--- /dev/null
+# CONFIG_32BIT is not set
+CONFIG_64BIT=y
+CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
+CONFIG_ARCH_DISCARD_MEMBLOCK=y
+CONFIG_ARCH_DMA_ADDR_T_64BIT=y
+# CONFIG_ARCH_HAS_ILOG2_U32 is not set
+# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_HIBERNATION_POSSIBLE=y
+# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+# CONFIG_ARPD is not set
+CONFIG_BCMA_POSSIBLE=y
+CONFIG_BINFMT_ELF32=y
+CONFIG_BLOCK_COMPAT=y
+CONFIG_BOOT_ELF32=y
+CONFIG_BROADCOM_PHY=y
+CONFIG_CEVT_SB1250=y
+CONFIG_CFE=y
+CONFIG_COMPAT=y
+CONFIG_COMPAT_NETLINK_MESSAGES=y
+CONFIG_CONNECTOR=m
+CONFIG_CPU_BIG_ENDIAN=y
+CONFIG_CPU_HAS_PREFETCH=y
+CONFIG_CPU_HAS_SYNC=y
+# CONFIG_CPU_LITTLE_ENDIAN is not set
+CONFIG_CPU_SB1=y
+# CONFIG_CPU_SB1_PASS_2_112x is not set
+CONFIG_CPU_SB1_PASS_3=y
+CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_64BIT_KERNEL=y
+CONFIG_CPU_SUPPORTS_HIGHMEM=y
+CONFIG_CSRC_SB1250=y
+# CONFIG_CYCLADES is not set
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DMA_COHERENT=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_FW_LOADER=m
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_GENERIC_CMOS_UPDATE=y
+# CONFIG_GENERIC_CPU_DEVICES is not set
+CONFIG_GENERIC_IRQ_SHOW=y
+CONFIG_GENERIC_PCI_IOMAP=y
+CONFIG_HAS_DMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAVE_ARCH_JUMP_LABEL=y
+CONFIG_HAVE_ARCH_KGDB=y
+CONFIG_HAVE_C_RECORDMCOUNT=y
+CONFIG_HAVE_DMA_API_DEBUG=y
+CONFIG_HAVE_DMA_ATTRS=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_HAVE_GENERIC_HARDIRQS=y
+CONFIG_HAVE_IDE=y
+CONFIG_HAVE_IRQ_WORK=y
+CONFIG_HAVE_MEMBLOCK=y
+CONFIG_HAVE_MEMBLOCK_NODE_MAP=y
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_PERF_EVENTS=y
+CONFIG_HAVE_SYSCALL_WRAPPERS=y
+CONFIG_HWMON=y
+CONFIG_HWMON_DEBUG_CHIP=y
+CONFIG_HW_HAS_PCI=y
+CONFIG_HW_RANDOM=m
+CONFIG_HZ=250
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+# CONFIG_I2C_PXA_PCI is not set
+CONFIG_I2C_SIBYTE=y
+CONFIG_INITRAMFS_ROOT_GID=0
+CONFIG_INITRAMFS_ROOT_UID=0
+CONFIG_INITRAMFS_SOURCE="../../root"
+CONFIG_INPUT=m
+# CONFIG_IP_ROUTE_VERBOSE is not set
+CONFIG_IRQ_CPU=y
+CONFIG_IRQ_FORCED_THREADING=y
+# CONFIG_ISI is not set
+CONFIG_LOG_BUF_SHIFT=15
+CONFIG_MDIO_BOARDINFO=y
+# CONFIG_MINIX_FS_NATIVE_ENDIAN is not set
+CONFIG_MIPS=y
+CONFIG_MIPS32_COMPAT=y
+# CONFIG_MIPS32_N32 is not set
+CONFIG_MIPS32_O32=y
+CONFIG_MIPS_L1_CACHE_SHIFT=5
+# CONFIG_MIPS_MACHINE is not set
+CONFIG_MIPS_MT_DISABLED=y
+# CONFIG_MLX4_CORE is not set
+# CONFIG_MOXA_INTELLIO is not set
+# CONFIG_MOXA_SMARTIO is not set
+CONFIG_MTD_PHYSMAP=y
+CONFIG_NEED_PER_CPU_KM=y
+CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
+# CONFIG_N_HDLC is not set
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_PCI=y
+CONFIG_PCI_DOMAINS=y
+CONFIG_PERF_USE_VMALLOC=y
+CONFIG_PHYLIB=y
+CONFIG_PHYS_ADDR_T_64BIT=y
+# CONFIG_PREEMPT_RCU is not set
+# CONFIG_QUOTACTL is not set
+# CONFIG_ROCKETPORT is not set
+CONFIG_RTC_CLASS=y
+# CONFIG_RTC_DRV_CMOS is not set
+CONFIG_RTC_DRV_M41T80=y
+# CONFIG_RTC_DRV_M41T80_WDT is not set
+CONFIG_SB1250_MAC=y
+# CONFIG_SB1XXX_CORELIS is not set
+# CONFIG_SB1_CERR_STALL is not set
