diff options
Diffstat (limited to 'arch/sh/cchips/voyagergx')
| -rw-r--r-- | arch/sh/cchips/voyagergx/Makefile | 8 | ||||
| -rw-r--r-- | arch/sh/cchips/voyagergx/consistent.c | 126 | ||||
| -rw-r--r-- | arch/sh/cchips/voyagergx/irq.c | 194 | ||||
| -rw-r--r-- | arch/sh/cchips/voyagergx/setup.c | 37 |
4 files changed, 0 insertions, 365 deletions
diff --git a/arch/sh/cchips/voyagergx/Makefile b/arch/sh/cchips/voyagergx/Makefile deleted file mode 100644 index 085de72fd32..00000000000 --- a/arch/sh/cchips/voyagergx/Makefile +++ /dev/null @@ -1,8 +0,0 @@ -# -# Makefile for VoyagerGX -# - -obj-y := irq.o setup.o - -obj-$(CONFIG_USB_OHCI_HCD) += consistent.o - diff --git a/arch/sh/cchips/voyagergx/consistent.c b/arch/sh/cchips/voyagergx/consistent.c deleted file mode 100644 index 3d9a02c093a..00000000000 --- a/arch/sh/cchips/voyagergx/consistent.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * arch/sh/cchips/voyagergx/consistent.c - * - * Copyright (C) 2004 Paul Mundt - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#include <linux/mm.h> -#include <linux/dma-mapping.h> -#include <linux/slab.h> -#include <linux/list.h> -#include <linux/types.h> -#include <linux/module.h> -#include <linux/device.h> -#include <asm/io.h> -#include <asm/bus-sh.h> - -struct voya_alloc_entry { - struct list_head list; - unsigned long ofs; - unsigned long len; -}; - -static DEFINE_SPINLOCK(voya_list_lock); -static LIST_HEAD(voya_alloc_list); - -#define OHCI_SRAM_START 0xb0000000 -#define OHCI_HCCA_SIZE 0x100 -#define OHCI_SRAM_SIZE 0x10000 - -void *voyagergx_consistent_alloc(struct device *dev, size_t size, - dma_addr_t *handle, gfp_t flag) -{ - struct list_head *list = &voya_alloc_list; - struct voya_alloc_entry *entry; - struct sh_dev *shdev = to_sh_dev(dev); - unsigned long start, end; - unsigned long flags; - - /* - * The SM501 contains an integrated 8051 with its own SRAM. - * Devices within the cchip can all hook into the 8051 SRAM. - * We presently use this for the OHCI. - * - * Everything else goes through consistent_alloc(). - */ - if (!dev || dev->bus != &sh_bus_types[SH_BUS_VIRT] || - (dev->bus == &sh_bus_types[SH_BUS_VIRT] && - shdev->dev_id != SH_DEV_ID_USB_OHCI)) - return NULL; - - start = OHCI_SRAM_START + OHCI_HCCA_SIZE; - - entry = kmalloc(sizeof(struct voya_alloc_entry), GFP_ATOMIC); - if (!entry) - return ERR_PTR(-ENOMEM); - - entry->len = (size + 15) & ~15; - - /* - * The basis for this allocator is dwmw2's malloc.. the - * Matrox allocator :-) - */ - spin_lock_irqsave(&voya_list_lock, flags); - list_for_each(list, &voya_alloc_list) { - struct voya_alloc_entry *p; - - p = list_entry(list, struct voya_alloc_entry, list); - - if (p->ofs - start >= size) - goto out; - - start = p->ofs + p->len; - } - - end = start + (OHCI_SRAM_SIZE - OHCI_HCCA_SIZE); - list = &voya_alloc_list; - - if (end - start >= size) { -out: - entry->ofs = start; - list_add_tail(&entry->list, list); - spin_unlock_irqrestore(&voya_list_lock, flags); - - *handle = start; - return (void *)start; - } - - kfree(entry); - spin_unlock_irqrestore(&voya_list_lock, flags); - - return