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authorEugene Konev <ejka@imfi.kspu.ru>2007-03-18 09:40:51 +0000
committerEugene Konev <ejka@imfi.kspu.ru>2007-03-18 09:40:51 +0000
commit6eb218b9c979ddb0f078c733bffacd92e1da8c01 (patch)
tree85f03f558603853b9adbdb608c7665c484b370df /target/linux/ar7-2.6/files/arch
parent3dbd8ff32fd6f707a69810152fed225f33dd55a5 (diff)
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Add ar7-2.6 port (marked as broken for now).
SVN-Revision: 6600
Diffstat (limited to 'target/linux/ar7-2.6/files/arch')
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/Makefile15
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/gpio.c56
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/irq.c160
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/memory.c210
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/platform.c386
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/prom.c266
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/setup.c120
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/time.c59
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/vlynq-pci.c396
-rw-r--r--target/linux/ar7-2.6/files/arch/mips/ar7/vlynq.c543
10 files changed, 2211 insertions, 0 deletions
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/Makefile b/target/linux/ar7-2.6/files/arch/mips/ar7/Makefile
new file mode 100644
index 0000000000..0771cfcf26
--- /dev/null
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/Makefile
@@ -0,0 +1,15 @@
+
+obj-y := \
+ prom.o \
+ setup.o \
+ memory.o \
+ irq.o \
+ time.o \
+ platform.o \
+ gpio.o \
+ vlynq.o
+
+obj-$(CONFIG_PCI) += \
+ vlynq-pci.o
+
+EXTRA_AFLAGS := $(CFLAGS)
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/gpio.c b/target/linux/ar7-2.6/files/arch/mips/ar7/gpio.c
new file mode 100644
index 0000000000..8b3d3a958a
--- /dev/null
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/gpio.c
@@ -0,0 +1,56 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/ar7/ar7.h>
+#include <asm/ar7/gpio.h>
+
+static char *ar7_gpio_list[AR7_GPIO_MAX] = { 0, };
+
+int gpio_request(unsigned gpio, char *label)
+{
+ if (gpio >= AR7_GPIO_MAX)
+ return -EINVAL;
+
+ if (ar7_gpio_list[gpio])
+ return -EBUSY;
+
+ if (label) {
+ ar7_gpio_list[gpio] = label;
+ } else {
+ ar7_gpio_list[gpio] = "busy";
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(gpio_request);
+
+void gpio_free(unsigned gpio)
+{
+ BUG_ON(!ar7_gpio_list[gpio]);
+ ar7_gpio_list[gpio] = NULL;
+}
+EXPORT_SYMBOL(gpio_free);
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/irq.c b/target/linux/ar7-2.6/files/arch/mips/ar7/irq.c
new file mode 100644
index 0000000000..3d235dc45a
--- /dev/null
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/irq.c
@@ -0,0 +1,160 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+
+#include <asm/irq.h>
+#include <asm/irq_cpu.h>
+#include <asm/mipsregs.h>
+#include <asm/ar7/ar7.h>
+
+#define EXCEPT_OFFSET 0x80
+#define PACE_OFFSET 0xA0
+#define CHNLS_OFFSET 0x200
+
+#define IRQ_NUM(irq) (irq % 40 % 32)
+#define REG_OFFSET(irq, reg) (((irq) < 40) ? \
+ ((irq) / 32 * 0x4 + reg * 0x10) : \
+ (EXCEPT_OFFSET + reg * 0x8))
+#define SR_OFFSET(irq) (REG_OFFSET(irq, 0))
+#define CR_OFFSET(irq) (REG_OFFSET(irq, 1))
+#define ESR_OFFSET(irq) (REG_OFFSET(irq, 2))
+#define ECR_OFFSET(irq) (REG_OFFSET(irq, 3))
+#define PIR_OFFSET (0x40)
+#define MSR_OFFSET (0x44)
+#define PM_OFFSET(irq) (REG_OFFSET(irq, 5))
+#define TM_OFFSET(irq) (REG_OFFSET(irq, 6))
+
+#define REG(addr) (*(volatile u32 *)(KSEG1ADDR(AR7_REGS_IRQ) + addr))
+
+#define CHNL_OFFSET(chnl) (CHNLS_OFFSET + (chnl * 4))
+
+static void ar7_unmask_irq(unsigned int irq_nr);
+static void ar7_mask_irq(unsigned int irq_nr);
+static irqreturn_t ar7_cascade(int interrupt, void *dev);
+void ar7_irq_init(int);
+
+static struct irq_chip ar7_irq_type = {
+ .name = "AR7",
+ .unmask = ar7_unmask_irq,
+ .mask = ar7_mask_irq,
+};
+
+static int ar7_irq_base;
+
+static struct irqaction ar7_cascade_action = {
+ .handler = ar7_cascade,
+ .name = "AR7 cascade interrupt"
+};
+
+
+static void ar7_unmask_irq(unsigned int irq)
+{
+ unsigned long flags;
+ local_irq_save(flags);
+ /* enable the interrupt channel bit */
+ REG(ESR_OFFSET(irq - ar7_irq_base)) = 1 << IRQ_NUM(irq - ar7_irq_base);
+ local_irq_restore(flags);
+}
+
+static void ar7_mask_irq(unsigned int irq)
+{
+ unsigned long flags;
+ local_irq_save(flags);
+ /* disable the interrupt channel bit */
+ REG(ECR_OFFSET(irq - ar7_irq_base)) = 1 << IRQ_NUM(irq - ar7_irq_base);
+ local_irq_restore(flags);
+}
+
+void __init arch_init_irq(void) {
+ mips_cpu_irq_init(0);
+ ar7_irq_init(8);
+}
+
+void __init ar7_irq_init(int base)
+{
+ int i;
+ /*
+ Disable interrupts and clear pending
+ */
+ REG(ECR_OFFSET(0)) = 0xffffffff;
+ REG(ECR_OFFSET(32)) = 0xff;
+ REG(ECR_OFFSET(40)) = 0xffffffff;
+ REG(CR_OFFSET(0)) = 0xffffffff;
+ REG(CR_OFFSET(32)) = 0xff;
+ REG(CR_OFFSET(40)) = 0xffffffff;
+
+ for(i = 0; i < 40; i++) {
+ REG(CHNL_OFFSET(i)) = i;
+ /* Primary IRQ's */
+ irq_desc[i + base].status = IRQ_DISABLED;
+ irq_desc[i + base].action = 0;
+ irq_desc[i + base].depth = 1;
+ irq_desc[i + base].chip = &ar7_irq_type;
+ /* Secondary IRQ's */
+ if (i < 32) {
+ irq_desc[i + base + 40].status = IRQ_DISABLED;
+ irq_desc[i + base + 40].action = 0;
+ irq_desc[i + base + 40].depth = 1;
+ irq_desc[i + base + 40].chip =
+ &ar7_irq_type;
+ }
+ }
+
+ ar7_irq_base = base;
+ setup_irq(2, &ar7_cascade_action);
+ set_c0_status(IE_IRQ0);
+}
+
+static irqreturn_t ar7_cascade(int interrupt, void *dev)
+{
+ int irq, i;
+ unsigned long status;
+
+ irq = (REG(PIR_OFFSET) & 0x3F);
+ if (irq == 40) return IRQ_NONE;
+ if (irq > 0) {
+ REG(CR_OFFSET(irq)) = 1 << IRQ_NUM(irq);
+ } else {
+ status = REG(SR_OFFSET(40));
+ for (i = 0; i < 32; i++) {
+ if (status & (i << 1)) {
+ irq = i + 40;
+ REG(CR_OFFSET(irq)) = 1 << i;
+ break;
+ }
+ }
+ REG(CR_OFFSET(0)) = 1;
+ }
+ return do_IRQ(irq + ar7_irq_base);
+}
+
+asmlinkage void plat_irq_dispatch(void)
+{
+ unsigned int pending = read_c0_status() & read_c0_cause();
+ if (pending & STATUSF_IP7) /* cpu timer */
+ do_IRQ(7);
+ else if (pending & STATUSF_IP2) /* int0 hardware line */
+ do_IRQ(2);
+ else
+ spurious_interrupt();
+}
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/memory.c b/target/linux/ar7-2.6/files/arch/mips/ar7/memory.c
new file mode 100644
index 0000000000..ea5b5bee77
--- /dev/null
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/memory.c
@@ -0,0 +1,210 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2007 OpenWrt.org
+ *
+ * Based on arch/mips/mm/init.c
+ * Copyright (C) 1994 - 2000 Ralf Baechle
+ * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
+ * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/bootmem.h>
+#include <linux/init.h>
+#include <linux/initrd.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/pfn.h>
+#include <linux/proc_fs.h>
+#include <linux/string.h>
+#include <linux/swap.h>
+
+#include <asm/bootinfo.h>
+#include <asm/page.h>
+#include <asm/sections.h>
+
+#include <asm/mips-boards/prom.h>
+
+#warning FIXME: use sdram control regs and/or autodetection
+static int __init memsize(void)
+{
+ char *memsize_str;
+ unsigned int result;
+ char cmdline[CL_SIZE], *ptr;
+
+ /* Check the command line first for a memsize directive */
+ strcpy(cmdline, arcs_cmdline);
+ ptr = strstr(cmdline, "memsize=");
+ if (ptr && (ptr != cmdline) && (*(ptr - 1) != ' '))
+ ptr = strstr(ptr, " memsize=");
+
+ if (ptr) {
+ result = memparse(ptr + 8, &ptr);
+ } else {
+ /* otherwise look in the environment */
+ memsize_str = prom_getenv("memsize");
+ if (!memsize_str) {
+ prom_printf("memsize not set in boot prom, set to default (8Mb)\n");
+ result = 0x00800000;
+ } else {
+ result = simple_strtol(memsize_str, NULL, 0);
+ }
+ }
+
+ return result;
+}
+
+extern unsigned long __initramfs_start, __initramfs_end;
+
+#ifdef CONFIG_NEED_MULTIPLE_NODES
+static bootmem_data_t node_bootmem_data;
+pg_data_t __node_data[1] = {
+ {
+ .bdata = &node_bootmem_data
+ },
+};
+EXPORT_SYMBOL(__node_data);
+
+unsigned long max_mapnr;
+struct page *mem_map;
+EXPORT_SYMBOL(max_mapnr);
+EXPORT_SYMBOL(mem_map);
+
+static unsigned long setup_zero_pages(void)
+{
+ unsigned int order = 3;
+ unsigned long size;
+ struct page *page;
+
+ empty_zero_page = __get_free_pages(GFP_KERNEL | __GFP_ZERO, order);
+ if (!empty_zero_page)
+ panic("Oh boy, that early out of memory?");
+
+ page = virt_to_page(empty_zero_page);
+ split_page(page, order);
+ while (page < virt_to_page(empty_zero_page + (PAGE_SIZE << order))) {
+ SetPageReserved(page);
+ page++;
+ }
+
+ size = PAGE_SIZE << order;
+ zero_page_mask = (size - 1) & PAGE_MASK;
+
+ return 1UL << order;
+}
+
+extern void pagetable_init(void);
+
+void __init paging_init(void)
+{
+ unsigned long zones_size[MAX_NR_ZONES] = { 0, };
+
+ pagetable_init();
+
+ zones_size[ZONE_DMA] = max_low_pfn - min_low_pfn;
+
+ free_area_init_node(0, NODE_DATA(0), zones_size, ARCH_PFN_OFFSET, NULL);
+}
+
+static struct kcore_list kcore_mem, kcore_vmalloc;
+
+void __init mem_init(void)
+{
+ unsigned long codesize, reservedpages, datasize, initsize;
+ unsigned long tmp, ram;
+ unsigned long kernel_start, kernel_end;
+
+ kernel_start = PFN_DOWN(CPHYSADDR((unsigned long)&_text));
+ kernel_end = PFN_UP(CPHYSADDR((unsigned long)&_end));
+ for (tmp = min_low_pfn + 1; tmp < kernel_start; tmp++) {
+ ClearPageReserved(pfn_to_page(tmp));
+ init_page_count(pfn_to_page(tmp));
+ free_page((unsigned long)__va(tmp << PAGE_SHIFT));
+ }
+
+ totalram_pages += free_all_bootmem();
+ totalram_pages -= setup_zero_pages(); /* Setup zeroed pages. */
+
+ reservedpages = ram = 0;
+ for (tmp = min_low_pfn; tmp <= max_low_pfn; tmp++) {
+ ram++;
+ if (PageReserved(pfn_to_page(tmp)))
+ if ((tmp < kernel_start) || (tmp > kernel_end))
+ reservedpages++;
+ }
+ num_physpages = ram;
+
+ codesize = (unsigned long) &_etext - (unsigned long) &_text;
+ datasize = (unsigned long) &_edata - (unsigned long) &_etext;
+ initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
+
+ kclist_add(&kcore_mem, __va(min_low_pfn),
+ (max_low_pfn - min_low_pfn) << PAGE_SHIFT);
+ kclist_add(&kcore_vmalloc, (void *)VMALLOC_START,
+ VMALLOC_END - VMALLOC_START);
+
+ printk(KERN_INFO "Memory: %luk/%luk available (%ldk kernel code, "
+ "%ldk reserved, %ldk data, %ldk init)\n",
+ (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
+ ram << (PAGE_SHIFT-10),
+ codesize >> 10,
+ reservedpages << (PAGE_SHIFT-10),
+ datasize >> 10,
+ initsize >> 10);
+}
+#endif
+
+void __init prom_meminit(void)
+{
+#ifdef CONFIG_NEED_MULTIPLE_NODES
+ unsigned long kernel_start, kernel_end;
+ unsigned long pages, free_pages;
+ unsigned long bootmap_size;
+#endif
+
+#ifdef CONFIG_BLK_DEV_INITRD
+ initrd_start = (unsigned long)&__initramfs_start;
+ initrd_end = (unsigned long)&__initramfs_end;
+#endif
+
+ pages = memsize() >> PAGE_SHIFT;
+ add_memory_region(ARCH_PFN_OFFSET << PAGE_SHIFT, pages <<
+ PAGE_SHIFT, BOOT_MEM_RAM);
+
+#ifdef CONFIG_NEED_MULTIPLE_NODES
+ kernel_start = PFN_DOWN(CPHYSADDR((unsigned long)&_text));
+ kernel_end = PFN_UP(CPHYSADDR((unsigned long)&_end));
+ min_low_pfn = ARCH_PFN_OFFSET;
+ max_low_pfn = ARCH_PFN_OFFSET + pages;
+ max_mapnr = max_low_pfn;
+ free_pages = pages - (kernel_end - min_low_pfn);
+ bootmap_size = init_bootmem_node(NODE_DATA(0), kernel_end,
+ ARCH_PFN_OFFSET, max_low_pfn);
+
+ free_bootmem(PFN_PHYS(kernel_end), free_pages << PAGE_SHIFT);
+ memory_present(0, min_low_pfn, max_low_pfn);
+ reserve_bootmem(PFN_PHYS(kernel_end), bootmap_size);
+ mem_map = NODE_DATA(0)->node_mem_map;
+#endif
+}
+
+unsigned long __init prom_free_prom_memory(void)
+{
+/* return freed;
+*/
+ return 0;
+}
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/platform.c b/target/linux/ar7-2.6/files/arch/mips/ar7/platform.c
new file mode 100644
index 0000000000..ea170edc6a
--- /dev/null
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/platform.c
@@ -0,0 +1,386 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/autoconf.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+#include <linux/ioport.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/ar7/ar7.h>
+#include <asm/ar7/gpio.h>
+#include <asm/ar7/vlynq.h>
+
+struct plat_vlynq_data {
+ struct plat_vlynq_ops ops;
+ int gpio_bit;
+ int reset_bit;
+};
+
+
+static int vlynq_on(struct vlynq_device *dev)
+{
+ int result;
+ struct plat_vlynq_data *pdata = dev->dev.platform_data;
+
+ if ((result = gpio_request(pdata->gpio_bit, "vlynq")))
+ goto out;
+
+ ar7_device_reset(pdata->reset_bit);
+
+ if ((result = ar7_gpio_disable(pdata->gpio_bit)))
+ goto out_enabled;
+
+ if ((result = ar7_gpio_enable(pdata->gpio_bit)))
+ goto out_enabled;
+
+ if ((result = gpio_direction_output(pdata->gpio_bit)))
+ goto out_gpio_enabled;
+
+ gpio_set_value(pdata->gpio_bit, 0);
+ mdelay(50);
+
+ gpio_set_value(pdata->gpio_bit, 1);
+ mdelay(50);
+
+ return 0;
+
+out_gpio_enabled:
+ ar7_gpio_disable(pdata->gpio_bit);
+out_enabled:
+ ar7_device_disable(pdata->reset_bit);
+ gpio_free(pdata->gpio_bit);
+out:
+ return result;
+}
+
+static void vlynq_off(struct vlynq_device *dev)
+{
+ struct plat_vlynq_data *pdata = dev->dev.platform_data;
+ ar7_gpio_disable(pdata->gpio_bit);
+ gpio_free(pdata->gpio_bit);
+ ar7_device_disable(pdata->reset_bit);
+}
+
+static struct resource physmap_flash_resource = {
+ .name = "mem",
+ .flags = IORESOURCE_MEM,
