diff options
Diffstat (limited to 'arch/sh/boards/mach-snapgear')
| -rw-r--r-- | arch/sh/boards/mach-snapgear/Makefile | 5 | ||||
| -rw-r--r-- | arch/sh/boards/mach-snapgear/io.c | 137 | ||||
| -rw-r--r-- | arch/sh/boards/mach-snapgear/setup.c | 95 |
3 files changed, 237 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-snapgear/Makefile b/arch/sh/boards/mach-snapgear/Makefile new file mode 100644 index 000000000000..d2d2f4b6a502 --- /dev/null +++ b/arch/sh/boards/mach-snapgear/Makefile @@ -0,0 +1,5 @@ +# +# Makefile for the SnapGear specific parts of the kernel +# + +obj-y := setup.o io.o diff --git a/arch/sh/boards/mach-snapgear/io.c b/arch/sh/boards/mach-snapgear/io.c new file mode 100644 index 000000000000..0f4824264557 --- /dev/null +++ b/arch/sh/boards/mach-snapgear/io.c @@ -0,0 +1,137 @@ +/* + * Copyright (C) 2002 David McCullough <davidm@snapgear.com> + * Copyright (C) 2001 Ian da Silva, Jeremy Siegel + * Based largely on io_se.c. + * + * I/O routine for Hitachi 7751 SolutionEngine. + * + * Initial version only to support LAN access; some + * placeholder code from io_se.c left in with the + * expectation of later SuperIO and PCMCIA access. + */ +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/pci.h> +#include <asm/io.h> +#include <asm/addrspace.h> + +#ifdef CONFIG_SH_SECUREEDGE5410 +unsigned short secureedge5410_ioport; +#endif + +static inline volatile __u16 *port2adr(unsigned int port) +{ + maybebadio((unsigned long)port); + return (volatile __u16*)port; +} + +/* + * General outline: remap really low stuff [eventually] to SuperIO, + * stuff in PCI IO space (at or above window at pci.h:PCIBIOS_MIN_IO) + * is mapped through the PCI IO window. Stuff with high bits (PXSEG) + * should be way beyond the window, and is used w/o translation for + * compatibility. + */ +unsigned char snapgear_inb(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned char *)port; + else if (is_pci_ioaddr(port)) + return *(volatile unsigned char *)pci_ioaddr(port); + else + return (*port2adr(port)) & 0xff; +} + +unsigned char snapgear_inb_p(unsigned long port) +{ + unsigned char v; + + if (PXSEG(port)) + v = *(volatile unsigned char *)port; + else if (is_pci_ioaddr(port)) + v = *(volatile unsigned char *)pci_ioaddr(port); + else + v = (*port2adr(port))&0xff; + ctrl_delay(); + return v; +} + +unsigned short snapgear_inw(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned short *)port; + else if (is_pci_ioaddr(port)) + return *(volatile unsigned short *)pci_ioaddr(port); + else if (port >= 0x2000) + return *port2adr(port); + else + maybebadio(port); + return 0; +} + +unsigned int snapgear_inl(unsigned long port) +{ + if (PXSEG(port)) + return *(volatile unsigned long *)port; + else if (is_pci_ioaddr(port)) + return *(volatile unsigned int *)pci_ioaddr(port); + else if (port >= 0x2000) + return *port2adr(port); + else + maybebadio(port); + return 0; +} + +void snapgear_outb(unsigned char value, unsigned long port) +{ + + if (PXSEG(port)) + *(volatile unsigned char *)port = value; + else if (is_pci_ioaddr(port)) + *((unsigned char*)pci_ioaddr(port)) = value; + else + *(port2adr(port)) = value; +} + +void snapgear_outb_p(unsigned char value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned char *)port = value; + else if (is_pci_ioaddr(port)) + *((unsigned