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71 lines
1.9 KiB
71 lines
1.9 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/***************************************************************************/ |
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/* |
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* m5206.c -- platform support for ColdFire 5206 based boards |
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* |
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* Copyright (C) 1999-2002, Greg Ungerer ([email protected]) |
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* Copyright (C) 2000-2001, Lineo Inc. (www.lineo.com) |
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*/ |
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/***************************************************************************/ |
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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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DEFINE_CLK(mcftmr0, "mcftmr.0", MCF_BUSCLK); |
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DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK); |
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DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK); |
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DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK); |
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DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK); |
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struct clk *mcf_clks[] = { |
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&clk_pll, |
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&clk_sys, |
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&clk_mcftmr0, |
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&clk_mcftmr1, |
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&clk_mcfuart0, |
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&clk_mcfuart1, |
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&clk_mcfi2c0, |
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NULL |
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}; |
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/***************************************************************************/ |
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static void __init m5206_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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void __init config_BSP(char *commandp, int size) |
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{ |
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#if defined(CONFIG_NETtel) |
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/* Copy command line from FLASH to local buffer... */ |
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memcpy(commandp, (char *) 0xf0004000, size); |
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commandp[size-1] = 0; |
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#endif /* CONFIG_NETtel */ |
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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(28, MCFINTC_EINT4); |
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mcf_mapirq2imr(31, MCFINTC_EINT7); |
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m5206_i2c_init(); |
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} |
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/***************************************************************************/
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