diff options
Diffstat (limited to 'arch/mips/txx9')
| -rw-r--r-- | arch/mips/txx9/Kconfig | 18 | ||||
| -rw-r--r-- | arch/mips/txx9/Makefile | 6 | ||||
| -rw-r--r-- | arch/mips/txx9/Platform | 3 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/Makefile | 1 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/irq_tx3927.c | 25 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/setup.c | 55 | ||||
| -rw-r--r-- | arch/mips/txx9/generic/setup_tx3927.c | 136 | ||||
| -rw-r--r-- | arch/mips/txx9/jmr3927/Makefile | 6 | ||||
| -rw-r--r-- | arch/mips/txx9/jmr3927/irq.c | 128 | ||||
| -rw-r--r-- | arch/mips/txx9/jmr3927/prom.c | 52 | ||||
| -rw-r--r-- | arch/mips/txx9/jmr3927/setup.c | 223 |
11 files changed, 0 insertions, 653 deletions
diff --git a/arch/mips/txx9/Kconfig b/arch/mips/txx9/Kconfig index 6c61feee6dd3..7335efa4d528 100644 --- a/arch/mips/txx9/Kconfig +++ b/arch/mips/txx9/Kconfig @@ -1,9 +1,4 @@ # SPDX-License-Identifier: GPL-2.0 -config MACH_TX39XX - bool - select MACH_TXX9 - select SYS_HAS_CPU_TX39XX - config MACH_TX49XX bool select BOOT_ELF32 @@ -24,11 +19,6 @@ config MACH_TXX9 select SYS_SUPPORTS_BIG_ENDIAN select COMMON_CLK -config TOSHIBA_JMR3927 - bool "Toshiba JMR-TX3927 board" - depends on MACH_TX39XX - select SOC_TX3927 - config TOSHIBA_RBTX4927 bool "Toshiba RBTX49[23]7 board" depends on MACH_TX49XX @@ -39,14 +29,6 @@ config TOSHIBA_RBTX4927 This Toshiba board is based on the TX4927 processor. Say Y here to support this machine type -config SOC_TX3927 - bool - select CEVT_TXX9 - imply HAS_TXX9_SERIAL - select HAVE_PCI - select IRQ_TXX9 - select GPIO_TXX9 - config SOC_TX4927 bool select CEVT_TXX9 diff --git a/arch/mips/txx9/Makefile b/arch/mips/txx9/Makefile index 53269910a48b..14c91f2678a3 100644 --- a/arch/mips/txx9/Makefile +++ b/arch/mips/txx9/Makefile @@ -2,15 +2,9 @@ # # Common TXx9 # -obj-$(CONFIG_MACH_TX39XX) += generic/ obj-$(CONFIG_MACH_TX49XX) += generic/ # -# Toshiba JMR-TX3927 board -# -obj-$(CONFIG_TOSHIBA_JMR3927) += jmr3927/ - -# # Toshiba RBTX49XX boards # obj-$(CONFIG_TOSHIBA_RBTX4927) += rbtx4927/ diff --git a/arch/mips/txx9/Platform b/arch/mips/txx9/Platform index 7f4429ba22eb..e5a295068b3e 100644 --- a/arch/mips/txx9/Platform +++ b/arch/mips/txx9/Platform @@ -1,7 +1,4 @@ -cflags-$(CONFIG_MACH_TX39XX) += \ - -I$(srctree)/arch/mips/include/asm/mach-tx39xx cflags-$(CONFIG_MACH_TX49XX) += \ -I$(srctree)/arch/mips/include/asm/mach-tx49xx -load-$(CONFIG_MACH_TX39XX) += 0xffffffff80050000 load-$(CONFIG_MACH_TX49XX) += 0xffffffff80100000 diff --git a/arch/mips/txx9/generic/Makefile b/arch/mips/txx9/generic/Makefile index be5af9fe7c11..3c155c7e2be8 100644 --- a/arch/mips/txx9/generic/Makefile +++ b/arch/mips/txx9/generic/Makefile @@ -5,7 +5,6 @@ obj-y += setup.o obj-$(CONFIG_PCI) += pci.o -obj-$(CONFIG_SOC_TX3927) += setup_tx3927.o irq_tx3927.o obj-$(CONFIG_SOC_TX4927) += mem_tx4927.o setup_tx4927.o irq_tx4927.o obj-$(CONFIG_SOC_TX4938) += mem_tx4927.o setup_tx4938.o irq_tx4938.o obj-$(CONFIG_TOSHIBA_FPCIB0) += smsc_fdc37m81x.o diff --git a/arch/mips/txx9/generic/irq_tx3927.c b/arch/mips/txx9/generic/irq_tx3927.c deleted file mode 100644 index c683f593eda2..000000000000 --- a/arch/mips/txx9/generic/irq_tx3927.c +++ /dev/null @@ -1,25 +0,0 @@ -/* - * Common