platform.h

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/*
 * arch/arm/mach-versatile/include/mach/platform.h
 *
 * Copyright (c) ARM Limited 2003.  All rights reserved.
 *
 * 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
 */

#ifndef __address_h
#define __address_h                     1

/*
 * Memory definitions
 */
#define VERSATILE_BOOT_ROM_LO          0x30000000       /* DoC Base (64Mb)...*/
#define VERSATILE_BOOT_ROM_HI          0x30000000
#define VERSATILE_BOOT_ROM_BASE        VERSATILE_BOOT_ROM_HI     /*  Normal position */
#define VERSATILE_BOOT_ROM_SIZE        SZ_64M

#define VERSATILE_SSRAM_BASE           /* VERSATILE_SSMC_BASE ? */
#define VERSATILE_SSRAM_SIZE           SZ_2M

#define VERSATILE_FLASH_BASE           0x34000000
#define VERSATILE_FLASH_SIZE           SZ_64M

/* 
 *  SDRAM
 */
#define VERSATILE_SDRAM_BASE           0x00000000

/* 
 *  Logic expansion modules
 * 
 */


/* ------------------------------------------------------------------------
 *  Versatile Registers
 * ------------------------------------------------------------------------
 * 
 */
#define VERSATILE_SYS_ID_OFFSET               0x00
#define VERSATILE_SYS_SW_OFFSET               0x04
#define VERSATILE_SYS_LED_OFFSET              0x08
#define VERSATILE_SYS_OSC0_OFFSET             0x0C

#if defined(CONFIG_ARCH_VERSATILE_PB)
#define VERSATILE_SYS_OSC1_OFFSET             0x10
#define VERSATILE_SYS_OSC2_OFFSET             0x14
#define VERSATILE_SYS_OSC3_OFFSET             0x18
#define VERSATILE_SYS_OSC4_OFFSET             0x1C
#elif defined(CONFIG_MACH_VERSATILE_AB)
#define VERSATILE_SYS_OSC1_OFFSET             0x1C
#endif

#define VERSATILE_SYS_OSCCLCD_OFFSET          0x1c

#define VERSATILE_SYS_LOCK_OFFSET             0x20
#define VERSATILE_SYS_100HZ_OFFSET            0x24
#define VERSATILE_SYS_CFGDATA1_OFFSET         0x28
#define VERSATILE_SYS_CFGDATA2_OFFSET         0x2C
#define VERSATILE_SYS_FLAGS_OFFSET            0x30
#define VERSATILE_SYS_FLAGSSET_OFFSET         0x30
#define VERSATILE_SYS_FLAGSCLR_OFFSET         0x34
#define VERSATILE_SYS_NVFLAGS_OFFSET          0x38
#define VERSATILE_SYS_NVFLAGSSET_OFFSET       0x38
#define VERSATILE_SYS_NVFLAGSCLR_OFFSET       0x3C
#define VERSATILE_SYS_RESETCTL_OFFSET         0x40
#define VERSATILE_SYS_PCICTL_OFFSET           0x44
#define VERSATILE_SYS_MCI_OFFSET              0x48
#define VERSATILE_SYS_FLASH_OFFSET            0x4C
#define VERSATILE_SYS_CLCD_OFFSET             0x50
#define VERSATILE_SYS_CLCDSER_OFFSET          0x54
#define VERSATILE_SYS_BOOTCS_OFFSET           0x58
#define VERSATILE_SYS_24MHz_OFFSET            0x5C
#define VERSATILE_SYS_MISC_OFFSET             0x60
#define VERSATILE_SYS_TEST_OSC0_OFFSET        0x80
#define VERSATILE_SYS_TEST_OSC1_OFFSET        0x84
#define VERSATILE_SYS_TEST_OSC2_OFFSET        0x88
#define VERSATILE_SYS_TEST_OSC3_OFFSET        0x8C
#define VERSATILE_SYS_TEST_OSC4_OFFSET        0x90

