The FEC clock does not come from PLL1, but from the IPG clock. The previous code was even inconsistent with itself, returning the IPG clock as expected for imx_get_fecclk(), but the PLL1 clock for mxc_get_clock(MXC_FEC_CLK).
Signed-off-by: Benoît Thébaudeau benoit.thebaudeau@advansee.com Cc: Stefano Babic sbabic@denx.de --- This patch supersedes http://patchwork.ozlabs.org/patch/177411/ . Changes for v2: - Consequences from the previous cleanup patches. - Add detailed description.
.../arch/arm/cpu/armv7/mx5/clock.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-)
diff --git u-boot-imx-e1eb75b.orig/arch/arm/cpu/armv7/mx5/clock.c u-boot-imx-e1eb75b/arch/arm/cpu/armv7/mx5/clock.c index 232d7c8..32dbece 100644 --- u-boot-imx-e1eb75b.orig/arch/arm/cpu/armv7/mx5/clock.c +++ u-boot-imx-e1eb75b/arch/arm/cpu/armv7/mx5/clock.c @@ -468,7 +468,7 @@ unsigned int mxc_get_clock(enum mxc_clock clk) case MXC_CSPI_CLK: return imx_get_cspiclk(); case MXC_FEC_CLK: - return decode_pll(mxc_plls[PLL1_CLOCK], MXC_HCLK); + return get_ipg_clk(); case MXC_SATA_CLK: return get_ahb_clk(); case MXC_DDR_CLK: @@ -484,10 +484,9 @@ u32 imx_get_uartclk(void) return get_uart_clk(); }
- u32 imx_get_fecclk(void) { - return mxc_get_clock(MXC_IPG_CLK); + return get_ipg_clk(); }
static int gcd(int m, int n)