diff options
Diffstat (limited to 'arch/mips/tx4938/common')
| -rw-r--r-- | arch/mips/tx4938/common/Makefile | 11 | ||||
| -rw-r--r-- | arch/mips/tx4938/common/dbgio.c | 50 | ||||
| -rw-r--r-- | arch/mips/tx4938/common/irq.c | 424 | ||||
| -rw-r--r-- | arch/mips/tx4938/common/irq_handler.S | 84 | ||||
| -rw-r--r-- | arch/mips/tx4938/common/prom.c | 129 | ||||
| -rw-r--r-- | arch/mips/tx4938/common/rtc_rx5c348.c | 202 | ||||
| -rw-r--r-- | arch/mips/tx4938/common/setup.c | 91 |
7 files changed, 0 insertions, 991 deletions
diff --git a/arch/mips/tx4938/common/Makefile b/arch/mips/tx4938/common/Makefile deleted file mode 100644 index 74c95c5bcdb..00000000000 --- a/arch/mips/tx4938/common/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# -# Makefile for common code for Toshiba TX4927 based systems -# -# Note! Dependencies are done automagically by 'make dep', which also -# removes any old dependencies. DON'T put your own dependencies here -# unless it's something special (ie not a .c file). -# - -obj-y += prom.o setup.o irq.o irq_handler.o rtc_rx5c348.o -obj-$(CONFIG_KGDB) += dbgio.o - diff --git a/arch/mips/tx4938/common/dbgio.c b/arch/mips/tx4938/common/dbgio.c deleted file mode 100644 index bea59ff1842..00000000000 --- a/arch/mips/tx4938/common/dbgio.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * linux/arch/mips/tx4938/common/dbgio.c - * - * kgdb interface for gdb - * - * Author: MontaVista Software, Inc. - * source@mvista.com - * - * Copyright 2005 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. - * - * Support for TX4938 in 2.6 - Hiroshi DOYU <Hiroshi_DOYU@montavista.co.jp> - */ - -#include <asm/mipsregs.h> -#include <asm/system.h> -#include <asm/tx4938/tx4938_mips.h> - -extern u8 txx9_sio_kdbg_rd(void); -extern int txx9_sio_kdbg_wr( u8 ch ); - -u8 getDebugChar(void) -{ - return (txx9_sio_kdbg_rd()); -} - -int putDebugChar(u8 byte) -{ - return (txx9_sio_kdbg_wr(byte)); -} - diff --git a/arch/mips/tx4938/common/irq.c b/arch/mips/tx4938/common/irq.c deleted file mode 100644 index 4f90d7faf63..00000000000 --- a/arch/mips/tx4938/common/irq.c +++ /dev/null @@ -1,424 +0,0 @@ -/* - * linux/arch/mps/tx4938/common/irq.c - * - * Common tx4938 irq handler - * Copyright (C) 2000-2001 Toshiba Corporation - * - * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the - * terms of the GNU General Public License version 2. This program is - * licensed "as is" without any warranty of any kind, whether express - * or implied. - * - * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com) - */ -#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/irq.h> -#include <asm/bitops.h> -#include <asm/bootinfo.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/mipsregs.h> -#include <asm/system.h> -#include <asm/tx4938/rbtx4938.h> - -/**********************************************************************************/ -/* Forwad definitions for all pic's */ -/**********************************************************************************/ - -static unsigned int tx4938_irq_cp0_startup(unsigned int irq); -static void tx4938_irq_cp0_shutdown(unsigned int irq); -static void tx4938_irq_cp0_enable(unsigned int irq); -static