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/* $NetBSD: adm5120reg.h,v 1.1 2007/03/20 08:52:03 dyoung Exp $ */
/*-
* Copyright (c) 2007 Ruslan Ermilov and Vsevolod Lobko.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. The names of the authors may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/mips/adm5120/adm5120reg.h 202175 2010-01-12 21:36:08Z imp $
*/
#ifndef _ADM5120REG_H_
#define _ADM5120REG_H_
/* Helpers from NetBSD */
/* __BIT(n): nth bit, where __BIT(0) == 0x1. */
#define __BIT(__n) \
(((__n) >= NBBY * sizeof(uintmax_t)) ? 0 : ((uintmax_t)1 << (__n)))
/* __BITS(m, n): bits m through n, m < n. */
#define __BITS(__m, __n) \
((__BIT(MAX((__m), (__n)) + 1) - 1) ^ (__BIT(MIN((__m), (__n))) - 1))
/* Last byte of physical address space. */
#define ADM5120_TOP 0x1fffffff
#define ADM5120_BOTTOM 0x0
/* Flash addresses */
#define ADM5120_BASE_SRAM0 0x1fc00000
/* UARTs */
#define ADM5120_BASE_UART1 0x12800000
#define ADM5120_BASE_UART0 0x12600000
/* ICU */
#define ADM5120_BASE_ICU 0x12200000
#define ICU_STATUS_REG 0x00
#define ICU_RAW_STATUS_REG 0x04
#define ICU_ENABLE_REG 0x08
#define ICU_DISABLE_REG 0x0c
#define ICU_SOFT_REG 0x10
#define ICU_MODE_REG 0x14
#define ICU_FIQ_STATUS_REG 0x18
#define ICU_TESTSRC_REG 0x1c
#define ICU_SRCSEL_REG 0x20
#define ICU_LEVEL_REG 0x24
#define ICU_INT_MASK 0x3ff
/* Switch */
#define ADM5120_BASE_SWITCH 0x12000000
#define SW_CODE_REG 0x00
#define CLKS_MASK 0x00300000
#define CLKS_175MHZ 0x00000000
#define CLKS_200MHZ 0x00100000
#define SW_SFTRES_REG 0x04
#define SW_MEMCONT_REG 0x1c
#define SDRAM_SIZE_4MBYTES 0x0001
#define SDRAM_SIZE_8MBYTES 0x0002
#define SDRAM_SIZE_16MBYTES 0x0003
#define SDRAM_SIZE_64MBYTES 0x0004
#define SDRAM_SIZE_128MBYTES 0x0005
#define SDRAM_SIZE_MASK 0x0007
#define SRAM0_SIZE_SHIFT 8
#define SRAM1_SIZE_SHIFT 16
#define SRAM_MASK 0x0007
#define SRAM_SSIZE 0x40000
#define ADM5120_BASE_PCI_CONFDATA 0x115ffff8
#define ADM5120_BASE_PCI_CONFADDR 0x115ffff0
#define ADM5120_BASE_PCI_IO 0x11500000
#define ADM5120_BASE_PCI_MEM 0x11400000
#define ADM5120_BASE_USB 0x11200000
#define ADM5120_BASE_MPMC 0x11000000
#define ADM5120_BASE_EXTIO1 0x10e00000
#define ADM5120_BASE_EXTIO0 0x10c00000
#define ADM5120_BASE_RSVD0 0x10800000
#define ADM5120_BASE_SRAM1 0x10000000
#define _REG_READ(b, o) *((volatile uint32_t *)MIPS_PHYS_TO_KSEG1((b) + (o)))
#define SW_READ(o) _REG_READ(ADM5120_BASE_SWITCH, o)
#define _REG_WRITE(b, o, v) (_REG_READ(b, o)) = (v)
#define SW_WRITE(o, v) _REG_WRITE(ADM5120_BASE_SWITCH,o, v)
/* USB */
/* Watchdog Timers: base address is switch controller */
#define ADM5120_WDOG0 0x00c0
#define ADM5120_WDOG1 0x00c4
#define ADM5120_WDOG0_WTTR __BIT(31) /* 0: do not reset,
* 1: reset on wdog expiration
*/
#define ADM5120_WDOG1_WDE __BIT(31) /* 0: deactivate,
* 1: drop all CPU-bound
* packets, disable flow
* control on all ports.
