diff options
Diffstat (limited to 'arch/blackfin/Kconfig')
| -rw-r--r-- | arch/blackfin/Kconfig | 161 |
1 files changed, 83 insertions, 78 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index 2dd1f300a5c..795d0ac67c2 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -47,10 +47,6 @@ config GENERIC_IRQ_PROBE bool default y -config GENERIC_TIME - bool - default n - config GENERIC_GPIO bool default y @@ -224,16 +220,6 @@ config BF54x depends on (BF542 || BF544 || BF547 || BF548 || BF549) default y -config BFIN_DUAL_CORE - bool - depends on (BF561) - default y - -config BFIN_SINGLE_CORE - bool - depends on !BFIN_DUAL_CORE - default y - config MEM_GENERIC_BOARD bool depends on GENERIC_BOARD @@ -263,7 +249,7 @@ config MEM_MT48LC8M32B2B5_7 config MEM_MT48LC32M16A2TG_75 bool - depends on (BFIN527_EZKIT) + depends on (BFIN527_EZKIT || BFIN532_IP0X) default y source "arch/blackfin/mach-bf527/Kconfig" @@ -286,17 +272,34 @@ config CMDLINE to the kernel, you may specify one here. As a minimum, you should specify the memory size and the root device (e.g., mem=8M, root=/dev/nfs). +config BOOT_LOAD + hex "Kernel load address for booting" + default "0x1000" + range 0x1000 0x20000000 + help + This option allows you to set the load address of the kernel. + This can be useful if you are on a board which has a small amount + of memory or you wish to reserve some memory at the beginning of + the address space. + + Note that you need to keep this value above 4k (0x1000) as this + memory region is used to capture NULL pointer references as well + as some core kernel functions. + comment "Clock/PLL Setup" config CLKIN_HZ - int "Crystal Frequency in Hz" + int "Frequency of the crystal on the board in Hz" default "11059200" if BFIN533_STAMP default "27000000" if BFIN533_EZKIT default "25000000" if (BFIN537_STAMP || BFIN527_EZKIT || H8606_HVSISTEMAS) default "30000000" if BFIN561_EZKIT default "24576000" if PNAV10 + default "10000000" if BFIN532_IP0X help The frequency of CLKIN crystal oscillator on the board in Hz. + Warning: This value should match the crystal on the board. Otherwise, + peripherals won't work properly. config BFIN_KERNEL_CLOCK bool "Re-program Clocks while Kernel boots?" @@ -307,6 +310,25 @@ config BFIN_KERNEL_CLOCK are also not changed, and the Bootloader does 100% of the hardware configuration. +config MEM_SIZE + int "SDRAM Memory Size in MBytes" + depends on BFIN_KERNEL_CLOCK + default 64 + +config MEM_ADD_WIDTH + int "Memory Address Width" + depends on BFIN_KERNEL_CLOCK + depends on (!BF54x) + range 8 11 + default 9 if BFIN533_EZKIT + default 9 if BFIN561_EZKIT + default 9 if H8606_HVSISTEMAS + default 10 if BFIN527_EZKIT + default 10 if BFIN537_STAMP + default 11 if BFIN533_STAMP + default 10 if PNAV10 + default 10 if BFIN532_IP0X + config PLL_BYPASS bool "Bypass PLL" depends on BFIN_KERNEL_CLOCK @@ -325,7 +347,7 @@ config VCO_MULT range 1 64 default "22" if BFIN533_EZKIT default "45" if BFIN533_STAMP - default "20" if (BFIN537_STAMP || BFIN527_EZKIT || BFIN548_EZKIT) + default "20" if (BFIN537_STAMP || BFIN527_EZKIT || BFIN548_EZKIT || BFIN548_BLUETECHNIX_CM) default "22" if BFIN533_BLUETECHNIX_CM default "20" if BFIN537_BLUETECHNIX_CM default "20" if BFIN561_BLUETECHNIX_CM @@ -360,19 +382,33 @@ config SCLK_DIV int "System Clock Divider" depends on BFIN_KERNEL_CLOCK range 1 15 - default 5 if BFIN533_EZKIT - default 5 if BFIN533_STAMP - default 4 if (BFIN537_STAMP || BFIN527_EZKIT || BFIN548_EZKIT) - default 5 if BFIN533_BLUETECHNIX_CM - default 4 if BFIN537_BLUETECHNIX_CM - default 4 if BFIN561_BLUETECHNIX_CM - default 5 if BFIN561_EZKIT - default 3 if H8606_HVSISTEMAS + default 5 help This sets the frequency of the system clock (including SDRAM or DDR). This can be between 1 and 15 System Clock = (PLL frequency) / (this setting) +config MAX_MEM_SIZE + int "Max SDRAM Memory Size in MBytes" + depends on !BFIN_KERNEL_CLOCK && !MPU + default 512 + help + This is the max memory size that the kernel will create CPLB + tables for. Your system will not be able to handle any more. + +choice + prompt "DDR SDRAM Chip Type" + depends on BFIN_KERNEL_CLOCK + depends on BF54x + default MEM_MT46V32M16_5B + +config MEM_MT46V32M16_6T + bool "MT46V32M16_6T" + +config MEM_MT46V32M16_5B + bool "MT46V32M16_5B" +endchoice + # # Max & Min Speeds for various Chips # @@ -415,42 +451,33 @@ comment "Kernel Timer/Scheduler" source kernel/Kconfig.hz -comment "Memory Setup" - -config MEM_SIZE - int "SDRAM Memory Size in MBytes" - default 32 if BFIN533_EZKIT - default 64 if BFIN527_EZKIT - default 64 if BFIN537_STAMP - default 64 if BFIN548_EZKIT - default 64 if BFIN561_EZKIT - default 128 if BFIN533_STAMP - default 64 if PNAV10 - default 32 if H8606_HVSISTEMAS +config GENERIC_TIME + bool "Generic time" + default y -config MEM_ADD_WIDTH - int "SDRAM Memory Address Width" - depends on (!BF54x) - default 9 if BFIN533_EZKIT - default 9 if BFIN561_EZKIT - default 9 if H8606_HVSISTEMAS - default 10 if BFIN527_EZKIT - default 10 if BFIN537_STAMP - default 11 if BFIN533_STAMP - default 10 if PNAV10 +config GENERIC_CLOCKEVENTS + bool "Generic clock events" + depends on GENERIC_TIME + default y +config CYCLES_CLOCKSOURCE + bool "Use 'CYCLES' as a clocksource (EXPERIMENTAL)" + depends on EXPERIMENTAL + depends on GENERIC_CLOCKEVENTS + depends on !BFIN_SCRATCH_REG_CYCLES + default n + help + If you say Y here, you will enable support for using the 'cycles' + registers as a clock source. Doing so means you will be unable to + safely write to the 'cycles' register during runtime. You will + still be able to read it (such as for performance monitoring), but + writing the registers will most likely crash the kernel. -choice - prompt "DDR SDRAM Chip Type" - depends on BFIN548_EZKIT - default MEM_MT46V32M16_5B +source kernel/time/Kconfig -config MEM_MT46V32M16_6T - bool "MT46V32M16_6T" +comment "Memory Setup" -config MEM_MT46V32M16_5B - bool "MT46V32M16_5B" -endchoice +comment "Misc" config ENET_FLASH_PIN int "PF port/pin used for flash and ethernet sharing" @@ -462,20 +489,6 @@ config ENET_FLASH_PIN code. For example: PF0 --> 0,PF1 --> 1,PF2 --> 2, etc. -config BOOT_LOAD - hex "Kernel load address for booting" - default "0x1000" - range 0x1000 0x20000000 - help - This option allows you to set the load address of the kernel. - This can be useful if you are on a board which has a small amount - of memory or you wish to reserve some memory at the beginning of - the address space. - - Note that you need to keep this value above 4k (0x1000) as this - memory region is used to capture NULL pointer references as well - as some core kernel functions. - choice prompt "Blackfin Exception Scratch Register" default BFIN_SCRATCH_REG_RETN @@ -661,14 +674,6 @@ endchoice source "mm/Kconfig" -config LARGE_ALLOCS - bool "Allow allocating large blocks (> 1MB) of memory" - help - Allow the slab memory allocator to keep chains for very large - memory sizes - upto 32MB. You may need this if your system has - a lot of RAM, and you need to able to allocate very large - contiguous chunks. If unsure, say N. - config BFIN_GPTIMERS tristate "Enable Blackfin General Purpose Timers API" default n |