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>
21 /***************************************************************************/
23 void coldfire_reset(void);
25 /***************************************************************************/
27 static struct mcf_platform_uart m5206e_uart_platform[] = {
29 .mapbase = MCF_MBAR + MCFUART_BASE1,
33 .mapbase = MCF_MBAR + MCFUART_BASE2,
39 static struct platform_device m5206e_uart = {
42 .dev.platform_data = m5206e_uart_platform,
45 static struct platform_device *m5206e_devices[] __initdata = {
49 /***************************************************************************/
51 static void __init m5206e_uart_init_line(int line, int irq)
54 writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI1, MCF_MBAR + MCFSIM_UART1ICR);
55 writeb(irq, MCFUART_BASE1 + MCFUART_UIVR);
56 mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART1);
57 } else if (line == 1) {
58 writel(MCFSIM_ICR_LEVEL6 | MCFSIM_ICR_PRI2, MCF_MBAR + MCFSIM_UART2ICR);
59 writeb(irq, MCFUART_BASE2 + MCFUART_UIVR);
60 mcf_setimr(mcf_getimr() & ~MCFSIM_IMR_UART2);
64 static void __init m5206e_uarts_init(void)
66 const int nrlines = ARRAY_SIZE(m5206e_uart_platform);
69 for (line = 0; (line < nrlines); line++)
70 m5206e_uart_init_line(line, m5206e_uart_platform[line].irq);
73 /***************************************************************************/
75 void mcf_autovector(unsigned int vec)
77 volatile unsigned char *mbar;
80 if ((vec >= 25) && (vec <= 31)) {
82 mbar = (volatile unsigned char *) MCF_MBAR;
83 icr = MCFSIM_ICR_AUTOVEC | (vec << 3);
84 *(mbar + MCFSIM_ICR1 + vec) = icr;
85 vec = 0x1 << (vec + 1);
86 mcf_setimr(mcf_getimr() & ~vec);
90 /***************************************************************************/
92 void mcf_settimericr(unsigned int timer, unsigned int level)
94 volatile unsigned char *icrp;
95 unsigned int icr, imr;
99 case 2: icr = MCFSIM_TIMER2ICR; imr = MCFSIM_IMR_TIMER2; break;
100 default: icr = MCFSIM_TIMER1ICR; imr = MCFSIM_IMR_TIMER1; break;
103 icrp = (volatile unsigned char *) (MCF_MBAR + icr);
104 *icrp = MCFSIM_ICR_AUTOVEC | (level << 2) | MCFSIM_ICR_PRI3;
105 mcf_setimr(mcf_getimr() & ~imr);
109 /***************************************************************************/
111 void __init config_BSP(char *commandp, int size)
113 mcf_setimr(MCFSIM_IMR_MASKALL);
115 #if defined(CONFIG_NETtel)
116 /* Copy command line from FLASH to local buffer... */
117 memcpy(commandp, (char *) 0xf0004000, size);
118 commandp[size-1] = 0;
119 #endif /* CONFIG_NETtel */
121 mach_reset = coldfire_reset;
124 /***************************************************************************/
126 static int __init init_BSP(void)
129 platform_add_devices(m5206e_devices, ARRAY_SIZE(m5206e_devices));
133 arch_initcall(init_BSP);
135 /***************************************************************************/