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path: root/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
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Diffstat (limited to 'arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c')
-rw-r--r--arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c1001
1 files changed, 0 insertions, 1001 deletions
diff --git a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c b/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
deleted file mode 100644
index 2203c77b2ce..00000000000
--- a/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c
+++ /dev/null
@@ -1,1001 +0,0 @@
-/*
- * Toshiba rbtx4927 specific setup
- *
- * Author: MontaVista Software, Inc.
- * source@mvista.com
- *
- * Copyright 2001-2002 MontaVista Software Inc.
- *
- * Copyright (C) 1996, 97, 2001, 04 Ralf Baechle (ralf@linux-mips.org)
- * Copyright (C) 2000 RidgeRun, Inc.
- * 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
- *
- * Copyright 2002 MontaVista Software Inc.
- * Author: Michael Pruznick, michael_pruznick@mvista.com
- *
- * Copyright (C) 2000-2001 Toshiba Corporation
- *
- * Copyright (C) 2004 MontaVista Software Inc.
- * Author: Manish Lachwani, mlachwani@mvista.com
- *
- * 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/ioport.h>
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/pm.h>
-#include <linux/platform_device.h>
-#include <linux/clk.h>
-
-#include <asm/bootinfo.h>
-#include <asm/io.h>
-#include <asm/processor.h>
-#include <asm/reboot.h>
-#include <asm/time.h>
-#include <asm/txx9tmr.h>
-#ifdef CONFIG_TOSHIBA_FPCIB0
-#include <asm/tx4927/smsc_fdc37m81x.h>
-#endif
-#include <asm/tx4927/toshiba_rbtx4927.h>
-#ifdef CONFIG_PCI
-#include <asm/tx4927/tx4927_pci.h>
-#endif
-#ifdef CONFIG_SERIAL_TXX9
-#include <linux/serial_core.h>
-#endif
-
-#undef TOSHIBA_RBTX4927_SETUP_DEBUG
-
-#ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
-#define TOSHIBA_RBTX4927_SETUP_SETUP ( 1 << 4 )
-#define TOSHIBA_RBTX4927_SETUP_PCIBIOS ( 1 << 7 )
-#define TOSHIBA_RBTX4927_SETUP_PCI1 ( 1 << 8 )
-#define TOSHIBA_RBTX4927_SETUP_PCI2 ( 1 << 9 )
-
-#define TOSHIBA_RBTX4927_SETUP_ALL 0xffffffff
-#endif
-
-#ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
-static const u32 toshiba_rbtx4927_setup_debug_flag =
- (TOSHIBA_RBTX4927_SETUP_SETUP |
- | TOSHIBA_RBTX4927_SETUP_PCIBIOS | TOSHIBA_RBTX4927_SETUP_PCI1 |
- TOSHIBA_RBTX4927_SETUP_PCI2);
-#endif
-
-#ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
-#define TOSHIBA_RBTX4927_SETUP_DPRINTK(flag,str...) \
- if ( (toshiba_rbtx4927_setup_debug_flag) & (flag) ) \
- { \
- char tmp[100]; \
- sprintf( tmp, str ); \
- printk( "%s(%s:%u)::%s", __func__, __FILE__, __LINE__, tmp ); \
- }
-#else
-#define TOSHIBA_RBTX4927_SETUP_DPRINTK(flag, str...)