+# CONFIG_SB1_CEX_ALWAYS_FATAL is not set
+# CONFIG_SCSI_DMA is not set
+CONFIG_SENSORS_LM90=y
+# CONFIG_SENSORS_SCH56XX_COMMON is not set
+# CONFIG_SERIAL_8250 is not set
+CONFIG_SERIAL_NONSTANDARD=y
+CONFIG_SERIAL_SB1250_DUART=y
+CONFIG_SERIAL_SB1250_DUART_CONSOLE=y
+CONFIG_SIBYTE_BCM1125H=y
+CONFIG_SIBYTE_BCM112X=y
+# CONFIG_SIBYTE_BUS_WATCHER is not set
+# CONFIG_SIBYTE_CFE_CONSOLE is not set
+# CONFIG_SIBYTE_DMA_PAGEOPS is not set
+CONFIG_SIBYTE_ENABLE_LDT_IF_PCI=y
+CONFIG_SIBYTE_HAS_LDT=y
+CONFIG_SIBYTE_HAS_ZBUS_PROFILING=y
+CONFIG_SIBYTE_RHONE=y
+CONFIG_SIBYTE_SB1xxx_SOC=y
+# CONFIG_SIBYTE_TBPROF is not set
+# CONFIG_STALDRV is not set
+CONFIG_SWAP_IO_SPACE=y
+# CONFIG_SYNCLINKMP is not set
+# CONFIG_SYNCLINK_GT is not set
+CONFIG_SYSVIPC_COMPAT=y
+CONFIG_SYS_HAS_CPU_SB1=y
+CONFIG_SYS_HAS_EARLY_PRINTK=y
+CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
+CONFIG_SYS_SUPPORTS_64BIT_KERNEL=y
+CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
+CONFIG_SYS_SUPPORTS_BIG_ENDIAN=y
+CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
+# CONFIG_WATCHDOG is not set
+CONFIG_WEAK_ORDERING=y
+CONFIG_XZ_DEC=y
+CONFIG_ZONE_DMA_FLAG=0
--- /dev/null
+--- a/arch/mips/sibyte/swarm/platform.c
++++ b/arch/mips/sibyte/swarm/platform.c
+@@ -5,6 +5,7 @@
+ #include <linux/platform_device.h>
+ #include <linux/ata_platform.h>
+
++#include <asm/addrspace.h>
+ #include <asm/sibyte/board.h>
+ #include <asm/sibyte/sb1250_genbus.h>
+ #include <asm/sibyte/sb1250_regs.h>
+@@ -137,3 +138,71 @@ static int __init sb1250_device_init(voi
+ return ret;
+ }
+ device_initcall(sb1250_device_init);
++
++#ifdef CONFIG_SIBYTE_RHONE
++
++#include <linux/mtd/partitions.h>
++#include <linux/mtd/physmap.h>
++
++/* The board has 16MB flash but CFE sets up only 2MB */
++#define PHYS_TO_K1(a) CKSEG1ADDR(a)
++#define BOOTROM_SIZE 0x100
++
++static void fixup_cs0_size(void)
++{
++ SBWRITECSR(((A_IO_EXT_CS_BASE(0)) + R_IO_EXT_MULT_SIZE), BOOTROM_SIZE);
++}
++
++static struct mtd_partition flash_parts[] = {
++ {
++ .name = "cfe",
++ .offset = 0x00000000,
++ .size = 0x00200000,
++ .mask_flags = MTD_WRITEABLE,
++ },
++ {
++ .name = "os",
++ .offset = 0x00200000,
++ .size = 0x00d00000,
++ },
++ {
++ .name = "environment",
++ .offset = 0x00f00000,
++ .size = 0x00100000,
++ .mask_flags = MTD_WRITEABLE,
++ },
++};
++
++static struct physmap_flash_data flash_data = {
++ .width = 1,
++ .nr_parts = ARRAY_SIZE(flash_parts),
++ .parts = flash_parts,
++};
++
++static struct resource flash_resource = {
++ .start = 0x1fc00000,
++ .end = 0x20bfffff,
++ .flags = IORESOURCE_MEM,
++};
++
++static struct platform_device flash_device = {
++ .name = "physmap-flash",
++ .id = 0,
++ .resource = &flash_resource,
++ .num_resources = 1,
++ .dev = {
++ .platform_data = &flash_data,
++ },
++};
++
++static int __init flash_setup(void)
++{
++ fixup_cs0_size();
++ platform_device_register(&flash_device);
++
++ return 0;
++};
++
++device_initcall(flash_setup);
++
++#endif /* CONFIG_SIBYTE_RHONE */
--- /dev/null
+--- a/drivers/rtc/rtc-m41t80.c
++++ b/drivers/rtc/rtc-m41t80.c
+@@ -6,6 +6,7 @@
+ * Based on m41t00.c by Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2006 (c) mycable GmbH
