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https://github.com/brain-hackers/u-boot-brain
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3e3aab3379
Introduce the imx_set_perclk() function to make it possible to set the PER clocks. Signed-off-by: Benoît Thébaudeau <benoit@wsystem.com> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
61 lines
1.1 KiB
C
61 lines
1.1 KiB
C
/*
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*
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* (c) 2009 Ilya Yanok, Emcraft Systems <yanok@emcraft.com>
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*
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* Modified for mx25 by John Rigby <jrigby@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __ASM_ARCH_CLOCK_H
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#define __ASM_ARCH_CLOCK_H
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#include <common.h>
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#ifdef CONFIG_MX25_HCLK_FREQ
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#define MXC_HCLK CONFIG_MX25_HCLK_FREQ
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#else
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#define MXC_HCLK 24000000
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#endif
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#ifdef CONFIG_MX25_CLK32
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#define MXC_CLK32 CONFIG_MX25_CLK32
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#else
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#define MXC_CLK32 32768
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#endif
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enum mxc_clock {
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/* PER clocks (do not change order) */
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MXC_CSI_CLK,
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MXC_EPIT_CLK,
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MXC_ESAI_CLK,
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MXC_ESDHC1_CLK,
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MXC_ESDHC2_CLK,
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MXC_GPT_CLK,
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MXC_I2C_CLK,
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MXC_LCDC_CLK,
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MXC_NFC_CLK,
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MXC_OWIRE_CLK,
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MXC_PWM_CLK,
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MXC_SIM1_CLK,
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MXC_SIM2_CLK,
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MXC_SSI1_CLK,
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MXC_SSI2_CLK,
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MXC_UART_CLK,
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/* Other clocks */
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MXC_ARM_CLK,
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MXC_AHB_CLK,
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MXC_IPG_CLK,
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MXC_CSPI_CLK,
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MXC_FEC_CLK,
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MXC_CLK_NUM
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};
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int imx_set_perclk(enum mxc_clock clk, bool from_upll, unsigned int freq);
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unsigned int mxc_get_clock(enum mxc_clock clk);
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#define imx_get_uartclk() mxc_get_clock(MXC_UART_CLK)
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#define imx_get_fecclk() mxc_get_clock(MXC_FEC_CLK)
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#endif /* __ASM_ARCH_CLOCK_H */
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