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-rw-r--r--arch/mips/lasat/Kconfig16
-rw-r--r--arch/mips/lasat/Makefile15
-rw-r--r--arch/mips/lasat/Platform7
-rw-r--r--arch/mips/lasat/at93c.c148
-rw-r--r--arch/mips/lasat/at93c.h19
-rw-r--r--arch/mips/lasat/ds1603.c190
-rw-r--r--arch/mips/lasat/ds1603.h32
-rw-r--r--arch/mips/lasat/image/Makefile53
-rw-r--r--arch/mips/lasat/image/head.S32
-rw-r--r--arch/mips/lasat/image/romscript.normal23
-rw-r--r--arch/mips/lasat/interrupt.c135
-rw-r--r--arch/mips/lasat/lasat_board.c280
-rw-r--r--arch/mips/lasat/lasat_models.h68
-rw-r--r--arch/mips/lasat/picvue.c241
-rw-r--r--arch/mips/lasat/picvue.h45
-rw-r--r--arch/mips/lasat/picvue_proc.c210
-rw-r--r--arch/mips/lasat/prom.c126
-rw-r--r--arch/mips/lasat/prom.h8
-rw-r--r--arch/mips/lasat/reset.c60
-rw-r--r--arch/mips/lasat/serial.c93
-rw-r--r--arch/mips/lasat/setup.c153
-rw-r--r--arch/mips/lasat/sysctl.c280
22 files changed, 2234 insertions, 0 deletions
diff --git a/arch/mips/lasat/Kconfig b/arch/mips/lasat/Kconfig
new file mode 100644
index 000000000..11b89e94b
--- /dev/null
+++ b/arch/mips/lasat/Kconfig
@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0
+config PICVUE
+ tristate "PICVUE LCD display driver"
+ depends on LASAT
+
+config PICVUE_PROC
+ tristate "PICVUE LCD display driver /proc interface"
+ depends on PICVUE && PROC_FS
+
+config DS1603
+ bool "DS1603 RTC driver"
+ depends on LASAT
+
+config LASAT_SYSCTL
+ bool "LASAT sysctl interface"
+ depends on LASAT
diff --git a/arch/mips/lasat/Makefile b/arch/mips/lasat/Makefile
new file mode 100644
index 000000000..1789b227e
--- /dev/null
+++ b/arch/mips/lasat/Makefile
@@ -0,0 +1,15 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for the LASAT specific kernel interface routines under Linux.
+#
+
+obj-y += reset.o setup.o prom.o lasat_board.o \
+ at93c.o interrupt.o serial.o
+
+obj-$(CONFIG_LASAT_SYSCTL) += sysctl.o
+obj-$(CONFIG_DS1603) += ds1603.o
+obj-$(CONFIG_PICVUE) += picvue.o
+obj-$(CONFIG_PICVUE_PROC) += picvue_proc.o
+
+clean:
+ make -C image clean
diff --git a/arch/mips/lasat/Platform b/arch/mips/lasat/Platform
new file mode 100644
index 000000000..760252828
--- /dev/null
+++ b/arch/mips/lasat/Platform
@@ -0,0 +1,7 @@
+#
+# LASAT platforms
+#
+platform-$(CONFIG_LASAT) += lasat/
+cflags-$(CONFIG_LASAT) += \
+ -I$(srctree)/arch/mips/include/asm/mach-lasat
+load-$(CONFIG_LASAT) += 0xffffffff80000000
diff --git a/arch/mips/lasat/at93c.c b/arch/mips/lasat/at93c.c
new file mode 100644
index 000000000..f895fe94b
--- /dev/null
+++ b/arch/mips/lasat/at93c.c
@@ -0,0 +1,148 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Atmel AT93C46 serial eeprom driver
+ *
+ * Brian Murphy <brian.murphy@eicon.com>
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <asm/lasat/lasat.h>
+
+#include "at93c.h"
+
+#define AT93C_ADDR_SHIFT 7
+#define AT93C_ADDR_MAX ((1 << AT93C_ADDR_SHIFT) - 1)
+#define AT93C_RCMD (0x6 << AT93C_ADDR_SHIFT)
+#define AT93C_WCMD (0x5 << AT93C_ADDR_SHIFT)
+#define AT93C_WENCMD 0x260
+#define AT93C_WDSCMD 0x200
+
+struct at93c_defs *at93c;
+
+static void at93c_reg_write(u32 val)
+{
+ *at93c->reg = val;
+}
+
+static u32 at93c_reg_read(void)
+{
+ u32 tmp = *at93c->reg;
+ return tmp;
+}
+
+static u32 at93c_datareg_read(void)
+{
+ u32 tmp = *at93c->rdata_reg;
+ return tmp;
+}
+
+static void at93c_cycle_clk(u32 data)
+{
+ at93c_reg_write(data | at93c->clk);
+ lasat_ndelay(250);
+ at93c_reg_write(data & ~at93c->clk);
+ lasat_ndelay(250);
+}
+
+static void at93c_write_databit(u8 bit)
+{
+ u32 data = at93c_reg_read();
+ if (bit)
+ data |= 1 << at93c->wdata_shift;
+ else
+ data &= ~(1 << at93c->wdata_shift);
+
+ at93c_reg_write(data);
+ lasat_ndelay(100);
+ at93c_cycle_clk(data);
+}
+
+static unsigned int at93c_read_databit(void)
+{
+ u32 data;
+
+ at93c_cycle_clk(at93c_reg_read());
+ data = (at93c_datareg_read() >> at93c->rdata_shift) & 1;
+ return data;
+}
+
+static u8 at93c_read_byte(void)
+{
+ int i;
+ u8 data = 0;
+
+ for (i = 0; i <= 7; i++) {
+ data <<= 1;
+ data |= at93c_read_databit();
+ }
+ return data;
+}
+
+static void at93c_write_bits(u32 data, int size)
+{
+ int i;
+ int shift = size - 1;
+ u32 mask = (1 << shift);
+
+ for (i = 0; i < size; i++) {
+ at93c_write_databit((data & mask) >> shift);
+ data <<= 1;
+ }
+}
+
+static void at93c_init_op(void)
+{
+ at93c_reg_write((at93c_reg_read() | at93c->cs) &
+ ~at93c->clk & ~(1 << at93c->rdata_shift));
+ lasat_ndelay(50);
+}
+
+static void at93c_end_op(void)
+{
+ at93c_reg_write(at93c_reg_read() & ~at93c->cs);
+ lasat_ndelay(250);
+}
+
+static void at93c_wait(void)
+{
+ at93c_init_op();
+ while (!at93c_read_databit())
+ ;
+ at93c_end_op();
+};
+
+static void at93c_disable_wp(void)
+{
+ at93c_init_op();
+ at93c_write_bits(AT93C_WENCMD, 10);
+ at93c_end_op();
+}
+
+static void at93c_enable_wp(void)
+{
+ at93c_init_op();
+ at93c_write_bits(AT93C_WDSCMD, 10);
+ at93c_end_op();
+}
+
+u8 at93c_read(u8 addr)
+{
+ u8 byte;
+ at93c_init_op();
+ at93c_write_bits((addr & AT93C_ADDR_MAX)|AT93C_RCMD, 10);
+ byte = at93c_read_byte();
+ at93c_end_op();
+ return byte;
+}
+
+void at93c_write(u8 addr, u8 data)
+{
+ at93c_disable_wp();
+ at93c_init_op();
+ at93c_write_bits((addr & AT93C_ADDR_MAX)|AT93C_WCMD, 10);
+ at93c_write_bits(data, 8);
+ at93c_end_op();
+ at93c_wait();
+ at93c_enable_wp();
+}
diff --git a/arch/mips/lasat/at93c.h b/arch/mips/lasat/at93c.h
new file mode 100644
index 000000000..7a99a02d8
--- /dev/null
+++ b/arch/mips/lasat/at93c.h
@@ -0,0 +1,19 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Atmel AT93C46 serial eeprom driver
+ *
+ * Brian Murphy <brian.murphy@eicon.com>
+ *
+ */
+
+extern struct at93c_defs {
+ volatile u32 *reg;
+ volatile u32 *rdata_reg;
+ int rdata_shift;
+ int wdata_shift;
+ u32 cs;
+ u32 clk;
+} *at93c;
+
+u8 at93c_read(u8 addr);
+void at93c_write(u8 addr, u8 data);
diff --git a/arch/mips/lasat/ds1603.c b/arch/mips/lasat/ds1603.c
new file mode 100644
index 000000000..e6ce39fef
--- /dev/null
+++ b/arch/mips/lasat/ds1603.c
@@ -0,0 +1,190 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Dallas Semiconductors 1603 RTC driver
+ *
+ * Brian Murphy <brian@murphy.dk>
+ *
+ */
+#include <linux/kernel.h>
+#include <asm/lasat/lasat.h>
+#include <linux/delay.h>
+#include <asm/lasat/ds1603.h>
+#include <asm/time.h>
+
+#include "ds1603.h"
+
+#define READ_TIME_CMD 0x81
+#define SET_TIME_CMD 0x80
+#define TRIMMER_SET_CMD 0xC0
+#define TRIMMER_VALUE_MASK 0x38
+#define TRIMMER_SHIFT 3
+
+struct ds_defs *ds1603;
+
+/* HW specific register functions */
+static void rtc_reg_write(unsigned long val)
+{
+ *ds1603->reg = val;
+}
+
+static unsigned long rtc_reg_read(void)
+{
+ unsigned long tmp = *ds1603->reg;
+ return tmp;
+}
+
+static unsigned long rtc_datareg_read(void)