*/
#define ADM5120_WDOG_WTS_MASK __BITS(30, 16) /* Watchdog Timer Set:
* timer expires when it
* reaches WTS. Units of
* 10ms.
*/
#define ADM5120_WDOG_RSVD __BIT(15)
#define ADM5120_WDOG_WT_MASK __BITS(14, 0) /* Watchdog Timer:
* counts up, write to clear.
*/
/* GPIO: base address is switch controller */
#define ADM5120_GPIO0 0x00b8
#define ADM5120_GPIO0_OV __BITS(31, 24) /* rw: output value */
#define ADM5120_GPIO0_OE __BITS(23, 16) /* rw: output enable,
* bit[n] = 0 -> input
* bit[n] = 1 -> output
*/
#define ADM5120_GPIO0_IV __BITS(15, 8) /* ro: input value */
#define ADM5120_GPIO0_RSVD __BITS(7, 0) /* rw: reserved */
#define ADM5120_GPIO2 0x00bc
#define ADM5120_GPIO2_EW __BIT(6) /* 1: enable wait state pin,
* pin GPIO[0], for GPIO[1]
* or GPIO[3] Chip Select:
* memory controller waits for
* WAIT# inactive (high).
*/
#define ADM5120_GPIO2_CSX1 __BIT(5) /* 1: GPIO[3:4] act as
* Chip Select for
* External I/O 1 (CSX1)
* and External Interrupt 1
* (INTX1), respectively.
* 0: CSX1/INTX1 disabled
*/
#define ADM5120_GPIO2_CSX0 __BIT(4) /* 1: GPIO[1:2] act as
* Chip Select for
* External I/O 0 (CSX0)
* and External Interrupt 0
* (INTX0), respectively.
* 0: CSX0/INTX0 disabled
*/
/* MultiPort Memory Controller (MPMC) */
#define ADM5120_MPMC_CONTROL 0x000
#define ADM5120_MPMC_CONTROL_DWB __BIT(3) /* write 1 to
* drain write
* buffers. write 0
* for normal buffer
* operation.
*/
#define ADM5120_MPMC_CONTROL_LPM __BIT(2) /* 1: activate low-power
* mode. SDRAM is
* still refreshed.
*/
#define ADM5120_MPMC_CONTROL_AM __BIT(1) /* 1: address mirror:
* static memory
* chip select 0
* is mapped to chip
* select 1.
*/
#define ADM5120_MPMC_CONTROL_ME __BIT(0) /* 0: disable MPMC.
* DRAM is not
* refreshed.
* 1: enable MPMC.
*/
#define ADM5120_MPMC_STATUS 0x004
#define ADM5120_MPMC_STATUS_SRA __BIT(2) /* read-only
* MPMC operating mode
* indication,
* 1: self-refresh
* acknowledge
* 0: normal mode
*/
#define ADM5120_MPMC_STATUS_WBS __BIT(1) /* read-only
* write-buffer status,
* 0: buffers empty
* 1: contain data
*/
#define ADM5120_MPMC_STATUS_BU __BIT(0) /* read-only MPMC
* "busy" indication,
* 0: MPMC idle
* 1: MPMC is performing
* memory transactions
*/
#define ADM5120_MPMC_SEW 0x080
#define ADM5120_MPMC_SEW_RSVD __BITS(31, 10)
#define ADM5120_MPMC_SEW_EWTO __BITS(9, 0) /* timeout access after
* 16 * (n + 1) clock cycles
* (XXX which clock?)
