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authorwdenk <wdenk>2002-11-03 00:38:21 +0000
committerwdenk <wdenk>2002-11-03 00:38:21 +0000
commitfe8c2806cdba70479e351299881a395dc2be7785 (patch)
treea1e8b98a1838cba6e6f5c765d9d85339257c45f5 /board/mousse/mousse.h
parentf9087a3213cc245cf9b90436475b5af822bd7579 (diff)
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+/*
+ * MOUSSE/MPC8240 Board definitions.
+ * For more info, see http://www.vooha.com/
+ *
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2001
+ * James Dougherty (jfd@cs.stanford.edu)
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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 __MOUSSE_H
+#define __MOUSSE_H
+
+/* System addresses */
+
+#define PCI_SPECIAL_BASE 0xfe000000
+#define PCI_SPECIAL_SIZE 0x01000000
+
+/* PORTX Device Addresses for Mousse */
+
+#define PORTX_DEV_BASE 0xff000000
+#define PORTX_DEV_SIZE 0x01000000
+
+#define ENET_DEV_BASE 0x80000000
+
+#define PLD_REG_BASE (PORTX_DEV_BASE | 0xe09000)
+#define PLD_REG(off) (*(volatile unsigned char *) \
+ (PLD_REG_BASE + (off)))
+
+#define PLD_REVID_B1 0x7f
+#define PLD_REVID_B2 0x01
+
+/* MPLD */
+#define SYS_HARD_RESET() { for (;;) PLD_REG(0) = 0; } /* clr 0x80 bit */
+#define SYS_REVID_GET() ((int) PLD_REG(0) & 0x7f)
+#define SYS_LED_OFF() (PLD_REG(1) |= 0x80)
+#define SYS_LED_ON() (PLD_REG(1) &= ~0x80)
+#define SYS_WATCHDOG_IRQ3() (PLD_REG(2) |= 0x80)
+#define SYS_WATCHDOG_RESET() (PLD_REG(2) &= ~0x80)
+#define SYS_TOD_PROTECT() (PLD_REG(3) |= 0x80)
+#define SYS_TOD_UNPROTECT() (PLD_REG(3) &= ~0x80)
+
+/* SGS M48T59Y */
+#define TOD_BASE (PORTX_DEV_BASE | 0xe0a000)
+#define TOD_REG_BASE (TOD_BASE | 0x1ff0)
+#define TOD_NVRAM_BASE TOD_BASE
+#define TOD_NVRAM_SIZE 0x1ff0
+#define TOD_NVRAM_LIMIT (TOD_NVRAM_BASE + TOD_NVRAM_SIZE)
+
+/* NS16552 SIO */
+#define SERIAL_BASE(_x) (PORTX_DEV_BASE | 0xe08000 | ((_x) ? 0 : 0x80))
+#define N_SIO_CHANNELS 2
+#define N_COM_PORTS N_SIO_CHANNELS
+
+/*
+ * On-board Dec21143 PCI Ethernet
+ * Note: The PCI MBAR chosen here was used from MPC8240UM which states
+ * that PCI memory is at: 0x80000 - 0xFDFFFFFF, if AMBOR[CPU_FD_ALIAS]
+ * is set, then PCI memory maps 1-1 with this address range in the
+ * correct byte order.
+ */
+#define PCI_ENET_IOADDR 0x80000000
+#define PCI_ENET_MEMADDR 0x80000000
+
+/*
+ * Flash Memory Layout
+ *
+ * 2 MB Flash Bank 0 runs in 8-bit mode. In Flash Bank 0, the 32 kB
+ * sector SA3 is obscured by the 32 kB serial/TOD access space, and
+ * the 64 kB sectors SA19-SA26 are obscured by the 512 kB PLCC
+ * containing the fixed boot ROM. (If the 512 kB PLCC is
+ * deconfigured by jumper, this window to Flash Bank 0 becomes
+ * visible, but it still contains the fixed boot code and should be
+ * considered read-only). Flash Bank 0 sectors SA0 (16 kB), SA1 (8
+ * kB), and SA2 (8 kB) are currently unused.
+ *
+ * 2 MB Flash Bank 1 runs in 16-bit mode. Flash Bank 1 is fully
+ * usable, but it's a 16-bit wide device on a 64-bit bus. Therefore
+ * 16-bit words only exist at addresses that are multiples of 8. All
+ * PROM data and control addresses must be multiplied by 8.
+ *
+ * See flashMap.c for description of flash filesystem layout.
