From 72eb1de2b03223a0c9d0e656ffd46d5c955e2b0b Mon Sep 17 00:00:00 2001 From: Paul Mundt Date: Mon, 18 Oct 2004 08:59:31 -0700 Subject: [PATCH] [PATCH] sh: EDOSK7705 board support This adds support for the edosk7705 board from Renesas. Signed-off-by: Paul Mundt Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/sh/boards/renesas/edosk7705/Makefile | 10 +++ arch/sh/boards/renesas/edosk7705/io.c | 94 +++++++++++++++++++++++ arch/sh/boards/renesas/edosk7705/setup.c | 60 +++++++++++++++ include/asm-sh/edosk7705/io.h | 30 ++++++++ 4 files changed, 194 insertions(+) create mode 100644 arch/sh/boards/renesas/edosk7705/Makefile create mode 100644 arch/sh/boards/renesas/edosk7705/io.c create mode 100644 arch/sh/boards/renesas/edosk7705/setup.c create mode 100644 include/asm-sh/edosk7705/io.h diff --git a/arch/sh/boards/renesas/edosk7705/Makefile b/arch/sh/boards/renesas/edosk7705/Makefile new file mode 100644 index 0000000000000..7fccbf2e4a1db --- /dev/null +++ b/arch/sh/boards/renesas/edosk7705/Makefile @@ -0,0 +1,10 @@ +# +# Makefile for the EDOSK7705 specific parts of the kernel +# +# Note! Dependencies are done automagically by 'make dep', which also +# removes any old dependencies. DON'T put your own dependencies here +# unless it's something special (ie not a .c file). +# + +obj-y := setup.o io.o + diff --git a/arch/sh/boards/renesas/edosk7705/io.c b/arch/sh/boards/renesas/edosk7705/io.c new file mode 100644 index 0000000000000..541cea2a652f3 --- /dev/null +++ b/arch/sh/boards/renesas/edosk7705/io.c @@ -0,0 +1,94 @@ +/* + * arch/sh/boards/renesas/edosk7705/io.c + * + * Copyright (C) 2001 Ian da Silva, Jeremy Siegel + * Based largely on io_se.c. + * + * I/O routines for Hitachi EDOSK7705 board. + * + */ + +#include +#include +#include +#include +#include + +#define SMC_IOADDR 0xA2000000 + +#define maybebadio(name,port) \ + printk("bad PC-like io %s for port 0x%lx at 0x%08x\n", \ + #name, (port), (__u32) __builtin_return_address(0)) + +/* Map the Ethernet addresses as if it is at 0x300 - 0x320 */ +unsigned long sh_edosk7705_isa_port2addr(unsigned long port) +{ + if (port >= 0x300 && port < 0x320) { + /* SMC91C96 registers are 4 byte aligned rather than the + * usual 2 byte! + */ + return SMC_IOADDR + ( (port - 0x300) * 2); + } + + maybebadio(sh_edosk7705_isa_port2addr, port); + return port; +} + +/* Trying to read / write bytes on odd-byte boundaries to the Ethernet + * registers causes problems. So we bit-shift the value and read / write + * in 2 byte chunks. Setting the low byte to 0 does not cause problems + * now as odd byte writes are only made on the bit mask / interrupt + * register. This may not be the case in future Mar-2003 SJD + */ +unsigned char sh_edosk7705_inb(unsigned long port) +{ + if (port >= 0x300 && port < 0x320 && port & 0x01) { + return (volatile unsigned char)(generic_inw(port -1) >> 8); + } + return *(volatile unsigned char *)sh_edosk7705_isa_port2addr(port); +} + +unsigned int sh_edosk7705_inl(unsigned long port) +{ + return *(volatile unsigned long *)port; +} + +void sh_edosk7705_outb(unsigned char value, unsigned long port) +{ + if (port >= 0x300 && port < 0x320 && port & 0x01) { + generic_outw(((unsigned short)value << 8), port -1); + return; + } + *(volatile unsigned char *)sh_edosk7705_isa_port2addr(port) = value; +} + +void sh_edosk7705_outl(unsigned int