drivers: Merge the common driver initialization into one place

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>

arch/arm/src/common/arm_initialize.c

@@ -22,23 +22,8 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
 #include <nuttx/board.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
-
 #include <arch/board/board.h>
 
 #include "arm_arch.h"
@@ -49,7 +34,7 @@
  ****************************************************************************/
 
 /****************************************************************************
- * Name: up_color_intstack
+ * Name: arm_color_intstack
  *
  * Description:
  *   Set the interrupt stack to a value so that later we can determine how
@@ -58,7 +43,7 @@
  ****************************************************************************/
 
 #if defined(CONFIG_STACK_COLORATION) && CONFIG_ARCH_INTERRUPTSTACK > 3
-static inline void up_color_intstack(void)
+static inline void arm_color_intstack(void)
 {
 #ifdef CONFIG_SMP
   uint32_t *ptr = (uint32_t *)arm_intstack_alloc();
@@ -75,7 +60,7 @@ static inline void up_color_intstack(void)
     }
 }
 #else
-#  define up_color_intstack()
+#  define arm_color_intstack()
 #endif
 
 /****************************************************************************
@@ -101,13 +86,9 @@ static inline void up_color_intstack(void)
 
 void up_initialize(void)
 {
-  /* Initialize global variables */
-
-  CURRENT_REGS = NULL;
-
   /* Colorize the interrupt stack */
 
-  up_color_intstack();
+  arm_color_intstack();
 
   /* Add any extra memory fragments to the memory manager */
 
@@ -136,92 +117,18 @@ void up_initialize(void)
     }
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   arm_serialinit();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined (CONFIG_LWL_CONSOLE)
-  lwlconsole_init();
-#elif defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #ifndef CONFIG_NETDEV_LATEINIT
   /* Initialize the network */
 
   arm_netinitialize();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
 #if defined(CONFIG_USBDEV) || defined(CONFIG_USBHOST)
   /* Initialize USB -- device and/or host */
 

arch/arm/src/common/arm_internal.h

@@ -445,14 +445,6 @@ void arm_serialinit(void);
 void arm_earlyserialinit(void);
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#endif
-
-#ifdef CONFIG_LWL_CONSOLE
-void lwlconsole_init(void);
-#endif
-
 /* DMA **********************************************************************/
 
 #ifdef CONFIG_ARCH_DMA
@@ -475,10 +467,6 @@ void arm_addregion(void);
 # define arm_addregion()
 #endif
 
-/* Watchdog timer ***********************************************************/
-
-void arm_wdtinit(void);
-
 /* Networking ***************************************************************/
 
 /* Defined in board/xyz_network.c for board-specific Ethernet

arch/arm/src/eoss3/eoss3_serial.c

@@ -38,7 +38,6 @@
 #include <nuttx/irq.h>
 #include <nuttx/arch.h>
 #include <nuttx/init.h>
-#include <nuttx/power/pm.h>
 #include <nuttx/fs/ioctl.h>
 #include <nuttx/serial/serial.h>
 #include <nuttx/wqueue.h>

arch/arm/src/imx6/imx_enet.c

@@ -2668,7 +2668,7 @@ int imx_netinitialize(int intf)
 }
 
 /****************************************************************************
- * Name: up_netinitialize
+ * Name: arm_netinitialize
  *
  * Description:
  *   Initialize the first network interface.  If there are more than one

arch/arm/src/imx6/imx_enet.h

@@ -54,28 +54,6 @@ extern "C"
 #define EXTERN extern
 #endif
 
-/****************************************************************************
- * Function: up_netinitialize
- *
- * Description:
- *   Initialize the first network interface.  If there are more than one
- *   interface in the chip, then board-specific logic will have to provide
- *   this function to determine which, if any, Ethernet controllers should
- *   be initialized.  Also prototyped in up_internal.h.
- *
- * Input Parameters:
- *   None
- *
- * Returned Value:
- *   OK on success; Negated errno on failure.
- *
- * Assumptions:
- *   Called very early in the initialization sequence.
- *
- ****************************************************************************/
-
-void up_netinitialize(void);
-
 /****************************************************************************
  * Function: imx_phy_boardinitialize
  *

arch/arm/src/imxrt/imxrt_lpspi.c

@@ -61,7 +61,6 @@
 #include <nuttx/arch.h>
 #include <nuttx/semaphore.h>
 #include <nuttx/spi/spi.h>
-#include <nuttx/power/pm.h>
 
 #include <arch/board/board.h>
 

arch/arm/src/nrf52/nrf52_pminitialize.c

@@ -23,7 +23,8 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
-#include <nuttx/power/pm.h>
+
+#include "arm_internal.h"
 
 /****************************************************************************
  * Public Functions
@@ -49,7 +50,4 @@
 
 void arm_pminitialize(void)
 {
-  /* Then initialize the NuttX power management subsystem proper */
-
-  pm_initialize();
 }

arch/arm/src/s32k1xx/s32k1xx_pminitialize.c

@@ -24,8 +24,6 @@
 
 #include <nuttx/config.h>
 
-#include <nuttx/power/pm.h>
-
 #include "arm_internal.h"
 
 #ifdef CONFIG_PM
@@ -54,9 +52,6 @@
 
 void arm_pminitialize(void)
 {
-  /* Then initialize the NuttX power management subsystem proper */
-
-  pm_initialize();
 }
 
 #endif /* CONFIG_PM */

arch/arm/src/stm32/stm32_pminitialize.c

@@ -24,8 +24,6 @@
 
 #include <nuttx/config.h>
 
-#include <nuttx/power/pm.h>
-
 #include "arm_internal.h"
 #include "stm32_pm.h"
 
@@ -55,9 +53,6 @@
 
 void arm_pminitialize(void)
 {
-  /* Then initialize the NuttX power management subsystem proper */
-
-  pm_initialize();
 }
 
 #endif /* CONFIG_PM */

arch/arm/src/stm32f7/stm32_pminitialize.c

@@ -24,8 +24,6 @@
 
 #include <nuttx/config.h>
 
-#include <nuttx/power/pm.h>
-
 #include "arm_internal.h"
 #include "stm32_pm.h"
 