void tx4938_irq_cp0_disable(unsigned int irq); -static void tx4938_irq_cp0_mask_and_ack(unsigned int irq); -static void tx4938_irq_cp0_end(unsigned int irq); - -static unsigned int tx4938_irq_pic_startup(unsigned int irq); -static void tx4938_irq_pic_shutdown(unsigned int irq); -static void tx4938_irq_pic_enable(unsigned int irq); -static void tx4938_irq_pic_disable(unsigned int irq); -static void tx4938_irq_pic_mask_and_ack(unsigned int irq); -static void tx4938_irq_pic_end(unsigned int irq); - -/**********************************************************************************/ -/* Kernel structs for all pic's */ -/**********************************************************************************/ -DEFINE_SPINLOCK(tx4938_cp0_lock); -DEFINE_SPINLOCK(tx4938_pic_lock); - -#define TX4938_CP0_NAME "TX4938-CP0" -static struct hw_interrupt_type tx4938_irq_cp0_type = { - .typename = TX4938_CP0_NAME, - .startup = tx4938_irq_cp0_startup, - .shutdown = tx4938_irq_cp0_shutdown, - .enable = tx4938_irq_cp0_enable, - .disable = tx4938_irq_cp0_disable, - .ack = tx4938_irq_cp0_mask_and_ack, - .end = tx4938_irq_cp0_end, - .set_affinity = NULL -}; - -#define TX4938_PIC_NAME "TX4938-PIC" -static struct hw_interrupt_type tx4938_irq_pic_type = { - .typename = TX4938_PIC_NAME, - .startup = tx4938_irq_pic_startup, - .shutdown = tx4938_irq_pic_shutdown, - .enable = tx4938_irq_pic_enable, - .disable = tx4938_irq_pic_disable, - .ack = tx4938_irq_pic_mask_and_ack, - .end = tx4938_irq_pic_end, - .set_affinity = NULL -}; - -static struct irqaction tx4938_irq_pic_action = { - .handler = no_action, - .flags = 0, - .mask = CPU_MASK_NONE, - .name = TX4938_PIC_NAME -}; - -/**********************************************************************************/ -/* Functions for cp0 */ -/**********************************************************************************/ - -#define tx4938_irq_cp0_mask(irq) ( 1 << ( irq-TX4938_IRQ_CP0_BEG+8 ) ) - -static void __init -tx4938_irq_cp0_init(void) -{ - int i; - - for (i = TX4938_IRQ_CP0_BEG; i <= TX4938_IRQ_CP0_END; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].action = 0; - irq_desc[i].depth = 1; - irq_desc[i].handler = &tx4938_irq_cp0_type; - } - - return; -} - -static unsigned int -tx4938_irq_cp0_startup(unsigned int irq) -{ - tx4938_irq_cp0_enable(irq); - - return (0); -} - -static void -tx4938_irq_cp0_shutdown(unsigned int irq) -{ - tx4938_irq_cp0_disable(irq); -} - -static void -tx4938_irq_cp0_enable(unsigned int irq) -{ - unsigned long flags; - - spin_lock_irqsave(&tx4938_cp0_lock, flags); - - set_c0_status(tx4938_irq_cp0_mask(irq)); - - spin_unlock_irqrestore(&tx4938_cp0_lock, flags); -} - -static void -tx4938_irq_cp0_disable(unsigned int irq) -{ - unsigned long flags; - - spin_lock_irqsave(&tx4938_cp0_lock, flags); - - clear_c0_status(tx4938_irq_cp0_mask(irq)); - - spin_unlock_irqrestore(&tx4938_cp0_lock, flags); - - return; -} - -static void -tx4938_irq_cp0_mask_and_ack(unsigned int irq) -{ - tx4938_irq_cp0_disable(irq); - - return; -} - -static void -tx4938_irq_cp0_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { - tx4938_irq_cp0_enable(irq); - } - - return; -} - -/**********************************************************************************/ -/* Functions for pic */ -/**********************************************************************************/ - -u32 -tx4938_irq_pic_addr(int irq) -{ - /* MVMCP -- need to formulize this */ - irq -= TX4938_IRQ_PIC_BEG; - - switch (irq) { - case 17: - case 16: - case 1: - case 0:{ - return (TX4938_MKA(TX4938_IRC_IRLVL0)); - } - case 19: - case 18: - case 3: - case 2:{ - return (TX4938_MKA(TX4938_IRC_IRLVL1)); - } - case 21: - case 20: - case 5: - case 4:{ - return (TX4938_MKA(TX4938_IRC_IRLVL2)); - } - case 23: - case 22: - case 7: - case 6:{ - return (TX4938_MKA(TX4938_IRC_IRLVL3)); - } - case 25: - case 24: - case 9: - case 8:{ - return (TX4938_MKA(TX4938_IRC_IRLVL4)); - } - case 27: - case 26: - case 11: - case 10:{ - return (TX4938_MKA(TX4938_IRC_IRLVL5)); - } - case 29: - case 28: - case 13: - case 12:{ - return (TX4938_MKA(TX4938_IRC_IRLVL6)); - } - case 31: - case 30: - case 15: - case 14:{ - return (TX4938_MKA(TX4938_IRC_IRLVL7)); - } - } - - return (0); -} - -u32 -tx4938_irq_pic_mask(int irq) -{ - /* MVMCP -- need to formulize this */ - irq -= TX4938_IRQ_PIC_BEG; - - switch (irq) { - case 31: - case 29: - case 27: - case 25: - case 23: - case 21: - case 19: - case 17:{ - return (0x07000000); - } - case 30: - case 28: - case 26: - case 24: - case 22: - case 20: - case 18: - case 16:{ - return (0x00070000); - } - case 15: - case 13: - case 11: - case 9: - case 7: - case 5: - case 3: - case 1:{ - return (0x00000700); - } - case 14: - case 12: - case 10: - case 8: - case 6: - case 4: - case 2: - case 0:{ - return (0x00000007); - } - } - return (0x00000000); -} - -static void -tx4938_irq_pic_modify(unsigned pic_reg, unsigned clr_bits, unsigned set_bits) -{ - unsigned long val = 0; - - val = TX4938_RD(pic_reg); - val &= (~clr_bits); - val |= (set_bits); - TX4938_WR(pic_reg, val); - mmiowb(); - TX4938_RD(pic_reg); - - return; -} - -static void __init -tx4938_irq_pic_init(void) -{ - unsigned long flags; - int i; - - for (i = TX4938_IRQ_PIC_BEG; i <= TX4938_IRQ_PIC_END; i++) { - irq_desc[i].status = IRQ_DISABLED; - irq_desc[i].action = 0; - irq_desc[i].depth = 2; - irq_desc[i].handler = &tx4938_irq_pic_type; - } - - setup_irq(TX4938_IRQ_NEST_PIC_ON_CP0, &tx4938_irq_pic_action); - - spin_lock_irqsave(&tx4938_pic_lock, flags); - - TX4938_WR(0xff1ff640, 0x6); /* irq level mask -- only accept hightest */ - TX4938_WR(0xff1ff600, TX4938_RD(0xff1ff600) | 0x1); /* irq enable */ - - spin_unlock_irqrestore(&tx4938_pic_lock, flags); - - return; -} - -static unsigned int -tx4938_irq_pic_startup(unsigned int irq) -{ - tx4938_irq_pic_enable(irq); - - return (0); -} - -static void -tx4938_irq_pic_shutdown(unsigned int irq) -{ - tx4938_irq_pic_disable(irq); - - return; -} - -static void -tx4938_irq_pic_enable(unsigned int irq) -{ - unsigned long flags; - - spin_lock_irqsave(&tx4938_pic_lock, flags); - - tx4938_irq_pic_modify(tx4938_irq_pic_addr(irq), 0, - tx4938_irq_pic_mask(irq)); - - spin_unlock_irqrestore(&tx4938_pic_lock, flags); - - return; -} - -static void -tx4938_irq_pic_disable(unsigned int irq) -{ - unsigned long