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authorRalf Baechle <ralf@linux-mips.org>2007-07-28 17:20:16 +0400
committerRalf Baechle <ralf@linux-mips.org>2007-08-01 00:35:29 +0400
commit0b0ef2ea00c581d613e15eadc3215d52a6a55946 (patch)
treed5081883a39ceb9a29b1f7b1123a4873becb6682 /arch/mips/gt64120
parente7865765ef85473c1b97aad86d44b80dc260dbbf (diff)
downloadlinux-0b0ef2ea00c581d613e15eadc3215d52a6a55946.tar.xz
[MIPS] Remove Momentum Ocelot support.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/gt64120')
-rw-r--r--arch/mips/gt64120/momenco_ocelot/Makefile7
-rw-r--r--arch/mips/gt64120/momenco_ocelot/dbg_io.c121
-rw-r--r--arch/mips/gt64120/momenco_ocelot/irq.c95
-rw-r--r--arch/mips/gt64120/momenco_ocelot/ocelot-platform.c46
-rw-r--r--arch/mips/gt64120/momenco_ocelot/ocelot_pld.h30
-rw-r--r--arch/mips/gt64120/momenco_ocelot/prom.c71
-rw-r--r--arch/mips/gt64120/momenco_ocelot/reset.c47
-rw-r--r--arch/mips/gt64120/momenco_ocelot/setup.c365
8 files changed, 0 insertions, 782 deletions
diff --git a/arch/mips/gt64120/momenco_ocelot/Makefile b/arch/mips/gt64120/momenco_ocelot/Makefile
deleted file mode 100644
index 1df5fe23c642..000000000000
--- a/arch/mips/gt64120/momenco_ocelot/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
-#
-# Makefile for Momentum's Ocelot board.
-#
-
-obj-y += irq.o ocelot-platform.o prom.o reset.o setup.o
-
-obj-$(CONFIG_KGDB) += dbg_io.o
diff --git a/arch/mips/gt64120/momenco_ocelot/dbg_io.c b/arch/mips/gt64120/momenco_ocelot/dbg_io.c
deleted file mode 100644
index 32d6fb4ee679..000000000000
--- a/arch/mips/gt64120/momenco_ocelot/dbg_io.c
+++ /dev/null
@@ -1,121 +0,0 @@
-
-#include <asm/serial.h> /* For the serial port location and base baud */
-
-/* --- CONFIG --- */
-
-typedef unsigned char uint8;
-typedef unsigned int uint32;
-
-/* --- END OF CONFIG --- */
-
-#define UART16550_BAUD_2400 2400
-#define UART16550_BAUD_4800 4800
-#define UART16550_BAUD_9600 9600
-#define UART16550_BAUD_19200 19200
-#define UART16550_BAUD_38400 38400
-#define UART16550_BAUD_57600 57600
-#define UART16550_BAUD_115200 115200
-
-#define UART16550_PARITY_NONE 0
-#define UART16550_PARITY_ODD 0x08
-#define UART16550_PARITY_EVEN 0x18
-#define UART16550_PARITY_MARK 0x28
-#define UART16550_PARITY_SPACE 0x38
-
-#define UART16550_DATA_5BIT 0x0
-#define UART16550_DATA_6BIT 0x1
-#define UART16550_DATA_7BIT 0x2
-#define UART16550_DATA_8BIT 0x3
-
-#define UART16550_STOP_1BIT 0x0
-#define UART16550_STOP_2BIT 0x4
-
-/* ----------------------------------------------------- */
