m32r: Rearrange platform-dependent codes
Rearrange platform-dependent codes from arch/m32r/kernel/*.c
to arch/m32r/platforms/{platform}/.
Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>
diff --git a/arch/m32r/platforms/usrv/io.c b/arch/m32r/platforms/usrv/io.c
new file mode 100644
index 0000000..f5e50d3
--- /dev/null
+++ b/arch/m32r/platforms/usrv/io.c
@@ -0,0 +1,225 @@
+/*
+ * linux/arch/m32r/platforms/usrv/io.c
+ *
+ * Typical I/O routines for uServer board.
+ *
+ * Copyright (c) 2001-2005 Hiroyuki Kondo, Hirokazu Takata,
+ * Hitoshi Yamamoto, Takeo Takahashi
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ */
+
+#include <asm/m32r.h>
+#include <asm/page.h>
+#include <asm/io.h>
+
+#include <linux/types.h>
+#include "../../../../drivers/pcmcia/m32r_cfc.h"
+
+extern void pcc_ioread_byte(int, unsigned long, void *, size_t, size_t, int);
+extern void pcc_ioread_word(int, unsigned long, void *, size_t, size_t, int);
+extern void pcc_iowrite_byte(int, unsigned long, void *, size_t, size_t, int);
+extern void pcc_iowrite_word(int, unsigned long, void *, size_t, size_t, int);
+#define CFC_IOSTART CFC_IOPORT_BASE
+#define CFC_IOEND (CFC_IOSTART + (M32R_PCC_MAPSIZE * M32R_MAX_PCC) - 1)
+
+#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
+#define UART0_REGSTART 0x04c20000
+#define UART1_REGSTART 0x04c20100
+#define UART_IOMAP_SIZE 8
+#define UART0_IOSTART 0x3f8
+#define UART0_IOEND (UART0_IOSTART + UART_IOMAP_SIZE - 1)
+#define UART1_IOSTART 0x2f8
+#define UART1_IOEND (UART1_IOSTART + UART_IOMAP_SIZE - 1)
+#endif /* CONFIG_SERIAL_8250 || CONFIG_SERIAL_8250_MODULE */
+
+#define PORT2ADDR(port) _port2addr(port)
+
+static inline void *_port2addr(unsigned long port)
+{
+#if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
+ if (port >= UART0_IOSTART && port <= UART0_IOEND)
+ port = ((port - UART0_IOSTART) << 1) + UART0_REGSTART;
+ else if (port >= UART1_IOSTART && port <= UART1_IOEND)
+ port = ((port - UART1_IOSTART) << 1) + UART1_REGSTART;
+#endif /* CONFIG_SERIAL_8250 || CONFIG_SERIAL_8250_MODULE */
+ return (void *)(port | (NONCACHE_OFFSET));
+}
+
+static inline void delay(void)
+{
+ __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory");
+}
+
+unsigned char _inb(unsigned long port)
+{
+ if (port >= CFC_IOSTART && port <= CFC_IOEND) {
+ unsigned char b;
+ pcc_ioread_byte(0, port, &b, sizeof(b), 1, 0);
+ return b;
+ } else
+ return *(volatile unsigned char *)PORT2ADDR(port);
+}
+
+unsigned short _inw(unsigned long port)
+{
+ if (port >= CFC_IOSTART && port <= CFC_IOEND) {
+ unsigned short w;
+ pcc_ioread_word(0, port, &w, sizeof(w), 1, 0);
+ return w;
+ } else
+ return *(volatile unsigned short *)PORT2ADDR(port);
+}
+
+unsigned long _inl(unsigned long port)
+{
+ if (port >= CFC_IOSTART && port <= CFC_IOEND) {
+ unsigned long l;
+ pcc_ioread_word(0, port, &l, sizeof(l), 1, 0);
+ return l;
+ } else
+ return *(volatile unsigned long *)PORT2ADDR(port);
+}
+
+unsigned char _inb_p(unsigned long port)
+{
+ unsigned char v = _inb(port);
+ delay();
