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-rw-r--r--arch/arm/mach-ep93xx/ts72xx.c40
-rw-r--r--arch/arm/mach-ep93xx/ts72xx.h11
-rw-r--r--arch/arm/mach-orion5x/ts78xx-setup.c80
3 files changed, 29 insertions, 102 deletions
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 3b39ea353d30..8a5b6f059498 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -16,7 +16,6 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
-#include <linux/platform_data/rtc-m48t86.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
@@ -45,16 +44,6 @@ static struct map_desc ts72xx_io_desc[] __initdata = {
.pfn = __phys_to_pfn(TS72XX_OPTIONS2_PHYS_BASE),
.length = TS72XX_OPTIONS2_SIZE,
.type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)TS72XX_RTC_INDEX_VIRT_BASE,
- .pfn = __phys_to_pfn(TS72XX_RTC_INDEX_PHYS_BASE),
- .length = TS72XX_RTC_INDEX_SIZE,
- .type = MT_DEVICE,
- }, {
- .virtual = (unsigned long)TS72XX_RTC_DATA_VIRT_BASE,
- .pfn = __phys_to_pfn(TS72XX_RTC_DATA_PHYS_BASE),
- .length = TS72XX_RTC_DATA_SIZE,
- .type = MT_DEVICE,
}
};
@@ -179,31 +168,22 @@ static void __init ts72xx_register_flash(void)
}
}
+/*************************************************************************
+ * RTC M48T86
+ *************************************************************************/
+#define TS72XX_RTC_INDEX_PHYS_BASE (EP93XX_CS1_PHYS_BASE + 0x00800000)
+#define TS72XX_RTC_DATA_PHYS_BASE (EP93XX_CS1_PHYS_BASE + 0x01700000)
-static unsigned char ts72xx_rtc_readbyte(unsigned long addr)
-{
- __raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE);
- return __raw_readb(TS72XX_RTC_DATA_VIRT_BASE);
-}
-
-static void ts72xx_rtc_writebyte(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 = {
- .readbyte = ts72xx_rtc_readbyte,
- .writebyte = ts72xx_rtc_writebyte,
+static struct resource ts72xx_rtc_resources[] = {
+ DEFINE_RES_MEM(TS72XX_RTC_INDEX_PHYS_BASE, 0x01),
+ DEFINE_RES_MEM(TS72XX_RTC_DATA_PHYS_BASE, 0x01),
};
static struct platform_device ts72xx_rtc_device = {
.name = "rtc-m48t86",
.id = -1,
- .dev = {
- .platform_data = &ts72xx_rtc_ops,
- },
- .num_resources = 0,
+ .resource = ts72xx_rtc_resources,
+ .num_resources = ARRAY_SIZE(ts72xx_rtc_resources),
};
static struct resource ts72xx_wdt_resources[] = {
diff --git a/arch/arm/mach-ep93xx/ts72xx.h b/arch/arm/mach-ep93xx/ts72xx.h
index 071feaa30adc..2255ba29fdd6 100644
--- a/arch/arm/mach-ep93xx/ts72xx.h
+++ b/arch/arm/mach-ep93xx/ts72xx.h
@@ -9,8 +9,6 @@
* febff000 22000000 4K model number register (bits 0-2)
* febfe000 22400000 4K options register
* febfd000 22800000 4K options register #2
- * febf9000 10800000 4K TS-5620 RTC index register
- * febf8000 11700000 4K TS-5620 RTC data register
*/
#define TS72XX_MODEL_PHYS_BASE 0x22000000
@@ -40,15 +38,6 @@
#define TS72XX_OPTIONS2_TS9420 0x04
#define TS72XX_OPTIONS2_TS9420_BOOT 0x02
-
-#define TS72XX_RTC_INDEX_VIRT_BASE IOMEM(0xfebf9000)
-#define TS72XX_RTC_INDEX_PHYS_BASE 0x10800000
-#define TS72XX_RTC_INDEX_SIZE 0x00001000
-
-#define TS72XX_RTC_DATA_VIRT_BASE IOMEM(0xfebf8000)
-#define TS72XX_RTC_DATA_PHYS_BASE 0x11700000
-#define TS72XX_RTC_DATA_SIZE 0x00001000
-
#define TS72XX_WDT_CONTROL_PHYS_BASE 0x23800000
#define TS72XX_WDT_FEED_PHYS_BASE 0x23c00000
diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c
index 8d597267d0c4..7ef80a8304c0 100644
