1 files changed, 310 insertions, 0 deletions

diff --git a/arch/mips/include/asm/jazz.h b/arch/mips/include/asm/jazz.h
new file mode 100644
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+++ b/arch/mips/include/asm/jazz.h
@@ -0,0 +1,310 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1995 - 1998 by Andreas Busse and Ralf Baechle
+ */
+#ifndef __ASM_JAZZ_H
+#define __ASM_JAZZ_H
+
+/*
+ * The addresses below are virtual address. The mappings are
+ * created on startup via wired entries in the tlb. The Mips
+ * Magnum R3000 and R4000 machines are similar in many aspects,
+ * but many hardware register are accessible at 0xb9000000 in
+ * instead of 0xe0000000.
+ */
+
+#define JAZZ_LOCAL_IO_SPACE     0xe0000000
+
+/*
+ * Revision numbers in PICA_ASIC_REVISION
+ *
+ * 0xf0000000 - Rev1
+ * 0xf0000001 - Rev2
+ * 0xf0000002 - Rev3
+ */
+#define PICA_ASIC_REVISION      0xe0000008
+
+/*
+ * The segments of the seven segment LED are mapped
+ * to the control bits as follows:
+ *
+ *         (7)
+ *      ---------
+ *      |       |
+ *  (2) |       | (6)
+ *      |  (1)  |
+ *      ---------
+ *      |       |
+ *  (3) |       | (5)
+ *      |  (4)  |
+ *      --------- . (0)
+ */
+#define PICA_LED                0xe000f000
+
+/*
+ * Some characters for the LED control registers
+ * The original Mips machines seem to have a LED display
+ * with integrated decoder while the Acer machines can
+ * control each of the seven segments and the dot independently.
+ * It's only a toy, anyway...
+ */
+#define LED_DOT                 0x01
+#define LED_SPACE               0x00
+#define LED_0                   0xfc
+#define LED_1                   0x60
+#define LED_2                   0xda
+#define LED_3                   0xf2
+#define LED_4                   0x66
+#define LED_5                   0xb6
+#define LED_6                   0xbe
+#define LED_7                   0xe0
+#define LED_8                   0xfe
+#define LED_9                   0xf6
+#define LED_A                   0xee
+#define LED_b                   0x3e
+#define LED_C                   0x9c
+#define LED_d                   0x7a
+#define LED_E                   0x9e
+#define LED_F                   0x8e
+
+#ifndef __ASSEMBLY__
+
+static __inline__ void pica_set_led(unsigned int bits)
+{
+        volatile unsigned int *led_register = (unsigned int *) PICA_LED;
+
+        *led_register = bits;
+}
+
+#endif /* !__ASSEMBLY__ */
+
+/*
+ * Base address of the Sonic Ethernet adapter in Jazz machines.
+ */
+#define JAZZ_ETHERNET_BASE  0xe0001000
+
+/*
+ * Base address of the 53C94 SCSI hostadapter in Jazz machines.
+ */
+#define JAZZ_SCSI_BASE          0xe0002000
+
+/*
+ * i8042 keyboard controller for JAZZ and PICA chipsets.
+ * This address is just a guess and seems to differ from
+ * other mips machines such as RC3xxx...
+ */
+#define JAZZ_KEYBOARD_ADDRESS   0xe0005000
+#define JAZZ_KEYBOARD_DATA      0xe0005000
+#define JAZZ_KEYBOARD_COMMAND   0xe0005001
+
+#ifndef __ASSEMBLY__
+
+typedef struct {
+        unsigned char data;
+        unsigned char command;
+} jazz_keyboard_hardware;
+
+#define jazz_kh ((keyboard_hardware *) JAZZ_KEYBOARD_ADDRESS)
+
+typedef struct {
+        unsigned char pad0[3];
+        unsigned char data;
+        unsigned char pad1[3];
+        unsigned char command;
+} mips_keyboard_hardware;
+
+/*
+ * For now. Needs to be changed for RC3xxx support. See below.
+ */
+#define keyboard_hardware       jazz_keyboard_hardware
+
+#endif /* !__ASSEMBLY__ */
+
+/*
+ * i8042 keyboard controller for most other Mips machines.