+{
+ unsigned long tmp = *ds1603->data_reg;
+ return tmp;
+}
+
+static void rtc_nrst_high(void)
+{
+ rtc_reg_write(rtc_reg_read() | ds1603->rst);
+}
+
+static void rtc_nrst_low(void)
+{
+ rtc_reg_write(rtc_reg_read() & ~ds1603->rst);
+}
+
+static void rtc_cycle_clock(unsigned long data)
+{
+ data |= ds1603->clk;
+ rtc_reg_write(data);
+ lasat_ndelay(250);
+ if (ds1603->data_reversed)
+ data &= ~ds1603->data;
+ else
+ data |= ds1603->data;
+ data &= ~ds1603->clk;
+ rtc_reg_write(data);
+ lasat_ndelay(250 + ds1603->huge_delay);
+}
+
+static void rtc_write_databit(unsigned int bit)
+{
+ unsigned long data = rtc_reg_read();
+ if (ds1603->data_reversed)
+ bit = !bit;
+ if (bit)
+ data |= ds1603->data;
+ else
+ data &= ~ds1603->data;
+
+ rtc_reg_write(data);
+ lasat_ndelay(50 + ds1603->huge_delay);
+ rtc_cycle_clock(data);
+}
+
+static unsigned int rtc_read_databit(void)
+{
+ unsigned int data;
+
+ data = (rtc_datareg_read() & (1 << ds1603->data_read_shift))
+ >> ds1603->data_read_shift;
+ rtc_cycle_clock(rtc_reg_read());
+ return data;
+}
+
+static void rtc_write_byte(unsigned int byte)
+{
+ int i;
+
+ for (i = 0; i <= 7; i++) {
+ rtc_write_databit(byte & 1L);
+ byte >>= 1;
+ }
+}
+
+static void rtc_write_word(unsigned long word)
+{
+ int i;
+
+ for (i = 0; i <= 31; i++) {
+ rtc_write_databit(word & 1L);
+ word >>= 1;
+ }
+}
+
+static unsigned long rtc_read_word(void)
+{
+ int i;
+ unsigned long word = 0;
+ unsigned long shift = 0;
+
+ for (i = 0; i <= 31; i++) {
+ word |= rtc_read_databit() << shift;
+ shift++;
+ }
+ return word;
+}
+
+static void rtc_init_op(void)
+{
+ rtc_nrst_high();
+
+ rtc_reg_write(rtc_reg_read() & ~ds1603->clk);
+
+ lasat_ndelay(50);
+}
+
+static void rtc_end_op(void)
+{
+ rtc_nrst_low();
+ lasat_ndelay(1000);
+}
+
+void read_persistent_clock64(struct timespec64 *ts)
+{
+ unsigned long word;
+ unsigned long flags;
+
+ spin_lock_irqsave(&rtc_lock, flags);
+ rtc_init_op();
+ rtc_write_byte(READ_TIME_CMD);
+ word = rtc_read_word();
+ rtc_end_op();
+ spin_unlock_irqrestore(&rtc_lock, flags);
+
+ ts->tv_sec = word;
+ ts->tv_nsec = 0;
+}
+
+int update_persistent_clock64(struct timespec64 now)
+{
+ time64_t time = now.tv_sec;
+ unsigned long flags;
+
+ spin_lock_irqsave(&rtc_lock, flags);
+ rtc_init_op();
+ rtc_write_byte(SET_TIME_CMD);
+ /*
+ * Due to the hardware limitation, we cast to 'unsigned long' type,
+ * so it will overflow in year 2106 on 32-bit machine.
+ */
+ rtc_write_word((unsigned long)time);
+ rtc_end_op();
+ spin_unlock_irqrestore(&rtc_lock, flags);
+
+ return 0;
+}
+
+void ds1603_set_trimmer(unsigned int trimval)
+{
+ rtc_init_op();
+ rtc_write_byte(((trimval << TRIMMER_SHIFT) & TRIMMER_VALUE_MASK)
+ | (TRIMMER_SET_CMD));
+ rtc_end_op();
+}
+
+void ds1603_disable(void)
+{
+ ds1603_set_trimmer(TRIMMER_DISABLE_RTC);
+}
+
+void ds1603_enable(void)
+{
+ ds1603_set_trimmer(TRIMMER_DEFAULT);
+}
diff --git a/arch/mips/lasat/ds1603.h b/arch/mips/lasat/ds1603.h
new file mode 100644
index 000000000..00987d3bd
--- /dev/null
+++ b/arch/mips/lasat/ds1603.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Dallas Semiconductors 1603 RTC driver
+ *
+ * Brian Murphy <brian@murphy.dk>
+ *
+ */
+#ifndef __DS1603_H
+#define __DS1603_H
+
+struct ds_defs {
+ volatile u32 *reg;
+ volatile u32 *data_reg;
+ u32 rst;
+ u32 clk;
+ u32 data;
+ u32 data_read_shift;
+ char data_reversed;
+ u32 huge_delay;
+};
+
+extern struct ds_defs *ds1603;
+
+void ds1603_set_trimmer(unsigned int);
+void ds1603_enable(void);
+void ds1603_disable(void);
+void ds1603_init(struct ds_defs *);
+
+#define TRIMMER_DEFAULT 3
+#define TRIMMER_DISABLE_RTC 0
+
+#endif
diff --git a/arch/mips/lasat/image/Makefile b/arch/mips/lasat/image/Makefile
new file mode 100644
index 000000000..78ce4cff1
--- /dev/null
+++ b/arch/mips/lasat/image/Makefile
@@ -0,0 +1,53 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# MAKEFILE FOR THE MIPS LINUX BOOTLOADER AND ROM DEBUGGER
+#
+# i-data Networks
+#
+# Author: Thomas Horsten <thh@i-data.com>
+#
+
+ifndef Version
+ Version = "$(USER)-test"
+endif
+
+MKLASATIMG = mklasatimg
+MKLASATIMG_ARCH = mq2,mqpro,sp100,sp200
+KERNEL_IMAGE = vmlinux
+
+LDSCRIPT= -L$(srctree)/$(src) -Tromscript.normal
+
+HEAD_DEFINES := -D_kernel_start=$(VMLINUX_LOAD_ADDRESS) \
+ -D_kernel_entry=$(VMLINUX_ENTRY_ADDRESS) \
+ -D VERSION="\"$(Version)\"" \
+ -D TIMESTAMP=$(shell date +%s)
+
+$(obj)/head.o: $(obj)/head.S $(KERNEL_IMAGE)
+ $(CC) -fno-pic $(HEAD_DEFINES) $(LINUXINCLUDE) -c -o $@ $<
+
+OBJECTS = head.o kImage.o
+
+rom.sw: $(obj)/rom.sw
+rom.bin: $(obj)/rom.bin
+
+$(obj)/rom.sw: $(obj)/rom.bin
+ $(MKLASATIMG) -o $@ -k $^ -m $(MKLASATIMG_ARCH)
+
+$(obj)/rom.bin: $(obj)/rom
+ $(OBJCOPY) -O binary -S $^ $@
+
+# Rule to make the bootloader
+$(obj)/rom: $(addprefix $(obj)/,$(OBJECTS))
+ $(LD) $(KBUILD_LDFLAGS) $(LDSCRIPT) -o $@ $^
+
+$(obj)/%.o: $(obj)/%.gz
+ $(LD) -r -o $@ -b binary $<
+
+$(obj)/%.gz: $(obj)/%.bin
+ gzip -cf -9 $< > $@
+
+$(obj)/kImage.bin: $(KERNEL_IMAGE)
+ $(OBJCOPY) -O binary -S $^ $@
+
+clean:
+ rm -f rom rom.bin rom.sw kImage.bin kImage.o
diff --git a/arch/mips/lasat/image/head.S b/arch/mips/lasat/image/head.S
new file mode 100644
index 000000000..1a27312d4
--- /dev/null
+++ b/arch/mips/lasat/image/head.S
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <asm/lasat/head.h>
+
+ .text
+ .section .text..start, "ax"
+ .set noreorder
+ .set mips3
+
+ /* Magic words identifying a software image */
+ .word LASAT_K_MAGIC0_VAL
+ .word LASAT_K_MAGIC1_VAL
+
+ /* Image header version */
+ .word 0x00000002
+
+ /* image start and size */
+ .word _image_start
+ .word _image_size
+
+ /* start of kernel and entrypoint in uncompressed image */
+ .word _kernel_start
+ .word _kernel_entry
+
+ /* Here we have room for future flags */
+
+ .org 0x40
+reldate:
+ .word TIMESTAMP
+
+ .org 0x50
+release:
+ .string VERSION
diff --git a/arch/mips/lasat/image/romscript.normal b/arch/mips/lasat/image/romscript.normal
new file mode 100644
index 000000000..0864c963e
--- /dev/null
+++ b/arch/mips/lasat/image/romscript.normal
@@ -0,0 +1,23 @@
+OUTPUT_ARCH(mips)
+
+SECTIONS
+{
+ .text :
+ {
+ *(.text..start)
+ }
+
+ /* Data in ROM */
+
+ .data ALIGN(0x10) :
+ {
+ *(.data)
+ }
+ _image_start = ADDR(.data);
+ _image_size = SIZEOF(.data);
+
+ .other :
+ {
+ *(.*)
+ }
+}
diff --git a/arch/mips/lasat/interrupt.c b/arch/mips/lasat/interrupt.c
new file mode 100644
index 000000000..d608b6ef0
--- /dev/null
+++ b/arch/mips/lasat/interrupt.c
@@ -0,0 +1,135 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * 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.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Routines for generic manipulation of the interrupts found on the
+ * Lasat boards.
