Merge http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm into for-rmk

5 files changed, 417 insertions, 0 deletions

diff --git a/arch/sh/boards/mach-se/7751/Makefile b/arch/sh/boards/mach-se/7751/Makefile
new file mode 100644
index 000000000000..dbc29f3a9de5
--- /dev/null
+++ b/arch/sh/boards/mach-se/7751/Makefile
@@ -0,0 +1,7 @@
+#
+# Makefile for the 7751 SolutionEngine specific parts of the kernel
+#
+
+obj-y	 := setup.o io.o irq.o
+
+obj-$(CONFIG_PCI) += pci.o
diff --git a/arch/sh/boards/mach-se/7751/io.c b/arch/sh/boards/mach-se/7751/io.c
new file mode 100644
index 000000000000..6287ae570319
--- /dev/null
+++ b/arch/sh/boards/mach-se/7751/io.c
@@ -0,0 +1,135 @@
+/*
+ * 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 <mach-se/mach/se7751.h>
+#include <asm/addrspace.h>
+
+static inline volatile u16 *port2adr(unsigned int port)
+{
+	if (port >= 0x2000)
+		return (volatile __u16 *) (PA_MRSHPC + (port - 0x2000));
+	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 sh7751se_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 sh7751se_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 sh7751se_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 sh7751se_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 sh7751se_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 sh7751se_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 sh7751se_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 sh7751se_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 sh7751se_insl(unsigned long port, void *addr, unsigned long count)
+{
+	maybebadio(port);
+}
+
+void sh7751se_outsl(unsigned long port, const void *addr, unsigned long count)
+{
+	maybebadio(port);
+}
diff --git a/arch/sh/boards/mach-se/7751/irq.c b/arch/sh/boards/mach-se/7751/irq.c
new file mode 100644
index 000000000000..5c9847ea1e7c
--- /dev/null
+++ b/arch/sh/boards/mach-se/7751/irq.c
@@ -0,0 +1,50 @@
+/*
+ * linux/arch/sh/boards/se/7751/irq.c
+ *
+ * Copyright (C) 2000  Kazumoto Kojima
+ *
+ * Hitachi SolutionEngine Support.
+ *
+ * Modified for 7751 Solution Engine by
+ * Ian da Silva and Jeremy Siegel, 2001.
+ */
+
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <asm/irq.h>
+#include <mach-se/mach/se7751.h>
+
+static struct ipr_data ipr_irq_table[] = {
+	{ 13, 3, 3, 2 },
+	/* Add additional entries here as drivers are added and tested. */
+};
+
+static unsigned long ipr_offsets[] = {
+	BCR_ILCRA,
+	BCR_ILCRB,
+	BCR_ILCRC,
+	BCR_ILCRD,
+	BCR_ILCRE,
+	BCR_ILCRF,
+	BCR_ILCRG,
+};
+
+static struct ipr_desc ipr_irq_desc = {
+	.ipr_offsets	= ipr_offsets,
+	.nr_offsets	= ARRAY_SIZE(ipr_offsets),
+
+	.ipr_data	= ipr_irq_table,
+	.nr_irqs	= ARRAY_SIZE(ipr_irq_table),
+
+	.chip = {
+		.name	= "IPR-se7751",
+	},
+};
+
+/*
+ * Initialize IRQ setting
+ */
+void __init init_7751se_IRQ(void)
+{
+	register_ipr_controller(&ipr_irq_desc);
+}
diff --git a/arch/sh/boards/mach-se/7751/pci.c b/arch/sh/boards/mach-se/7751/pci.c
new file mode 100644
index 000000000000..203b2923fe7f
--- /dev/null
+++ b/arch/sh/boards/mach-se/7751/pci.c
@@ -0,0 +1,147 @@
+/*
+ * linux/arch/sh/boards/se/7751/pci.c
+ *
+ * Author:  Ian DaSilva (idasilva@mvista.com)
+ *
+ * Highly leveraged from pci-bigsur.c, written by Dustin McIntire.
+ *
+ * May be copied or modified under the terms of the GNU General Public
+ * License.  See linux/COPYING for more information.
+ *
+ * PCI initialization for the Hitachi SH7751 Solution Engine board (MS7751SE01)
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/pci.h>
+
+#include <asm/io.h>
+#include "../../../drivers/pci/pci-sh7751.h"
+
+#define PCIMCR_MRSET_OFF	0xBFFFFFFF
+#define PCIMCR_RFSH_OFF		0xFFFFFFFB
+
+/*
+ * Only long word accesses of the PCIC's internal local registers and the
+ * configuration registers from the CPU is supported.
