diff options
author | Dave Jones <davej@redhat.com> | 2006-04-18 17:19:55 -0500 |
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committer | Dave Jones <davej@redhat.com> | 2006-04-18 17:19:55 -0500 |
commit | f1f76afd71e0f17af9a35fcb649f4bab53304a4d (patch) | |
tree | a56257b13a0eda4a9b7e950c3b85adad16341b80 /arch/arm/mach-ep93xx/ts72xx.c | |
parent | 530515a06f90c0831732709efee4a99497bd2b7c (diff) | |
parent | 385910f2b275a636238f70844f1b6da9fda6f2da (diff) |
Merge ../linus
Diffstat (limited to 'arch/arm/mach-ep93xx/ts72xx.c')
-rw-r--r-- | arch/arm/mach-ep93xx/ts72xx.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c index 777e75daa8a..9be01b0c3f4 100644 --- a/arch/arm/mach-ep93xx/ts72xx.c +++ b/arch/arm/mach-ep93xx/ts72xx.c @@ -17,6 +17,8 @@ #include <linux/sched.h> #include <linux/interrupt.h> #include <linux/mtd/physmap.h> +#include <linux/platform_device.h> +#include <linux/m48t86.h> #include <asm/io.h> #include <asm/hardware.h> #include <asm/mach-types.h> @@ -39,6 +41,16 @@ static struct map_desc ts72xx_io_desc[] __initdata = { .pfn = __phys_to_pfn(TS72XX_OPTIONS2_PHYS_BASE), .length = TS72XX_OPTIONS2_SIZE, .type = MT_DEVICE, + }, { + .virtual = TS72XX_RTC_INDEX_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_RTC_INDEX_PHYS_BASE), + .length = TS72XX_RTC_INDEX_SIZE, + .type = MT_DEVICE, + }, { + .virtual = TS72XX_RTC_DATA_VIRT_BASE, + .pfn = __phys_to_pfn(TS72XX_RTC_DATA_PHYS_BASE), + .length = TS72XX_RTC_DATA_SIZE, + .type = MT_DEVICE, } }; @@ -99,11 +111,38 @@ static void __init ts72xx_map_io(void) } } +static unsigned char ts72xx_rtc_readb(unsigned long addr) +{ + __raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE); + return __raw_readb(TS72XX_RTC_DATA_VIRT_BASE); +} + +static void ts72xx_rtc_writeb(unsigned char value, unsigned long addr) +{ + __raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE); + __raw_writeb(value, TS72XX_RTC_DATA_VIRT_BASE); +} + +static struct m48t86_ops ts72xx_rtc_ops = { + .readb = ts72xx_rtc_readb, + .writeb = ts72xx_rtc_writeb, +}; + +static struct platform_device ts72xx_rtc_device = { + .name = "rtc-m48t86", + .id = -1, + .dev = { + .platform_data = &ts72xx_rtc_ops, + }, + .num_resources = 0, +}; + static void __init ts72xx_init_machine(void) { ep93xx_init_devices(); if (board_is_ts7200()) physmap_configure(TS72XX_NOR_PHYS_BASE, 0x01000000, 1, NULL); + platform_device_register(&ts72xx_rtc_device); } MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC") |