+ */
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+
+#include <asm/irq_cpu.h>
+#include <asm/lasat/lasat.h>
+#include <asm/lasat/lasatint.h>
+
+#include <irq.h>
+
+static volatile int *lasat_int_status;
+static volatile int *lasat_int_mask;
+static volatile int lasat_int_mask_shift;
+
+void disable_lasat_irq(struct irq_data *d)
+{
+ unsigned int irq_nr = d->irq - LASAT_IRQ_BASE;
+
+ *lasat_int_mask &= ~(1 << irq_nr) << lasat_int_mask_shift;
+}
+
+void enable_lasat_irq(struct irq_data *d)
+{
+ unsigned int irq_nr = d->irq - LASAT_IRQ_BASE;
+
+ *lasat_int_mask |= (1 << irq_nr) << lasat_int_mask_shift;
+}
+
+static struct irq_chip lasat_irq_type = {
+ .name = "Lasat",
+ .irq_mask = disable_lasat_irq,
+ .irq_unmask = enable_lasat_irq,
+};
+
+static inline int ls1bit32(unsigned int x)
+{
+ int b = 31, s;
+
+ s = 16; if (x << 16 == 0) s = 0; b -= s; x <<= s;
+ s = 8; if (x << 8 == 0) s = 0; b -= s; x <<= s;
+ s = 4; if (x << 4 == 0) s = 0; b -= s; x <<= s;
+ s = 2; if (x << 2 == 0) s = 0; b -= s; x <<= s;
+ s = 1; if (x << 1 == 0) s = 0; b -= s;
+
+ return b;
+}
+
+static unsigned long (*get_int_status)(void);
+
+static unsigned long get_int_status_100(void)
+{
+ return *lasat_int_status & *lasat_int_mask;
+}
+
+static unsigned long get_int_status_200(void)
+{
+ unsigned long int_status;
+
+ int_status = *lasat_int_status;
+ int_status &= (int_status >> LASATINT_MASK_SHIFT_200) & 0xffff;
+ return int_status;
+}
+
+asmlinkage void plat_irq_dispatch(void)
+{
+ unsigned long int_status;
+ unsigned int cause = read_c0_cause();
+ int irq;
+
+ if (cause & CAUSEF_IP7) { /* R4000 count / compare IRQ */
+ do_IRQ(7);
+ return;
+ }
+
+ int_status = get_int_status();
+
+ /* if int_status == 0, then the interrupt has already been cleared */
+ if (int_status) {
+ irq = LASAT_IRQ_BASE + ls1bit32(int_status);
+
+ do_IRQ(irq);
+ }
+}
+
+static struct irqaction cascade = {
+ .handler = no_action,
+ .name = "cascade",
+ .flags = IRQF_NO_THREAD,
+};
+
+void __init arch_init_irq(void)
+{
+ int i;
+
+ if (IS_LASAT_200()) {
+ lasat_int_status = (void *)LASAT_INT_STATUS_REG_200;
+ lasat_int_mask = (void *)LASAT_INT_MASK_REG_200;
+ lasat_int_mask_shift = LASATINT_MASK_SHIFT_200;
+ get_int_status = get_int_status_200;
+ *lasat_int_mask &= 0xffff;
+ } else {
+ lasat_int_status = (void *)LASAT_INT_STATUS_REG_100;
+ lasat_int_mask = (void *)LASAT_INT_MASK_REG_100;
+ lasat_int_mask_shift = LASATINT_MASK_SHIFT_100;
+ get_int_status = get_int_status_100;
+ *lasat_int_mask = 0;
+ }
+
+ mips_cpu_irq_init();
+
+ for (i = LASAT_IRQ_BASE; i <= LASAT_IRQ_END; i++)
+ irq_set_chip_and_handler(i, &lasat_irq_type, handle_level_irq);
+
+ setup_irq(LASAT_CASCADE_IRQ, &cascade);
+}
diff --git a/arch/mips/lasat/lasat_board.c b/arch/mips/lasat/lasat_board.c
new file mode 100644
index 000000000..577bb463a
--- /dev/null
+++ b/arch/mips/lasat/lasat_board.c
@@ -0,0 +1,280 @@
+/*
+ * Thomas Horsten <thh@lasat.com>
+ * Copyright (C) 2000 LASAT Networks A/S.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * 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.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Routines specific to the LASAT boards
+ */
+#include <linux/types.h>
+#include <linux/crc32.h>
+#include <asm/lasat/lasat.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+#include <linux/mutex.h>
+#include <asm/addrspace.h>
+#include "at93c.h"
+/* New model description table */
+#include "lasat_models.h"
+
+static DEFINE_MUTEX(lasat_eeprom_mutex);
+
+#define EEPROM_CRC(data, len) (~crc32(~0, data, len))
+
+struct lasat_info lasat_board_info;
+
+int EEPROMRead(unsigned int pos, unsigned char *data, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ *data++ = at93c_read(pos++);
+
+ return 0;
+}
+
+int EEPROMWrite(unsigned int pos, unsigned char *data, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++)
+ at93c_write(pos++, *data++);
+
+ return 0;
+}
+
+static void init_flash_sizes(void)
+{
+ unsigned long *lb = lasat_board_info.li_flashpart_base;
+ unsigned long *ls = lasat_board_info.li_flashpart_size;
+ int i;
+
+ ls[LASAT_MTD_BOOTLOADER] = 0x40000;
+ ls[LASAT_MTD_SERVICE] = 0xC0000;
+ ls[LASAT_MTD_NORMAL] = 0x100000;
+
+ if (!IS_LASAT_200()) {
+ lasat_board_info.li_flash_base = 0x1e000000;
+
+ lb[LASAT_MTD_BOOTLOADER] = 0x1e400000;
+
+ if (lasat_board_info.li_flash_size > 0x200000) {
+ ls[LASAT_MTD_CONFIG] = 0x100000;
+ ls[LASAT_MTD_FS] = 0x500000;
+ }
+ } else {
+ lasat_board_info.li_flash_base = 0x10000000;
+
+ if (lasat_board_info.li_flash_size < 0x1000000) {
+ lb[LASAT_MTD_BOOTLOADER] = 0x10000000;
+ ls[LASAT_MTD_CONFIG] = 0x100000;
+ if (lasat_board_info.li_flash_size >= 0x400000)
+ ls[LASAT_MTD_FS] =
+ lasat_board_info.li_flash_size - 0x300000;
+ }
+ }
+
+ for (i = 1; i < LASAT_MTD_LAST; i++)
+ lb[i] = lb[i-1] + ls[i-1];
+}
+
+int lasat_init_board_info(void)
+{
+ int c;
+ unsigned long crc;
+ unsigned long cfg0, cfg1;
+ const struct product_info *ppi;
+ int i_n_base_models = N_BASE_MODELS;
+ const char * const * i_txt_base_models = txt_base_models;
+ int i_n_prids = N_PRIDS;
+
+ memset(&lasat_board_info, 0, sizeof(lasat_board_info));
+
+ /* First read the EEPROM info */
+ EEPROMRead(0, (unsigned char *)&lasat_board_info.li_eeprom_info,
+ sizeof(struct lasat_eeprom_struct));
+
+ /* Check the CRC */
+ crc = EEPROM_CRC((unsigned char *)(&lasat_board_info.li_eeprom_info),
+ sizeof(struct lasat_eeprom_struct) - 4);
+
+ if (crc != lasat_board_info.li_eeprom_info.crc32) {
+ printk(KERN_WARNING "WARNING...\nWARNING...\nEEPROM CRC does "
+ "not match calculated, attempting to soldier on...\n");
+ }
+
+ if (lasat_board_info.li_eeprom_info.version != LASAT_EEPROM_VERSION) {
+ printk(KERN_WARNING "WARNING...\nWARNING...\nEEPROM version "
+ "%d, wanted version %d, attempting to soldier on...\n",
+ (unsigned int)lasat_board_info.li_eeprom_info.version,
+ LASAT_EEPROM_VERSION);
+ }
+
+ cfg0 = lasat_board_info.li_eeprom_info.cfg[0];
+ cfg1 = lasat_board_info.li_eeprom_info.cfg[1];
+
+ if (LASAT_W0_DSCTYPE(cfg0) != 1) {
+ printk(KERN_WARNING "WARNING...\nWARNING...\n"
+ "Invalid configuration read from EEPROM, attempting to "
+ "soldier on...");
+ }
+ /* We have a valid configuration */
+
+ switch (LASAT_W0_SDRAMBANKSZ(cfg0)) {
+ case 0:
+ lasat_board_info.li_memsize = 0x0800000;
+ break;
+ case 1:
+ lasat_board_info.li_memsize = 0x1000000;
+ break;
+ case 2:
+ lasat_board_info.li_memsize = 0x2000000;
+ break;
+ case 3:
+ lasat_board_info.li_memsize = 0x4000000;