flags; - - spin_lock_irqsave(&tx4938_pic_lock, flags); - - tx4938_irq_pic_modify(tx4938_irq_pic_addr(irq), - tx4938_irq_pic_mask(irq), 0); - - spin_unlock_irqrestore(&tx4938_pic_lock, flags); - - return; -} - -static void -tx4938_irq_pic_mask_and_ack(unsigned int irq) -{ - tx4938_irq_pic_disable(irq); - - return; -} - -static void -tx4938_irq_pic_end(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { - tx4938_irq_pic_enable(irq); - } - - return; -} - -/**********************************************************************************/ -/* Main init functions */ -/**********************************************************************************/ - -void __init -tx4938_irq_init(void) -{ - extern asmlinkage void tx4938_irq_handler(void); - - tx4938_irq_cp0_init(); - tx4938_irq_pic_init(); - set_except_vector(0, tx4938_irq_handler); - - return; -} - -int -tx4938_irq_nested(void) -{ - int sw_irq = 0; - u32 level2; - - level2 = TX4938_RD(0xff1ff6a0); - if ((level2 & 0x10000) == 0) { - level2 &= 0x1f; - sw_irq = TX4938_IRQ_PIC_BEG + level2; - if (sw_irq == 26) { - { - extern int toshiba_rbtx4938_irq_nested(int sw_irq); - sw_irq = toshiba_rbtx4938_irq_nested(sw_irq); - } - } - } - - wbflush(); - return (sw_irq); -} diff --git a/arch/mips/tx4938/common/irq_handler.S b/arch/mips/tx4938/common/irq_handler.S deleted file mode 100644 index 1b2f72bac42..00000000000 --- a/arch/mips/tx4938/common/irq_handler.S +++ /dev/null @@ -1,84 +0,0 @@ -/* - * linux/arch/mips/tx4938/common/handler.S - * - * Primary interrupt handler for tx4938 based systems - * Copyright (C) 2000-2001 Toshiba Corporation - * - * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the - * terms of the GNU General Public License version 2. This program is - * licensed "as is" without any warranty of any kind, whether express - * or implied. - * - * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com) - */ -#include <asm/asm.h> -#include <asm/mipsregs.h> -#include <asm/addrspace.h> -#include <asm/regdef.h> -#include <asm/stackframe.h> -#include <asm/tx4938/rbtx4938.h> - - - .align 5 - NESTED(tx4938_irq_handler, PT_SIZE, sp) - SAVE_ALL - CLI - .set at - - mfc0 t0, CP0_CAUSE - mfc0 t1, CP0_STATUS - and t0, t1 - - andi t1, t0, STATUSF_IP7 /* cpu timer */ - bnez t1, ll_ip7 - - /* IP6..IP3 multiplexed -- do not use */ - - andi t1, t0, STATUSF_IP2 /* tx4938 pic */ - bnez t1, ll_ip2 - - andi t1, t0, STATUSF_IP1 /* user line 1 */ - bnez t1, ll_ip1 - - andi t1, t0, STATUSF_IP0 /* user line 0 */ - bnez t1, ll_ip0 - - .set reorder - - nop - END(tx4938_irq_handler) - - .align 5 - - -ll_ip7: - li a0, TX4938_IRQ_CPU_TIMER - move a1, sp - jal do_IRQ - j ret_from_irq - - -ll_ip2: - jal tx4938_irq_nested - nop - beqz v0, goto_spurious_interrupt - nop - move a0, v0 - move a1, sp - jal do_IRQ - j ret_from_irq - -goto_spurious_interrupt: - j ret_from_irq - -ll_ip1: - li a0, TX4938_IRQ_USER1 - move a1, sp - jal do_IRQ - j ret_from_irq - -ll_ip0: - li a0, TX4938_IRQ_USER0 - move a1, sp - jal do_IRQ - j ret_from_irq diff --git a/arch/mips/tx4938/common/prom.c b/arch/mips/tx4938/common/prom.c deleted file mode 100644 index 3189a65f7d7..00000000000 --- a/arch/mips/tx4938/common/prom.