+ */
+#define PCIC_WRITE(x,v) writel((v), PCI_REG(x))
+#define PCIC_READ(x) readl(PCI_REG(x))
+
+/*
+ * Description:  This function sets up and initializes the pcic, sets
+ * up the BARS, maps the DRAM into the address space etc, etc.
+ */
+int __init pcibios_init_platform(void)
+{
+   unsigned long bcr1, wcr1, wcr2, wcr3, mcr;
+   unsigned short bcr2;
+
+   /*
+    * Initialize the slave bus controller on the pcic.  The values used
+    * here should not be hardcoded, but they should be taken from the bsc
+    * on the processor, to make this function as generic as possible.
+    * (i.e. Another sbc may usr different SDRAM timing settings -- in order
+    * for the pcic to work, its settings need to be exactly the same.)
+    */
+   bcr1 = (*(volatile unsigned long*)(SH7751_BCR1));
+   bcr2 = (*(volatile unsigned short*)(SH7751_BCR2));
+   wcr1 = (*(volatile unsigned long*)(SH7751_WCR1));
+   wcr2 = (*(volatile unsigned long*)(SH7751_WCR2));
+   wcr3 = (*(volatile unsigned long*)(SH7751_WCR3));
+   mcr = (*(volatile unsigned long*)(SH7751_MCR));
+
+   bcr1 = bcr1 | 0x00080000;  /* Enable Bit 19, BREQEN */
+   (*(volatile unsigned long*)(SH7751_BCR1)) = bcr1;   
+
+   bcr1 = bcr1 | 0x40080000;  /* Enable Bit 19 BREQEN, set PCIC to slave */
+   PCIC_WRITE(SH7751_PCIBCR1, bcr1);	 /* PCIC BCR1 */
+   PCIC_WRITE(SH7751_PCIBCR2, bcr2);     /* PCIC BCR2 */
+   PCIC_WRITE(SH7751_PCIWCR1, wcr1);     /* PCIC WCR1 */
+   PCIC_WRITE(SH7751_PCIWCR2, wcr2);     /* PCIC WCR2 */
+   PCIC_WRITE(SH7751_PCIWCR3, wcr3);     /* PCIC WCR3 */
+   mcr = (mcr & PCIMCR_MRSET_OFF) & PCIMCR_RFSH_OFF;
+   PCIC_WRITE(SH7751_PCIMCR, mcr);      /* PCIC MCR */
+
+
+   /* Enable all interrupts, so we know what to fix */
+   PCIC_WRITE(SH7751_PCIINTM, 0x0000c3ff);
+   PCIC_WRITE(SH7751_PCIAINTM, 0x0000380f);
+
+   /* Set up standard PCI config registers */
+   PCIC_WRITE(SH7751_PCICONF1, 	0xF39000C7); /* Bus Master, Mem & I/O access */
+   PCIC_WRITE(SH7751_PCICONF2, 	0x00000000); /* PCI Class code & Revision ID */
+   PCIC_WRITE(SH7751_PCICONF4, 	0xab000001); /* PCI I/O address (local regs) */
+   PCIC_WRITE(SH7751_PCICONF5, 	0x0c000000); /* PCI MEM address (local RAM)  */
+   PCIC_WRITE(SH7751_PCICONF6, 	0xd0000000); /* PCI MEM address (unused)     */
+   PCIC_WRITE(SH7751_PCICONF11, 0x35051054); /* PCI Subsystem ID & Vendor ID */
+   PCIC_WRITE(SH7751_PCILSR0, 0x03f00000);   /* MEM (full 64M exposed)       */
+   PCIC_WRITE(SH7751_PCILSR1, 0x00000000);   /* MEM (unused)                 */
+   PCIC_WRITE(SH7751_PCILAR0, 0x0c000000);   /* MEM (direct map from PCI)    */
+   PCIC_WRITE(SH7751_PCILAR1, 0x00000000);   /* MEM (unused)                 */
+
+   /* Now turn it on... */
+   PCIC_WRITE(SH7751_PCICR, 0xa5000001);
+
+   /*
+    * Set PCIMBR and PCIIOBR here, assuming a single window
+    * (16M MEM, 256K IO) is enough.  If a larger space is
+    * needed, the readx/writex and inx/outx functions will
+    * have to do more (e.g. setting registers for each call).
+    */
+
+   /*
+    * Set the MBR so PCI address is one-to-one with window,
+    * meaning all calls go straight through... use BUG_ON to
+    * catch erroneous assumption.
