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/* $OpenBSD: hub.h,v 1.11 2016/01/02 05:49:36 visa Exp $ */
/*
* Copyright (c) 2009 Miodrag Vallat.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* HUB access macros.
*/
#define LWIN_SIZE_BITS 24
#define LWIN_SIZE (1ULL << LWIN_SIZE_BITS)
#define NODE_LWIN_BASE(nasid, widget) \
(IP27_NODE_IO_BASE(nasid) + ((uint64_t)(widget) << LWIN_SIZE_BITS))
#define IP27_LHUB_ADDR(_x) \
((volatile uint64_t *)(NODE_LWIN_BASE(0, 1) + (_x)))
#define IP27_RHUB_ADDR(_n, _x) \
((volatile uint64_t *)(NODE_LWIN_BASE(_n, 1) + 0x800000 + (_x)))
#define IP27_RHUB_PI_ADDR(_n, _sn, _x) \
((volatile uint64_t *)(NODE_LWIN_BASE(_n, 1) + 0x800000 + \
((_sn) ? HUBPI_OFFSET : 0) + (_x)))
#define IP27_LHUB_L(r) *(IP27_LHUB_ADDR(r))
#define IP27_LHUB_S(r, d) *(IP27_LHUB_ADDR(r)) = (d)
#define IP27_RHUB_L(n, r) *(IP27_RHUB_ADDR((n), (r)))
#define IP27_RHUB_S(n, r, d) *(IP27_RHUB_ADDR((n), (r))) = (d)
#define IP27_RHUB_PI_L(n, s, r) *(IP27_RHUB_PI_ADDR((n), (s), (r)))
#define IP27_RHUB_PI_S(n, s, r, d) *(IP27_RHUB_PI_ADDR((n), (s), (r))) = (d)
#define NODE_HSPEC_BASE(nasid) \
(IP27_NODE_HSPEC_BASE(nasid))
#define IP27_LHSPEC_ADDR(_x) \
((volatile uint64_t *)(NODE_HSPEC_BASE(0) + (_x)))
#define IP27_RHSPEC_ADDR(_n, _x) \
((volatile uint64_t *)(NODE_HSPEC_BASE(_n) + 0x20000000 + (_x)))
#define IP27_LHSPEC_L(r) *(IP27_LHSPEC_ADDR(r))
#define IP27_LHSPEC_S(r, d) *(IP27_LHSPEC_ADDR(r)) = (d)
#define IP27_RHSPEC_L(n, r) *(IP27_RHSPEC_ADDR((n), (r)))
#define IP27_RHSPEC_S(n, r, d) *(IP27_RHSPEC_ADDR((n), (r))) = (d)
/*
* HUB SPECIAL space (very incomplete)
*/
#define LBOOTBASE_IP27 0x10000000
#define LBOOTSIZE_IP27 0x10000000
#define LREGBASE_IP35 0x10000000
#define LREGSIZE_IP35 0x08000000
#define LBOOTBASE_IP35 0x18000000
#define LBOOTSIZE_IP35 0x08000000
#define HSPEC_L1_UARTBASE 0x00000080
#define HSPEC_SYNERGY0 0x04000000 /* synergy #0 base */
#define HSPEC_SYNERGY1 0x05000000 /* synergy #1 base */
#define HSPEC_L1_UART(r) \
(LREGBASE_IP35 + HSPEC_L1_UARTBASE + ((r) << 3))
#define HSPEC_SYNERGY(s,r) \
(LREGBASE_IP35 + ((s) ? HSPEC_SYNERGY1 : HSPEC_SYNERGY0) + ((r) << 3))
/*
* HUB IO space (very incomplete)
*/
/*
* HUB PI - Processor Interface
*/
#define HUBPIBASE 0x00000000
#define HUBPI_REGION_PRESENT 0x00000018
#define HUBPI_CPU_NUMBER 0x00000020
#define HUBPI_CALIAS_SIZE 0x00000028
#define PI_CALIAS_SIZE_0 0
#define HUBPI_CPU0_PRESENT 0x00000040
#define HUBPI_CPU1_PRESENT 0x00000048
#define HUBPI_CPU0_ENABLED 0x00000050
#define HUBPI_CPU1_ENABLED 0x00000058
#define HUBPI_IR_CHANGE 0x00000090
#define PI_IR_SET 0x100
#define PI_IR_CLR 0x000
#define HUBPI_IR0 0x00000098
#define HUBPI_IR1 0x000000a0
#define HUBPI_CPU0_IMR0 0x000000a8
#define HUBPI_CPU0_IMR1 0x000000b0
#define HUBPI_CPU1_IMR0 0x000000b8
#define HUBPI_CPU1_IMR1 0x000000c0
#define HUBPI_RT_COUNT 0x00030100
/*
* Offset to use to access the second PI over the remote hub interface
* on IP35.