++ * Copyright (c) 2008 Maciej W. Rozycki
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+@@ -38,6 +39,8 @@
+ #define M41T80_REG_DAY 5
+ #define M41T80_REG_MON 6
+ #define M41T80_REG_YEAR 7
++#define M41T80_REG_CONTROL 8
++#define M41T80_REG_WATCHDOG 9
+ #define M41T80_REG_ALARM_MON 0xa
+ #define M41T80_REG_ALARM_DAY 0xb
+ #define M41T80_REG_ALARM_HOUR 0xc
+@@ -66,7 +69,7 @@
+ #define M41T80_FEATURE_WD (1 << 3) /* Extra watchdog resolution */
+ #define M41T80_FEATURE_SQ_ALT (1 << 4) /* RSx bits are in reg 4 */
+
+-#define DRV_VERSION "0.05"
++#define DRV_VERSION "0.06"
+
+ static DEFINE_MUTEX(m41t80_rtc_mutex);
+ static const struct i2c_device_id m41t80_id[] = {
+@@ -89,31 +92,88 @@ struct m41t80_data {
+ struct rtc_device *rtc;
+ };
+
+-static int m41t80_get_datetime(struct i2c_client *client,
+- struct rtc_time *tm)
++
++static int m41t80_write_block_data(struct i2c_client *client,
++ u8 reg, u8 num, u8 *buf)
+ {
+- u8 buf[M41T80_DATETIME_REG_SIZE], dt_addr[1] = { M41T80_REG_SEC };
+- struct i2c_msg msgs[] = {
+- {
+- .addr = client->addr,
+- .flags = 0,
+- .len = 1,
+- .buf = dt_addr,
+- },
+- {
+- .addr = client->addr,
+- .flags = I2C_M_RD,
+- .len = M41T80_DATETIME_REG_SIZE - M41T80_REG_SEC,
+- .buf = buf + M41T80_REG_SEC,
+- },
+- };
++ int i, rc;
+
+- if (i2c_transfer(client->adapter, msgs, 2) < 0) {
+- dev_err(&client->dev, "read error\n");
+- return -EIO;
++ if (i2c_check_functionality(client->adapter,
++ I2C_FUNC_SMBUS_WRITE_I2C_BLOCK)) {
++ i = i2c_smbus_write_i2c_block_data(client, reg, num, buf);
++ } else {
++ for (i = 0; i < num; i++) {
++ rc = i2c_smbus_write_byte_data(client, reg + i,
++ buf[i]);
++ if (rc < 0) {
++ i = rc;
++ goto out;
++ }
++ }
+ }
++out:
++ return i;
++}
++
++static int m41t80_read_block_data(struct i2c_client *client,
++ u8 reg, u8 num, u8 *buf)
++{
++ int i, rc;
++
++ if (i2c_check_functionality(client->adapter,
++ I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
++ i = i2c_smbus_read_i2c_block_data(client, reg, num, buf);
++ } else {
++ for (i = 0; i < num; i++) {
++ rc = i2c_smbus_read_byte_data(client, reg + i);
++ if (rc < 0) {
++ i = rc;
++ goto out;
++ }
++ buf[i] = rc;
++ }
++ }
++out:
++ return i;
++}
++
++static int m41t80_get_datetime(struct i2c_client *client, struct rtc_time *tm)
++{
++ u8 buf[M41T80_DATETIME_REG_SIZE];
++ int loops = 2;
++ int sec0, sec1;
++
++ /*
++ * Time registers are latched by this chip if an I2C block
++ * transfer is used, but with SMBus-style byte accesses
++ * this is not the case, so check seconds for a wraparound.
++ */
++ do {
++ if (m41t80_read_block_data(client, M41T80_REG_SEC,
++ M41T80_DATETIME_REG_SIZE -
++ M41T80_REG_SEC,
++ buf + M41T80_REG_SEC) < 0) {
++ dev_err(&client->dev, "read error\n");
++ return -EIO;
++ }
++ if (i2c_check_functionality(client->adapter,
++ I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
++ sec1 = buf[M41T80_REG_SEC];
++ break;
++ }
++
++ sec0 = buf[M41T80_REG_SEC];
++ sec1 = i2c_smbus_read_byte_data(client, M41T80_REG_SEC);
++ if (sec1 < 0) {
++ dev_err(&client->dev, "read error\n");
++ return -EIO;
++ }
++
++ sec0 = bcd2bin(sec0 & 0x7f);