-
-/* === CONFIG === */
-
-/* [jsun] we use the second serial port for kdb */
-#define BASE OCELOT_SERIAL1_BASE
-#define MAX_BAUD OCELOT_BASE_BAUD
-
-/* === END OF CONFIG === */
-
-#define REG_OFFSET 4
-
-/* register offset */
-#define OFS_RCV_BUFFER 0
-#define OFS_TRANS_HOLD 0
-#define OFS_SEND_BUFFER 0
-#define OFS_INTR_ENABLE (1*REG_OFFSET)
-#define OFS_INTR_ID (2*REG_OFFSET)
-#define OFS_DATA_FORMAT (3*REG_OFFSET)
-#define OFS_LINE_CONTROL (3*REG_OFFSET)
-#define OFS_MODEM_CONTROL (4*REG_OFFSET)
-#define OFS_RS232_OUTPUT (4*REG_OFFSET)
-#define OFS_LINE_STATUS (5*REG_OFFSET)
-#define OFS_MODEM_STATUS (6*REG_OFFSET)
-#define OFS_RS232_INPUT (6*REG_OFFSET)
-#define OFS_SCRATCH_PAD (7*REG_OFFSET)
-
-#define OFS_DIVISOR_LSB (0*REG_OFFSET)
-#define OFS_DIVISOR_MSB (1*REG_OFFSET)
-
-
-/* memory-mapped read/write of the port */
-#define UART16550_READ(y) (*((volatile uint8*)(BASE + y)))
-#define UART16550_WRITE(y, z) ((*((volatile uint8*)(BASE + y))) = z)
-
-void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
-{
- /* disable interrupts */
- UART16550_WRITE(OFS_INTR_ENABLE, 0);
-
- /* set up baud rate */
- {
- uint32 divisor;
-
- /* set DIAB bit */
- UART16550_WRITE(OFS_LINE_CONTROL, 0x80);
-
- /* set divisor */
- divisor = MAX_BAUD / baud;
- UART16550_WRITE(OFS_DIVISOR_LSB, divisor & 0xff);
- UART16550_WRITE(OFS_DIVISOR_MSB, (divisor & 0xff00) >> 8);
-
- /* clear DIAB bit */
- UART16550_WRITE(OFS_LINE_CONTROL, 0x0);
- }
-
- /* set data format */
- UART16550_WRITE(OFS_DATA_FORMAT, data | parity | stop);
-}
-
-static int remoteDebugInitialized = 0;
-
-uint8 getDebugChar(void)
-{
- if (!remoteDebugInitialized) {
- remoteDebugInitialized = 1;
- debugInit(UART16550_BAUD_38400,
- UART16550_DATA_8BIT,
- UART16550_PARITY_NONE, UART16550_STOP_1BIT);
- }
-
- while ((UART16550_READ(OFS_LINE_STATUS) & 0x1) == 0);
- return UART16550_READ(OFS_RCV_BUFFER);
-}
-
-
-int putDebugChar(uint8 byte)
-{
- if (!remoteDebugInitialized) {
- remoteDebugInitialized = 1;
- debugInit(UART16550_BAUD_38400,
- UART16550_DATA_8BIT,
- UART16550_PARITY_NONE, UART16550_STOP_1BIT);
- }
-
- while ((UART16550_READ(OFS_LINE_STATUS) & 0x20) == 0);
- UART16550_WRITE(OFS_SEND_BUFFER, byte);
- return 1;
-}
diff --git a/arch/mips/gt64120/momenco_ocelot/irq.c b/arch/mips/gt64120/momenco_ocelot/irq.c
deleted file mode 100644
index 2585d9dbda33..000000000000
--- a/arch/mips/gt64120/momenco_ocelot/irq.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Copyright (C) 2000 RidgeRun, Inc.
- * Author: RidgeRun, Inc.
- * glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.com
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
- * Copyright (C) 2000, 2001, 2003 Ralf Baechle (ralf@gnu.org)
- *
- * 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 SOFTWARE IS PROVIDED ``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 AUTHOR 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.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/kernel_stat.h>
-#include <linux/module.h>
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/timex.h>
-#include <linux/slab.h>
-#include <linux/random.h>
-#include <linux/bitops.h>
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/irq_cpu.h>
-#include <asm/mipsregs.h>
-#include <asm/system.h>
-
-asmlinkage void plat_irq_dispatch(void)
-{
- unsigned int pending = read_c0_status() & read_c0_cause();
-
- if (pending & STATUSF_IP2) /* int0 hardware line */
- do_IRQ(2);
- else if (pending & STATUSF_IP3) /* int1 hardware line */
- do_IRQ(3);
- else if (pending & STATUSF_IP4) /* int2 hardware line */
- do_IRQ(4);
- else if (pending & STATUSF_IP5) /* int3 hardware line */
- do_IRQ(5);
- else if (pending & STATUSF_IP6) /* int4 hardware line */
- do_IRQ(6);
- else if (pending & STATUSF_IP7) /* cpu timer */
- do_IRQ(7);
- else {
- /*
- * Now look at the extended interrupts
- */
- pending = (read_c0_cause() & (read_c0_intcontrol() << 8)) >> 16;
-
- if (pending & STATUSF_IP8) /* int6 hardware line */
- do_IRQ(8);
- else if (pending & STATUSF_IP9) /* int7 hardware line */
- do_IRQ(9);
- else if (pending & STATUSF_IP10) /* int8 hardware line */
- do_IRQ(10);
- else if (pending & STATUSF_IP11) /* int9 hardware line */
- do_IRQ(11);
- }
-}
-
-void __init arch_init_irq(void)
-{
- /*
- * Clear all of the interrupts while we change the able around a bit.
- * int-handler is not on bootstrap
- */
- clear_c0_status(ST0_IM);
- local_irq_disable();
-
- mips_cpu_irq_init();
- rm7k_cpu_irq_init();
-}
diff --git a/arch/mips/gt64120/momenco_ocelot/ocelot-platform.c b/arch/mips/gt64120/momenco_ocelot/ocelot-platform.c
deleted file mode 100644
index 81d9031a5a2a..000000000000
--- a/arch/mips/gt64120/momenco_ocelot/ocelot-platform.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org)
- *
- * A NS16552 DUART with a 20MHz crystal.
- *
- */
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/serial_8250.h>
-
-#define OCELOT_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP)
-
-static struct plat_serial8250_port uart8250_data[] = {
- {
- .mapbase = 0xe0001020,
- .irq = 4,
- .uartclk = 20000000,
- .iotype = UPIO_MEM,
- .flags = OCELOT_UART_FLAGS,
- .regshift = 2,
- },
- { },
-};
-
-static struct platform_device uart8250_device = {
- .name = "serial8250",
- .id = PLAT8250_DEV_PLATFORM,
- .dev = {
- .platform_data = uart8250_data,
- },
-};
-
-static int __init uart8250_init(void)
-{
- return platform_device_register(&uart8250_device);
-}
-
-module_init(uart8250_init);
-
-MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("8250 UART probe driver for the Momenco Ocelot");
diff --git a/arch/mips/gt64120/momenco_ocelot/ocelot_pld.h b/arch/mips/gt64120/momenco_ocelot/ocelot_pld.h
deleted file mode 100644
index 11f02c402b2a..000000000000
--- a/arch/mips/gt64120/momenco_ocelot/ocelot_pld.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * Ocelot Board Register Definitions
- *
- * (C) 2001 Red Hat, Inc.
- *
- * GPL'd
- */
-#ifndef __MOMENCO_OCELOT_PLD_H__
-#define __MOMENCO_OCELOT_PLD_H__
-
-#define OCELOT_CS0_ADDR (0xe0020000)
-
-#define OCELOT_REG_BOARDREV (0)
-#define OCELOT_REG_PLD1_ID (1)
-#define OCELOT_REG_PLD2_ID (2)
-#define OCELOT_REG_RESET_STATUS (3)
-#define OCELOT_REG_BOARD_STATUS (4)
-#define OCELOT_REG_CPCI_ID (5)
-#define OCELOT_REG_I2C_CTRL (8)
-#define OCELOT_REG_EEPROM_MODE (9)
-#define OCELOT_REG_INTMASK (10)
-#define OCELOT_REG_INTSTATUS (11)
-#define OCELOT_REG_INTSET (12)
-#define OCELOT_REG_INTCLR (13)
-
-#define OCELOT_PLD_WRITE(x, y) writeb(x, OCELOT_CS0_ADDR + OCELOT_REG_##y)
-#define OCELOT_PLD_READ(x) readb(OCELOT_CS0_ADDR + OCELOT_REG_##x)
-
-
-#endif /* __MOMENCO_OCELOT_PLD_H__ */
diff --git a/arch/mips/gt64120/momenco_ocelot/prom.c b/arch/mips/gt64120/momenco_ocelot/prom.c
deleted file mode 100644
index c71c85276c74..000000000000
--- a/arch/mips/gt64120/momenco_ocelot/prom.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * 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.