+ */
+
+/*
+ * FLASH memory address space: 8-bit wide FLASH memory spaces.
+ */
+#define FLASH0_SEG0_START 0xffe00000 /* Baby 32Kb segment */
+#define FLASH0_SEG0_END 0xffe07fff /* 16 kB + 8 kB + 8 kB */
+#define FLASH0_SEG0_SIZE 0x00008000 /* (sectors SA0-SA2) */
+
+#define FLASH0_SEG1_START 0xffe10000 /* 1MB - 64Kb FLASH0 seg */
+#define FLASH0_SEG1_END 0xffefffff /* 960 kB */
+#define FLASH0_SEG1_SIZE 0x000f0000
+
+#define FLASH0_SEG2_START 0xfff00000 /* Boot Loader stored here */
+#define FLASH0_SEG2_END 0xfff7ffff /* 512 kB FLASH0/PLCC seg */
+#define FLASH0_SEG2_SIZE 0x00080000
+
+#define FLASH0_SEG3_START 0xfff80000 /* 512 kB FLASH0 seg */
+#define FLASH0_SEG3_END 0xffffffff
+#define FLASH0_SEG3_SIZE 0x00080000
+
+/* Where Kahlua starts */
+#define FLASH_RESET_VECT 0xfff00100
+
+/*
+ * CHRP / PREP (MAP A/B) definitions.
+ */
+
+#define PREP_REG_ADDR 0x80000cf8 /* MPC107 Config, Map A */
+#define PREP_REG_DATA 0x80000cfc /* MPC107 Config, Map A */
+/* MPC107 (MPC8240 internal EUMBBAR mapped) */
+#define CHRP_REG_ADDR 0xfec00000 /* MPC106 Config, Map B */
+#define CHRP_REG_DATA 0xfee00000 /* MPC106 Config, Map B */
+
+/*
+ * Mousse PCI IDSEL Assignments (Device Number)
+ */
+#define MOUSSE_IDSEL_ENET 13 /* On-board 21143 Ethernet */
+#define MOUSSE_IDSEL_LPCI 14 /* On-board PCI slot */
+#define MOUSSE_IDSEL_82371 15 /* That other thing */
+#define MOUSSE_IDSEL_CPCI2 31 /* CPCI slot 2 */
+#define MOUSSE_IDSEL_CPCI3 30 /* CPCI slot 3 */
+#define MOUSSE_IDSEL_CPCI4 29 /* CPCI slot 4 */
+#define MOUSSE_IDSEL_CPCI5 28 /* CPCI slot 5 */
+#define MOUSSE_IDSEL_CPCI6 27 /* CPCI slot 6 */
+
+/*
+ * Mousse Interrupt Mapping:
+ *
+ * IRQ1 Enet (intA|intB|intC|intD)
+ * IRQ2 CPCI intA (See below)
+ * IRQ3 Local PCI slot intA|intB|intC|intD
+ * IRQ4 COM1 Serial port (Actually higher addressed port on duart)
+ *
+ * PCI Interrupt Mapping in CPCI chassis:
+ *
+ * | CPCI Slot
+ * | 1 (CPU) 2 3 4 5 6
+ * -----------+--------+-------+-------+-------+-------+-------+
+ * intA | X X X
+ * intB | X X X
+ * intC | X X X
+ * intD | X X X
+ */
+
+
+#define EPIC_VECTOR_EXT0 0
+#define EPIC_VECTOR_EXT1 1
+#define EPIC_VECTOR_EXT2 2
+#define EPIC_VECTOR_EXT3 3
+#define EPIC_VECTOR_EXT4 4
+#define EPIC_VECTOR_TM0 16
+#define EPIC_VECTOR_TM1 17
+#define EPIC_VECTOR_TM2 18
+#define EPIC_VECTOR_TM3 19
+#define EPIC_VECTOR_I2C 20
+#define EPIC_VECTOR_DMA0 21
+#define EPIC_VECTOR_DMA1 22
+#define EPIC_VECTOR_I2O 23
+
+
+#define INT_VEC_IRQ0 0
+#define INT_NUM_IRQ0 INT_VEC_IRQ0
+#define MOUSSE_IRQ_ENET EPIC_VECTOR_EXT1 /* Hardwired */
+#define MOUSSE_IRQ_CPCI EPIC_VECTOR_EXT2 /* Hardwired */
+#define MOUSSE_IRQ_LPCI EPIC_VECTOR_EXT3 /* Hardwired */
+#define MOUSSE_IRQ_DUART EPIC_VECTOR_EXT4 /* Hardwired */
+