tx3927 irq handler - * - * 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 2001 MontaVista Software Inc. - * Copyright (C) 2000-2001 Toshiba Corporation - */ -#include <linux/init.h> -#include <asm/txx9irq.h> -#include <asm/txx9/tx3927.h> - -void __init tx3927_irq_init(void) -{ - int i; - - txx9_irq_init(TX3927_IRC_REG); - /* raise priority for timers, sio */ - for (i = 0; i < TX3927_NR_TMR; i++) - txx9_irq_set_pri(TX3927_IR_TMR(i), 6); - for (i = 0; i < TX3927_NR_SIO; i++) - txx9_irq_set_pri(TX3927_IR_SIO(i), 7); -} diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c index 39cd1edf9d80..b098a3c76ae9 100644 --- a/arch/mips/txx9/generic/setup.c +++ b/arch/mips/txx9/generic/setup.c @@ -78,12 +78,7 @@ unsigned int txx9_master_clock; unsigned int txx9_cpu_clock; unsigned int txx9_gbus_clock; -#ifdef CONFIG_CPU_TX39XX -/* don't enable by default - see errata */ -int txx9_ccfg_toeon __initdata; -#else int txx9_ccfg_toeon __initdata = 1; -#endif #define BOARD_VEC(board) extern struct txx9_board_vec board; #include <asm/txx9/boards.h> @@ -194,53 +189,6 @@ static void __init txx9_cache_fixup(void) if (conf & TX49_CONF_DC) pr_info("TX49XX D-Cache disabled.\n"); } -#elif defined(CONFIG_CPU_TX39XX) -/* flush all cache on very early stage (before tx39_cache_init) */ -static void __init early_flush_dcache(void) -{ - unsigned int conf = read_c0_config(); - unsigned int dc_size = 1 << (10 + ((conf & TX39_CONF_DCS_MASK) >> - TX39_CONF_DCS_SHIFT)); - unsigned int linesz = 16; - unsigned long addr, end; - - end = INDEX_BASE + dc_size / 2; - /* 2way, waybit=0 */ - for (addr = INDEX_BASE; addr < end; addr += linesz) { - cache_op(Index_Writeback_Inv_D, addr | 0); - cache_op(Index_Writeback_Inv_D, addr | 1); - } -} - -static void __init txx9_cache_fixup(void) -{ - unsigned int conf; - - conf = read_c0_config(); - /* flush and disable */ - if (txx9_ic_disable) { - conf &= ~TX39_CONF_ICE; - write_c0_config(conf); - } - if (txx9_dc_disable) { - early_flush_dcache(); - conf &= ~TX39_CONF_DCE; - write_c0_config(conf); - } - - /* enable cache */ - conf = read_c0_config(); - if (!txx9_ic_disable) - conf |= TX39_CONF_ICE; - if (!txx9_dc_disable) - conf |= TX39_CONF_DCE; - write_c0_config(conf); - - if (!(conf & TX39_CONF_ICE)) - pr_info("TX39XX I-Cache disabled.\n"); - if (!(conf & TX39_CONF_DCE)) - pr_info("TX39XX D-Cache disabled.\n"); -} #else static inline void txx9_cache_fixup(void) { @@ -302,9 +250,6 @@ static void __init select_board(void) } /* select "default" board */ -#ifdef CONFIG_TOSHIBA_JMR3927 - txx9_board_vec = &jmr3927_vec; -#endif #ifdef CONFIG_CPU_TX49XX switch (TX4938_REV_PCODE()) { #ifdef CONFIG_TOSHIBA_RBTX4927 diff --git a/arch/mips/txx9/generic/setup_tx3927.c b/arch/mips/txx9/generic/setup_tx3927.c deleted file mode 100644 index 33f7a7253963..000000000000 --- a/arch/mips/txx9/generic/setup_tx3927.