| // SPDX-License-Identifier: GPL-2.0 |
| /***************************************************************************/ |
| |
| /* |
| * m5407.c -- platform support for ColdFire 5407 based boards |
| * |
| * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com) |
| * 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)); |
| } |
| |
| /***************************************************************************/ |
