platform.h

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/*
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
/**************************************************************************
 * * Copyright © ARM Limited 1998.  All rights reserved.
 * ***********************************************************************/
/* ************************************************************************
 *
 *   Integrator address map
 *
 * ***********************************************************************/

#ifndef __address_h
#define __address_h                     1

/* ========================================================================
 *  Integrator definitions
 * ========================================================================
 * ------------------------------------------------------------------------
 *  Memory definitions
 * ------------------------------------------------------------------------
 *  Integrator memory map
 *
 */
#define INTEGRATOR_BOOT_ROM_LO          0x00000000
#define INTEGRATOR_BOOT_ROM_HI          0x20000000
#define INTEGRATOR_BOOT_ROM_BASE        INTEGRATOR_BOOT_ROM_HI   /*  Normal position */
#define INTEGRATOR_BOOT_ROM_SIZE        SZ_512K

/*
 *  New Core Modules have different amounts of SSRAM, the amount of SSRAM
 *  fitted can be found in HDR_STAT.
 *
 *  The symbol INTEGRATOR_SSRAM_SIZE is kept, however this now refers to
 *  the minimum amount of SSRAM fitted on any core module.
 *
 *  New Core Modules also alias the SSRAM.
 *
 */
#define INTEGRATOR_SSRAM_BASE           0x00000000
#define INTEGRATOR_SSRAM_ALIAS_BASE     0x10800000
#define INTEGRATOR_SSRAM_SIZE           SZ_256K

#define INTEGRATOR_FLASH_BASE           0x24000000
#define INTEGRATOR_FLASH_SIZE           SZ_32M

#define INTEGRATOR_MBRD_SSRAM_BASE      0x28000000
#define INTEGRATOR_MBRD_SSRAM_SIZE      SZ_512K

/*
 *  SDRAM is a SIMM therefore the size is not known.
 *
 */
#define INTEGRATOR_SDRAM_BASE           0x00040000

#define INTEGRATOR_SDRAM_ALIAS_BASE     0x80000000
#define INTEGRATOR_HDR0_SDRAM_BASE      0x80000000
#define INTEGRATOR_HDR1_SDRAM_BASE      0x90000000
#define INTEGRATOR_HDR2_SDRAM_BASE      0xA0000000
#define INTEGRATOR_HDR3_SDRAM_BASE      0xB0000000

/*
 *  Logic expansion modules
 *
 */
#define INTEGRATOR_LOGIC_MODULES_BASE   0xC0000000
#define INTEGRATOR_LOGIC_MODULE0_BASE   0xC0000000
#define INTEGRATOR_LOGIC_MODULE1_BASE   0xD0000000
#define INTEGRATOR_LOGIC_MODULE2_BASE   0xE0000000
#define INTEGRATOR_LOGIC_MODULE3_BASE   0xF0000000

/* ------------------------------------------------------------------------
 *  Integrator header card registers
 * ------------------------------------------------------------------------
 *
 */
#define INTEGRATOR_HDR_ID_OFFSET        0x00
#define INTEGRATOR_HDR_PROC_OFFSET      0x04
#define INTEGRATOR_HDR_OSC_OFFSET       0x08
#define INTEGRATOR_HDR_CTRL_OFFSET      0x0C
#define INTEGRATOR_HDR_STAT_OFFSET      0x10
#define INTEGRATOR_HDR_LOCK_OFFSET      0x14
#define INTEGRATOR_HDR_SDRAM_OFFSET     0x20
#define INTEGRATOR_HDR_INIT_OFFSET      0x24     /*  CM9x6 */
#define INTEGRATOR_HDR_IC_OFFSET        0x40
#define INTEGRATOR_HDR_SPDBASE_OFFSET   0x100
#define INTEGRATOR_HDR_SPDTOP_OFFSET    0x200