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - * TX3927 setup routines - * Based on linux/arch/mips/txx9/jmr3927/setup.c - * - * Copyright 2001 MontaVista Software Inc. - * Copyright (C) 2000-2001 Toshiba Corporation - * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) - * - * 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. - */ -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/delay.h> -#include <linux/param.h> -#include <linux/io.h> -#include <linux/mtd/physmap.h> -#include <asm/mipsregs.h> -#include <asm/txx9irq.h> -#include <asm/txx9tmr.h> -#include <asm/txx9pio.h> -#include <asm/txx9/generic.h> -#include <asm/txx9/tx3927.h> - -void __init tx3927_wdt_init(void) -{ - txx9_wdt_init(TX3927_TMR_REG(2)); -} - -void __init tx3927_setup(void) -{ - int i; - unsigned int conf; - - txx9_reg_res_init(TX3927_REV_PCODE(), TX3927_REG_BASE, - TX3927_REG_SIZE); - - /* SDRAMC,ROMC are configured by PROM */ - for (i = 0; i < 8; i++) { - if (!(tx3927_romcptr->cr[i] & 0x8)) - continue; /* disabled */ - txx9_ce_res[i].start = (unsigned long)TX3927_ROMC_BA(i); - txx9_ce_res[i].end = - txx9_ce_res[i].start + TX3927_ROMC_SIZE(i) - 1; - request_resource(&iomem_resource, &txx9_ce_res[i]); - } - - /* clocks */ - txx9_gbus_clock = txx9_cpu_clock / 2; - /* change default value to udelay/mdelay take reasonable time */ - loops_per_jiffy = txx9_cpu_clock / HZ / 2; - - /* CCFG */ - /* enable Timeout BusError */ - if (txx9_ccfg_toeon) - tx3927_ccfgptr->ccfg |= TX3927_CCFG_TOE; - - /* clear BusErrorOnWrite flag */ - tx3927_ccfgptr->ccfg &= ~TX3927_CCFG_BEOW; - if (read_c0_conf() & TX39_CONF_WBON) - /* Disable PCI snoop */ - tx3927_ccfgptr->ccfg &= ~TX3927_CCFG_PSNP; - else - /* Enable PCI SNOOP - with write through only */ - tx3927_ccfgptr->ccfg |= TX3927_CCFG_PSNP; - /* do reset on watchdog */ - tx3927_ccfgptr->ccfg |= TX3927_CCFG_WR; - - pr_info("TX3927 -- CRIR:%08lx CCFG:%08lx PCFG:%08lx\n", - tx3927_ccfgptr->crir, tx3927_ccfgptr->ccfg, - tx3927_ccfgptr->pcfg); - - /* TMR */ - for (i = 0; i < TX3927_NR_TMR; i++) - txx9_tmr_init(TX3927_TMR_REG(i)); - - /* DMA */ - tx3927_dmaptr->mcr = 0; - for (i = 0; i < ARRAY_SIZE(tx3927_dmaptr->ch); i++) { - /* reset channel */ - tx3927_dmaptr->ch[i].ccr = TX3927_DMA_CCR_CHRST; - tx3927_dmaptr->ch[i].ccr = 0; - } - /* enable DMA */ -#ifdef __BIG_ENDIAN - tx3927_dmaptr->mcr = TX3927_DMA_MCR_MSTEN; -#else - tx3927_dmaptr->mcr = TX3927_DMA_MCR_MSTEN | TX3927_DMA_MCR_LE; -#endif - - /* PIO */ - __raw_writel(0, &tx3927_pioptr->maskcpu); - __raw_writel(0, &tx3927_pioptr->maskext); - - conf = read_c0_conf(); - if (conf & TX39_CONF_DCE) { - if (!(conf & TX39_CONF_WBON)) - pr_info("TX3927 D-Cache WriteThrough.\n"); - else if (!(conf & TX39_CONF_CWFON)) - pr_info("TX3927 D-Cache WriteBack.\n"); - else - pr_info("TX3927 D-Cache WriteBack (CWF) .\n"); - } -} - -void __init tx3927_time_init(unsigned int evt_tmrnr, unsigned int src_tmrnr) -{ - txx9_clockevent_init(TX3927_TMR_REG(evt_tmrnr), - TXX9_IRQ_BASE + TX3927_IR_TMR(evt_tmrnr), - TXX9_IMCLK); - txx9_clocksource_init(TX3927_TMR_REG(src_tmrnr), TXX9_IMCLK); -} - -void __init tx3927_sio_init(unsigned int sclk, unsigned int cts_mask) -{ - int i; - - for (i = 0; i < 2; i++) - txx9_sio_init(TX3927_SIO_REG(i), - TXX9_IRQ_BASE + TX3927_IR_SIO(i), - i, sclk, (1 << i) & cts_mask); -} - -void __init tx3927_mtd_init(int ch) -{ - struct physmap_flash_data pdata = { - .width = TX3927_ROMC_WIDTH(ch) / 8, - }; - unsigned long start = txx9_ce_res[ch].start; - unsigned long size = txx9_ce_res[ch].end - start + 1; - - if (!