+ .start = 0x10000000,
+ .end = 0x103fffff,
+};
+
+static struct resource cpmac_low_res[] = {
+ {
+ .name = "regs",
+ .flags = IORESOURCE_MEM,
+ .start = AR7_REGS_MAC0,
+ .end = AR7_REGS_MAC0 + 0x7FF,
+ },
+ {
+ .name = "irq",
+ .flags = IORESOURCE_IRQ,
+ .start = 27,
+ .end = 27,
+ },
+};
+
+static struct resource cpmac_high_res[] = {
+ {
+ .name = "regs",
+ .flags = IORESOURCE_MEM,
+ .start = AR7_REGS_MAC1,
+ .end = AR7_REGS_MAC1 + 0x7FF,
+ },
+ {
+ .name = "irq",
+ .flags = IORESOURCE_IRQ,
+ .start = 41,
+ .end = 41,
+ },
+};
+
+static struct resource vlynq_low_res[] = {
+ {
+ .name = "regs",
+ .flags = IORESOURCE_MEM,
+ .start = AR7_REGS_VLYNQ0,
+ .end = AR7_REGS_VLYNQ0 + 0xff,
+ },
+ {
+ .name = "irq",
+ .flags = IORESOURCE_IRQ,
+ .start = 29,
+ .end = 29,
+ },
+ {
+ .name = "mem",
+ .flags = IORESOURCE_MEM,
+ .start = 0x04000000,
+ .end = 0x04ffffff,
+ },
+ {
+ .name = "devirq",
+ .flags = IORESOURCE_IRQ,
+ .start = 80,
+ .end = 111,
+ },
+};
+
+static struct resource vlynq_high_res[] = {
+ {
+ .name = "regs",
+ .flags = IORESOURCE_MEM,
+ .start = AR7_REGS_VLYNQ1,
+ .end = AR7_REGS_VLYNQ1 + 0xFF,
+ },
+ {
+ .name = "irq",
+ .flags = IORESOURCE_IRQ,
+ .start = 33,
+ .end = 33,
+ },
+ {
+ .name = "mem",
+ .flags = IORESOURCE_MEM,
+ .start = 0x0c000000,
+ .end = 0x0cffffff,
+ },
+ {
+ .name = "devirq",
+ .flags = IORESOURCE_IRQ,
+ .start = 112,
+ .end = 143,
+ },
+};
+
+static struct physmap_flash_data physmap_flash_data = {
+ .width = 2,
+};
+
+static struct plat_cpmac_data cpmac_low_data = {
+ .reset_bit = 17,
+ .power_bit = 20,
+ .phy_mask = 0x80000000,
+};
+
+static struct plat_cpmac_data cpmac_high_data = {
+ .reset_bit = 21,
+ .power_bit = 22,
+ .phy_mask = 0x7fffffff,
+};
+
+static struct plat_vlynq_data vlynq_low_data = {
+ .ops.on = vlynq_on,
+ .ops.off = vlynq_off,
+ .reset_bit = 20,
+ .gpio_bit = 18,
+};
+
+static struct plat_vlynq_data vlynq_high_data = {
+ .ops.on = vlynq_on,
+ .ops.off = vlynq_off,
+ .reset_bit = 16,
+ .gpio_bit = 19,
+};
+
+static struct platform_device physmap_flash = {
+ .id = 0,
+ .name = "physmap-flash",
+ .dev.platform_data = &physmap_flash_data,
+ .resource = &physmap_flash_resource,
+ .num_resources = 1,
+};
+
+static struct platform_device cpmac_low = {
+ .id = 0,
+ .name = "cpmac",
+ .dev.platform_data = &cpmac_low_data,
+ .resource = cpmac_low_res,
+ .num_resources = ARRAY_SIZE(cpmac_low_res),
+};
+
+static struct platform_device cpmac_high = {
+ .id = 1,
+ .name = "cpmac",
+ .dev.platform_data = &cpmac_high_data,
+ .resource = cpmac_high_res,
+ .num_resources = ARRAY_SIZE(cpmac_high_res),
+};
+
+static struct platform_device vlynq_low = {
+ .id = 0,
+ .name = "vlynq",
+ .dev.platform_data = &vlynq_low_data,
+ .resource = vlynq_low_res,
+ .num_resources = ARRAY_SIZE(vlynq_low_res),
+};
+
+static struct platform_device vlynq_high = {
+ .id = 1,
+ .name = "vlynq",
+ .dev.platform_data = &vlynq_high_data,
+ .resource = vlynq_high_res,
+ .num_resources = ARRAY_SIZE(vlynq_high_res),
+};
+
+
+/* This is proper way to define uart ports, but they are then detected
+ * as xscale and, obviously, don't work...
+ */
+#if !defined(CONFIG_SERIAL_8250)
+static struct plat_serial8250_port uart_data[] = {
+ {
+ .mapbase = AR7_REGS_UART0,
+ .irq = AR7_IRQ_UART0,
+ .regshift = 2,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
+ },
+ {
+ .mapbase = AR7_REGS_UART1,
+ .irq = AR7_IRQ_UART1,
+ .regshift = 2,
+ .iotype = UPIO_MEM,
+ .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
+ },
+ {
+ .flags = 0,
+ },
+};
+
+static struct platform_device uart = {
+ .id = 0,
+ .name = "serial8250",
+ .dev.platform_data = uart_data,
+};
+#endif
+
+static inline unsigned char char2hex(char h)
+{
+ switch (h) {
+ case '0': case '1': case '2': case '3': case '4':
+ case '5': case '6': case '7': case '8': case '9':
+ return h - '0';
+ case 'A': case 'B': case 'C': case 'D': case 'E': case 'F':
+ return h - 'A' + 10;
+ case 'a': case 'b': case 'c': case 'd': case 'e': case 'f':
+ return h - 'a' + 10;
+ default:
+ return 0;
+ }
+}
+
+static void cpmac_get_mac(int instance, unsigned char *dev_addr)
+{
+ int i;
+ char name[5], default_mac[] = "00:00:00:12:34:56", *mac;
+
+ mac = NULL;
+ sprintf(name, "mac%c", 'a' + instance);
+ mac = prom_getenv(name);
+ if (!mac) {
+ sprintf(name, "mac%c", 'a');
+ mac = prom_getenv(name);
+ }
+ if (!mac)
+ mac = default_mac;
+ for (i = 0; i < 6; i++)
+ dev_addr[i] = (char2hex(mac[i * 3]) << 4) +
+ char2hex(mac[i * 3 + 1]);
+}
+
+static int __init ar7_register_devices(void)
+{
+ int res;
+
+#if defined(CONFIG_SERIAL_8250)
+ static struct uart_port uart_port[2];
+
+ memset(uart_port, 0, sizeof(struct uart_port) * 2);
+
+ uart_port[0].type = PORT_16750;
+ uart_port[0].line = 0;
+ uart_port[0].irq = AR7_IRQ_UART0;
+ uart_port[0].uartclk = ar7_bus_freq() / 2;
+ uart_port[0].iotype = UPIO_MEM;
+ uart_port[0].mapbase = AR7_REGS_UART0;
+ uart_port[0].membase = ioremap(uart_port[0].mapbase, 256);
+ uart_port[0].regshift = 2;
+ res = early_serial_setup(&uart_port[0]);
+ if (res)
+ return res;
+
+ uart_port[1].type = PORT_16750;
+ uart_port[1].line = 1;
+ uart_port[1].irq = AR7_IRQ_UART1;
+ uart_port[1].uartclk = ar7_bus_freq() / 2;
+ uart_port[1].iotype = UPIO_MEM;
+ uart_port[1].mapbase = AR7_REGS_UART1;
+ uart_port[1].membase = ioremap(uart_port[1].mapbase, 256);
+ uart_port[1].regshift = 2;
+ res = early_serial_setup(&uart_port[1]);
+ if (res)
+ return res;
+#else
+ uart_data[0].uartclk = ar7_bus_freq() / 2;
+ uart_data[1].uartclk = uart_data[0].uartclk;
+ res = platform_device_register(&uart);
+ if (res)
+ return res;
+#endif
+ res = platform_device_register(&physmap_flash);
+ if (res)
+ return res;
+
+ res = platform_device_register(&vlynq_low);
+ if (res)
+ return res;
+
+ ar7_device_disable(vlynq_low_data.reset_bit);
+ if (ar7_has_high_vlynq()) {
+ ar7_device_disable(vlynq_high_data.reset_bit);
+ res = platform_device_register(&vlynq_high);
+ if (res)
+ return res;
+ }
+
+ if (ar7_has_high_cpmac()) {
+ cpmac_get_mac(1, cpmac_high_data.dev_addr);
+ res = platform_device_register(&cpmac_high);
+ if (res)
+ return res;
+ } else {
+ cpmac_low_data.phy_mask = 0xffffffff;
+ }
+
+ cpmac_get_mac(0, cpmac_low_data.dev_addr);
+ res = platform_device_register(&cpmac_low);
+
+ return res;
+}
+
+
+arch_initcall(ar7_register_devices);
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/prom.c b/target/linux/ar7-2.6/files/arch/mips/ar7/prom.c
new file mode 100644
index 0000000000..4db4303822
--- /dev/null
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/prom.c
@@ -0,0 +1,266 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Putting things on the screen/serial line using YAMONs facilities.