#define VERSATILE_SYS_BASE                    0x10000000
#define VERSATILE_SYS_ID                      (VERSATILE_SYS_BASE + VERSATILE_SYS_ID_OFFSET)
#define VERSATILE_SYS_SW                      (VERSATILE_SYS_BASE + VERSATILE_SYS_SW_OFFSET)
#define VERSATILE_SYS_LED                     (VERSATILE_SYS_BASE + VERSATILE_SYS_LED_OFFSET)
#define VERSATILE_SYS_OSC0                    (VERSATILE_SYS_BASE + VERSATILE_SYS_OSC0_OFFSET)
#define VERSATILE_SYS_OSC1                    (VERSATILE_SYS_BASE + VERSATILE_SYS_OSC1_OFFSET)

#if defined(CONFIG_ARCH_VERSATILE_PB)
#define VERSATILE_SYS_OSC2                    (VERSATILE_SYS_BASE + VERSATILE_SYS_OSC2_OFFSET)
#define VERSATILE_SYS_OSC3                    (VERSATILE_SYS_BASE + VERSATILE_SYS_OSC3_OFFSET)
#define VERSATILE_SYS_OSC4                    (VERSATILE_SYS_BASE + VERSATILE_SYS_OSC4_OFFSET)
#endif

#define VERSATILE_SYS_LOCK                    (VERSATILE_SYS_BASE + VERSATILE_SYS_LOCK_OFFSET)
#define VERSATILE_SYS_100HZ                   (VERSATILE_SYS_BASE + VERSATILE_SYS_100HZ_OFFSET)
#define VERSATILE_SYS_CFGDATA1                (VERSATILE_SYS_BASE + VERSATILE_SYS_CFGDATA1_OFFSET)
#define VERSATILE_SYS_CFGDATA2                (VERSATILE_SYS_BASE + VERSATILE_SYS_CFGDATA2_OFFSET)
#define VERSATILE_SYS_FLAGS                   (VERSATILE_SYS_BASE + VERSATILE_SYS_FLAGS_OFFSET)
#define VERSATILE_SYS_FLAGSSET                (VERSATILE_SYS_BASE + VERSATILE_SYS_FLAGSSET_OFFSET)
#define VERSATILE_SYS_FLAGSCLR                (VERSATILE_SYS_BASE + VERSATILE_SYS_FLAGSCLR_OFFSET)
#define VERSATILE_SYS_NVFLAGS                 (VERSATILE_SYS_BASE + VERSATILE_SYS_NVFLAGS_OFFSET)
#define VERSATILE_SYS_NVFLAGSSET              (VERSATILE_SYS_BASE + VERSATILE_SYS_NVFLAGSSET_OFFSET)
#define VERSATILE_SYS_NVFLAGSCLR              (VERSATILE_SYS_BASE + VERSATILE_SYS_NVFLAGSCLR_OFFSET)
#define VERSATILE_SYS_RESETCTL                (VERSATILE_SYS_BASE + VERSATILE_SYS_RESETCTL_OFFSET)
#define VERSATILE_SYS_PCICTL                  (VERSATILE_SYS_BASE + VERSATILE_SYS_PCICTL_OFFSET)
#define VERSATILE_SYS_MCI                     (VERSATILE_SYS_BASE + VERSATILE_SYS_MCI_OFFSET)
#define VERSATILE_SYS_FLASH                   (VERSATILE_SYS_BASE + VERSATILE_SYS_FLASH_OFFSET)
#define VERSATILE_SYS_CLCD                    (VERSATILE_SYS_BASE + VERSATILE_SYS_CLCD_OFFSET)
#define VERSATILE_SYS_CLCDSER                 (VERSATILE_SYS_BASE + VERSATILE_SYS_CLCDSER_OFFSET)
#define VERSATILE_SYS_BOOTCS                  (VERSATILE_SYS_BASE + VERSATILE_SYS_BOOTCS_OFFSET)
#define VERSATILE_SYS_24MHz                   (VERSATILE_SYS_BASE + VERSATILE_SYS_24MHz_OFFSET)
#define VERSATILE_SYS_MISC                    (VERSATILE_SYS_BASE + VERSATILE_SYS_MISC_OFFSET)
#define VERSATILE_SYS_TEST_OSC0               (VERSATILE_SYS_BASE + VERSATILE_SYS_TEST_OSC0_OFFSET)
#define VERSATILE_SYS_TEST_OSC1               (VERSATILE_SYS_BASE + VERSATILE_SYS_TEST_OSC1_OFFSET)
#define VERSATILE_SYS_TEST_OSC2               (VERSATILE_SYS_BASE + VERSATILE_SYS_TEST_OSC2_OFFSET)
#define VERSATILE_SYS_TEST_OSC3               (VERSATILE_SYS_BASE + VERSATILE_SYS_TEST_OSC3_OFFSET)
#define VERSATILE_SYS_TEST_OSC4               (VERSATILE_SYS_BASE + VERSATILE_SYS_TEST_OSC4_OFFSET)