#define INTEGRATOR_HDR_BASE             0x10000000
#define INTEGRATOR_HDR_ID               (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_ID_OFFSET)
#define INTEGRATOR_HDR_PROC             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_PROC_OFFSET)
#define INTEGRATOR_HDR_OSC              (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_OSC_OFFSET)
#define INTEGRATOR_HDR_CTRL             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_CTRL_OFFSET)
#define INTEGRATOR_HDR_STAT             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_STAT_OFFSET)
#define INTEGRATOR_HDR_LOCK             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_LOCK_OFFSET)
#define INTEGRATOR_HDR_SDRAM            (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_SDRAM_OFFSET)
#define INTEGRATOR_HDR_INIT             (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_INIT_OFFSET)
#define INTEGRATOR_HDR_IC               (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_IC_OFFSET)
#define INTEGRATOR_HDR_SPDBASE          (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_SPDBASE_OFFSET)
#define INTEGRATOR_HDR_SPDTOP           (INTEGRATOR_HDR_BASE + INTEGRATOR_HDR_SPDTOP_OFFSET)

#define INTEGRATOR_HDR_CTRL_LED         0x01
#define INTEGRATOR_HDR_CTRL_MBRD_DETECH 0x02
#define INTEGRATOR_HDR_CTRL_REMAP       0x04
#define INTEGRATOR_HDR_CTRL_RESET       0x08
#define INTEGRATOR_HDR_CTRL_HIGHVECTORS 0x10
#define INTEGRATOR_HDR_CTRL_BIG_ENDIAN  0x20
#define INTEGRATOR_HDR_CTRL_FASTBUS     0x40
#define INTEGRATOR_HDR_CTRL_SYNC        0x80

#define INTEGRATOR_HDR_OSC_CORE_10MHz   0x102
#define INTEGRATOR_HDR_OSC_CORE_15MHz   0x107
#define INTEGRATOR_HDR_OSC_CORE_20MHz   0x10C
#define INTEGRATOR_HDR_OSC_CORE_25MHz   0x111
#define INTEGRATOR_HDR_OSC_CORE_30MHz   0x116
#define INTEGRATOR_HDR_OSC_CORE_35MHz   0x11B
#define INTEGRATOR_HDR_OSC_CORE_40MHz   0x120
#define INTEGRATOR_HDR_OSC_CORE_45MHz   0x125
#define INTEGRATOR_HDR_OSC_CORE_50MHz   0x12A
#define INTEGRATOR_HDR_OSC_CORE_55MHz   0x12F
#define INTEGRATOR_HDR_OSC_CORE_60MHz   0x134
#define INTEGRATOR_HDR_OSC_CORE_65MHz   0x139
#define INTEGRATOR_HDR_OSC_CORE_70MHz   0x13E
#define INTEGRATOR_HDR_OSC_CORE_75MHz   0x143
#define INTEGRATOR_HDR_OSC_CORE_80MHz   0x148
#define INTEGRATOR_HDR_OSC_CORE_85MHz   0x14D
#define INTEGRATOR_HDR_OSC_CORE_90MHz   0x152
#define INTEGRATOR_HDR_OSC_CORE_95MHz   0x157
#define INTEGRATOR_HDR_OSC_CORE_100MHz  0x15C
#define INTEGRATOR_HDR_OSC_CORE_105MHz  0x161
#define INTEGRATOR_HDR_OSC_CORE_110MHz  0x166
#define INTEGRATOR_HDR_OSC_CORE_115MHz  0x16B
#define INTEGRATOR_HDR_OSC_CORE_120MHz  0x170
#define INTEGRATOR_HDR_OSC_CORE_125MHz  0x175
#define INTEGRATOR_HDR_OSC_CORE_130MHz  0x17A
#define INTEGRATOR_HDR_OSC_CORE_135MHz  0x17F
#define INTEGRATOR_HDR_OSC_CORE_140MHz  0x184
#define INTEGRATOR_HDR_OSC_CORE_145MHz  0x189
#define INTEGRATOR_HDR_OSC_CORE_150MHz  0x18E
#define INTEGRATOR_HDR_OSC_CORE_155MHz  0x193
#define INTEGRATOR_HDR_OSC_CORE_160MHz  0x198
#define INTEGRATOR_HDR_OSC_CORE_MASK    0x7FF

#define INTEGRATOR_HDR_OSC_MEM_10MHz    0x10C000
#define INTEGRATOR_HDR_OSC_MEM_15MHz    0x116000
#define INTEGRATOR_HDR_OSC_MEM_20MHz    0x120000
#define INTEGRATOR_HDR_OSC_MEM_25MHz    0x12A000
#define INTEGRATOR_HDR_OSC_MEM_30MHz    0x134000
#define INTEGRATOR_HDR_OSC_MEM_33MHz    0x13A000
#define INTEGRATOR_HDR_OSC_MEM_40MHz    0x148000
#define INTEGRATOR_HDR_OSC_MEM_50MHz    0x15C000
#define INTEGRATOR_HDR_OSC_MEM_60MHz    0x170000
#define INTEGRATOR_HDR_OSC_MEM_66MHz    0x17C000
#define INTEGRATOR_HDR_OSC_MEM_MASK     0x7FF000

