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Diffstat (limited to 'arch/m68k/include/asm/m5249sim.h')
| -rw-r--r-- | arch/m68k/include/asm/m5249sim.h | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/m5249sim.h b/arch/m68k/include/asm/m5249sim.h new file mode 100644 index 00000000..7f0c2c36 --- /dev/null +++ b/arch/m68k/include/asm/m5249sim.h @@ -0,0 +1,269 @@ +/****************************************************************************/ + +/* + * m5249sim.h -- ColdFire 5249 System Integration Module support. + * + * (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com) + */ + +/****************************************************************************/ +#ifndef m5249sim_h +#define m5249sim_h +/****************************************************************************/ + +#define CPU_NAME "COLDFIRE(m5249)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK (MCF_CLK / 2) + +#include <asm/m52xxacr.h> + +/* + * The 5249 has a second MBAR region, define its address. + */ +#define MCF_MBAR2 0x80000000 + +/* + * 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 Address 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 Address 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 (MCF_MBAR + 0x100) /* DRAM Control */ +#define MCFSIM_DACR0 (MCF_MBAR + 0x108) /* DRAM 0 Addr/Ctrl */ +#define MCFSIM_DMR0 (MCF_MBAR + 0x10c) /* DRAM 0 Mask */ +#define MCFSIM_DACR1 (MCF_MBAR + 0x110) /* DRAM 1 Addr/Ctrl */ +#define MCFSIM_DMR1 (MCF_MBAR + 0x114) /* DRAM 1 Mask */ + +/* + * Timer module. + */ +#define MCFTIMER_BASE1 (MCF_MBAR + 0x140) /* Base of TIMER1 */ +#define MCFTIMER_BASE2 (MCF_MBAR + 0x180) /* Base of TIMER2 */ + +/* + * UART module. + */ +#define MCFUART_BASE0 (MCF_MBAR + 0x1c0) /* Base address UART0 */ +#define MCFUART_BASE1 (MCF_MBAR + 0x200) /* Base address UART1 */ + +/* + * QSPI module. + */ +#define MCFQSPI_BASE (MCF_MBAR + 0x300) /* Base address QSPI */ +#define MCFQSPI_SIZE 0x40 /* Register set size */ + +#define MCFQSPI_CS0 29 +#define MCFQSPI_CS1 24 +#define MCFQSPI_CS2 21 +#define MCFQSPI_CS3 22 + +/* + * DMA unit base addresses. + */ +#define MCFDMA_BASE0 (MCF_MBAR + 0x300) /* Base address DMA 0 */ +#define MCFDMA_BASE1 (MCF_MBAR + 0x340) /* Base address DMA 1 */ +#define MCFDMA_BASE2 (MCF_MBAR + 0x380) /* Base address DMA 2 */ +#define MCFDMA_BASE3 (MCF_MBAR + 0x3C0) /* Base address DMA 3 */ + +/* + * 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 */ +#define MCFSIM_QSPIICR MCFSIM_ICR10 /* QSPI ICR */ + +/* + * Define system peripheral IRQ usage. + */ +#define MCF_IRQ_QSPI 28 /* QSPI, Level 4 */ +#define MCF_IRQ_TIMER 30 /* Timer0, Level 6 */ +#define MCF_IRQ_PROFILER 31 /* Timer1, Level 7 */ + +#define MCF_IRQ_UART0 73 /* UART0 */ +#define MCF_IRQ_UART1 74 /* UART1 */ + +/* + * General purpose IO registers (in MBAR2). + */ +#define MCFSIM2_GPIOREAD (MCF_MBAR2 + 0x000) /* GPIO read values */ +#define MCFSIM2_GPIOWRITE (MCF_MBAR2 + 0x004) /* GPIO write values */ +#define MCFSIM2_GPIOENABLE (MCF_MBAR2 + 0x008) /* GPIO enabled */ +#define MCFSIM2_GPIOFUNC (MCF_MBAR2 + 0x00C) /* GPIO function */ +#define MCFSIM2_GPIO1READ (MCF_MBAR2 + 0x0B0) /* GPIO1 read values */ +#define MCFSIM2_GPIO1WRITE (MCF_MBAR2 + 0x0B4) /* GPIO1 write values */ +#define MCFSIM2_GPIO1ENABLE (MCF_MBAR2 + 0x0B8) /* GPIO1 enabled */ +#define MCFSIM2_GPIO1FUNC (MCF_MBAR2 + 0x0BC) /* 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 */ + +/* + * Define the base interrupt for the second interrupt controller. + * We set it to 128, out of the way of the base interrupts, and plenty + * of room for its 64 interrupts. + */ +#define MCFINTC2_VECBASE 128 + +#define MCFINTC2_GPIOIRQ0 (MCFINTC2_VECBASE + 32) +#define MCFINTC2_GPIOIRQ1 (MCFINTC2_VECBASE + 33) +#define MCFINTC2_GPIOIRQ2 (MCFINTC2_VECBASE + 34) +#define MCFINTC2_GPIOIRQ3 (MCFINTC2_VECBASE + 35) +#define MCFINTC2_GPIOIRQ4 (MCFINTC2_VECBASE + 36) +#define MCFINTC2_GPIOIRQ5 (MCFINTC2_VECBASE + 37) +#define MCFINTC2_GPIOIRQ6 (MCFINTC2_VECBASE + 38) +#define MCFINTC2_GPIOIRQ7 (MCFINTC2_VECBASE + 39) + +/* + * Generic GPIO support + */ +#define MCFGPIO_PIN_MAX 64 +#define MCFGPIO_IRQ_MAX -1 +#define MCFGPIO_IRQ_VECBASE -1 + +/****************************************************************************/ + +#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 their base (128). + */ + moveb #MCFINTC2_VECBASE,%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 */ |