66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/***************************************************************************/
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/*
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* m5407.c -- platform support for ColdFire 5407 based boards
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*
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* Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
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* Copyright (C) 2000, Lineo (www.lineo.com)
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*/
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/***************************************************************************/
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#include <linux/clkdev.h>
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#include <linux/kernel.h>
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#include <linux/param.h>
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#include <linux/init.h>
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#include <linux/io.h>
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#include <asm/machdep.h>
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#include <asm/coldfire.h>
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#include <asm/mcfsim.h>
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#include <asm/mcfclk.h>
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/***************************************************************************/
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DEFINE_CLK(pll, "pll.0", MCF_CLK);
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DEFINE_CLK(sys, "sys.0", MCF_BUSCLK);
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static struct clk_lookup m5407_clk_lookup[] = {
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CLKDEV_INIT(NULL, "pll.0", &clk_pll),
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CLKDEV_INIT(NULL, "sys.0", &clk_sys),
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CLKDEV_INIT("mcftmr.0", NULL, &clk_sys),
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CLKDEV_INIT("mcftmr.1", NULL, &clk_sys),
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CLKDEV_INIT("mcfuart.0", NULL, &clk_sys),
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CLKDEV_INIT("mcfuart.1", NULL, &clk_sys),
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CLKDEV_INIT("imx1-i2c.0", NULL, &clk_sys),
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};
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/***************************************************************************/
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static void __init m5407_i2c_init(void)
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{
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#if IS_ENABLED(CONFIG_I2C_IMX)
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writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0,
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MCFSIM_I2CICR);
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mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C);
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#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
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}
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/***************************************************************************/
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void __init config_BSP(char *commandp, int size)
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{
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mach_sched_init = hw_timer_init;
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/* Only support the external interrupts on their primary level */
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mcf_mapirq2imr(25, MCFINTC_EINT1);
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mcf_mapirq2imr(27, MCFINTC_EINT3);
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mcf_mapirq2imr(29, MCFINTC_EINT5);
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mcf_mapirq2imr(31, MCFINTC_EINT7);
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m5407_i2c_init();
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clkdev_add_table(m5407_clk_lookup, ARRAY_SIZE(m5407_clk_lookup));
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}
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/***************************************************************************/
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