(tx3927_romcptr->cr[ch] & 0x8)) - return; /* disabled */ - txx9_physmap_flash_init(ch, start, size, &pdata); -} diff --git a/arch/mips/txx9/jmr3927/Makefile b/arch/mips/txx9/jmr3927/Makefile deleted file mode 100644 index 4bda0615d27e..000000000000 --- a/arch/mips/txx9/jmr3927/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -# -# Makefile for TOSHIBA JMR-TX3927 board -# - -obj-y += prom.o irq.o setup.o diff --git a/arch/mips/txx9/jmr3927/irq.c b/arch/mips/txx9/jmr3927/irq.c deleted file mode 100644 index c22c859a2c49..000000000000 --- a/arch/mips/txx9/jmr3927/irq.c +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ahennessy@mvista.com - * - * 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) 2000-2001 Toshiba Corporation - * - * 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/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/jmr3927.h> - -#if JMR3927_IRQ_END > NR_IRQS -#error JMR3927_IRQ_END > NR_IRQS -#endif - -/* - * CP0_STATUS is a thread's resource (saved/restored on context switch). - * So disable_irq/enable_irq MUST handle IOC/IRC registers. - */ -static void mask_irq_ioc(struct irq_data *d) -{ - /* 0: mask */ - unsigned int irq_nr = d->irq - JMR3927_IRQ_IOC; - unsigned char imask = jmr3927_ioc_reg_in(JMR3927_IOC_INTM_ADDR); - unsigned int bit = 1 << irq_nr; - jmr3927_ioc_reg_out(imask & ~bit, JMR3927_IOC_INTM_ADDR); - /* flush write buffer */ - (void)jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR); -} -static void unmask_irq_ioc(struct irq_data *d) -{ - /* 0: mask */ - unsigned int irq_nr = d->irq - JMR3927_IRQ_IOC; - unsigned char imask = jmr3927_ioc_reg_in(JMR3927_IOC_INTM_ADDR); - unsigned int bit = 1 << irq_nr; - jmr3927_ioc_reg_out(imask | bit, JMR3927_IOC_INTM_ADDR); - /* flush write buffer */ - (void)jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR); -} - -static int jmr3927_ioc_irqroute(void) -{ - unsigned char istat = jmr3927_ioc_reg_in(JMR3927_IOC_INTS2_ADDR); - int i; - - for (i = 0; i < JMR3927_NR_IRQ_IOC; i++) { - if (istat & (1 << i)) - return JMR3927_IRQ_IOC + i; - } - return -1; -} - -static int jmr3927_irq_dispatch(int pending) -{ - int irq; - - if ((pending & CAUSEF_IP7) == 0) - return -1; - irq = (pending >> CAUSEB_IP2) & 0x0f; - irq += JMR3927_IRQ_IRC; - if (irq == JMR3927_IRQ_IOCINT) - irq = jmr3927_ioc_irqroute(); - return irq; -} - -static struct irq_chip jmr3927_irq_ioc = { - .name = "jmr3927_ioc", - .irq_mask = mask_irq_ioc, - .irq_unmask = unmask_irq_ioc, -}; - -void __init jmr3927_irq_setup(void) -{ - int i; - - txx9_irq_dispatch = jmr3927_irq_dispatch; - /* Now, interrupt control disabled, */ - /* all IRC interrupts are masked, */ - /* all IRC interrupt mode are Low Active. */ - - /* mask all IOC interrupts */ - jmr3927_ioc_reg_out(0, JMR3927_IOC_INTM_ADDR); - /* setup IOC interrupt mode (SOFT:High Active, Others:Low Active) */ - jmr3927_ioc_reg_out(JMR3927_IOC_INTF_SOFT, JMR3927_IOC_INTP_ADDR); - - /* clear PCI Soft interrupts */ - jmr3927_ioc_reg_out(0, JMR3927_IOC_INTS1_ADDR); - /* clear PCI Reset interrupts */ - jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR); - - tx3927_irq_init(); - for (i = JMR3927_IRQ_IOC; i < JMR3927_IRQ_IOC + JMR3927_NR_IRQ_IOC; i++) - irq_set_chip_and_handler(i, &jmr3927_irq_ioc, - handle_level_irq); - - /* setup IOC interrupt 1 (PCI, MODEM) */ - irq_set_chained_handler(JMR3927_IRQ_IOCINT, handle_simple_irq); -} diff --git a/arch/mips/txx9/jmr3927/prom.c b/arch/mips/txx9/jmr3927/prom.c deleted file mode 100644 index 53c68de54d30..000000000000 --- a/arch/mips/txx9/jmr3927/prom.