+ break;
+ case 4:
+ lasat_board_info.li_memsize = 0x8000000;
+ break;
+ default:
+ lasat_board_info.li_memsize = 0;
+ }
+
+ switch (LASAT_W0_SDRAMBANKS(cfg0)) {
+ case 0:
+ break;
+ case 1:
+ lasat_board_info.li_memsize *= 2;
+ break;
+ default:
+ break;
+ }
+
+ switch (LASAT_W0_BUSSPEED(cfg0)) {
+ case 0x0:
+ lasat_board_info.li_bus_hz = 60000000;
+ break;
+ case 0x1:
+ lasat_board_info.li_bus_hz = 66000000;
+ break;
+ case 0x2:
+ lasat_board_info.li_bus_hz = 66666667;
+ break;
+ case 0x3:
+ lasat_board_info.li_bus_hz = 80000000;
+ break;
+ case 0x4:
+ lasat_board_info.li_bus_hz = 83333333;
+ break;
+ case 0x5:
+ lasat_board_info.li_bus_hz = 100000000;
+ break;
+ }
+
+ switch (LASAT_W0_CPUCLK(cfg0)) {
+ case 0x0:
+ lasat_board_info.li_cpu_hz =
+ lasat_board_info.li_bus_hz;
+ break;
+ case 0x1:
+ lasat_board_info.li_cpu_hz =
+ lasat_board_info.li_bus_hz +
+ (lasat_board_info.li_bus_hz >> 1);
+ break;
+ case 0x2:
+ lasat_board_info.li_cpu_hz =
+ lasat_board_info.li_bus_hz +
+ lasat_board_info.li_bus_hz;
+ break;
+ case 0x3:
+ lasat_board_info.li_cpu_hz =
+ lasat_board_info.li_bus_hz +
+ lasat_board_info.li_bus_hz +
+ (lasat_board_info.li_bus_hz >> 1);
+ break;
+ case 0x4:
+ lasat_board_info.li_cpu_hz =
+ lasat_board_info.li_bus_hz +
+ lasat_board_info.li_bus_hz +
+ lasat_board_info.li_bus_hz;
+ break;
+ }
+
+ /* Flash size */
+ switch (LASAT_W1_FLASHSIZE(cfg1)) {
+ case 0:
+ lasat_board_info.li_flash_size = 0x200000;
+ break;
+ case 1:
+ lasat_board_info.li_flash_size = 0x400000;
+ break;
+ case 2:
+ lasat_board_info.li_flash_size = 0x800000;
+ break;
+ case 3:
+ lasat_board_info.li_flash_size = 0x1000000;
+ break;
+ case 4:
+ lasat_board_info.li_flash_size = 0x2000000;
+ break;
+ }
+
+ init_flash_sizes();
+
+ lasat_board_info.li_bmid = LASAT_W0_BMID(cfg0);
+ lasat_board_info.li_prid = lasat_board_info.li_eeprom_info.prid;
+ if (lasat_board_info.li_prid == 0xffff || lasat_board_info.li_prid == 0)
+ lasat_board_info.li_prid = lasat_board_info.li_bmid;
+
+ /* Base model stuff */
+ if (lasat_board_info.li_bmid > i_n_base_models)
+ lasat_board_info.li_bmid = i_n_base_models;
+ strcpy(lasat_board_info.li_bmstr,
+ i_txt_base_models[lasat_board_info.li_bmid]);
+
+ /* Product ID dependent values */
+ c = lasat_board_info.li_prid;
+ if (c >= i_n_prids) {
+ strcpy(lasat_board_info.li_namestr, "Unknown Model");
+ strcpy(lasat_board_info.li_typestr, "Unknown Type");
+ } else {
+ ppi = &vendor_info_table[0].vi_product_info[c];
+ strcpy(lasat_board_info.li_namestr, ppi->pi_name);
+ if (ppi->pi_type)
+ strcpy(lasat_board_info.li_typestr, ppi->pi_type);
+ else
+ sprintf(lasat_board_info.li_typestr, "%d", 10 * c);
+ }
+
+ return 0;
+}
+
+void lasat_write_eeprom_info(void)
+{
+ unsigned long crc;
+
+ mutex_lock(&lasat_eeprom_mutex);
+
+ /* Generate the CRC */
+ crc = EEPROM_CRC((unsigned char *)(&lasat_board_info.li_eeprom_info),
+ sizeof(struct lasat_eeprom_struct) - 4);
+ lasat_board_info.li_eeprom_info.crc32 = crc;
+
+ /* Write the EEPROM info */
+ EEPROMWrite(0, (unsigned char *)&lasat_board_info.li_eeprom_info,
+ sizeof(struct lasat_eeprom_struct));
+
+ mutex_unlock(&lasat_eeprom_mutex);
+}
diff --git a/arch/mips/lasat/lasat_models.h b/arch/mips/lasat/lasat_models.h
new file mode 100644
index 000000000..474e57342
--- /dev/null
+++ b/arch/mips/lasat/lasat_models.h
@@ -0,0 +1,68 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Model description tables
+ */
+#include <linux/kernel.h>
+
+struct product_info {
+ const char *pi_name;
+ const char *pi_type;
+};
+
+struct vendor_info {
+ const char *vi_name;
+ const struct product_info *vi_product_info;
+};
+
+/*
+ * Base models
+ */
+static const char * const txt_base_models[] = {
+ "MQ 2", "MQ Pro", "SP 25", "SP 50", "SP 100", "SP 5000", "SP 7000",
+ "SP 1000", "Unknown"
+};
+#define N_BASE_MODELS (ARRAY_SIZE(txt_base_models) - 1)
+
+/*
+ * Eicon Networks
+ */
+static const char txt_en_mq[] = "Masquerade";
+static const char txt_en_sp[] = "Safepipe";
+
+static const struct product_info product_info_eicon[] = {
+ { txt_en_mq, "II" }, /* 0 */
+ { txt_en_mq, "Pro" }, /* 1 */
+ { txt_en_sp, "25" }, /* 2 */
+ { txt_en_sp, "50" }, /* 3 */
+ { txt_en_sp, "100" }, /* 4 */
+ { txt_en_sp, "5000" }, /* 5 */
+ { txt_en_sp, "7000" }, /* 6 */
+ { txt_en_sp, "30" }, /* 7 */
+ { txt_en_sp, "5100" }, /* 8 */
+ { txt_en_sp, "7100" }, /* 9 */
+ { txt_en_sp, "1110" }, /* 10 */
+ { txt_en_sp, "3020" }, /* 11 */
+ { txt_en_sp, "3030" }, /* 12 */
+ { txt_en_sp, "5020" }, /* 13 */
+ { txt_en_sp, "5030" }, /* 14 */
+ { txt_en_sp, "1120" }, /* 15 */
+ { txt_en_sp, "1130" }, /* 16 */
+ { txt_en_sp, "6010" }, /* 17 */
+ { txt_en_sp, "6110" }, /* 18 */
+ { txt_en_sp, "6210" }, /* 19 */
+ { txt_en_sp, "1020" }, /* 20 */
+ { txt_en_sp, "1040" }, /* 21 */
+ { txt_en_sp, "1050" }, /* 22 */
+ { txt_en_sp, "1060" }, /* 23 */
+};
+
+#define N_PRIDS ARRAY_SIZE(product_info_eicon)
+
+/*
+ * The vendor table
+ */
+static struct vendor_info const vendor_info_table[] = {
+ { "Eicon Networks", product_info_eicon },
+};
+
+#define N_VENDORS ARRAY_SIZE(vendor_info_table)
diff --git a/arch/mips/lasat/picvue.c b/arch/mips/lasat/picvue.c
new file mode 100644
index 000000000..d613b97cd
--- /dev/null
+++ b/arch/mips/lasat/picvue.c
@@ -0,0 +1,241 @@
+/*
+ * Picvue PVC160206 display driver
+ *
+ * Brian Murphy <brian@murphy.dk>
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <asm/bootinfo.h>
+#include <asm/lasat/lasat.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+
+#include "picvue.h"
+
+#define PVC_BUSY 0x80
+#define PVC_NLINES 2
+#define PVC_DISPMEM 80
+#define PVC_LINELEN PVC_DISPMEM / PVC_NLINES
+
+struct pvc_defs *picvue;
+
+static void pvc_reg_write(u32 val)
+{
+ *picvue->reg = val;
+}
+
+static u32 pvc_reg_read(void)
+{
+ u32 tmp = *picvue->reg;
+ return tmp;
+}
+
+static void pvc_write_byte(u32 data, u8 byte)
+{
+ data |= picvue->e;
+ pvc_reg_write(data);
+ data &= ~picvue->data_mask;
+ data |= byte << picvue->data_shift;
+ pvc_reg_write(data);
+ ndelay(220);
+ pvc_reg_write(data & ~picvue->e);
+ ndelay(220);
+}
+
+static u8 pvc_read_byte(u32 data)
+{
+ u8 byte;
+
+ data |= picvue->e;
+ pvc_reg_write(data);
+ ndelay(220);
+ byte = (pvc_reg_read() & picvue->data_mask) >> picvue->data_shift;
+ data &= ~picvue->e;
+ pvc_reg_write(data);
+ ndelay(220);
+ return byte;
+}
+
+static u8 pvc_read_data(void)
+{
+ u32 data = pvc_reg_read();
+ u8 byte;
+ data |= picvue->rw;
+ data &= ~picvue->rs;
