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authorflorian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-03-26 10:12:48 +0000
committerflorian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>2010-03-26 10:12:48 +0000
commitb33a0cab3fdfb9471cb0d8ca07a7dbdd373682e0 (patch)
tree33b87be8f06365079d51ef7dbabdf9cc05680a8c /target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/clk.c
parent338ed10277f9bd004541981fd083b3d29a459f4f (diff)
[brcm63xx] drop support for 2.6.30 kernel
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20438 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/clk.c')
-rw-r--r--target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/clk.c249
1 files changed, 0 insertions, 249 deletions
diff --git a/target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/clk.c b/target/linux/brcm63xx/files-2.6.30/arch/mips/bcm63xx/clk.c
deleted file mode 100644
index eaf6196c7..000000000
--- a/target/linux/brcm63xx/files-2.6.30/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);