move files to files-2.6.30, to ease newer kernel integration

[openwrt/openwrt.git] / target / linux / brcm63xx / files / arch / mips / bcm63xx / clk.c

diff --git a/target/linux/brcm63xx/files/arch/mips/bcm63xx/clk.c b/target/linux/brcm63xx/files/arch/mips/bcm63xx/clk.c
deleted file mode 100644 (file)
index eaf6196..0000000
--- a/target/linux/brcm63xx/files/arch/mips/bcm63xx/clk.c
+++ /dev/null
@@ -1,249 +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/module.h>
-#include <linux/mutex.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <bcm63xx_cpu.h>
-#include <bcm63xx_io.h>
-#include <bcm63xx_regs.h>
-#include <bcm63xx_clk.h>
-
-DEFINE_MUTEX(clocks_mutex);
-
-
-static void clk_enable_unlocked(struct clk *clk)
-{
-       if (clk->set && (clk->usage++) == 0)
-               clk->set(clk, 1);
-}
-
-static void clk_disable_unlocked(struct clk *clk)
-{
-       if (clk->set && (--clk->usage) == 0)
-               clk->set(clk, 0);
-}
-
-static void bcm_hwclock_set(u32 mask, int enable)
-{
-       u32 reg;
-
-       reg = bcm_perf_readl(PERF_CKCTL_REG);
-       if (enable)
-               reg |= mask;
-       else
-               reg &= ~mask;
-       bcm_perf_writel(reg, PERF_CKCTL_REG);
-}
-
-/*
- * Ethernet MAC "misc" clock: dma clocks and main clock on 6348
- */
-static void enet_misc_set(struct clk *clk, int enable)
-{
-       u32 mask;
-
-       if (BCMCPU_IS_6338())
-               mask = CKCTL_6338_ENET_EN;
-       else if (BCMCPU_IS_6345())
-               mask = CKCTL_6345_ENET_EN;
-       else if (BCMCPU_IS_6348())
-               mask = CKCTL_6348_ENET_EN;
-       else
-               /* BCMCPU_IS_6358 */
-               mask = CKCTL_6358_EMUSB_EN;
-       bcm_hwclock_set(mask, enable);
-}
-
-static struct clk clk_enet_misc = {
-       .set    = enet_misc_set,
-};
-
-/*
- * Ethernet MAC clocks: only revelant on 6358, silently enable misc
- * clocks
- */
-static void enetx_set(struct clk *clk, int enable)
-{
-       if (enable)
-               clk_enable_unlocked(&clk_enet_misc);
-       else
-               clk_disable_unlocked(&clk_enet_misc);
-
-       if (BCMCPU_IS_6358()) {
-               u32 mask;
-
-               if (clk->id == 0)
-                       mask = CKCTL_6358_ENET0_EN;
-               else
-                       mask = CKCTL_6358_ENET1_EN;
-               bcm_hwclock_set(mask, enable);
-       }
-}
-
-static struct clk clk_enet0 = {
-       .id     = 0,
-       .set    = enetx_set,
-};
-
-static struct clk clk_enet1 = {
-       .id     = 1,
-       .set    = enetx_set,
-};
-
-/*
- * Ethernet PHY clock
- */
-static void ephy_set(struct clk *clk, int enable)
-{
-       if (!BCMCPU_IS_6358())
-               return;
-       bcm_hwclock_set(CKCTL_6358_EPHY_EN, enable);
-}
-
-
-static struct clk clk_ephy = {
-       .set    = ephy_set,
-};
-
-/*
- * PCM clock
- */
-static void pcm_set(struct clk *clk, int enable)
-{
-       if (!BCMCPU_IS_6358())
-               return;
-       bcm_hwclock_set(CKCTL_6358_PCM_EN, enable);
-}
-
-static struct clk clk_pcm = {
-       .set    = pcm_set,
-};
-
-/*
- * USB host clock
- */
-static void usbh_set(struct clk *clk, int enable)
-{
-       if (!BCMCPU_IS_6348())
-               return;
-       bcm_hwclock_set(CKCTL_6348_USBH_EN, enable);
-}
-
-static struct clk clk_usbh = {
-       .set    = usbh_set,
-};
-
-/*
- * USB slave clock
- */
-static void usbs_set(struct clk *clk, int enable)
-{
-       u32 mask;
-
-       switch(bcm63xx_get_cpu_id()) {
-       case BCM6338_CPU_ID: mask = CKCTL_6338_USBS_EN; break;
-       case BCM6345_CPU_ID: mask = CKCTL_6345_USBS_EN; break;
-       case BCM6348_CPU_ID: mask = CKCTL_6348_USBS_EN; break;
-       default:
-               return;
-       }
-       bcm_hwclock_set(mask, enable);
-}
-
-static struct clk clk_usbs = {
-       .set    = usbs_set,
-};
-
-/*
- * SPI clock
- */
-static void spi_set(struct clk *clk, int enable)
-{
-       u32 mask;
-
-       if (BCMCPU_IS_6338())
-               mask = CKCTL_6338_SPI_EN;
-       else if (BCMCPU_IS_6348())
-               mask = CKCTL_6348_SPI_EN;
-       else
-               /* BCMCPU_IS_6358 */
-               mask = CKCTL_6358_SPI_EN;
-       bcm_hwclock_set(mask, enable);
-}
-
-static struct clk clk_spi = {
-       .set    = spi_set,
-};
-
-/*
- * Internal peripheral clock
- */
-static struct clk clk_periph = {
-       .rate   = (50 * 1000 * 1000),
-};
-
-
-/*
- * Linux clock API implementation
- */
-int clk_enable(struct clk *clk)
-{
-       mutex_lock(&clocks_mutex);
-       clk_enable_unlocked(clk);
-       mutex_unlock(&clocks_mutex);
-       return 0;
-}
-
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-       mutex_lock(&clocks_mutex);
-       clk_disable_unlocked(clk);
-       mutex_unlock(&clocks_mutex);
-}
-
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
-       return clk->rate;
-}
-
-EXPORT_SYMBOL(clk_get_rate);
-
-struct clk *clk_get(struct device *dev, const char *id)
-{
-       if (!strcmp(id, "enet0"))
-               return &clk_enet0;
-       if (!strcmp(id, "enet1"))
-               return &clk_enet1;
-       if (!strcmp(id, "ephy"))
-               return &clk_ephy;
-       if (!strcmp(id, "usbh"))
-               return &clk_usbh;
-       if (!strcmp(id, "usbs"))
-               return &clk_usbs;
-       if (!strcmp(id, "spi"))
-               return &clk_spi;
-       if (!strcmp(id, "periph"))
-               return &clk_periph;
-       if (BCMCPU_IS_6358() && !strcmp(id, "pcm"))
-               return &clk_pcm;
-       return ERR_PTR(-ENOENT);
-}
-
-EXPORT_SYMBOL(clk_get);
-
-void clk_put(struct clk *clk)
-{
-}
-
-EXPORT_SYMBOL(clk_put);