*/
#define ADM5120_MPMC_SC(__i) (0x200 + 0x020 * (__i))
#define ADM5120_MPMC_SC_RSVD0 __BITS(31, 21)
#define ADM5120_MPMC_SC_WP __BIT(20) /* 1: write protect */
#define ADM5120_MPMC_SC_BE __BIT(20) /* 1: enable write buffer */
#define ADM5120_MPMC_SC_RSVD1 __BITS(18, 9)
#define ADM5120_MPMC_SC_EW __BIT(8) /* 1: enable extended wait;
*/
#define ADM5120_MPMC_SC_BLS __BIT(7) /* 0: byte line state pins
* are active high on read,
* active low on write.
*
* 1: byte line state pins
* are active low on read and
* on write.
*/
#define ADM5120_MPMC_SC_CCP __BIT(6) /* 0: chip select is active low,
* 1: active high
*/
#define ADM5120_MPMC_SC_RSVD2 __BITS(5, 4)
#define ADM5120_MPMC_SC_PM __BIT(3) /* 0: page mode disabled,
* 1: enable asynchronous
* page mode four
*/
#define ADM5120_MPMC_SC_RSVD3 __BIT(2)
#define ADM5120_MPMC_SC_MW_MASK __BITS(1, 0) /* memory width, bits */
#define ADM5120_MPMC_SC_MW_8B __SHIFTIN(0, ADM5120_MPMC_SC_MW_MASK)
#define ADM5120_MPMC_SC_MW_16B __SHIFTIN(1, ADM5120_MPMC_SC_MW_MASK)
#define ADM5120_MPMC_SC_MW_32B __SHIFTIN(2, ADM5120_MPMC_SC_MW_MASK)
#define ADM5120_MPMC_SC_MW_RSVD __SHIFTIN(3, ADM5120_MPMC_SC_MW_MASK)
#define ADM5120_MPMC_SWW(__i) (0x204 + 0x020 * (__i))
#define ADM5120_MPMC_SWW_RSVD __BITS(31, 4)
#define ADM5120_MPMC_SWW_WWE __BITS(3, 0) /* delay (n + 1) * HCLK cycles
* after asserting chip select
* (CS) before asserting write
* enable (WE)
*/
#define ADM5120_MPMC_SWO(__i) (0x208 + 0x020 * (__i))
#define ADM5120_MPMC_SWO_RSVD __BITS(31, 4)
#define ADM5120_MPMC_SWO_WOE __BITS(3, 0) /* delay n * HCLK cycles
* after asserting chip select
* before asserting output
* enable (OE)
*/
#define ADM5120_MPMC_SWR(__i) (0x20c + 0x020 * (__i))
#define ADM5120_MPMC_SWR_RSVD __BITS(31, 5)
#define ADM5120_MPMC_SWR_NMRW __BITS(4, 0) /* read wait states for
* either first page-mode
* access or for non-page mode
* read, (n + 1) * HCLK cycles
*/
#define ADM5120_MPMC_SWP(__i) (0x210 + 0x020 * (__i))
#define ADM5120_MPMC_SWP_RSVD __BITS(31, 5)
#define ADM5120_MPMC_SWP_WPS __BITS(4, 0) /* read wait states for
* second and subsequent
* page-mode read,
* (n + 1) * HCLK cycles
*/
#define ADM5120_MPMC_SWWR(__i) (0x214 + 0x020 * (__i))
#define ADM5120_MPMC_SWWR_RSVD __BITS(31, 5)
#define ADM5120_MPMC_SWWR_WWS __BITS(4, 0) /* write wait states after
* the first read (??),
* (n + 2) * HCLK cycles
*/
#define ADM5120_MPMC_SWT(__i) (0x218 + 0x020 * (__i))
#define ADM5120_MPMC_SWT_RSVD __BITS(31, 4)
#define ADM5120_MPMC_SWT_WAITTURN __BITS(3, 0) /* bus turnaround time,
* (n + 1) * HCLK cycles
*/
#endif /* _ADM5120REG_H_ */