diff options
author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-01-27 11:14:02 -0500 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-01-27 11:14:02 -0500 |
commit | 6c02b7b1610f873888af20f291c07730889ff0f9 (patch) | |
tree | 1b33e6642cc81605b8d37c0bda0abff0ba64fa2d /arch/mips/bcm63xx/clk.c | |
parent | 7a7546b377bdaa25ac77f33d9433c59f259b9688 (diff) | |
parent | dcd6c92267155e70a94b3927bce681ce74b80d1f (diff) |
Merge commit 'v3.3-rc1' into stable/for-linus-fixes-3.3
* commit 'v3.3-rc1': (9775 commits)
Linux 3.3-rc1
x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits
qnx4: don't leak ->BitMap on late failure exits
qnx4: reduce the insane nesting in qnx4_checkroot()
qnx4: di_fname is an array, for crying out loud...
KEYS: Permit key_serial() to be called with a const key pointer
keys: fix user_defined key sparse messages
ima: fix cred sparse warning
uml: fix compile for x86-64
MPILIB: Add a missing ENOMEM check
tpm: fix (ACPI S3) suspend regression
nvme: fix merge error due to change of 'make_request_fn' fn type
xen: using EXPORT_SYMBOL requires including export.h
gpio: tps65910: Use correct offset for gpio initialization
acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec
intel_idle: Split up and provide per CPU initialization func
ACPI processor: Remove unneeded variable passed by acpi_processor_hotadd_init V2
tg3: Fix single-vector MSI-X code
openvswitch: Fix multipart datapath dumps.
ipv6: fix per device IP snmp counters
...
Diffstat (limited to 'arch/mips/bcm63xx/clk.c')
-rw-r--r-- | arch/mips/bcm63xx/clk.c | 70 |
1 files changed, 67 insertions, 3 deletions
diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c index 2c68ee9ccee..9d57c71b7b5 100644 --- a/arch/mips/bcm63xx/clk.c +++ b/arch/mips/bcm63xx/clk.c @@ -10,6 +10,7 @@ #include <linux/mutex.h> #include <linux/err.h> #include <linux/clk.h> +#include <linux/delay.h> #include <bcm63xx_cpu.h> #include <bcm63xx_io.h> #include <bcm63xx_regs.h> @@ -113,6 +114,34 @@ static struct clk clk_ephy = { }; /* + * Ethernet switch clock + */ +static void enetsw_set(struct clk *clk, int enable) +{ + if (!BCMCPU_IS_6368()) + return; + bcm_hwclock_set(CKCTL_6368_ROBOSW_CLK_EN | + CKCTL_6368_SWPKT_USB_EN | + CKCTL_6368_SWPKT_SAR_EN, enable); + if (enable) { + u32 val; + + /* reset switch core afer clock change */ + val = bcm_perf_readl(PERF_SOFTRESET_6368_REG); + val &= ~SOFTRESET_6368_ENETSW_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6368_REG); + msleep(10); + val |= SOFTRESET_6368_ENETSW_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6368_REG); + msleep(10); + } +} + +static struct clk clk_enetsw = { + .set = enetsw_set, +}; + +/* * PCM clock */ static void pcm_set(struct clk *clk, int enable) @@ -131,9 +160,10 @@ static struct clk clk_pcm = { */ static void usbh_set(struct clk *clk, int enable) { - if (!BCMCPU_IS_6348()) - return; - bcm_hwclock_set(CKCTL_6348_USBH_EN, enable); + if (BCMCPU_IS_6348()) + bcm_hwclock_set(CKCTL_6348_USBH_EN, enable); + else if (BCMCPU_IS_6368()) + bcm_hwclock_set(CKCTL_6368_USBH_CLK_EN, enable); } static struct clk clk_usbh = { @@ -162,6 +192,36 @@ static struct clk clk_spi = { }; /* + * XTM clock + */ +static void xtm_set(struct clk *clk, int enable) +{ + if (!BCMCPU_IS_6368()) + return; + + bcm_hwclock_set(CKCTL_6368_SAR_CLK_EN | + CKCTL_6368_SWPKT_SAR_EN, enable); + + if (enable) { + u32 val; + + /* reset sar core afer clock change */ + val = bcm_perf_readl(PERF_SOFTRESET_6368_REG); + val &= ~SOFTRESET_6368_SAR_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6368_REG); + mdelay(1); + val |= SOFTRESET_6368_SAR_MASK; + bcm_perf_writel(val, PERF_SOFTRESET_6368_REG); + mdelay(1); + } +} + + +static struct clk clk_xtm = { + .set = xtm_set, +}; + +/* * Internal peripheral clock */ static struct clk clk_periph = { @@ -204,12 +264,16 @@ struct clk *clk_get(struct device *dev, const char *id) return &clk_enet0; if (!strcmp(id, "enet1")) return &clk_enet1; + if (!strcmp(id, "enetsw")) + return &clk_enetsw; if (!strcmp(id, "ephy")) return &clk_ephy; if (!strcmp(id, "usbh")) return &clk_usbh; if (!strcmp(id, "spi")) return &clk_spi; + if (!strcmp(id, "xtm")) + return &clk_xtm; if (!strcmp(id, "periph")) return &clk_periph; if (BCMCPU_IS_6358() && !strcmp(id, "pcm")) |