diff options
Diffstat (limited to 'arch/mips/txx9/rbtx4927')
| -rw-r--r-- | arch/mips/txx9/rbtx4927/Makefile | 2 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4927/irq.c | 198 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4927/prom.c | 42 | ||||
| -rw-r--r-- | arch/mips/txx9/rbtx4927/setup.c | 380 |
4 files changed, 622 insertions, 0 deletions
diff --git a/arch/mips/txx9/rbtx4927/Makefile b/arch/mips/txx9/rbtx4927/Makefile new file mode 100644 index 000000000..08a02aebd --- /dev/null +++ b/arch/mips/txx9/rbtx4927/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0-only +obj-y += prom.o setup.o irq.o diff --git a/arch/mips/txx9/rbtx4927/irq.c b/arch/mips/txx9/rbtx4927/irq.c new file mode 100644 index 000000000..3f48292c9 --- /dev/null +++ b/arch/mips/txx9/rbtx4927/irq.c @@ -0,0 +1,198 @@ +/* + * Toshiba RBTX4927 specific interrupt handlers + * + * Author: MontaVista Software, Inc. + * source@mvista.com + * + * Copyright 2001-2002 MontaVista Software Inc. + * + * 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. + */ +/* + * I8259A_IRQ_BASE+00 + * I8259A_IRQ_BASE+01 PS2/Keyboard + * I8259A_IRQ_BASE+02 Cascade RBTX4927-ISA (irqs 8-15) + * I8259A_IRQ_BASE+03 + * I8259A_IRQ_BASE+04 + * I8259A_IRQ_BASE+05 + * I8259A_IRQ_BASE+06 + * I8259A_IRQ_BASE+07 + * I8259A_IRQ_BASE+08 + * I8259A_IRQ_BASE+09 + * I8259A_IRQ_BASE+10 + * I8259A_IRQ_BASE+11 + * I8259A_IRQ_BASE+12 PS2/Mouse (not supported at this time) + * I8259A_IRQ_BASE+13 + * I8259A_IRQ_BASE+14 IDE + * I8259A_IRQ_BASE+15 + * + * MIPS_CPU_IRQ_BASE+00 Software 0 + * MIPS_CPU_IRQ_BASE+01 Software 1 + * MIPS_CPU_IRQ_BASE+02 Cascade TX4927-CP0 + * MIPS_CPU_IRQ_BASE+03 Multiplexed -- do not use + * MIPS_CPU_IRQ_BASE+04 Multiplexed -- do not use + * MIPS_CPU_IRQ_BASE+05 Multiplexed -- do not use + * MIPS_CPU_IRQ_BASE+06 Multiplexed -- do not use + * MIPS_CPU_IRQ_BASE+07 CPU TIMER + * + * TXX9_IRQ_BASE+00 + * TXX9_IRQ_BASE+01 + * TXX9_IRQ_BASE+02 + * TXX9_IRQ_BASE+03 Cascade RBTX4927-IOC + * TXX9_IRQ_BASE+04 + * TXX9_IRQ_BASE+05 RBTX4927 RTL-8019AS ethernet + * TXX9_IRQ_BASE+06 + * TXX9_IRQ_BASE+07 + * TXX9_IRQ_BASE+08 TX4927 SerialIO Channel 0 + * TXX9_IRQ_BASE+09 TX4927 SerialIO Channel 1 + * TXX9_IRQ_BASE+10 + * TXX9_IRQ_BASE+11 + * TXX9_IRQ_BASE+12 + * TXX9_IRQ_BASE+13 + * TXX9_IRQ_BASE+14 + * TXX9_IRQ_BASE+15 + * TXX9_IRQ_BASE+16 TX4927 PCI PCI-C + * TXX9_IRQ_BASE+17 + * TXX9_IRQ_BASE+18 + * TXX9_IRQ_BASE+19 + * TXX9_IRQ_BASE+20 + * TXX9_IRQ_BASE+21 + * TXX9_IRQ_BASE+22 TX4927 PCI PCI-ERR + * TXX9_IRQ_BASE+23 TX4927 PCI PCI-PMA (not used) + * TXX9_IRQ_BASE+24 + * TXX9_IRQ_BASE+25 + * TXX9_IRQ_BASE+26 + * TXX9_IRQ_BASE+27 + * TXX9_IRQ_BASE+28 + * TXX9_IRQ_BASE+29 + * TXX9_IRQ_BASE+30 + * TXX9_IRQ_BASE+31 + * + * RBTX4927_IRQ_IOC+00 FPCIB0 PCI-D (SouthBridge) + * RBTX4927_IRQ_IOC+01 FPCIB0 PCI-C (SouthBridge) + * RBTX4927_IRQ_IOC+02 FPCIB0 PCI-B (SouthBridge/IDE/pin=1,INTR) + * RBTX4927_IRQ_IOC+03 FPCIB0 PCI-A (SouthBridge/USB/pin=4) + * RBTX4927_IRQ_IOC+04 + * RBTX4927_IRQ_IOC+05 + * RBTX4927_IRQ_IOC+06 + * RBTX4927_IRQ_IOC+07 + * + * NOTES: + * SouthBridge/INTR is mapped to SouthBridge/A=PCI-B/#58 + * SouthBridge/ISA/pin=0 no pci irq used by this device + * SouthBridge/IDE/pin=1 no pci irq used by this device, using INTR + * via ISA IRQ14 + * SouthBridge/USB/pin=4 using pci irq SouthBridge/D=PCI-A=#59 + * SouthBridge/PMC/pin=0 no pci irq used by this device + * SuperIO/PS2/Keyboard, using INTR via ISA IRQ1 + * SuperIO/PS2/Mouse, using INTR via ISA IRQ12 (mouse not currently supported) + * JP7 is not bus master -- do NOT use -- only 4 pci bus master's + * allowed -- SouthBridge, JP4, JP5, JP6 + */ + +#include <linux/init.h> +#include <linux/types.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <asm/io.h> +#include <asm/mipsregs.h> +#include <asm/txx9/generic.h> +#include <asm/txx9/rbtx4927.h> + +static int toshiba_rbtx4927_irq_nested(int sw_irq) +{ + u8 level3; + + level3 = readb(rbtx4927_imstat_addr) & 0x1f; + if (unlikely(!level3)) + return -1; + return RBTX4927_IRQ_IOC + __fls8(level3); +} + +static void toshiba_rbtx4927_irq_ioc_enable(struct irq_data *d) +{ + unsigned char v; + + v = readb(rbtx4927_imask_addr); + v |= (1 << (d->irq - RBTX4927_IRQ_IOC)); + writeb(v, rbtx4927_imask_addr); +} + +static void toshiba_rbtx4927_irq_ioc_disable(struct irq_data *d) +{ + unsigned char v; + + v = readb(rbtx4927_imask_addr); + v &= ~(1 << (d->irq - RBTX4927_IRQ_IOC)); + writeb(v, rbtx4927_imask_addr); + mmiowb(); +} + +#define TOSHIBA_RBTX4927_IOC_NAME "RBTX4927-IOC" +static struct irq_chip toshiba_rbtx4927_irq_ioc_type = { + .name = TOSHIBA_RBTX4927_IOC_NAME, + .irq_mask = toshiba_rbtx4927_irq_ioc_disable, + .irq_unmask = toshiba_rbtx4927_irq_ioc_enable, +}; + +static void __init toshiba_rbtx4927_irq_ioc_init(void) +{ + int i; + + /* mask all IOC interrupts */ + writeb(0, rbtx4927_imask_addr); + /* clear SoftInt interrupts */ + writeb(0, rbtx4927_softint_addr); + + for (i = RBTX4927_IRQ_IOC; + i < RBTX4927_IRQ_IOC + RBTX4927_NR_IRQ_IOC; i++) + irq_set_chip_and_handler(i, &toshiba_rbtx4927_irq_ioc_type, + handle_level_irq); + irq_set_chained_handler(RBTX4927_IRQ_IOCINT, handle_simple_irq); +} + +static int rbtx4927_irq_dispatch(int pending) +{ + int irq; + + if (pending & STATUSF_IP7) /* cpu timer */ + irq = MIPS_CPU_IRQ_BASE + 7; + else if (pending & STATUSF_IP2) { /* tx4927 pic */ + irq = txx9_irq(); + if (irq == RBTX4927_IRQ_IOCINT) + irq = toshiba_rbtx4927_irq_nested(irq); + } else if (pending & STATUSF_IP0) /* user line 0 */ + irq = MIPS_CPU_IRQ_BASE + 0; + else if (pending & STATUSF_IP1) /* user line 1 */ + irq = MIPS_CPU_IRQ_BASE + 1; + else + irq = -1; + return irq; +} + +void __init rbtx4927_irq_setup(void) +{ + txx9_irq_dispatch = rbtx4927_irq_dispatch; + tx4927_irq_init(); + toshiba_rbtx4927_irq_ioc_init(); + /* Onboard 10M Ether: High Active */ + irq_set_irq_type(RBTX4927_RTL_8019_IRQ, IRQF_TRIGGER_HIGH); +} diff --git a/arch/mips/txx9/rbtx4927/prom.c b/arch/mips/txx9/rbtx4927/prom.c new file mode 100644 index 000000000..9b4acff82 --- /dev/null +++ b/arch/mips/txx9/rbtx4927/prom.c @@ -0,0 +1,42 @@ +/* + * rbtx4927 specific prom routines + * + * Author: MontaVista Software, Inc. + * source@mvista.com + * + * Copyright 2001-2002 MontaVista Software Inc. + * + * 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/memblock.h> +#include <asm/txx9/generic.h> +#include <asm/txx9/rbtx4927.h> + +void __init rbtx4927_prom_init(void) +{ + memblock_add(0, tx4927_get_mem_size()); + txx9_sio_putchar_init(TX4927_SIO_REG(0) & 0xfffffffffULL); +} diff --git a/arch/mips/txx9/rbtx4927/setup.c b/arch/mips/txx9/rbtx4927/setup.c new file mode 100644 index 000000000..31955c1d5 --- /dev/null +++ b/arch/mips/txx9/rbtx4927/setup.c @@ -0,0 +1,380 @@ +/* + * 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/platform_device.h> +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/leds.h> +#include <asm/io.h> +#include <asm/reboot.h> +#include <asm/txx9pio.h> +#include <asm/txx9/generic.h> +#include <asm/txx9/pci.h> +#include <asm/txx9/rbtx4927.h> +#include <asm/txx9/tx4938.h> /* for TX4937 */ + +#ifdef CONFIG_PCI +static void __init tx4927_pci_setup(void) +{ + int extarb = !(__raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_PCIARB); + struct pci_controller *c = &txx9_primary_pcic; + + register_pci_controller(c); + + if (__raw_readq(&tx4927_ccfgptr->ccfg) & TX4927_CCFG_PCI66) + txx9_pci_option = + (txx9_pci_option & ~TXX9_PCI_OPT_CLK_MASK) | + TXX9_PCI_OPT_CLK_66; /* already configured */ + + /* Reset PCI Bus */ + writeb(1, rbtx4927_pcireset_addr); + /* Reset PCIC */ + txx9_set64(&tx4927_ccfgptr->clkctr, TX4927_CLKCTR_PCIRST); + if ((txx9_pci_option & TXX9_PCI_OPT_CLK_MASK) == + TXX9_PCI_OPT_CLK_66) + tx4927_pciclk66_setup(); + mdelay(10); + /* clear PCIC reset */ + txx9_clear64(&tx4927_ccfgptr->clkctr, TX4927_CLKCTR_PCIRST); + writeb(0, rbtx4927_pcireset_addr); + iob(); + + tx4927_report_pciclk(); + tx4927_pcic_setup(tx4927_pcicptr, c, extarb); + if ((txx9_pci_option & TXX9_PCI_OPT_CLK_MASK) == + TXX9_PCI_OPT_CLK_AUTO && + txx9_pci66_check(c, 0, 0)) { + /* Reset PCI Bus */ + writeb(1, rbtx4927_pcireset_addr); + /* Reset PCIC */ + txx9_set64(&tx4927_ccfgptr->clkctr, TX4927_CLKCTR_PCIRST); + tx4927_pciclk66_setup(); + mdelay(10); + /* clear PCIC reset */ + txx9_clear64(&tx4927_ccfgptr->clkctr, TX4927_CLKCTR_PCIRST); + writeb(0, rbtx4927_pcireset_addr); + iob(); + /* Reinitialize PCIC */ + tx4927_report_pciclk(); + tx4927_pcic_setup(tx4927_pcicptr, c, extarb); + } + tx4927_setup_pcierr_irq(); +} + +static void __init tx4937_pci_setup(void) +{ + int extarb = !