- */
-#include <linux/init.h>
-#include <linux/mm.h>
-#include <linux/sched.h>
-#include <linux/bootmem.h>
-
-#include <asm/addrspace.h>
-#include <asm/bootinfo.h>
-#include <asm/pmon.h>
-
-struct callvectors* debug_vectors;
-
-extern unsigned long gt64120_base;
-
-const char *get_system_type(void)
-{
- return "Momentum Ocelot";
-}
-
-/* [jsun@junsun.net] PMON passes arguments in C main() style */
-void __init prom_init(void)
-{
- int argc = fw_arg0;
- char **arg = (char **) fw_arg1;
- char **env = (char **) fw_arg2;
- struct callvectors *cv = (struct callvectors *) fw_arg3;
- int i;
-
- /* save the PROM vectors for debugging use */
- debug_vectors = cv;
-
- /* arg[0] is "g", the rest is boot parameters */
- arcs_cmdline[0] = '\0';
- for (i = 1; i < argc; i++) {
- if (strlen(arcs_cmdline) + strlen(arg[i] + 1)
- >= sizeof(arcs_cmdline))
- break;
- strcat(arcs_cmdline, arg[i]);
- strcat(arcs_cmdline, " ");
- }
-
- mips_machgroup = MACH_GROUP_MOMENCO;
- mips_machtype = MACH_MOMENCO_OCELOT;
-
- while (*env) {
- if (strncmp("gtbase", *env, 6) == 0) {
- gt64120_base = simple_strtol(*env + strlen("gtbase="),
- NULL, 16);
- break;
- }
- *env++;
- }
-
- debug_vectors->printf("Booting Linux kernel...\n");
-
- /* All the boards have at least 64MiB. If there's more, we
- detect and register it later */
- add_memory_region(0, 64 << 20, BOOT_MEM_RAM);
-}
-
-void __init prom_free_prom_memory(void)
-{
-}
diff --git a/arch/mips/gt64120/momenco_ocelot/reset.c b/arch/mips/gt64120/momenco_ocelot/reset.c
deleted file mode 100644
index 3fd499adf4cf..000000000000
--- a/arch/mips/gt64120/momenco_ocelot/reset.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * 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.
- *
- * Copyright (C) 1997, 2001 Ralf Baechle
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- */
-#include <linux/sched.h>
-#include <linux/mm.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/processor.h>
-#include <asm/reboot.h>
-#include <asm/system.h>
-#include <linux/delay.h>
-
-void momenco_ocelot_restart(char *command)
-{
- void *nvram = ioremap_nocache(0x2c807000, 0x1000);
-
- if (!nvram) {
- printk(KERN_NOTICE "ioremap of reset register failed\n");
- return;
- }
- writeb(0x84, nvram + 0xff7); /* Ask the NVRAM/RTC/watchdog chip to
- assert reset in 1/16 second */
- mdelay(10+(1000/16));
- iounmap(nvram);
- printk(KERN_NOTICE "Watchdog reset failed\n");
-}
-
-void momenco_ocelot_halt(void)
-{
- printk(KERN_NOTICE "\n** You can safely turn off the power\n");
- while (1)
- __asm__(".set\tmips3\n\t"
- "wait\n\t"
- ".set\tmips0");
-}
-
-void momenco_ocelot_power_off(void)
-{
- momenco_ocelot_halt();
-}
diff --git a/arch/mips/gt64120/momenco_ocelot/setup.c b/arch/mips/gt64120/momenco_ocelot/setup.c
deleted file mode 100644
index 98b6fb38096d..000000000000
--- a/arch/mips/gt64120/momenco_ocelot/setup.c
+++ /dev/null
@@ -1,365 +0,0 @@
-/*
- * setup.c
- *
- * BRIEF MODULE DESCRIPTION
- * Momentum Computer Ocelot (CP7000) - board dependent boot routines
- *
- * Copyright (C) 1996, 1997, 2001, 06 Ralf Baechle (ralf@linux-mips.org)
- * Copyright (C) 2000 RidgeRun, Inc.