#define INTEGRATOR_HDR_OSC_BUS_MODE_CM7x0  0x0
#define INTEGRATOR_HDR_OSC_BUS_MODE_CM9x0  0x0800000
#define INTEGRATOR_HDR_OSC_BUS_MODE_CM9x6  0x1000000
#define INTEGRATOR_HDR_OSC_BUS_MODE_CM10x00  0x1800000
#define INTEGRATOR_HDR_OSC_BUS_MODE_MASK  0x1800000

#define INTEGRATOR_HDR_SDRAM_SPD_OK     (1 << 5)


/* ------------------------------------------------------------------------
 *  Integrator system registers
 * ------------------------------------------------------------------------
 *
 */

/*
 *  System Controller
 *
 */
#define INTEGRATOR_SC_ID_OFFSET         0x00
#define INTEGRATOR_SC_OSC_OFFSET        0x04
#define INTEGRATOR_SC_CTRLS_OFFSET      0x08
#define INTEGRATOR_SC_CTRLC_OFFSET      0x0C
#define INTEGRATOR_SC_DEC_OFFSET        0x10
#define INTEGRATOR_SC_ARB_OFFSET        0x14
#define INTEGRATOR_SC_PCIENABLE_OFFSET  0x18
#define INTEGRATOR_SC_LOCK_OFFSET       0x1C

#define INTEGRATOR_SC_BASE              0x11000000
#define INTEGRATOR_SC_ID                (INTEGRATOR_SC_BASE + INTEGRATOR_SC_ID_OFFSET)
#define INTEGRATOR_SC_OSC               (INTEGRATOR_SC_BASE + INTEGRATOR_SC_OSC_OFFSET)
#define INTEGRATOR_SC_CTRLS             (INTEGRATOR_SC_BASE + INTEGRATOR_SC_CTRLS_OFFSET)
#define INTEGRATOR_SC_CTRLC             (INTEGRATOR_SC_BASE + INTEGRATOR_SC_CTRLC_OFFSET)
#define INTEGRATOR_SC_DEC               (INTEGRATOR_SC_BASE + INTEGRATOR_SC_DEC_OFFSET)
#define INTEGRATOR_SC_ARB               (INTEGRATOR_SC_BASE + INTEGRATOR_SC_ARB_OFFSET)
#define INTEGRATOR_SC_PCIENABLE         (INTEGRATOR_SC_BASE + INTEGRATOR_SC_PCIENABLE_OFFSET)
#define INTEGRATOR_SC_LOCK              (INTEGRATOR_SC_BASE + INTEGRATOR_SC_LOCK_OFFSET)

#define INTEGRATOR_SC_OSC_SYS_10MHz     0x20
#define INTEGRATOR_SC_OSC_SYS_15MHz     0x34
#define INTEGRATOR_SC_OSC_SYS_20MHz     0x48
#define INTEGRATOR_SC_OSC_SYS_25MHz     0x5C
#define INTEGRATOR_SC_OSC_SYS_33MHz     0x7C
#define INTEGRATOR_SC_OSC_SYS_MASK      0xFF

#define INTEGRATOR_SC_OSC_PCI_25MHz     0x100
#define INTEGRATOR_SC_OSC_PCI_33MHz     0x0
#define INTEGRATOR_SC_OSC_PCI_MASK      0x100

#define INTEGRATOR_SC_CTRL_SOFTRST      (1 << 0)
#define INTEGRATOR_SC_CTRL_nFLVPPEN     (1 << 1)
#define INTEGRATOR_SC_CTRL_nFLWP        (1 << 2)
#define INTEGRATOR_SC_CTRL_URTS0        (1 << 4)
#define INTEGRATOR_SC_CTRL_UDTR0        (1 << 5)
#define INTEGRATOR_SC_CTRL_URTS1        (1 << 6)
#define INTEGRATOR_SC_CTRL_UDTR1        (1 << 7)

