diff options
Diffstat (limited to 'arch/m32r/platforms/oaks32r')
| -rw-r--r-- | arch/m32r/platforms/oaks32r/Makefile | 1 | ||||
| -rw-r--r-- | arch/m32r/platforms/oaks32r/io.c | 228 | ||||
| -rw-r--r-- | arch/m32r/platforms/oaks32r/setup.c | 135 |
3 files changed, 364 insertions, 0 deletions
diff --git a/arch/m32r/platforms/oaks32r/Makefile b/arch/m32r/platforms/oaks32r/Makefile new file mode 100644 index 00000000000..0de59084f21 --- /dev/null +++ b/arch/m32r/platforms/oaks32r/Makefile @@ -0,0 +1 @@ +obj-y := setup.o io.o diff --git a/arch/m32r/platforms/oaks32r/io.c b/arch/m32r/platforms/oaks32r/io.c new file mode 100644 index 00000000000..364a3b2e890 --- /dev/null +++ b/arch/m32r/platforms/oaks32r/io.c @@ -0,0 +1,228 @@ +/* + * linux/arch/m32r/platforms/oaks32r/io.c + * + * Typical I/O routines for OAKS32R board. + * + * Copyright (c) 2001-2005 Hiroyuki Kondo, Hirokazu Takata, + * Hitoshi Yamamoto, Mamoru Sakugawa + */ + +#include <asm/m32r.h> +#include <asm/page.h> +#include <asm/io.h> + +#define PORT2ADDR(port) _port2addr(port) + +static inline void *_port2addr(unsigned long port) +{ + return (void *)(port | NONCACHE_OFFSET); +} + +static inline void *_port2addr_ne(unsigned long port) +{ + return (void *)((port<<1) + NONCACHE_OFFSET + 0x02000000); +} + +static inline void delay(void) +{ + __asm__ __volatile__ ("push r0; \n\t pop r0;" : : :"memory"); +} + +/* + * NIC I/O function + */ + +#define PORT2ADDR_NE(port) _port2addr_ne(port) + +static inline unsigned char _ne_inb(void *portp) +{ + return *(volatile unsigned char *)(portp+1); +} + +static inline unsigned short _ne_inw(void *portp) +{ + unsigned short tmp; + + tmp = *(unsigned short *)(portp) & 0xff; + tmp |= *(unsigned short *)(portp+2) << 8; + return tmp; +} + +static inline void _ne_insb(void *portp, void *addr, unsigned long count) +{ + unsigned char *buf = addr; + while (count--) + *buf++ = *(volatile unsigned char *)(portp+1); +} + +static inline void _ne_outb(unsigned char b, void *portp) +{ + *(volatile unsigned char *)(portp+1) = b; +} + +static inline void _ne_outw(unsigned short w, void *portp) +{ + *(volatile unsigned short *)portp = (w >> 8); + *(volatile unsigned short *)(portp+2) = (w & 0xff); +} + +unsigned char _inb(unsigned long port) +{ + if (port >= 0x300 && port < 0x320) + return _ne_inb(PORT2ADDR_NE(port)); + + return *(volatile unsigned char *)PORT2ADDR(port); +} + +unsigned short _inw(unsigned long port) +{ + if (port >= 0x300 && port < 0x320) + return _ne_inw(PORT2ADDR_NE(port)); + + return *(volatile unsigned short *)PORT2ADDR(port); +} + +unsigned long _inl(unsigned long port) +{ + 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 >= 0x300 && port < 0x320) + _ne_outb(b, PORT2ADDR_NE(port)); + else + *(volatile unsigned char *)PORT2ADDR(port) = b; +} + +void _outw(unsigned short w, unsigned long port) +{ + if (port >= 0x300 && port < 0x320) + _ne_outw(w, PORT2ADDR_NE(port)); + else + *(volatile unsigned short *)PORT2ADDR(port) = w; +} + +void _outl(unsigned long l, unsigned long port) +{ + *(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 >= 0x300 && port < 0x320) + _ne_insb(PORT2ADDR_NE(port), addr, count); + 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 >= 0x300 && port < 0x320) { + portp = PORT2ADDR_NE(port); + while (count--) + *buf++ = _ne_inw(portp); + } 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 >= 0x300 && port < 0x320) { + portp = PORT2ADDR_NE(port); + while (count--) + _ne_outb(*buf++, portp); + } 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 >= 0x300 && port < 0x320) { + portp = PORT2ADDR_NE(port); + while (count--) + _ne_outw(*buf++, portp); + } 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++; +} diff --git a/arch/m32r/platforms/oaks32r/setup.c