diff --git a/README b/README index 4dbf2d4050e2df9fa9fe9472fbe6d238cc3b67a0..3ff793266b87523c4fd22237760aadeef918a30c 100644 --- a/README +++ b/README @@ -623,13 +623,6 @@ The following options need to be configured: exists, unlike the similar options in the Linux kernel. Do not set these options unless they apply! -- CPU timer options: - CONFIG_SYS_HZ - - The frequency of the timer returned by get_timer(). - get_timer() must operate in milliseconds and this CONFIG - option must be set to 1000. - - Linux Kernel Interface: CONFIG_CLOCKS_IN_MHZ diff --git a/include/config_fallbacks.h b/include/config_fallbacks.h index 76818f673f2810c69520067a7a10e2b34ed4515a..7d8daa2b8e5332f421b9bb616812d494927f1c71 100644 --- a/include/config_fallbacks.h +++ b/include/config_fallbacks.h @@ -79,10 +79,6 @@ #define CONFIG_SYS_PROMPT "=> " #endif -#ifndef CONFIG_SYS_HZ -#define CONFIG_SYS_HZ 1000 -#endif - #ifndef CONFIG_FIT_SIGNATURE #define CONFIG_IMAGE_FORMAT_LEGACY #endif diff --git a/include/configs/cm_fx6.h b/include/configs/cm_fx6.h index a20c3733212ca39d2dc9509a63b703746aad5c0a..f7277eb1d17a0d5f3a4c613d6033bd682c3491dd 100644 --- a/include/configs/cm_fx6.h +++ b/include/configs/cm_fx6.h @@ -19,7 +19,6 @@ #define CONFIG_MX6 #define CONFIG_SYS_LITTLE_ENDIAN #define CONFIG_MACH_TYPE 4273 -#define CONFIG_SYS_HZ 1000 #ifndef CONFIG_SPL_BUILD #define CONFIG_DM diff --git a/include/configs/edb93xx.h b/include/configs/edb93xx.h index 37bdcc0f3320a447b096ec9c553cad579929e1ca..47a8420f42d37cf8a9d9d4614a25b255254e1c82 100644 --- a/include/configs/edb93xx.h +++ b/include/configs/edb93xx.h @@ -89,7 +89,6 @@ #define CONFIG_EP93XX 1 /* in a Cirrus Logic 93xx SoC */ #define CONFIG_SYS_CLK_FREQ 14745600 /* EP93xx has a 14.7456 clock */ -#define CONFIG_SYS_HZ 1000 /* decr freq: 1 ms ticks */ #undef CONFIG_USE_IRQ /* Don't need IRQ/FIQ */ /* Monitor configuration */ diff --git a/include/configs/ks2_evm.h b/include/configs/ks2_evm.h index 51926f721f17e6305d408dfe2e08d1816e97a5cd..137d9b0d32f2793ba8c2571ef32ff39d240f8345 100644 --- a/include/configs/ks2_evm.h +++ b/include/configs/ks2_evm.h @@ -23,7 +23,6 @@ #define CONFIG_ARMV7 #define CONFIG_ARCH_CPU_INIT #define CONFIG_SYS_ARCH_TIMER -#define CONFIG_SYS_HZ 1000 #define CONFIG_SYS_TEXT_BASE 0x0c001000 #define CONFIG_SPL_TARGET "u-boot-spi.gph" #define CONFIG_SYS_DCACHE_OFF diff --git a/include/configs/ls1021aqds.h b/include/configs/ls1021aqds.h index 42214262f480fd5ad748a360c2177ce139f8fe9b..d1f6ea7e7b0e6d5f1efcda54eca34af3cd3d3b3c 100644 --- a/include/configs/ls1021aqds.h +++ b/include/configs/ls1021aqds.h @@ -360,7 +360,6 @@ unsigned long get_board_ddr_clk(void); #define CONFIG_SYS_MEMTEST_END 0x9fffffff #define CONFIG_SYS_LOAD_ADDR 0x82000000 -#define CONFIG_SYS_HZ 1000 /* * Stack sizes diff --git a/include/configs/ls1021atwr.h b/include/configs/ls1021atwr.h index 5868287057399b8c830adfe03124a090493d34d7..3c73af8ac39dc6663fa0db3ed5d91eb9c3601618 100644 --- a/include/configs/ls1021atwr.h +++ b/include/configs/ls1021atwr.h @@ -261,7 +261,6 @@ #define CONFIG_SYS_MEMTEST_END 0x9fffffff #define CONFIG_SYS_LOAD_ADDR 0x82000000 -#define CONFIG_SYS_HZ 1000 /* * Stack sizes diff --git a/include/configs/ls2085a_common.h b/include/configs/ls2085a_common.h index a72e1f3567d22144383bf94b306bfb0c5f1112cb..6fe032c9ff64fb6b89f107095af3b9f38ca4998b 100644 --- a/include/configs/ls2085a_common.h +++ b/include/configs/ls2085a_common.h @@ -253,8 +253,6 @@ #define CONFIG_NR_DRAM_BANKS 3 -#define CONFIG_SYS_HZ 1000 - #define CONFIG_HWCONFIG #define HWCONFIG_BUFFER_SIZE 128 diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h index 1d947d7d9eab39030964f4d6b1e14e678303e55e..0c117bc5e7a8b64e7711ba4758cb16030d7637e8 100644 --- a/include/configs/sunxi-common.h +++ b/include/configs/sunxi-common.h @@ -105,8 +105,6 @@ /* standalone support */ #define CONFIG_STANDALONE_LOAD_ADDR 0x42000000 -#define CONFIG_SYS_HZ 1000 - /* baudrate */ #define CONFIG_BAUDRATE 115200 diff --git a/include/configs/tqma6.h b/include/configs/tqma6.h index 2705d2c55febe2b7d7f9b1881ae63af37a8a85ba..d97a9613ae5f3c83f56f246467a51ba1ea767f83 100644 --- a/include/configs/tqma6.h +++ b/include/configs/tqma6.h @@ -450,7 +450,6 @@ #define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE #define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR -#define CONFIG_SYS_HZ 1000 #define CONFIG_CMDLINE_EDITING #define CONFIG_STACKSIZE (128u * SZ_1K) diff --git a/lib/Kconfig b/lib/Kconfig index 88e5da72ecc6ffe619a337b981dcb6c6af206c9a..a889c229cb52f3e003afc506df418751019ba454 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -8,4 +8,12 @@ config CC_OPTIMIZE_LIBS_FOR_SPEED If unsure, say N. +config SYS_HZ + int + default 1000 + help + The frequency of the timer returned by get_timer(). + get_timer() must operate in milliseconds and this option must be + set to 1000. + endmenu diff --git a/lib/time.c b/lib/time.c index c7b026498be67e28f02cf070acf73a43e3c18ad4..5ebd1be48f324f8e9f21157ddd1b38f2dc85570a 100644 --- a/lib/time.c +++ b/lib/time.c @@ -10,10 +10,6 @@ #include <div64.h> #include <asm/io.h> -#if CONFIG_SYS_HZ != 1000 -#warning "CONFIG_SYS_HZ must be 1000 and should not be defined by platforms" -#endif - #ifndef CONFIG_WD_PERIOD # define CONFIG_WD_PERIOD (10 * 1000 * 1000) /* 10 seconds default */ #endif