+    */
+   BUG_ON(PCIBIOS_MIN_MEM != SH7751_PCI_MEMORY_BASE);
+
+   PCIC_WRITE(SH7751_PCIMBR, PCIBIOS_MIN_MEM);
+
+   /* Set IOBR for window containing area specified in pci.h */
+   PCIC_WRITE(SH7751_PCIIOBR, (PCIBIOS_MIN_IO & SH7751_PCIIOBR_MASK));
+
+   /* All done, may as well say so... */
+   printk("SH7751 PCI: Finished initialization of the PCI controller\n");
+
+   return 1;
+}
+
+int __init pcibios_map_platform_irq(u8 slot, u8 pin)
+{
+        switch (slot) {
+        case 0: return 13;
+        case 1: return 13; 	/* AMD Ethernet controller */
+        case 2: return -1;
+        case 3: return -1;
+        case 4: return -1;
+        default:
+                printk("PCI: Bad IRQ mapping request for slot %d\n", slot);
+                return -1;
+        }
+}
+
+static struct resource sh7751_io_resource = {
+	.name   = "SH7751 IO",
+	.start  = SH7751_PCI_IO_BASE,
+	.end    = SH7751_PCI_IO_BASE + SH7751_PCI_IO_SIZE - 1,
+	.flags  = IORESOURCE_IO
+};
+
+static struct resource sh7751_mem_resource = {
+	.name   = "SH7751 mem",
+	.start  = SH7751_PCI_MEMORY_BASE,
+	.end    = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
+	.flags  = IORESOURCE_MEM
+};
+
+extern struct pci_ops sh7751_pci_ops;
+
+struct pci_channel board_pci_channels[] = {
+	{ &sh7751_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0xff },
+	{ NULL, NULL, NULL, 0, 0 },
+};
+
diff --git a/arch/sh/boards/mach-se/7751/setup.c b/arch/sh/boards/mach-se/7751/setup.c
new file mode 100644
index 000000000000..50572512e3e8
--- /dev/null
+++ b/arch/sh/boards/mach-se/7751/setup.c
@@ -0,0 +1,78 @@
+/*
+ * linux/arch/sh/boards/se/7751/setup.c
+ *
+ * Copyright (C) 2000  Kazumoto Kojima
+ *
+ * Hitachi SolutionEngine Support.
+ *
+ * Modified for 7751 Solution Engine by
+ * Ian da Silva and Jeremy Siegel, 2001.
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <asm/machvec.h>
+#include <mach-se/mach/se7751.h>
+#include <asm/io.h>
+#include <asm/heartbeat.h>
+
+static unsigned char heartbeat_bit_pos[] = { 8, 9, 10, 11, 12, 13, 14, 15 };
+
+static struct heartbeat_data heartbeat_data = {
+	.bit_pos	= heartbeat_bit_pos,
+	.nr_bits	= ARRAY_SIZE(heartbeat_bit_pos),
+};
+
+static struct resource heartbeat_resources[] = {
+	[0] = {
+		.start	= PA_LED,
+		.end	= PA_LED,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device heartbeat_device = {
+	.name		= "heartbeat",
+	.id		= -1,
+	.dev	= {
+		.platform_data	= &heartbeat_data,
+	},
+	.num_resources	= ARRAY_SIZE(heartbeat_resources),
+	.resource	= heartbeat_resources,
+};
+
+static struct platform_device *se7751_devices[] __initdata = {
+	&heartbeat_device,
+};
+
+static int __init se7751_devices_setup(void)
+{
+	return platform_add_devices(se7751_devices, ARRAY_SIZE(se7751_devices));
+}
+__initcall(se7751_devices_setup);
+
+/*
+ * The Machine Vector
+ */
+static struct sh_machine_vector mv_7751se __initmv = {
+	.mv_name		= "7751 SolutionEngine",
+	.mv_nr_irqs		= 72,
+
+	.mv_inb			= sh7751se_inb,
+	.mv_inw			= sh7751se_inw,
+	.mv_inl			= sh7751se_inl,
+	.mv_outb		= sh7751se_outb,
+	.mv_outw		= sh7751se_outw,
+	.mv_outl		= sh7751se_outl,
+
+	.mv_inb_p		= sh7751se_inb_p,
+	.mv_inw_p		= sh7751se_inw,
+	.mv_inl_p		= sh7751se_inl,
+	.mv_outb_p		= sh7751se_outb_p,
+	.mv_outw_p		= sh7751se_outw,
+	.mv_outl_p		= sh7751se_outl,
+
+	.mv_insl		= sh7751se_insl,
+	.mv_outsl		= sh7751se_outsl,
+
+	.mv_init_irq		= init_7751se_IRQ,
+};