+ pvc_reg_write(data);
+ ndelay(40);
+ byte = pvc_read_byte(data);
+ data |= picvue->rs;
+ pvc_reg_write(data);
+ return byte;
+}
+
+#define TIMEOUT 1000
+static int pvc_wait(void)
+{
+ int i = TIMEOUT;
+ int err = 0;
+
+ while ((pvc_read_data() & PVC_BUSY) && i)
+ i--;
+ if (i == 0)
+ err = -ETIME;
+
+ return err;
+}
+
+#define MODE_INST 0
+#define MODE_DATA 1
+static void pvc_write(u8 byte, int mode)
+{
+ u32 data = pvc_reg_read();
+ data &= ~picvue->rw;
+ if (mode == MODE_DATA)
+ data |= picvue->rs;
+ else
+ data &= ~picvue->rs;
+ pvc_reg_write(data);
+ ndelay(40);
+ pvc_write_byte(data, byte);
+ if (mode == MODE_DATA)
+ data &= ~picvue->rs;
+ else
+ data |= picvue->rs;
+ pvc_reg_write(data);
+ pvc_wait();
+}
+
+void pvc_write_string(const unsigned char *str, u8 addr, int line)
+{
+ int i = 0;
+
+ if (line > 0 && (PVC_NLINES > 1))
+ addr += 0x40 * line;
+ pvc_write(0x80 | addr, MODE_INST);
+
+ while (*str != 0 && i < PVC_LINELEN) {
+ pvc_write(*str++, MODE_DATA);
+ i++;
+ }
+}
+
+void pvc_write_string_centered(const unsigned char *str, int line)
+{
+ int len = strlen(str);
+ u8 addr;
+
+ if (len > PVC_VISIBLE_CHARS)
+ addr = 0;
+ else
+ addr = (PVC_VISIBLE_CHARS - strlen(str))/2;
+
+ pvc_write_string(str, addr, line);
+}
+
+void pvc_dump_string(const unsigned char *str)
+{
+ int len = strlen(str);
+
+ pvc_write_string(str, 0, 0);
+ if (len > PVC_VISIBLE_CHARS)
+ pvc_write_string(&str[PVC_VISIBLE_CHARS], 0, 1);
+}
+
+#define BM_SIZE 8
+#define MAX_PROGRAMMABLE_CHARS 8
+int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE])
+{
+ int i;
+ int addr;
+
+ if (charnum > MAX_PROGRAMMABLE_CHARS)
+ return -ENOENT;
+
+ addr = charnum * 8;
+ pvc_write(0x40 | addr, MODE_INST);
+
+ for (i = 0; i < BM_SIZE; i++)
+ pvc_write(bitmap[i], MODE_DATA);
+ return 0;
+}
+
+#define FUNC_SET_CMD 0x20
+#define EIGHT_BYTE (1 << 4)
+#define FOUR_BYTE 0
+#define TWO_LINES (1 << 3)
+#define ONE_LINE 0
+#define LARGE_FONT (1 << 2)
+#define SMALL_FONT 0
+
+static void pvc_funcset(u8 cmd)
+{
+ pvc_write(FUNC_SET_CMD | (cmd & (EIGHT_BYTE|TWO_LINES|LARGE_FONT)),
+ MODE_INST);
+}
+
+#define ENTRYMODE_CMD 0x4
+#define AUTO_INC (1 << 1)
+#define AUTO_DEC 0
+#define CURSOR_FOLLOWS_DISP (1 << 0)
+
+static void pvc_entrymode(u8 cmd)
+{
+ pvc_write(ENTRYMODE_CMD | (cmd & (AUTO_INC|CURSOR_FOLLOWS_DISP)),
+ MODE_INST);
+}
+
+#define DISP_CNT_CMD 0x08
+#define DISP_OFF 0
+#define DISP_ON (1 << 2)
+#define CUR_ON (1 << 1)
+#define CUR_BLINK (1 << 0)
+void pvc_dispcnt(u8 cmd)
+{
+ pvc_write(DISP_CNT_CMD | (cmd & (DISP_ON|CUR_ON|CUR_BLINK)), MODE_INST);
+}
+
+#define MOVE_CMD 0x10
+#define DISPLAY (1 << 3)
+#define CURSOR 0
+#define RIGHT (1 << 2)
+#define LEFT 0
+void pvc_move(u8 cmd)
+{
+ pvc_write(MOVE_CMD | (cmd & (DISPLAY|RIGHT)), MODE_INST);
+}
+
+#define CLEAR_CMD 0x1
+void pvc_clear(void)
+{
+ pvc_write(CLEAR_CMD, MODE_INST);
+}
+
+#define HOME_CMD 0x2
+void pvc_home(void)
+{
+ pvc_write(HOME_CMD, MODE_INST);
+}
+
+int pvc_init(void)
+{
+ u8 cmd = EIGHT_BYTE;
+
+ if (PVC_NLINES == 2)
+ cmd |= (SMALL_FONT|TWO_LINES);
+ else
+ cmd |= (LARGE_FONT|ONE_LINE);
+ pvc_funcset(cmd);
+ pvc_dispcnt(DISP_ON);
+ pvc_entrymode(AUTO_INC);
+
+ pvc_clear();
+ pvc_write_string_centered("Display", 0);
+ pvc_write_string_centered("Initialized", 1);
+
+ return 0;
+}
+
+module_init(pvc_init);
+MODULE_LICENSE("GPL");
diff --git a/arch/mips/lasat/picvue.h b/arch/mips/lasat/picvue.h
new file mode 100644
index 000000000..161d3bf50
--- /dev/null
+++ b/arch/mips/lasat/picvue.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Picvue PVC160206 display driver
+ *
+ * Brian Murphy <brian.murphy@eicon.com>
+ *
+ */
+struct pvc_defs {
+ volatile u32 *reg;
+ u32 data_shift;
+ u32 data_mask;
+ u32 e;
+ u32 rw;
+ u32 rs;
+};
+
+extern struct pvc_defs *picvue;
+
+#define PVC_NLINES 2
+#define PVC_DISPMEM 80
+#define PVC_LINELEN PVC_DISPMEM / PVC_NLINES
+#define PVC_VISIBLE_CHARS 16
+
+void pvc_write_string(const unsigned char *str, u8 addr, int line);
+void pvc_write_string_centered(const unsigned char *str, int line);
+void pvc_dump_string(const unsigned char *str);
+
+#define BM_SIZE 8
+#define MAX_PROGRAMMABLE_CHARS 8
+int pvc_program_cg(int charnum, u8 bitmap[BM_SIZE]);
+
+void pvc_dispcnt(u8 cmd);
+#define DISP_OFF 0
+#define DISP_ON (1 << 2)
+#define CUR_ON (1 << 1)
+#define CUR_BLINK (1 << 0)
+
+void pvc_move(u8 cmd);
+#define DISPLAY (1 << 3)
+#define CURSOR 0
+#define RIGHT (1 << 2)
+#define LEFT 0
+
+void pvc_clear(void);
+void pvc_home(void);
diff --git a/arch/mips/lasat/picvue_proc.c b/arch/mips/lasat/picvue_proc.c
new file mode 100644
index 000000000..5d89e1ec5
--- /dev/null
+++ b/arch/mips/lasat/picvue_proc.c
@@ -0,0 +1,210 @@
+/*
+ * Picvue PVC160206 display driver
+ *
+ * Brian Murphy <brian.murphy@eicon.com>
+ *
+ */
+#include <linux/bug.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/interrupt.h>
+
+#include <linux/timer.h>
+#include <linux/mutex.h>
+#include <linux/uaccess.h>
+
+#include "picvue.h"
+
+static DEFINE_MUTEX(pvc_mutex);
+static char pvc_lines[PVC_NLINES][PVC_LINELEN+1];
+static int pvc_linedata[PVC_NLINES];
+static char *pvc_linename[PVC_NLINES] = {"line1", "line2"};
+#define DISPLAY_DIR_NAME "display"
+static int scroll_dir, scroll_interval;
+
+static struct timer_list timer;
+
+static void pvc_display(unsigned long data)
+{
+ int i;
+
+ pvc_clear();
+ for (i = 0; i < PVC_NLINES; i++)
+ pvc_write_string(pvc_lines[i], 0, i);
+}
+
+static DECLARE_TASKLET(pvc_display_tasklet, &pvc_display, 0);
+
+static int pvc_line_proc_show(struct seq_file *m, void *v)
+{
+ int lineno = *(int *)m->private;
+
+ if (lineno < 0 || lineno >= PVC_NLINES) {
+ printk(KERN_WARNING "proc_read_line: invalid lineno %d\n", lineno);
+ return 0;
+ }
+
+ mutex_lock(&pvc_mutex);
+ seq_printf(m, "%s\n", pvc_lines[lineno]);
+ mutex_unlock(&pvc_mutex);
+
+ return 0;
+}
+
+static int pvc_line_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, pvc_line_proc_show, PDE_DATA(inode));
+}
+
+static ssize_t pvc_line_proc_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *pos)
+{
+ int lineno = *(int *)PDE_DATA(file_inode(file));
+ char kbuf[PVC_LINELEN];
+ size_t len;
+
+ BUG_ON(lineno < 0 || lineno >= PVC_NLINES);
+
+ len = min(count, sizeof(kbuf) - 1);
+ if (copy_from_user(kbuf, buf, len))
+ return -EFAULT;
+ kbuf[len] = '\0';
+
+ if (len > 0 && kbuf[len - 1] == '\n')
+ len--;
+
+ mutex_lock(&pvc_mutex);
+ strncpy(pvc_lines[lineno], kbuf, len);
+ pvc_lines[lineno][len] = '\0';
