1 /***************************************************************************/
4 * linux/arch/m68knommu/platform/5307/config.c
6 * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
7 * Copyright (C) 2000, Lineo (www.lineo.com)
10 /***************************************************************************/
12 #include <linux/kernel.h>
13 #include <linux/param.h>
14 #include <linux/init.h>
15 #include <linux/interrupt.h>
17 #include <asm/machdep.h>
18 #include <asm/coldfire.h>
19 #include <asm/mcfsim.h>
20 #include <asm/mcfdma.h>
21 #include <asm/mcfwdebug.h>
23 /***************************************************************************/
25 void coldfire_reset(void);
27 extern unsigned int mcf_timervector;
28 extern unsigned int mcf_profilevector;
29 extern unsigned int mcf_timerlevel;
31 /***************************************************************************/
34 * Some platforms need software versions of the GPIO data registers.
36 unsigned short ppdata;
37 unsigned char ledbank = 0xff;
39 /***************************************************************************/
42 * DMA channel base address table.
44 unsigned int dma_base_addr[MAX_M68K_DMA_CHANNELS] = {
45 MCF_MBAR + MCFDMA_BASE0,
46 MCF_MBAR + MCFDMA_BASE1,
47 MCF_MBAR + MCFDMA_BASE2,
48 MCF_MBAR + MCFDMA_BASE3,
51 unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
53 /***************************************************************************/
55 void mcf_autovector(unsigned int vec)
57 volatile unsigned char *mbar;
59 if ((vec >= 25) && (vec <= 31)) {
60 mbar = (volatile unsigned char *) MCF_MBAR;
61 vec = 0x1 << (vec - 24);
62 *(mbar + MCFSIM_AVR) |= vec;
63 mcf_setimr(mcf_getimr() & ~vec);
67 /***************************************************************************/
69 void mcf_settimericr(unsigned int timer, unsigned int level)
71 volatile unsigned char *icrp;
72 unsigned int icr, imr;
76 case 2: icr = MCFSIM_TIMER2ICR; imr = MCFSIM_IMR_TIMER2; break;
77 default: icr = MCFSIM_TIMER1ICR; imr = MCFSIM_IMR_TIMER1; break;
80 icrp = (volatile unsigned char *) (MCF_MBAR + icr);
81 *icrp = MCFSIM_ICR_AUTOVEC | (level << 2) | MCFSIM_ICR_PRI3;
82 mcf_setimr(mcf_getimr() & ~imr);
86 /***************************************************************************/
88 int mcf_timerirqpending(int timer)
93 case 1: imr = MCFSIM_IMR_TIMER1; break;
94 case 2: imr = MCFSIM_IMR_TIMER2; break;
97 return (mcf_getipr() & imr);
100 /***************************************************************************/
102 void config_BSP(char *commandp, int size)
104 mcf_setimr(MCFSIM_IMR_MASKALL);
106 #if defined(CONFIG_NETtel) || defined(CONFIG_eLIA) || \
107 defined(CONFIG_DISKtel) || defined(CONFIG_SECUREEDGEMP3) || \
108 defined(CONFIG_CLEOPATRA)
109 /* Copy command line from FLASH to local buffer... */
110 memcpy(commandp, (char *) 0xf0004000, size);
111 commandp[size-1] = 0;
112 /* Different timer setup - to prevent device clash */
113 mcf_timervector = 30;
114 mcf_profilevector = 31;
118 mach_reset = coldfire_reset;
120 #ifdef MCF_BDM_DISABLE
122 * Disable the BDM clocking. This also turns off most of the rest of
123 * the BDM device. This is good for EMC reasons. This option is not
124 * incompatible with the memory protection option.
126 wdebug(MCFDEBUG_CSR, MCFDEBUG_CSR_PSTCLK);
130 /***************************************************************************/