++ sec1 = bcd2bin(sec1 & 0x7f);
++ } while (sec1 < sec0 && --loops);
+
+- tm->tm_sec = bcd2bin(buf[M41T80_REG_SEC] & 0x7f);
++ tm->tm_sec = sec1;
+ tm->tm_min = bcd2bin(buf[M41T80_REG_MIN] & 0x7f);
+ tm->tm_hour = bcd2bin(buf[M41T80_REG_HOUR] & 0x3f);
+ tm->tm_mday = bcd2bin(buf[M41T80_REG_DAY] & 0x3f);
+@@ -128,39 +188,16 @@ static int m41t80_get_datetime(struct i2
+ /* Sets the given date and time to the real time clock. */
+ static int m41t80_set_datetime(struct i2c_client *client, struct rtc_time *tm)
+ {
+- u8 wbuf[1 + M41T80_DATETIME_REG_SIZE];
+- u8 *buf = &wbuf[1];
+- u8 dt_addr[1] = { M41T80_REG_SEC };
+- struct i2c_msg msgs_in[] = {
+- {
+- .addr = client->addr,
+- .flags = 0,
+- .len = 1,
+- .buf = dt_addr,
+- },
+- {
+- .addr = client->addr,
+- .flags = I2C_M_RD,
+- .len = M41T80_DATETIME_REG_SIZE - M41T80_REG_SEC,
+- .buf = buf + M41T80_REG_SEC,
+- },
+- };
+- struct i2c_msg msgs[] = {
+- {
+- .addr = client->addr,
+- .flags = 0,
+- .len = 1 + M41T80_DATETIME_REG_SIZE,
+- .buf = wbuf,
+- },
+- };
++ u8 buf[M41T80_DATETIME_REG_SIZE];
+
+ /* Read current reg values into buf[1..7] */
+- if (i2c_transfer(client->adapter, msgs_in, 2) < 0) {
++ if (m41t80_read_block_data(client, M41T80_REG_SEC,
++ M41T80_DATETIME_REG_SIZE - M41T80_REG_SEC,
++ buf + M41T80_REG_SEC) < 0) {
+ dev_err(&client->dev, "read error\n");
+ return -EIO;
+ }
+
+- wbuf[0] = 0; /* offset into rtc's regs */
+ /* Merge time-data and register flags into buf[0..7] */
+ buf[M41T80_REG_SSEC] = 0;
+ buf[M41T80_REG_SEC] =
+@@ -178,7 +215,8 @@ static int m41t80_set_datetime(struct i2
+ /* assume 20YY not 19YY */
+ buf[M41T80_REG_YEAR] = bin2bcd(tm->tm_year % 100);
+
+- if (i2c_transfer(client->adapter, msgs, 1) != 1) {
++ if (m41t80_write_block_data(client, M41T80_REG_SSEC,
++ M41T80_DATETIME_REG_SIZE, buf) < 0) {
+ dev_err(&client->dev, "write error\n");
+ return -EIO;
+ }
+@@ -238,34 +276,11 @@ err:
+ static int m41t80_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *t)
+ {
+ struct i2c_client *client = to_i2c_client(dev);
+- u8 wbuf[1 + M41T80_ALARM_REG_SIZE];
+- u8 *buf = &wbuf[1];
++ u8 buf[M41T80_ALARM_REG_SIZE];
+ u8 *reg = buf - M41T80_REG_ALARM_MON;
+- u8 dt_addr[1] = { M41T80_REG_ALARM_MON };
+- struct i2c_msg msgs_in[] = {
+- {
+- .addr = client->addr,
+- .flags = 0,
+- .len = 1,
+- .buf = dt_addr,
+- },
+- {
+- .addr = client->addr,
+- .flags = I2C_M_RD,
+- .len = M41T80_ALARM_REG_SIZE,
+- .buf = buf,
+- },
+- };
+- struct i2c_msg msgs[] = {
+- {
+- .addr = client->addr,
+- .flags = 0,
+- .len = 1 + M41T80_ALARM_REG_SIZE,
+- .buf = wbuf,
+- },
+- };
+
+- if (i2c_transfer(client->adapter, msgs_in, 2) < 0) {
++ if (m41t80_read_block_data(client, M41T80_REG_ALARM_MON,
++ M41T80_ALARM_REG_SIZE, buf) < 0) {
+ dev_err(&client->dev, "read error\n");
+ return -EIO;
+ }
+@@ -275,7 +290,6 @@ static int m41t80_rtc_set_alarm(struct d
+ reg[M41T80_REG_ALARM_MIN] = 0;
+ reg[M41T80_REG_ALARM_SEC] = 0;
+
+- wbuf[0] = M41T80_REG_ALARM_MON; /* offset into rtc's regs */
+ reg[M41T80_REG_ALARM_SEC] |= t->time.tm_sec >= 0 ?
+ bin2bcd(t->time.tm_sec) : 0x80;
+ reg[M41T80_REG_ALARM_MIN] |= t->time.tm_min >= 0 ?
