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authorWolfgang Denk <wd@denx.de>2011-07-18 21:04:56 +0200
committerWolfgang Denk <wd@denx.de>2011-07-18 21:04:56 +0200
commitcdf1a2328a76cc57837d9a6e14a4f11f3a58b2e6 (patch)
tree736ae439a14b3486a100d0b0e758471cbad64651 /arch/arm/cpu/arm926ejs/mx25/timer.c
parent1c6d00c2b5f090f5ae9b0d5cd9cf9a0adfdd2c77 (diff)
parent6e25b6ce5d26c3c238c1dd947ef33dc38be003d8 (diff)
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm: ARM: MX5: Fix broken leftover TO-2 errata workaround MX31: Cleanup clock function scb9328: Add ARM relocation support am3517evm: change console device from ttyS2 to ttyO2 Remove volatile qualifier in get_ram_size() calls TI: TNETV107X Fix Build Error ARM: add missing CONFIG_SKIP_LOWLEVEL_INIT for armv7 arm: add CONFIG_MACH_TYPE setting and documentation arm: add __ilog2 function Timer: Fix misuse of ARM *timer_masked() functions outside arch/arm EfikaMX: Enable EXT2 booting EfikaMX: Add missing CONFIG_SYS_TEXT_BASE EfikaMX: Use correct imximage.cfg MX27: Update to autogenerated asm-offsets.h MX5: Update to autogenerated asm-offsets.h imx: Add support for zmx25 board imx: Make imx25 compatible to mxc_gpio driver and fix in tx25 imx: Add auto generation of asm-offsets.h for imx25 imx: Add support for USB EHCI on imx25 imx: Use correct imx25 reset.c imx: Add get_tbclk() function for imx25 ARM: Update maintainer of board scb9328 mx27: Make the UART port number explicit build: Add targets for auto gen of asm-offsets.h and use it in imx35 mx31pdk: cosmetic: Fix line over 80 characters
Diffstat (limited to 'arch/arm/cpu/arm926ejs/mx25/timer.c')
-rw-r--r--arch/arm/cpu/arm926ejs/mx25/timer.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/cpu/arm926ejs/mx25/timer.c b/arch/arm/cpu/arm926ejs/mx25/timer.c
index 14f0c2dc73..7c8a71b9d3 100644
--- a/arch/arm/cpu/arm926ejs/mx25/timer.c
+++ b/arch/arm/cpu/arm926ejs/mx25/timer.c
@@ -187,3 +187,15 @@ void __udelay (unsigned long usec)
while (get_ticks() < tmp) /* loop till event */
/*NOP*/;
}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ ulong tbclk;
+
+ tbclk = CONFIG_MX25_CLK32;
+ return tbclk;
+}