- * Copyright (C) 2001 Red Hat, Inc.
- * Copyright (C) 2002 Momentum Computer
- *
- * Author: RidgeRun, Inc.
- * glonnon@ridgerun.com, skranz@ridgerun.com, stevej@ridgerun.com
- *
- * Copyright 2001 MontaVista Software Inc.
- * Author: jsun@mvista.com or jsun@junsun.net
- *
- * 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 SOFTWARE IS PROVIDED ``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 AUTHOR 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.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/mm.h>
-#include <linux/swap.h>
-#include <linux/ioport.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/timex.h>
-#include <linux/vmalloc.h>
-#include <linux/pm.h>
-
-#include <asm/time.h>
-#include <asm/bootinfo.h>
-#include <asm/page.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/pci.h>
-#include <asm/processor.h>
-#include <asm/reboot.h>
-#include <asm/traps.h>
-#include <linux/bootmem.h>
-#include <linux/initrd.h>
-#include <asm/gt64120.h>
-#include "ocelot_pld.h"
-
-unsigned long gt64120_base = KSEG1ADDR(GT_DEF_BASE);
-
-/* These functions are used for rebooting or halting the machine*/
-extern void momenco_ocelot_restart(char *command);
-extern void momenco_ocelot_halt(void);
-extern void momenco_ocelot_power_off(void);
-
-extern void momenco_ocelot_irq_setup(void);
-
-static char reset_reason;
-
-#define ENTRYLO(x) ((pte_val(pfn_pte((x) >> PAGE_SHIFT, PAGE_KERNEL_UNCACHED)) >> 6)|1)
-
-static void __init setup_l3cache(unsigned long size);
-
-/* setup code for a handoff from a version 1 PMON 2000 PROM */
-static void PMON_v1_setup(void)
-{
- /* A wired TLB entry for the GT64120A and the serial port. The
- GT64120A is going to be hit on every IRQ anyway - there's
- absolutely no point in letting it be a random TLB entry, as
- it'll just cause needless churning of the TLB. And we use
- the other half for the serial port, which is just a PITA
- otherwise :)
-
- Device Physical Virtual
- GT64120 Internal Regs 0x24000000 0xe0000000
- UARTs (CS2) 0x2d000000 0xe0001000
- */
- add_wired_entry(ENTRYLO(0x24000000), ENTRYLO(0x2D000000), 0xe0000000, PM_4K);
-
- /* Also a temporary entry to let us talk to the Ocelot PLD and NVRAM
- in the CS[012] region. We can't use ioremap() yet. The NVRAM
- is a ST M48T37Y, which includes NVRAM, RTC, and Watchdog functions.
