ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/arch/sparc/lib/PeeCeeI.c b/marvell/linux/arch/sparc/lib/PeeCeeI.c
new file mode 100644
index 0000000..cde4c9a
--- /dev/null
+++ b/marvell/linux/arch/sparc/lib/PeeCeeI.c
@@ -0,0 +1,212 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PeeCeeI.c: The emerging standard...
+ *
+ * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
+ */
+
+#include <linux/module.h>
+
+#include <asm/io.h>
+#include <asm/byteorder.h>
+
+void outsb(unsigned long __addr, const void *src, unsigned long count)
+{
+ void __iomem *addr = (void __iomem *) __addr;
+ const u8 *p = src;
+
+ while (count--)
+ __raw_writeb(*p++, addr);
+}
+EXPORT_SYMBOL(outsb);
+
+void outsw(unsigned long __addr, const void *src, unsigned long count)
+{
+ void __iomem *addr = (void __iomem *) __addr;
+
+ while (count--) {
+ __raw_writew(*(u16 *)src, addr);
+ src += sizeof(u16);
+ }
+}
+EXPORT_SYMBOL(outsw);
+
+void outsl(unsigned long __addr, const void *src, unsigned long count)
+{
+ void __iomem *addr = (void __iomem *) __addr;
+ u32 l, l2;
+
+ if (!count)
+ return;
+
+ 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;
+ }
+}
+EXPORT_SYMBOL(outsl);
+
+void insb(unsigned long __addr, void *dst, unsigned long count)
+{
+ void __iomem *addr = (void __iomem *) __addr;
+
+ if (count) {
+ u32 *pi;
+ u8 *pb = dst;
+
+ while ((((unsigned long)pb) & 0x3) && count--)
+ *pb++ = __raw_readb(addr);
+ pi = (u32 *)pb;
+ while (count >= 4) {
+ u32 w;
+
+ w = (__raw_readb(addr) << 24);
+ w |= (__raw_readb(addr) << 16);
+ w |= (__raw_readb(addr) << 8);
+ w |= (__raw_readb(addr) << 0);
+ *pi++ = w;
+ count -= 4;
+ }
+ pb = (u8 *)pi;
+ while (count--)
+ *pb++ = __raw_readb(addr);
+ }
+}
+EXPORT_SYMBOL(insb);
+
+void insw(unsigned long __addr, void *dst, unsigned long count)
+{
+ void __iomem *addr = (void __iomem *) __addr;
+
+ if (count) {
+ u16 *ps = dst;
+ u32 *pi;
+
+ if (((unsigned long)ps) & 0x2) {
+ *ps++ = __raw_readw(addr);
+ count--;
+ }
+ pi = (u32 *)ps;
+ while (count >= 2) {
+ u32 w;
+
+ w = __raw_readw(addr) << 16;
+ w |= __raw_readw(addr) << 0;
+ *pi++ = w;
+ count -= 2;
+ }
+ ps = (u16 *)pi;
+ if (count)
+ *ps = __raw_readw(addr);
+ }
+}
+EXPORT_SYMBOL(insw);
+
+void insl(unsigned long __addr, void *dst, unsigned long count)
+{
+ void __iomem *addr = (void __iomem *) __addr;
+
+ if (count) {
+ if ((((unsigned long)dst) & 0x3) == 0) {
+ u32 *pi = dst;
+ while (count--)
+ *pi++ = __raw_readl(addr);
+ } else {
+ u32 l = 0, l2, *pi;
+ u16 *ps;
+ u8 *pb;
+
+ switch (((unsigned long)dst) & 3) {
+ case 0x2:
+ ps = dst;
+ count -= 1;
+ l = __raw_readl(addr);
+ *ps++ = l;
+ pi = (u32 *)ps;
+ while (count--) {
+ l2 = __raw_readl(addr);
+ *pi++ = (l << 16) | (l2 >> 16);
+ l = l2;
+ }
+ ps = (u16 *)pi;
+ *ps = l;
+ break;
+
+ case 0x1:
+ pb = dst;
+ count -= 1;
+ l = __raw_readl(addr);
+ *pb++ = l >> 24;
+ ps = (u16 *)pb;
+ *ps++ = ((l >> 8) & 0xffff);
+ pi = (u32 *)ps;
+ while (count--) {
+ l2 = __raw_readl(addr);
+ *pi++ = (l << 24) | (l2 >> 8);
+ l = l2;
+ }
+ pb = (u8 *)pi;
+ *pb = l;
+ break;
+
+ case 0x3:
+ pb = (u8 *)dst;
+ count -= 1;
+ l = __raw_readl(addr);
+ *pb++ = l >> 24;
+ pi = (u32 *)pb;
+ while (count--) {
+ l2 = __raw_readl(addr);
+ *pi++ = (l << 8) | (l2 >> 24);
+ l = l2;
+ }
+ ps = (u16 *)pi;
+ *ps++ = ((l >> 8) & 0xffff);
+ pb = (u8 *)ps;
+ *pb = l;
+ break;
+ }
+ }
+ }
+}
+EXPORT_SYMBOL(insl);
+