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- // SPDX-License-Identifier: GPL-2.0
- /***************************************************************************/
- /*
- * m5407.c -- platform support for ColdFire 5407 based boards
- *
- * Copyright (C) 1999-2002, Greg Ungerer ([email protected])
- * Copyright (C) 2000, Lineo (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 m5407_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 m5407_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)
- {
- mach_sched_init = hw_timer_init;
- /* Only support the external interrupts on their primary level */
- mcf_mapirq2imr(25, MCFINTC_EINT1);
- mcf_mapirq2imr(27, MCFINTC_EINT3);
- mcf_mapirq2imr(29, MCFINTC_EINT5);
- mcf_mapirq2imr(31, MCFINTC_EINT7);
- m5407_i2c_init();
- clkdev_add_table(m5407_clk_lookup, ARRAY_SIZE(m5407_clk_lookup));
- }
- /***************************************************************************/
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