@@ -55,9 +53,6 @@
 
 void arm_pminitialize(void)
 {
-  /* Then initialize the NuttX power management subsystem proper */
-
-  pm_initialize();
 }
 
 #endif /* CONFIG_PM */

arch/arm/src/stm32h7/stm32_pminitialize.c

@@ -24,8 +24,6 @@
 
 #include <nuttx/config.h>
 
-#include <nuttx/power/pm.h>
-
 #include "arm_internal.h"
 #include "stm32_pm.h"
 
@@ -55,9 +53,6 @@
 
 void arm_pminitialize(void)
 {
-  /* Then initialize the NuttX power management subsystem proper */
-
-  pm_initialize();
 }
 
 #endif /* CONFIG_PM */

arch/arm/src/stm32l4/stm32l4_pminitialize.c

@@ -24,8 +24,6 @@
 
 #include <nuttx/config.h>
 
-#include <nuttx/power/pm.h>
-
 #include "arm_internal.h"
 #include "stm32l4_pm.h"
 
@@ -55,9 +53,6 @@
 
 void arm_pminitialize(void)
 {
-  /* Then initialize the NuttX power management subsystem proper */
-
-  pm_initialize();
 }
 
 #endif /* CONFIG_PM */

arch/avr/src/common/up_initialize.c

@@ -22,22 +22,8 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
-#include <nuttx/drivers/drivers.h>
+#include <nuttx/board.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
-
 #include <arch/board/board.h>
 
 #include "up_arch.h"
@@ -129,10 +115,6 @@ static inline void up_color_intstack(void)
 
 void up_initialize(void)
 {
-  /* Initialize global variables */
-
-  g_current_regs = NULL;
-
   /* Colorize the interrupt stack */
 
   up_color_intstack();
@@ -164,90 +146,18 @@ void up_initialize(void)
     }
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   up_serialinit();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #ifndef CONFIG_NETDEV_LATEINIT
   /* Initialize the network */
 
   up_netinitialize();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
   /* Initialize USB */
 
   up_usbinitialize();

arch/avr/src/common/up_internal.h

@@ -140,10 +140,6 @@ void up_earlyserialinit(void);
 void up_serialinit(void);
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#endif
-
 /* Defined in chip/xxx_ethernet.c */
 
 #if defined(CONFIG_NET) && !defined(CONFIG_NETDEV_LATEINIT)

arch/ceva/src/common/up_idle.c

@@ -163,8 +163,5 @@ void weak_function up_cpu_normal(void)
 #ifdef CONFIG_PM
 void up_pminitialize(void)
 {
-  /* Then initialize the power management subsystem proper */
-
-  pm_initialize();
 }
 #endif

arch/ceva/src/common/up_initialize.c

@@ -22,30 +22,10 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
-#include <nuttx/sched_note.h>
-#include <nuttx/mm/iob.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/syslog/ramlog.h>
-#include <nuttx/syslog/syslog.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
-
-#include <arch/board/board.h>
 
 #include "up_arch.h"
 #include "up_internal.h"
-#include "chip.h"
 
 /****************************************************************************
  * Private Functions
@@ -96,10 +76,6 @@ static inline void up_color_intstack(void)
 
 void up_initialize(void)
 {
-  /* Initialize global variables */
-
-  CURRENT_REGS = NULL;
-
   /* Colorize the interrupt stack */
 
   up_color_intstack();
@@ -126,93 +102,18 @@ void up_initialize(void)
   up_dma_initialize();
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_SCHED_INSTRUMENTATION_BUFFER) && \
-    defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   up_serialinit();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined (CONFIG_ARM_LWL_CONSOLE)
-  lwlconsole_init();
-#elif defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #ifndef CONFIG_NETDEV_LATEINIT
   /* Initialize the network */
 
   up_netinitialize();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
 #if defined(CONFIG_USBDEV) || defined(CONFIG_USBHOST)
   /* Initialize USB -- device and/or host */
 

arch/ceva/src/common/up_internal.h

@@ -248,8 +248,6 @@ void up_cpu_normal(void);
 
 /* Interrupt handling *******************************************************/
 
-void up_irqinitialize(void);
-
 /* Interrupt acknowledge and dispatch */
 
 uint32_t *up_doirq(int irq, uint32_t *regs);
@@ -261,10 +259,6 @@ int  up_hardfault(int irq, FAR void *context, FAR void *arg);
 
 void up_svcall_handler(void);
 
-/* System timer *************************************************************/
-
-void up_timer_initialize(void);
-
 /* Low level serial output **************************************************/
 
 #ifdef USE_SERIALDRIVER
@@ -279,20 +273,6 @@ void up_earlyserialinit(void);
 #  define up_earlyserialinit()
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#else
-#  define rpmsg_serialinit()
-#endif
-
-/* Defined in drivers/lowconsole.c */
-
-#ifdef CONFIG_DEV_LOWCONSOLE
-void lowconsole_init(void);
-#else
-#  define lowconsole_init()
-#endif
-
 /* DMA **********************************************************************/
 
 #ifdef CONFIG_ARCH_DMA
@@ -307,10 +287,6 @@ void up_addregion(void);
 # define up_addregion()
 #endif
 
-/* Watchdog timer ***********************************************************/
-
-void up_wdtinit(void);
-
 /* Networking ***************************************************************/
 
 #if defined(CONFIG_NET) && !defined(CONFIG_NETDEV_LATEINIT)

arch/hc/src/common/up_initialize.c

@@ -22,22 +22,9 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
 #include <nuttx/board.h>
-#include <nuttx/drivers/drivers.h>
+#include <arch/board/board.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
 
