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-rw-r--r--arch/sparc/include/asm/byteorder.h22
-rw-r--r--arch/sparc/kernel/time.c27
-rw-r--r--arch/sparc64/kernel/time.c34
-rw-r--r--arch/sparc64/lib/PeeCeeI.c139
4 files changed, 65 insertions, 157 deletions
diff --git a/arch/sparc/include/asm/byteorder.h b/arch/sparc/include/asm/byteorder.h
index bcd83aa351c..5a70f137f1f 100644
--- a/arch/sparc/include/asm/byteorder.h
+++ b/arch/sparc/include/asm/byteorder.h
@@ -4,15 +4,14 @@
#include <asm/types.h>
#include <asm/asi.h>
-#ifdef __GNUC__
+#define __BIG_ENDIAN
#ifdef CONFIG_SPARC32
#define __SWAB_64_THRU_32__
#endif
#ifdef CONFIG_SPARC64
-
-static inline __u16 ___arch__swab16p(const __u16 *addr)
+static inline __u16 __arch_swab16p(const __u16 *addr)
{
__u16 ret;
@@ -21,8 +20,9 @@ static inline __u16 ___arch__swab16p(const __u16 *addr)
: "r" (addr), "i" (ASI_PL));
return ret;
}
+#define __arch_swab16p __arch_swab16p
-static inline __u32 ___arch__swab32p(const __u32 *addr)
+static inline __u32 __arch_swab32p(const __u32 *addr)
{
__u32 ret;
@@ -31,8 +31,9 @@ static inline __u32 ___arch__swab32p(const __u32 *addr)
: "r" (addr), "i" (ASI_PL));
return ret;
}
+#define __arch_swab32p __arch_swab32p
-static inline __u64 ___arch__swab64p(const __u64 *addr)
+static inline __u64 __arch_swab64p(const __u64 *addr)
{
__u64 ret;
@@ -41,17 +42,10 @@ static inline __u64 ___arch__swab64p(const __u64 *addr)
: "r" (addr), "i" (ASI_PL));
return ret;
}
-
-#define __arch__swab16p(x) ___arch__swab16p(x)
-#define __arch__swab32p(x) ___arch__swab32p(x)
-#define __arch__swab64p(x) ___arch__swab64p(x)
+#define __arch_swab64p __arch_swab64p
#endif /* CONFIG_SPARC64 */
-#define __BYTEORDER_HAS_U64__
-
-#endif
-
-#include <linux/byteorder/big_endian.h>
+#include <linux/byteorder.h>
#endif /* _SPARC_BYTEORDER_H */
diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c
index 62c1d94cb43..00f7383c765 100644
--- a/arch/sparc/kernel/time.c
+++ b/arch/sparc/kernel/time.c
@@ -119,35 +119,16 @@ static unsigned char mostek_read_byte(struct device *dev, u32 ofs)
{
struct platform_device *pdev = to_platform_device(dev);
struct m48t59_plat_data *pdata = pdev->dev.platform_data;
- void __iomem *regs = pdata->ioaddr;
- unsigned char val = readb(regs + ofs);
-
- /* the year 0 is 1968 */
- if (ofs == pdata->offset + M48T59_YEAR) {
- val += 0x68;
- if ((val & 0xf) > 9)
- val += 6;
- }
- return val;
+
+ return readb(pdata->ioaddr + ofs);
}
static void mostek_write_byte(struct device *dev, u32 ofs, u8 val)
{
struct platform_device *pdev = to_platform_device(dev);
struct m48t59_plat_data *pdata = pdev->dev.platform_data;
- void __iomem *regs = pdata->ioaddr;
-
- if (ofs == pdata->offset + M48T59_YEAR) {
- if (val < 0x68)
- val += 0x32;
- else
- val -= 0x68;
- if ((val & 0xf) > 9)
- val += 6;
- if ((val & 0xf0) > 0x9A)
- val += 0x60;
- }
- writeb(val, regs + ofs);
+
+ writeb(val, pdata->ioaddr + ofs);
}
static struct m48t59_plat_data m48t59_data = {
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 80d71a5ce1e..141da375909 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -490,6 +490,7 @@ static struct of_device_id __initdata bq4802_match[] = {
.name = "rtc",
.compatible = "bq4802",
},
+ {},
};
static struct of_platform_driver bq4802_driver = {
@@ -503,39 +504,16 @@ static struct of_platform_driver bq4802_driver = {
static unsigned char mostek_read_byte(struct device *dev, u32 ofs)
{
struct platform_device *pdev = to_platform_device(dev);
- struct m48t59_plat_data *pdata = pdev->dev.platform_data;
- void __iomem *regs;
- unsigned char val;
-
- regs = (void __iomem *) pdev->resource[0].start;
- val = readb(regs + ofs);
-
- /* the year 0 is 1968 */
- if (ofs == pdata->offset + M48T59_YEAR) {
- val += 0x68;
- if ((val & 0xf) > 9)
