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| author | Bob Liu <lliubbo@gmail.com> | 2012-05-17 17:15:40 +0800 |
|---|---|---|
| committer | Bob Liu <lliubbo@gmail.com> | 2012-05-21 14:54:49 +0800 |
| commit | 7c141c1c5c148419eef8972688e86e2e3115ea13 (patch) | |
| tree | 82b946e1611bcd9c090ea83bb591deb32a31a1c9 /arch/blackfin/Kconfig | |
| parent | 1c40093976192c837c80f0c723394f176ca132ff (diff) | |
| download | linux-7c141c1c5c148419eef8972688e86e2e3115ea13.tar.gz linux-7c141c1c5c148419eef8972688e86e2e3115ea13.tar.bz2 linux-7c141c1c5c148419eef8972688e86e2e3115ea13.zip | |
blackfin: bf60x: make clock changeable in kernel menuconfig
Add clock changeable support in kernel menuconfig for bf60x.
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Diffstat (limited to 'arch/blackfin/Kconfig')
| -rw-r--r-- | arch/blackfin/Kconfig | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 23bae9a3f787..4e48e72291a9 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -435,7 +435,7 @@ config BFIN_KERNEL_CLOCK config PLL_BYPASS bool "Bypass PLL" - depends on BFIN_KERNEL_CLOCK + depends on BFIN_KERNEL_CLOCK && (!BF60x) default n config CLKIN_HALF @@ -454,7 +454,7 @@ config VCO_MULT default "20" if (BFIN537_STAMP || BFIN527_EZKIT || BFIN527_EZKIT_V2 || BFIN548_EZKIT || BFIN548_BLUETECHNIX_CM || BFIN538_EZKIT) default "22" if BFIN533_BLUETECHNIX_CM default "20" if (BFIN537_BLUETECHNIX_CM_E || BFIN537_BLUETECHNIX_CM_U || BFIN527_BLUETECHNIX_CM || BFIN561_BLUETECHNIX_CM) - default "20" if BFIN561_EZKIT + default "20" if (BFIN561_EZKIT || BF609) default "16" if (H8606_HVSISTEMAS || BLACKSTAMP || BFIN526_EZBRD || BFIN518F_EZBRD) default "25" if BFIN527_AD7160EVAL help @@ -486,12 +486,45 @@ config SCLK_DIV int "System Clock Divider" depends on BFIN_KERNEL_CLOCK range 1 15 - default 5 + default 4 help - This sets the frequency of the system clock (including SDRAM or DDR). + This sets the frequency of the system clock (including SDRAM or DDR) on + !BF60x else it set the clock for system buses and provides the + source from which SCLK0 and SCLK1 are derived. This can be between 1 and 15 System Clock = (PLL frequency) / (this setting) +config SCLK0_DIV + int "System Clock0 Divider" + depends on BFIN_KERNEL_CLOCK && BF60x + range 1 15 + default 1 + help + This sets the frequency of the system clock0 for PVP and all other + peripherals not clocked by SCLK1. + This can be between 1 and 15 + System Clock0 = (System Clock) / (this setting) + +config SCLK1_DIV + int "System Clock1 Divider" + depends on BFIN_KERNEL_CLOCK && BF60x + range 1 15 + default 1 + help + This sets the frequency of the system clock1 (including SPORT, SPI and ACM). + This can be between 1 and 15 + System Clock1 = (System Clock) / (this setting) + +config DCLK_DIV + int "DDR Clock Divider" + depends on BFIN_KERNEL_CLOCK && BF60x + range 1 15 + default 2 + help + This sets the frequency of the DDR memory. + This can be between 1 and 15 + DDR Clock = (PLL frequency) / (this setting) + choice prompt "DDR SDRAM Chip Type" depends on BFIN_KERNEL_CLOCK @@ -507,7 +540,7 @@ endchoice choice prompt "DDR/SDRAM Timing" - depends on BFIN_KERNEL_CLOCK + depends on BFIN_KERNEL_CLOCK && !BF60x default BFIN_KERNEL_CLOCK_MEMINIT_CALC help This option allows you to specify Blackfin SDRAM/DDR Timing parameters @@ -589,6 +622,7 @@ config MAX_VCO_HZ default 600000000 if BF548 default 533333333 if BF549 default 600000000 if BF561 + default 800000000 if BF609 config MIN_VCO_HZ int @@ -596,6 +630,7 @@ config MIN_VCO_HZ config MAX_SCLK_HZ int + default 200000000 if BF609 default 133333333 config MIN_SCLK_HZ |