(__raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_PCIARB); + struct pci_controller *c = &txx9_primary_pcic; + + register_pci_controller(c); + + if (__raw_readq(&tx4938_ccfgptr->ccfg) & TX4938_CCFG_PCI66) + txx9_pci_option = + (txx9_pci_option & ~TXX9_PCI_OPT_CLK_MASK) | + TXX9_PCI_OPT_CLK_66; /* already configured */ + + /* Reset PCI Bus */ + writeb(1, rbtx4927_pcireset_addr); + /* Reset PCIC */ + txx9_set64(&tx4938_ccfgptr->clkctr, TX4938_CLKCTR_PCIRST); + if ((txx9_pci_option & TXX9_PCI_OPT_CLK_MASK) == + TXX9_PCI_OPT_CLK_66) + tx4938_pciclk66_setup(); + mdelay(10); + /* clear PCIC reset */ + txx9_clear64(&tx4938_ccfgptr->clkctr, TX4938_CLKCTR_PCIRST); + writeb(0, rbtx4927_pcireset_addr); + iob(); + + tx4938_report_pciclk(); + tx4927_pcic_setup(tx4938_pcicptr, c, extarb); + if ((txx9_pci_option & TXX9_PCI_OPT_CLK_MASK) == + TXX9_PCI_OPT_CLK_AUTO && + txx9_pci66_check(c, 0, 0)) { + /* Reset PCI Bus */ + writeb(1, rbtx4927_pcireset_addr); + /* Reset PCIC */ + txx9_set64(&tx4938_ccfgptr->clkctr, TX4938_CLKCTR_PCIRST); + tx4938_pciclk66_setup(); + mdelay(10); + /* clear PCIC reset */ + txx9_clear64(&tx4938_ccfgptr->clkctr, TX4938_CLKCTR_PCIRST); + writeb(0, rbtx4927_pcireset_addr); + iob(); + /* Reinitialize PCIC */ + tx4938_report_pciclk(); + tx4927_pcic_setup(tx4938_pcicptr, c, extarb); + } + tx4938_setup_pcierr_irq(); +} +#else +static inline void tx4927_pci_setup(void) {} +static inline void tx4937_pci_setup(void) {} +#endif /* CONFIG_PCI */ + +static void __init rbtx4927_gpio_init(void) +{ + /* TX4927-SIO DTR on (PIO[15]) */ + gpio_request(15, "sio-dtr"); + gpio_direction_output(15, 1); + + tx4927_sio_init(0, 0); +} + +static void __init rbtx4927_arch_init(void) +{ + txx9_gpio_init(TX4927_PIO_REG & 0xfffffffffULL, 0, TX4927_NUM_PIO); + + rbtx4927_gpio_init(); + + tx4927_pci_setup(); +} + +static void __init rbtx4937_arch_init(void) +{ + txx9_gpio_init(TX4938_PIO_REG & 0xfffffffffULL, 0, TX4938_NUM_PIO); + + rbtx4927_gpio_init(); + + tx4937_pci_setup(); +} + +static void toshiba_rbtx4927_restart(char *command) +{ + /* enable the s/w reset register */ + writeb(1, rbtx4927_softresetlock_addr); + + /* wait for enable to be seen */ + while (!(readb(rbtx4927_softresetlock_addr) & 1)) + ; + + /* do a s/w reset */ + writeb(1, rbtx4927_softreset_addr); + + /* fallback */ + (*_machine_halt)(); +} + +static void __init rbtx4927_clock_init(void); +static void __init rbtx4937_clock_init(void); + +static void __init rbtx4927_mem_setup(void) +{ + if (TX4927_REV_PCODE() == 0x4927) { + rbtx4927_clock_init(); + tx4927_setup(); + } else { + rbtx4937_clock_init(); + tx4938_setup(); + } + + _machine_restart = toshiba_rbtx4927_restart; + +#ifdef CONFIG_PCI + txx9_alloc_pci_controller(&txx9_primary_pcic, + RBTX4927_PCIMEM, RBTX4927_PCIMEM_SIZE, + RBTX4927_PCIIO, RBTX4927_PCIIO_SIZE); + txx9_board_pcibios_setup = tx4927_pcibios_setup; +#else + set_io_port_base(KSEG1 + RBTX4927_ISA_IO_OFFSET); +#endif +} + +static void __init rbtx4927_clock_init(void) +{ + /* + * 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) + */ + switch ((unsigned long)__raw_readq(&tx4927_ccfgptr->ccfg) & + TX4927_CCFG_PCIDIVMODE_MASK) { + case TX4927_CCFG_PCIDIVMODE_2_5: + case TX4927_CCFG_PCIDIVMODE_5: + txx9_cpu_clock = 166666666; /* 166MHz */ + break; + default: + txx9_cpu_clock = 200000000; /* 200MHz */ + } +} + +static void __init rbtx4937_clock_init(void) +{ + /* + * ASSUMPTION: PCIDIVMODE is configured for PCI 