From c3b518903192fd1ee346211ed8c7e020ea2fc050 Mon Sep 17 00:00:00 2001 From: Benoît Thébaudeau Date: Thu, 27 Sep 2012 10:27:28 +0000 Subject: mx25: Define more standard clocks MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Define AHB, IPG and CSPI clocks. Signed-off-by: Benoît Thébaudeau Cc: Stefano Babic --- arch/arm/cpu/arm926ejs/mx25/generic.c | 10 ++++++++++ arch/arm/include/asm/arch-mx25/clock.h | 5 +++++ 2 files changed, 15 insertions(+) diff --git a/arch/arm/cpu/arm926ejs/mx25/generic.c b/arch/arm/cpu/arm926ejs/mx25/generic.c index e25a695e9e..0d1ae206ab 100644 --- a/arch/arm/cpu/arm926ejs/mx25/generic.c +++ b/arch/arm/cpu/arm926ejs/mx25/generic.c @@ -101,6 +101,11 @@ ulong imx_get_ahbclk(void) return fref / div; } +static ulong imx_get_ipgclk(void) +{ + return imx_get_ahbclk() / 2; +} + ulong imx_get_perclk(int clk) { struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE; @@ -120,6 +125,11 @@ unsigned int mxc_get_clock(enum mxc_clock clk) switch (clk) { case MXC_ARM_CLK: return imx_get_armclk(); + case MXC_AHB_CLK: + return imx_get_ahbclk(); + case MXC_IPG_CLK: + case MXC_CSPI_CLK: + return imx_get_ipgclk(); case MXC_FEC_CLK: return imx_get_ahbclk(); default: diff --git a/arch/arm/include/asm/arch-mx25/clock.h b/arch/arm/include/asm/arch-mx25/clock.h index a313b80611..9823f46ada 100644 --- a/arch/arm/include/asm/arch-mx25/clock.h +++ b/arch/arm/include/asm/arch-mx25/clock.h @@ -41,6 +41,7 @@ #endif enum mxc_clock { + /* PER clocks (do not change order) */ MXC_CSI_CLK, MXC_EPIT_CLK, MXC_ESAI_CLK, @@ -57,7 +58,11 @@ enum mxc_clock { MXC_SSI1_CLK, MXC_SSI2_CLK, MXC_UART_CLK, + /* Other clocks */ MXC_ARM_CLK, + MXC_AHB_CLK, + MXC_IPG_CLK, + MXC_CSPI_CLK, MXC_FEC_CLK, MXC_CLK_NUM }; -- cgit