*/
#define HUBPI_OFFSET 0x00200000
/*
* ISR bit assignments.
*/
/** Level 1 interrupt */
/* ?? MSC panic */
#define HUBPI_ISR1_MSC_ERROR 63
/* NI interface error */
#define HUBPI_ISR1_NI_ERROR 62
/* MD correctable error */
#define HUBPI_ISR1_MD_COR_ERROR 61
/* cpu correctable error B */
#define HUBPI_ISR1_COR_ERROR_B 60
/* cpu correctable error A */
#define HUBPI_ISR1_COR_ERROR_A 59
/* clock error */
#define HUBPI_ISR1_CLOCK_ERROR 58
/* IP35 NACK interrupts */
#define HUBPI_ISR1_NACK_B 57
#define HUBPI_ISR1_NACK_A 56
/* IP35 LB error */
#define HUBPI_ISR1_LB 55
/* IP35 XB error */
#define HUBPI_ISR1_XB 54
/* 53-45 used by PROM */
/* 44-43 available */
/* 42-41 LLP errors */
/* NI broadcast errors */
#define HUBPI_ISR1_NI_ERROR_B 40
#define HUBPI_ISR1_NI_ERROR_A 39
/* 38-36 used by IP35 PROM */
/* 35-0 available */
/** Level 0 interrupt */
/* 63-11 available */
/* IPI interrupts */
#define HUBPI_ISR0_IPI_D 10
#define HUBPI_ISR0_IPI_C 9
#define HUBPI_ISR0_IPI_B 8
#define HUBPI_ISR0_IPI_A 7
/* ? */
#define HUBPI_CC_PEND_B 6
#define HUBPI_CC_PEND_A 5
/* ? */
#define HUBPI_ISR0_UART 4
/* page migration interrupt */
#define HUBPI_ISR0_PAGE_MIGRATION 3
/* graphics->cpu interrupts */
#define HUBPI_ISR0_GFX_B 2
#define HUBPI_ISR0_GFX_A 1
/* 0 reserved */
#define HUBPI_INTR1_WIDGET_MAX 35
#define HUBPI_INTR1_WIDGET_MIN 0
#define HUBPI_INTR0_WIDGET_MAX 63
#define HUBPI_INTR0_WIDGET_MIN 11
#define HUBPI_NINTS 64 /* per register */
/*
* HUB MD - Memory/Directory
*/
#define HUBMDBASE_IP27 0x00200000
#define HUBMDBASE_IP35 0x00780000
#define HUBMD_LED0 0x00020050
/*
* HUB IO - Widget I/O
*/
#define HUBIOBASE 0x00400000
#define HUBIO_IOTTE(x) (0x00000160 + (x) * 8)
#define IOTTE_MAX 7
#define IOTTE_SWIN0 (IOTTE_MAX - 1)
#define IOTTE(space,widget,offset) \
(((space) << 12) | ((widget) << 8) | (offset))
#define IOTTE_SPACE_DEVICE 1
#define IOTTE_SPACE_MEMORY 0
#define IOTTE_SPACE(iotte) (((iotte) >> 12) & 0x01)
#define IOTTE_WIDGET(iotte) (((iotte) >> 8) & 0x0f)
#define IOTTE_OFFSET(iotte) ((iotte) & 0xff)
/*
* HUB LB - Local Bedrock
*/
#define HUBLBBASE_IP35 0x00600000
/*
* HUB NI - Network Interface
*/
#define HUBNIBASE_IP27 0x00600000
#define HUBNIBASE_IP35 0x00680000
#define HUBNI_STATUS 0x00000000
#define NI_MORENODES 0x0000000000040000
#define HUBNI_RESET 0x00000008
#define NI_RESET_ACTION_IP27 0x02
#define NI_RESET_PORT_IP27 0x80
#define NI_RESET_LOCAL_IP27 0x01
#define NI_RESET_ACTION_IP35 0x01
#define NI_RESET_PORT_IP35 0x02
#define NI_RESET_LOCAL_IP35 0x04
#define HUBNI_RESET_ENABLE 0x00000010
#define NI_RESET_ENABLE 0x01
/*
* HUB XB - Crossbar interface
*/
#define HUBXBBASE_IP35 0x00700000
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