1 /***************************************************************************/
4 * linux/arch/m68knommu/platform/5206e/config.c
6 * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com)
9 /***************************************************************************/
11 #include <linux/kernel.h>
12 #include <linux/param.h>
13 #include <linux/init.h>
14 #include <linux/interrupt.h>
16 #include <asm/machdep.h>
17 #include <asm/coldfire.h>
18 #include <asm/mcfsim.h>
19 #include <asm/mcfdma.h>
20 #include <asm/mcfuart.h>
22 /***************************************************************************/
24 void coldfire_reset(void);
26 /***************************************************************************/
28 static struct mcf_platform_uart m5206e_uart_platform[] = {
30 .mapbase = MCF_MBAR + MCFUART_BASE1,
34 .mapbase = MCF_MBAR + MCFUART_BASE2,
40 static struct platform_device m5206e_uart = {
43 .dev.platform_data = m5206e_uart_platform,
46 static struct platform_device *m5206e_devices[] __initdata = {
50 /***************************************************************************/
52 static void __init m5206e_uart_init_line(int line, int irq)
55 writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
56 writeb(irq, MCFUART_BASE1 + MCFUART_UIVR);
57 mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1);
58 } else if (line == 1) {
59 writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
60 writeb(irq, MCFUART_BASE2 + MCFUART_UIVR);
61 mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2);
65 static void __init m5206e_uarts_init(void)
67 const int nrlines = ARRAY_SIZE(m5206e_uart_platform);
70 for (line = 0; (line < nrlines); line++)
71 m5206e_uart_init_line(line, m5206e_uart_platform[line].irq);
74 /***************************************************************************/
76 void mcf_autovector(unsigned int vec)
78 volatile unsigned char *mbar;
81 if ((vec >= 25) && (vec <= 31)) {
83 mbar = (volatile unsigned char *) MCF_MBAR;
84 icr = MCFSIM_ICR_AUTOVEC | (vec << 3);
85 *(mbar + MCFSIM_ICR1 + vec) = icr;
86 vec = 0x1 << (vec + 1);
87 mcf_setimr(mcf_getimr() & ~vec);
91 /***************************************************************************/
93 void mcf_settimericr(unsigned int timer, unsigned int level)
95 volatile unsigned char *icrp;
96 unsigned int icr, imr;
100 case 2: icr = MCFSIM_TIMER2ICR; imr = MCFSIM_IMR_TIMER2; break;
101 default: icr = MCFSIM_TIMER1ICR; imr = MCFSIM_IMR_TIMER1; break;
104 icrp = (volatile unsigned char *) (MCF_MBAR + icr);
105 *icrp = MCFSIM_ICR_AUTOVEC | (level << 2) | MCFSIM_ICR_PRI3;
106 mcf_setimr(mcf_getimr() & ~imr);
110 /***************************************************************************/
112 void __init config_BSP(char *commandp, int size)
114 mcf_setimr(MCFSIM_IMR_MASKALL);
116 #if defined(CONFIG_NETtel)
117 /* Copy command line from FLASH to local buffer... */
118 memcpy(commandp, (char *) 0xf0004000, size);
119 commandp[size-1] = 0;
120 #endif /* CONFIG_NETtel */
122 mach_reset = coldfire_reset;
125 /***************************************************************************/
127 static int __init init_BSP(void)
130 platform_add_devices(m5206e_devices, ARRAY_SIZE(m5206e_devices));
134 arch_initcall(init_BSP);
136 /***************************************************************************/