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/serial_reg.h>
+#include <linux/spinlock.h>
+#include <linux/module.h>
+#include <asm/io.h>
+#include <asm/bootinfo.h>
+#include <asm/mips-boards/prom.h>
+
+#include <asm/ar7/ar7.h>
+
+#define MAX_ENTRY 80
+
+struct env_var {
+ char *name;
+ char *value;
+};
+
+struct psp_chip_map {
+ u16 chip;
+ char *names[50];
+};
+
+/* I hate this. No. *I* *HATE* *THIS* */
+static __initdata struct psp_chip_map psp_chip_map[] = {
+ {
+ .chip = 0x5,
+ .names = {
+ "dummy", "cpufrequency", "memsize",
+ "flashsize", "modetty0", "modetty1", "prompt",
+ "bootcfg", "maca", "macb", "usb_rndis_mac",
+ "macap", "my_ipaddress", "server_ipaddress",
+ "bline_maca", "bline_macb", "bline_rndis",
+ "bline_atm", "usb_pid", "usb_vid",
+ "usb_eppolli", "gateway_ipaddress",
+ "subnet_mask", "usb_serial", "usb_board_mac",
+ "remote_user", "remote_pass", "remote_dir",
+ "sysfrequency", "link_timeout", "mac_port",
+ "path", "hostname", "tftpcfg", "buildops",
+ "tftp_fo_fname", "tftp_fo_ports",
+ "console_state", "mipsfrequency",
+ },
+ },
+ {
+ .chip = 0x18,
+ .names = {
+ "dummy", "cpufrequency", "memsize",
+ "flashsize", "modetty0", "modetty1", "prompt",
+ "bootcfg", "maca", "macb", "usb_rndis_mac",
+ "macap", "my_ipaddress", "server_ipaddress",
+ "bline_maca", "bline_macb", "bline_rndis",
+ "bline_atm", "usb_pid", "usb_vid",
+ "usb_eppolli", "gateway_ipaddress",
+ "subnet_mask", "usb_serial", "usb_board_mac",
+ "remote_user", "remote_pass", "remote_dir",
+ "sysfrequency", "link_timeout", "mac_port",
+ "path", "hostname", "tftpcfg", "buildops",
+ "tftp_fo_fname", "tftp_fo_ports",
+ "console_state", "mipsfrequency",
+ },
+ },
+ {
+ .chip = 0x2b,
+ .names = {
+ "dummy", "cpufrequency", "memsize",
+ "flashsize", "modetty0", "modetty1", "prompt",
+ "bootcfg", "maca", "macb", "usb_rndis_mac",
+ "macap", "my_ipaddress", "server_ipaddress",
+ "bline_maca", "bline_macb", "bline_rndis",
+ "bline_atm", "usb_pid", "usb_vid",
+ "usb_eppolli", "gateway_ipaddress",
+ "subnet_mask", "usb_serial", "usb_board_mac",
+ "remote_user", "remote_pass", "remote_dir",
+ "sysfrequency", "link_timeout", "mac_port",
+ "path", "hostname", "tftpcfg", "buildops",
+ "tftp_fo_fname", "tftp_fo_ports",
+ "console_state", "mipsfrequency",
+ },
+ },
+ {
+ .chip = 0x0,
+ },
+};
+
+static struct env_var adam2_env[MAX_ENTRY] = { { 0, }, };
+
+char * __init prom_getenv(char *name)
+{
+ int i;
+ for (i = 0; (i < MAX_ENTRY) && adam2_env[i].name; i++)
+ if (!strcmp(name, adam2_env[i].name))
+ return adam2_env[i].value;
+
+ return NULL;
+}
+
+char * __init prom_getcmdline(void)
+{
+ return &(arcs_cmdline[0]);
+}
+
+static void __init ar7_init_cmdline(int argc, char *argv[])
+{
+ char *cp;
+ int actr;
+
+ actr = 1; /* Always ignore argv[0] */
+
+ cp = &(arcs_cmdline[0]);
+ while(actr < argc) {
+ strcpy(cp, argv[actr]);
+ cp += strlen(argv[actr]);
+ *cp++ = ' ';
+ actr++;
+ }
+ if (cp != &(arcs_cmdline[0])) {
+ /* get rid of trailing space */
+ --cp;
+ *cp = '\0';
+ }
+}
+
+struct psbl_rec {
+ u32 psbl_size;
+ u32 env_base;
+ u32 env_size;
+ u32 ffs_base;
+ u32 ffs_size;
+};
+
+static __initdata char psp_env_version[] = "TIENV0.8";
+
+struct psp_env_var {
+ unsigned char num;
+ unsigned char ctrl;
+ unsigned short csum;
+ unsigned char len;
+ unsigned char data[11];
+};
+
+static char psp_env_data[2048] = { 0, };
+
+static void __init add_adam2_var(char *name, char *value)
+{
+ int i;
+ for (i = 0; i < MAX_ENTRY; i++) {
+ if (!adam2_env[i].name) {
+ adam2_env[i].name = name;
+ adam2_env[i].value = value;
+ return;
+ } else if (!strcmp(adam2_env[i].name, name)) {
+ adam2_env[i].value = value;
+ return;
+ }
+ }
+}
+
+static int __init parse_psp_env(void *start)
+{
+ int i, j;
+ u16 chip;
+ struct psp_chip_map *map;
+ char *src, *dest, *name, *value;
+ struct psp_env_var *vars = start;
+
+ chip = get_chip_id();
+ for (map = psp_chip_map; map->chip; map++)
+ if (map->chip == chip)
+ break;
+
+ if (!map->chip)
+ return -EINVAL;
+
+ i = 1;
+ j = 0;
+ dest = psp_env_data;
+ while (vars[i].num < 0xff) {
+ src = vars[i].data;
+ if (vars[i].num) {
+ strcpy(dest, map->names[vars[i].num]);
+ name = dest;
+ } else {
+ strcpy(dest, src);
+ name = dest;
+ src += strlen(src) + 1;
+ }
+ dest += strlen(dest) + 1;
+ strcpy(dest, src);
+ value = dest;
+ dest += strlen(dest) + 1;
+ add_adam2_var(name, value);
+ i += vars[i].len;
+ }
+ return 0;
+}
+
+static void __init ar7_init_env(struct env_var *env)
+{
+ int i;
+ struct psbl_rec *psbl = (struct psbl_rec *)(KSEG1ADDR(0x14000300));
+ void *psp_env = (void *)KSEG1ADDR(psbl->env_base);
+
+ if(strcmp(psp_env, psp_env_version) == 0) {
+ parse_psp_env(psp_env);
+ } else {
+ for (i = 0; i < MAX_ENTRY; i++, env++)
+ if (env->name)
+ add_adam2_var(env->name, env->value);
+ }
+}
+
+void __init prom_init(void)
+{
+ prom_printf("\nLINUX running...\n");
+ ar7_init_cmdline(fw_arg0, (char **)fw_arg1);
+ ar7_init_env((struct env_var *)fw_arg2);
+}
+
+#define PORT(offset) (KSEG1ADDR(AR7_REGS_UART0 + (offset * 4)))
+static inline unsigned int serial_in(int offset)
+{
+ return readb((void *)PORT(offset));
+}
+
+static inline void serial_out(int offset, int value)
+{
+ writeb(value, (void *)PORT(offset));
+}
+
+char prom_getchar(void)
+{
+ while (!(serial_in(UART_LSR) & UART_LSR_DR));
+ return serial_in(UART_RX);
+}
+
+int prom_putchar(char c)
+{
+ while ((serial_in(UART_LSR) & UART_LSR_THRE) == 0);
+ serial_out(UART_TX, c);
+ return 1;
+}
+
+EXPORT_SYMBOL(prom_getenv);
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/setup.c b/target/linux/ar7-2.6/files/arch/mips/ar7/setup.c
new file mode 100644
index 0000000000..301abe0689
--- /dev/null
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/setup.c
@@ -0,0 +1,120 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/pci.h>
+#include <linux/tty.h>
+#include <linux/pm.h>
+#include <linux/serial_8250.h>
+#include <linux/serial_core.h>
+#include <linux/serial.h>
+#include <linux/serial_reg.h>
+
+#include <asm/cpu.h>
+#include <asm/irq.h>
+#include <asm/mips-boards/generic.h>
+#include <asm/mips-boards/prom.h>
+#include <asm/dma.h>
+#include <asm/time.h>
+#include <asm/traps.h>
+#include <asm/io.h>
+#include <asm/reboot.h>
+#include <asm/gdb-stub.h>
+#include <asm/ar7/ar7.h>
+
+extern void ar7_time_init(void);
+static void ar7_machine_restart(char *command);
+static void ar7_machine_halt(void);
+static void ar7_machine_power_off(void);
+
+static void ar7_machine_restart(char *command)
+{
+ volatile u32 *softres_reg = (u32 *)ioremap(AR7_REGS_RESET +
+ AR7_RESET_SOFTWARE, 1);
+ prom_printf("Reboot\n");
+ *softres_reg = 1;
+}
+
+static void ar7_machine_halt(void)
+{
+ prom_printf("Halt\n");
+ while (1);
+}
+
+static void ar7_machine_power_off(void)
+{
+ volatile u32 *power_reg = (u32 *)ioremap(AR7_REGS_POWER, 1);
+ u32 power_state = *power_reg | (3 << 30);
+ prom_printf("Power off\n");
+ *power_reg = power_state;
+ ar7_machine_halt();
+}
+
+const char *get_system_type(void)
+{
+ u16 chip_id = get_chip_id();
+ switch (chip_id) {
+ case 0x5:
+ return "TI AR7 (TNETD7300)";
+ case 0x18:
+ return "TI AR7 (TNETD7100)";
+ case 0x2b:
+ return "TI AR7 (TNETD7200)";
+ default:
+ return "TI AR7 (Unknown)";
+ }
+}
+
+static int __init ar7_init_console(void)
+{
+ return 0;
+}
+
+/*
+ * Initializes basic routines and structures pointers, memory size (as
+ * given by the bios and saves the command line.