+ mutex_unlock(&pvc_mutex);
+
+ tasklet_schedule(&pvc_display_tasklet);
+
+ return count;
+}
+
+static const struct file_operations pvc_line_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pvc_line_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = pvc_line_proc_write,
+};
+
+static ssize_t pvc_scroll_proc_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *pos)
+{
+ char kbuf[42];
+ size_t len;
+ int cmd;
+
+ len = min(count, sizeof(kbuf) - 1);
+ if (copy_from_user(kbuf, buf, len))
+ return -EFAULT;
+ kbuf[len] = '\0';
+
+ cmd = simple_strtol(kbuf, NULL, 10);
+
+ mutex_lock(&pvc_mutex);
+ if (scroll_interval != 0)
+ del_timer(&timer);
+
+ if (cmd == 0) {
+ scroll_dir = 0;
+ scroll_interval = 0;
+ } else {
+ if (cmd < 0) {
+ scroll_dir = -1;
+ scroll_interval = -cmd;
+ } else {
+ scroll_dir = 1;
+ scroll_interval = cmd;
+ }
+ add_timer(&timer);
+ }
+ mutex_unlock(&pvc_mutex);
+
+ return count;
+}
+
+static int pvc_scroll_proc_show(struct seq_file *m, void *v)
+{
+ mutex_lock(&pvc_mutex);
+ seq_printf(m, "%d\n", scroll_dir * scroll_interval);
+ mutex_unlock(&pvc_mutex);
+
+ return 0;
+}
+
+static int pvc_scroll_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, pvc_scroll_proc_show, NULL);
+}
+
+static const struct file_operations pvc_scroll_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = pvc_scroll_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .write = pvc_scroll_proc_write,
+};
+
+void pvc_proc_timerfunc(struct timer_list *unused)
+{
+ if (scroll_dir < 0)
+ pvc_move(DISPLAY|RIGHT);
+ else if (scroll_dir > 0)
+ pvc_move(DISPLAY|LEFT);
+
+ timer.expires = jiffies + scroll_interval;
+ add_timer(&timer);
+}
+
+static void pvc_proc_cleanup(void)
+{
+ remove_proc_subtree(DISPLAY_DIR_NAME, NULL);
+ del_timer_sync(&timer);
+}
+
+static int __init pvc_proc_init(void)
+{
+ struct proc_dir_entry *dir, *proc_entry;
+ int i;
+
+ dir = proc_mkdir(DISPLAY_DIR_NAME, NULL);
+ if (dir == NULL)
+ goto error;
+
+ for (i = 0; i < PVC_NLINES; i++) {
+ strcpy(pvc_lines[i], "");
+ pvc_linedata[i] = i;
+ }
+ for (i = 0; i < PVC_NLINES; i++) {
+ proc_entry = proc_create_data(pvc_linename[i], 0644, dir,
+ &pvc_line_proc_fops, &pvc_linedata[i]);
+ if (proc_entry == NULL)
+ goto error;
+ }
+ proc_entry = proc_create("scroll", 0644, dir,
+ &pvc_scroll_proc_fops);
+ if (proc_entry == NULL)
+ goto error;
+
+ timer_setup(&timer, pvc_proc_timerfunc, 0);
+
+ return 0;
+error:
+ pvc_proc_cleanup();
+ return -ENOMEM;
+}
+
+module_init(pvc_proc_init);
+module_exit(pvc_proc_cleanup);
+MODULE_LICENSE("GPL");
diff --git a/arch/mips/lasat/prom.c b/arch/mips/lasat/prom.c
new file mode 100644
index 000000000..37b8fc5b9
--- /dev/null
+++ b/arch/mips/lasat/prom.c
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PROM interface routines.
+ */
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/string.h>
+#include <linux/ctype.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/bootmem.h>
+#include <linux/ioport.h>
+#include <asm/bootinfo.h>
+#include <asm/lasat/lasat.h>
+#include <asm/cpu.h>
+#include <asm/setup.h>
+
+#include "at93c.h"
+#include <asm/lasat/eeprom.h>
+#include "prom.h"
+
+#define RESET_VECTOR 0xbfc00000
+#define PROM_JUMP_TABLE_ENTRY(n) (*((u32 *)(RESET_VECTOR + 0x20) + n))
+#define PROM_DISPLAY_ADDR PROM_JUMP_TABLE_ENTRY(0)
+#define PROM_PUTC_ADDR PROM_JUMP_TABLE_ENTRY(1)
+#define PROM_MONITOR_ADDR PROM_JUMP_TABLE_ENTRY(2)
+
+static void null_prom_display(const char *string, int pos, int clear)
+{
+}
+
+static void null_prom_monitor(void)
+{
+}
+
+static void null_prom_putc(char c)
+{
+}
+
+/* these are functions provided by the bootloader */
+static void (*__prom_putc)(char c) = null_prom_putc;
+
+void prom_putchar(char c)
+{
+ __prom_putc(c);
+}
+
+void (*prom_display)(const char *string, int pos, int clear) =
+ null_prom_display;
+void (*prom_monitor)(void) = null_prom_monitor;
+
+unsigned int lasat_ndelay_divider;
+
+static void setup_prom_vectors(void)
+{
+ u32 version = *(u32 *)(RESET_VECTOR + 0x90);
+
+ if (version >= 307) {
+ prom_display = (void *)PROM_DISPLAY_ADDR;
+ __prom_putc = (void *)PROM_PUTC_ADDR;
+ prom_monitor = (void *)PROM_MONITOR_ADDR;
+ }
+ printk(KERN_DEBUG "prom vectors set up\n");
+}
+
+static struct at93c_defs at93c_defs[N_MACHTYPES] = {
+ {
+ .reg = (void *)AT93C_REG_100,
+ .rdata_reg = (void *)AT93C_RDATA_REG_100,
+ .rdata_shift = AT93C_RDATA_SHIFT_100,
+ .wdata_shift = AT93C_WDATA_SHIFT_100,
+ .cs = AT93C_CS_M_100,
+ .clk = AT93C_CLK_M_100
+ }, {
+ .reg = (void *)AT93C_REG_200,
+ .rdata_reg = (void *)AT93C_RDATA_REG_200,
+ .rdata_shift = AT93C_RDATA_SHIFT_200,
+ .wdata_shift = AT93C_WDATA_SHIFT_200,
+ .cs = AT93C_CS_M_200,
+ .clk = AT93C_CLK_M_200
+ },
+};
+
+void __init prom_init(void)
+{
+ int argc = fw_arg0;
+ char **argv = (char **) fw_arg1;
+
+ setup_prom_vectors();
+
+ if (IS_LASAT_200()) {
+ printk(KERN_INFO "LASAT 200 board\n");
+ lasat_ndelay_divider = LASAT_200_DIVIDER;
+ at93c = &at93c_defs[1];
+ } else {
+ printk(KERN_INFO "LASAT 100 board\n");
+ lasat_ndelay_divider = LASAT_100_DIVIDER;
+ at93c = &at93c_defs[0];
+ }
+
+ lasat_init_board_info(); /* Read info from EEPROM */
+
+ /* Get the command line */
+ if (argc > 0) {
+ strncpy(arcs_cmdline, argv[0], COMMAND_LINE_SIZE-1);
+ arcs_cmdline[COMMAND_LINE_SIZE-1] = '\0';
+ }
+
+ /* Set the I/O base address */
+ set_io_port_base(KSEG1);
+
+ /* Set memory regions */
+ ioport_resource.start = 0;
+ ioport_resource.end = 0xffffffff; /* Wrong, fixme. */
+
+ add_memory_region(0, lasat_board_info.li_memsize, BOOT_MEM_RAM);
+}
+
+void __init prom_free_prom_memory(void)
+{
+}
+
+const char *get_system_type(void)
+{
+ return lasat_board_info.li_bmstr;
+}
diff --git a/arch/mips/lasat/prom.h b/arch/mips/lasat/prom.h
new file mode 100644
index 000000000..3d1df853e
--- /dev/null
+++ b/arch/mips/lasat/prom.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PROM_H
+#define __PROM_H
+
+extern void (*prom_display)(const char *string, int pos, int clear);
+extern void (*prom_monitor)(void);
+
+#endif /* __PROM_H */
diff --git a/arch/mips/lasat/reset.c b/arch/mips/lasat/reset.c
new file mode 100644
index 000000000..e21f0b9a5
--- /dev/null
+++ b/arch/mips/lasat/reset.c
@@ -0,0 +1,60 @@
+/*
+ * Thomas Horsten <thh@lasat.com>
+ * Copyright (C) 2000 LASAT Networks A/S.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * 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.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Reset the LASAT board.