value, unsigned long port) +{ + *(volatile unsigned long *)port = value; +} + +void sh_edosk7705_insb(unsigned long port, void *addr, unsigned long count) +{ + unsigned char *p = addr; + while (count--) *p++ = sh_edosk7705_inb(port); +} + +void sh_edosk7705_insl(unsigned long port, void *addr, unsigned long count) +{ + unsigned long *p = (unsigned long*)addr; + while (count--) + *p++ = *(volatile unsigned long *)port; +} + +void sh_edosk7705_outsb(unsigned long port, const void *addr, unsigned long count) +{ + unsigned char *p = (unsigned char*)addr; + while (count--) sh_edosk7705_outb(*p++, port); +} + +void sh_edosk7705_outsl(unsigned long port, const void *addr, unsigned long count) +{ + unsigned long *p = (unsigned long*)addr; + while (count--) sh_edosk7705_outl(*p++, port); +} + diff --git a/arch/sh/boards/renesas/edosk7705/setup.c b/arch/sh/boards/renesas/edosk7705/setup.c new file mode 100644 index 0000000000000..8b6f0c2af092c --- /dev/null +++ b/arch/sh/boards/renesas/edosk7705/setup.c @@ -0,0 +1,60 @@ +/* + * arch/sh/boards/renesas/edosk7705/setup.c + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Hitachi SolutionEngine Support. + * + * Modified for edosk7705 development + * board by S. Dunn, 2003. + */ + +#include +#include +#include +#include +#include + +static void init_edosk7705(void); + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_edosk7705 __initmv = { + .mv_nr_irqs = 80, + + .mv_inb = sh_edosk7705_inb, + .mv_inl = sh_edosk7705_inl, + .mv_outb = sh_edosk7705_outb, + .mv_outl = sh_edosk7705_outl, + + .mv_inl_p = sh_edosk7705_inl, + .mv_outl_p = sh_edosk7705_outl, + + .mv_insb = sh_edosk7705_insb, + .mv_insl = sh_edosk7705_insl, + .mv_outsb = sh_edosk7705_outsb, + .mv_outsl = sh_edosk7705_outsl, + + .mv_isa_port2addr = sh_edosk7705_isa_port2addr, + .mv_init_irq = init_edosk7705, +}; +ALIAS_MV(edosk7705) + +static void __init init_edosk7705(void) +{ + /* This is the Ethernet interrupt */ + make_imask_irq(0x09); +} + +const char *get_system_type(void) +{ + return "EDOSK7705"; +} + +void __init platform_setup(void) +{ + /* Nothing .. */ +} + diff --git a/include/asm-sh/edosk7705/io.h b/include/asm-sh/edosk7705/io.h new file mode 100644 index 0000000000000..a1089a65bc367 --- /dev/null +++ b/include/asm-sh/edosk7705/io.h @@ -0,0 +1,30 @@ +/* + * include/asm-sh/edosk7705/io.h + * + * Modified version of io_se.h for the EDOSK7705 specific functions. + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * IO functions for an Hitachi EDOSK7705 development board + */ + +#ifndef __ASM_SH_EDOSK7705_IO_H +#define __ASM_SH_EDOSK7705_IO_H + +#include + +extern unsigned char sh_edosk7705_inb(unsigned long port); +extern unsigned int sh_edosk7705_inl(unsigned long port); + +extern void sh_edosk7705_outb(unsigned char value, unsigned long port); +extern void sh_edosk7705_outl(unsigned int value, unsigned long port); + +extern void sh_edosk7705_insb(unsigned long port, void *addr, unsigned long count); +extern void sh_edosk7705_insl(unsigned long port, void *addr, unsigned long count); +extern void sh_edosk7705_outsb(unsigned long port, const void *addr, unsigned long count); +extern void sh_edosk7705_outsl(unsigned long port, const void *addr, unsigned long count); + +extern unsigned long sh_edosk7705_isa_port2addr(unsigned long offset); + +#endif /* __ASM_SH_EDOSK7705_IO_H */ -- 2.53.0