/*
 *  External Bus Interface
 *
 */
#define INTEGRATOR_EBI_BASE             0x12000000

#define INTEGRATOR_EBI_CSR0_OFFSET      0x00
#define INTEGRATOR_EBI_CSR1_OFFSET      0x04
#define INTEGRATOR_EBI_CSR2_OFFSET      0x08
#define INTEGRATOR_EBI_CSR3_OFFSET      0x0C
#define INTEGRATOR_EBI_LOCK_OFFSET      0x20

#define INTEGRATOR_EBI_CSR0             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_CSR0_OFFSET)
#define INTEGRATOR_EBI_CSR1             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_CSR1_OFFSET)
#define INTEGRATOR_EBI_CSR2             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_CSR2_OFFSET)
#define INTEGRATOR_EBI_CSR3             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_CSR3_OFFSET)
#define INTEGRATOR_EBI_LOCK             (INTEGRATOR_EBI_BASE + INTEGRATOR_EBI_LOCK_OFFSET)

#define INTEGRATOR_EBI_8_BIT            0x00
#define INTEGRATOR_EBI_16_BIT           0x01
#define INTEGRATOR_EBI_32_BIT           0x02
#define INTEGRATOR_EBI_WRITE_ENABLE     0x04
#define INTEGRATOR_EBI_SYNC             0x08
#define INTEGRATOR_EBI_WS_2             0x00
#define INTEGRATOR_EBI_WS_3             0x10
#define INTEGRATOR_EBI_WS_4             0x20
#define INTEGRATOR_EBI_WS_5             0x30
#define INTEGRATOR_EBI_WS_6             0x40
#define INTEGRATOR_EBI_WS_7             0x50
#define INTEGRATOR_EBI_WS_8             0x60
#define INTEGRATOR_EBI_WS_9             0x70
#define INTEGRATOR_EBI_WS_10            0x80
#define INTEGRATOR_EBI_WS_11            0x90
#define INTEGRATOR_EBI_WS_12            0xA0
#define INTEGRATOR_EBI_WS_13            0xB0
#define INTEGRATOR_EBI_WS_14            0xC0
#define INTEGRATOR_EBI_WS_15            0xD0
#define INTEGRATOR_EBI_WS_16            0xE0
#define INTEGRATOR_EBI_WS_17            0xF0


#define INTEGRATOR_CT_BASE              0x13000000   /*  Counter/Timers */
#define INTEGRATOR_IC_BASE              0x14000000   /*  Interrupt Controller */
#define INTEGRATOR_RTC_BASE             0x15000000   /*  Real Time Clock */
#define INTEGRATOR_UART0_BASE           0x16000000   /*  UART 0 */
#define INTEGRATOR_UART1_BASE           0x17000000   /*  UART 1 */
#define INTEGRATOR_KBD_BASE             0x18000000   /*  Keyboard */
#define INTEGRATOR_MOUSE_BASE           0x19000000   /*  Mouse */

/*
 *  LED's & Switches
 *
 */
#define INTEGRATOR_DBG_ALPHA_OFFSET     0x00
#define INTEGRATOR_DBG_LEDS_OFFSET      0x04
#define INTEGRATOR_DBG_SWITCH_OFFSET    0x08

#define INTEGRATOR_DBG_BASE             0x1A000000
#define INTEGRATOR_DBG_ALPHA            (INTEGRATOR_DBG_BASE + INTEGRATOR_DBG_ALPHA_OFFSET)
#define INTEGRATOR_DBG_LEDS             (INTEGRATOR_DBG_BASE + INTEGRATOR_DBG_LEDS_OFFSET)
#define INTEGRATOR_DBG_SWITCH           (INTEGRATOR_DBG_BASE + INTEGRATOR_DBG_SWITCH_OFFSET)

#define INTEGRATOR_AP_GPIO_BASE     0x1B000000  /* GPIO */

#define INTEGRATOR_CP_MMC_BASE      0x1C000000  /* MMC */
#define INTEGRATOR_CP_AACI_BASE     0x1D000000  /* AACI */
#define INTEGRATOR_CP_ETH_BASE      0xC8000000  /* Ethernet */
#define INTEGRATOR_CP_GPIO_BASE     0xC9000000  /* GPIO */
#define INTEGRATOR_CP_SIC_BASE      0xCA000000  /* SIC */
#define INTEGRATOR_CP_CTL_BASE      0xCB000000  /* CP system control */