 #include "up_arch.h"
 #include "up_internal.h"
@@ -65,10 +52,6 @@
 
 void up_initialize(void)
 {
-  /* Initialize global variables */
-
-  g_current_regs = NULL;
-
   /* Add any extra memory fragments to the memory manager */
 
   up_addregion();
@@ -96,93 +79,20 @@ void up_initialize(void)
     }
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   up_serialinit();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #ifndef CONFIG_NETDEV_LATEINIT
   /* Initialize the network */
 
   up_netinitialize();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
   /* Initialize USB */
 
   up_usbinitialize();
-
   board_autoled_on(LED_IRQSENABLED);
 }

arch/hc/src/common/up_internal.h

@@ -157,10 +157,6 @@ void up_earlyserialinit(void);
 void up_serialinit(void);
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#endif
-
 void up_lowputc(char ch);
 void up_lowputs(const char *str);
 
@@ -178,8 +174,6 @@ void up_addregion(void);
 void weak_function up_dma_initialize(void);
 #endif
 
-void up_wdtinit(void);
-
 #if defined(CONFIG_NET) && !defined(CONFIG_NETDEV_LATEINIT)
 void up_netinitialize(void);
 #else

arch/mips/src/common/mips_initialize.c

@@ -22,23 +22,8 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
 #include <nuttx/board.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
-
 #include <arch/board/board.h>
 
 #include "mips_arch.h"
@@ -67,10 +52,6 @@
 
 void up_initialize(void)
 {
-  /* Initialize global variables */
-
-  CURRENT_REGS = NULL;
-
   /* Add any extra memory fragments to the memory manager */
 
   up_addregion();
@@ -98,90 +79,18 @@ void up_initialize(void)
     }
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   up_serialinit();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #ifndef CONFIG_NETDEV_LATEINIT
   /* Initialize the network */
 
   up_netinitialize();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
   /* Initialize USB -- device and/or host */
 
   up_usbinitialize();

arch/mips/src/common/mips_internal.h

@@ -244,10 +244,6 @@ void up_earlyserialinit(void);
 void up_serialinit(void);
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#endif
-
 /* Network */
 
 #if defined(CONFIG_NET) && !defined(CONFIG_NETDEV_LATEINIT)

arch/misoc/src/lm32/lm32.h

@@ -104,12 +104,6 @@ extern uint32_t g_idle_topstack;
 
 void lm32_board_initialize(void);
 
-/* Memory allocation ********************************************************/
-
-#if CONFIG_MM_REGIONS > 1
-void lm32_add_region(void);
-#endif
-
 /* Context switching ********************************************************/
 
 void lm32_copystate(uint32_t *dest, uint32_t *src);
@@ -123,18 +117,6 @@ uint32_t *lm32_doirq(int irq, uint32_t *regs);
 
 int lm32_swint(int irq, FAR void *context, FAR void *arg);
 
-/* Rpmsg serial *************************************************************/
-
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#else
-#  define rpmsg_serialinit()
-#endif
-
-/* System timer *************************************************************/
-
-void lm32_timer_initialize(void);
-
 /* Signal handling **********************************************************/
 
 void lm32_sigdeliver(void);

arch/misoc/src/lm32/lm32_allocateheap.c

@@ -70,19 +70,3 @@ void up_allocate_heap(FAR void **heap_start, size_t *heap_size)
   *heap_start = (FAR void *)g_idle_topstack;
   *heap_size = CONFIG_RAM_END - g_idle_topstack;
 }
-
-/****************************************************************************
- * Name: lm32_add_region
- *
- * Description:
- *   Memory may be added in non-contiguous chunks.  Additional chunks are
- *   added by calling this function.
- *
- ****************************************************************************/
-
-#if CONFIG_MM_REGIONS > 1
-void lm32_add_region(void)
-{
-#warning Missing logic
-}
-#endif

arch/misoc/src/lm32/lm32_initialize.c

@@ -22,26 +22,9 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
-#include <nuttx/sched_note.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/syslog/syslog.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
-
-#include <arch/board/board.h>
 
 #include "misoc.h"
-#include "lm32.h"
 
 /****************************************************************************
  * Public Functions
@@ -53,10 +36,6 @@ void up_initialize(void)
 
   misoc_serial_initialize();
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
 #if 0 /* REVISIT */
   /* Initialize the network cores */
 

arch/misoc/src/minerva/minerva.h

@@ -104,12 +104,6 @@ extern uint32_t g_idle_topstack;
 
 void minerva_board_initialize(void);
 
-/* Memory allocation ********************************************************/
-
-#if CONFIG_MM_REGIONS > 1
-void minerva_add_region(void);
-#endif
-
 /* Context switching ********************************************************/
 
 void minerva_copystate(uint32_t * dest, uint32_t * src);
@@ -123,18 +117,6 @@ uint32_t *minerva_doirq(int irq, uint32_t * regs);
 
 int minerva_swint(int irq, FAR void *context, FAR void *arg);
 
-/* Rpmsg serial *************************************************************/
-
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#else
-#  define rpmsg_serialinit()
-#endif
-
-/* System timer *************************************************************/
-
-void minerva_timer_initialize(void);
-
 /* Signal handling **********************************************************/
 
 void minerva_sigdeliver(void);

arch/misoc/src/minerva/minerva_allocateheap.c

@@ -58,19 +58,3 @@ void up_allocate_heap(FAR void **heap_start, size_t * heap_size)
   *heap_start = (FAR void *)g_idle_topstack;
   *heap_size = CONFIG_RAM_END - g_idle_topstack;
 }
-
-/****************************************************************************
- * Name: minerva_add_region
- *
- * Description:
- *   Memory may be added in non-contiguous chunks.  Additional chunks are
- *   added by calling this function.
- *
- ****************************************************************************/
-
-#if CONFIG_MM_REGIONS > 1
-void minerva_add_region(void)
-{
-#  warning Missing logic
-}
-#endif

arch/misoc/src/minerva/minerva_initialize.c

@@ -22,26 +22,9 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
-#include <nuttx/sched_note.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/syslog/syslog.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
-
-#include <arch/board/board.h>
 
 #include "misoc.h"
-#include "minerva.h"
 
 /****************************************************************************
  * Public Functions
@@ -53,10 +36,6 @@ void up_initialize(void)
 
   misoc_serial_initialize();
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
   /* Initialize the network cores */
 