- val += 6;
- }
- return val;
+ void __iomem *regs = (void __iomem *) pdev->resource[0].start;
+
+ return readb(regs + ofs);
}
static void mostek_write_byte(struct device *dev, u32 ofs, u8 val)
{
struct platform_device *pdev = to_platform_device(dev);
- struct m48t59_plat_data *pdata = pdev->dev.platform_data;
- void __iomem *regs;
-
- regs = (void __iomem *) pdev->resource[0].start;
- if (ofs == pdata->offset + M48T59_YEAR) {
- if (val < 0x68)
- val += 0x32;
- else
- val -= 0x68;
- if ((val & 0xf) > 9)
- val += 6;
- if ((val & 0xf0) > 0x9A)
- val += 0x60;
- }
+ void __iomem *regs = (void __iomem *) pdev->resource[0].start;
+
writeb(val, regs + ofs);
}
diff --git a/arch/sparc64/lib/PeeCeeI.c b/arch/sparc64/lib/PeeCeeI.c
index 8b313f11bc8..46053e6ddd7 100644
--- a/arch/sparc64/lib/PeeCeeI.c
+++ b/arch/sparc64/lib/PeeCeeI.c
@@ -20,107 +20,62 @@ void outsw(unsigned long __addr, const void *src, unsigned long count)
{
void __iomem *addr = (void __iomem *) __addr;
- if (count) {
- u16 *ps = (u16 *)src;
- u32 *pi;
-
- if (((u64)src) & 0x2) {
- u16 val = le16_to_cpup(ps);
- outw(val, addr);
- ps++;
- count--;
- }
- pi = (u32 *)ps;
- while (count >= 2) {
- u32 w = le32_to_cpup(pi);
-
- pi++;
- outw(w >> 0, addr);
- outw(w >> 16, addr);
- count -= 2;
- }
- ps = (u16 *)pi;
- if (count) {
- u16 val = le16_to_cpup(ps);
- outw(val, addr);
- }
+ while (count--) {
+ __raw_writew(*(u16 *)src, addr);
+ src += sizeof(u16);
}
}
void outsl(unsigned long __addr, const void *src, unsigned long count)
{
void __iomem *addr = (void __iomem *) __addr;
+ u32 l, l2;
- if (count) {
- if ((((u64)src) & 0x3) == 0) {
- u32 *p = (u32 *)src;
- while (count--) {
- u32 val = cpu_to_le32p(p);
- outl(val, addr);
- p++;
- }
- } else {
- u8 *pb;
- u16 *ps = (u16 *)src;
- u32 l = 0, l2;
- u32 *pi;
-
- switch (((u64)src) & 0x3) {
- case 0x2:
- count -= 1;
- l = cpu_to_le16p(ps) << 16;
- ps++;
- pi = (u32 *)ps;
- while (count--) {
- l2 = cpu_to_le32p(pi);
- pi++;
- outl(((l >> 16) | (l2 << 16)), addr);
- l = l2;
- }
- ps = (u16 *)pi;
- l2 = cpu_to_le16p(ps);
- outl(((l >> 16) | (l2 << 16)), addr);
- break;
-
- case 0x1:
- count -= 1;
- pb = (u8 *)src;
- l = (*pb++ << 8);
- ps = (u16 *)pb;
- l2 = cpu_to_le16p(ps);
- ps++;
- l |= (l2 << 16);
- pi = (u32 *)ps;
- while (count--) {
- l2 = cpu_to_le32p(pi);
- pi++;
- outl(((l >> 8) | (l2 << 24)), addr);
- l = l2;
- }
- pb = (u8 *)pi;
- outl(((l >> 8) | (*pb << 24)), addr);
- break;
+ if (!count)
+ return;
- case 0x3:
- count -= 1;
- pb = (u8 *)src;
- l = (*pb++ << 24);
- pi = (u32 *)pb;
- while (count--) {
- l2 = cpu_to_le32p(pi);
- pi++;
- outl(((l >> 24) | (l2 << 8)), addr);
- l = l2;
- }
- ps = (u16 *)pi;
- l2 = cpu_to_le16p(ps);
- ps++;
- pb = (u8 *)ps;
- l2 |= (*pb << 16);
- outl(((l >> 24) | (l2 << 8)), addr);
- break;
- }
+ switch (((unsigned long)src) & 0x3) {
+ case 0x0:
+ /* src is naturally aligned */
+ while (count--) {
+ __raw_writel(*(u32 *)src, addr);
+ src += sizeof(u32);
+ }
+ break;
+ case 0x2:
+ /* 2-byte alignment */
+ while (count--) {
+ l = (*(u16 *)src) << 16;
+ l |= *(u16 *)(src + sizeof(u16));
+ __raw_writel(l, addr);
+ src += sizeof(u32);
+ }
+ break;
+ case 0x1:
+ /* Hold three bytes in l each time, grab a byte from l2 */
+ l = (*(u8 *)src) << 24;
+ l |= (*(u16 *)(src + sizeof(u8))) << 8;
+ src += sizeof(u8) + sizeof(u16);
+ while (count--) {
+ l2 = *(u32 *)src;
+ l |= (l2 >> 24);
+ __raw_writel(l, addr);
+ l = l2 << 8;
+ src += sizeof(u32);
+ }
+ break;
+ case 0x3:
+ /* Hold a byte in l each time, grab 3 bytes from l2 */
+ l = (*(u8 *)src) << 24;
+ src += sizeof(u8);
+ while (count--) {
+ l2 = *(u32 *)src;
+ l |= (l2 >> 8);
+ __raw_writel(l, addr);
+ l = l2 << 24;
+ src += sizeof(u32);
}
+ break;
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 14:50:28 +0000