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * linux/arch/mips/tx4938/common/prom.c - * - * common tx4938 memory interface - * Copyright (C) 2000-2001 Toshiba Corporation - * - * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the - * terms of the GNU General Public License version 2. This program is - * licensed "as is" without any warranty of any kind, whether express - * or implied. - * - * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com) - */ - -#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/tx4938/tx4938.h> - -static unsigned int __init -tx4938_process_sdccr(u64 * addr) -{ - u64 val; - unsigned int sdccr_ce; - unsigned int sdccr_rs; - unsigned int sdccr_cs; - unsigned int sdccr_mw; - unsigned int rs = 0; - unsigned int cs = 0; - unsigned int mw = 0; - unsigned int bc = 4; - unsigned int msize = 0; - - val = (*((vu64 *) (addr))); - - /* MVMCP -- need #defs for these bits masks */ - sdccr_ce = ((val & (1 << 10)) >> 10); - sdccr_rs = ((val & (3 << 5)) >> 5); - sdccr_cs = ((val & (7 << 2)) >> 2); - sdccr_mw = ((val & (1 << 0)) >> 0); - - if (sdccr_ce) { - switch (sdccr_rs) { - case 0:{ - rs = 2048; - break; - } - case 1:{ - rs = 4096; - break; - } - case 2:{ - rs = 8192; - break; - } - default:{ - rs = 0; - break; - } - } - switch (sdccr_cs) { - case 0:{ - cs = 256; - break; - } - case 1:{ - cs = 512; - break; - } - case 2:{ - cs = 1024; - break; - } - case 3:{ - cs = 2048; - break; - } - case 4:{ - cs = 4096; - break; - } - default:{ - cs = 0; - break; - } - } - switch (sdccr_mw) { - case 0:{ - mw = 8; - break; - } /* 8 bytes = 64 bits */ - case 1:{ - mw = 4; - break; - } /* 4 bytes = 32 bits */ - } - } - - /* bytes per chip MB per chip bank count */ - msize = (((rs * cs * mw) / (1024 * 1024)) * (bc)); - - /* MVMCP -- bc hard coded to 4 from table 9.3.1 */ - /* boad supports bc=2 but no way to detect */ - - return (msize); -} - -unsigned int __init -tx4938_get_mem_size(void) -{ - unsigned int c0; - unsigned int c1; - unsigned int c2; - unsigned int c3; - unsigned int total; - - /* MVMCP -- need #defs for these registers */ - c0 = tx4938_process_sdccr((u64 *) 0xff1f8000); - c1 = tx4938_process_sdccr((u64 *) 0xff1f8008); - c2 = tx4938_process_sdccr((u64 *) 0xff1f8010); - c3 = tx4938_process_sdccr((u64 *) 0xff1f8018); - total = c0 + c1 + c2 + c3; - - return (total); -} diff --git a/arch/mips/tx4938/common/rtc_rx5c348.c b/arch/mips/tx4938/common/rtc_rx5c348.c deleted file mode 100644 index d249edbb6af..00000000000 --- a/arch/mips/tx4938/common/rtc_rx5c348.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * RTC routines for RICOH Rx5C348 SPI chip. - * Copyright (C) 2000-2001 Toshiba Corporation - * - * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the - * terms of the GNU General Public License version 2. This program is - * licensed "as is" without any warranty of any kind, whether express - * or implied. - * - * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com) - */ -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/rtc.h> -#include <linux/time.h> -#include <asm/time.h> -#include <asm/tx4938/spi.h> - -#define EPOCH 2000 - -/* registers */ -#define Rx5C348_REG_SECOND 0 -#define Rx5C348_REG_MINUTE 1 -#define Rx5C348_REG_HOUR 2 -#define