 #ifdef CONFIG_MISOC_ETHERNET

arch/or1k/src/common/up_initialize.c

@@ -22,28 +22,12 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
 #include <nuttx/board.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
 
 #include <arch/board/board.h>
-
 #include <arch/spr.h>
 
-#include "up_arch.h"
 #include "up_internal.h"
 
 /****************************************************************************
@@ -157,10 +141,6 @@ static inline void up_color_intstack(void)
 
 void up_initialize(void)
 {
-  /* Initialize global variables */
-
-  CURRENT_REGS = NULL;
-
   /* Colorize the interrupt stack */
 
   up_color_intstack();
@@ -192,92 +172,20 @@ void up_initialize(void)
     }
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
   up_serialinit();
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
   /* Print OpenRISC CPU information */
 
   or1k_print_cpuinfo();
 
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #ifndef CONFIG_NETDEV_LATEINIT
   /* Initialize the network */
 
   up_netinitialize();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
   /* Initialize USB -- device and/or host */
 
   up_usbinitialize();

arch/or1k/src/common/up_internal.h

@@ -279,10 +279,6 @@ void up_serialinit(void);
 void up_earlyserialinit(void);
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#endif
-
 /* DMA **********************************************************************/
 
 #ifdef CONFIG_ARCH_DMA
@@ -305,10 +301,6 @@ void up_addregion(void);
 # define up_addregion()
 #endif
 
-/* Watchdog timer ***********************************************************/
-
-void up_wdtinit(void);
-
 /* Networking ***************************************************************/
 
 /* Defined in board/xyz_network.c for board-specific Ethernet

arch/renesas/src/common/up_initialize.c

@@ -22,22 +22,9 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
 #include <nuttx/board.h>
-#include <nuttx/drivers/drivers.h>
+#include <arch/board/board.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
 
 #include "up_arch.h"
 #include "up_internal.h"
@@ -65,10 +52,6 @@
 
 void up_initialize(void)
 {
-  /* Initialize global variables */
-
-  g_current_regs = NULL;
-
 #ifdef CONFIG_PM
   /* Initialize the power management subsystem.  This MCU-specific function
    * must be called *very* early in the initialization sequence *before* any
@@ -79,97 +62,20 @@ void up_initialize(void)
   up_pminitialize();
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   up_serialinit();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver). NOTE that the naming implies that the console is a
-   * serial driver.  That is usually the case, however, if no UARTs are
-   * enabled, the console could also be provided through some other device,
-   * such as an LCD.
-   * Architecture-specific logic will have to detect that case.
-   */
-
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #ifndef CONFIG_NETDEV_LATEINIT
   /* Initialize the network */
 
   up_netinitialize();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
   /* Initialize USB */
 
   up_usbinitialize();
-
   board_autoled_on(LED_IRQSENABLED);
 }

arch/renesas/src/common/up_internal.h

@@ -164,14 +164,6 @@ void up_consoleinit(void);
 void up_serialinit(void);
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#endif
-
-/* Defined in xyz_watchdog.c */
-
-void up_wdtinit(void);
-
 /* Defined in board/xyz_lcd.c */
 
 #ifdef CONFIG_SLCD_CONSOLE

arch/risc-v/src/common/riscv_initialize.c

@@ -22,21 +22,10 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
 #include <nuttx/board.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/net/telnet.h>
-
 #include <arch/board/board.h>
 
-#include "sched/sched.h"
 #include "riscv_arch.h"
 #include "riscv_internal.h"
 
@@ -111,63 +100,11 @@ void up_initialize(void)
   riscv_pminitialize();
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   riscv_serialinit();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
   board_autoled_on(LED_IRQSENABLED);
 }

arch/risc-v/src/common/riscv_internal.h

@@ -225,10 +225,6 @@ void riscv_serialinit(void);
 void riscv_earlyserialinit(void);
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#endif
-
 /* Exception Handler ********************************************************/
 
 void riscv_fault(int irq, uintptr_t *regs);

arch/risc-v/src/esp32c3/esp32c3_irq.h

@@ -41,12 +41,6 @@
 
 #define ESP32C3_INT_PRIO_DEF        1
 
-/****************************************************************************
- * Name: up_irqinitialize
- ****************************************************************************/
-
-void up_irqinitialize(void);
-
 /****************************************************************************
  * Name: esp32c3_bind_irq
  *

arch/risc-v/src/esp32c3/esp32c3_pminitialize.c

@@ -23,7 +23,6 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
-#include <nuttx/power/pm.h>
 
 #include "esp32c3_pm.h"
 
@@ -43,9 +42,6 @@
 
 void riscv_pminitialize(void)
 {
-  /* Then initialize the NuttX power management subsystem proper */
-
-  pm_initialize();
 }
 
 #endif /* CONFIG_PM */

arch/risc-v/src/rv32m1/rv32m1_serial.c

@@ -36,7 +36,6 @@
 #include <nuttx/irq.h>
 #include <nuttx/arch.h>
 #include <nuttx/serial/serial.h>
-#include <nuttx/power/pm.h>
 
 #ifdef CONFIG_SERIAL_TERMIOS
 #  include <termios.h>

arch/sim/src/sim/up_initialize.c

@@ -22,30 +22,13 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <assert.h>
-#include <debug.h>
-
 #include <nuttx/arch.h>
 #include <nuttx/audio/audio.h>
-#include <nuttx/clock.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/fs/ioctl.h>
 #include <nuttx/kthread.h>
 #include <nuttx/motor/foc/foc_dummy.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
 #include <nuttx/mtd/mtd.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
 #include <nuttx/spi/spi_flash.h>
 #include <nuttx/spi/qspi_flash.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
 
 #include "up_internal.h"
 
@@ -206,19 +189,6 @@ static int up_loop_task(int argc, FAR char **argv)
   return 0;
 }
 