b/arch/m32r/platforms/oaks32r/setup.c new file mode 100644 index 00000000000..6faa5db68e9 --- /dev/null +++ b/arch/m32r/platforms/oaks32r/setup.c @@ -0,0 +1,135 @@ +/* + * linux/arch/m32r/platforms/oaks32r/setup.c + * + * Setup routines for OAKS32R Board + * + * Copyright (c) 2002-2005 Hiroyuki Kondo, Hirokazu Takata, + * Hitoshi Yamamoto, Mamoru Sakugawa + */ + +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/init.h> + +#include <asm/system.h> +#include <asm/m32r.h> +#include <asm/io.h> + +#define irq2port(x) (M32R_ICU_CR1_PORTL + ((x - 1) * sizeof(unsigned long))) + +icu_data_t icu_data[NR_IRQS]; + +static void disable_oaks32r_irq(unsigned int irq) +{ + unsigned long port, data; + + port = irq2port(irq); + data = icu_data[irq].icucr|M32R_ICUCR_ILEVEL7; + outl(data, port); +} + +static void enable_oaks32r_irq(unsigned int irq) +{ + unsigned long port, data; + + port = irq2port(irq); + data = icu_data[irq].icucr|M32R_ICUCR_IEN|M32R_ICUCR_ILEVEL6; + outl(data, port); +} + +static void mask_and_ack_mappi(unsigned int irq) +{ + disable_oaks32r_irq(irq); +} + +static void end_oaks32r_irq(unsigned int irq) +{ + enable_oaks32r_irq(irq); +} + +static unsigned int startup_oaks32r_irq(unsigned int irq) +{ + enable_oaks32r_irq(irq); + return (0); +} + +static void shutdown_oaks32r_irq(unsigned int irq) +{ + unsigned long port; + + port = irq2port(irq); + outl(M32R_ICUCR_ILEVEL7, port); +} + +static struct hw_interrupt_type oaks32r_irq_type = +{ + .typename = "OAKS32R-IRQ", + .startup = startup_oaks32r_irq, + .shutdown = shutdown_oaks32r_irq, + .enable = enable_oaks32r_irq, + .disable = disable_oaks32r_irq, + .ack = mask_and_ack_mappi, + .end = end_oaks32r_irq +}; + +void __init init_IRQ(void) +{ + static int once = 0; + + if (once) + return; + else + once++; + +#ifdef CONFIG_NE2000 + /* INT3 : LAN controller (RTL8019AS) */ + irq_desc[M32R_IRQ_INT3].status = IRQ_DISABLED; + irq_desc[M32R_IRQ_INT3].chip = &oaks32r_irq_type; + irq_desc[M32R_IRQ_INT3].action = 0; + irq_desc[M32R_IRQ_INT3].depth = 1; + icu_data[M32R_IRQ_INT3].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10; + disable_oaks32r_irq(M32R_IRQ_INT3); +#endif /* CONFIG_M32R_NE2000 */ + + /* MFT2 : system timer */ + irq_desc[M32R_IRQ_MFT2].status = IRQ_DISABLED; + irq_desc[M32R_IRQ_MFT2].chip = &oaks32r_irq_type; + irq_desc[M32R_IRQ_MFT2].action = 0; + irq_desc[M32R_IRQ_MFT2].depth = 1; + icu_data[M32R_IRQ_MFT2].icucr = M32R_ICUCR_IEN; + disable_oaks32r_irq(M32R_IRQ_MFT2); + +#ifdef CONFIG_SERIAL_M32R_SIO + /* SIO0_R : uart receive data */ + irq_desc[M32R_IRQ_SIO0_R].status = IRQ_DISABLED; + irq_desc[M32R_IRQ_SIO0_R].chip = &oaks32r_irq_type; + irq_desc[M32R_IRQ_SIO0_R].action = 0; + irq_desc[M32R_IRQ_SIO0_R].depth = 1; + icu_data[M32R_IRQ_SIO0_R].icucr = 0; + disable_oaks32r_irq(M32R_IRQ_SIO0_R); + + /* SIO0_S : uart send data */ + irq_desc[M32R_IRQ_SIO0_S].status = IRQ_DISABLED; + irq_desc[M32R_IRQ_SIO0_S].chip = &oaks32r_irq_type; + irq_desc[M32R_IRQ_SIO0_S].action = 0; + irq_desc[M32R_IRQ_SIO0_S].depth = 1; + icu_data[M32R_IRQ_SIO0_S].icucr = 0; + disable_oaks32r_irq(M32R_IRQ_SIO0_S); + + /* SIO1_R : uart receive data */ + irq_desc[M32R_IRQ_SIO1_R].status = IRQ_DISABLED; + irq_desc[M32R_IRQ_SIO1_R].chip = &oaks32r_irq_type; + irq_desc[M32R_IRQ_SIO1_R].action = 0; + irq_desc[M32R_IRQ_SIO1_R].depth = 1; + icu_data[M32R_IRQ_SIO1_R].icucr = 0; + disable_oaks32r_irq(M32R_IRQ_SIO1_R); + + /* SIO1_S : uart send data */ + irq_desc[M32R_IRQ_SIO1_S].status = IRQ_DISABLED; + irq_desc[M32R_IRQ_SIO1_S].chip = &oaks32r_irq_type; + irq_desc[M32R_IRQ_SIO1_S].action = 0; + irq_desc[M32R_IRQ_SIO1_S].depth = 1; + icu_data[M32R_IRQ_SIO1_S].icucr = 0; + disable_oaks32r_irq(M32R_IRQ_SIO1_S); +#endif /* CONFIG_SERIAL_M32R_SIO */ +} |