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| -rw-r--r-- | arch/m68k/include/asm/m525xsim.h | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/arch/m68k/include/asm/m525xsim.h b/arch/m68k/include/asm/m525xsim.h new file mode 100644 index 000000000..de01b701d --- /dev/null +++ b/arch/m68k/include/asm/m525xsim.h @@ -0,0 +1,309 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/****************************************************************************/ + +/* + * m525xsim.h -- ColdFire 525x System Integration Module support. + * + * (C) Copyright 2012, Steven king <sfking@fdwdc.com> + * (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com) + */ + +/****************************************************************************/ +#ifndef m525xsim_h +#define m525xsim_h +/****************************************************************************/ + +/* + * This header supports ColdFire 5249, 5251 and 5253. There are a few + * little differences between them, but most of the peripheral support + * can be used by all of them. + */ +#define CPU_NAME "COLDFIRE(m525x)" +#define CPU_INSTR_PER_JIFFY 3 +#define MCF_BUSCLK (MCF_CLK / 2) + +#include <asm/m52xxacr.h> + +/* + * The 525x has a second MBAR region, define its address. + */ +#define MCF_MBAR2 0x80000000 + +/* + * Define the 525x SIM register set addresses. + */ +#define MCFSIM_RSR (MCF_MBAR + 0x00) /* Reset Status */ +#define MCFSIM_SYPCR (MCF_MBAR + 0x01) /* System Protection */ +#define MCFSIM_SWIVR (MCF_MBAR + 0x02) /* SW Watchdog intr */ +#define MCFSIM_SWSR (MCF_MBAR + 0x03) /* SW Watchdog srv */ +#define MCFSIM_MPARK (MCF_MBAR + 0x0C) /* BUS Master Ctrl */ +#define MCFSIM_IPR (MCF_MBAR + 0x40) /* Interrupt Pending */ +#define MCFSIM_IMR (MCF_MBAR + 0x44) /* Interrupt Mask */ +#define MCFSIM_ICR0 (MCF_MBAR + 0x4c) /* Intr Ctrl reg 0 */ +#define MCFSIM_ICR1 (MCF_MBAR + 0x4d) /* Intr Ctrl reg 1 */ +#define MCFSIM_ICR2 (MCF_MBAR + 0x4e) /* Intr Ctrl reg 2 */ +#define MCFSIM_ICR3 (MCF_MBAR + 0x4f) /* Intr Ctrl reg 3 */ +#define MCFSIM_ICR4 (MCF_MBAR + 0x50) /* Intr Ctrl reg 4 */ +#define MCFSIM_ICR5 (MCF_MBAR + 0x51) /* Intr Ctrl reg 5 */ +#define MCFSIM_ICR6 (MCF_MBAR + 0x52) /* Intr Ctrl reg 6 */ +#define MCFSIM_ICR7 (MCF_MBAR + 0x53) /* Intr Ctrl reg 7 */ +#define MCFSIM_ICR8 (MCF_MBAR + 0x54) /* Intr Ctrl reg 8 */ +#define MCFSIM_ICR9 (MCF_MBAR + 0x55) /* Intr Ctrl reg 9 */ +#define MCFSIM_ICR10 (MCF_MBAR + 0x56) /* Intr Ctrl reg 10 */ +#define MCFSIM_ICR11 (MCF_MBAR + 0x57) /* Intr Ctrl reg 11 */ + +#define MCFSIM_CSAR0 (MCF_MBAR + 0x80) /* CS 0 Address reg */ +#define MCFSIM_CSMR0 (MCF_MBAR + 0x84) /* CS 0 Mask reg */ +#define MCFSIM_CSCR0 (MCF_MBAR + 0x8a) /* CS 0 Control reg */ +#define MCFSIM_CSAR1 (MCF_MBAR + 0x8c) /* CS 1 Address reg */ +#define MCFSIM_CSMR1 (MCF_MBAR + 0x90) /* CS 1 Mask reg */ +#define MCFSIM_CSCR1 (MCF_MBAR + 0x96) /* CS 1 Control reg */ +#define MCFSIM_CSAR2 (MCF_MBAR + 0x98) /* CS 2 Address reg */ +#define MCFSIM_CSMR2 (MCF_MBAR + 0x9c) /* CS 2 Mask reg */ +#define MCFSIM_CSCR2 (MCF_MBAR + 0xa2) /* CS 2 Control reg */ +#define MCFSIM_CSAR3 (MCF_MBAR + 0xa4) /* CS 3 Address reg */ +#define MCFSIM_CSMR3 (MCF_MBAR + 0xa8) /* CS 3 Mask reg */ +#define MCFSIM_CSCR3 (MCF_MBAR + 0xae) /* CS 3 Control reg */ +#define MCFSIM_CSAR4 (MCF_MBAR + 0xb0) /* CS 4 Address reg */ +#define MCFSIM_CSMR4 (MCF_MBAR + 