-#endif
-
-/* These functions are used for rebooting or halting the machine*/
-extern void toshiba_rbtx4927_restart(char *command);
-extern void toshiba_rbtx4927_halt(void);
-extern void toshiba_rbtx4927_power_off(void);
-
-int tx4927_using_backplane = 0;
-
-extern void toshiba_rbtx4927_irq_setup(void);
-
-char *prom_getcmdline(void);
-
-#ifdef CONFIG_PCI
-#undef TX4927_SUPPORT_COMMAND_IO
-#undef TX4927_SUPPORT_PCI_66
-int tx4927_cpu_clock = 100000000; /* 100MHz */
-unsigned long mips_pci_io_base;
-unsigned long mips_pci_io_size;
-unsigned long mips_pci_mem_base;
-unsigned long mips_pci_mem_size;
-/* for legacy I/O, PCI I/O PCI Bus address must be 0 */
-unsigned long mips_pci_io_pciaddr = 0;
-unsigned long mips_memory_upper;
-static int tx4927_ccfg_toeon = 1;
-static int tx4927_pcic_trdyto = 0; /* default: disabled */
-unsigned long tx4927_ce_base[8];
-void tx4927_reset_pci_pcic(void);
-int tx4927_pci66 = 0; /* 0:auto */
-#endif
-
-char *toshiba_name = "";
-
-#ifdef CONFIG_PCI
-extern struct pci_controller tx4927_controller;
-
-static struct pci_dev *fake_pci_dev(struct pci_controller *hose,
- int top_bus, int busnr, int devfn)
-{
- static struct pci_dev dev;
- static struct pci_bus bus;
-
- dev.sysdata = (void *)hose;
- dev.devfn = devfn;
- bus.number = busnr;
- bus.ops = hose->pci_ops;
- bus.parent = NULL;
- dev.bus = &bus;
-
- return &dev;
-}
-
-#define EARLY_PCI_OP(rw, size, type) \
-static int early_##rw##_config_##size(struct pci_controller *hose, \
- int top_bus, int bus, int devfn, int offset, type value) \
-{ \
- return pci_##rw##_config_##size( \
- fake_pci_dev(hose, top_bus, bus, devfn), \
- offset, value); \
-}
-
-EARLY_PCI_OP(read, byte, u8 *)
-EARLY_PCI_OP(read, dword, u32 *)
-EARLY_PCI_OP(write, byte, u8)
-EARLY_PCI_OP(write, dword, u32)
-
-static int __init tx4927_pcibios_init(void)
-{
- unsigned int id;
- u32 pci_devfn;
- int devfn_start = 0;
- int devfn_stop = 0xff;
- int busno = 0; /* One bus on the Toshiba */
- struct pci_controller *hose = &tx4927_controller;
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- "-\n");
-
- for (pci_devfn = devfn_start; pci_devfn < devfn_stop; pci_devfn++) {
- early_read_config_dword(hose, busno, busno, pci_devfn,
- PCI_VENDOR_ID, &id);
-
- if (id == 0xffffffff) {
- continue;
- }
-
- if (id == 0x94601055) {
- u8 v08_64;
- u32 v32_b0;
- u8 v08_e1;
-#ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
- char *s = " sb/isa --";
-#endif
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS, ":%s beg\n",
- s);
-
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0x64, &v08_64);
- early_read_config_dword(hose, busno, busno,
- pci_devfn, 0xb0, &v32_b0);
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0xe1, &v08_e1);
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s beg 0x64 = 0x%02x\n", s, v08_64);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s beg 0xb0 = 0x%02x\n", s, v32_b0);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s beg 0xe1 = 0x%02x\n", s, v08_e1);
-
- /* serial irq control */
- v08_64 = 0xd0;
-
- /* serial irq pin */
- v32_b0 |= 0x00010000;
-
- /* ide irq on isa14 */
- v08_e1 &= 0xf0;
- v08_e1 |= 0x0d;
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s mid 0x64 = 0x%02x\n", s, v08_64);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s mid 0xb0 = 0x%02x\n", s, v32_b0);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s mid 0xe1 = 0x%02x\n", s, v08_e1);
-
- early_write_config_byte(hose, busno, busno,
- pci_devfn, 0x64, v08_64);
- early_write_config_dword(hose, busno, busno,
- pci_devfn, 0xb0, v32_b0);
- early_write_config_byte(hose, busno, busno,
- pci_devfn, 0xe1, v08_e1);
-
-#ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
- {
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0x64,
- &v08_64);
- early_read_config_dword(hose, busno, busno,
- pci_devfn, 0xb0,
- &v32_b0);
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0xe1,
- &v08_e1);
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s end 0x64 = 0x%02x\n", s, v08_64);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s end 0xb0 = 0x%02x\n", s, v32_b0);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s end 0xe1 = 0x%02x\n", s, v08_e1);
- }
-#endif
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS, ":%s end\n",
- s);
- }
-
- if (id == 0x91301055) {
- u8 v08_04;
- u8 v08_09;
- u8 v08_41;
- u8 v08_43;
- u8 v08_5c;
-#ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
- char *s = " sb/ide --";
-#endif
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS, ":%s beg\n",
- s);
-
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0x04, &v08_04);
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0x09, &v08_09);
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0x41, &v08_41);
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0x43, &v08_43);
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0x5c, &v08_5c);
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s beg 0x04 = 0x%02x\n", s, v08_04);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s beg 0x09 = 0x%02x\n", s, v08_09);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s beg 0x41 = 0x%02x\n", s, v08_41);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s beg 0x43 = 0x%02x\n", s, v08_43);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s beg 0x5c = 0x%02x\n", s, v08_5c);
-
- /* enable ide master/io */
- v08_04 |= (PCI_COMMAND_MASTER | PCI_COMMAND_IO);
-
- /* enable ide native mode */
- v08_09 |= 0x05;
-
- /* enable primary ide */
- v08_41 |= 0x80;
-
- /* enable secondary ide */
- v08_43 |= 0x80;
-
- /*
- * !!! DO NOT REMOVE THIS COMMENT IT IS REQUIRED BY SMSC !!!
