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| author | Ganesan Ramalingam <ganesanr@broadcom.com> | 2015-01-07 16:58:27 +0530 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-04-01 17:21:49 +0200 |
| commit | a3613be442aaf435d7d3b224c81cea0b0f702d6a (patch) | |
| tree | deae691286c0680048a498b7719b015d24ca1582 /arch/mips/netlogic/xlp | |
| parent | 72e0605b4346c3b018a5926ab0b3f535ab1f9b82 (diff) | |
| download | talos-obmc-linux-a3613be442aaf435d7d3b224c81cea0b0f702d6a.tar.gz talos-obmc-linux-a3613be442aaf435d7d3b224c81cea0b0f702d6a.zip | |
MIPS: Netlogic: Fix frequency calculation register
Change the PIC frequency calculation to use the register that has the
current configuration. The existing code used the register that is
written to change frequency, which can have an invalid value if the
firmware did not set it up correctly.
Signed-off-by: Ganesan Ramalingam <ganesanr@broadcom.com>
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8885/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/netlogic/xlp')
| -rw-r--r-- | arch/mips/netlogic/xlp/nlm_hal.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/mips/netlogic/xlp/nlm_hal.c b/arch/mips/netlogic/xlp/nlm_hal.c index de41fb5dec4c..b80d893da9ad 100644 --- a/arch/mips/netlogic/xlp/nlm_hal.c +++ b/arch/mips/netlogic/xlp/nlm_hal.c @@ -332,7 +332,7 @@ static unsigned int nlm_xlp2_get_pic_frequency(int node) /* Find the clock source PLL device for PIC */ if (cpu_xlp9xx) { reg_select = nlm_read_sys_reg(clockbase, - SYS_9XX_CLK_DEV_SEL) & 0x3; + SYS_9XX_CLK_DEV_SEL_REG) & 0x3; switch (reg_select) { case 0: ctrl_val0 = nlm_read_sys_reg(clockbase, @@ -361,7 +361,7 @@ static unsigned int nlm_xlp2_get_pic_frequency(int node) } } else { reg_select = (nlm_read_sys_reg(sysbase, - SYS_CLK_DEV_SEL) >> 22) & 0x3; + SYS_CLK_DEV_SEL_REG) >> 22) & 0x3; switch (reg_select) { case 0: ctrl_val0 = nlm_read_sys_reg(sysbase, @@ -425,10 +425,10 @@ static unsigned int nlm_xlp2_get_pic_frequency(int node) /* PIC post divider, which happens after PLL */ if (cpu_xlp9xx) pic_div = nlm_read_sys_reg(clockbase, - SYS_9XX_CLK_DEV_DIV) & 0x3; + SYS_9XX_CLK_DEV_DIV_REG) & 0x3; else pic_div = (nlm_read_sys_reg(sysbase, - SYS_CLK_DEV_DIV) >> 22) & 0x3; + SYS_CLK_DEV_DIV_REG) >> 22) & 0x3; do_div(pll_out_freq_num, 1 << pic_div); return pll_out_freq_num; |
