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/kernel.h>
14#include <linux/param.h>
15#include <linux/init.h>
16#include <linux/io.h>
17#include <asm/machdep.h>
18#include <asm/coldfire.h>
19#include <asm/mcfsim.h>
20#include <asm/mcfclk.h>
21
22/***************************************************************************/
23
24DEFINE_CLK(pll, "pll.0", MCF_CLK);
25DEFINE_CLK(sys, "sys.0", MCF_BUSCLK);
26DEFINE_CLK(mcftmr0, "mcftmr.0", MCF_BUSCLK);
27DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK);
28DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK);
29DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
30DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
31
32struct clk *mcf_clks[] = {
33	&clk_pll,
34	&clk_sys,
35	&clk_mcftmr0,
36	&clk_mcftmr1,
37	&clk_mcfuart0,
38	&clk_mcfuart1,
39	&clk_mcfi2c0,
40	NULL
41};
42
43/***************************************************************************/
44
45static void __init m5206_i2c_init(void)
46{
47#if IS_ENABLED(CONFIG_I2C_IMX)
48	writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0,
49	       MCFSIM_I2CICR);
50	mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C);
51#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
52}
53
54void __init config_BSP(char *commandp, int size)
55{
56#if defined(CONFIG_NETtel)
57	/* Copy command line from FLASH to local buffer... */
58	memcpy(commandp, (char *) 0xf0004000, size);
59	commandp[size-1] = 0;
60#endif /* CONFIG_NETtel */
61
62	mach_sched_init = hw_timer_init;
63
64	/* Only support the external interrupts on their primary level */
65	mcf_mapirq2imr(25, MCFINTC_EINT1);
66	mcf_mapirq2imr(28, MCFINTC_EINT4);
67	mcf_mapirq2imr(31, MCFINTC_EINT7);
68	m5206_i2c_init();
69}
70
71/***************************************************************************/