- *
- * This line of code is intended to provide the user with a work
- * around solution to the anomalies cited in SMSC's anomaly sheet
- * entitled, "SLC90E66 Functional Rev.J_0.1 Anomalies"".
- *
- * !!! DO NOT REMOVE THIS COMMENT IT IS REQUIRED BY SMSC !!!
- */
- v08_5c |= 0x01;
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s mid 0x04 = 0x%02x\n", s, v08_04);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s mid 0x09 = 0x%02x\n", s, v08_09);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s mid 0x41 = 0x%02x\n", s, v08_41);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s mid 0x43 = 0x%02x\n", s, v08_43);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s mid 0x5c = 0x%02x\n", s, v08_5c);
-
- early_write_config_byte(hose, busno, busno,
- pci_devfn, 0x5c, v08_5c);
- early_write_config_byte(hose, busno, busno,
- pci_devfn, 0x04, v08_04);
- early_write_config_byte(hose, busno, busno,
- pci_devfn, 0x09, v08_09);
- early_write_config_byte(hose, busno, busno,
- pci_devfn, 0x41, v08_41);
- early_write_config_byte(hose, busno, busno,
- pci_devfn, 0x43, v08_43);
-
-#ifdef TOSHIBA_RBTX4927_SETUP_DEBUG
- {
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0x04,
- &v08_04);
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0x09,
- &v08_09);
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0x41,
- &v08_41);
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0x43,
- &v08_43);
- early_read_config_byte(hose, busno, busno,
- pci_devfn, 0x5c,
- &v08_5c);
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s end 0x04 = 0x%02x\n", s, v08_04);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s end 0x09 = 0x%02x\n", s, v08_09);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s end 0x41 = 0x%02x\n", s, v08_41);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s end 0x43 = 0x%02x\n", s, v08_43);
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- ":%s end 0x5c = 0x%02x\n", s, v08_5c);
- }
-#endif
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_PCIBIOS, ":%s end\n",
- s);
- }
-
- }
-
- register_pci_controller(&tx4927_controller);
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCIBIOS,
- "+\n");
-
- return 0;
-}
-
-arch_initcall(tx4927_pcibios_init);
-
-extern struct resource pci_io_resource;
-extern struct resource pci_mem_resource;
-
-void __init tx4927_pci_setup(void)
-{
- static int called = 0;
- extern unsigned int tx4927_get_mem_size(void);
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2, "-\n");
-
- mips_memory_upper = tx4927_get_mem_size() << 20;
- mips_memory_upper += KSEG0;
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
- "0x%08lx=mips_memory_upper\n",
- mips_memory_upper);
- mips_pci_io_base = TX4927_PCIIO;
- mips_pci_io_size = TX4927_PCIIO_SIZE;
- mips_pci_mem_base = TX4927_PCIMEM;
- mips_pci_mem_size = TX4927_PCIMEM_SIZE;
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
- "0x%08lx=mips_pci_io_base\n",
- mips_pci_io_base);
