diff options
Diffstat (limited to 'arch/m32r/kernel/io_usrv.c')
| -rw-r--r-- | arch/m32r/kernel/io_usrv.c | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/arch/m32r/kernel/io_usrv.c b/arch/m32r/kernel/io_usrv.c deleted file mode 100644 index a8c0e2eceb4d..000000000000 --- a/arch/m32r/kernel/io_usrv.c +++ /dev/null @@ -1,225 +0,0 @@ -/* - * linux/arch/m32r/kernel/io_usrv.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/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++; -} |