ERR_PTR(-EINVAL); -} - -int voyagergx_consistent_free(struct device *dev, size_t size, - void *vaddr, dma_addr_t handle) -{ - struct voya_alloc_entry *entry; - struct sh_dev *shdev = to_sh_dev(dev); - unsigned long flags; - - if (!dev || dev->bus != &sh_bus_types[SH_BUS_VIRT] || - (dev->bus == &sh_bus_types[SH_BUS_VIRT] && - shdev->dev_id != SH_DEV_ID_USB_OHCI)) - return -EINVAL; - - spin_lock_irqsave(&voya_list_lock, flags); - list_for_each_entry(entry, &voya_alloc_list, list) { - if (entry->ofs != handle) - continue; - - list_del(&entry->list); - kfree(entry); - - break; - } - spin_unlock_irqrestore(&voya_list_lock, flags); - - return 0; -} - -EXPORT_SYMBOL(voyagergx_consistent_alloc); -EXPORT_SYMBOL(voyagergx_consistent_free); - diff --git a/arch/sh/cchips/voyagergx/irq.c b/arch/sh/cchips/voyagergx/irq.c deleted file mode 100644 index 1b6ac523b45..00000000000 --- a/arch/sh/cchips/voyagergx/irq.c +++ /dev/null @@ -1,194 +0,0 @@ -/* -------------------------------------------------------------------- */ -/* setup_voyagergx.c: */ -/* -------------------------------------------------------------------- */ -/* 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., 675 Mass Ave, Cambridge, MA 02139, USA. - - Copyright 2003 (c) Lineo uSolutions,Inc. -*/ -/* -------------------------------------------------------------------- */ - -#undef DEBUG - -#include <linux/config.h> -#include <linux/sched.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/irq.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/rts7751r2d/rts7751r2d.h> -#include <asm/rts7751r2d/voyagergx_reg.h> - -static void disable_voyagergx_irq(unsigned int irq) -{ - unsigned long flags, val; - unsigned long mask = 1 << (irq - VOYAGER_IRQ_BASE); - - pr_debug("disable_voyagergx_irq(%d): mask=%x\n", irq, mask); - local_irq_save(flags); - val = inl(VOYAGER_INT_MASK); - val &= ~mask; - outl(val, VOYAGER_INT_MASK); - local_irq_restore(flags); -} - - -static void enable_voyagergx_irq(unsigned int irq) -{ - unsigned long flags, val; - unsigned long mask = 1 << (irq - VOYAGER_IRQ_BASE); - - pr_debug("disable_voyagergx_irq(%d): mask=%x\n", irq, mask); - local_irq_save(flags); - val = inl(VOYAGER_INT_MASK); - val |= mask; - outl(val, VOYAGER_INT_MASK); - local_irq_restore(flags); -} - - -static void mask_and_ack_voyagergx(unsigned int irq) -{ - disable_voyagergx_irq(irq); -} - -static void end_voyagergx_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - enable_voyagergx_irq(irq); -} - -static unsigned int startup_voyagergx_irq(unsigned int irq) -{ - enable_voyagergx_irq(irq); - return 0; -} - -static void shutdown_voyagergx_irq(unsigned int irq) -{ - disable_voyagergx_irq(irq); -} - -static struct hw_interrupt_type voyagergx_irq_type = { - .typename = "VOYAGERGX-IRQ", - .startup = startup_voyagergx_irq, - .shutdown = shutdown_voyagergx_irq, - .enable = enable_voyagergx_irq, - .disable = disable_voyagergx_irq, - .ack = mask_and_ack_voyagergx, - .end = end_voyagergx_irq, -}; - -static irqreturn_t voyagergx_interrupt(int irq, void *dev_id, struct pt_regs *regs) -{ - printk(KERN_INFO - "VoyagerGX: spurious interrupt, status: 0x%x\n", - inl(INT_STATUS)); - return IRQ_HANDLED; -} - - -/*====================================================*/ - -static struct { - int (*func)(int, void *); - void *dev; -} voyagergx_demux[VOYAGER_IRQ_NUM]; - -void voyagergx_register_irq_demux(int irq, - int (*demux)(int irq, void *dev), void *dev) -{ - voyagergx_demux[irq - VOYAGER_IRQ_BASE].func = demux; - voyagergx_demux[irq - VOYAGER_IRQ_BASE].dev = dev; -} - -void voyagergx_unregister_irq_demux(int irq) -{ - voyagergx_demux[irq - VOYAGER_IRQ_BASE].func = 0; -} - -int voyagergx_irq_demux(int irq) -{ - - if (irq == IRQ_VOYAGER ) { - unsigned long i = 0, bit __attribute__ ((unused)); - unsigned long val = inl(INT_STATUS); -#if 1 - if ( val & ( 1 << 1 )){ - i = 1; - } else if ( val & ( 1 << 2 )){ - i = 2; - } else if ( val & ( 1 << 6 )){ - i = 6; - } else if( val & ( 1 << 10 )){ - i = 10; - } else if( val & ( 1 << 11 )){ - i = 11; - } else if( val & ( 1 << 12 )){ - i = 12; - } else if( val & ( 1 << 17 )){ - i = 17; - } else { - printk("Unexpected IRQ irq = %d status = 0x%08lx\n", irq, val); - } - pr_debug("voyagergx_irq_demux %d \n", i); -#else - for (bit = 1, i = 0 ; i < VOYAGER_IRQ_NUM ; bit <<= 1, i++) - if (val & bit) - break; -#endif - if (i < VOYAGER_IRQ_NUM) { - irq = VOYAGER_IRQ_BASE + i; - if (voyagergx_demux[i].func != 0) - irq = voyagergx_demux[i].func(irq, voyagergx_demux[i].dev); - } - } - return irq; -} - -static struct irqaction irq0 = { voyagergx_interrupt, SA_INTERRUPT, 0, "VOYAGERGX", NULL, NULL}; - -void __init setup_voyagergx_irq(void) -{ - int i, flag; - - printk(KERN_INFO "VoyagerGX configured at 0x%x on irq %d(mapped into %d to %d)\n", - VOYAGER_BASE, - IRQ_VOYAGER, - VOYAGER_IRQ_BASE, - VOYAGER_IRQ_BASE + VOYAGER_IRQ_NUM - 1); - - for (i=0; i<VOYAGER_IRQ_NUM; i++) { - flag = 0; - switch (VOYAGER_IRQ_BASE + i) { - case VOYAGER_USBH_IRQ: - case VOYAGER_8051_IRQ: - case VOYAGER_UART0_IRQ: - case VOYAGER_UART1_IRQ: - case VOYAGER_AC97_IRQ: - flag = 1; - } - if (flag == 1) - irq_desc[VOYAGER_IRQ_BASE + i].handler = &voyagergx_irq_type; - } - - setup_irq(IRQ_VOYAGER, &irq0); -} - diff --git a/arch/sh/cchips/voyagergx/setup.c b/arch/sh/cchips/voyagergx/setup.c deleted file mode 100644 index 139ca88ac9e..00000000000 --- a/arch/sh/cchips/voyagergx/setup.c +++ /dev/null @@ -1,37 +0,0 @@ -/* - * arch/sh/cchips/voyagergx/setup.c - * - * Setup routines for VoyagerGX cchip. - * - * Copyright (C) 2003 Lineo uSolutions, Inc. - * - * 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. - */ -#include <linux/init.h> -#include <linux/module.h> -#include <asm/io.h> -#include <asm/rts7751r2d/voyagergx_reg.h> - -static int __init setup_voyagergx(void) -{ - unsigned long val; - - val = inl(DRAM_CTRL); - val |= (DRAM_CTRL_CPU_COLUMN_SIZE_256 | - DRAM_CTRL_CPU_ACTIVE_PRECHARGE | - DRAM_CTRL_CPU_RESET | - DRAM_CTRL_REFRESH_COMMAND | - DRAM_CTRL_BLOCK_WRITE_TIME | - DRAM_CTRL_BLOCK_WRITE_PRECHARGE | - DRAM_CTRL_ACTIVE_PRECHARGE | - DRAM_CTRL_RESET | - DRAM_CTRL_REMAIN_ACTIVE); - outl(val, DRAM_CTRL); - - return 0; -} - -module_init(setup_voyagergx); |