+ */
+
+void __init plat_mem_setup(void)
+{
+ unsigned long io_base;
+
+ _machine_restart = ar7_machine_restart;
+ _machine_halt = ar7_machine_halt;
+ pm_power_off = ar7_machine_power_off;
+ board_time_init = ar7_time_init;
+ panic_timeout = 3;
+
+ io_base = (unsigned long)ioremap(AR7_REGS_BASE, 0x10000);
+ if (!io_base) panic("Can't remap IO base!\n");
+ set_io_port_base(io_base);
+
+ prom_meminit();
+
+ ioport_resource.start = 0;
+ ioport_resource.end = ~0;
+ iomem_resource.start = 0;
+ iomem_resource.end = ~0;
+}
+
+console_initcall(ar7_init_console);
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/time.c b/target/linux/ar7-2.6/files/arch/mips/ar7/time.c
new file mode 100644
index 0000000000..6a1ee7a4df
--- /dev/null
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/time.c
@@ -0,0 +1,59 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Setting up the clock on the MIPS boards.
+ */
+
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/kernel_stat.h>
+#include <linux/sched.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
+#include <linux/time.h>
+#include <linux/timex.h>
+#include <linux/mc146818rtc.h>
+
+#include <asm/mipsregs.h>
+#include <asm/ptrace.h>
+#include <asm/hardirq.h>
+#include <asm/irq.h>
+#include <asm/div64.h>
+#include <asm/cpu.h>
+#include <asm/time.h>
+#include <asm/mc146818-time.h>
+#include <asm/msc01_ic.h>
+
+#include <asm/mips-boards/generic.h>
+#include <asm/mips-boards/prom.h>
+#include <asm/mips-boards/maltaint.h>
+#include <asm/mc146818-time.h>
+#include <asm/ar7/ar7.h>
+
+void __init ar7_time_init(void)
+{
+ mips_hpt_frequency = ar7_cpu_freq() / 2;
+}
+
+void __init plat_timer_setup(struct irqaction *irq)
+{
+ setup_irq(7, irq);
+}
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/vlynq-pci.c b/target/linux/ar7-2.6/files/arch/mips/ar7/vlynq-pci.c
new file mode 100644
index 0000000000..eb32de031c
--- /dev/null
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/vlynq-pci.c
@@ -0,0 +1,396 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <asm/ar7/vlynq.h>
+
+#define VLYNQ_PCI_SLOTS 2
+
+struct vlynq_reg_config {
+ u32 offset;
+ u32 value;
+};
+
+struct vlynq_pci_config {
+ u32 chip_id;
+ char name[32];
+ struct vlynq_mapping rx_mapping[4];
+ int irq;
+ int irq_type;
+ u32 chip;
+ u32 class;
+ int num_regs;
+ struct vlynq_reg_config regs[10];
+};
+
+struct vlynq_pci_private {
+ u32 latency;
+ u32 cache_line;
+ u32 command;
+ u32 sz_mask;
+ struct vlynq_pci_config *config;
+};
+
+static struct vlynq_pci_config known_devices[] = {
+ {
+ .chip_id = 0x00000009, .name = "TI ACX111",
+ .rx_mapping = {
+ { .size = 0x22000, .offset = 0xf0000000 },
+ { .size = 0x40000, .offset = 0xc0000000 },
+ { .size = 0x0, .offset = 0x0 },
+ { .size = 0x0, .offset = 0x0 },
+ },
+ .irq = 0, .chip = 0x9066104c,
+ .class = PCI_CLASS_NETWORK_OTHER,
+ .num_regs = 5,
+ .regs = {
+ { .offset = 0x790, .value = (0xd0000000 - (ARCH_PFN_OFFSET << PAGE_SHIFT)) },
+ { .offset = 0x794, .value = (0xd0000000 - (ARCH_PFN_OFFSET << PAGE_SHIFT)) },
+ { .offset = 0x740, .value = 0 },
+ { .offset = 0x744, .value = 0x00010000 },
+ { .offset = 0x764, .value = 0x00010000 },
+ },
+ },
+};
+
+static struct vlynq_device *slots[VLYNQ_PCI_SLOTS] = { NULL, };
+
+static struct resource vlynq_io_resource = {
+ .start = 0x00000000,
+ .end = 0x00000000,
+ .name = "pci IO space",
+ .flags = IORESOURCE_IO
+};
+
+static struct resource vlynq_mem_resource = {
+ .start = 0x00000000,
+ .end = 0x00000000,
+ .name = "pci memory space",
+ .flags = IORESOURCE_MEM
+};
+
+static inline u32 vlynq_get_mapped(struct vlynq_device *dev, int res)
+{
+ int i;
+ struct vlynq_pci_private *priv = dev->priv;
+ u32 ret = dev->mem_start;
+ if (!priv->config->rx_mapping[res].size) return 0;
+ for (i = 0; i < res; i++)
+ ret += priv->config->rx_mapping[i].size;
+
+ return ret;
+}
+
+static inline u32 vlynq_read(u32 val, int size) {
+ switch (size) {
+ case 1:
+ return *(u8 *)&val;
+ case 2:
+ return *(u16 *)&val;
+ }
+ return val;
+}
+
+static int vlynq_config_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val)
+{
+ struct vlynq_device *dev;
+ struct vlynq_pci_private *priv;
+ int resno, slot = PCI_SLOT(devfn);
+
+ if ((size == 2) && (where & 1))
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+ else if ((size == 4) && (where & 3))
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+
+ if (slot >= VLYNQ_PCI_SLOTS)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ dev = slots[slot];
+
+ if (!dev || (PCI_FUNC(devfn) > 0))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ priv = dev->priv;
+
+ switch (where) {
+ case PCI_VENDOR_ID:
+ *val = vlynq_read(priv->config->chip, size);
+ break;
+ case PCI_DEVICE_ID:
+ *val = priv->config->chip & 0xffff;
+ case PCI_COMMAND:
+ *val = priv->command;
+ case PCI_STATUS:
+/* *val = PCI_STATUS_CAP_LIST;*/
+ *val = 0;
+ break;
+ case PCI_CLASS_REVISION:
+ *val = priv->config->class;
+ break;
+ case PCI_LATENCY_TIMER:
+ *val = priv->latency;
+ break;
+ case PCI_HEADER_TYPE:
+ *val = PCI_HEADER_TYPE_NORMAL;
+ break;
+ case PCI_CACHE_LINE_SIZE:
+ *val = priv->cache_line;
+ break;
+ case PCI_BASE_ADDRESS_0:
+ case PCI_BASE_ADDRESS_1:
+ case PCI_BASE_ADDRESS_2:
+ case PCI_BASE_ADDRESS_3:
+ resno = (where - PCI_BASE_ADDRESS_0) >> 2;
+ if (priv->sz_mask & (1 << resno)) {
+ priv->sz_mask &= ~(1 << resno);
+ *val = priv->config->rx_mapping[resno].size;
+ } else {
+ *val = vlynq_get_mapped(dev, resno);
+ }
+ break;
+ case PCI_BASE_ADDRESS_4:
+ case PCI_BASE_ADDRESS_5:
+ case PCI_SUBSYSTEM_VENDOR_ID:
+ case PCI_SUBSYSTEM_ID:
+ case PCI_ROM_ADDRESS:
+ case PCI_INTERRUPT_LINE:
+ case PCI_CARDBUS_CIS:
+ case PCI_CAPABILITY_LIST:
+ case PCI_INTERRUPT_PIN:
+ *val = 0;
+ break;
+ default:
+ printk("%s: Read of unknown register 0x%x (size %d)\n",
