57b481436f
The EDGE Port module of some ColdFire parts using the intc-2 interrupt controller provides support for 7 external interrupts. These interrupts go off-chip (that is they are not for internal peripherals). They need some special handling and have some extra setup registers. Add code to support them. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
/*
|
|
* m54xxsim.h -- ColdFire 547x/548x System Integration Unit support.
|
|
*/
|
|
|
|
#ifndef m54xxsim_h
|
|
#define m54xxsim_h
|
|
|
|
#define CPU_NAME "COLDFIRE(m54xx)"
|
|
#define CPU_INSTR_PER_JIFFY 2
|
|
#define MCF_BUSCLK (MCF_CLK / 2)
|
|
|
|
#include <asm/m54xxacr.h>
|
|
|
|
#define MCFINT_VECBASE 64
|
|
|
|
/*
|
|
* Interrupt Controller Registers
|
|
*/
|
|
#define MCFICM_INTC0 (MCF_MBAR + 0x700) /* Base for Interrupt Ctrl 0 */
|
|
|
|
#define MCFINTC_IPRH 0x00 /* Interrupt pending 32-63 */
|
|
#define MCFINTC_IPRL 0x04 /* Interrupt pending 1-31 */
|
|
#define MCFINTC_IMRH 0x08 /* Interrupt mask 32-63 */
|
|
#define MCFINTC_IMRL 0x0c /* Interrupt mask 1-31 */
|
|
#define MCFINTC_INTFRCH 0x10 /* Interrupt force 32-63 */
|
|
#define MCFINTC_INTFRCL 0x14 /* Interrupt force 1-31 */
|
|
#define MCFINTC_IRLR 0x18 /* */
|
|
#define MCFINTC_IACKL 0x19 /* */
|
|
#define MCFINTC_ICR0 0x40 /* Base ICR register */
|
|
|
|
/*
|
|
* UART module.
|
|
*/
|
|
#define MCFUART_BASE1 0x8600 /* Base address of UART1 */
|
|
#define MCFUART_BASE2 0x8700 /* Base address of UART2 */
|
|
#define MCFUART_BASE3 0x8800 /* Base address of UART3 */
|
|
#define MCFUART_BASE4 0x8900 /* Base address of UART4 */
|
|
|
|
/*
|
|
* Define system peripheral IRQ usage.
|
|
*/
|
|
#define MCF_IRQ_TIMER (64 + 54) /* Slice Timer 0 */
|
|
#define MCF_IRQ_PROFILER (64 + 53) /* Slice Timer 1 */
|
|
|
|
/*
|
|
* Generic GPIO support
|
|
*/
|
|
#define MCFGPIO_PIN_MAX 0 /* I am too lazy to count */
|
|
#define MCFGPIO_IRQ_MAX -1
|
|
#define MCFGPIO_IRQ_VECBASE -1
|
|
|
|
/*
|
|
* EDGE Port support.
|
|
*/
|
|
#define MCFEPORT_EPPAR (MCF_MBAR + 0xf00) /* Pin assignment */
|
|
#define MCFEPORT_EPDDR (MCF_MBAR + 0xf04) /* Data direction */
|
|
#define MCFEPORT_EPIER (MCF_MBAR + 0xf05) /* Interrupt enable */
|
|
#define MCFEPORT_EPDR (MCF_MBAR + 0xf08) /* Port data (w) */
|
|
#define MCFEPORT_EPPDR (MCF_MBAR + 0xf09) /* Port data (r) */
|
|
#define MCFEPORT_EPFR (MCF_MBAR + 0xf0c) /* Flags */
|
|
|
|
/*
|
|
* Some PSC related definitions
|
|
*/
|
|
#define MCF_PAR_PSC(x) (0x000A4F-((x)&0x3))
|
|
#define MCF_PAR_SDA (0x0008)
|
|
#define MCF_PAR_SCL (0x0004)
|
|
#define MCF_PAR_PSC_TXD (0x04)
|
|
#define MCF_PAR_PSC_RXD (0x08)
|
|
#define MCF_PAR_PSC_RTS(x) (((x)&0x03)<<4)
|
|
#define MCF_PAR_PSC_CTS(x) (((x)&0x03)<<6)
|
|
#define MCF_PAR_PSC_CTS_GPIO (0x00)
|
|
#define MCF_PAR_PSC_CTS_BCLK (0x80)
|
|
#define MCF_PAR_PSC_CTS_CTS (0xC0)
|
|
#define MCF_PAR_PSC_RTS_GPIO (0x00)
|
|
#define MCF_PAR_PSC_RTS_FSYNC (0x20)
|
|
#define MCF_PAR_PSC_RTS_RTS (0x30)
|
|
#define MCF_PAR_PSC_CANRX (0x40)
|
|
|
|
#endif /* m54xxsim_h */
|