0xb4) /* CS 4 Mask reg */ +#define MCFSIM_CSCR4 (MCF_MBAR + 0xba) /* CS 4 Control reg */ + +#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 */ + +/* + * Secondary Interrupt Controller (in MBAR2) +*/ +#define MCFINTC2_INTBASE (MCF_MBAR2 + 0x168) /* Base Vector Reg */ +#define MCFINTC2_INTPRI1 (MCF_MBAR2 + 0x140) /* 0-7 priority */ +#define MCFINTC2_INTPRI2 (MCF_MBAR2 + 0x144) /* 8-15 priority */ +#define MCFINTC2_INTPRI3 (MCF_MBAR2 + 0x148) /* 16-23 priority */ +#define MCFINTC2_INTPRI4 (MCF_MBAR2 + 0x14c) /* 24-31 priority */ +#define MCFINTC2_INTPRI5 (MCF_MBAR2 + 0x150) /* 32-39 priority */ +#define MCFINTC2_INTPRI6 (MCF_MBAR2 + 0x154) /* 40-47 priority */ +#define MCFINTC2_INTPRI7 (MCF_MBAR2 + 0x158) /* 48-55 priority */ +#define MCFINTC2_INTPRI8 (MCF_MBAR2 + 0x15c) /* 56-63 priority */ + +#define MCFINTC2_INTPRI_REG(i) (MCFINTC2_INTPRI1 + \ + ((((i) - MCFINTC2_VECBASE) / 8) * 4)) +#define MCFINTC2_INTPRI_BITS(b, i) ((b) << (((i) % 8) * 4)) + +/* + * 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 + 0x400) /* Base address QSPI */ +#define MCFQSPI_SIZE 0x40 /* Register set size */ + +#ifdef CONFIG_M5249 +#define MCFQSPI_CS0 29 +#define MCFQSPI_CS1 24 +#define MCFQSPI_CS2 21 +#define MCFQSPI_CS3 22 +#else +#define MCFQSPI_CS0 15 +#define MCFQSPI_CS1 16 +#define MCFQSPI_CS2 24 +#define MCFQSPI_CS3 28 +#endif + +/* + * I2C module. + */ +#define MCFI2C_BASE0 (MCF_MBAR + 0x280) /* Base address I2C0 */ +#define MCFI2C_SIZE0 0x20 /* Register set size */ + +#define MCFI2C_BASE1 (MCF_MBAR2 + 0x440) /* Base address I2C1 */ +#define MCFI2C_SIZE1 0x20 /* Register set size */ + +/* + * 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_I2CICR MCFSIM_ICR3 /* I2C 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_I2C0 29 +#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 */ + +/* + * 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 MCF_IRQ_GPIO0 (MCFINTC2_VECBASE + 32) +#define MCF_IRQ_GPIO1 (MCFINTC2_VECBASE + 33) +#define MCF_IRQ_GPIO2 (MCFINTC2_VECBASE + 34) +#define MCF_IRQ_GPIO3 (MCFINTC2_VECBASE + 35) +#define MCF_IRQ_GPIO4 (MCFINTC2_VECBASE + 36) +#define MCF_IRQ_GPIO5 (MCFINTC2_VECBASE + 37) +#define MCF_IRQ_GPIO6 (MCFINTC2_VECBASE + 38) +#define MCF_IRQ_GPIO7 (MCFINTC2_VECBASE + 39) + +#define MCF_IRQ_USBWUP (MCFINTC2_VECBASE + 40) +#define MCF_IRQ_I2C1 (MCFINTC2_VECBASE + 62) + +/* + * 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 (MCF_MBAR2 + 0xc0) /* GPIO intr status */ +#define MCFSIM2_GPIOINTCLEAR (MCF_MBAR2 + 0xc0) /* GPIO intr clear */ +#define MCFSIM2_GPIOINTENABLE (MCF_MBAR2 + 0xc4) /* GPIO intr enable */ + +#define MCFSIM2_DMAROUTE (MCF_MBAR2 + 0x188) /* DMA routing */ +#define MCFSIM2_IDECONFIG1 (MCF_MBAR2 + 0x18c) /* IDEconfig1 */ +#define MCFSIM2_IDECONFIG2 (MCF_MBAR2 + 0x190) /* IDEconfig2 */ + +/* + * Generic GPIO support + */ +#define MCFGPIO_PIN_MAX 64 +#ifdef CONFIG_M5249 +#define MCFGPIO_IRQ_MAX -1 +#define MCFGPIO_IRQ_VECBASE -1 +#else +#define MCFGPIO_IRQ_MAX 7 +#define MCFGPIO_IRQ_VECBASE MCF_IRQ_GPIO0 +#endif + +/****************************************************************************/ + +#ifdef __ASSEMBLER__ +#ifdef CONFIG_M5249C3 +/* + * 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 /* CONFIG_M5249C3 */ +#endif /* __ASSEMBLER__ */ +/****************************************************************************/ +#endif /* m525xsim_h */ |