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65 lines
1.9 KiB
65 lines
1.9 KiB
// 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 ([email protected]) |
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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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