+@@ -289,7 +303,8 @@ static int m41t80_rtc_set_alarm(struct d
+ else
+ reg[M41T80_REG_ALARM_DAY] |= 0x40;
+
+- if (i2c_transfer(client->adapter, msgs, 1) != 1) {
++ if (m41t80_write_block_data(client, M41T80_REG_ALARM_MON,
++ M41T80_ALARM_REG_SIZE, buf) < 0) {
+ dev_err(&client->dev, "write error\n");
+ return -EIO;
+ }
+@@ -309,24 +324,10 @@ static int m41t80_rtc_read_alarm(struct
+ {
+ struct i2c_client *client = to_i2c_client(dev);
+ u8 buf[M41T80_ALARM_REG_SIZE + 1]; /* all alarm regs and flags */
+- u8 dt_addr[1] = { M41T80_REG_ALARM_MON };
+ u8 *reg = buf - M41T80_REG_ALARM_MON;
+- struct i2c_msg msgs[] = {
+- {
+- .addr = client->addr,
+- .flags = 0,
+- .len = 1,
+- .buf = dt_addr,
+- },
+- {
+- .addr = client->addr,
+- .flags = I2C_M_RD,
+- .len = M41T80_ALARM_REG_SIZE + 1,
+- .buf = buf,
+- },
+- };
+
+- if (i2c_transfer(client->adapter, msgs, 2) < 0) {
++ if (m41t80_read_block_data(client, M41T80_REG_ALARM_MON,
++ M41T80_ALARM_REG_SIZE + 1, buf) < 0) {
+ dev_err(&client->dev, "read error\n");
+ return -EIO;
+ }
+@@ -508,26 +509,16 @@ static int boot_flag;
+ */
+ static void wdt_ping(void)
+ {
+- unsigned char i2c_data[2];
+- struct i2c_msg msgs1[1] = {
+- {
+- .addr = save_client->addr,
+- .flags = 0,
+- .len = 2,
+- .buf = i2c_data,
+- },
+- };
+- struct m41t80_data *clientdata = i2c_get_clientdata(save_client);
++ u8 wdt = 0x80; /* WDS = 1 (0x80) */
+
+- i2c_data[0] = 0x09; /* watchdog register */
++ struct m41t80_data *clientdata = i2c_get_clientdata(save_client);
+
+ if (wdt_margin > 31)
+- i2c_data[1] = (wdt_margin & 0xFC) | 0x83; /* resolution = 4s */
++ /* mulitplier = WD_TIMO / 4, resolution = 4s (0x3) */
++ wdt |= (wdt_margin & 0xfc) | 0x3;
+ else
+- /*
+- * WDS = 1 (0x80), mulitplier = WD_TIMO, resolution = 1s (0x02)
+- */
+- i2c_data[1] = wdt_margin<<2 | 0x82;
++ /* mulitplier = WD_TIMO, resolution = 1s (0x2) */
++ wdt |= wdt_margin << 2 | 0x2;
+
+ /*
+ * M41T65 has three bits for watchdog resolution. Don't set bit 7, as
+@@ -536,7 +527,7 @@ static void wdt_ping(void)
+ if (clientdata->features & M41T80_FEATURE_WD)
+ i2c_data[1] &= ~M41T80_WATCHDOG_RB2;
+
+- i2c_transfer(save_client->adapter, msgs1, 1);
++ i2c_smbus_write_byte_data(save_client, M41T80_REG_WATCHDOG, wdt);
+ }
+
+ /**
+@@ -546,36 +537,8 @@ static void wdt_ping(void)
+ */
+ static void wdt_disable(void)
+ {
+- unsigned char i2c_data[2], i2c_buf[0x10];
+- struct i2c_msg msgs0[2] = {
+- {
+- .addr = save_client->addr,
+- .flags = 0,
+- .len = 1,
+- .buf = i2c_data,
+- },
+- {
+- .addr = save_client->addr,
+- .flags = I2C_M_RD,
+- .len = 1,
+- .buf = i2c_buf,
+- },
+- };
+- struct i2c_msg msgs1[1] = {
+- {
+- .addr = save_client->addr,
+- .flags = 0,
+- .len = 2,
+- .buf = i2c_data,
+- },
+- };
+-
+- i2c_data[0] = 0x09;
+- i2c_transfer(save_client->adapter, msgs0, 2);
+-
+- i2c_data[0] = 0x09;
+- i2c_data[1] = 0x00;
+- i2c_transfer(save_client->adapter, msgs1, 1);
++ i2c_smbus_read_byte_data(save_client, M41T80_REG_WATCHDOG);
++ i2c_smbus_write_byte_data(save_client, M41T80_REG_WATCHDOG, 0);
+ }
+
+ /**
+@@ -777,8 +740,8 @@ static int m41t80_probe(struct i2c_clien
+ struct rtc_time tm;
+ struct m41t80_data *clientdata = NULL;
+
+- if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C
+- | I2C_FUNC_SMBUS_BYTE_DATA)) {
++ if (!i2c_check_functionality(client->adapter,
++ I2C_FUNC_SMBUS_BYTE_DATA)) {
+ rc = -ENODEV;
+ goto exit;
+ }
--- /dev/null
+--- a/arch/mips/sibyte/swarm/setup.c
++++ b/arch/mips/sibyte/swarm/setup.c
+@@ -56,14 +56,6 @@ extern void sb1250_setup(void);