/* ------------------------------------------------------------------------
 *  KMI keyboard/mouse definitions
 * ------------------------------------------------------------------------
 */
/* PS2 Keyboard interface */
#define KMI0_BASE                       INTEGRATOR_KBD_BASE

/* PS2 Mouse interface */
#define KMI1_BASE                       INTEGRATOR_MOUSE_BASE

/* KMI definitions are now in include/asm-arm/hardware/amba_kmi.h -- rmk */

/* ------------------------------------------------------------------------
 *  Where in the memory map does PCI live?
 * ------------------------------------------------------------------------
 *  This represents a fairly liberal usage of address space.  Even though
 *  the V3 only has two windows (therefore we need to map stuff on the fly),
 *  we maintain the same addresses, even if they're not mapped.
 *
 */
#define PHYS_PCI_MEM_BASE               0x40000000   /* 512M to xxx */
/*  unused 256M from A0000000-AFFFFFFF might be used for I2O ???
 */
#define PHYS_PCI_IO_BASE                0x60000000   /* 16M to xxx */
/*  unused (128-16)M from B1000000-B7FFFFFF
 */
#define PHYS_PCI_CONFIG_BASE            0x61000000   /* 16M to xxx */
/*  unused ((128-16)M - 64K) from XXX
 */
#define PHYS_PCI_V3_BASE                0x62000000

#define PCI_MEMORY_VADDR        IOMEM(0xe8000000)
#define PCI_CONFIG_VADDR        IOMEM(0xec000000)
#define PCI_V3_VADDR            IOMEM(0xed000000)

/* ------------------------------------------------------------------------
 *  Integrator Interrupt Controllers
 * ------------------------------------------------------------------------
 *
 *  Offsets from interrupt controller base
 *
 *  System Controller interrupt controller base is
 *
 *  INTEGRATOR_IC_BASE + (header_number << 6)
 *
 *  Core Module interrupt controller base is
 *
 *  INTEGRATOR_HDR_IC
 *
 */
#define IRQ_STATUS                      0
#define IRQ_RAW_STATUS                  0x04
#define IRQ_ENABLE                      0x08
#define IRQ_ENABLE_SET                  0x08
#define IRQ_ENABLE_CLEAR                0x0C

#define INT_SOFT_SET                    0x10
#define INT_SOFT_CLEAR                  0x14

#define FIQ_STATUS                      0x20
#define FIQ_RAW_STATUS                  0x24
#define FIQ_ENABLE                      0x28
#define FIQ_ENABLE_SET                  0x28
#define FIQ_ENABLE_CLEAR                0x2C


/* ------------------------------------------------------------------------
 *  Interrupts
 * ------------------------------------------------------------------------
 *
 *
 *  Each Core Module has two interrupts controllers, one on the core module
 *  itself and one in the system controller on the motherboard.  The
 *  READ_INT macro in target.s reads both interrupt controllers and returns
 *  a 32 bit bitmask, bits 0 to 23 are interrupts from the system controller
 *  and bits 24 to 31 are from the core module.
 *
 *  The following definitions relate to the bitmask returned by READ_INT.
 *
 */

/* ------------------------------------------------------------------------
 *  LED's
 * ------------------------------------------------------------------------
 *
 */
#define GREEN_LED                       0x01
#define YELLOW_LED                      0x02
#define RED_LED                         0x04
#define GREEN_LED_2                     0x08
#define ALL_LEDS                        0x0F

#define LED_BANK                        INTEGRATOR_DBG_LEDS

/*
 *  Timer definitions
 *
 *  Only use timer 1 & 2
 *  (both run at 24MHz and will need the clock divider set to 16).
 *
 *  Timer 0 runs at bus frequency
 */

#define INTEGRATOR_TIMER0_BASE          INTEGRATOR_CT_BASE
#define INTEGRATOR_TIMER1_BASE          (INTEGRATOR_CT_BASE + 0x100)
#define INTEGRATOR_TIMER2_BASE          (INTEGRATOR_CT_BASE + 0x200)

#define INTEGRATOR_CSR_BASE             0x10000000
#define INTEGRATOR_CSR_SIZE             0x10000000

#endif