Rx5C348_REG_WEEK 3 -#define Rx5C348_REG_DAY 4 -#define Rx5C348_REG_MONTH 5 -#define Rx5C348_REG_YEAR 6 -#define Rx5C348_REG_ADJUST 7 -#define Rx5C348_REG_ALARM_W_MIN 8 -#define Rx5C348_REG_ALARM_W_HOUR 9 -#define Rx5C348_REG_ALARM_W_WEEK 10 -#define Rx5C348_REG_ALARM_D_MIN 11 -#define Rx5C348_REG_ALARM_D_HOUR 12 -#define Rx5C348_REG_CTL1 14 -#define Rx5C348_REG_CTL2 15 - -/* register bits */ -#define Rx5C348_BIT_PM 0x20 /* REG_HOUR */ -#define Rx5C348_BIT_Y2K 0x80 /* REG_MONTH */ -#define Rx5C348_BIT_24H 0x20 /* REG_CTL1 */ -#define Rx5C348_BIT_XSTP 0x10 /* REG_CTL2 */ - -/* commands */ -#define Rx5C348_CMD_W(addr) (((addr) << 4) | 0x08) /* single write */ -#define Rx5C348_CMD_R(addr) (((addr) << 4) | 0x0c) /* single read */ -#define Rx5C348_CMD_MW(addr) (((addr) << 4) | 0x00) /* burst write */ -#define Rx5C348_CMD_MR(addr) (((addr) << 4) | 0x04) /* burst read */ - -static struct spi_dev_desc srtc_dev_desc = { - .baud = 1000000, /* 1.0Mbps @ Vdd 2.0V */ - .tcss = 31, - .tcsh = 1, - .tcsr = 62, - /* 31us for Tcss (62us for Tcsr) is required for carry operation) */ - .byteorder = 1, /* MSB-First */ - .polarity = 0, /* High-Active */ - .phase = 1, /* Shift-Then-Sample */ - -}; -static int srtc_chipid; -static int srtc_24h; - -static inline int -spi_rtc_io(unsigned char *inbuf, unsigned char *outbuf, unsigned int count) -{ - unsigned char *inbufs[1], *outbufs[1]; - unsigned int incounts[2], outcounts[2]; - inbufs[0] = inbuf; - incounts[0] = count; - incounts[1] = 0; - outbufs[0] = outbuf; - outcounts[0] = count; - outcounts[1] = 0; - return txx9_spi_io(srtc_chipid, &srtc_dev_desc, - inbufs, incounts, outbufs, outcounts, 0); -} - -/* - * Conversion between binary and BCD. - */ -#ifndef BCD_TO_BIN -#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10) -#endif - -#ifndef BIN_TO_BCD -#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10) -#endif - -/* RTC-dependent code for time.c */ - -static int -rtc_rx5c348_set_time(unsigned long t) -{ - unsigned char inbuf[8]; - struct rtc_time tm; - u8 year, month, day, hour, minute, second, century; - - /* convert */ - to_tm(t, &tm); - - year = tm.tm_year % 100; - month = tm.tm_mon+1; /* tm_mon starts from 0 to 11 */ - day = tm.tm_mday; - hour = tm.tm_hour; - minute = tm.tm_min; - second = tm.tm_sec; - century = tm.tm_year / 100; - - inbuf[0] = Rx5C348_CMD_MW(Rx5C348_REG_SECOND); - BIN_TO_BCD(second); - inbuf[1] = second; - BIN_TO_BCD(minute); - inbuf[2] = minute; - - if (srtc_24h) { - BIN_TO_BCD(hour); - inbuf[3] = hour; - } else { - /* hour 0 is AM12, noon is PM12 */ - inbuf[3] = 0; - if (hour >= 12) - inbuf[3] = Rx5C348_BIT_PM; - hour = (hour + 11) % 12 + 1; - BIN_TO_BCD(hour); - inbuf[3] |= hour; - } - inbuf[4] = 0; /* ignore week */ - BIN_TO_BCD(day); - inbuf[5] = day; - BIN_TO_BCD(month); - inbuf[6] = month; - if (century >= 20) - inbuf[6] |= Rx5C348_BIT_Y2K; - BIN_TO_BCD(year); - inbuf[7] = year; - /* write in one transfer to avoid data inconsistency */ - return spi_rtc_io(inbuf, NULL, 8); -} - -static unsigned long -rtc_rx5c348_get_time(void) -{ - unsigned char inbuf[8], outbuf[8]; - unsigned int year, month, day, hour, minute, second; - - inbuf[0] = Rx5C348_CMD_MR(Rx5C348_REG_SECOND); - memset(inbuf + 1, 0, 7); - /* read in one transfer to avoid data inconsistency */ - if (spi_rtc_io(inbuf, outbuf, 8)) - return 0; - second = outbuf[1]; - BCD_TO_BIN(second); - minute = outbuf[2]; - BCD_TO_BIN(minute); - if (srtc_24h) { - hour = outbuf[3]; - BCD_TO_BIN(hour); - } else { - hour = outbuf[3] & ~Rx5C348_BIT_PM; - BCD_TO_BIN(hour); - hour %= 12; - if (outbuf[3] & Rx5C348_BIT_PM) - hour += 12; - } - day = outbuf[5]; - BCD_TO_BIN(day); - month = outbuf[6] & ~Rx5C348_BIT_Y2K; - BCD_TO_BIN(month); - year = outbuf[7]; - BCD_TO_BIN(year); - year += EPOCH; - - return mktime(year, month, day, hour, minute, second); -} - -void __init -rtc_rx5c348_init(int chipid) -{ - unsigned char inbuf[2], outbuf[2]; - srtc_chipid = chipid; - /* turn on RTC if it is not on */ - inbuf[0] = Rx5C348_CMD_R(Rx5C348_REG_CTL2); - inbuf[1] = 0; - spi_rtc_io(inbuf, outbuf, 2); - if (outbuf[1] & Rx5C348_BIT_XSTP) { - inbuf[0] = Rx5C348_CMD_W(Rx5C348_REG_CTL2); - inbuf[1] = 0; - spi_rtc_io(inbuf, NULL, 2); - } - - inbuf[0] = Rx5C348_CMD_R(Rx5C348_REG_CTL1); - inbuf[1] = 0; - spi_rtc_io(inbuf, outbuf, 2); - if (outbuf[1] & Rx5C348_BIT_24H) - srtc_24h = 1; - - /* set the function pointers */ - rtc_get_time = rtc_rx5c348_get_time; - rtc_set_time = rtc_rx5c348_set_time; -} diff --git a/arch/mips/tx4938/common/setup.c b/arch/mips/tx4938/common/setup.c deleted file mode 100644 index fc992953bf9..00000000000 --- a/arch/mips/tx4938/common/setup.c +++ /dev/null @@ -1,91 +0,0 @@ -/* - * linux/arch/mips/tx4938/common/setup.c - * - * common tx4938 setup routines - * - * 2003-2005 (c) MontaVista Software, Inc. This file is licensed under the - * terms of the GNU General Public License version 2. This program is - * licensed "as is" without any warranty of any kind, whether express - * or implied. - * - * Support for TX4938 in 2.6 - Manish Lachwani (mlachwani@mvista.com) - */ - -#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/irq.h> -#include <asm/bitops.h> -#include <asm/bootinfo.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/mipsregs.h> -#include <asm/system.h> -#include <asm/time.h> -#include <asm/time.h> -#include <asm/tx4938/rbtx4938.h> - -extern void toshiba_rbtx4938_setup(void); -extern void rbtx4938_time_init(void); - -void __init tx4938_setup(void); -void __init tx4938_time_init(void); -void __init tx4938_timer_setup(struct irqaction *irq); -void dump_cp0(char *key); - -void (*__wbflush) (void); - -static void -tx4938_write_buffer_flush(void) -{ - mmiowb(); - - __asm__ __volatile__( - ".set push\n\t" - ".set noreorder\n\t" - "lw $0,%0\n\t" - "nop\n\t" - ".set pop" - : /* no output */ - : "m" (*(int *)KSEG1) - : "memory"); -} - -void __init -plat_setup(void) -{ - board_time_init = tx4938_time_init; - board_timer_setup = tx4938_timer_setup; - __wbflush = tx4938_write_buffer_flush; - toshiba_rbtx4938_setup(); -} - -void __init -tx4938_time_init(void) -{ - rbtx4938_time_init(); -} - -void __init -tx4938_timer_setup(struct irqaction *irq) -{ - u32 count; - u32 c1; - u32 c2; - - setup_irq(TX4938_IRQ_CPU_TIMER, irq); - - c1 = read_c0_count(); - count = c1 + (mips_hpt_frequency / HZ); - write_c0_compare(count); - c2 = read_c0_count(); -} |