/****************************************************************************/
/*
* m5249sim.h -- ColdFire 5249 System Integration Module support.
*
* (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com)
*/
/****************************************************************************/
#ifndef m5249sim_h
#define m5249sim_h
/****************************************************************************/
/*
* Define the 5249 SIM register set addresses.
*/
#define MCFSIM_RSR 0x00 /* Reset Status reg (r/w) */
#define MCFSIM_SYPCR 0x01 /* System Protection reg (r/w)*/
#define MCFSIM_SWIVR 0x02 /* SW Watchdog intr reg (r/w) */
#define MCFSIM_SWSR 0x03 /* SW Watchdog service (r/w) */
#define MCFSIM_PAR 0x04 /* Pin Assignment reg (r/w) */
#define MCFSIM_IRQPAR 0x06 /* Interrupt Assignment reg (r/w) */
#define MCFSIM_MPARK 0x0C /* BUS Master Control Reg*/
#define MCFSIM_IPR 0x40 /* Interrupt Pend reg (r/w) */
#define MCFSIM_IMR 0x44 /* Interrupt Mask reg (r/w) */
#define MCFSIM_AVR 0x4b /* Autovector Ctrl reg (r/w) */
#define MCFSIM_ICR0 0x4c /* Intr Ctrl reg 0 (r/w) */
#define MCFSIM_ICR1 0x4d /* Intr Ctrl reg 1 (r/w) */
#define MCFSIM_ICR2 0x4e /* Intr Ctrl reg 2 (r/w) */
#define MCFSIM_ICR3 0x4f /* Intr Ctrl reg 3 (r/w) */
#define MCFSIM_ICR4 0x50 /* Intr Ctrl reg 4 (r/w) */
#define MCFSIM_ICR5 0x51 /* Intr Ctrl reg 5 (r/w) */
#define MCFSIM_ICR6 0x52 /* Intr Ctrl reg 6 (r/w) */
#define MCFSIM_ICR7 0x53 /* Intr Ctrl reg 7 (r/w) */
#define MCFSIM_ICR8 0x54 /* Intr Ctrl reg 8 (r/w) */
#define MCFSIM_ICR9 0x55 /* Intr Ctrl reg 9 (r/w) */
#define MCFSIM_ICR10 0x56 /* Intr Ctrl reg 10 (r/w) */
#define MCFSIM_ICR11 0x57 /* Intr Ctrl reg 11 (r/w) */
#define MCFSIM_CSAR0 0x80 /* CS 0 Address 0 reg (r/w) */
#define MCFSIM_CSMR0 0x84 /* CS 0 Mask 0 reg (r/w) */
#define MCFSIM_CSCR0 0x8a /* CS 0 Control reg (r/w) */
#define MCFSIM_CSAR1 0x8c /* CS 1 Address reg (r/w) */
#define MCFSIM_CSMR1 0x90 /* CS 1 Mask reg (r/w) */
#define MCFSIM_CSCR1 0x96 /* CS 1 Control reg (r/w) */
#define MCFSIM_CSAR2 0x98 /* CS 2 Adress reg (r/w) */
#define MCFSIM_CSMR2 0x9c /* CS 2 Mask reg (r/w) */
#define MCFSIM_CSCR2 0xa2 /* CS 2 Control reg (r/w) */
#define MCFSIM_CSAR3 0xa4 /* CS 3 Adress reg (r/w) */
#define MCFSIM_CSMR3 0xa8 /* CS 3 Mask reg (r/w) */
#define MCFSIM_CSCR3 0xae /* CS 3 Control reg (r/w) */
#define MCFSIM_DCR 0x100 /* DRAM Control reg (r/w) */
#define MCFSIM_DACR0 0x108 /* DRAM 0 Addr and Ctrl (r/w) */
#define MCFSIM_DMR0 0x10c /* DRAM 0 Mask reg (r/w) */
#define MCFSIM_DACR1 0x110 /* DRAM 1 Addr and Ctrl (r/w) */
#define MCFSIM_DMR1 0x114 /* DRAM 1 Mask reg (r/w) */
/*
* Some symbol defines for the above...
*/
#define MCFSIM_SWDICR MCFSIM_ICR0 /* Watchdog timer ICR */
#define MCFSIM_TIMER1ICR MCFSIM_ICR1 /* Timer 1 ICR */
#define MCFSIM_TIMER2ICR MCFSIM_ICR2 /* Timer 2 ICR */
#define MCFSIM_UART1ICR MCFSIM_ICR4 /* UART 1 ICR */
#define MCFSIM_UART2ICR MCFSIM_ICR5 /* UART 2 ICR */
#define MCFSIM_DMA0ICR MCFSIM_ICR6 /* DMA 0 ICR */
#define MCFSIM_DMA1ICR MCFSIM_ICR7 /* DMA 1 ICR */
#define MCFSIM_DMA2ICR MCFSIM_ICR8 /* DMA 2 ICR */
#define MCFSIM_DMA3ICR MCFSIM_ICR9 /* DMA 3 ICR */
/*
* General purpose IO registers (in MBAR2).
