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| author | Fabio Estevam <fabio.estevam@freescale.com> | 2013-04-10 09:32:57 +0000 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2013-04-22 09:57:44 +0200 |
| commit | 25b4aa146a3056aa3b42fa9e1682e027b9596eca (patch) | |
| tree | c3c8cb39653a481db417b053cef3b2678edef4a4 /arch/arm/cpu | |
| parent | dc88403e6c29ddf21b9abce4d7b11ec822021f5b (diff) | |
| download | u-boot-imx-25b4aa146a3056aa3b42fa9e1682e027b9596eca.zip u-boot-imx-25b4aa146a3056aa3b42fa9e1682e027b9596eca.tar.gz u-boot-imx-25b4aa146a3056aa3b42fa9e1682e027b9596eca.tar.bz2 | |
mx6: Add solo-lite variant support
mx6 solo-lite is another member of the mx6 series.
For more information about mx6 solo-lite, please visit:
http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=i.MX6SL&nodeId=018rH3ZrDRB24A
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Diffstat (limited to 'arch/arm/cpu')
| -rw-r--r-- | arch/arm/cpu/armv7/mx6/clock.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index a50db70..8cba4fd 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -186,12 +186,16 @@ static u32 get_ipg_per_clk(void) static u32 get_uart_clk(void) { u32 reg, uart_podf; - + u32 freq = PLL3_80M; reg = __raw_readl(&imx_ccm->cscdr1); +#ifdef CONFIG_MX6SL + if (reg & MXC_CCM_CSCDR1_UART_CLK_SEL) + freq = MXC_HCLK; +#endif reg &= MXC_CCM_CSCDR1_UART_CLK_PODF_MASK; uart_podf = reg >> MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET; - return PLL3_80M / (uart_podf + 1); + return freq / (uart_podf + 1); } static u32 get_cspi_clk(void) @@ -252,6 +256,35 @@ static u32 get_emi_slow_clk(void) return root_freq / (emi_slow_pof + 1); } +#ifdef CONFIG_MX6SL +static u32 get_mmdc_ch0_clk(void) +{ + u32 cbcmr = __raw_readl(&imx_ccm->cbcmr); + u32 cbcdr = __raw_readl(&imx_ccm->cbcdr); + u32 freq, podf; + + podf = (cbcdr & MXC_CCM_CBCDR_MMDC_CH1_PODF_MASK) \ + >> MXC_CCM_CBCDR_MMDC_CH1_PODF_OFFSET; + + switch ((cbcmr & MXC_CCM_CBCMR_PRE_PERIPH2_CLK_SEL_MASK) >> + MXC_CCM_CBCMR_PRE_PERIPH2_CLK_SEL_OFFSET) { + case 0: + freq = decode_pll(PLL_BUS, MXC_HCLK); + break; + case 1: + freq = PLL2_PFD2_FREQ; + break; + case 2: + freq = PLL2_PFD0_FREQ; + break; + case 3: + freq = PLL2_PFD2_DIV_FREQ; + } + + return freq / (podf + 1); + +} +#else static u32 get_mmdc_ch0_clk(void) { u32 cbcdr = __raw_readl(&imx_ccm->cbcdr); @@ -260,6 +293,7 @@ static u32 get_mmdc_ch0_clk(void) return get_periph_clk() / (mmdc_ch0_podf + 1); } +#endif static u32 get_usdhc_clk(u32 port) { |