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-rw-r--r--arch/arm/mach-ep93xx/ts72xx.c39
-rw-r--r--include/asm-arm/arch-ep93xx/ts72xx.h11
2 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 777e75daa8a5..9be01b0c3f48 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -17,6 +17,8 @@
17#include <linux/sched.h> 17#include <linux/sched.h>
18#include <linux/interrupt.h> 18#include <linux/interrupt.h>
19#include <linux/mtd/physmap.h> 19#include <linux/mtd/physmap.h>
20#include <linux/platform_device.h>
21#include <linux/m48t86.h>
20#include <asm/io.h> 22#include <asm/io.h>
21#include <asm/hardware.h> 23#include <asm/hardware.h>
22#include <asm/mach-types.h> 24#include <asm/mach-types.h>
@@ -39,6 +41,16 @@ static struct map_desc ts72xx_io_desc[] __initdata = {
39 .pfn = __phys_to_pfn(TS72XX_OPTIONS2_PHYS_BASE), 41 .pfn = __phys_to_pfn(TS72XX_OPTIONS2_PHYS_BASE),
40 .length = TS72XX_OPTIONS2_SIZE, 42 .length = TS72XX_OPTIONS2_SIZE,
41 .type = MT_DEVICE, 43 .type = MT_DEVICE,
44 }, {
45 .virtual = TS72XX_RTC_INDEX_VIRT_BASE,
46 .pfn = __phys_to_pfn(TS72XX_RTC_INDEX_PHYS_BASE),
47 .length = TS72XX_RTC_INDEX_SIZE,
48 .type = MT_DEVICE,
49 }, {
50 .virtual = TS72XX_RTC_DATA_VIRT_BASE,
51 .pfn = __phys_to_pfn(TS72XX_RTC_DATA_PHYS_BASE),
52 .length = TS72XX_RTC_DATA_SIZE,
53 .type = MT_DEVICE,
42 } 54 }
43}; 55};
44 56
@@ -99,11 +111,38 @@ static void __init ts72xx_map_io(void)
99 } 111 }
100} 112}
101 113
114static unsigned char ts72xx_rtc_readb(unsigned long addr)
115{
116 __raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE);
117 return __raw_readb(TS72XX_RTC_DATA_VIRT_BASE);
118}
119
120static void ts72xx_rtc_writeb(unsigned char value, unsigned long addr)
121{
122 __raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE);
123 __raw_writeb(value, TS72XX_RTC_DATA_VIRT_BASE);
124}
125
126static struct m48t86_ops ts72xx_rtc_ops = {
127 .readb = ts72xx_rtc_readb,
128 .writeb = ts72xx_rtc_writeb,
129};
130
131static struct platform_device ts72xx_rtc_device = {
132 .name = "rtc-m48t86",
133 .id = -1,
134 .dev = {
135 .platform_data = &ts72xx_rtc_ops,
136 },
137 .num_resources = 0,
138};
139
102static void __init ts72xx_init_machine(void) 140static void __init ts72xx_init_machine(void)
103{ 141{
104 ep93xx_init_devices(); 142 ep93xx_init_devices();
105 if (board_is_ts7200()) 143 if (board_is_ts7200())
106 physmap_configure(TS72XX_NOR_PHYS_BASE, 0x01000000, 1, NULL); 144 physmap_configure(TS72XX_NOR_PHYS_BASE, 0x01000000, 1, NULL);
145 platform_device_register(&ts72xx_rtc_device);
107} 146}
108 147
109MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC") 148MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
diff --git a/include/asm-arm/arch-ep93xx/ts72xx.h b/include/asm-arm/arch-ep93xx/ts72xx.h
index 412215e77f44..a94f63ff0535 100644
--- a/include/asm-arm/arch-ep93xx/ts72xx.h
+++ b/include/asm-arm/arch-ep93xx/ts72xx.h
@@ -12,6 +12,8 @@
12 * febfc000 [67]0000000 4K NAND data register 12 * febfc000 [67]0000000 4K NAND data register
13 * febfb000 [67]0400000 4K NAND control register 13 * febfb000 [67]0400000 4K NAND control register
14 * febfa000 [67]0800000 4K NAND busy register 14 * febfa000 [67]0800000 4K NAND busy register
15 * febf9000 10800000 4K TS-5620 RTC index register
16 * febf8000 11700000 4K TS-5620 RTC data register
15 */ 17 */
16 18
17#define TS72XX_MODEL_PHYS_BASE 0x22000000 19#define TS72XX_MODEL_PHYS_BASE 0x22000000
@@ -58,6 +60,15 @@
58#define TS72XX_NAND_BUSY_SIZE 0x00001000 60#define TS72XX_NAND_BUSY_SIZE 0x00001000
59 61
60 62
63#define TS72XX_RTC_INDEX_VIRT_BASE 0xfebf9000
64#define TS72XX_RTC_INDEX_PHYS_BASE 0x10800000
65#define TS72XX_RTC_INDEX_SIZE 0x00001000
66
67#define TS72XX_RTC_DATA_VIRT_BASE 0xfebf8000
68#define TS72XX_RTC_DATA_PHYS_BASE 0x11700000
69#define TS72XX_RTC_DATA_SIZE 0x00001000
70
71
61#ifndef __ASSEMBLY__ 72#ifndef __ASSEMBLY__
62#include <asm/io.h> 73#include <asm/io.h>
63 74