// SPDX-License-Identifier: GPL-2.0 /***************************************************************************/ /* * m5206.c -- platform support for ColdFire 5206 based boards * * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com) * Copyright (C) 2000-2001, Lineo Inc. (www.lineo.com) */ /***************************************************************************/ #include <linux/clkdev.h> #include <linux/kernel.h> #include <linux/param.h> #include <linux/init.h> #include <linux/io.h> #include <asm/machdep.h> #include <asm/coldfire.h> #include <asm/mcfsim.h> #include <asm/mcfclk.h> /***************************************************************************/ DEFINE_CLK(pll, "pll.0", MCF_CLK); DEFINE_CLK(sys, "sys.0", MCF_BUSCLK); static struct clk_lookup m5206_clk_lookup[] = { CLKDEV_INIT(NULL, "pll.0", &clk_pll), CLKDEV_INIT(NULL, "sys.0", &clk_sys), CLKDEV_INIT("mcftmr.0", NULL, &clk_sys), CLKDEV_INIT("mcftmr.1", NULL, &clk_sys), CLKDEV_INIT("mcfuart.0", NULL, &clk_sys), CLKDEV_INIT("mcfuart.1", NULL, &clk_sys), CLKDEV_INIT("imx1-i2c.0", NULL, &clk_sys), }; /***************************************************************************/ static void __init m5206_i2c_init(void) { #if IS_ENABLED(CONFIG_I2C_IMX) writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0, MCFSIM_I2CICR); mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C); #endif /* IS_ENABLED(CONFIG_I2C_IMX) */ } void __init config_BSP(char *commandp, int size) { #if defined(CONFIG_NETtel) /* Copy command line from FLASH to local buffer... */ memcpy(commandp, (char *) 0xf0004000, size); commandp[size-1] = 0; #endif /* CONFIG_NETtel */ mach_sched_init = hw_timer_init; /* Only support the external interrupts on their primary level */ mcf_mapirq2imr(25, MCFINTC_EINT1); mcf_mapirq2imr(28, MCFINTC_EINT4); mcf_mapirq2imr(31, MCFINTC_EINT7); m5206_i2c_init(); clkdev_add_table(m5206_clk_lookup, ARRAY_SIZE(m5206_clk_lookup)); } /***************************************************************************/