+ #error invalid SiByte board configuration
+ #endif
+
+-extern int xicor_probe(void);
+-extern int xicor_set_time(unsigned long);
+-extern unsigned long xicor_get_time(void);
+-
+-extern int m41t81_probe(void);
+-extern int m41t81_set_time(unsigned long);
+-extern unsigned long m41t81_get_time(void);
+-
+ const char *get_system_type(void)
+ {
+ return "SiByte " SIBYTE_BOARD_NAME;
+@@ -79,49 +71,18 @@ int swarm_be_handler(struct pt_regs *reg
+ return (is_fixup ? MIPS_BE_FIXUP : MIPS_BE_FATAL);
+ }
+
+-enum swarm_rtc_type {
+- RTC_NONE,
+- RTC_XICOR,
+- RTC_M41T81,
+-};
+-
+-enum swarm_rtc_type swarm_rtc_type;
+-
+ void read_persistent_clock(struct timespec *ts)
+ {
+ unsigned long sec;
+
+- switch (swarm_rtc_type) {
+- case RTC_XICOR:
+- sec = xicor_get_time();
+- break;
+-
+- case RTC_M41T81:
+- sec = m41t81_get_time();
+- break;
+-
+- case RTC_NONE:
+- default:
+- sec = mktime(2000, 1, 1, 0, 0, 0);
+- break;
+- }
++ sec = mktime(2000, 1, 1, 0, 0, 0);
+ ts->tv_sec = sec;
+ ts->tv_nsec = 0;
+ }
+
+ int rtc_mips_set_time(unsigned long sec)
+ {
+- switch (swarm_rtc_type) {
+- case RTC_XICOR:
+- return xicor_set_time(sec);
+-
+- case RTC_M41T81:
+- return m41t81_set_time(sec);
+-
+- case RTC_NONE:
+- default:
+ return -1;
+- }
+ }
+
+ void __init plat_mem_setup(void)
+@@ -138,11 +99,6 @@ void __init plat_mem_setup(void)
+
+ board_be_handler = swarm_be_handler;
+
+- if (xicor_probe())
+- swarm_rtc_type = RTC_XICOR;
+- if (m41t81_probe())
+- swarm_rtc_type = RTC_M41T81;
+-
+ #ifdef CONFIG_VT
+ screen_info = (struct screen_info) {
+ .orig_video_page = 52,
--- /dev/null
+--- a/arch/mips/sibyte/swarm/swarm-i2c.c
++++ b/arch/mips/sibyte/swarm/swarm-i2c.c
+@@ -13,6 +13,11 @@
+ #include <linux/init.h>
+ #include <linux/kernel.h>
+
++static struct i2c_board_info swarm_i2c_info0[] __initdata = {
++ {
++ I2C_BOARD_INFO("lm90", 0x2a),
++ },
++};
+
+ static struct i2c_board_info swarm_i2c_info1[] __initdata = {
+ {
+@@ -24,6 +29,8 @@ static int __init swarm_i2c_init(void)
+ {
+ int err;
+
++ err = i2c_register_board_info(0, swarm_i2c_info0,
++ ARRAY_SIZE(swarm_i2c_info0));
+ err = i2c_register_board_info(1, swarm_i2c_info1,
+ ARRAY_SIZE(swarm_i2c_info1));
+ if (err < 0)
--- /dev/null
+--- a/arch/mips/Makefile
++++ b/arch/mips/Makefile
+@@ -90,8 +90,8 @@ all-$(CONFIG_SYS_SUPPORTS_ZBOOT)+= vmlin
+ cflags-y += -G 0 -mno-abicalls -fno-pic -pipe
+ cflags-y += -msoft-float
+ LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
+-KBUILD_AFLAGS_MODULE += -mno-long-calls
+-KBUILD_CFLAGS_MODULE += -mno-long-calls
++KBUILD_AFLAGS_MODULE += -mlong-calls
++KBUILD_CFLAGS_MODULE += -mlong-calls
+
+ cflags-y += -ffreestanding
+
+--- a/arch/mips/include/asm/module.h
++++ b/arch/mips/include/asm/module.h
+@@ -9,11 +9,6 @@ struct mod_arch_specific {
+ struct list_head dbe_list;
+ const struct exception_table_entry *dbe_start;
+ const struct exception_table_entry *dbe_end;
+-
+- void *phys_plt_tbl;
+- void *virt_plt_tbl;
+- unsigned int phys_plt_offset;
+- unsigned int virt_plt_offset;
+ };
+
+ typedef uint8_t Elf64_Byte; /* Type for a 8-bit quantity. */
+--- a/arch/mips/kernel/module.c
++++ b/arch/mips/kernel/module.c
+@@ -44,117 +44,6 @@ static struct mips_hi16 *mips_hi16_list;
+ static LIST_HEAD(dbe_list);
+ static DEFINE_SPINLOCK(dbe_lock);
+
+-/*
+- * Get the potential max trampolines size required of the init and
+- * non-init sections. Only used if we cannot find enough contiguous
+- * physically mapped memory to put the module into.