-static void up_loop_init(void)
-{
-  int ret;
-
-  /* Use loop_task to simulate the IRQ */
-
-  ret = kthread_create("loop_task", 1,
-                       CONFIG_DEFAULT_TASK_STACKSIZE,
-                       up_loop_task, NULL);
-
-  DEBUGASSERT(ret > 0);
-}
-
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -245,70 +215,10 @@ static void up_loop_init(void)
 
 void up_initialize(void)
 {
-#ifdef CONFIG_PM
-  /* Initialize the power management subsystem.  This MCU-specific function
-   * must be called *very* early in the initialization sequence *before* any
-   * other device drivers are initialized (since they may attempt to register
-   * with the power management subsystem).
-   */
-
-  pm_initialize();
-#endif
-
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();       /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();       /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();          /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();          /* Non-standard /dev/note */
-#endif
-
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
   /* Register some tty-port to access tty-port on sim platform */
 
   up_uartinit();
 
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #if defined(CONFIG_FS_FAT) && !defined(CONFIG_DISABLE_MOUNTPOINT)
   up_registerblockdevice(); /* Our FAT ramdisk at /dev/ram0 */
 #endif
@@ -323,24 +233,6 @@ void up_initialize(void)
   usrsock_init();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
 #if defined(CONFIG_FS_SMARTFS) && defined(CONFIG_MTD_SMART) && \
     (defined(CONFIG_SPI_FLASH) || defined(CONFIG_QSPI_FLASH))
   up_init_smartfs();
@@ -351,5 +243,7 @@ void up_initialize(void)
   audio_register("pcm0c", sim_audio_initialize(false));
 #endif
 
-  up_loop_init();
+  kthread_create("loop_task", SCHED_PRIORITY_MIN,
+                 CONFIG_DEFAULT_TASK_STACKSIZE,
+                 up_loop_task, NULL);
 }

arch/sim/src/sim/up_internal.h

@@ -189,12 +189,6 @@ int up_init_ipi(int irq);
 void up_timer_update(void);
 #endif
 
-/* rpmsg_serialinit *********************************************************/
-
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#endif
-
 /* up_uart.c ****************************************************************/
 
 void up_uartinit(void);

arch/sparc/src/common/up_initialize.c

@@ -22,23 +22,8 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
-#include <nuttx/sched_note.h>
+#include <nuttx/board.h>
-#include <nuttx/mm/iob.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/syslog/syslog.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-
 #include <arch/board/board.h>
 
 #include "up_arch.h"
@@ -140,10 +125,6 @@ static inline void up_color_intstack(void)
 
 void up_initialize(void)
 {
-  /* Initialize global variables */
-
-  g_current_regs = NULL;
-
   /* Colorize the interrupt stack */
 
   up_color_intstack();
@@ -152,10 +133,6 @@ void up_initialize(void)
 
   up_addregion();
 
-  /* Initialize the interrupt subsystem */
-
-  up_irqinitialize();
-
 #ifdef CONFIG_ARCH_DMA
   /* Initialize the DMA subsystem if the weak function up_dma_initialize has
    * been brought into the build
@@ -169,109 +146,12 @@ void up_initialize(void)
     }
 #endif
 
-#ifdef CONFIG_MM_IOB
-  /* Initialize IO buffering */
-
-  iob_initialize();
-#endif
-
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_SCHED_INSTRUMENTATION_BUFFER) && \
-    defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   up_serialinit();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined(CONFIG_DEV_LOWCONSOLE)
-  lowconsole_init();
-#elif defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#elif defined(CONFIG_RAMLOG_CONSOLE)
-  ramlog_consoleinit();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  (void)ptmx_register();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
-#ifndef CONFIG_NETDEV_LATEINIT
-  /* Initialize the network */
-
-  up_netinitialize();
-#endif
-
-#ifdef CONFIG_NETDEV_LOOPBACK
-  /* Initialize the local loopback device */
-
-  (void)localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  (void)tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  (void)telnet_initialize();
-#endif
-
   /* Initialize USB */
 
   up_usbinitialize();

arch/sparc/src/common/up_internal.h

@@ -183,14 +183,6 @@ void up_copystate(uint32_t *dest, uint32_t *src);
 
 void up_lowputs(const char *str);
 
-/* Defined in drivers/lowconsole.c */
-
-#ifdef CONFIG_DEV_LOWCONSOLE
-void lowconsole_init(void);
-#else
-# define lowconsole_init()
-#endif
-
 /* Debug */
 
 #ifdef CONFIG_ARCH_STACKDUMP
@@ -217,7 +209,6 @@ void up_sigdeliver(void);
 
 /* IRQs */
 
-void up_irqinitialize(void);
 bool up_pending_irq(int irq);
 void up_clrpend_irq(int irq);
 
@@ -241,8 +232,6 @@ void up_lowputc(char ch);
 void up_earlyserialinit(void);
 void up_serialinit(void);
 
-void rpmsg_serialinit(void);
-
 /* Network */
 
 #if defined(CONFIG_NET) && !defined(CONFIG_NETDEV_LATEINIT)

arch/x86/src/common/up_initialize.c

@@ -22,23 +22,8 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
 #include <nuttx/board.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
-
 #include <arch/board/board.h>
 
 #include "up_arch.h"
@@ -67,10 +52,6 @@
 
 void up_initialize(void)
 {
-  /* Initialize global variables */
-
-  g_current_regs = NULL;
-
   /* Add any extra memory fragments to the memory manager */
 
   up_addregion();
@@ -98,90 +79,18 @@ void up_initialize(void)
     }
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   up_serialinit();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #ifndef CONFIG_NETDEV_LATEINIT
   /* Initialize the network */
 
   up_netinitialize();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
   /* Initialize USB -- device and/or host */
 
   up_usbinitialize();

arch/x86/src/common/up_internal.h

@@ -201,14 +201,6 @@ void up_earlyserialinit(void);
 void up_serialinit(void);
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#endif
-
-/* Defined in xyz_watchdog.c */
-
-void up_wdtinit(void);
-
 /* Defined in board/up_network.c */
 