+ dev->dev.bus_id, where, size);
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+ }
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static int vlynq_config_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val)
+{
+ struct vlynq_device *dev;
+ struct vlynq_pci_private *priv;
+ int resno, slot = PCI_SLOT(devfn);
+
+ if ((size == 2) && (where & 1))
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+ else if ((size == 4) && (where & 3))
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+
+ if (slot >= VLYNQ_PCI_SLOTS)
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ dev = slots[slot];
+
+ if (!dev || (PCI_FUNC(devfn) > 0))
+ return PCIBIOS_DEVICE_NOT_FOUND;
+
+ priv = dev->priv;
+
+ switch (where) {
+ case PCI_VENDOR_ID:
+ case PCI_DEVICE_ID:
+ case PCI_STATUS:
+ case PCI_CLASS_REVISION:
+ case PCI_HEADER_TYPE:
+ case PCI_CACHE_LINE_SIZE:
+ case PCI_SUBSYSTEM_VENDOR_ID:
+ case PCI_SUBSYSTEM_ID:
+ case PCI_INTERRUPT_LINE:
+ case PCI_INTERRUPT_PIN:
+ case PCI_CARDBUS_CIS:
+ case PCI_CAPABILITY_LIST:
+ return PCIBIOS_FUNC_NOT_SUPPORTED;
+ case PCI_COMMAND:
+ priv->command = val;
+ case PCI_LATENCY_TIMER:
+ priv->latency = val;
+ break;
+ case PCI_BASE_ADDRESS_0:
+ case PCI_BASE_ADDRESS_1:
+ case PCI_BASE_ADDRESS_2:
+ case PCI_BASE_ADDRESS_3:
+ if (val == 0xffffffff) {
+ resno = (where - PCI_BASE_ADDRESS_0) >> 2;
+ priv->sz_mask |= (1 << resno);
+ break;
+ }
+ case PCI_BASE_ADDRESS_4:
+ case PCI_BASE_ADDRESS_5:
+ case PCI_ROM_ADDRESS:
+ break;
+ default:
+ printk("%s: Write to unknown register 0x%x (size %d) value=0x%x\n",
+ dev->dev.bus_id, where, size, val);
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+ }
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static struct pci_ops vlynq_pci_ops = {
+ vlynq_config_read,
+ vlynq_config_write
+};
+
+static struct pci_controller vlynq_controller = {
+ .pci_ops = &vlynq_pci_ops,
+ .io_resource = &vlynq_io_resource,
+ .mem_resource = &vlynq_mem_resource,
+};
+
+static int vlynq_pci_probe(struct vlynq_device *dev)
+{
+ int result, i;
+ u32 chip_id, addr;
+ struct vlynq_pci_private *priv;
+ struct vlynq_mapping mapping[4] = { { 0, }, };
+ struct vlynq_pci_config *config = NULL;
+
+ result = vlynq_set_local_irq(dev, 31);
+ if (result)
+ return result;
+
+ result = vlynq_set_remote_irq(dev, 30);
+ if (result)
+ return result;
+
+ result = vlynq_device_enable(dev);
+ if (result)
+ return result;
+
+ chip_id = vlynq_remote_id(dev);
+ for (i = 0; i < ARRAY_SIZE(known_devices); i++)
+ if (chip_id == known_devices[i].chip_id)
+ config = &known_devices[i];
+
+ if (!config) {
+ printk("vlynq-pci: skipping unknown device "
+ "%04x:%04x at %s\n", chip_id >> 16,
+ chip_id & 0xffff, dev->dev.bus_id);
+ result = -ENODEV;
+ goto fail;
+ }
+
+ printk("vlynq-pci: attaching device %s at %s\n",
+ config->name, dev->dev.bus_id);
+
+ priv = kmalloc(sizeof(struct vlynq_pci_private), GFP_KERNEL);
+ if (!priv) {
+ printk(KERN_ERR "%s: failed to allocate private data\n",
+ dev->dev.bus_id);
+ result = -ENOMEM;
+ goto fail;
+ }
+
+ memset(priv, 0, sizeof(struct vlynq_pci_private));
+ priv->latency = 64;
+ priv->cache_line = 32;
+ priv->config = config;
+
+ mapping[0].offset = ARCH_PFN_OFFSET << PAGE_SHIFT;
+ mapping[0].size = 0x02000000;
+ vlynq_set_local_mapping(dev, dev->mem_start, mapping);
+ vlynq_set_remote_mapping(dev, 0, config->rx_mapping);
+
+ addr = (u32)ioremap_nocache(dev->mem_start, 0x10000);
+ if (!addr) {
+ printk(KERN_ERR "%s: failed to remap io memory\n",
+ dev->dev.bus_id);
+ result = -ENXIO;
+ goto fail;
+ }
+
+ for (i = 0; i < config->num_regs; i++)
+ *(volatile u32 *)(addr + config->regs[i].offset) =
+ config->regs[i].value;
+
+ dev->priv = priv;
+ for (i = 0; i < VLYNQ_PCI_SLOTS; i++) {
+ if (!slots[i]) {
+ slots[i] = dev;
+ break;
+ }
+ }
+
+ return 0;
+
+fail:
+ vlynq_device_disable(dev);
+
+ return result;
+}
+
+static int vlynq_pci_remove(struct vlynq_device *dev)
+{
+ int i;
+ struct vlynq_pci_private *priv = dev->priv;
+
+ for (i = 0; i < VLYNQ_PCI_SLOTS; i++)
+ if (slots[i] == dev)
+ slots[i] = NULL;
+
+ vlynq_device_disable(dev);
+ kfree(priv);
+
+ return 0;
+}
+
+static struct vlynq_driver vlynq_pci = {
+ .name = "PCI over VLYNQ emulation",
+ .probe = vlynq_pci_probe,
+ .remove = vlynq_pci_remove,
+};
+
+int vlynq_pci_init(void)
+{
+ int res;
+ res = vlynq_register_driver(&vlynq_pci);
+ if (res)
+ return res;
+
+ register_pci_controller(&vlynq_controller);
+
+ return 0;
+}
+
+int pcibios_map_irq(struct pci_dev *pdev, u8 slot, u8 pin)
+{
+ struct vlynq_device *dev;
+ struct vlynq_pci_private *priv;
+
+ dev = slots[slot];
+
+ if (!dev)
+ return 0;
+
+ priv = dev->priv;
+
+ return vlynq_virq_to_irq(dev, priv->config->irq);
+}
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ return 0;
+}
diff --git a/target/linux/ar7-2.6/files/arch/mips/ar7/vlynq.c b/target/linux/ar7-2.6/files/arch/mips/ar7/vlynq.c
new file mode 100644
index 0000000000..80cb836d9a
--- /dev/null
+++ b/target/linux/ar7-2.6/files/arch/mips/ar7/vlynq.c
@@ -0,0 +1,543 @@
+/*
+ * $Id$
+ *
+ * Copyright (C) 2006, 2007 OpenWrt.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/ioport.h>
+#include <linux/errno.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
+#include <asm/ar7/vlynq.h>
+
+#define PER_DEVICE_IRQS 32
+
+#define VLYNQ_CTRL_PM_ENABLE 0x80000000
+#define VLYNQ_CTRL_CLOCK_INT 0x00008000
+#define VLYNQ_CTRL_CLOCK_DIV(x) ((x & 7) << 16)
+#define VLYNQ_CTRL_INT_LOCAL 0x00004000
+#define VLYNQ_CTRL_INT_ENABLE 0x00002000
+#define VLYNQ_CTRL_INT_VECTOR(x) ((x & 0x1f) << 8)
+#define VLYNQ_CTRL_INT2CFG 0x00000080
+#define VLYNQ_CTRL_RESET 0x00000001
+
+#define VLYNQ_STATUS_RERROR 0x00000100
+#define VLYNQ_STATUS_LERROR 0x00000080
+#define VLYNQ_STATUS_LINK 0x00000001
+
