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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 10:53:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-01 10:53:43 -0700
commit00e9028a95fb8a4d79f2fb695a853f33ea7d3b57 (patch)
tree2dea2ae498a6ce57de8890e87185aca5e9f3ad2d /arch/sh/boards/mach-snapgear
parent57b1494d2ba544c62673234da6115c21fac27ffc (diff)
parent7cb93181629c613ee2b8f4ffe3446f8003074842 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (28 commits) mm/hugetlb.c must #include <asm/io.h> video: Fix up hp6xx driver build regressions. sh: defconfig updates. sh: Kill off stray mach-rsk7203 reference. serial: sh-sci: Fix up SH7760/SH7780/SH7785 early printk regression. sh: Move out individual boards without mach groups. sh: Make sure AT_SYSINFO_EHDR is exposed to userspace in asm/auxvec.h. sh: Allow SH-3 and SH-5 to use common headers. sh: Provide common CPU headers, prune the SH-2 and SH-2A directories. sh/maple: clean maple bus code sh: More header path fixups for mach dir refactoring. sh: Move out the solution engine headers to arch/sh/include/mach-se/ sh: I2C fix for AP325RXA and Migo-R sh: Shuffle the board directories in to mach groups. sh: dma-sh: Fix up dreamcast dma.h mach path. sh: Switch KBUILD_DEFCONFIG to shx3_defconfig. sh: Add ARCH_DEFCONFIG entries for sh and sh64. sh: Fix compile error of Solution Engine sh: Proper __put_user_asm() size mismatch fix. sh: Stub in a dummy ENTRY_OFFSET for uImage offset calculation. ...
Diffstat (limited to 'arch/sh/boards/mach-snapgear')
-rw-r--r--arch/sh/boards/mach-snapgear/Makefile5
-rw-r--r--arch/sh/boards/mach-snapgear/io.c137
-rw-r--r--arch/sh/boards/mach-snapgear/setup.c95
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 00000000000..d2d2f4b6a50
--- /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 00000000000..0f482426455
--- /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 00000000000..a5e349d3dda
--- /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,
+};