+- */
+-static unsigned int
+-get_plt_size(const Elf_Ehdr *hdr, const Elf_Shdr *sechdrs,
+- const char *secstrings, unsigned int symindex, bool is_init)
+-{
+- unsigned long ret = 0;
+- unsigned int i, j;
+- Elf_Sym *syms;
+-
+- /* Everything marked ALLOC (this includes the exported symbols) */
+- for (i = 1; i < hdr->e_shnum; ++i) {
+- unsigned int info = sechdrs[i].sh_info;
+-
+- if (sechdrs[i].sh_type != SHT_REL
+- && sechdrs[i].sh_type != SHT_RELA)
+- continue;
+-
+- /* Not a valid relocation section? */
+- if (info >= hdr->e_shnum)
+- continue;
+-
+- /* Don't bother with non-allocated sections */
+- if (!(sechdrs[info].sh_flags & SHF_ALLOC))
+- continue;
+-
+- /* If it's called *.init*, and we're not init, we're
+- not interested */
+- if ((strstr(secstrings + sechdrs[i].sh_name, ".init") != 0)
+- != is_init)
+- continue;
+-
+- syms = (Elf_Sym *) sechdrs[symindex].sh_addr;
+- if (sechdrs[i].sh_type == SHT_REL) {
+- Elf_Mips_Rel *rel = (void *) sechdrs[i].sh_addr;
+- unsigned int size = sechdrs[i].sh_size / sizeof(*rel);
+-
+- for (j = 0; j < size; ++j) {
+- Elf_Sym *sym;
+-
+- if (ELF_MIPS_R_TYPE(rel[j]) != R_MIPS_26)
+- continue;
+-
+- sym = syms + ELF_MIPS_R_SYM(rel[j]);
+- if (!is_init && sym->st_shndx != SHN_UNDEF)
+- continue;
+-
+- ret += 4 * sizeof(int);
+- }
+- } else {
+- Elf_Mips_Rela *rela = (void *) sechdrs[i].sh_addr;
+- unsigned int size = sechdrs[i].sh_size / sizeof(*rela);
+-
+- for (j = 0; j < size; ++j) {
+- Elf_Sym *sym;
+-
+- if (ELF_MIPS_R_TYPE(rela[j]) != R_MIPS_26)
+- continue;
+-
+- sym = syms + ELF_MIPS_R_SYM(rela[j]);
+- if (!is_init && sym->st_shndx != SHN_UNDEF)
+- continue;
+-
+- ret += 4 * sizeof(int);
+- }
+- }
+- }
+-
+- return ret;
+-}
+-
+-#ifndef MODULE_START
+-static void *alloc_phys(unsigned long size)
+-{
+- unsigned order;
+- struct page *page;
+- struct page *p;
+-
+- size = PAGE_ALIGN(size);
+- order = get_order(size);
+-
+- page = alloc_pages(GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN |
+- __GFP_THISNODE, order);
+- if (!page)
+- return NULL;
+-
+- split_page(page, order);
+-
+- for (p = page + (size >> PAGE_SHIFT); p < page + (1 << order); ++p)
+- __free_page(p);
+-
+- return page_address(page);
+-}
+-#endif
+-
+-static void free_phys(void *ptr, unsigned long size)
+-{
+- struct page *page;
+- struct page *end;
+-
+- page = virt_to_page(ptr);
+- end = page + (PAGE_ALIGN(size) >> PAGE_SHIFT);
+-
+- for (; page < end; ++page)
+- __free_page(page);
+-}
+-
+-
+ void *module_alloc(unsigned long size)
+ {
+ #ifdef MODULE_START
+@@ -162,99 +51,21 @@ void *module_alloc(unsigned long size)
+ GFP_KERNEL, PAGE_KERNEL, -1,
+ __builtin_return_address(0));
+ #else
+- void *ptr;
+-
+ if (size == 0)
+ return NULL;
+-
+- ptr = alloc_phys(size);
+-
+- /* If we failed to allocate physically contiguous memory,
+- * fall back to regular vmalloc. The module loader code will
+- * create jump tables to handle long jumps */
+- if (!ptr)
+- return vmalloc(size);
+-
+- return ptr;
+-#endif
+-}
+-
+-static inline bool is_phys_addr(void *ptr)
+-{
+-#ifdef CONFIG_64BIT
+- return (KSEGX((unsigned long)ptr) == CKSEG0);
+-#else
+- return (KSEGX(ptr) == KSEG0);
++ return vmalloc(size);
+ #endif
+ }
+
+ /* Free memory returned from module_alloc */
+ void module_free(struct module *mod, void *module_region)
+ {
+- if (is_phys_addr(module_region)) {
+- if (mod->module_init == module_region)
+- free_phys(module_region, mod->init_size);
+- else if (mod->module_core == module_region)
+- free_phys(module_region, mod->core_size);
+- else
+- BUG();
+- } else {
+- vfree(module_region);
+- }
+-}
+-
+-static void *__module_alloc(int size, bool phys)
+-{
+- void *ptr;
+-
+- if (phys)
+- ptr = kmalloc(size, GFP_KERNEL);
+- else
+- ptr = vmalloc(size);
+- return ptr;
+-}
+-
+-static void __module_free(void *ptr)
+-{
+- if (is_phys_addr(ptr))
+- kfree(ptr);
+- else
+- vfree(ptr);
++ vfree(module_region);
+ }
+
+ int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
+ char *secstrings, struct module *mod)
+ {
+- unsigned int symindex = 0;
+- unsigned int core_size, init_size;
+- int i;
+-
+- for (i = 1; i < hdr->e_shnum; i++)