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
- "0x%08lx=mips_pci_io_size\n",
- mips_pci_io_size);
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
- "0x%08lx=mips_pci_mem_base\n",
- mips_pci_mem_base);
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
- "0x%08lx=mips_pci_mem_size\n",
- mips_pci_mem_size);
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
- "0x%08lx=pci_io_resource.start\n",
- pci_io_resource.start);
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
- "0x%08lx=pci_io_resource.end\n",
- pci_io_resource.end);
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
- "0x%08lx=pci_mem_resource.start\n",
- pci_mem_resource.start);
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
- "0x%08lx=pci_mem_resource.end\n",
- pci_mem_resource.end);
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
- "0x%08lx=mips_io_port_base",
- mips_io_port_base);
- if (!called) {
- printk
- ("%s PCIC -- DID:%04x VID:%04x RID:%02x Arbiter:%s\n",
- toshiba_name,
- (unsigned short) (tx4927_pcicptr->pciid >> 16),
- (unsigned short) (tx4927_pcicptr->pciid & 0xffff),
- (unsigned short) (tx4927_pcicptr->pciccrev & 0xff),
- (!(tx4927_ccfgptr->
- ccfg & TX4927_CCFG_PCIXARB)) ? "External" :
- "Internal");
- called = 1;
- }
- printk("%s PCIC --%s PCICLK:", toshiba_name,
- (tx4927_ccfgptr->ccfg & TX4927_CCFG_PCI66) ? " PCI66" : "");
- if (tx4927_ccfgptr->pcfg & TX4927_PCFG_PCICLKEN_ALL) {
- int pciclk = 0;
- if (mips_machtype == MACH_TOSHIBA_RBTX4937)
- switch ((unsigned long) tx4927_ccfgptr->
- ccfg & TX4937_CCFG_PCIDIVMODE_MASK) {
- case TX4937_CCFG_PCIDIVMODE_4:
- pciclk = tx4927_cpu_clock / 4;
- break;
- case TX4937_CCFG_PCIDIVMODE_4_5:
- pciclk = tx4927_cpu_clock * 2 / 9;
- break;
- case TX4937_CCFG_PCIDIVMODE_5:
- pciclk = tx4927_cpu_clock / 5;
- break;
- case TX4937_CCFG_PCIDIVMODE_5_5:
- pciclk = tx4927_cpu_clock * 2 / 11;
- break;
- case TX4937_CCFG_PCIDIVMODE_8:
- pciclk = tx4927_cpu_clock / 8;
- break;
- case TX4937_CCFG_PCIDIVMODE_9:
- pciclk = tx4927_cpu_clock / 9;
- break;
- case TX4937_CCFG_PCIDIVMODE_10:
- pciclk = tx4927_cpu_clock / 10;
- break;
- case TX4937_CCFG_PCIDIVMODE_11:
- pciclk = tx4927_cpu_clock / 11;
- break;
- }
-
- else
- switch ((unsigned long) tx4927_ccfgptr->
- ccfg & TX4927_CCFG_PCIDIVMODE_MASK) {
- case TX4927_CCFG_PCIDIVMODE_2_5:
- pciclk = tx4927_cpu_clock * 2 / 5;
- break;
- case TX4927_CCFG_PCIDIVMODE_3:
- pciclk = tx4927_cpu_clock / 3;
- break;
- case TX4927_CCFG_PCIDIVMODE_5:
- pciclk = tx4927_cpu_clock / 5;
- break;
- case TX4927_CCFG_PCIDIVMODE_6:
- pciclk = tx4927_cpu_clock / 6;
- break;
- }
-
- printk("Internal(%dMHz)", pciclk / 1000000);
- } else {
- int pciclk = 0;
- int pciclk_setting = *tx4927_pci_clk_ptr;
- switch (pciclk_setting & TX4927_PCI_CLK_MASK) {
- case TX4927_PCI_CLK_33:
- pciclk = 33333333;
- break;
- case TX4927_PCI_CLK_25:
- pciclk = 25000000;
- break;
- case TX4927_PCI_CLK_66:
- pciclk = 66666666;
- break;
- case TX4927_PCI_CLK_50:
- pciclk = 50000000;
- break;
- }