char*)pci_ioaddr(port)) = value; + else + *(port2adr(port)) = value; + ctrl_delay(); +} + +void snapgear_outw(unsigned short value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned short *)port = value; + else if (is_pci_ioaddr(port)) + *((unsigned short *)pci_ioaddr(port)) = value; + else if (port >= 0x2000) + *port2adr(port) = value; + else + maybebadio(port); +} + +void snapgear_outl(unsigned int value, unsigned long port) +{ + if (PXSEG(port)) + *(volatile unsigned long *)port = value; + else if (is_pci_ioaddr(port)) + *((unsigned long*)pci_ioaddr(port)) = value; + else + maybebadio(port); +} + +void snapgear_insl(unsigned long port, void *addr, unsigned long count) +{ + maybebadio(port); +} + +void snapgear_outsl(unsigned long port, const void *addr, unsigned long count) +{ + maybebadio(port); +} diff --git a/arch/sh/boards/mach-snapgear/setup.c b/arch/sh/boards/mach-snapgear/setup.c new file mode 100644 index 000000000000..a5e349d3dda2 --- /dev/null +++ b/arch/sh/boards/mach-snapgear/setup.c @@ -0,0 +1,95 @@ +/* + * linux/arch/sh/boards/snapgear/setup.c + * + * Copyright (C) 2002 David McCullough <davidm@snapgear.com> + * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org> + * + * Based on files with the following comments: + * + * Copyright (C) 2000 Kazumoto Kojima + * + * Modified for 7751 Solution Engine by + * Ian da Silva and Jeremy Siegel, 2001. + */ +#include <linux/init.h> +#include <linux/irq.h> +#include <linux/interrupt.h> +#include <linux/timer.h> +#include <linux/delay.h> +#include <linux/module.h> +#include <linux/sched.h> +#include <asm/machvec.h> +#include <asm/snapgear.h> +#include <asm/irq.h> +#include <asm/io.h> +#include <cpu/timer.h> + +/* + * EraseConfig handling functions + */ + +static irqreturn_t eraseconfig_interrupt(int irq, void *dev_id) +{ + (void)ctrl_inb(0xb8000000); /* dummy read */ + + printk("SnapGear: erase switch interrupt!\n"); + + return IRQ_HANDLED; +} + +static int __init eraseconfig_init(void) +{ + printk("SnapGear: EraseConfig init\n"); + /* Setup "EraseConfig" switch on external IRQ 0 */ + if (request_irq(IRL0_IRQ, eraseconfig_interrupt, IRQF_DISABLED, + "Erase Config", NULL)) + printk("SnapGear: failed to register IRQ%d for Reset witch\n", + IRL0_IRQ); + else + printk("SnapGear: registered EraseConfig switch on IRQ%d\n", + IRL0_IRQ); + return(0); +} + +module_init(eraseconfig_init); + +/****************************************************************************/ +/* + * Initialize IRQ setting + * + * IRL0 = erase switch + * IRL1 = eth0 + * IRL2 = eth1 + * IRL3 = crypto + */ + +static void __init init_snapgear_IRQ(void) +{ + printk("Setup SnapGear IRQ/IPR ...\n"); + /* enable individual interrupt mode for externals */ + plat_irq_setup_pins(IRQ_MODE_IRQ); +} + +/* + * The Machine Vector + */ +static struct sh_machine_vector mv_snapgear __initmv = { + .mv_name = "SnapGear SecureEdge5410", + .mv_nr_irqs = 72, + + .mv_inb = snapgear_inb, + .mv_inw = snapgear_inw, + .mv_inl = snapgear_inl, + .mv_outb = snapgear_outb, + .mv_outw = snapgear_outw, + .mv_outl = snapgear_outl, + + .mv_inb_p = snapgear_inb_p, + .mv_inw_p = snapgear_inw, + .mv_inl_p = snapgear_inl, + .mv_outb_p = snapgear_outb_p, + .mv_outw_p = snapgear_outw, + .mv_outl_p = snapgear_outl, + + .mv_init_irq = init_snapgear_IRQ, +}; |