--- a/arch/arm/mach-orion5x/ts78xx-setup.c
+++ b/arch/arm/mach-orion5x/ts78xx-setup.c
@@ -16,7 +16,6 @@
#include <linux/platform_device.h>
#include <linux/mv643xx_eth.h>
#include <linux/ata_platform.h>
-#include <linux/platform_data/rtc-m48t86.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/timeriomem-rng.h>
@@ -80,79 +79,38 @@ static struct mv_sata_platform_data ts78xx_sata_data = {
/*****************************************************************************
* RTC M48T86 - nicked^Wborrowed from arch/arm/mach-ep93xx/ts72xx.c
****************************************************************************/
-#define TS_RTC_CTRL (TS78XX_FPGA_REGS_VIRT_BASE + 0x808)
-#define TS_RTC_DATA (TS78XX_FPGA_REGS_VIRT_BASE + 0x80c)
+#define TS_RTC_CTRL (TS78XX_FPGA_REGS_PHYS_BASE + 0x808)
+#define TS_RTC_DATA (TS78XX_FPGA_REGS_PHYS_BASE + 0x80c)
-static unsigned char ts78xx_ts_rtc_readbyte(unsigned long addr)
-{
- writeb(addr, TS_RTC_CTRL);
- return readb(TS_RTC_DATA);
-}
-
-static void ts78xx_ts_rtc_writebyte(unsigned char value, unsigned long addr)
-{
- writeb(addr, TS_RTC_CTRL);
- writeb(value, TS_RTC_DATA);
-}
-
-static struct m48t86_ops ts78xx_ts_rtc_ops = {
- .readbyte = ts78xx_ts_rtc_readbyte,
- .writebyte = ts78xx_ts_rtc_writebyte,
+static struct resource ts78xx_ts_rtc_resources[] = {
+ DEFINE_RES_MEM(TS_RTC_CTRL, 0x01),
+ DEFINE_RES_MEM(TS_RTC_DATA, 0x01),
};
static struct platform_device ts78xx_ts_rtc_device = {
.name = "rtc-m48t86",
.id = -1,
- .dev = {
- .platform_data = &ts78xx_ts_rtc_ops,
- },
- .num_resources = 0,
+ .resource = ts78xx_ts_rtc_resources,
+ .num_resources = ARRAY_SIZE(ts78xx_ts_rtc_resources),
};
-/*
- * TS uses some of the user storage space on the RTC chip so see if it is
- * present; as it's an optional feature at purchase time and not all boards
- * will have it present
- *
- * I've used the method TS use in their rtc7800.c example for the detection
- *
- * TODO: track down a guinea pig without an RTC to see if we can work out a
- * better RTC detection routine
- */
static int ts78xx_ts_rtc_load(void)
{
int rc;
- unsigned char tmp_rtc0, tmp_rtc1;
-
- tmp_rtc0 = ts78xx_ts_rtc_readbyte(126);
- tmp_rtc1 = ts78xx_ts_rtc_readbyte(127);
-
- ts78xx_ts_rtc_writebyte(0x00, 126);
- ts78xx_ts_rtc_writebyte(0x55, 127);
- if (ts78xx_ts_rtc_readbyte(127) == 0x55) {
- ts78xx_ts_rtc_writebyte(0xaa, 127);
- if (ts78xx_ts_rtc_readbyte(127) == 0xaa
- && ts78xx_ts_rtc_readbyte(126) == 0x00) {
- ts78xx_ts_rtc_writebyte(tmp_rtc0, 126);
- ts78xx_ts_rtc_writebyte(tmp_rtc1, 127);
-
- if (ts78xx_fpga.supports.ts_rtc.init == 0) {
- rc = platform_device_register(&ts78xx_ts_rtc_device);
- if (!rc)
- ts78xx_fpga.supports.ts_rtc.init = 1;
- } else
- rc = platform_device_add(&ts78xx_ts_rtc_device);
-
- if (rc)
- pr_info("RTC could not be registered: %d\n",
- rc);
- return rc;
- }
+
+ if (ts78xx_fpga.supports.ts_rtc.init == 0) {
+ rc = platform_device_register(&ts78xx_ts_rtc_device);
+ if (!rc)
+ ts78xx_fpga.supports.ts_rtc.init = 1;
+ } else {
+ rc = platform_device_add(&ts78xx_ts_rtc_device);
}
- pr_info("RTC not found\n");
- return -ENODEV;
-};
+ if (rc)
+ pr_info("RTC could not be registered: %d\n", rc);
+
+ return rc;
+}
static void ts78xx_ts_rtc_unload(void)
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-17 03:08:29 +0000