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| author | Hauke Mehrtens <hauke@hauke-m.de> | 2011-07-23 01:20:11 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-08-08 14:29:29 -0400 |
| commit | 908debc8da0d5a91418f71c6a462f62bd2ac69ef (patch) | |
| tree | 886072e213b3a67650a53574be916ec105d15b61 /include/linux/bcma | |
| parent | e3afe0e5be7576ac1282ea9fbbc9b352bb379227 (diff) | |
| download | blackbird-obmc-linux-908debc8da0d5a91418f71c6a462f62bd2ac69ef.tar.gz blackbird-obmc-linux-908debc8da0d5a91418f71c6a462f62bd2ac69ef.zip | |
bcma: get CPU clock
Add method to return the clock of the CPU. This is needed by the arch
code to calculate the mips_hpt_frequency.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'include/linux/bcma')
| -rw-r--r-- | include/linux/bcma/bcma_driver_chipcommon.h | 39 | ||||
| -rw-r--r-- | include/linux/bcma/bcma_driver_mips.h | 2 |
2 files changed, 41 insertions, 0 deletions
diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h index b9a930eb44cd..6083725dd22e 100644 --- a/include/linux/bcma/bcma_driver_chipcommon.h +++ b/include/linux/bcma/bcma_driver_chipcommon.h @@ -241,8 +241,47 @@ #define BCMA_CC_SPROM 0x0800 /* SPROM beginning */ #define BCMA_CC_SPROM_PCIE6 0x0830 /* SPROM beginning on PCIe rev >= 6 */ +/* Divider allocation in 4716/47162/5356 */ +#define BCMA_CC_PMU5_MAINPLL_CPU 1 +#define BCMA_CC_PMU5_MAINPLL_MEM 2 +#define BCMA_CC_PMU5_MAINPLL_SSB 3 + +/* PLL usage in 4716/47162 */ +#define BCMA_CC_PMU4716_MAINPLL_PLL0 12 + +/* PLL usage in 5356/5357 */ +#define BCMA_CC_PMU5356_MAINPLL_PLL0 0 +#define BCMA_CC_PMU5357_MAINPLL_PLL0 0 + +/* 4706 PMU */ +#define BCMA_CC_PMU4706_MAINPLL_PLL0 0 + /* ALP clock on pre-PMU chips */ #define BCMA_CC_PMU_ALP_CLOCK 20000000 +/* HT clock for systems with PMU-enabled chipcommon */ +#define BCMA_CC_PMU_HT_CLOCK 80000000 + +/* PMU rev 5 (& 6) */ +#define BCMA_CC_PPL_P1P2_OFF 0 +#define BCMA_CC_PPL_P1_MASK 0x0f000000 +#define BCMA_CC_PPL_P1_SHIFT 24 +#define BCMA_CC_PPL_P2_MASK 0x00f00000 +#define BCMA_CC_PPL_P2_SHIFT 20 +#define BCMA_CC_PPL_M14_OFF 1 +#define BCMA_CC_PPL_MDIV_MASK 0x000000ff +#define BCMA_CC_PPL_MDIV_WIDTH 8 +#define BCMA_CC_PPL_NM5_OFF 2 +#define BCMA_CC_PPL_NDIV_MASK 0xfff00000 +#define BCMA_CC_PPL_NDIV_SHIFT 20 +#define BCMA_CC_PPL_FMAB_OFF 3 +#define BCMA_CC_PPL_MRAT_MASK 0xf0000000 +#define BCMA_CC_PPL_MRAT_SHIFT 28 +#define BCMA_CC_PPL_ABRAT_MASK 0x08000000 +#define BCMA_CC_PPL_ABRAT_SHIFT 27 +#define BCMA_CC_PPL_FDIV_MASK 0x07ffffff +#define BCMA_CC_PPL_PLLCTL_OFF 4 +#define BCMA_CC_PPL_PCHI_OFF 5 +#define BCMA_CC_PPL_PCHI_MASK 0x0000003f /* Data for the PMU, if available. * Check availability with ((struct bcma_chipcommon)->capabilities & BCMA_CC_CAP_PMU) diff --git a/include/linux/bcma/bcma_driver_mips.h b/include/linux/bcma/bcma_driver_mips.h index 82b3bfd32c76..c0043645cdcb 100644 --- a/include/linux/bcma/bcma_driver_mips.h +++ b/include/linux/bcma/bcma_driver_mips.h @@ -44,6 +44,8 @@ extern void bcma_core_mips_init(struct bcma_drv_mips *mcore); static inline void bcma_core_mips_init(struct bcma_drv_mips *mcore) { } #endif +extern u32 bcma_cpu_clock(struct bcma_drv_mips *mcore); + extern unsigned int bcma_core_mips_irq(struct bcma_device *dev); #endif /* LINUX_BCMA_DRIVER_MIPS_H_ */ |