+ */
+#define MIPS_KEYBOARD_ADDRESS   0xb9005000
+#define MIPS_KEYBOARD_DATA      0xb9005003
+#define MIPS_KEYBOARD_COMMAND   0xb9005007
+
+/*
+ * Serial and parallel ports (WD 16C552) on the Mips JAZZ
+ */
+#define JAZZ_SERIAL1_BASE       (unsigned int)0xe0006000
+#define JAZZ_SERIAL2_BASE       (unsigned int)0xe0007000
+#define JAZZ_PARALLEL_BASE      (unsigned int)0xe0008000
+
+/*
+ * Dummy Device Address. Used in jazzdma.c
+ */
+#define JAZZ_DUMMY_DEVICE       0xe000d000
+
+/*
+ * JAZZ timer registers and interrupt no.
+ * Note that the hardware timer interrupt is actually on
+ * cpu level 6, but to keep compatibility with PC stuff
+ * it is remapped to vector 0. See arch/mips/kernel/entry.S.
+ */
+#define JAZZ_TIMER_INTERVAL     0xe0000228
+#define JAZZ_TIMER_REGISTER     0xe0000230
+
+/*
+ * DRAM configuration register
+ */
+#ifndef __ASSEMBLY__
+#ifdef __MIPSEL__
+typedef struct {
+        unsigned int bank2 : 3;
+        unsigned int bank1 : 3;
+        unsigned int mem_bus_width : 1;
+        unsigned int reserved2 : 1;
+        unsigned int page_mode : 1;
+        unsigned int reserved1 : 23;
+} dram_configuration;
+#else /* defined (__MIPSEB__) */
+typedef struct {
+        unsigned int reserved1 : 23;
+        unsigned int page_mode : 1;
+        unsigned int reserved2 : 1;
+        unsigned int mem_bus_width : 1;
+        unsigned int bank1 : 3;
+        unsigned int bank2 : 3;
+} dram_configuration;
+#endif
+#endif /* !__ASSEMBLY__ */
+
+#define PICA_DRAM_CONFIG        0xe00fffe0
+
+/*
+ * JAZZ interrupt control registers
+ */
+#define JAZZ_IO_IRQ_SOURCE      0xe0010000
+#define JAZZ_IO_IRQ_ENABLE      0xe0010002
+
+/*
+ * JAZZ Interrupt Level definitions
+ *
+ * This is somewhat broken.  For reasons which nobody can remember anymore
+ * we remap the Jazz interrupts to the usual ISA style interrupt numbers.
+ */
+#define JAZZ_IRQ_START          24
+#define JAZZ_IRQ_END            (24 + 9)
+#define JAZZ_PARALLEL_IRQ       (JAZZ_IRQ_START + 0)
+#define JAZZ_FLOPPY_IRQ         (JAZZ_IRQ_START + 1)
+#define JAZZ_SOUND_IRQ          (JAZZ_IRQ_START + 2)
+#define JAZZ_VIDEO_IRQ          (JAZZ_IRQ_START + 3)
+#define JAZZ_ETHERNET_IRQ       (JAZZ_IRQ_START + 4)
+#define JAZZ_SCSI_IRQ           (JAZZ_IRQ_START + 5)
+#define JAZZ_KEYBOARD_IRQ       (JAZZ_IRQ_START + 6)
+#define JAZZ_MOUSE_IRQ          (JAZZ_IRQ_START + 7)
+#define JAZZ_SERIAL1_IRQ        (JAZZ_IRQ_START + 8)
+#define JAZZ_SERIAL2_IRQ        (JAZZ_IRQ_START + 9)
+
+#define JAZZ_TIMER_IRQ          (MIPS_CPU_IRQ_BASE+6)
+
+
+/*
+ * JAZZ DMA Channels
+ * Note: Channels 4...7 are not used with respect to the Acer PICA-61
+ * chipset which does not provide these DMA channels.
+ */
+#define JAZZ_SCSI_DMA           0              /* SCSI */
+#define JAZZ_FLOPPY_DMA         1              /* FLOPPY */
+#define JAZZ_AUDIOL_DMA         2              /* AUDIO L */
+#define JAZZ_AUDIOR_DMA         3              /* AUDIO R */
+
+/*
+ * JAZZ R4030 MCT_ADR chip (DMA controller)
+ * Note: Virtual Addresses !
