1 /***************************************************************************/ 2 3 /* 4 * m5307.c -- platform support for ColdFire 5307 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/mcfwdebug.h> 20 #include <asm/mcfclk.h> 21 22 /***************************************************************************/ 23 24 /* 25 * Some platforms need software versions of the GPIO data registers. 26 */ 27 unsigned short ppdata; 28 unsigned char ledbank = 0xff; 29 30 /***************************************************************************/ 31 32 DEFINE_CLK(pll, "pll.0", MCF_CLK); 33 DEFINE_CLK(sys, "sys.0", MCF_BUSCLK); 34 DEFINE_CLK(mcftmr0, "mcftmr.0", MCF_BUSCLK); 35 DEFINE_CLK(mcftmr1, "mcftmr.1", MCF_BUSCLK); 36 DEFINE_CLK(mcfuart0, "mcfuart.0", MCF_BUSCLK); 37 DEFINE_CLK(mcfuart1, "mcfuart.1", MCF_BUSCLK); 38 39 struct clk *mcf_clks[] = { 40 &clk_pll, 41 &clk_sys, 42 &clk_mcftmr0, 43 &clk_mcftmr1, 44 &clk_mcfuart0, 45 &clk_mcfuart1, 46 NULL 47 }; 48 49 /***************************************************************************/ 50 51 void __init config_BSP(char *commandp, int size) 52 { 53 #if defined(CONFIG_NETtel) || \ 54 defined(CONFIG_SECUREEDGEMP3) || defined(CONFIG_CLEOPATRA) 55 /* Copy command line from FLASH to local buffer... */ 56 memcpy(commandp, (char *) 0xf0004000, size); 57 commandp[size-1] = 0; 58 #endif 59 60 mach_sched_init = hw_timer_init; 61 62 /* Only support the external interrupts on their primary level */ 63 mcf_mapirq2imr(25, MCFINTC_EINT1); 64 mcf_mapirq2imr(27, MCFINTC_EINT3); 65 mcf_mapirq2imr(29, MCFINTC_EINT5); 66 mcf_mapirq2imr(31, MCFINTC_EINT7); 67 68 #ifdef CONFIG_BDM_DISABLE 69 /* 70 * Disable the BDM clocking. This also turns off most of the rest of 71 * the BDM device. This is good for EMC reasons. This option is not 72 * incompatible with the memory protection option. 73 */ 74 wdebug(MCFDEBUG_CSR, MCFDEBUG_CSR_PSTCLK); 75 #endif 76 } 77 78 /***************************************************************************/ 79