Merge tag 'dm-pull-15jan19' of git://git.denx.de/u-boot-dm

Fix recent changes to serial API for driver model
Buildman clang support and a few fixes
Small fixes to 'dm tree' and regmap test
Improve sandbox build compatibility
A few other minor fixes

.travis.yml

@@ -109,16 +109,9 @@ script:
  #
  # From buildman, exit code 129 means warnings only.  If we've been asked to
  # use clang only do one configuration.
- - if [[ "${TOOLCHAIN}" == "clang" ]]; then
+ - if [[ "${BUILDMAN}" != "" ]]; then
      ret=0;
-     make O=../.bm-work/${TEST_PY_BD} HOSTCC=clang-7 CC=clang-7 -j$(nproc)
-       KCFLAGS=-Werror sandbox_config all || ret=$?;
-     if [[ $ret -ne 0 ]]; then
-       exit $ret;
-     fi;
-   elif [[ "${BUILDMAN}" != "" ]]; then
-     ret=0;
-     tools/buildman/buildman -P -E ${BUILDMAN} || ret=$?;
+     tools/buildman/buildman -P -E ${BUILDMAN} ${OVERRIDE}|| ret=$?;
      if [[ $ret -ne 0 && $ret -ne 129 ]]; then
        tools/buildman/buildman -sdeP ${BUILDMAN};
        exit $ret;
@@ -351,7 +344,7 @@ matrix:
       env:
         - TEST_PY_BD="sandbox"
           BUILDMAN="^sandbox$"
-          TOOLCHAIN="clang"
+          OVERRIDE="clang-7"
     - name: "test/py sandbox_spl"
       env:
         - TEST_PY_BD="sandbox_spl"

arch/sandbox/config.mk

@@ -11,11 +11,9 @@ PLATFORM_LIBS += -lrt
 ifneq ($(NO_SDL),)
 PLATFORM_CPPFLAGS += -DSANDBOX_NO_SDL
 else
-ifdef CONFIG_SANDBOX_SDL
 PLATFORM_LIBS += $(shell sdl-config --libs)
 PLATFORM_CPPFLAGS += $(shell sdl-config --cflags)
 endif
-endif
 
 cmd_u-boot__ = $(CC) -o $@ -Wl,-T u-boot.lds $(u-boot-init) \
 	-Wl,--start-group $(u-boot-main) -Wl,--end-group \

arch/sandbox/cpu/sdl.c

@@ -6,7 +6,7 @@
 #include <errno.h>
 #include <unistd.h>
 #include <linux/input.h>
-#include <SDL/SDL.h>
+#include <SDL.h>
 #include <asm/state.h>
 
 /**

arch/sandbox/dts/sandbox.dts

@@ -100,11 +100,13 @@
 		eeprom@2c {
 			reg = <0x2c>;
 			compatible = "i2c-eeprom";
+			sandbox,emul = <&emul_eeprom>;
 		};
 
 		rtc_0: rtc@43 {
 			reg = <0x43>;
 			compatible = "sandbox-rtc";
+			sandbox,emul = <&emul0>;
 		};
 		sandbox_pmic: sandbox_pmic {
 			reg = <0x40>;
@@ -115,18 +117,14 @@
 		};
 
 		i2c_emul: emul {
-			#address-cells = <1>;
-			#size-cells = <0>;
 			reg = <0xff>;
 			compatible = "sandbox,i2c-emul-parent";
-			emul-eeprom {
-				reg = <0x2c>;
+			emul_eeprom: emul-eeprom {
 				compatible = "sandbox,i2c-eeprom";
 				sandbox,filename = "i2c.bin";
 				sandbox,size = <256>;
 			};
-			emul0 {
-				reg = <0x43>;
+			emul0: emul0 {
 				compatible = "sandbox,i2c-rtc";
 			};
 		};