+ */
+#define JAZZ_R4030_CONFIG       0xE0000000      /* R4030 config register */
+#define JAZZ_R4030_REVISION     0xE0000008      /* same as PICA_ASIC_REVISION */
+#define JAZZ_R4030_INV_ADDR     0xE0000010      /* Invalid Address register */
+
+#define JAZZ_R4030_TRSTBL_BASE  0xE0000018      /* Translation Table Base */
+#define JAZZ_R4030_TRSTBL_LIM   0xE0000020      /* Translation Table Limit */
+#define JAZZ_R4030_TRSTBL_INV   0xE0000028      /* Translation Table Invalidate */
+
+#define JAZZ_R4030_CACHE_MTNC   0xE0000030      /* Cache Maintenance */
+#define JAZZ_R4030_R_FAIL_ADDR  0xE0000038      /* Remote Failed Address */
+#define JAZZ_R4030_M_FAIL_ADDR  0xE0000040      /* Memory Failed Address */
+
+#define JAZZ_R4030_CACHE_PTAG   0xE0000048      /* I/O Cache Physical Tag */
+#define JAZZ_R4030_CACHE_LTAG   0xE0000050      /* I/O Cache Logical Tag */
+#define JAZZ_R4030_CACHE_BMASK  0xE0000058      /* I/O Cache Byte Mask */
+#define JAZZ_R4030_CACHE_BWIN   0xE0000060      /* I/O Cache Buffer Window */
+
+/*
+ * Remote Speed Registers.
+ *
+ *  0: free,      1: Ethernet,  2: SCSI,      3: Floppy,
+ *  4: RTC,       5: Kb./Mouse  6: serial 1,  7: serial 2,
+ *  8: parallel,  9: NVRAM,    10: CPU,      11: PROM,
+ * 12: reserved, 13: free,     14: 7seg LED, 15: ???
+ */
+#define JAZZ_R4030_REM_SPEED    0xE0000070      /* 16 Remote Speed Registers */
+                                                /* 0xE0000070,78,80... 0xE00000E8 */
+#define JAZZ_R4030_IRQ_ENABLE   0xE00000E8      /* Internal Interrupt Enable */
+#define JAZZ_R4030_INVAL_ADDR   0xE0000010      /* Invalid address Register */
+#define JAZZ_R4030_IRQ_SOURCE   0xE0000200      /* Interrupt Source Register */
+#define JAZZ_R4030_I386_ERROR   0xE0000208      /* i386/EISA Bus Error */
+
+/*
+ * Virtual (E)ISA controller address
+ */
+#define JAZZ_EISA_IRQ_ACK       0xE0000238      /* EISA interrupt acknowledge */
+
+/*
+ * Access the R4030 DMA and I/O Controller
+ */
+#ifndef __ASSEMBLY__
+
+static inline void r4030_delay(void)
+{
+__asm__ __volatile__(
+        ".set\tnoreorder\n\t"
+        "nop\n\t"
+        "nop\n\t"
+        "nop\n\t"
+        "nop\n\t"
+        ".set\treorder");
+}
+
+static inline unsigned short r4030_read_reg16(unsigned long addr)
+{
+        unsigned short ret = *((volatile unsigned short *)addr);
+        r4030_delay();
+        return ret;
+}
+
+static inline unsigned int r4030_read_reg32(unsigned long addr)
+{
+        unsigned int ret = *((volatile unsigned int *)addr);
+        r4030_delay();
+        return ret;
+}
+
+static inline void r4030_write_reg16(unsigned long addr, unsigned val)
+{
+        *((volatile unsigned short *)addr) = val;
+        r4030_delay();
+}
+
+static inline void r4030_write_reg32(unsigned long addr, unsigned val)
+{
+        *((volatile unsigned int *)addr) = val;
+        r4030_delay();
+}
+
+#endif /* !__ASSEMBLY__ */
+
+#define JAZZ_FDC_BASE   0xe0003000
+#define JAZZ_RTC_BASE   0xe0004000
+#define JAZZ_PORT_BASE  0xe2000000
+
+#define JAZZ_EISA_BASE  0xe3000000
+
+#endif /* __ASM_JAZZ_H */