+- if (sechdrs[i].sh_type == SHT_SYMTAB)
+- symindex = i;
+-
+- core_size = get_plt_size(hdr, sechdrs, secstrings, symindex, false);
+- init_size = get_plt_size(hdr, sechdrs, secstrings, symindex, true);
+-
+- mod->arch.phys_plt_offset = 0;
+- mod->arch.virt_plt_offset = 0;
+- mod->arch.phys_plt_tbl = NULL;
+- mod->arch.virt_plt_tbl = NULL;
+-
+- if ((core_size + init_size) == 0)
+- return 0;
+-
+- mod->arch.phys_plt_tbl = __module_alloc(core_size + init_size, 1);
+- if (!mod->arch.phys_plt_tbl)
+- return -ENOMEM;
+-
+- mod->arch.virt_plt_tbl = __module_alloc(core_size + init_size, 0);
+- if (!mod->arch.virt_plt_tbl) {
+- __module_free(mod->arch.phys_plt_tbl);
+- mod->arch.phys_plt_tbl = NULL;
+- return -ENOMEM;
+- }
+-
+ return 0;
+ }
+
+@@ -277,36 +88,28 @@ static int apply_r_mips_32_rela(struct m
+ return 0;
+ }
+
+-static Elf_Addr add_plt_entry_to(unsigned *plt_offset,
+- void *start, Elf_Addr v)
++static int apply_r_mips_26_rel(struct module *me, u32 *location, Elf_Addr v)
+ {
+- unsigned *tramp = start + *plt_offset;
+- *plt_offset += 4 * sizeof(int);
+-
+- /* adjust carry for addiu */
+- if (v & 0x00008000)
+- v += 0x10000;
+-
+- tramp[0] = 0x3c190000 | (v >> 16); /* lui t9, hi16 */
+- tramp[1] = 0x27390000 | (v & 0xffff); /* addiu t9, t9, lo16 */
+- tramp[2] = 0x03200008; /* jr t9 */
+- tramp[3] = 0x00000000; /* nop */
++ if (v % 4) {
++ pr_err("module %s: dangerous R_MIPS_26 REL relocation\n",
++ me->name);
++ return -ENOEXEC;
++ }
+
+- return (Elf_Addr) tramp;
+-}
++ if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
++ printk(KERN_ERR
++ "module %s: relocation overflow\n",
++ me->name);
++ return -ENOEXEC;
++ }
+
+-static Elf_Addr add_plt_entry(struct module *me, void *location, Elf_Addr v)
+-{
+- if (is_phys_addr(location))
+- return add_plt_entry_to(&me->arch.phys_plt_offset,
+- me->arch.phys_plt_tbl, v);
+- else
+- return add_plt_entry_to(&me->arch.virt_plt_offset,
+- me->arch.virt_plt_tbl, v);
++ *location = (*location & ~0x03ffffff) |
++ ((*location + (v >> 2)) & 0x03ffffff);
+
++ return 0;
+ }
+
+-static int set_r_mips_26(struct module *me, u32 *location, u32 ofs, Elf_Addr v)
++static int apply_r_mips_26_rela(struct module *me, u32 *location, Elf_Addr v)
+ {
+ if (v % 4) {
+ pr_err("module %s: dangerous R_MIPS_26 RELArelocation\n",
+@@ -315,31 +118,17 @@ static int set_r_mips_26(struct module *
+ }
+
+ if ((v & 0xf0000000) != (((unsigned long)location + 4) & 0xf0000000)) {
+- v = add_plt_entry(me, location, v + (ofs << 2));
+- if (!v) {
+- printk(KERN_ERR
++ printk(KERN_ERR
+ "module %s: relocation overflow\n",
+ me->name);
+- return -ENOEXEC;
+- }
+- ofs = 0;
++ return -ENOEXEC;
+ }
+
+- *location = (*location & ~0x03ffffff) | ((ofs + (v >> 2)) & 0x03ffffff);
++ *location = (*location & ~0x03ffffff) | ((v >> 2) & 0x03ffffff);
+
+ return 0;
+ }
+
+-static int apply_r_mips_26_rel(struct module *me, u32 *location, Elf_Addr v)
+-{
+- return set_r_mips_26(me, location, *location & 0x03ffffff, v);
+-}
+-
+-static int apply_r_mips_26_rela(struct module *me, u32 *location, Elf_Addr v)
+-{
+- return set_r_mips_26(me, location, 0, v);
+-}
+-
+ static int apply_r_mips_hi16_rel(struct module *me, u32 *location, Elf_Addr v)
+ {
+ struct mips_hi16 *n;
+@@ -607,32 +396,11 @@ int module_finalize(const Elf_Ehdr *hdr,
+ list_add(&me->arch.dbe_list, &dbe_list);
+ spin_unlock_irq(&dbe_lock);
+ }
+-
+- /* Get rid of the fixup trampoline if we're running the module
+- * from physically mapped address space */
+- if (me->arch.phys_plt_offset == 0) {
+- __module_free(me->arch.phys_plt_tbl);
+- me->arch.phys_plt_tbl = NULL;
+- }
+- if (me->arch.virt_plt_offset == 0) {
+- __module_free(me->arch.virt_plt_tbl);
+- me->arch.virt_plt_tbl = NULL;
+- }
+-
+ return 0;
+ }
+
+ void module_arch_cleanup(struct module *mod)
+ {
+- if (mod->arch.phys_plt_tbl) {
+- __module_free(mod->arch.phys_plt_tbl);
+- mod->arch.phys_plt_tbl = NULL;
+- }
+- if (mod->arch.virt_plt_tbl) {
+- __module_free(mod->arch.virt_plt_tbl);
+- mod->arch.virt_plt_tbl = NULL;
+- }
+-
+ spin_lock_irq(&dbe_lock);
+ list_del(&mod->arch.dbe_list);
+ spin_unlock_irq(&dbe_lock);
projects / openwrt.git / commitdiff