 #if defined(CONFIG_NET) && !defined(CONFIG_NETDEV_LATEINIT)

arch/x86_64/src/common/up_initialize.c

@@ -22,28 +22,10 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
 #include <nuttx/board.h>
-#include <nuttx/mm/iob.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/syslog/syslog.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
-
 #include <arch/board/board.h>
 
-#include "sched/sched.h"
 #include "up_arch.h"
 #include "up_internal.h"
 
@@ -101,10 +83,6 @@ static void up_calibratedelay(void)
 
 void up_initialize(void)
 {
-  /* Initialize global variables */
-
-  g_current_regs = NULL;
-
   /* Add any extra memory fragments to the memory manager */
 
   up_addregion();
@@ -132,90 +110,18 @@ void up_initialize(void)
     }
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   up_serialinit();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #ifndef CONFIG_NETDEV_LATEINIT
   /* Initialize the network */
 
   up_netinitialize();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
   /* Initialize USB -- device and/or host */
 
   up_usbinitialize();

arch/x86_64/src/common/up_internal.h

@@ -189,7 +189,6 @@ void x86_64_boardinitialize(void);
 void up_copystate(uint64_t *dest, uint64_t *src);
 void up_savestate(uint64_t *regs);
 void up_decodeirq(uint64_t *regs);
-void up_irqinitialize(void);
 #ifdef CONFIG_ARCH_DMA
 void weak_function up_dmainitialize(void);
 #endif
@@ -218,10 +217,6 @@ void up_addregion(void);
 void up_earlyserialinit(void);
 void up_serialinit(void);
 
-/* Defined in xyz_watchdog.c */
-
-void up_wdtinit(void);
-
 /* Defined in xyz_timerisr.c */
 
 void x86_64_timer_calibrate_freq(void);

arch/xtensa/src/common/xtensa.h

@@ -320,8 +320,6 @@ void up_lowputc(char ch);
 void xtensa_earlyserialinit(void);
 void xtensa_serialinit(void);
 
-void rpmsg_serialinit(void);
-
 /* Network */
 
 #if defined(CONFIG_NET) && !defined(CONFIG_NETDEV_LATEINIT)

arch/xtensa/src/common/xtensa_initialize.c

@@ -22,23 +22,8 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
 #include <nuttx/board.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
-
 #include <arch/board/board.h>
 
 #include "xtensa.h"
@@ -99,17 +84,8 @@ static inline void xtensa_color_intstack(void)
 
 void up_initialize(void)
 {
-  int i;
-
   xtensa_color_intstack();
 
-  /* Initialize global variables */
-
-  for (i = 0; i < CONFIG_SMP_NCPUS; i++)
-    {
-      g_current_regs[i] = NULL;
-    }
-
   /* Add any extra memory fragments to the memory manager */
 
   xtensa_add_region();
@@ -143,90 +119,18 @@ void up_initialize(void)
     }
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   xtensa_serialinit();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #ifndef CONFIG_NETDEV_LATEINIT
   /* Initialize the network */
 
   up_netinitialize();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
   /* Initialize USB -- device and/or host */
 
   up_usbinitialize();

arch/xtensa/src/esp32/esp32_pminitialize.c

@@ -23,8 +23,8 @@
  ****************************************************************************/
 
 #include <nuttx/config.h>
-#include <nuttx/power/pm.h>
 
+#include "xtensa.h"
 #include "esp32_pm.h"
 
 #ifdef CONFIG_PM
@@ -46,10 +46,6 @@ void xtensa_pminitialize(void)
   /* Initialize RTC parameters */
 
   esp32_pminit();
-
-  /* Then initialize the NuttX power management subsystem proper */
-
-  pm_initialize();
 }
 
 #endif /* CONFIG_PM */

arch/z16/src/common/z16_initialize.c

@@ -22,23 +22,8 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
 #include <nuttx/board.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
-
 #include <arch/board/board.h>
 
 #include "z16_arch.h"
@@ -78,10 +63,6 @@ volatile FAR chipreg_t *g_current_regs;
 
 void up_initialize(void)
 {
-  /* Initialize global variables */
-
-  g_current_regs = NULL;
-
 #if CONFIG_MM_REGIONS > 1
   /* Add any extra memory fragments to the memory manager */
 
@@ -98,89 +79,17 @@ void up_initialize(void)
   up_pminitialize();
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   z16_serialinit();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #ifndef CONFIG_NETDEV_LATEINIT
   /* Initialize the network */
 
   z16_netinitialize();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
   board_autoled_on(LED_IRQSENABLED);
 }

arch/z16/src/common/z16_internal.h

@@ -148,10 +148,6 @@ void z16_serialinit(void);
 void z16_earlyserialinit(void);
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#endif
-
 /* Defined in xyz_irq.c */
 
 void z16_ack_irq(int irq);

arch/z80/src/common/z80_initialize.c

@@ -22,24 +22,8 @@
  * Included Files
  ****************************************************************************/
 
-#include <nuttx/config.h>
-
-#include <debug.h>
-
 #include <nuttx/arch.h>
 #include <nuttx/board.h>
-#include <nuttx/mm/mm.h>
-#include <nuttx/drivers/drivers.h>
-#include <nuttx/fs/loop.h>
-#include <nuttx/net/loopback.h>
-#include <nuttx/net/telnet.h>
-#include <nuttx/net/tun.h>
-#include <nuttx/note/note_driver.h>
-#include <nuttx/syslog/syslog_console.h>
-#include <nuttx/serial/pty.h>
-#include <nuttx/crypto/crypto.h>
-#include <nuttx/power/pm.h>
-
 #include <arch/board/board.h>
 
 #include "chip/switch.h"
@@ -97,89 +81,17 @@ void up_initialize(void)
   z80_mmu_initialize();
 #endif
 