+/* Onboard DEC 21143 Ethernet */
+#define PCI_ENET_MEMADDR 0x80000000
+#define PCI_ENET_IOADDR 0x80000000
+
+/* Some other PCI device */
+#define PCI_SLOT_MEMADDR 0x81000000
+#define PCI_SLOT_IOADDR 0x81000000
+
+/* Promise ATA66 PCI Device (ATA controller) */
+#define PROMISE_MBAR0 0xa0000000
+#define PROMISE_MBAR1 (PROMISE_MBAR0 + 0x1000)
+#define PROMISE_MBAR2 (PROMISE_MBAR0 + 0x2000)
+#define PROMISE_MBAR3 (PROMISE_MBAR0 + 0x3000)
+#define PROMISE_MBAR4 (PROMISE_MBAR0 + 0x4000)
+#define PROMISE_MBAR5 (PROMISE_MBAR0 + 0x5000)
+
+/* ATA/66 Controller offsets */
+#define CFG_ATA_BASE_ADDR PROMISE_MBAR0
+#define CFG_IDE_MAXBUS 2 /* ide0/ide1 */
+#define CFG_IDE_MAXDEVICE 2 /* 2 drives per controller */
+#define CFG_ATA_IDE0_OFFSET 0
+#define CFG_ATA_IDE1_OFFSET 0x3000
+/*
+ * Definitions for accessing IDE controller registers
+ */
+#define CFG_ATA_DATA_OFFSET 0
+#define CFG_ATA_REG_OFFSET 0
+#define CFG_ATA_ALT_OFFSET (0x1000)
+
+/*
+ * The constants ROM_TEXT_ADRS, ROM_SIZE, RAM_HIGH_ADRS, and RAM_LOW_ADRS
+ * are defined in config.h and Makefile.
+ * All definitions for these constants must be identical.
+ */
+#define ROM_BASE_ADRS 0xfff00000 /* base address of ROM */
+#define ROM_TEXT_ADRS (ROM_BASE_ADRS+0x0100) /* with PC & SP */
+#define ROM_WARM_ADRS (ROM_TEXT_ADRS+0x0004) /* warm reboot entry */
+#define ROM_SIZE 0x00080000 /* 512KB ROM space */
+#define RAM_LOW_ADRS 0x00010000 /* RAM address for vxWorks */
+#define RAM_HIGH_ADRS 0x00c00000 /* RAM address for bootrom */
+
+/*
+ * NVRAM configuration
+ * NVRAM is implemented via the SGS Thomson M48T59Y
+ * 64Kbit (8Kbx8) Timekeeper SRAM.
+ * This 8KB NVRAM also has a TOD. See m48t59y.{h,c} for more information.
+ */
+
+#define NV_RAM_ADRS TOD_NVRAM_BASE
+#define NV_RAM_INTRVL 1
+#define NV_RAM_WR_ENBL SYS_TOD_UNPROTECT()
+#define NV_RAM_WR_DSBL SYS_TOD_PROTECT()
+
+#define NV_OFF_BOOT0 0x0000 /* Boot string 0 (256b) */
+#define NV_OFF_BOOT1 0x0100 /* Boot string 1 (256b) */
+#define NV_OFF_BOOT2 0x0200 /* Boot string 2 (256b)*/
+#define NV_OFF_MACADDR 0x0400 /* 21143 MAC address (6b) */
+#define NV_OFF_ACTIVEBOOT 0x0406 /* Active boot string, 0 to 2 (1b) */
+#define NV_OFF_UNUSED1 0x0407 /* Unused (1b) */
+#define NV_OFF_BINDFIX 0x0408 /* See sysLib.c:sysBindFix() (1b) */
+#define NV_OFF_UNUSED2 0x0409 /* Unused (7b) */
+#define NV_OFF_TIMEZONE 0x0410 /* TIMEZONE env var (64b) */
+#define NV_OFF_VXWORKS_END 0x07FF /* 2047 VxWorks Total */
+#define NV_OFF_U_BOOT 0x0800 /* 2048 U-Boot boot-loader */
+#define NV_OFF_U_BOOT_ADDR (TOD_BASE + NV_OFF_U_BOOT) /* sysaddr*/
+#define NV_U_BOOT_ENV_SIZE 2048 /* 2K - U-Boot Total */
+#define NV_OFF__next_free (NV_U_BOOT_ENVSIZE +1)
+#define NV_RAM_SIZE 8176 /* NVRAM End */
+
+#endif /* __MOUSSE_H */