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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2007-10-10 09:44:21 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2007-10-10 09:44:21 +0200 |
| commit | 1285a3594970c21d3b92c6928a3fbd9ac237b212 (patch) | |
| tree | 86485f428210b07899a8da3e75312f46c1f1fa75 /arch/arm | |
| parent | a6c86a0b1b19ea7d53f5266bcb78948905a024fc (diff) | |
| download | barebox-1285a3594970c21d3b92c6928a3fbd9ac237b212.tar.gz barebox-1285a3594970c21d3b92c6928a3fbd9ac237b212.tar.xz | |
add i.MX27 ahb clock function
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-imx/speed-imx27.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/speed-imx27.c b/arch/arm/mach-imx/speed-imx27.c index 5533dda44a..488ac9949a 100644 --- a/arch/arm/mach-imx/speed-imx27.c +++ b/arch/arm/mach-imx/speed-imx27.c @@ -50,6 +50,18 @@ ulong imx_get_armclk(void) return fref / div; } +ulong imx_get_ahbclk(void) +{ + ulong cscr = CSCR; + ulong fref = imx_get_mpllclk(); + ulong div; + + div = ((cscr >> 8) & 0x3) + 1; + + return fref / div; + +} + ulong imx_get_spllclk(void) { ulong cscr = CSCR; |