- printk("External(%dMHz)", pciclk / 1000000);
- }
- printk("\n");
-
-
-
- /* GB->PCI mappings */
- tx4927_pcicptr->g2piomask = (mips_pci_io_size - 1) >> 4;
- tx4927_pcicptr->g2piogbase = mips_pci_io_base |
-#ifdef __BIG_ENDIAN
- TX4927_PCIC_G2PIOGBASE_ECHG
-#else
- TX4927_PCIC_G2PIOGBASE_BSDIS
-#endif
- ;
-
- tx4927_pcicptr->g2piopbase = 0;
-
- tx4927_pcicptr->g2pmmask[0] = (mips_pci_mem_size - 1) >> 4;
- tx4927_pcicptr->g2pmgbase[0] = mips_pci_mem_base |
-#ifdef __BIG_ENDIAN
- TX4927_PCIC_G2PMnGBASE_ECHG
-#else
- TX4927_PCIC_G2PMnGBASE_BSDIS
-#endif
- ;
- tx4927_pcicptr->g2pmpbase[0] = mips_pci_mem_base;
-
- tx4927_pcicptr->g2pmmask[1] = 0;
- tx4927_pcicptr->g2pmgbase[1] = 0;
- tx4927_pcicptr->g2pmpbase[1] = 0;
- tx4927_pcicptr->g2pmmask[2] = 0;
- tx4927_pcicptr->g2pmgbase[2] = 0;
- tx4927_pcicptr->g2pmpbase[2] = 0;
-
-
- /* PCI->GB mappings (I/O 256B) */
- tx4927_pcicptr->p2giopbase = 0; /* 256B */
-
- /* PCI->GB mappings (MEM 512MB) M0 gets all of memory */
- tx4927_pcicptr->p2gm0plbase = 0;
- tx4927_pcicptr->p2gm0pubase = 0;
- tx4927_pcicptr->p2gmgbase[0] = 0 | TX4927_PCIC_P2GMnGBASE_TMEMEN |
-#ifdef __BIG_ENDIAN
- TX4927_PCIC_P2GMnGBASE_TECHG
-#else
- TX4927_PCIC_P2GMnGBASE_TBSDIS
-#endif
- ;
-
- /* PCI->GB mappings (MEM 16MB) -not used */
- tx4927_pcicptr->p2gm1plbase = 0xffffffff;
- tx4927_pcicptr->p2gm1pubase = 0xffffffff;
- tx4927_pcicptr->p2gmgbase[1] = 0;
-
- /* PCI->GB mappings (MEM 1MB) -not used */
- tx4927_pcicptr->p2gm2pbase = 0xffffffff;
- tx4927_pcicptr->p2gmgbase[2] = 0;
-
-
- /* Enable Initiator Memory 0 Space, I/O Space, Config */
- tx4927_pcicptr->pciccfg &= TX4927_PCIC_PCICCFG_LBWC_MASK;
- tx4927_pcicptr->pciccfg |=
- TX4927_PCIC_PCICCFG_IMSE0 | TX4927_PCIC_PCICCFG_IISE |
- TX4927_PCIC_PCICCFG_ICAE | TX4927_PCIC_PCICCFG_ATR;
-
-
- /* Do not use MEMMUL, MEMINF: YMFPCI card causes M_ABORT. */
- tx4927_pcicptr->pcicfg1 = 0;
-
- if (tx4927_pcic_trdyto >= 0) {
- tx4927_pcicptr->g2ptocnt &= ~0xff;
- tx4927_pcicptr->g2ptocnt |= (tx4927_pcic_trdyto & 0xff);
- }
-
- /* Clear All Local Bus Status */
- tx4927_pcicptr->pcicstatus = TX4927_PCIC_PCICSTATUS_ALL;
- /* Enable All Local Bus Interrupts */
- tx4927_pcicptr->pcicmask = TX4927_PCIC_PCICSTATUS_ALL;
- /* Clear All Initiator Status */
- tx4927_pcicptr->g2pstatus = TX4927_PCIC_G2PSTATUS_ALL;
- /* Enable All Initiator Interrupts */
- tx4927_pcicptr->g2pmask = TX4927_PCIC_G2PSTATUS_ALL;
- /* Clear All PCI Status Error */
- tx4927_pcicptr->pcistatus =
- (tx4927_pcicptr->pcistatus & 0x0000ffff) |
- (TX4927_PCIC_PCISTATUS_ALL << 16);
- /* Enable All PCI Status Error Interrupts */
- tx4927_pcicptr->pcimask = TX4927_PCIC_PCISTATUS_ALL;
-
- /* PCIC Int => IRC IRQ16 */
- tx4927_pcicptr->pcicfg2 =
- (tx4927_pcicptr->pcicfg2 & 0xffffff00) | TX4927_IR_PCIC;
-
- if (!(tx4927_ccfgptr->ccfg & TX4927_CCFG_PCIXARB)) {
- /* XXX */
- } else {
- /* Reset Bus Arbiter */
- tx4927_pcicptr->pbacfg = TX4927_PCIC_PBACFG_RPBA;
- /* Enable Bus Arbiter */