/* 
 * Values for VERSATILE_SYS_RESET_CTRL
 */
#define VERSATILE_SYS_CTRL_RESET_CONFIGCLR    0x01
#define VERSATILE_SYS_CTRL_RESET_CONFIGINIT   0x02
#define VERSATILE_SYS_CTRL_RESET_DLLRESET     0x03
#define VERSATILE_SYS_CTRL_RESET_PLLRESET     0x04
#define VERSATILE_SYS_CTRL_RESET_POR          0x05
#define VERSATILE_SYS_CTRL_RESET_DoC          0x06

#define VERSATILE_SYS_CTRL_LED         (1 << 0)


/* ------------------------------------------------------------------------
 *  Versatile control registers
 * ------------------------------------------------------------------------
 */

/* 
 * VERSATILE_IDFIELD
 *
 * 31:24 = manufacturer (0x41 = ARM)
 * 23:16 = architecture (0x08 = AHB system bus, ASB processor bus)
 * 15:12 = FPGA (0x3 = XVC600 or XVC600E)
 * 11:4  = build value
 * 3:0   = revision number (0x1 = rev B (AHB))
 */

/*
 * VERSATILE_SYS_LOCK
 *     control access to SYS_OSCx, SYS_CFGDATAx, SYS_RESETCTL, 
 *     SYS_CLD, SYS_BOOTCS
 */
#define VERSATILE_SYS_LOCK_LOCKED    (1 << 16)
#define VERSATILE_SYS_LOCKVAL_MASK  0xFFFF      /* write 0xA05F to enable write access */

/*
 * VERSATILE_SYS_FLASH
 */
#define VERSATILE_FLASHPROG_FLVPPEN (1 << 0)    /* Enable writing to flash */

/*
 * VERSATILE_INTREG
 *     - used to acknowledge and control MMCI and UART interrupts 
 */
#define VERSATILE_INTREG_WPROT        0x00    /* MMC protection status (no interrupt generated) */
#define VERSATILE_INTREG_RI0          0x01    /* Ring indicator UART0 is asserted,              */
#define VERSATILE_INTREG_CARDIN       0x08    /* MMCI card in detect                            */
                                                /* write 1 to acknowledge and clear               */
#define VERSATILE_INTREG_RI1          0x02    /* Ring indicator UART1 is asserted,              */
#define VERSATILE_INTREG_CARDINSERT   0x03    /* Signal insertion of MMC card                   */