33MHz or 66MHz. + * + * 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) + */ + switch ((unsigned long)__raw_readq(&tx4938_ccfgptr->ccfg) & + TX4938_CCFG_PCIDIVMODE_MASK) { + case TX4938_CCFG_PCIDIVMODE_8: + case TX4938_CCFG_PCIDIVMODE_4: + txx9_cpu_clock = 266666666; /* 266MHz */ + break; + case TX4938_CCFG_PCIDIVMODE_9: + case TX4938_CCFG_PCIDIVMODE_4_5: + txx9_cpu_clock = 300000000; /* 300MHz */ + break; + default: + txx9_cpu_clock = 333333333; /* 333MHz */ + } +} + +static void __init rbtx4927_time_init(void) +{ + tx4927_time_init(0); +} + +static void __init toshiba_rbtx4927_rtc_init(void) +{ + struct resource res = { + .start = RBTX4927_BRAMRTC_BASE - IO_BASE, + .end = RBTX4927_BRAMRTC_BASE - IO_BASE + 0x800 - 1, + .flags = IORESOURCE_MEM, + }; + platform_device_register_simple("rtc-ds1742", -1, &res, 1); +} + +static void __init rbtx4927_ne_init(void) +{ + struct resource res[] = { + { + .start = RBTX4927_RTL_8019_BASE, + .end = RBTX4927_RTL_8019_BASE + 0x20 - 1, + .flags = IORESOURCE_IO, + }, { + .start = RBTX4927_RTL_8019_IRQ, + .flags = IORESOURCE_IRQ, + } + }; + platform_device_register_simple("ne", -1, res, ARRAY_SIZE(res)); +} + +static void __init rbtx4927_mtd_init(void) +{ + int i; + + for (i = 0; i < 2; i++) + tx4927_mtd_init(i); +} + +static void __init rbtx4927_gpioled_init(void) +{ + static const struct gpio_led leds[] = { + { .name = "gpioled:green:0", .gpio = 0, .active_low = 1, }, + { .name = "gpioled:green:1", .gpio = 1, .active_low = 1, }, + }; + static struct gpio_led_platform_data pdata = { + .num_leds = ARRAY_SIZE(leds), + .leds = leds, + }; + struct platform_device *pdev = platform_device_alloc("leds-gpio", 0); + + if (!pdev) + return; + pdev->dev.platform_data = &pdata; + if (platform_device_add(pdev)) + platform_device_put(pdev); +} + +static void __init rbtx4927_device_init(void) +{ + toshiba_rbtx4927_rtc_init(); + rbtx4927_ne_init(); + tx4927_wdt_init(); + rbtx4927_mtd_init(); + if (TX4927_REV_PCODE() == 0x4927) { + tx4927_dmac_init(2); + tx4927_aclc_init(0, 1); + } else { + tx4938_dmac_init(0, 2); + tx4938_aclc_init(); + } + platform_device_register_simple("txx9aclc-generic", -1, NULL, 0); + txx9_iocled_init(RBTX4927_LED_ADDR - IO_BASE, -1, 3, 1, "green", NULL); + rbtx4927_gpioled_init(); +} + +struct txx9_board_vec rbtx4927_vec __initdata = { + .system = "Toshiba RBTX4927", + .prom_init = rbtx4927_prom_init, + .mem_setup = rbtx4927_mem_setup, + .irq_setup = rbtx4927_irq_setup, + .time_init = rbtx4927_time_init, + .device_init = rbtx4927_device_init, + .arch_init = rbtx4927_arch_init, +#ifdef CONFIG_PCI + .pci_map_irq = rbtx4927_pci_map_irq, +#endif +}; +struct txx9_board_vec rbtx4937_vec __initdata = { + .system = "Toshiba RBTX4937", + .prom_init = rbtx4927_prom_init, + .mem_setup = rbtx4927_mem_setup, + .irq_setup = rbtx4927_irq_setup, + .time_init = rbtx4927_time_init, + .device_init = rbtx4927_device_init, + .arch_init = rbtx4937_arch_init, +#ifdef CONFIG_PCI + .pci_map_irq = rbtx4927_pci_map_irq, +#endif +}; |