-  /* Register devices */
-
-#if defined(CONFIG_DEV_NULL)
-  devnull_register();   /* Standard /dev/null */
-#endif
-
-#if defined(CONFIG_DEV_RANDOM)
-  devrandom_register(); /* Standard /dev/random */
-#endif
-
-#if defined(CONFIG_DEV_URANDOM)
-  devurandom_register();   /* Standard /dev/urandom */
-#endif
-
-#if defined(CONFIG_DEV_ZERO)
-  devzero_register();   /* Standard /dev/zero */
-#endif
-
-#if defined(CONFIG_DEV_LOOP)
-  loop_register();      /* Standard /dev/loop */
-#endif
-
-#if defined(CONFIG_DRIVER_NOTE)
-  note_register();      /* Non-standard /dev/note */
-#endif
-
   /* Initialize the serial device driver */
 
 #ifdef USE_SERIALDRIVER
   z80_serial_initialize();
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-  rpmsg_serialinit();
-#endif
-
-  /* Initialize the console device driver (if it is other than the standard
-   * serial driver).
-   */
-
-#if defined(CONFIG_CONSOLE_SYSLOG)
-  syslog_console_init();
-#endif
-
-#ifdef CONFIG_PSEUDOTERM_SUSV1
-  /* Register the master pseudo-terminal multiplexor device */
-
-  ptmx_register();
-#endif
-
-#if defined(CONFIG_CRYPTO)
-  /* Initialize the HW crypto and /dev/crypto */
-
-  up_cryptoinitialize();
-#endif
-
-#ifdef CONFIG_CRYPTO_CRYPTODEV
-  devcrypto_register();
-#endif
-
 #ifndef CONFIG_NETDEV_LATEINIT
   /* Initialize the network */
 
   up_netinitialize();
 #endif
 
-#ifdef CONFIG_NET_LOOPBACK
-  /* Initialize the local loopback device */
-
-  localhost_initialize();
-#endif
-
-#ifdef CONFIG_NET_TUN
-  /* Initialize the TUN device */
-
-  tun_initialize();
-#endif
-
-#ifdef CONFIG_NETDEV_TELNET
-  /* Initialize the Telnet session factory */
-
-  telnet_initialize();
-#endif
-
   board_autoled_on(LED_IRQSENABLED);
 }

arch/z80/src/common/z80_internal.h

@@ -105,12 +105,6 @@ void z80_serial_initialize(void);
 #  define z80_serial_initialize()
 #endif
 
-#ifdef CONFIG_RPMSG_UART
-void rpmsg_serialinit(void);
-#else
-#  define rpmsg_serialinit()
-#endif
-
 /* Architecture specific hook into the timer interrupt handler */
 
 #ifdef CONFIG_ARCH_TIMERHOOK

boards/arm/lpc17xx_40xx/lpc4088-devkit/src/lpc17_40_userleds.c

@@ -28,8 +28,8 @@
 #include <stdbool.h>
 #include <debug.h>
 
+#include <nuttx/board.h>
 #include <arch/board/board.h>
-#include <nuttx/power/pm.h>
 
 #include "chip.h"
 #include "arm_arch.h"

boards/arm/lpc17xx_40xx/lpc4088-quickstart/src/lpc17_40_userleds.c

@@ -28,8 +28,8 @@
 #include <stdbool.h>
 #include <debug.h>
 
+#include <nuttx/board.h>
 #include <arch/board/board.h>
-#include <nuttx/power/pm.h>
 
 #include "chip.h"
 #include "arm_arch.h"

boards/arm/lpc17xx_40xx/lx_cpu/src/lpc17_40_userleds.c

@@ -28,8 +28,8 @@
 #include <stdbool.h>
 #include <debug.h>
 
+#include <nuttx/board.h>
 #include <arch/board/board.h>
-#include <nuttx/power/pm.h>
 
 #include "chip.h"
 #include "arm_arch.h"

boards/arm/lpc17xx_40xx/mbed/src/lpc17_40_userleds.c

@@ -29,7 +29,6 @@
 #include <debug.h>
 
 #include <nuttx/board.h>
-#include <nuttx/power/pm.h>
 #include <arch/board/board.h>
 
 #include "chip.h"

boards/arm/lpc17xx_40xx/open1788/src/lpc17_40_userleds.c

@@ -28,8 +28,8 @@
 #include <stdbool.h>
 #include <debug.h>
 
+#include <nuttx/board.h>
 #include <arch/board/board.h>
-#include <nuttx/power/pm.h>
 
 #include "chip.h"
 #include "arm_arch.h"

boards/arm/stm32/axoloti/src/stm32_userleds.c

@@ -29,7 +29,6 @@
 #include <debug.h>
 
 #include <nuttx/board.h>
-#include <nuttx/power/pm.h>
 #include <arch/board/board.h>
 
 #include "chip.h"

boards/arm/stm32/mikroe-stm32f4/src/stm32_pm.c

@@ -24,8 +24,6 @@
 
 #include <nuttx/config.h>
 
-#include <nuttx/power/pm.h>
-
 #include "arm_internal.h"
 #include "stm32_pm.h"
 #include "mikroe-stm32f4.h"
@@ -56,10 +54,6 @@
 
 void arm_pminitialize(void)
 {
-  /* Then initialize the NuttX power management subsystem proper */
-
-  pm_initialize();
-
 #if defined(CONFIG_ARCH_IDLE_CUSTOM) && defined(CONFIG_PM_BUTTONS)
   /* Initialize the buttons to wake up the system from low power modes */
 

boards/arm/stm32/olimex-stm32-e407/src/stm32_userleds.c

@@ -27,8 +27,9 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <debug.h>
+
+#include <nuttx/board.h>
 #include <arch/board/board.h>
-#include <nuttx/power/pm.h>
 
 #include "chip.h"
 #include "arm_arch.h"

boards/arm/stm32/olimex-stm32-h407/src/stm32_userleds.c

@@ -27,8 +27,9 @@
 #include <stdint.h>
 #include <stdbool.h>
 #include <debug.h>
+
+#include <nuttx/board.h>
 #include <arch/board/board.h>
-#include <nuttx/power/pm.h>
 