-
- Ocelot PLD (CS0) 0x2c000000 0xe0020000
- NVRAM 0x2c800000 0xe0030000
- */
-
- add_temporary_entry(ENTRYLO(0x2C000000), ENTRYLO(0x2d000000), 0xe0020000, PM_64K);
-
- /* Relocate the CS3/BootCS region */
- GT_WRITE(GT_CS3BOOTLD_OFS, 0x2f000000 >> 21);
-
- /* Relocate CS[012] */
- GT_WRITE(GT_CS20LD_OFS, 0x2c000000 >> 21);
-
- /* Relocate the GT64120A itself... */
- GT_WRITE(GT_ISD_OFS, 0x24000000 >> 21);
- mb();
- gt64120_base = 0xe0000000;
-
- /* ...and the PCI0 view of it. */
- GT_WRITE(GT_PCI0_CFGADDR_OFS, 0x80000020);
- GT_WRITE(GT_PCI0_CFGDATA_OFS, 0x24000000);
- GT_WRITE(GT_PCI0_CFGADDR_OFS, 0x80000024);
- GT_WRITE(GT_PCI0_CFGDATA_OFS, 0x24000001);
-}
-
-/* setup code for a handoff from a version 2 PMON 2000 PROM */
-void PMON_v2_setup()
-{
- /* A wired TLB entry for the GT64120A and the serial port. The
- GT64120A is going to be hit on every IRQ anyway - there's
- absolutely no point in letting it be a random TLB entry, as
- it'll just cause needless churning of the TLB. And we use
- the other half for the serial port, which is just a PITA
- otherwise :)
-
- Device Physical Virtual
- GT64120 Internal Regs 0xf4000000 0xe0000000
- UARTs (CS2) 0xfd000000 0xe0001000
- */
- add_wired_entry(ENTRYLO(0xf4000000), ENTRYLO(0xfD000000), 0xe0000000, PM_4K);
-
- /* Also a temporary entry to let us talk to the Ocelot PLD and NVRAM
- in the CS[012] region. We can't use ioremap() yet. The NVRAM
- is a ST M48T37Y, which includes NVRAM, RTC, and Watchdog functions.
-
- Ocelot PLD (CS0) 0xfc000000 0xe0020000
- NVRAM 0xfc800000 0xe0030000
- */
- add_temporary_entry(ENTRYLO(0xfC000000), ENTRYLO(0xfd000000), 0xe0020000, PM_64K);
-
- gt64120_base = 0xe0000000;
-}
-
-void __init plat_mem_setup(void)
-{
- void (*l3func)(unsigned long)=KSEG1ADDR(&setup_l3cache);
- unsigned int tmpword;
-
- _machine_restart = momenco_ocelot_restart;
- _machine_halt = momenco_ocelot_halt;
- pm_power_off = momenco_ocelot_power_off;
-
- /*
- * initrd_start = (unsigned long)ocelot_initrd_start;
- * initrd_end = (unsigned long)ocelot_initrd_start + (ulong)ocelot_initrd_size;
- * initrd_below_start_ok = 1;
- */
-
- /* do handoff reconfiguration */
- if (gt64120_base == KSEG1ADDR(GT_DEF_BASE))
- PMON_v1_setup();
- else
- PMON_v2_setup();
-
- /* Turn off the Bit-Error LED */
- OCELOT_PLD_WRITE(0x80, INTCLR);
-
- /* Relocate all the PCI1 stuff, not that we use it */
- GT_WRITE(GT_PCI1IOLD_OFS, 0x30000000 >> 21);
- GT_WRITE(GT_PCI1M0LD_OFS, 0x32000000 >> 21);
- GT_WRITE(GT_PCI1M1LD_OFS, 0x34000000 >> 21);
-
- /* Relocate PCI0 I/O and Mem0 */
- GT_WRITE(GT_PCI0IOLD_OFS, 0x20000000 >> 21);
- GT_WRITE(GT_PCI0M0LD_OFS, 0x22000000 >> 21);
-
- /* Relocate PCI0 Mem1 */