/*
 * VERSATILE peripheral addresses
 */
#define VERSATILE_PCI_CORE_BASE        0x10001000   /* PCI core control */
#define VERSATILE_I2C_BASE             0x10002000   /* I2C control */
#define VERSATILE_SIC_BASE             0x10003000   /* Secondary interrupt controller */
#define VERSATILE_AACI_BASE            0x10004000   /* Audio */
#define VERSATILE_MMCI0_BASE           0x10005000   /* MMC interface */
#define VERSATILE_KMI0_BASE            0x10006000   /* KMI interface */
#define VERSATILE_KMI1_BASE            0x10007000   /* KMI 2nd interface */
#define VERSATILE_CHAR_LCD_BASE        0x10008000   /* Character LCD */
#define VERSATILE_UART3_BASE           0x10009000   /* UART 3 */
#define VERSATILE_SCI1_BASE            0x1000A000
#define VERSATILE_MMCI1_BASE           0x1000B000    /* MMC Interface */
    /* 0x1000C000 - 0x1000CFFF = reserved */
#define VERSATILE_ETH_BASE             0x10010000   /* Ethernet */
#define VERSATILE_USB_BASE             0x10020000   /* USB */
    /* 0x10030000 - 0x100FFFFF = reserved */
#define VERSATILE_SMC_BASE             0x10100000   /* SMC */
#define VERSATILE_MPMC_BASE            0x10110000   /* MPMC */
#define VERSATILE_CLCD_BASE            0x10120000   /* CLCD */
#define VERSATILE_DMAC_BASE            0x10130000   /* DMA controller */
#define VERSATILE_VIC_BASE             0x10140000   /* Vectored interrupt controller */
#define VERSATILE_PERIPH_BASE          0x10150000   /* off-chip peripherals alias from */
                                                /* 0x10000000 - 0x100FFFFF */
#define VERSATILE_AHBM_BASE            0x101D0000   /* AHB monitor */
#define VERSATILE_SCTL_BASE            0x101E0000   /* System controller */
#define VERSATILE_WATCHDOG_BASE        0x101E1000   /* Watchdog */
#define VERSATILE_TIMER0_1_BASE        0x101E2000   /* Timer 0 and 1 */
#define VERSATILE_TIMER2_3_BASE        0x101E3000   /* Timer 2 and 3 */
#define VERSATILE_GPIO0_BASE           0x101E4000   /* GPIO port 0 */
#define VERSATILE_GPIO1_BASE           0x101E5000   /* GPIO port 1 */
#define VERSATILE_GPIO2_BASE           0x101E6000   /* GPIO port 2 */
#define VERSATILE_GPIO3_BASE           0x101E7000   /* GPIO port 3 */
#define VERSATILE_RTC_BASE             0x101E8000   /* Real Time Clock */
    /* 0x101E9000 - reserved */
#define VERSATILE_SCI_BASE             0x101F0000   /* Smart card controller */
#define VERSATILE_UART0_BASE           0x101F1000   /* Uart 0 */
#define VERSATILE_UART1_BASE           0x101F2000   /* Uart 1 */
#define VERSATILE_UART2_BASE           0x101F3000   /* Uart 2 */
#define VERSATILE_SSP_BASE             0x101F4000   /* Synchronous Serial Port */

#define VERSATILE_SSMC_BASE            0x20000000   /* SSMC */
#define VERSATILE_IB2_BASE             0x24000000   /* IB2 module */
#define VERSATILE_MBX_BASE             0x40000000   /* MBX */

/* PCI space */
#define VERSATILE_PCI_BASE             0x41000000   /* PCI Interface */
#define VERSATILE_PCI_CFG_BASE         0x42000000
#define VERSATILE_PCI_MEM_BASE0        0x44000000
#define VERSATILE_PCI_MEM_BASE1        0x50000000
#define VERSATILE_PCI_MEM_BASE2        0x60000000
/* Sizes of above maps */
#define VERSATILE_PCI_BASE_SIZE        0x01000000
#define VERSATILE_PCI_CFG_BASE_SIZE    0x02000000
#define VERSATILE_PCI_MEM_BASE0_SIZE   0x0c000000   /* 32Mb */
#define VERSATILE_PCI_MEM_BASE1_SIZE   0x10000000   /* 256Mb */
#define VERSATILE_PCI_MEM_BASE2_SIZE   0x10000000   /* 256Mb */

#define VERSATILE_SDRAM67_BASE         0x70000000   /* SDRAM banks 6 and 7 */
#define VERSATILE_LT_BASE              0x80000000   /* Logic Tile expansion */