arch/sandbox/dts/sandbox64.dts

@@ -90,11 +90,13 @@
 		eeprom@2c {
 			reg = <0x2c>;
 			compatible = "i2c-eeprom";
+			sandbox,emul = <&emul_eeprom>;
 		};
 
 		rtc_0: rtc@43 {
 			reg = <0x43>;
 			compatible = "sandbox-rtc";
+			sandbox,emul = <&emul0>;
 		};
 		sandbox_pmic: sandbox_pmic {
 			reg = <0x40>;
@@ -107,12 +109,12 @@
 		i2c_emul: emul {
 			reg = <0xff>;
 			compatible = "sandbox,i2c-emul-parent";
-			emul-eeprom {
+			emul_eeprom: emul-eeprom {
 				compatible = "sandbox,i2c-eeprom";
 				sandbox,filename = "i2c.bin";
 				sandbox,size = <256>;
 			};
-			emul0 {
+			emul0: emul0 {
 				compatible = "sandbox,i2c-rtc";
 			};
 		};

arch/sandbox/include/asm/io.h

@@ -173,6 +173,18 @@ static inline void _outsw(volatile u16 *port, const void *buf, int ns)
 {
 }
 
+static inline void memset_io(volatile void *addr, unsigned char val, int count)
+{
+}
+
+static inline void memcpy_fromio(void *dst, const volatile void *src, int count)
+{
+}
+
+static inline void memcpy_toio(volatile void *dst, const void *src, int count)
+{
+}
+
 #define insw(port, buf, ns)		_insw((u16 *)port, buf, ns)
 #define outsw(port, buf, ns)		_outsw((u16 *)port, buf, ns)
 

arch/x86/lib/acpi_table.c

@@ -342,6 +342,7 @@ static void acpi_create_spcr(struct acpi_spcr *spcr)
 	struct acpi_table_header *header = &(spcr->header);
 	struct serial_device_info serial_info = {0};
 	ulong serial_address, serial_offset;
+	struct udevice *dev;
 	uint serial_config;
 	uint serial_width;
 	int access_size;
@@ -353,7 +354,10 @@ static void acpi_create_spcr(struct acpi_spcr *spcr)
 	header->length = sizeof(struct acpi_spcr);
 	header->revision = 2;
 
-	ret = serial_getinfo(&serial_info);
+	/* Read the device once, here. It is reused below */
+	ret = uclass_first_device_err(UCLASS_SERIAL, &dev);
+	if (!ret)
+		ret = serial_getinfo(dev, &serial_info);
 	if (ret)
 		serial_info.type = SERIAL_CHIP_UNKNOWN;
 
@@ -431,9 +435,9 @@ static void acpi_create_spcr(struct acpi_spcr *spcr)
 		break;
 	}
 
-	ret = serial_getconfig(&serial_config);
-	if (ret)
-		serial_config = SERIAL_DEFAULT_CONFIG;
+	serial_config = SERIAL_DEFAULT_CONFIG;
+	if (dev)
+		ret = serial_getconfig(dev, &serial_config);
 
 	spcr->parity = SERIAL_GET_PARITY(serial_config);
 	spcr->stop_bits = SERIAL_GET_STOP(serial_config);

common/fdt_support.c

@@ -1025,7 +1025,7 @@ static u64 of_bus_default_map(fdt32_t *addr, const fdt32_t *range,
 	s  = fdt_read_number(range + na + pna, ns);
 	da = fdt_read_number(addr, na);
 
-	debug("OF: default map, cp=%llu, s=%llu, da=%llu\n", cp, s, da);
+	debug("OF: default map, cp=%llx, s=%llx, da=%llx\n", cp, s, da);
 
 	if (da < cp || da >= (cp + s))
 		return OF_BAD_ADDR;
@@ -1080,7 +1080,7 @@ static u64 of_bus_isa_map(fdt32_t *addr, const fdt32_t *range,
 	s  = fdt_read_number(range + na + pna, ns);
 	da = fdt_read_number(addr + 1, na - 1);
 