+#define VINT_ENABLE 0x00000100
+#define VINT_TYPE_EDGE 0x00000080
+#define VINT_LEVEL_LOW 0x00000040
+#define VINT_VECTOR(x) (x & 0x1f)
+#define VINT_OFFSET(irq) (8 * ((irq) % 4))
+
+#define VLYNQ_AUTONEGO_V2 0x00010000
+
+struct vlynq_regs {
+ volatile u32 revision;
+ volatile u32 control;
+ volatile u32 status;
+ volatile u32 int_prio;
+ volatile u32 int_status;
+ volatile u32 int_pending;
+ volatile u32 int_ptr;
+ volatile u32 tx_offset;
+ volatile struct vlynq_mapping rx_mapping[4];
+ volatile u32 chip;
+ volatile u32 autonego;
+ volatile u32 unused[6];
+ volatile u32 int_device[8];
+} __attribute__ ((packed));
+
+#ifdef VLYNQ_DEBUG
+static void vlynq_dump_regs(struct vlynq_device *dev)
+{
+ int i;
+ printk("VLYNQ local=%p remote=%p\n", dev->local, dev->remote);
+ for (i = 0; i < 32; i++) {
+ printk("VLYNQ: local %d: %08x\n", i + 1, ((u32 *)dev->local)[i]);
+ printk("VLYNQ: remote %d: %08x\n", i + 1, ((u32 *)dev->remote)[i]);
+ }
+}
+
+static void vlynq_dump_mem(u32 *base, int count)
+{
+ int i;
+ for (i = 0; i < (count + 3) / 4; i++) {
+ if (i % 4 == 0) printk("\nMEM[0x%04x]:", i * 4);
+ printk(" 0x%08x", *(base + i));
+ }
+ printk("\n");
+}
+#endif
+
+int vlynq_linked(struct vlynq_device *dev)
+{
+ int i;
+ for (i = 0; i < 10; i++)
+ if (dev->local->status & VLYNQ_STATUS_LINK) {
+ printk("%s: linked\n", dev->dev.bus_id);
+ return 1;
+ } else {
+ mdelay(1);
+ }
+ return 0;
+}
+
+static void vlynq_irq_unmask(unsigned int irq)
+{
+ volatile u32 val;
+ struct vlynq_device *dev = irq_desc[irq].chip_data;
+ int virq;
+
+ BUG_ON(!dev);
+ virq = irq - dev->irq_start;
+ val = dev->remote->int_device[virq >> 2];
+ val |= VINT_ENABLE << VINT_OFFSET(virq);
+ dev->remote->int_device[virq >> 2] = val;
+}
+
+static void vlynq_irq_mask(unsigned int irq)
+{
+ volatile u32 val;
+ struct vlynq_device *dev = irq_desc[irq].chip_data;
+ int virq;
+
+ BUG_ON(!dev);
+ virq = irq - dev->irq_start;
+ val = dev->remote->int_device[virq >> 2];
+ val &= ~(VINT_ENABLE << VINT_OFFSET(virq));
+ dev->remote->int_device[virq >> 2] = val;
+}
+
+static int vlynq_irq_type(unsigned int irq, unsigned int flow_type)
+{
+ volatile u32 val;
+ struct vlynq_device *dev = irq_desc[irq].chip_data;
+ int virq;
+
+ BUG_ON(!dev);
+ virq = irq - dev->irq_start;
+ val = dev->remote->int_device[virq >> 2];
+ switch (flow_type & IRQ_TYPE_SENSE_MASK) {
+ case IRQ_TYPE_EDGE_RISING:
+ case IRQ_TYPE_EDGE_FALLING:
+ case IRQ_TYPE_EDGE_BOTH:
+ val |= VINT_TYPE_EDGE << VINT_OFFSET(virq);
+ val &= ~(VINT_LEVEL_LOW << VINT_OFFSET(virq));
+ break;
+ case IRQ_TYPE_LEVEL_HIGH:
+ val &= ~(VINT_TYPE_EDGE << VINT_OFFSET(virq));
+ val &= ~(VINT_LEVEL_LOW << VINT_OFFSET(virq));
+ break;
+ case IRQ_TYPE_LEVEL_LOW:
+ val &= ~(VINT_TYPE_EDGE << VINT_OFFSET(virq));
+ val |= VINT_LEVEL_LOW << VINT_OFFSET(virq);
+ break;
+ default:
+ return -EINVAL;
+ }
+ dev->remote->int_device[virq >> 2] = val;
+ return 0;
+}
+
+static irqreturn_t vlynq_irq(int irq, void *dev_id)
+{
+ struct vlynq_device *dev = dev_id;
+ u32 status, ack;
+ int virq = 0;
+
+ status = dev->local->int_status;
+ dev->local->int_status = status;
+
+ if (status & (1 << dev->local_irq)) { /* Local vlynq IRQ. Ack */
+ ack = dev->local->status;
+ dev->local->status = ack;
+ }
+
+ if (status & (1 << dev->remote_irq)) { /* Remote vlynq IRQ. Ack */
+ ack = dev->remote->status;
+ dev->remote->status = ack;
+ }
+
+ status &= ~((1 << dev->local_irq) | (1 << dev->remote_irq));
+ while (status) {
+ if (status & 1) /* Remote device IRQ. Pass. */
+ do_IRQ(dev->irq_start + virq);
+ status >>= 1;
+ virq++;
+ }
+
+ return IRQ_HANDLED;
+}
+
+static struct irq_chip vlynq_irq_chip = {
+ .name = "vlynq",
+ .unmask = vlynq_irq_unmask,
+ .mask = vlynq_irq_mask,
+ .set_type = vlynq_irq_type,
+};
+
+static int vlynq_setup_irq(struct vlynq_device *dev)
+{
+ u32 val;
+ int i;
+
+ if (dev->local_irq == dev->remote_irq) {
+ printk("%s: local vlynq irq should be different from remote\n",
+ dev->dev.bus_id);
+ return -EINVAL;
+ }
+
+ val = VLYNQ_CTRL_INT_VECTOR(dev->local_irq);
+ val |= VLYNQ_CTRL_INT_ENABLE | VLYNQ_CTRL_INT_LOCAL |
+ VLYNQ_CTRL_INT2CFG;
+ dev->local->int_ptr = 0x14;
+ dev->local->control |= val;
+
+ val = VLYNQ_CTRL_INT_VECTOR(dev->remote_irq);
+ val |= VLYNQ_CTRL_INT_ENABLE;
+ dev->remote->int_ptr = 0x14;
+ dev->remote->control |= val;
+
+ for (i = 0; i < PER_DEVICE_IRQS; i++) {
+ if ((i == dev->local_irq) || (i == dev->remote_irq))
+ continue;
+ irq_desc[dev->irq_start + i].status = IRQ_DISABLED;
+ irq_desc[dev->irq_start + i].action = 0;
+ irq_desc[dev->irq_start + i].depth = 1;
+ irq_desc[dev->irq_start + i].chip = &vlynq_irq_chip;
+ irq_desc[dev->irq_start + i].chip_data = dev;
+ dev->remote->int_device[i >> 2] = 0;
+ }
+
+ if (request_irq(dev->irq, vlynq_irq, SA_SHIRQ, "AR7 VLYNQ", dev)) {
+ printk("%s: request_irq failed\n", dev->dev.bus_id);
+ return -EAGAIN;
+ }
+
+ return 0;
+}
+
+static void vlynq_free_irq(struct vlynq_device *dev)
+{
+ free_irq(dev->irq, dev);
+}
+
+static void vlynq_device_release(struct device *dev)
+{
+ struct vlynq_device *vdev = to_vlynq_device(dev);
+ kfree(vdev);
+}
+
+static int vlynq_device_probe(struct device *dev)
+{
+ struct vlynq_driver *drv = to_vlynq_driver(dev->driver);
+ if (drv->probe)
+ return drv->probe(to_vlynq_device(dev));
+ return 0;
+}
+
+static int vlynq_device_remove(struct device *dev)
+{
+ struct vlynq_driver *drv = to_vlynq_driver(dev->driver);
+ if (drv->remove)
+ return drv->remove(to_vlynq_device(dev));
+ return 0;
+}
+
+int __vlynq_register_driver(struct vlynq_driver *driver, struct module *owner)
+{
+ driver->driver.name = driver->name;
+ driver->driver.bus = &vlynq_bus_type;
+/* driver->driver.owner = owner;*/
+ return driver_register(&driver->driver);
+}
+EXPORT_SYMBOL(__vlynq_register_driver);