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * BRIEF MODULE DESCRIPTION - * PROM library initialisation code, assuming a version of - * pmon is the boot code. - * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ahennessy@mvista.com - * - * Based on arch/mips/au1000/common/prom.c - * - * This file was derived from Carsten Langgaard's - * arch/mips/mips-boards/xx files. - * - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. 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 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/memblock.h> -#include <asm/txx9/generic.h> -#include <asm/txx9/jmr3927.h> - -void __init jmr3927_prom_init(void) -{ - /* CCFG */ - if ((tx3927_ccfgptr->ccfg & TX3927_CCFG_TLBOFF) == 0) - pr_err("TX3927 TLB off\n"); - - memblock_add(0, JMR3927_SDRAM_SIZE); - txx9_sio_putchar_init(TX3927_SIO_REG(1)); -} diff --git a/arch/mips/txx9/jmr3927/setup.c b/arch/mips/txx9/jmr3927/setup.c deleted file mode 100644 index 613943886e34..000000000000 --- a/arch/mips/txx9/jmr3927/setup.c +++ /dev/null @@ -1,223 +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. - * - * 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. - * - * Copyright 2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ahennessy@mvista.com - * - * Copyright (C) 2000-2001 Toshiba Corporation - * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/ioport.h> -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/gpio.h> -#include <asm/reboot.h> -#include <asm/txx9pio.h> -#include <asm/txx9/generic.h> -#include <asm/txx9/pci.h> -#include <asm/txx9/jmr3927.h> -#include <asm/mipsregs.h> - -static void jmr3927_machine_restart(char *command) -{ - local_irq_disable(); -#if 1 /* Resetting PCI bus */ - jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR); - jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI, JMR3927_IOC_RESET_ADDR); - (void)jmr3927_ioc_reg_in(JMR3927_IOC_RESET_ADDR); /* flush WB */ - mdelay(1); - jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR); -#endif - jmr3927_ioc_reg_out(JMR3927_IOC_RESET_CPU, JMR3927_IOC_RESET_ADDR); - /* fallback */ - (*_machine_halt)(); -} - -static void __init jmr3927_time_init(void) -{ - tx3927_time_init(0, 1); -} - -#define DO_WRITE_THROUGH - -static void jmr3927_board_init(void); - -static void __init jmr3927_mem_setup(void) -{ - set_io_port_base(JMR3927_PORT_BASE + JMR3927_PCIIO); - - _machine_restart = jmr3927_machine_restart; - - /* cache setup */ - { - unsigned int conf; -#ifdef DO_WRITE_THROUGH - int mips_config_cwfon = 0; - int mips_config_wbon = 0; -#else - int mips_config_cwfon = 1; - int mips_config_wbon = 1; -#endif - - conf = read_c0_conf(); - conf &= ~(TX39_CONF_WBON | TX39_CONF_CWFON); - conf |= mips_config_wbon ? TX39_CONF_WBON : 0; - conf |= mips_config_cwfon ? TX39_CONF_CWFON : 0; - - write_c0_conf(conf); - write_c0_cache(0); - } - - /* initialize board */ - jmr3927_board_init(); - - tx3927_sio_init(0, 1 << 1); /* ch1: noCTS */ -} - -static void __init jmr3927_pci_setup(void) -{ -#ifdef CONFIG_PCI - int extarb = !