- GT_WRITE(GT_PCI0M1LD_OFS, 0x36000000 >> 21);
-
- /* For the initial programming, we assume 512MB configuration */
- /* Relocate the CPU's view of the RAM... */
- GT_WRITE(GT_SCS10LD_OFS, 0);
- GT_WRITE(GT_SCS10HD_OFS, 0x0fe00000 >> 21);
- GT_WRITE(GT_SCS32LD_OFS, 0x10000000 >> 21);
- GT_WRITE(GT_SCS32HD_OFS, 0x0fe00000 >> 21);
-
- GT_WRITE(GT_SCS1LD_OFS, 0xff);
- GT_WRITE(GT_SCS1HD_OFS, 0x00);
- GT_WRITE(GT_SCS0LD_OFS, 0);
- GT_WRITE(GT_SCS0HD_OFS, 0xff);
- GT_WRITE(GT_SCS3LD_OFS, 0xff);
- GT_WRITE(GT_SCS3HD_OFS, 0x00);
- GT_WRITE(GT_SCS2LD_OFS, 0);
- GT_WRITE(GT_SCS2HD_OFS, 0xff);
-
- /* ...and the PCI0 view of it. */
- GT_WRITE(GT_PCI0_CFGADDR_OFS, 0x80000010);
- GT_WRITE(GT_PCI0_CFGDATA_OFS, 0x00000000);
- GT_WRITE(GT_PCI0_CFGADDR_OFS, 0x80000014);
- GT_WRITE(GT_PCI0_CFGDATA_OFS, 0x10000000);
- GT_WRITE(GT_PCI0_BS_SCS10_OFS, 0x0ffff000);
- GT_WRITE(GT_PCI0_BS_SCS32_OFS, 0x0ffff000);
-
- tmpword = OCELOT_PLD_READ(BOARDREV);
- if (tmpword < 26)
- printk("Momenco Ocelot: Board Assembly Rev. %c\n", 'A'+tmpword);
- else
- printk("Momenco Ocelot: Board Assembly Revision #0x%x\n", tmpword);
-
- tmpword = OCELOT_PLD_READ(PLD1_ID);
- printk("PLD 1 ID: %d.%d\n", tmpword>>4, tmpword&15);
- tmpword = OCELOT_PLD_READ(PLD2_ID);
- printk("PLD 2 ID: %d.%d\n", tmpword>>4, tmpword&15);
- tmpword = OCELOT_PLD_READ(RESET_STATUS);
- printk("Reset reason: 0x%x\n", tmpword);
- reset_reason = tmpword;
- OCELOT_PLD_WRITE(0xff, RESET_STATUS);
-
- tmpword = OCELOT_PLD_READ(BOARD_STATUS);
- printk("Board Status register: 0x%02x\n", tmpword);
- printk(" - User jumper: %s\n", (tmpword & 0x80)?"installed":"absent");
- printk(" - Boot flash write jumper: %s\n", (tmpword&0x40)?"installed":"absent");
- printk(" - Tulip PHY %s connected\n", (tmpword&0x10)?"is":"not");
- printk(" - L3 Cache size: %d MiB\n", (1<<((tmpword&12) >> 2))&~1);
- printk(" - SDRAM size: %d MiB\n", 1<<(6+(tmpword&3)));
-
- if (tmpword&12)
- l3func((1<<(((tmpword&12) >> 2)+20)));
-
- switch(tmpword &3) {
- case 3:
- /* 512MiB */
- /* Decoders are allready set -- just add the
- * appropriate region */
- add_memory_region( 0x40<<20, 0xC0<<20, BOOT_MEM_RAM);
- add_memory_region(0x100<<20, 0x100<<20, BOOT_MEM_RAM);
- break;
- case 2:
- /* 256MiB -- two banks of 128MiB */
- GT_WRITE(GT_SCS10HD_OFS, 0x07e00000 >> 21);
- GT_WRITE(GT_SCS32LD_OFS, 0x08000000 >> 21);
- GT_WRITE(GT_SCS32HD_OFS, 0x0fe00000 >> 21);
-
- GT_WRITE(GT_SCS0HD_OFS, 0x7f);
- GT_WRITE(GT_SCS2LD_OFS, 0x80);
- GT_WRITE(GT_SCS2HD_OFS, 0xff);
-
- /* reconfigure the PCI0 interface view of memory */
- GT_WRITE(GT_PCI0_CFGADDR_OFS, 0x80000014);
- GT_WRITE(GT_PCI0_CFGDATA_OFS, 0x08000000);
- GT_WRITE(GT_PCI0_BS_SCS10_OFS, 0x0ffff000);