/*
 * Disk on Chip
 */
#define VERSATILE_DOC_BASE             0x2C000000
#define VERSATILE_DOC_SIZE             (16 << 20)
#define VERSATILE_DOC_PAGE_SIZE        512
#define VERSATILE_DOC_TOTAL_PAGES     (DOC_SIZE / PAGE_SIZE)

#define ERASE_UNIT_PAGES    32
#define START_PAGE          0x80

/* 
 *  LED settings, bits [7:0]
 */
#define VERSATILE_SYS_LED0             (1 << 0)
#define VERSATILE_SYS_LED1             (1 << 1)
#define VERSATILE_SYS_LED2             (1 << 2)
#define VERSATILE_SYS_LED3             (1 << 3)
#define VERSATILE_SYS_LED4             (1 << 4)
#define VERSATILE_SYS_LED5             (1 << 5)
#define VERSATILE_SYS_LED6             (1 << 6)
#define VERSATILE_SYS_LED7             (1 << 7)

#define ALL_LEDS                  0xFF

#define LED_BANK                  VERSATILE_SYS_LED

/* 
 * Control registers
 */
#define VERSATILE_IDFIELD_OFFSET    0x0 /* Versatile build information */
#define VERSATILE_FLASHPROG_OFFSET  0x4 /* Flash devices */
#define VERSATILE_INTREG_OFFSET     0x8 /* Interrupt control */
#define VERSATILE_DECODE_OFFSET     0xC /* Fitted logic modules */


/* ------------------------------------------------------------------------
 *  Versatile Interrupt Controller - control registers
 * ------------------------------------------------------------------------
 * 
 *  Offsets from interrupt controller base 
 * 
 *  System Controller interrupt controller base is
 * 
 *  VERSATILE_IC_BASE
 * 
 *  Core Module interrupt controller base is
 * 
 *  VERSATILE_SYS_IC 
 * 
 */
/* VIC definitions in include/asm-arm/hardware/vic.h */

#define SIC_IRQ_STATUS                  0
#define SIC_IRQ_RAW_STATUS              0x04
#define SIC_IRQ_ENABLE                  0x08
#define SIC_IRQ_ENABLE_SET              0x08
#define SIC_IRQ_ENABLE_CLEAR            0x0C
#define SIC_INT_SOFT_SET                0x10
#define SIC_INT_SOFT_CLEAR              0x14
#define SIC_INT_PIC_ENABLE              0x20    /* read status of pass through mask */
#define SIC_INT_PIC_ENABLES             0x20    /* set interrupt pass through bits */
#define SIC_INT_PIC_ENABLEC             0x24    /* Clear interrupt pass through bits */

/* ------------------------------------------------------------------------
 *  Interrupts - bit assignment (primary)
 * ------------------------------------------------------------------------
 */

#define INT_WDOGINT                     0   /* Watchdog timer */
#define INT_SOFTINT                     1   /* Software interrupt */
#define INT_COMMRx                      2   /* Debug Comm Rx interrupt */
#define INT_COMMTx                      3   /* Debug Comm Tx interrupt */
#define INT_TIMERINT0_1                 4   /* Timer 0 and 1 */
#define INT_TIMERINT2_3                 5   /* Timer 2 and 3 */
#define INT_GPIOINT0                    6   /* GPIO 0 */
#define INT_GPIOINT1                    7   /* GPIO 1 */
#define INT_GPIOINT2                    8   /* GPIO 2 */
#define INT_GPIOINT3                    9   /* GPIO 3 */
#define INT_RTCINT                      10  /* Real Time Clock */
#define INT_SSPINT                      11  /* Synchronous Serial Port */
#define INT_UARTINT0                    12  /* UART 0 on development chip */
#define INT_UARTINT1                    13  /* UART 1 on development chip */
#define INT_UARTINT2                    14  /* UART 2 on development chip */
#define INT_SCIINT                      15  /* Smart Card Interface */
#define INT_CLCDINT                     16  /* CLCD controller */
#define INT_DMAINT                      17  /* DMA controller */
#define INT_PWRFAILINT                  18  /* Power failure */
#define INT_MBXINT                      19  /* Graphics processor */
#define INT_GNDINT                      20  /* Reserved */
    /* External interrupt signals from logic tiles or secondary controller */
#define INT_VICSOURCE21                 21  /* Disk on Chip */
#define INT_VICSOURCE22                 22  /* MCI0A */
#define INT_VICSOURCE23                 23  /* MCI1A */
#define INT_VICSOURCE24                 24  /* AACI */
#define INT_VICSOURCE25                 25  /* Ethernet */
#define INT_VICSOURCE26                 26  /* USB */
#define INT_VICSOURCE27                 27  /* PCI 0 */
#define INT_VICSOURCE28                 28  /* PCI 1 */
#define INT_VICSOURCE29                 29  /* PCI 2 */
#define INT_VICSOURCE30                 30  /* PCI 3 */
#define INT_VICSOURCE31                 31  /* SIC source */