-	debug("OF: ISA map, cp=%llu, s=%llu, da=%llu\n", cp, s, da);
+	debug("OF: ISA map, cp=%llx, s=%llx, da=%llx\n", cp, s, da);
 
 	if (da < cp || da >= (cp + s))
 		return OF_BAD_ADDR;

drivers/core/dump.c

@@ -16,7 +16,7 @@ static void show_devices(struct udevice *dev, int depth, int last_flag)
 	struct udevice *child;
 
 	/* print the first 20 characters to not break the tree-format. */
-	printf(" %-10.10s  %d  [ %c ]   %-20.20s  ", dev->uclass->uc_drv->name,
+	printf(" %-10.10s  %2d  [ %c ]   %-20.20s  ", dev->uclass->uc_drv->name,
 	       dev_get_uclass_index(dev, NULL),
 	       dev->flags & DM_FLAG_ACTIVATED ? '+' : ' ', dev->driver->name);
 
@@ -49,7 +49,7 @@ void dm_dump_all(void)
 
 	root = dm_root();
 	if (root) {
-		printf(" Class    index  Probed  Driver                Name\n");
+		printf(" Class     Index  Probed  Driver                Name\n");
 		printf("-----------------------------------------------------------\n");
 		show_devices(root, -1, 0);
 	}

drivers/net/sandbox-raw.c

@@ -152,7 +152,6 @@ static int sb_eth_raw_ofdata_to_platdata(struct udevice *dev)
 	struct eth_pdata *pdata = dev_get_platdata(dev);
 	struct eth_sandbox_raw_priv *priv = dev_get_priv(dev);
 	const char *ifname;
-	u32 local;
 	int ret;
 
 	pdata->iobase = dev_read_addr(dev);
@@ -173,10 +172,10 @@ static int sb_eth_raw_ofdata_to_platdata(struct udevice *dev)
 		       priv->host_ifindex, priv->host_ifname);
 	}
 
-	local = sandbox_eth_raw_os_is_local(priv->host_ifname);
-	if (local < 0)
-		return local;
-	priv->local = local;
+	ret = sandbox_eth_raw_os_is_local(priv->host_ifname);
+	if (ret < 0)
+		return ret;
+	priv->local = ret;
 
 	return 0;
 }

drivers/serial/serial-uclass.c

@@ -294,49 +294,40 @@ void serial_setbrg(void)
 		ops->setbrg(gd->cur_serial_dev, gd->baudrate);
 }
 
-int serial_getconfig(uint *config)
+int serial_getconfig(struct udevice *dev, uint *config)
 {
 	struct dm_serial_ops *ops;
 
-	if (!gd->cur_serial_dev)
-		return 0;
-
-	ops = serial_get_ops(gd->cur_serial_dev);
+	ops = serial_get_ops(dev);
 	if (ops->getconfig)
-		return ops->getconfig(gd->cur_serial_dev, config);
+		return ops->getconfig(dev, config);
 
 	return 0;
 }
 
-int serial_setconfig(uint config)
+int serial_setconfig(struct udevice *dev, uint config)
 {
 	struct dm_serial_ops *ops;
 
-	if (!gd->cur_serial_dev)
-		return 0;
-
-	ops = serial_get_ops(gd->cur_serial_dev);
+	ops = serial_get_ops(dev);
 	if (ops->setconfig)
-		return ops->setconfig(gd->cur_serial_dev, config);
+		return ops->setconfig(dev, config);
 
 	return 0;
 }
 
-int serial_getinfo(struct serial_device_info *info)
+int serial_getinfo(struct udevice *dev, struct serial_device_info *info)
 {
 	struct dm_serial_ops *ops;
 
-	if (!gd->cur_serial_dev)
-		return -ENODEV;
-
 	if (!info)
 		return -EINVAL;
 
 	info->baudrate = gd->baudrate;
 