- tx4927_pcicptr->pbacfg = TX4927_PCIC_PBACFG_PBAEN;
- }
-
- tx4927_pcicptr->pcistatus = PCI_COMMAND_MASTER |
- PCI_COMMAND_MEMORY |
- PCI_COMMAND_PARITY | PCI_COMMAND_SERR;
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2,
- ":pci setup complete:\n");
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI2, "+\n");
-}
-
-#endif /* CONFIG_PCI */
-
-static void __noreturn wait_forever(void)
-{
- while (1)
- if (cpu_wait)
- (*cpu_wait)();
-}
-
-void toshiba_rbtx4927_restart(char *command)
-{
- printk(KERN_NOTICE "System Rebooting...\n");
-
- /* enable the s/w reset register */
- writeb(RBTX4927_SW_RESET_ENABLE_SET, RBTX4927_SW_RESET_ENABLE);
-
- /* wait for enable to be seen */
- while ((readb(RBTX4927_SW_RESET_ENABLE) &
- RBTX4927_SW_RESET_ENABLE_SET) == 0x00);
-
- /* do a s/w reset */
- writeb(RBTX4927_SW_RESET_DO_SET, RBTX4927_SW_RESET_DO);
-
- /* do something passive while waiting for reset */
- local_irq_disable();
- wait_forever();
- /* no return */
-}
-
-
-void toshiba_rbtx4927_halt(void)
-{
- printk(KERN_NOTICE "System Halted\n");
- local_irq_disable();
- wait_forever();
- /* no return */
-}
-
-void toshiba_rbtx4927_power_off(void)
-{
- toshiba_rbtx4927_halt();
- /* no return */
-}
-
-void __init plat_mem_setup(void)
-{
- int i;
- u32 cp0_config;
- char *argptr;
-
- printk("CPU is %s\n", toshiba_name);
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
- "-\n");
-
- /* f/w leaves this on at startup */
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
- ":Clearing STO_ERL.\n");
- clear_c0_status(ST0_ERL);
-
- /* enable caches -- HCP5 does this, pmon does not */
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
- ":Enabling TX49_CONF_IC,TX49_CONF_DC.\n");
- cp0_config = read_c0_config();
- cp0_config = cp0_config & ~(TX49_CONF_IC | TX49_CONF_DC);
- write_c0_config(cp0_config);
-
- set_io_port_base(KSEG1 + TBTX4927_ISA_IO_OFFSET);
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
- ":mips_io_port_base=0x%08lx\n",
- mips_io_port_base);
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
- ":Resource\n");
- ioport_resource.end = 0xffffffff;
- iomem_resource.end = 0xffffffff;
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
- ":ResetRoutines\n");
- _machine_restart = toshiba_rbtx4927_restart;
- _machine_halt = toshiba_rbtx4927_halt;
- pm_power_off = toshiba_rbtx4927_power_off;
-
- for (i = 0; i < TX4927_NR_TMR; i++)
- txx9_tmr_init(TX4927_TMR_REG(0) & 0xfffffffffULL);
-
-#ifdef CONFIG_PCI
-
- /* PCIC */
- /*
- * ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz.
- *
- * For TX4927:
- * PCIDIVMODE[12:11]'s initial value is given by S9[4:3] (ON:0, OFF:1).
- * CPU 166MHz: PCI 66MHz : PCIDIVMODE: 00 (1/2.5)
- * CPU 200MHz: PCI 66MHz : PCIDIVMODE: 01 (1/3)
- * CPU 166MHz: PCI 33MHz : PCIDIVMODE: 10 (1/5)
- * CPU 200MHz: PCI 33MHz : PCIDIVMODE: 11 (1/6)
- * i.e. S9[3]: ON (83MHz), OFF (100MHz)
- *
- * For TX4937:
- * PCIDIVMODE[12:11]'s initial value is given by S1[5:4] (ON:0, OFF:1)
- * PCIDIVMODE[10] is 0.
