cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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m5206.c (2043B)

      1// SPDX-License-Identifier: GPL-2.0
      2/***************************************************************************/
      3
      4/*
      5 *	m5206.c  -- platform support for ColdFire 5206 based boards
      6 *
      7 *	Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
      8 * 	Copyright (C) 2000-2001, Lineo Inc. (www.lineo.com) 
      9 */
     10
     11/***************************************************************************/
     12
     13#include <linux/clkdev.h>
     14#include <linux/kernel.h>
     15#include <linux/param.h>
     16#include <linux/init.h>
     17#include <linux/io.h>
     18#include <asm/machdep.h>
     19#include <asm/coldfire.h>
     20#include <asm/mcfsim.h>
     21#include <asm/mcfclk.h>
     22
     23/***************************************************************************/
     24
     25DEFINE_CLK(pll, "pll.0", MCF_CLK);
     26DEFINE_CLK(sys, "sys.0", MCF_BUSCLK);
     27
     28static struct clk_lookup m5206_clk_lookup[] = {
     29	CLKDEV_INIT(NULL, "pll.0", &clk_pll),
     30	CLKDEV_INIT(NULL, "sys.0", &clk_sys),
     31	CLKDEV_INIT("mcftmr.0", NULL, &clk_sys),
     32	CLKDEV_INIT("mcftmr.1", NULL, &clk_sys),
     33	CLKDEV_INIT("mcfuart.0", NULL, &clk_sys),
     34	CLKDEV_INIT("mcfuart.1", NULL, &clk_sys),
     35	CLKDEV_INIT("imx1-i2c.0", NULL, &clk_sys),
     36};
     37
     38/***************************************************************************/
     39
     40static void __init m5206_i2c_init(void)
     41{
     42#if IS_ENABLED(CONFIG_I2C_IMX)
     43	writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0,
     44	       MCFSIM_I2CICR);
     45	mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C);
     46#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
     47}
     48
     49void __init config_BSP(char *commandp, int size)
     50{
     51#if defined(CONFIG_NETtel)
     52	/* Copy command line from FLASH to local buffer... */
     53	memcpy(commandp, (char *) 0xf0004000, size);
     54	commandp[size-1] = 0;
     55#endif /* CONFIG_NETtel */
     56
     57	mach_sched_init = hw_timer_init;
     58
     59	/* Only support the external interrupts on their primary level */
     60	mcf_mapirq2imr(25, MCFINTC_EINT1);
     61	mcf_mapirq2imr(28, MCFINTC_EINT4);
     62	mcf_mapirq2imr(31, MCFINTC_EINT7);
     63	m5206_i2c_init();
     64
     65	clkdev_add_table(m5206_clk_lookup, ARRAY_SIZE(m5206_clk_lookup));
     66}
     67
     68/***************************************************************************/