+ return v;
+}
+
+unsigned short _inw_p(unsigned long port)
+{
+ unsigned short v = _inw(port);
+ delay();
+ return v;
+}
+
+unsigned long _inl_p(unsigned long port)
+{
+ unsigned long v = _inl(port);
+ delay();
+ return v;
+}
+
+void _outb(unsigned char b, unsigned long port)
+{
+ if (port >= CFC_IOSTART && port <= CFC_IOEND)
+ pcc_iowrite_byte(0, port, &b, sizeof(b), 1, 0);
+ else
+ *(volatile unsigned char *)PORT2ADDR(port) = b;
+}
+
+void _outw(unsigned short w, unsigned long port)
+{
+ if (port >= CFC_IOSTART && port <= CFC_IOEND)
+ pcc_iowrite_word(0, port, &w, sizeof(w), 1, 0);
+ else
+ *(volatile unsigned short *)PORT2ADDR(port) = w;
+}
+
+void _outl(unsigned long l, unsigned long port)
+{
+ if (port >= CFC_IOSTART && port <= CFC_IOEND)
+ pcc_iowrite_word(0, port, &l, sizeof(l), 1, 0);
+ else
+ *(volatile unsigned long *)PORT2ADDR(port) = l;
+}
+
+void _outb_p(unsigned char b, unsigned long port)
+{
+ _outb(b, port);
+ delay();
+}
+
+void _outw_p(unsigned short w, unsigned long port)
+{
+ _outw(w, port);
+ delay();
+}
+
+void _outl_p(unsigned long l, unsigned long port)
+{
+ _outl(l, port);
+ delay();
+}
+
+void _insb(unsigned int port, void * addr, unsigned long count)
+{
+ if (port >= CFC_IOSTART && port <= CFC_IOEND)
+ pcc_ioread_byte(0, port, addr, sizeof(unsigned char), count, 1);
+ else {
+ unsigned char *buf = addr;
+ unsigned char *portp = PORT2ADDR(port);
+ while (count--)
+ *buf++ = *(volatile unsigned char *)portp;
+ }
+}
+
+void _insw(unsigned int port, void * addr, unsigned long count)
+{
+ unsigned short *buf = addr;
+ unsigned short *portp;
+
+ if (port >= CFC_IOSTART && port <= CFC_IOEND)
+ pcc_ioread_word(0, port, addr, sizeof(unsigned short), count,
+ 1);
+ else {
+ portp = PORT2ADDR(port);
+ while (count--)
+ *buf++ = *(volatile unsigned short *)portp;
+ }
+}
+
+void _insl(unsigned int port, void * addr, unsigned long count)
+{
+ unsigned long *buf = addr;
+ unsigned long *portp;
+
+ portp = PORT2ADDR(port);
+ while (count--)
+ *buf++ = *(volatile unsigned long *)portp;
+}
+
+void _outsb(unsigned int port, const void * addr, unsigned long count)
+{
+ const unsigned char *buf = addr;
+ unsigned char *portp;
+
+ if (port >= CFC_IOSTART && port <= CFC_IOEND)
+ pcc_iowrite_byte(0, port, (void *)addr, sizeof(unsigned char),
+ count, 1);
+ else {
+ portp = PORT2ADDR(port);
+ while (count--)
+ *(volatile unsigned char *)portp = *buf++;
+ }
+}
+
+void _outsw(unsigned int port, const void * addr, unsigned long count)
+{
+ const unsigned short *buf = addr;
+ unsigned short *portp;
+
+ if (port >= CFC_IOSTART && port <= CFC_IOEND)
+ pcc_iowrite_word(0, port, (void *)addr, sizeof(unsigned short),
+ count, 1);
+ else {
+ portp = PORT2ADDR(port);
+ while (count--)
+ *(volatile unsigned short *)portp = *buf++;
+ }
+}
+
+void _outsl(unsigned int port, const void * addr, unsigned long count)
+{
+ const unsigned long *buf = addr;
+ unsigned char *portp;
+
+ portp = PORT2ADDR(port);
+ while (count--)
+ *(volatile unsigned long *)portp = *buf++;
+}