- * CPU 266MHz: PCI 33MHz : PCIDIVMODE: 000 (1/8)
- * CPU 266MHz: PCI 66MHz : PCIDIVMODE: 001 (1/4)
- * CPU 300MHz: PCI 33MHz : PCIDIVMODE: 010 (1/9)
- * CPU 300MHz: PCI 66MHz : PCIDIVMODE: 011 (1/4.5)
- * CPU 333MHz: PCI 33MHz : PCIDIVMODE: 100 (1/10)
- * CPU 333MHz: PCI 66MHz : PCIDIVMODE: 101 (1/5)
- *
- */
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI1,
- "ccfg is %lx, PCIDIVMODE is %x\n",
- (unsigned long) tx4927_ccfgptr->ccfg,
- (unsigned long) tx4927_ccfgptr->ccfg &
- (mips_machtype == MACH_TOSHIBA_RBTX4937 ?
- TX4937_CCFG_PCIDIVMODE_MASK :
- TX4927_CCFG_PCIDIVMODE_MASK));
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_PCI1,
- "PCI66 mode is %lx, PCI mode is %lx, pci arb is %lx\n",
- (unsigned long) tx4927_ccfgptr->
- ccfg & TX4927_CCFG_PCI66,
- (unsigned long) tx4927_ccfgptr->
- ccfg & TX4927_CCFG_PCIMIDE,
- (unsigned long) tx4927_ccfgptr->
- ccfg & TX4927_CCFG_PCIXARB);
-
- if (mips_machtype == MACH_TOSHIBA_RBTX4937)
- switch ((unsigned long)tx4927_ccfgptr->
- ccfg & TX4937_CCFG_PCIDIVMODE_MASK) {
- case TX4937_CCFG_PCIDIVMODE_8:
- case TX4937_CCFG_PCIDIVMODE_4:
- tx4927_cpu_clock = 266666666; /* 266MHz */
- break;
- case TX4937_CCFG_PCIDIVMODE_9:
- case TX4937_CCFG_PCIDIVMODE_4_5:
- tx4927_cpu_clock = 300000000; /* 300MHz */
- break;
- default:
- tx4927_cpu_clock = 333333333; /* 333MHz */
- }
- else
- switch ((unsigned long)tx4927_ccfgptr->
- ccfg & TX4927_CCFG_PCIDIVMODE_MASK) {
- case TX4927_CCFG_PCIDIVMODE_2_5:
- case TX4927_CCFG_PCIDIVMODE_5:
- tx4927_cpu_clock = 166666666; /* 166MHz */
- break;
- default:
- tx4927_cpu_clock = 200000000; /* 200MHz */
- }
-
- /* CCFG */
- /* do reset on watchdog */
- tx4927_ccfgptr->ccfg |= TX4927_CCFG_WR;
- /* enable Timeout BusError */
- if (tx4927_ccfg_toeon)
- tx4927_ccfgptr->ccfg |= TX4927_CCFG_TOE;
-
- tx4927_pci_setup();
- if (tx4927_using_backplane == 1)
- printk("backplane board IS installed\n");
- else
- printk("No Backplane \n");
-
- /* this is on ISA bus behind PCI bus, so need PCI up first */
-#ifdef CONFIG_TOSHIBA_FPCIB0
- {
- if (tx4927_using_backplane) {
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_SETUP,
- ":fpcibo=yes\n");
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_SETUP,
- ":smsc_fdc37m81x_init()\n");
- smsc_fdc37m81x_init(0x3f0);
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_SETUP,
- ":smsc_fdc37m81x_config_beg()\n");
- smsc_fdc37m81x_config_beg();
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_SETUP,
- ":smsc_fdc37m81x_config_set(KBD)\n");
- smsc_fdc37m81x_config_set(SMSC_FDC37M81X_DNUM,
- SMSC_FDC37M81X_KBD);
- smsc_fdc37m81x_config_set(SMSC_FDC37M81X_INT, 1);
- smsc_fdc37m81x_config_set(SMSC_FDC37M81X_INT2, 12);
- smsc_fdc37m81x_config_set(SMSC_FDC37M81X_ACTIVE,
- 1);
-
- smsc_fdc37m81x_config_end();
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_SETUP,
- ":smsc_fdc37m81x_config_end()\n");
- } else {
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_SETUP,
- ":fpcibo=not_found\n");
- }
- }
-#else
- {
- TOSHIBA_RBTX4927_SETUP_DPRINTK
- (TOSHIBA_RBTX4927_SETUP_SETUP, ":fpcibo=no\n");
- }
-#endif
-
-#endif /* CONFIG_PCI */
-
-#ifdef CONFIG_SERIAL_TXX9
