 | # CONFIG_MMC is not set | 1198 | # CONFIG_MMC is not set |
1200 | # CONFIG_NEW_LEDS is not set | 1199 | # CONFIG_NEW_LEDS is not set |
1201 | # CONFIG_INFINIBAND is not set | 1200 | # CONFIG_INFINIBAND is not set |
1202 | # CONFIG_RTC_CLASS is not set | 1201 | CONFIG_RTC_LIB=y |
1202 | CONFIG_RTC_CLASS=y | ||
1203 | CONFIG_RTC_HCTOSYS=y | ||
1204 | CONFIG_RTC_HCTOSYS_DEVICE="rtc0" | ||
1205 | # CONFIG_RTC_DEBUG is not set | ||
1206 | |||
1207 | # | ||
1208 | # RTC interfaces | ||
1209 | # | ||
1210 | CONFIG_RTC_INTF_SYSFS=y | ||
1211 | CONFIG_RTC_INTF_PROC=y | ||
1212 | CONFIG_RTC_INTF_DEV=y | ||
1213 | # CONFIG_RTC_INTF_DEV_UIE_EMUL is not set | ||
1214 | # CONFIG_RTC_DRV_TEST is not set | ||
1215 | |||
1216 | # | ||
1217 | # SPI RTC drivers | ||
1218 | # | ||
1219 | |||
1220 | # | ||
1221 | # Platform RTC drivers | ||
1222 | # | ||
1223 | CONFIG_RTC_DRV_CMOS=y | ||
1224 | # CONFIG_RTC_DRV_DS1286 is not set | ||
1225 | # CONFIG_RTC_DRV_DS1511 is not set | ||
1226 | # CONFIG_RTC_DRV_DS1553 is not set | ||
1227 | # CONFIG_RTC_DRV_DS1742 is not set | ||
1228 | # CONFIG_RTC_DRV_STK17TA8 is not set | ||
1229 | # CONFIG_RTC_DRV_M48T86 is not set | ||
1230 | # CONFIG_RTC_DRV_M48T35 is not set | ||
1231 | # CONFIG_RTC_DRV_M48T59 is not set | ||
1232 | # CONFIG_RTC_DRV_BQ4802 is not set | ||
1233 | # CONFIG_RTC_DRV_V3020 is not set | ||
1234 | |||
1235 | # | ||
1236 | # on-CPU RTC drivers | ||
1237 | # | ||
1203 | 1238 | ||
1204 | # | 1239 | # |
1205 | # DMA Engine support | 1240 | # 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 @@ | |||
6 | * Copyright (C) 2007 MIPS Technologies, Inc. | 6 | * Copyright (C) 2007 MIPS Technologies, Inc. |
7 | * written by Ralf Baechle (ralf@linux-mips.org) | 7 | * written by Ralf Baechle (ralf@linux-mips.org) |
8 | * | 8 | * |
9 | * Probe driver for the Malta's UART ports: | 9 | * Copyright (C) 2008 Wind River Systems, Inc. |
10 | * updated by Tiejun Chen <tiejun.chen@windriver.com> | ||
11 | * | ||
12 | * 1. Probe driver for the Malta's UART ports: | ||
10 | * | 13 | * |
11 | * o 2 ports in the SMC SuperIO | 14 | * o 2 ports in the SMC SuperIO |
12 | * o 1 port in the CBUS UART, a discrete 16550 which normally is only used | 15 | * o 1 port in the CBUS UART, a discrete 16550 which normally is only used |
@@ -14,10 +17,14 @@ | |||
14 | * | 17 | * |
15 | * We don't use 8250_platform.c on Malta as it would result in the CBUS | 18 | * We don't use 8250_platform.c on Malta as it would result in the CBUS |
16 | * UART becoming ttyS0. | 19 | * UART becoming ttyS0. |
20 | * | ||
21 | * 2. Register RTC-CMOS platform device on Malta. | ||
17 | */ | 22 | */ |
18 | #include <linux/module.h> | 23 | #include <linux/module.h> |
19 | #include <linux/init.h> | 24 | #include <linux/init.h> |
20 | #include <linux/serial_8250.h> | 25 | #include <linux/serial_8250.h> |
26 | #include <linux/mc146818rtc.h> | ||
27 | #include <linux/platform_device.h> | ||
21 | 28 | ||
22 | #define SMC_PORT(base, int) \ | 29 | #define SMC_PORT(base, int) \ |
23 | { \ | 30 | { \ |
@@ -45,7 +52,7 @@ static struct plat_serial8250_port uart8250_data[] = { | |||
45 | { }, | 52 | { }, |
46 | }; | 53 | }; |
47 | 54 | ||
48 | static struct platform_device uart8250_device = { | 55 | static struct platform_device malta_uart8250_device = { |
49 | .name = "serial8250", | 56 | .name = "serial8250", |
50 | .id = PLAT8250_DEV_PLATFORM2, | 57 | .id = PLAT8250_DEV_PLATFORM2, |
51 | .dev = { | 58 | .dev = { |
@@ -53,13 +60,44 @@ static struct platform_device uart8250_device = { | |||
53 | }, | 60 | }, |
54 | }; | 61 | }; |
55 | 62 | ||
56 | static int __init uart8250_init(void) | 63 | struct resource malta_rtc_resources[] = { |
64 | { | ||
65 | .start = RTC_PORT(0), | ||
66 | .end = RTC_PORT(7), | ||
67 | .flags = IORESOURCE_IO, | ||
68 | }, { | ||
69 | .start = RTC_IRQ, | ||
70 | .end = RTC_IRQ, | ||
71 | .flags = IORESOURCE_IRQ, | ||
72 | } | ||
73 | }; | ||
74 | |||
75 | static struct platform_device malta_rtc_device = { | ||
76 | .name = "rtc_cmos", | ||
77 | .id = -1, | ||
78 | .resource = malta_rtc_resources, | ||
79 | .num_resources = ARRAY_SIZE(malta_rtc_resources), | ||
80 | }; | ||
81 | |||
82 | static struct platform_device *malta_devices[] __initdata = { | ||
83 | &malta_uart8250_device, | ||
84 | &malta_rtc_device, | ||
85 | }; | ||
86 | |||
87 | static int __init malta_add_devices(void) | ||
57 | { | 88 | { |
58 | return platform_device_register(&uart8250_device); | 89 | int err; |
59 | } | ||
60 | 90 | ||
61 | module_init(uart8250_init); | 91 | err = platform_add_devices(malta_devices, ARRAY_SIZE(malta_devices)); |
92 | if (err) | ||
93 | return err; | ||
94 | |||
95 | /* | ||
96 | * Set RTC to BCD mode to support current alarm code. | ||
97 | */ | ||
98 | CMOS_WRITE(CMOS_READ(RTC_CONTROL) & ~RTC_DM_BINARY, RTC_CONTROL); | ||
99 | |||
100 | return 0; | ||
101 | } | ||
62 | 102 | ||
63 | MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); | 103 | device_initcall(malta_add_devices); |
64 | MODULE_LICENSE("GPL"); | ||
65 | MODULE_DESCRIPTION("8250 UART probe driver for the Malta CBUS UART"); | ||