#define VERSATILE_SC_VALID_INT               0x003FFFFF

#define MAXIRQNUM                       31
#define MAXFIQNUM                       31
#define MAXSWINUM                       31

/* ------------------------------------------------------------------------
 *  Interrupts - bit assignment (secondary)
 * ------------------------------------------------------------------------
 */
#define SIC_INT_MMCI0B                  1   /* Multimedia Card 0B */
#define SIC_INT_MMCI1B                  2   /* Multimedia Card 1B */
#define SIC_INT_KMI0                    3   /* Keyboard/Mouse port 0 */
#define SIC_INT_KMI1                    4   /* Keyboard/Mouse port 1 */
#define SIC_INT_SCI3                    5   /* Smart Card interface */
#define SIC_INT_UART3                   6   /* UART 3 empty or data available */
#define SIC_INT_CLCD                    7   /* Character LCD */
#define SIC_INT_TOUCH                   8   /* Touchscreen */
#define SIC_INT_KEYPAD                  9   /* Key pressed on display keypad */
    /* 10:20 - reserved */
#define SIC_INT_DoC                     21  /* Disk on Chip memory controller */
#define SIC_INT_MMCI0A                  22  /* MMC 0A */
#define SIC_INT_MMCI1A                  23  /* MMC 1A */
#define SIC_INT_AACI                    24  /* Audio Codec */
#define SIC_INT_ETH                     25  /* Ethernet controller */
#define SIC_INT_USB                     26  /* USB controller */
#define SIC_INT_PCI0                    27
#define SIC_INT_PCI1                    28
#define SIC_INT_PCI2                    29
#define SIC_INT_PCI3                    30


/*
 * System controller bit assignment
 */
#define VERSATILE_REFCLK    0
#define VERSATILE_TIMCLK    1

#define VERSATILE_TIMER1_EnSel  15
#define VERSATILE_TIMER2_EnSel  17
#define VERSATILE_TIMER3_EnSel  19
#define VERSATILE_TIMER4_EnSel  21


#define VERSATILE_CSR_BASE             0x10000000
#define VERSATILE_CSR_SIZE             0x10000000

#ifdef CONFIG_MACH_VERSATILE_AB
/*
 * IB2 Versatile/AB expansion board definitions
 */
#define VERSATILE_IB2_CAMERA_BANK   VERSATILE_IB2_BASE
#define VERSATILE_IB2_KBD_DATAREG   (VERSATILE_IB2_BASE + 0x01000000)

/* VICINTSOURCE27 */
#define VERSATILE_IB2_INT_BASE      (VERSATILE_IB2_BASE + 0x02000000)
#define VERSATILE_IB2_IER       (VERSATILE_IB2_INT_BASE + 0)
#define VERSATILE_IB2_ISR       (VERSATILE_IB2_INT_BASE + 4)

#define VERSATILE_IB2_CTL_BASE      (VERSATILE_IB2_BASE + 0x03000000)
#define VERSATILE_IB2_CTRL      (VERSATILE_IB2_CTL_BASE + 0)
#define VERSATILE_IB2_STAT      (VERSATILE_IB2_CTL_BASE + 4)
#endif

#endif