Merge branch 'linus' into core/iommu

1 files changed, 209 insertions, 0 deletions

diff --git a/arch/m68k/include/asm/m5249sim.h b/arch/m68k/include/asm/m5249sim.h
new file mode 100644
index 000000000000..366eb8602d2f
--- /dev/null
+++ b/arch/m68k/include/asm/m5249sim.h
@@ -0,0 +1,209 @@
+/****************************************************************************/
+
+/*
+ *      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 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              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 */