+ */
+#include <linux/kernel.h>
+#include <linux/pm.h>
+
+#include <asm/reboot.h>
+#include <asm/lasat/lasat.h>
+
+#include "picvue.h"
+#include "prom.h"
+
+static void lasat_machine_restart(char *command);
+static void lasat_machine_halt(void);
+
+/* Used to set machine to boot in service mode via /proc interface */
+int lasat_boot_to_service;
+
+static void lasat_machine_restart(char *command)
+{
+ local_irq_disable();
+
+ if (lasat_boot_to_service) {
+ *(volatile unsigned int *)0xa0000024 = 0xdeadbeef;
+ *(volatile unsigned int *)0xa00000fc = 0xfedeabba;
+ }
+ *lasat_misc->reset_reg = 0xbedead;
+ for (;;) ;
+}
+
+static void lasat_machine_halt(void)
+{
+ local_irq_disable();
+
+ prom_monitor();
+ for (;;) ;
+}
+
+void lasat_reboot_setup(void)
+{
+ _machine_restart = lasat_machine_restart;
+ _machine_halt = lasat_machine_halt;
+ pm_power_off = lasat_machine_halt;
+}
diff --git a/arch/mips/lasat/serial.c b/arch/mips/lasat/serial.c
new file mode 100644
index 000000000..2e5fbed81
--- /dev/null
+++ b/arch/mips/lasat/serial.c
@@ -0,0 +1,93 @@
+/*
+ * Registration of Lasat UART platform device.
+ *
+ * Copyright (C) 2007 Brian Murphy <brian@murphy.dk>
+ *
+ * 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 program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/platform_device.h>
+#include <linux/serial_8250.h>
+
+#include <asm/lasat/lasat.h>
+#include <asm/lasat/serial.h>
+
+static struct resource lasat_serial_res[2] __initdata;
+
+static struct plat_serial8250_port lasat_serial8250_port[] = {
+ {
+ .iotype = UPIO_MEM,
+ .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF |
+ UPF_SKIP_TEST,
+ },
+ {},
+};
+
+static __init int lasat_uart_add(void)
+{
+ struct platform_device *pdev;
+ int retval;
+
+ pdev = platform_device_alloc("serial8250", -1);
+ if (!pdev)
+ return -ENOMEM;
+
+ if (!IS_LASAT_200()) {
+ lasat_serial_res[0].start = KSEG1ADDR(LASAT_UART_REGS_BASE_100);
+ lasat_serial_res[0].end = lasat_serial_res[0].start + LASAT_UART_REGS_SHIFT_100 * 8 - 1;
+ lasat_serial_res[0].flags = IORESOURCE_MEM;
+ lasat_serial_res[1].start = LASATINT_UART_100;
+ lasat_serial_res[1].end = LASATINT_UART_100;
+ lasat_serial_res[1].flags = IORESOURCE_IRQ;
+
+ lasat_serial8250_port[0].mapbase = LASAT_UART_REGS_BASE_100;
+ lasat_serial8250_port[0].uartclk = LASAT_BASE_BAUD_100 * 16;
+ lasat_serial8250_port[0].regshift = LASAT_UART_REGS_SHIFT_100;
+ lasat_serial8250_port[0].irq = LASATINT_UART_100;
+ } else {
+ lasat_serial_res[0].start = KSEG1ADDR(LASAT_UART_REGS_BASE_200);
+ lasat_serial_res[0].end = lasat_serial_res[0].start + LASAT_UART_REGS_SHIFT_200 * 8 - 1;
+ lasat_serial_res[0].flags = IORESOURCE_MEM;
+ lasat_serial_res[1].start = LASATINT_UART_200;
+ lasat_serial_res[1].end = LASATINT_UART_200;
+ lasat_serial_res[1].flags = IORESOURCE_IRQ;
+
+ lasat_serial8250_port[0].mapbase = LASAT_UART_REGS_BASE_200;
+ lasat_serial8250_port[0].uartclk = LASAT_BASE_BAUD_200 * 16;
+ lasat_serial8250_port[0].regshift = LASAT_UART_REGS_SHIFT_200;
+ lasat_serial8250_port[0].irq = LASATINT_UART_200;
+ }
+
+ pdev->id = PLAT8250_DEV_PLATFORM;
+ pdev->dev.platform_data = lasat_serial8250_port;
+
+ retval = platform_device_add_resources(pdev, lasat_serial_res, ARRAY_SIZE(lasat_serial_res));
+ if (retval)
+ goto err_free_device;
+
+ retval = platform_device_add(pdev);
+ if (retval)
+ goto err_free_device;
+
+ return 0;
+
+err_free_device:
+ platform_device_put(pdev);
+
+ return retval;
+}
+device_initcall(lasat_uart_add);
diff --git a/arch/mips/lasat/setup.c b/arch/mips/lasat/setup.c
new file mode 100644
index 000000000..dbd3163a8
--- /dev/null
+++ b/arch/mips/lasat/setup.c
@@ -0,0 +1,153 @@
+/*
+ * Carsten Langgaard, carstenl@mips.com
+ * Copyright (C) 1999 MIPS Technologies, Inc. All rights reserved.
+ *
+ * Thomas Horsten <thh@lasat.com>
+ * Copyright (C) 2000 LASAT Networks A/S.
+ *
+ * Brian Murphy <brian@murphy.dk>
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * 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.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Lasat specific setup.