(tx3927_ccfgptr->ccfg & TX3927_CCFG_PCIXARB); - struct pci_controller *c; - - c = txx9_alloc_pci_controller(&txx9_primary_pcic, - JMR3927_PCIMEM, JMR3927_PCIMEM_SIZE, - JMR3927_PCIIO, JMR3927_PCIIO_SIZE); - register_pci_controller(c); - if (!extarb) { - /* Reset PCI Bus */ - jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR); - udelay(100); - jmr3927_ioc_reg_out(JMR3927_IOC_RESET_PCI, - JMR3927_IOC_RESET_ADDR); - udelay(100); - jmr3927_ioc_reg_out(0, JMR3927_IOC_RESET_ADDR); - } - tx3927_pcic_setup(c, JMR3927_SDRAM_SIZE, extarb); - tx3927_setup_pcierr_irq(); -#endif /* CONFIG_PCI */ -} - -static void __init jmr3927_board_init(void) -{ - txx9_cpu_clock = JMR3927_CORECLK; - /* SDRAMC are configured by PROM */ - - /* ROMC */ - tx3927_romcptr->cr[1] = JMR3927_ROMCE1 | 0x00030048; - tx3927_romcptr->cr[2] = JMR3927_ROMCE2 | 0x000064c8; - tx3927_romcptr->cr[3] = JMR3927_ROMCE3 | 0x0003f698; - tx3927_romcptr->cr[5] = JMR3927_ROMCE5 | 0x0000f218; - - /* Pin selection */ - tx3927_ccfgptr->pcfg &= ~TX3927_PCFG_SELALL; - tx3927_ccfgptr->pcfg |= - TX3927_PCFG_SELSIOC(0) | TX3927_PCFG_SELSIO_ALL | - (TX3927_PCFG_SELDMA_ALL & ~TX3927_PCFG_SELDMA(1)); - - tx3927_setup(); - - /* PIO[15:12] connected to LEDs */ - __raw_writel(0x0000f000, &tx3927_pioptr->dir); - - jmr3927_pci_setup(); - - /* SIO0 DTR on */ - jmr3927_ioc_reg_out(0, JMR3927_IOC_DTR_ADDR); - - jmr3927_led_set(0); - - pr_info("JMR-TX3927 (Rev %d) --- IOC(Rev %d) DIPSW:%d,%d,%d,%d\n", - jmr3927_ioc_reg_in(JMR3927_IOC_BREV_ADDR) & JMR3927_REV_MASK, - jmr3927_ioc_reg_in(JMR3927_IOC_REV_ADDR) & JMR3927_REV_MASK, - jmr3927_dipsw1(), jmr3927_dipsw2(), - jmr3927_dipsw3(), jmr3927_dipsw4()); -} - -/* This trick makes rtc-ds1742 driver usable as is. */ -static unsigned long jmr3927_swizzle_addr_b(unsigned long port) -{ - if ((port & 0xffff0000) != JMR3927_IOC_NVRAMB_ADDR) - return port; - port = (port & 0xffff0000) | (port & 0x7fff << 1); -#ifdef __BIG_ENDIAN - return port; -#else - return port | 1; -#endif -} - -static void __init jmr3927_rtc_init(void) -{ - static struct resource __initdata res = { - .start = JMR3927_IOC_NVRAMB_ADDR - IO_BASE, - .end = JMR3927_IOC_NVRAMB_ADDR - IO_BASE + 0x800 - 1, - .flags = IORESOURCE_MEM, - }; - platform_device_register_simple("rtc-ds1742", -1, &res, 1); -} - -static void __init jmr3927_mtd_init(void) -{ - int i; - - for (i = 0; i < 2; i++) - tx3927_mtd_init(i); -} - -static void __init jmr3927_device_init(void) -{ - unsigned long iocled_base = JMR3927_IOC_LED_ADDR - IO_BASE; -#ifdef __LITTLE_ENDIAN - iocled_base |= 1; -#endif - __swizzle_addr_b = jmr3927_swizzle_addr_b; - jmr3927_rtc_init(); - tx3927_wdt_init(); - jmr3927_mtd_init(); - txx9_iocled_init(iocled_base, -1, 8, 1, "green", NULL); -} - -static void __init jmr3927_arch_init(void) -{ - txx9_gpio_init(TX3927_PIO_REG, 0, 16); - - gpio_request(11, "dipsw1"); - gpio_request(10, "dipsw2"); -} - -struct txx9_board_vec jmr3927_vec __initdata = { - .system = "Toshiba JMR_TX3927", - .prom_init = jmr3927_prom_init, - .mem_setup = jmr3927_mem_setup, - .irq_setup = jmr3927_irq_setup, - .time_init = jmr3927_time_init, - .device_init = jmr3927_device_init, - .arch_init = jmr3927_arch_init, -#ifdef CONFIG_PCI - .pci_map_irq = jmr3927_pci_map_irq, -#endif -}; |