-	ops = serial_get_ops(gd->cur_serial_dev);
+	ops = serial_get_ops(dev);
 	if (ops->getinfo)
-		return ops->getinfo(gd->cur_serial_dev, info);
+		return ops->getinfo(dev, info);
 
 	return -EINVAL;
 }

include/common.h

@@ -351,18 +351,13 @@ void smp_set_core_boot_addr(unsigned long addr, int corenr);
 void smp_kick_all_cpus(void);
 
 /* $(CPU)/serial.c */
-struct serial_device_info;
-
 int	serial_init   (void);
 void	serial_setbrg (void);
 void	serial_putc   (const char);
 void	serial_putc_raw(const char);
 void	serial_puts   (const char *);
 int	serial_getc   (void);
 int	serial_tstc   (void);
-int	serial_getconfig(uint *config);
-int	serial_setconfig(uint config);
-int	serial_getinfo(struct serial_device_info *info);
 
 /* $(CPU)/speed.c */
 int	get_clocks (void);

include/log.h

@@ -73,7 +73,8 @@ static inline int log_uc_cat(enum uclass_id id)
  * @return 0 if log record was emitted, -ve on error
  */
 int _log(enum log_category_t cat, enum log_level_t level, const char *file,
-	 int line, const char *func, const char *fmt, ...);
+	 int line, const char *func, const char *fmt, ...)
+		__attribute__ ((format (__printf__, 6, 7)));
 
 /* Define this at the top of a file to add a prefix to debug messages */
 #ifndef pr_fmt

include/regmap.h

@@ -248,6 +248,8 @@ int regmap_raw_read_range(struct regmap *map, uint range_num, uint offset,
  * @cond:	Break condition (usually involving @val)
  * @sleep_us:	Maximum time to sleep between reads in us (0 tight-loops).
  * @timeout_ms:	Timeout in ms, 0 means never timeout
+ * @test_add_time: Used for sandbox testing - amount of time to add after
+ *		starting the loop (0 if not testing)
  *
  * Returns 0 on success and -ETIMEDOUT upon a timeout or the regmap_read
  * error return value in case of a error read. In the two former cases,
@@ -256,8 +258,12 @@ int regmap_raw_read_range(struct regmap *map, uint range_num, uint offset,
  *
  * This is modelled after the regmap_read_poll_timeout macros in linux but
  * with millisecond timeout.
+ *
+ * The _test version is for sandbox testing only. Do not use this in normal
+ * code as it advances the timer.
  */
-#define regmap_read_poll_timeout(map, addr, val, cond, sleep_us, timeout_ms) \
+#define regmap_read_poll_timeout_test(map, addr, val, cond, sleep_us, \
+				      timeout_ms, test_add_time) \
 ({ \
 	unsigned long __start = get_timer(0); \
 	int __ret; \
@@ -267,6 +273,8 @@ int regmap_raw_read_range(struct regmap *map, uint range_num, uint offset,
 			break; \
 		if (cond) \
 			break; \
+		if (IS_ENABLED(CONFIG_SANDBOX) && test_add_time) \
+			sandbox_timer_add_offset(test_add_time); \
 		if ((timeout_ms) && get_timer(__start) > (timeout_ms)) { \
 			__ret = regmap_read((map), (addr), &(val)); \
 			break; \
@@ -277,6 +285,10 @@ int regmap_raw_read_range(struct regmap *map, uint range_num, uint offset,
 	__ret ?: ((cond) ? 0 : -ETIMEDOUT); \
 })
 
+#define regmap_read_poll_timeout(map, addr, val, cond, sleep_us, timeout_ms) \
+	regmap_read_poll_timeout_test(map, addr, val, cond, sleep_us, \
+				      timeout_ms, 0) \
+
 /**
  * regmap_update_bits() - Perform a read/modify/write using a mask
  *