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Diffstat (limited to 'include/asm-mips/ddb5xxx/ddb5477.h')
| -rw-r--r-- | include/asm-mips/ddb5xxx/ddb5477.h | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/include/asm-mips/ddb5xxx/ddb5477.h b/include/asm-mips/ddb5xxx/ddb5477.h new file mode 100644 index 0000000..ae3e2a3 --- /dev/null +++ b/include/asm-mips/ddb5xxx/ddb5477.h @@ -0,0 +1,346 @@ +/*********************************************************************** + * + * Copyright 2001 MontaVista Software Inc. + * Author: jsun@mvista.com or jsun@junsun.net + * + * include/asm-mips/ddb5xxx/ddb5477.h + * DDB 5477 specific definitions and macros. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + *********************************************************************** + */ + +#ifndef __ASM_DDB5XXX_DDB5477_H +#define __ASM_DDB5XXX_DDB5477_H + +#include <linux/config.h> + +/* + * This contains macros that are specific to DDB5477 or renamed from + * DDB5476. + */ + +/* + * renamed PADRs + */ +#define DDB_LCS0 DDB_DCS2 +#define DDB_LCS1 DDB_DCS3 +#define DDB_LCS2 DDB_DCS4 +#define DDB_VRC5477 DDB_INTCS + +/* + * New CPU interface registers + */ +#define DDB_INTCTRL0 0x0400 /* Interrupt Control 0 */ +#define DDB_INTCTRL1 0x0404 /* Interrupt Control 1 */ +#define DDB_INTCTRL2 0x0408 /* Interrupt Control 2 */ +#define DDB_INTCTRL3 0x040c /* Interrupt Control 3 */ + +#define DDB_INT0STAT 0x0420 /* INT0 Status [R] */ +#define DDB_INT1STAT 0x0428 /* INT1 Status [R] */ +#define DDB_INT2STAT 0x0430 /* INT2 Status [R] */ +#define DDB_INT3STAT 0x0438 /* INT3 Status [R] */ +#define DDB_INT4STAT 0x0440 /* INT4 Status [R] */ +#define DDB_NMISTAT 0x0450 /* NMI Status [R] */ + +#define DDB_INTCLR32 0x0468 /* Interrupt Clear */ + +#define DDB_INTPPES0 0x0470 /* PCI0 Interrupt Control */ +#define DDB_INTPPES1 0x0478 /* PCI1 Interrupt Control */ + +#undef DDB_CPUSTAT /* duplicate in Vrc-5477 */ +#define DDB_CPUSTAT 0x0480 /* CPU Status [R] */ +#define DDB_BUSCTRL 0x0488 /* Internal Bus Control */ + + +/* + * Timer registers + */ +#define DDB_REFCTRL_L DDB_T0CTRL +#define DDB_REFCTRL_H (DDB_T0CTRL+4) +#define DDB_REFCNTR DDB_T0CNTR +#define DDB_SPT0CTRL_L DDB_T1CTRL +#define DDB_SPT0CTRL_H (DDB_T1CTRL+4) +#define DDB_SPT1CTRL_L DDB_T2CTRL +#define DDB_SPT1CTRL_H (DDB_T2CTRL+4) +#define DDB_SPT1CNTR DDB_T1CTRL +#define DDB_WDTCTRL_L DDB_T3CTRL +#define DDB_WDTCTRL_H (DDB_T3CTRL+4) +#define DDB_WDTCNTR DDB_T3CNTR + +/* + * DMA registers are moved. We don't care about it for now. TODO. + */ + +/* + * BARs for ext PCI (PCI0) + */ +#undef DDB_BARC +#undef DDB_BARB + +#define DDB_BARC0 0x0210 /* PCI0 Control */ +#define DDB_BARM010 0x0218 /* PCI0 SDRAM bank01 */ +#define DDB_BARM230 0x0220 /* PCI0 SDRAM bank23 */ +#define DDB_BAR00 0x0240 /* PCI0 LDCS0 */ +#define DDB_BAR10 0x0248 /* PCI0 LDCS1 */ +#define DDB_BAR20 0x0250 /* PCI0 LDCS2 */ +#define DDB_BAR30 0x0258 /* PCI0 LDCS3 */ +#define DDB_BAR40 0x0260 /* PCI0 LDCS4 */ +#define DDB_BAR50 0x0268 /* PCI0 LDCS5 */ +#define