- GT_WRITE(GT_PCI0_BS_SCS32_OFS, 0x0ffff000);
-
- add_memory_region(0x40<<20, 0x40<<20, BOOT_MEM_RAM);
- add_memory_region(0x80<<20, 0x80<<20, BOOT_MEM_RAM);
- break;
- case 1:
- /* 128MiB -- 64MiB per bank */
- GT_WRITE(GT_SCS10HD_OFS, 0x03e00000 >> 21);
- GT_WRITE(GT_SCS32LD_OFS, 0x04000000 >> 21);
- GT_WRITE(GT_SCS32HD_OFS, 0x07e00000 >> 21);
-
- GT_WRITE(GT_SCS0HD_OFS, 0x3f);
- GT_WRITE(GT_SCS2LD_OFS, 0x40);
- GT_WRITE(GT_SCS2HD_OFS, 0x7f);
-
- /* reconfigure the PCI0 interface view of memory */
- GT_WRITE(GT_PCI0_CFGADDR_OFS, 0x80000014);
- GT_WRITE(GT_PCI0_CFGDATA_OFS, 0x04000000);
- GT_WRITE(GT_PCI0_BS_SCS10_OFS, 0x03fff000);
- GT_WRITE(GT_PCI0_BS_SCS32_OFS, 0x03fff000);
-
- /* add the appropriate region */
- add_memory_region(0x40<<20, 0x40<<20, BOOT_MEM_RAM);
- break;
- case 0:
- /* 64MiB */
- GT_WRITE(GT_SCS10HD_OFS, 0x01e00000 >> 21);
- GT_WRITE(GT_SCS32LD_OFS, 0x02000000 >> 21);
- GT_WRITE(GT_SCS32HD_OFS, 0x03e00000 >> 21);
-
- GT_WRITE(GT_SCS0HD_OFS, 0x1f);
- GT_WRITE(GT_SCS2LD_OFS, 0x20);
- GT_WRITE(GT_SCS2HD_OFS, 0x3f);
-
- /* reconfigure the PCI0 interface view of memory */
- GT_WRITE(GT_PCI0_CFGADDR_OFS, 0x80000014);
- GT_WRITE(GT_PCI0_CFGDATA_OFS, 0x04000000);
- GT_WRITE(GT_PCI0_BS_SCS10_OFS, 0x01fff000);
- GT_WRITE(GT_PCI0_BS_SCS32_OFS, 0x01fff000);
-
- break;
- }
-
- /* Fix up the DiskOnChip mapping */
- GT_WRITE(GT_DEV_B3_OFS, 0xfef73);
-}
-
-extern int rm7k_tcache_enabled;
-/*
- * This runs in KSEG1. See the verbiage in rm7k.c::probe_scache()
- */
-#define Page_Invalidate_T 0x16
-static void __init setup_l3cache(unsigned long size)
-{
- int register i;
- unsigned long tmp;
-
- printk("Enabling L3 cache...");
-
- /* Enable the L3 cache in the GT64120A's CPU Configuration register */
- tmp = GT_READ(GT_CPU_OFS);
- GT_WRITE(GT_CPU_OFS, tmp | (1<<14));
-
- /* Enable the L3 cache in the CPU */
- set_c0_config(1<<12 /* CONF_TE */);
-
- /* Clear the cache */
- write_c0_taglo(0);
- write_c0_taghi(0);
-
- for (i=0; i < size; i+= 4096) {
- __asm__ __volatile__ (
- ".set noreorder\n\t"
- ".set mips3\n\t"
- "cache %1, (%0)\n\t"
- ".set mips0\n\t"
- ".set reorder"
- :
- : "r" (KSEG0ADDR(i)),
- "i" (Page_Invalidate_T));
- }
-
- /* Let the RM7000 MM code know that the tertiary cache is enabled */
- rm7k_tcache_enabled = 1;
-
- printk("Done\n");
-}
-
-
-/* This needs to be one of the first initcalls, because no I/O port access
- can work before this */
-
-static int io_base_ioremap(void)
-{
- void *io_remap_range = ioremap(GT_PCI_IO_BASE, GT_PCI_IO_SIZE);
-
- if (!io_remap_range) {
- panic("Could not ioremap I/O port range");
- }
- set_io_port_base(io_remap_range - GT_PCI_IO_BASE);
-
- return 0;
-}
-
-module_init(io_base_ioremap);