tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/***************************************************************************/
2
3/*
4 * m5407.c -- platform support for ColdFire 5407 based boards
5 *
6 * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
7 * Copyright (C) 2000, Lineo (www.lineo.com)
8 */
9
10/***************************************************************************/
11
12#include <linux/kernel.h>
13#include <linux/param.h>
14#include <linux/init.h>
15#include <linux/io.h>
16#include <asm/machdep.h>
17#include <asm/coldfire.h>
18#include <asm/mcfsim.h>
19#include <asm/mcfclk.h>
20
21/***************************************************************************/
22
23DEFINE_CLK(pll, "pll.0", MCF_CLK);
24DEFINE_CLK(sys, "sys.0", MCF_BUSCLK);
25DEFINE_CLK(mcftmr0, "mcftmr.0", MCF_BUSCLK);
26DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK);
27DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK);
28DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK);
29DEFINE_CLK(mcfi2c0, "imx1-i2c.0", MCF_BUSCLK);
30
31struct clk *mcf_clks[] = {
32 &clk_pll,
33 &clk_sys,
34 &clk_mcftmr0,
35 &clk_mcftmr1,
36 &clk_mcfuart0,
37 &clk_mcfuart1,
38 &clk_mcfi2c0,
39 NULL
40};
41
42/***************************************************************************/
43
44static void __init m5407_i2c_init(void)
45{
46#if IS_ENABLED(CONFIG_I2C_IMX)
47 writeb(MCFSIM_ICR_AUTOVEC | MCFSIM_ICR_LEVEL5 | MCFSIM_ICR_PRI0,
48 MCFSIM_I2CICR);
49 mcf_mapirq2imr(MCF_IRQ_I2C0, MCFINTC_I2C);
50#endif /* IS_ENABLED(CONFIG_I2C_IMX) */
51}
52
53/***************************************************************************/
54
55void __init config_BSP(char *commandp, int size)
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(27, MCFINTC_EINT3);
62 mcf_mapirq2imr(29, MCFINTC_EINT5);
63 mcf_mapirq2imr(31, MCFINTC_EINT7);
64 m5407_i2c_init();
65}
66
67/***************************************************************************/