diff options
Diffstat (limited to 'arch/m68k/include/asm/m525xsim.h')
| -rw-r--r-- | arch/m68k/include/asm/m525xsim.h | 116 |
1 files changed, 115 insertions, 1 deletions
diff --git a/arch/m68k/include/asm/m525xsim.h b/arch/m68k/include/asm/m525xsim.h index acab61cb91ed..e33f5bb6aca8 100644 --- a/arch/m68k/include/asm/m525xsim.h +++ b/arch/m68k/include/asm/m525xsim.h @@ -12,6 +12,11 @@ #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) @@ -65,6 +70,8 @@ #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) @@ -101,11 +108,17 @@ #define MCFQSPI_BASE (MCF_MBAR + 0x300) /* 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. @@ -115,6 +128,7 @@ #define MCFI2C_BASE1 (MCF_MBAR2 + 0x440) /* Base addreess I2C1 */ #define MCFI2C_SIZE1 0x20 /* Register set size */ + /* * DMA unit base addresses. */ @@ -163,6 +177,7 @@ #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) @@ -183,12 +198,111 @@ #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 */ |