DDB_BARB0 0x0280 /* PCI0 BOOT */ +#define DDB_BARP00 0x0290 /* PCI0 for IOPCI Window0 */ +#define DDB_BARP10 0x0298 /* PCI0 for IOPCI Window1 */ + +/* + * BARs for IOPIC (PCI1) + */ +#define DDB_BARC1 0x0610 /* PCI1 Control */ +#define DDB_BARM011 0x0618 /* PCI1 SDRAM bank01 */ +#define DDB_BARM231 0x0620 /* PCI1 SDRAM bank23 */ +#define DDB_BAR01 0x0640 /* PCI1 LDCS0 */ +#define DDB_BAR11 0x0648 /* PCI1 LDCS1 */ +#define DDB_BAR21 0x0650 /* PCI1 LDCS2 */ +#define DDB_BAR31 0x0658 /* PCI1 LDCS3 */ +#define DDB_BAR41 0x0660 /* PCI1 LDCS4 */ +#define DDB_BAR51 0x0668 /* PCI1 LDCS5 */ +#define DDB_BARB1 0x0680 /* PCI1 BOOT */ +#define DDB_BARP01 0x0690 /* PCI1 for ext PCI Window0 */ +#define DDB_BARP11 0x0698 /* PCI1 for ext PCI Window1 */ + +/* + * Other registers for ext PCI (PCI0) + */ +#define DDB_PCIINIT00 0x02f0 /* PCI0 Initiator 0 */ +#define DDB_PCIINIT10 0x02f8 /* PCI0 Initiator 1 */ + +#define DDB_PCISWP0 0x02b0 /* PCI0 Swap */ +#define DDB_PCIERR0 0x02b8 /* PCI0 Error */ + +#define DDB_PCICTL0_L 0x02e0 /* PCI0 Control-L */ +#define DDB_PCICTL0_H 0x02e4 /* PCI0 Control-H */ +#define DDB_PCIARB0_L 0x02e8 /* PCI0 Arbitration-L */ +#define DDB_PCIARB0_H 0x02ec /* PCI0 Arbitration-H */ + +/* + * Other registers for IOPCI (PCI1) + */ +#define DDB_IOPCIW0 0x00d0 /* PCI Address Window 0 [R/W] */ +#define DDB_IOPCIW1 0x00d8 /* PCI Address Window 1 [R/W] */ + +#define DDB_PCIINIT01 0x06f0 /* PCI1 Initiator 0 */ +#define DDB_PCIINIT11 0x06f8 /* PCI1 Initiator 1 */ + +#define DDB_PCISWP1 0x06b0 /* PCI1 Swap */ +#define DDB_PCIERR1 0x06b8 /* PCI1 Error */ + +#define DDB_PCICTL1_L 0x06e0 /* PCI1 Control-L */ +#define DDB_PCICTL1_H 0x06e4 /* PCI1 Control-H */ +#define DDB_PCIARB1_L 0x06e8 /* PCI1 Arbitration-L */ +#define DDB_PCIARB1_H 0x06ec /* PCI1 Arbitration-H */ + +/* + * Local Bus + */ +#define DDB_LCST0 0x0110 /* LB Chip Select Timing 0 */ +#define DDB_LCST1 0x0118 /* LB Chip Select Timing 1 */ +#undef DDB_LCST2 +#define DDB_LCST2 0x0120 /* LB Chip Select Timing 2 */ +#undef DDB_LCST3 +#undef DDB_LCST4 +#undef DDB_LCST5 +#undef DDB_LCST6 +#undef DDB_LCST7 +#undef DDB_LCST8 +#define DDB_ERRADR 0x0150 /* Error Address Register */ +#define DDB_ERRCS 0x0160 +#define DDB_BTM 0x0170 /* Boot Time Mode value */ + +/* + * MISC registers + */ +#define DDB_GIUFUNSEL 0x4040 /* select dual-func pins */ +#define DDB_PIBMISC 0x0750 /* USB buffer enable / power saving */ + +/* + * Memory map (physical address) + * + * Note most of the following address must be properly aligned by the + * corresponding size. For example, if PCI_IO_SIZE is 16MB, then + * PCI_IO_BASE must be aligned along 16MB boundary. + */ + +/* the actual ram size is detected at run-time */ +#define DDB_SDRAM_BASE 0x00000000 +#define DDB_MAX_SDRAM_SIZE 0x08000000 /* less than 128MB */ + +#define DDB_PCI0_MEM_BASE 0x08000000 +#define DDB_PCI0_MEM_SIZE 0x08000000 /* 128 MB */ + +#define DDB_PCI1_MEM_BASE 0x10000000 +#define DDB_PCI1_MEM_SIZE 0x08000000 /* 128 MB */ + +#define DDB_PCI0_CONFIG_BASE 0x18000000 +#define DDB_PCI0_CONFIG_SIZE 0x01000000 /* 16 MB */ + +#define DDB_PCI1_CONFIG_BASE 0x19000000 +#define DDB_PCI1_CONFIG_SIZE 0x01000000 /* 16 MB */ + +#define DDB_PCI_IO_BASE 0x1a000000 /* we concatenate two IOs */ +#define DDB_PCI0_IO_BASE 0x1a000000 +#define DDB_PCI0_IO_SIZE 0x01000000 /* 16 MB */ +#define DDB_PCI1_IO_BASE 0x1b000000 +#define DDB_PCI1_IO_SIZE 0x01000000 /* 16 MB */ + +#define DDB_LCS0_BASE 0x1c000000 /* flash memory */ +#define DDB_LCS0_SIZE 0x01000000 /* 16 MB */ + +#define DDB_LCS1_BASE 0x1d000000 /* misc */ +#define DDB_LCS1_SIZE 0x01000000 /* 16 MB */ + +#define DDB_LCS2_BASE 0x1e000000 /* Mezzanine */ +#define DDB_LCS2_SIZE 0x01000000 /* 16 MB */ + +#define DDB_VRC5477_BASE 0x1fa00000 /* VRC5477 control regs */ +#define DDB_VRC5477_SIZE 0x00200000 /* 2MB */ + +#define DDB_BOOTCS_BASE 0x1fc00000 /* Boot ROM / EPROM /Flash */ +#define DDB_BOOTCS_SIZE 0x00200000 /* 2 MB - doc says 4MB */ + +#define DDB_LED DDB_LCS1_BASE + 0x10000 + + +/* + * DDB5477 specific functions + */ +#ifndef __ASSEMBLY__ +extern void ddb5477_irq_setup(void); + +/* route irq to cpu int pin */ +extern void ll_vrc5477_irq_route(int vrc5477_irq, int ip); + +/* low-level routine for enabling vrc5477 irq, bypassing high-level */ +extern void ll_vrc5477_irq_enable(int vrc5477_irq); +extern void ll_vrc5477_irq_disable(int vrc5477_irq); +#endif /* !__ASSEMBLY__ */ + +/* PCI intr ack share PCIW0 with PCI IO */ +#define DDB_PCI_IACK_BASE DDB_PCI_IO_BASE + +/* + * Interrupt mapping + * + * We have three interrupt controllers: + * + * . CPU itself - 8 sources + * . i8259 - 16 sources + * . vrc5477 - 32 sources + * + * They connected as follows: + * all vrc5477 interrupts are routed to cpu IP2 (by software setting) + * all i8359 are routed to INTC in vrc5477 (by hardware connection) + * + * All VRC5477 PCI interrupts are level-triggered (no ack needed). + * All PCI irq but INTC are active low. + */ + +/* + * irq number block assignment + */ + +#define NUM_CPU_IRQ 8 +#define NUM_I8259_IRQ 16 +#define NUM_VRC5477_IRQ 32 + +#define DDB_IRQ_BASE 0 + +#define I8259_IRQ_BASE DDB_IRQ_BASE +#define VRC5477_IRQ_BASE (I8259_IRQ_BASE + NUM_I8259_IRQ) +#define CPU_IRQ_BASE (VRC5477_IRQ_BASE + NUM_VRC5477_IRQ) + +/* + * vrc5477 irq defs + */ + +#define VRC5477_IRQ_CPCE (0 + VRC5477_IRQ_BASE) /* cpu parity error */ +#define VRC5477_IRQ_CNTD (1 + VRC5477_IRQ_BASE) /* cpu no target */ +#define VRC5477_IRQ_I2C (2 + VRC5477_IRQ_BASE) /* I2C */ +#define VRC5477_IRQ_DMA (3 + VRC5477_IRQ_BASE) /* DMA */ +#define VRC5477_IRQ_UART0 (4 + VRC5477_IRQ_BASE) +#define VRC5477_IRQ_WDOG (5 + VRC5477_IRQ_BASE) /* watchdog timer */ +#define VRC5477_IRQ_SPT1 (6 + VRC5477_IRQ_BASE) /* special purpose timer 1 */ +#define VRC5477_IRQ_LBRT (7 + VRC5477_IRQ_BASE) /* local bus read timeout */ +#define VRC5477_IRQ_INTA (8 + VRC5477_IRQ_BASE) /* PCI INT #A */ +#define VRC5477_IRQ_INTB (9 + VRC5477_IRQ_BASE) /* PCI INT #B */ +#define VRC5477_IRQ_INTC (10 + VRC5477_IRQ_BASE) /* PCI INT #C */ +#define VRC5477_IRQ_INTD (11 + VRC5477_IRQ_BASE) /* PCI INT #D */ +#define VRC5477_IRQ_INTE (12 + VRC5477_IRQ_BASE) /* PCI INT #E */ +#define VRC5477_IRQ_RESERVED_13 (13 + VRC5477_IRQ_BASE) /* reserved */ +#define VRC5477_IRQ_PCIS (14 + VRC5477_IRQ_BASE) /* PCI SERR # */ +#define VRC5477_IRQ_PCI (15 + VRC5477_IRQ_BASE) /* PCI internal error */ +#define VRC5477_IRQ_IOPCI_INTA (16 + VRC5477_IRQ_BASE) /* USB-H */ +#define VRC5477_IRQ_IOPCI_INTB (17 + VRC5477_IRQ_BASE) /* USB-P */ +#define VRC5477_IRQ_IOPCI_INTC (18 + VRC5477_IRQ_BASE) /* AC97 */ +#define VRC5477_IRQ_IOPCI_INTD (19 + VRC5477_IRQ_BASE) /* Reserved */ +#define VRC5477_IRQ_UART1 (20 + VRC5477_IRQ_BASE) +#define VRC5477_IRQ_SPT0 (21 + VRC5477_IRQ_BASE) /* special purpose timer 0 */ +#define VRC5477_IRQ_GPT0 (22 + VRC5477_IRQ_BASE) /* general purpose timer 0 */ +#define VRC5477_IRQ_GPT1 (23 + VRC5477_IRQ_BASE) /* general purpose timer 1 */ +#define VRC5477_IRQ_GPT2 (24 + VRC5477_IRQ_BASE) /* general purpose timer 2 */ +#define VRC5477_IRQ_GPT3 (25 + VRC5477_IRQ_BASE) /* general purpose timer 3 */ +#define VRC5477_IRQ_GPIO (26 + VRC5477_IRQ_BASE) +#define VRC5477_IRQ_SIO0 (27 + VRC5477_IRQ_BASE) +#define VRC5477_IRQ_SIO1 (28 + VRC5477_IRQ_BASE) +#define VRC5477_IRQ_RESERVED_29 (29 + VRC5477_IRQ_BASE) /* reserved */ +#define VRC5477_IRQ_IOPCISERR (30 + VRC5477_IRQ_BASE) /* IO PCI SERR # */ +#define VRC5477_IRQ_IOPCI (31 + VRC5477_IRQ_BASE) + +/* + * i2859 irq assignment + */ +#define I8259_IRQ_RESERVED_0 (0 + I8259_IRQ_BASE) +#define I8259_IRQ_KEYBOARD (1 + I8259_IRQ_BASE) /* M1543 default */ +#define I8259_IRQ_CASCADE (2 + I8259_IRQ_BASE) +#define I8259_IRQ_UART_B (3 + I8259_IRQ_BASE) /* M1543 default, may conflict with RTC according to schematic diagram */ +#define I8259_IRQ_UART_A (4 + I8259_IRQ_BASE) /* M1543 default */ +#define I8259_IRQ_PARALLEL (5 + I8259_IRQ_BASE) /* M1543 default */ +#define I8259_IRQ_RESERVED_6 (6 + I8259_IRQ_BASE) +#define I8259_IRQ_RESERVED_7 (7 + I8259_IRQ_BASE) +#define I8259_IRQ_RTC (8 + I8259_IRQ_BASE) /* who set this? */ +#define I8259_IRQ_USB (9 + I8259_IRQ_BASE) /* ddb_setup */ +#define I8259_IRQ_PMU (10 + I8259_IRQ_BASE) /* ddb_setup */ +#define I8259_IRQ_RESERVED_11 (11 + I8259_IRQ_BASE) +#define I8259_IRQ_RESERVED_12 (12 + I8259_IRQ_BASE) /* m1543_irq_setup */ +#define I8259_IRQ_RESERVED_13 (13 + I8259_IRQ_BASE) +#define I8259_IRQ_HDC1 (14 + I8259_IRQ_BASE) /* default and ddb_setup */ +#define I8259_IRQ_HDC2 (15 + I8259_IRQ_BASE) /* default */ + + +/* + * misc + */ +#define VRC5477_I8259_CASCADE (VRC5477_IRQ_INTC - VRC5477_IRQ_BASE) +#define CPU_VRC5477_CASCADE 2 + +/* + * debug routines + */ +#ifndef __ASSEMBLY__ +#if defined(CONFIG_RUNTIME_DEBUG) +extern void vrc5477_show_pdar_regs(void); +extern void vrc5477_show_pci_regs(void); +extern void vrc5477_show_bar_regs(void); +extern void vrc5477_show_int_regs(void); +extern void vrc5477_show_all_regs(void); +#endif + +/* + * RAM size + */ +extern int board_ram_size; +#endif /* !__ASSEMBLY__ */ + +#endif /* __ASM_DDB5XXX_DDB5477_H */ |