- {
- extern int early_serial_txx9_setup(struct uart_port *port);
- struct uart_port req;
- for(i = 0; i < 2; i++) {
- memset(&req, 0, sizeof(req));
- req.line = i;
- req.iotype = UPIO_MEM;
- req.membase = (char *)(0xff1ff300 + i * 0x100);
- req.mapbase = 0xff1ff300 + i * 0x100;
- req.irq = TX4927_IRQ_PIC_BEG + 8 + i;
- req.flags |= UPF_BUGGY_UART /*HAVE_CTS_LINE*/;
- req.uartclk = 50000000;
- early_serial_txx9_setup(&req);
- }
- }
-#ifdef CONFIG_SERIAL_TXX9_CONSOLE
- argptr = prom_getcmdline();
- if (strstr(argptr, "console=") == NULL) {
- strcat(argptr, " console=ttyS0,38400");
- }
-#endif
-#endif
-
-#ifdef CONFIG_ROOT_NFS
- argptr = prom_getcmdline();
- if (strstr(argptr, "root=") == NULL) {
- strcat(argptr, " root=/dev/nfs rw");
- }
-#endif
-
-
-#ifdef CONFIG_IP_PNP
- argptr = prom_getcmdline();
- if (strstr(argptr, "ip=") == NULL) {
- strcat(argptr, " ip=any");
- }
-#endif
-
-
- TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_SETUP,
- "+\n");
-}
-
-void __init plat_time_init(void)
-{
- mips_hpt_frequency = tx4927_cpu_clock / 2;
- if (tx4927_ccfgptr->ccfg & TX4927_CCFG_TINTDIS)
- txx9_clockevent_init(TX4927_TMR_REG(0) & 0xfffffffffULL,
- TXX9_IRQ_BASE + 17,
- 50000000);
-}
-
-static int __init toshiba_rbtx4927_rtc_init(void)
-{
- static struct resource __initdata res = {
- .start = 0x1c010000,
- .end = 0x1c010000 + 0x800 - 1,
- .flags = IORESOURCE_MEM,
- };
- struct platform_device *dev =
- platform_device_register_simple("rtc-ds1742", -1, &res, 1);
- return IS_ERR(dev) ? PTR_ERR(dev) : 0;
-}
-device_initcall(toshiba_rbtx4927_rtc_init);
-
-static int __init rbtx4927_ne_init(void)
-{
- static struct resource __initdata res[] = {
- {
- .start = RBTX4927_RTL_8019_BASE,
- .end = RBTX4927_RTL_8019_BASE + 0x20 - 1,
- .flags = IORESOURCE_IO,
- }, {
- .start = RBTX4927_RTL_8019_IRQ,
- .flags = IORESOURCE_IRQ,
- }
- };
- struct platform_device *dev =
- platform_device_register_simple("ne", -1,
- res, ARRAY_SIZE(res));
- return IS_ERR(dev) ? PTR_ERR(dev) : 0;
-}
-device_initcall(rbtx4927_ne_init);
-
-/* Watchdog support */
-
-static int __init txx9_wdt_init(unsigned long base)
-{
- struct resource res = {
- .start = base,
- .end = base + 0x100 - 1,
- .flags = IORESOURCE_MEM,
- };
- struct platform_device *dev =
- platform_device_register_simple("txx9wdt", -1, &res, 1);
- return IS_ERR(dev) ? PTR_ERR(dev) : 0;
-}
-
-static int __init rbtx4927_wdt_init(void)
-{
- return txx9_wdt_init(TX4927_TMR_REG(2) & 0xfffffffffULL);
-}
-device_initcall(rbtx4927_wdt_init);
-
-/* Minimum CLK support */
-
-struct clk *clk_get(struct device *dev, const char *id)
-{
- if (!strcmp(id, "imbus_clk"))
- return (struct clk *)50000000;
- return ERR_PTR(-ENOENT);
-}
-EXPORT_SYMBOL(clk_get);
-
-int clk_enable(struct clk *clk)
-{
- return 0;
-}
-EXPORT_SYMBOL(clk_enable);
-
-void clk_disable(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_disable);
-
-unsigned long clk_get_rate(struct clk *clk)
-{
- return (unsigned long)clk;
-}
-EXPORT_SYMBOL(clk_get_rate);
-
-void clk_put(struct clk *clk)
-{
-}
-EXPORT_SYMBOL(clk_put);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-04 11:17:58 +0000