+
+void vlynq_unregister_driver(struct vlynq_driver *driver)
+{
+ driver_unregister(&driver->driver);
+}
+EXPORT_SYMBOL(vlynq_unregister_driver);
+
+int vlynq_device_enable(struct vlynq_device *dev)
+{
+ u32 val;
+ int result;
+ struct plat_vlynq_ops *ops = dev->dev.platform_data;
+
+ result = ops->on(dev);
+ if (result)
+ return result;
+
+ dev->local->control = 0;
+ dev->remote->control = 0;
+
+ if (vlynq_linked(dev))
+ return vlynq_setup_irq(dev);
+
+ for (val = 0; val < 8; val++) {
+ dev->local->control = VLYNQ_CTRL_CLOCK_DIV(val) |
+ VLYNQ_CTRL_CLOCK_INT;
+ if (vlynq_linked(dev))
+ return vlynq_setup_irq(dev);
+ }
+}
+
+void vlynq_device_disable(struct vlynq_device *dev)
+{
+ struct plat_vlynq_ops *ops = dev->dev.platform_data;
+
+ vlynq_free_irq(dev);
+ ops->off(dev);
+}
+
+u32 vlynq_local_id(struct vlynq_device *dev)
+{
+ return dev->local->chip;
+}
+
+u32 vlynq_remote_id(struct vlynq_device *dev)
+{
+ return dev->remote->chip;
+}
+
+void vlynq_set_local_mapping(struct vlynq_device *dev, u32 tx_offset,
+ struct vlynq_mapping *mapping)
+{
+ int i;
+
+ dev->local->tx_offset = tx_offset;
+ for (i = 0; i < 4; i++) {
+ dev->local->rx_mapping[i].offset = mapping[i].offset;
+ dev->local->rx_mapping[i].size = mapping[i].size;
+ }
+}
+
+void vlynq_set_remote_mapping(struct vlynq_device *dev, u32 tx_offset,
+ struct vlynq_mapping *mapping)
+{
+ int i;
+
+ dev->remote->tx_offset = tx_offset;
+ for (i = 0; i < 4; i++) {
+ dev->remote->rx_mapping[i].offset = mapping[i].offset;
+ dev->remote->rx_mapping[i].size = mapping[i].size;
+ }
+}
+
+int vlynq_virq_to_irq(struct vlynq_device *dev, int virq)
+{
+ if ((virq < 0) || (virq >= PER_DEVICE_IRQS))
+ return -EINVAL;
+
+ if ((virq == dev->local_irq) || (virq == dev->remote_irq))
+ return -EINVAL;
+
+ return dev->irq_start + virq;
+}
+
+int vlynq_irq_to_virq(struct vlynq_device *dev, int irq)
+{
+ if ((irq < dev->irq_start) || (irq >= dev->irq_start + PER_DEVICE_IRQS))
+ return -EINVAL;
+
+ return irq - dev->irq_start;
+}
+
+int vlynq_set_local_irq(struct vlynq_device *dev, int virq)
+{
+ if ((virq < 0) || (virq >= PER_DEVICE_IRQS))
+ return -EINVAL;
+
+ if (virq == dev->remote_irq)
+ return -EINVAL;
+
+ dev->local_irq = virq;
+
+ return 0;
+}
+
+int vlynq_set_remote_irq(struct vlynq_device *dev, int virq)
+{
+ if ((virq < 0) || (virq >= PER_DEVICE_IRQS))
+ return -EINVAL;
+
+ if (virq == dev->local_irq)
+ return -EINVAL;
+
+ dev->remote_irq = virq;
+
+ return 0;
+}
+
+static int vlynq_probe(struct platform_device *pdev)
+{
+ struct vlynq_device *dev;
+ struct resource *regs_res, *mem_res, *irq_res;
+ int len, result;
+
+ if (strcmp(pdev->name, "vlynq"))
+ return -ENODEV;
+
+ regs_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
+ if (!regs_res)
+ return -ENODEV;
+
+ mem_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mem");
+ if (!mem_res)
+ return -ENODEV;
+
+ irq_res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "devirq");
+ if (!irq_res)
+ return -ENODEV;
+
+ dev = kmalloc(sizeof(struct vlynq_device), GFP_KERNEL);
+ if (!dev) {
+ printk(KERN_ERR "vlynq: failed to allocate device structure\n");
+ return -ENOMEM;
+ }
+
+ memset(dev, 0, sizeof(struct vlynq_device));
+
+ dev->id = pdev->id;
+ dev->dev.bus = &vlynq_bus_type;
+ dev->dev.parent = &pdev->dev;
+ snprintf(dev->dev.bus_id, BUS_ID_SIZE, "vlynq%d", dev->id);
+ dev->dev.bus_id[BUS_ID_SIZE - 1] = 0;
+ dev->dev.platform_data = pdev->dev.platform_data;
+ dev->dev.release = vlynq_device_release;
+
+ dev->regs_start = regs_res->start;
+ dev->regs_end = regs_res->end;
+ dev->mem_start = mem_res->start;
+ dev->mem_end = mem_res->end;
+
+ len = regs_res->end - regs_res->start;
+ if (!request_mem_region(regs_res->start, len, dev->dev.bus_id)) {
+ printk("%s: Can't request vlynq registers\n", dev->dev.bus_id);
+ result = -ENXIO;
+ goto fail_request;
+ }
+
+ dev->local = ioremap_nocache(regs_res->start, len);
+ if (!dev->local) {
+ printk("%s: Can't remap vlynq registers\n", dev->dev.bus_id);
+ result = -ENXIO;
+ goto fail_remap;
+ }
+
+ dev->remote = (struct vlynq_regs *)((u32)dev->local + 128);
+
+ dev->irq = platform_get_irq_byname(pdev, "irq");
+ dev->irq_start = irq_res->start;
+ dev->irq_end = irq_res->end;
+ dev->local_irq = 31;
+ dev->remote_irq = 30;
+
+ if (device_register(&dev->dev))
+ goto fail_register;
+ platform_set_drvdata(pdev, dev);
+
+ printk("%s: regs 0x%p, irq %d, mem 0x%p\n",
+ dev->dev.bus_id, (void *)dev->regs_start, dev->irq,
+ (void *)dev->mem_start);
+
+ return 0;
+
+fail_register:
+fail_remap:
+ iounmap(dev->local);
+fail_request:
+ release_mem_region(regs_res->start, len);
+ kfree(dev);
+ return result;
+}
+
+static int vlynq_remove(struct platform_device *pdev)
+{
+ struct vlynq_device *dev = platform_get_drvdata(pdev);
+
+ device_unregister(&dev->dev);
+ release_mem_region(dev->regs_start, dev->regs_end - dev->regs_start);
+
+ kfree(dev);
+
+ return 0;
+}
+
+static struct platform_driver vlynq_driver = {
+ .driver.name = "vlynq",
+ .probe = vlynq_probe,
+ .remove = vlynq_remove,
+};
+
+struct bus_type vlynq_bus_type = {
+ .name = "vlynq",
+ .probe = vlynq_device_probe,
+ .remove = vlynq_device_remove,
+};
+EXPORT_SYMBOL(vlynq_bus_type);
+
+#ifdef CONFIG_PCI
+extern void vlynq_pci_init(void);
+#endif
+int __init vlynq_init(void)
+{
+ int res = 0;
+
+ res = bus_register(&vlynq_bus_type);
+ if (res)
+ goto fail_bus;
+
+ res = platform_driver_register(&vlynq_driver);
+ if (res)
+ goto fail_platform;
+
+#ifdef CONFIG_PCI
+ vlynq_pci_init();
+#endif
+
+ return 0;
+
+fail_platform:
+ bus_unregister(&vlynq_bus_type);
+fail_bus:
+ return res;
+}
+
+/*
+void __devexit vlynq_exit(void)
+{
+ platform_driver_unregister(&vlynq_driver);
+ bus_unregister(&vlynq_bus_type);
+}
+*/
+
+
+subsys_initcall(vlynq_init);