*/
#define MCFSIM2_GPIOREAD 0x0 /* GPIO read values */
#define MCFSIM2_GPIOWRITE 0x4 /* GPIO write values */
#define MCFSIM2_GPIOENABLE 0x8 /* GPIO enabled */
#define MCFSIM2_GPIOFUNC 0xc /* GPIO function */
#define MCFSIM2_GPIO1READ 0xb0 /* GPIO1 read values */
#define MCFSIM2_GPIO1WRITE 0xb4 /* GPIO1 write values */
#define MCFSIM2_GPIO1ENABLE 0xb8 /* GPIO1 enabled */
#define MCFSIM2_GPIO1FUNC 0xbc /* GPIO1 function */
#define MCFSIM2_GPIOINTSTAT 0xc0 /* GPIO interrupt status */
#define MCFSIM2_GPIOINTCLEAR 0xc0 /* GPIO interrupt clear */
#define MCFSIM2_GPIOINTENABLE 0xc4 /* GPIO interrupt enable */
#define MCFSIM2_INTLEVEL1 0x140 /* Interrupt level reg 1 */
#define MCFSIM2_INTLEVEL2 0x144 /* Interrupt level reg 2 */
#define MCFSIM2_INTLEVEL3 0x148 /* Interrupt level reg 3 */
#define MCFSIM2_INTLEVEL4 0x14c /* Interrupt level reg 4 */
#define MCFSIM2_INTLEVEL5 0x150 /* Interrupt level reg 5 */
#define MCFSIM2_INTLEVEL6 0x154 /* Interrupt level reg 6 */
#define MCFSIM2_INTLEVEL7 0x158 /* Interrupt level reg 7 */
#define MCFSIM2_INTLEVEL8 0x15c /* Interrupt level reg 8 */
#define MCFSIM2_DMAROUTE 0x188 /* DMA routing */
#define MCFSIM2_IDECONFIG1 0x18c /* IDEconfig1 */
#define MCFSIM2_IDECONFIG2 0x190 /* IDEconfig2 */
/*
* Macro to set IMR register. It is 32 bits on the 5249.
*/
#define MCFSIM_IMR_MASKALL 0x7fffe /* All SIM intr sources */
#define mcf_getimr() \
*((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR))
#define mcf_setimr(imr) \
*((volatile unsigned long *) (MCF_MBAR + MCFSIM_IMR)) = (imr);
#define mcf_getipr() \
*((volatile unsigned long *) (MCF_MBAR + MCFSIM_IPR))
/****************************************************************************/
#ifdef __ASSEMBLER__
/*
* The M5249C3 board needs a little help getting all its SIM devices
* initialized at kernel start time. dBUG doesn't set much up, so
* we need to do it manually.
*/
.macro m5249c3_setup
/*
* Set MBAR1 and MBAR2, just incase they are not set.
*/
movel #0x10000001,%a0
movec %a0,%MBAR /* map MBAR region */
subql #1,%a0 /* get MBAR address in a0 */
movel #0x80000001,%a1
movec %a1,#3086 /* map MBAR2 region */
subql #1,%a1 /* get MBAR2 address in a1 */
/*
* Move secondary interrupts to base at 128.
*/
moveb #0x80,%d0
moveb %d0,0x16b(%a1) /* interrupt base register */
/*
* Work around broken CSMR0/DRAM vector problem.
*/
movel #0x001F0021,%d0 /* disable C/I bit */
movel %d0,0x84(%a0) /* set CSMR0 */
/*
* Disable the PLL firstly. (Who knows what state it is
* in here!).
*/
movel 0x180(%a1),%d0 /* get current PLL value */
andl #0xfffffffe,%d0 /* PLL bypass first */
movel %d0,0x180(%a1) /* set PLL register */
nop
#if CONFIG_CLOCK_FREQ == 140000000
/*
* Set initial clock frequency. This assumes M5249C3 board
* is fitted with 11.2896MHz crystal. It will program the
* PLL for 140MHz. Lets go fast :-)
*/
movel #0x125a40f0,%d0 /* set for 140MHz */
movel %d0,0x180(%a1) /* set PLL register */
orl #0x1,%d0
movel %d0,0x180(%a1) /* set PLL register */
#endif
/*
* Setup CS1 for ethernet controller.
* (Setup as per M5249C3 doco).
*/
movel #0xe0000000,%d0 /* CS1 mapped at 0xe0000000 */
movel %d0,0x8c(%a0)
movel #0x001f0021,%d0 /* CS1 size of 1Mb */
movel %d0,0x90(%a0)
movew #0x0080,%d0 /* CS1 = 16bit port, AA */
movew %d0,0x96(%a0)
/*
* Setup CS2 for IDE interface.
*/
movel #0x50000000,%d0 /* CS2 mapped at 0x50000000 */
movel %d0,0x98(%a0)
movel #0x001f0001,%d0 /* CS2 size of 1MB */
movel %d0,0x9c(%a0)
movew #0x0080,%d0 /* CS2 = 16bit, TA */
movew %d0,0xa2(%a0)
movel #0x00107000,%d0 /* IDEconfig1 */
movel %d0,0x18c(%a1)
movel #0x000c0400,%d0 /* IDEconfig2 */
movel %d0,0x190(%a1)
movel #0x00080000,%d0 /* GPIO19, IDE reset bit */
orl %d0,0xc(%a1) /* function GPIO19 */
orl %d0,0x8(%a1) /* enable GPIO19 as output */
orl %d0,0x4(%a1) /* de-assert IDE reset */
.endm
#define PLATFORM_SETUP m5249c3_setup
#endif /* __ASSEMBLER__ */
/****************************************************************************/
#endif /* m5249sim_h */
