[brcm63xx] move files to files-2.6.30, to ease newer kernel integration

[openwrt/svn-archive/archive.git] / target / linux / brcm63xx / files / arch / mips / bcm63xx / cs.c

diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/cs.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/cs.c
deleted file mode 100644 (file)
index 50d8190..0000000
--- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/cs.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * 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.
- *
- * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <linux/log2.h>
-#include <bcm63xx_cpu.h>
-#include <bcm63xx_io.h>
-#include <bcm63xx_regs.h>
-#include <bcm63xx_cs.h>
-
-static DEFINE_SPINLOCK(bcm63xx_cs_lock);
-
-/*
- * check if given chip select exists
- */
-static int is_valid_cs(unsigned int cs)
-{
-       if (cs > 6)
-               return 0;
-       return 1;
-}
-
-/*
- * Configure chipselect base address and size (bytes).
- * Size must be a power of two between 8k and 256M.
- */
-int bcm63xx_set_cs_base(unsigned int cs, u32 base, unsigned int size)
-{
-       unsigned long flags;
-       u32 val;
-
-       if (!is_valid_cs(cs))
-               return -EINVAL;
-
-       /* sanity check on size */
-       if (size != roundup_pow_of_two(size))
-               return -EINVAL;
-
-       if (size < 8 * 1024 || size > 256 * 1024 * 1024)
-               return -EINVAL;
-
-       val = (base & MPI_CSBASE_BASE_MASK);
-       /* 8k => 0 - 256M => 15 */
-       val |= (ilog2(size) - ilog2(8 * 1024)) << MPI_CSBASE_SIZE_SHIFT;
-
-       spin_lock_irqsave(&bcm63xx_cs_lock, flags);
-       bcm_mpi_writel(val, MPI_CSBASE_REG(cs));
-       spin_unlock_irqrestore(&bcm63xx_cs_lock, flags);
-
-       return 0;
-}
-
-EXPORT_SYMBOL(bcm63xx_set_cs_base);
-
-/*
- * configure chipselect timing (ns)
- */
-int bcm63xx_set_cs_timing(unsigned int cs, unsigned int wait,
-                          unsigned int setup, unsigned int hold)
-{
-       unsigned long flags;
-       u32 val;
-
-       if (!is_valid_cs(cs))
-               return -EINVAL;
-
-       spin_lock_irqsave(&bcm63xx_cs_lock, flags);
-       val = bcm_mpi_readl(MPI_CSCTL_REG(cs));
-       val &= ~(MPI_CSCTL_WAIT_MASK);
-       val &= ~(MPI_CSCTL_SETUP_MASK);
-       val &= ~(MPI_CSCTL_HOLD_MASK);
-       val |= wait << MPI_CSCTL_WAIT_SHIFT;
-       val |= setup << MPI_CSCTL_SETUP_SHIFT;
-       val |= hold << MPI_CSCTL_HOLD_SHIFT;
-       bcm_mpi_writel(val, MPI_CSCTL_REG(cs));
-       spin_unlock_irqrestore(&bcm63xx_cs_lock, flags);
-
-       return 0;
-}
-
-EXPORT_SYMBOL(bcm63xx_set_cs_timing);
-
-/*
- * configure other chipselect parameter (data bus size, ...)
- */
-int bcm63xx_set_cs_param(unsigned int cs, u32 params)
-{
-       unsigned long flags;
-       u32 val;
-
-       if (!is_valid_cs(cs))
-               return -EINVAL;
-
-       /* none of this fields apply to pcmcia */
-       if (cs == MPI_CS_PCMCIA_COMMON ||
-           cs == MPI_CS_PCMCIA_ATTR ||
-           cs == MPI_CS_PCMCIA_IO)
-               return -EINVAL;
-
-       spin_lock_irqsave(&bcm63xx_cs_lock, flags);
-       val = bcm_mpi_readl(MPI_CSCTL_REG(cs));
-       val &= ~(MPI_CSCTL_DATA16_MASK);
-       val &= ~(MPI_CSCTL_SYNCMODE_MASK);
-       val &= ~(MPI_CSCTL_TSIZE_MASK);
-       val &= ~(MPI_CSCTL_ENDIANSWAP_MASK);
-       val |= params;
-       bcm_mpi_writel(val, MPI_CSCTL_REG(cs));
-       spin_unlock_irqrestore(&bcm63xx_cs_lock, flags);
-
-       return 0;
-}
-
-EXPORT_SYMBOL(bcm63xx_set_cs_param);
-
-/*
- * set cs status (enable/disable)
- */
-int bcm63xx_set_cs_status(unsigned int cs, int enable)
-{
-       unsigned long flags;
-       u32 val;
-
-       if (!is_valid_cs(cs))
-               return -EINVAL;
-
-       spin_lock_irqsave(&bcm63xx_cs_lock, flags);
-       val = bcm_mpi_readl(MPI_CSCTL_REG(cs));
-       if (enable)
-               val |= MPI_CSCTL_ENABLE_MASK;
-       else
-               val &= ~MPI_CSCTL_ENABLE_MASK;
-       bcm_mpi_writel(val, MPI_CSCTL_REG(cs));
-       spin_unlock_irqrestore(&bcm63xx_cs_lock, flags);
-       return 0;
-}
-
-EXPORT_SYMBOL(bcm63xx_set_cs_status);