+ */
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/tty.h>
+
+#include <asm/time.h>
+#include <asm/cpu.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/lasat/lasat.h>
+#include <asm/lasat/serial.h>
+
+#ifdef CONFIG_PICVUE
+#include <linux/notifier.h>
+#endif
+
+#include "ds1603.h"
+#include <asm/lasat/ds1603.h>
+#include <asm/lasat/picvue.h>
+#include <asm/lasat/eeprom.h>
+
+#include "prom.h"
+
+int lasat_command_line;
+void lasatint_init(void);
+
+extern void lasat_reboot_setup(void);
+extern void pcisetup(void);
+extern void edhac_init(void *, void *, void *);
+extern void addrflt_init(void);
+
+struct lasat_misc lasat_misc_info[N_MACHTYPES] = {
+ {
+ .reset_reg = (void *)KSEG1ADDR(0x1c840000),
+ .flash_wp_reg = (void *)KSEG1ADDR(0x1c800000), 2
+ }, {
+ .reset_reg = (void *)KSEG1ADDR(0x11080000),
+ .flash_wp_reg = (void *)KSEG1ADDR(0x11000000), 6
+ }
+};
+
+struct lasat_misc *lasat_misc;
+
+#ifdef CONFIG_DS1603
+static struct ds_defs ds_defs[N_MACHTYPES] = {
+ { (void *)DS1603_REG_100, (void *)DS1603_REG_100,
+ DS1603_RST_100, DS1603_CLK_100, DS1603_DATA_100,
+ DS1603_DATA_SHIFT_100, 0, 0 },
+ { (void *)DS1603_REG_200, (void *)DS1603_DATA_REG_200,
+ DS1603_RST_200, DS1603_CLK_200, DS1603_DATA_200,
+ DS1603_DATA_READ_SHIFT_200, 1, 2000 }
+};
+#endif
+
+#ifdef CONFIG_PICVUE
+#include "picvue.h"
+static struct pvc_defs pvc_defs[N_MACHTYPES] = {
+ { (void *)PVC_REG_100, PVC_DATA_SHIFT_100, PVC_DATA_M_100,
+ PVC_E_100, PVC_RW_100, PVC_RS_100 },
+ { (void *)PVC_REG_200, PVC_DATA_SHIFT_200, PVC_DATA_M_200,
+ PVC_E_200, PVC_RW_200, PVC_RS_200 }
+};
+#endif
+
+static int lasat_panic_display(struct notifier_block *this,
+ unsigned long event, void *ptr)
+{
+#ifdef CONFIG_PICVUE
+ unsigned char *string = ptr;
+ if (string == NULL)
+ string = "Kernel Panic";
+ pvc_dump_string(string);
+#endif
+ return NOTIFY_DONE;
+}
+
+static int lasat_panic_prom_monitor(struct notifier_block *this,
+ unsigned long event, void *ptr)
+{
+ prom_monitor();
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block lasat_panic_block[] =
+{
+ {
+ .notifier_call = lasat_panic_display,
+ .priority = INT_MAX
+ }, {
+ .notifier_call = lasat_panic_prom_monitor,
+ .priority = INT_MIN
+ }
+};
+
+void __init plat_time_init(void)
+{
+ mips_hpt_frequency = lasat_board_info.li_cpu_hz / 2;
+
+ change_c0_status(ST0_IM, IE_IRQ0);
+}
+
+void __init plat_mem_setup(void)
+{
+ int i;
+ int lasat_type = IS_LASAT_200() ? 1 : 0;
+
+ lasat_misc = &lasat_misc_info[lasat_type];
+#ifdef CONFIG_PICVUE
+ picvue = &pvc_defs[lasat_type];
+#endif
+
+ /* Set up panic notifier */
+ for (i = 0; i < ARRAY_SIZE(lasat_panic_block); i++)
+ atomic_notifier_chain_register(&panic_notifier_list,
+ &lasat_panic_block[i]);
+
+ lasat_reboot_setup();
+
+#ifdef CONFIG_DS1603
+ ds1603 = &ds_defs[lasat_type];
+#endif
+
+#ifdef DYNAMIC_SERIAL_INIT
+ serial_init();
+#endif
+
+ pr_info("Lasat specific initialization complete\n");
+}
diff --git a/arch/mips/lasat/sysctl.c b/arch/mips/lasat/sysctl.c
new file mode 100644
index 000000000..ead07c243
--- /dev/null
+++ b/arch/mips/lasat/sysctl.c
@@ -0,0 +1,280 @@
+/*
+ * Thomas Horsten <thh@lasat.com>
+ * Copyright (C) 2000 LASAT Networks A/S.
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * 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.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ *
+ * Routines specific to the LASAT boards
+ */
+#include <linux/types.h>
+#include <asm/lasat/lasat.h>
+
+#include <linux/sysctl.h>
+#include <linux/stddef.h>
+#include <linux/init.h>
+#include <linux/fs.h>
+#include <linux/ctype.h>
+#include <linux/string.h>
+#include <linux/net.h>
+#include <linux/inet.h>
+#include <linux/uaccess.h>
+
+#include <asm/time.h>
+
+#ifdef CONFIG_DS1603
+#include "ds1603.h"
+#endif
+
+
+/* And the same for proc */
+int proc_dolasatstring(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ int r;
+
+ r = proc_dostring(table, write, buffer, lenp, ppos);
+ if ((!write) || r)
+ return r;
+
+ lasat_write_eeprom_info();
+
+ return 0;
+}
+
+#ifdef CONFIG_DS1603
+static int rtctmp;
+
+/* proc function to read/write RealTime Clock */
+int proc_dolasatrtc(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ struct timespec64 ts;
+ int r;
+
+ if (!write) {
+ read_persistent_clock64(&ts);
+ rtctmp = ts.tv_sec;
+ /* check for time < 0 and set to 0 */
+ if (rtctmp < 0)
+ rtctmp = 0;
+ }
+ r = proc_dointvec(table, write, buffer, lenp, ppos);
+ if (r)
+ return r;
+
+ if (write) {
+ /*
+ * Due to the RTC hardware limitation, we can not actually
+ * use the full 64-bit range here.
+ */
+ ts.tv_sec = rtctmp;
+ ts.tv_nsec = 0;
+
+ update_persistent_clock64(ts);
+ }
+
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_INET
+int proc_lasat_ip(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ unsigned int ip;
+ char *p, c;
+ int len;
+ char ipbuf[32];
+
+ if (!table->data || !table->maxlen || !*lenp ||
+ (*ppos && !write)) {
+ *lenp = 0;
+ return 0;
+ }
+
+ if (write) {
+ len = 0;
+ p = buffer;
+ while (len < *lenp) {
+ if (get_user(c, p++))
+ return -EFAULT;
+ if (c == 0 || c == '\n')
+ break;
+ len++;
+ }
+ if (len >= sizeof(ipbuf)-1)
+ len = sizeof(ipbuf) - 1;
+ if (copy_from_user(ipbuf, buffer, len))
+ return -EFAULT;
+ ipbuf[len] = 0;
+ *ppos += *lenp;
+ /* Now see if we can convert it to a valid IP */
+ ip = in_aton(ipbuf);
+ *(unsigned int *)(table->data) = ip;
+ lasat_write_eeprom_info();
+ } else {
+ ip = *(unsigned int *)(table->data);
+ sprintf(ipbuf, "%d.%d.%d.%d",
+ (ip) & 0xff,
+ (ip >> 8) & 0xff,
+ (ip >> 16) & 0xff,
+ (ip >> 24) & 0xff);
+ len = strlen(ipbuf);
+ if (len > *lenp)
+ len = *lenp;
+ if (len)
+ if (copy_to_user(buffer, ipbuf, len))
+ return -EFAULT;
+ if (len < *lenp) {
+ if (put_user('\n', ((char *) buffer) + len))
+ return -EFAULT;
+ len++;
+ }
+ *lenp = len;
+ *ppos += len;
+ }
+
+ return 0;
+}
+#endif
+
+int proc_lasat_prid(struct ctl_table *table, int write,
+ void *buffer, size_t *lenp, loff_t *ppos)
+{
+ int r;
+
+ r = proc_dointvec(table, write, buffer, lenp, ppos);
+ if (r < 0)
+ return r;
+ if (write) {
+ lasat_board_info.li_eeprom_info.prid =
+ lasat_board_info.li_prid;
+ lasat_write_eeprom_info();
+ lasat_init_board_info();
+ }
+ return 0;
+}
+
+extern int lasat_boot_to_service;
+
+static struct ctl_table lasat_table[] = {
+ {
+ .procname = "cpu-hz",
+ .data = &lasat_board_info.li_cpu_hz,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "bus-hz",
+ .data = &lasat_board_info.li_bus_hz,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "bmid",
+ .data = &lasat_board_info.li_bmid,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "prid",
+ .data = &lasat_board_info.li_prid,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_lasat_prid,
+ },
+#ifdef CONFIG_INET
+ {
+ .procname = "ipaddr",
+ .data = &lasat_board_info.li_eeprom_info.ipaddr,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_lasat_ip,
+ },
+ {
+ .procname = "netmask",
+ .data = &lasat_board_info.li_eeprom_info.netmask,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_lasat_ip,
+ },
+#endif
+ {
+ .procname = "passwd_hash",
+ .data = &lasat_board_info.li_eeprom_info.passwd_hash,
+ .maxlen =
+ sizeof(lasat_board_info.li_eeprom_info.passwd_hash),
+ .mode = 0600,
+ .proc_handler = proc_dolasatstring,
+ },
+ {
+ .procname = "boot-service",
+ .data = &lasat_boot_to_service,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+#ifdef CONFIG_DS1603
+ {
+ .procname = "rtc",
+ .data = &rtctmp,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dolasatrtc,
+ },
+#endif
+ {
+ .procname = "namestr",
+ .data = &lasat_board_info.li_namestr,
+ .maxlen = sizeof(lasat_board_info.li_namestr),
+ .mode = 0444,
+ .proc_handler = proc_dostring,
+ },
+ {
+ .procname = "typestr",
+ .data = &lasat_board_info.li_typestr,
+ .maxlen = sizeof(lasat_board_info.li_typestr),
+ .mode = 0444,
+ .proc_handler = proc_dostring,
+ },
+ {}
+};
+
+static struct ctl_table lasat_root_table[] = {
+ {
+ .procname = "lasat",
+ .mode = 0555,
+ .child = lasat_table
+ },
+ {}
+};
+
+static int __init lasat_register_sysctl(void)
+{
+ struct ctl_table_header *lasat_table_header;
+
+ lasat_table_header =
+ register_sysctl_table(lasat_root_table);
+ if (!lasat_table_header) {
+ printk(KERN_ERR "Unable to register LASAT sysctl\n");
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+arch_initcall(lasat_register_sysctl);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 17:39:19 +0000