 #include "chip.h"
 #include "arm_arch.h"

boards/arm/stm32/omnibusf4/src/stm32_pm.c

@@ -24,9 +24,6 @@
 
 #include <nuttx/config.h>
 
-#include <nuttx/board.h>
-#include <nuttx/power/pm.h>
-
 #include "arm_internal.h"
 #include "stm32_pm.h"
 #include "omnibusf4.h"
@@ -57,10 +54,6 @@
 
 void arm_pminitialize(void)
 {
-  /* Then initialize the NuttX power management subsystem proper */
-
-  pm_initialize();
-
 #if defined(CONFIG_ARCH_IDLE_CUSTOM) && defined(CONFIG_PM_BUTTONS)
   /* Initialize the buttons to wake up the system from low power modes */
 

boards/arm/stm32/stm3210e-eval/src/stm32_pm.c

@@ -24,8 +24,6 @@
 
 #include <nuttx/config.h>
 
-#include <nuttx/power/pm.h>
-
 #include "arm_internal.h"
 #include "stm32_pm.h"
 #include "stm3210e-eval.h"
@@ -56,10 +54,6 @@
 
 void arm_pminitialize(void)
 {
-  /* Then initialize the NuttX power management subsystem proper */
-
-  pm_initialize();
-
 #if defined(CONFIG_ARCH_IDLE_CUSTOM) && defined(CONFIG_PM_BUTTONS)
   /* Initialize the buttons to wake up the system from low power modes */
 

boards/arm/stm32/stm32f4discovery/src/stm32_pm.c

@@ -24,9 +24,6 @@
 
 #include <nuttx/config.h>
 
-#include <nuttx/board.h>
-#include <nuttx/power/pm.h>
-
 #include "arm_internal.h"
 #include "stm32_pm.h"
 #include "stm32f4discovery.h"
@@ -57,10 +54,6 @@
 
 void arm_pminitialize(void)
 {
-  /* Then initialize the NuttX power management subsystem proper */
-
-  pm_initialize();
-
 #if defined(CONFIG_ARCH_IDLE_CUSTOM) && defined(CONFIG_PM_BUTTONS)
   /* Initialize the buttons to wake up the system from low power modes */
 

boards/arm/stm32/stm32vldiscovery/src/stm32_leds.c

@@ -29,7 +29,6 @@
 #include <debug.h>
 
 #include <nuttx/board.h>
-#include <nuttx/power/pm.h>
 #include <arch/board/board.h>
 
 #include "chip.h"

drivers/Makefile

@@ -20,6 +20,8 @@
 
 include $(TOPDIR)/Make.defs
 
+CSRCS = drivers_initialize.c
+
 # Include support for various drivers.  Each Make.defs file will add its
 # files to the source file list, add its DEPPATH info, and will add
 # the appropriate paths to the VPATH variable

drivers/drivers_initialize.c

@@ -0,0 +1,139 @@
+/****************************************************************************
+ * drivers/drivers_initialize.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/crypto/crypto.h>
+#include <nuttx/drivers/drivers.h>
+#include <nuttx/fs/loop.h>
+#include <nuttx/net/loopback.h>
+#include <nuttx/net/tun.h>
+#include <nuttx/net/telnet.h>
+#include <nuttx/note/note_driver.h>
+#include <nuttx/power/pm.h>
+#include <nuttx/syslog/syslog.h>
+#include <nuttx/syslog/syslog_console.h>
+#include <nuttx/serial/pty.h>
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: drivers_initialize
+ *
+ * Description:
+ *   drivers_initialize will be called once during OS initialization after
+ *   the basic OS services have been initialized.
+ *
+ *   drivers_initialize is called after the OS initialized but before the
+ *   user initialization logic has been started and before the libraries
+ *   have been initialized.  OS services and driver services are available.
+ *
+ ****************************************************************************/
+
+void drivers_initialize(void)
+{
+#ifdef CONFIG_PM
+  /* Initialize power management subsystem proper */
+
+  pm_initialize();
+#endif
+
+  /* Register devices */
+
+  syslog_initialize();
+
+#if defined(CONFIG_DEV_NULL)
+  devnull_register();   /* Standard /dev/null */
+#endif
+
+#if defined(CONFIG_DEV_RANDOM)
+  devrandom_register(); /* Standard /dev/random */
+#endif
+
+#if defined(CONFIG_DEV_URANDOM)
+  devurandom_register();   /* Standard /dev/urandom */
+#endif
+
+#if defined(CONFIG_DEV_ZERO)
+  devzero_register();   /* Standard /dev/zero */
+#endif
+
+#if defined(CONFIG_DEV_LOOP)
+  loop_register();      /* Standard /dev/loop */
+#endif
+
+#if defined(CONFIG_DRIVER_NOTE)
+  note_register();      /* Non-standard /dev/note */
+#endif
+
+  /* Initialize the serial device driver */
+
+#ifdef CONFIG_RPMSG_UART
+  rpmsg_serialinit();
+#endif
+
+  /* Initialize the console device driver (if it is other than the standard
+   * serial driver).
+   */
+
+#if defined(CONFIG_LWL_CONSOLE)
+  lwlconsole_init();
+#elif defined(CONFIG_CONSOLE_SYSLOG)
+  syslog_console_init();
+#endif
+
+#ifdef CONFIG_PSEUDOTERM_SUSV1
+  /* Register the master pseudo-terminal multiplexor device */
+
+  ptmx_register();
+#endif
+
+#if defined(CONFIG_CRYPTO)
+  /* Initialize the HW crypto and /dev/crypto */
+
+  up_cryptoinitialize();
+#endif
+
+#ifdef CONFIG_CRYPTO_CRYPTODEV
+  devcrypto_register();
+#endif
+
+#ifdef CONFIG_NET_LOOPBACK
+  /* Initialize the local loopback device */
+
+  localhost_initialize();
+#endif
+
+#ifdef CONFIG_NET_TUN
+  /* Initialize the TUN device */
+
+  tun_initialize();
+#endif
+
+#ifdef CONFIG_NETDEV_TELNET
+  /* Initialize the Telnet session factory */
+
+  telnet_initialize();
+#endif
+}

drivers/efuse/efuse.c

@@ -36,7 +36,6 @@
 #include <nuttx/fs/fs.h>
 #include <nuttx/irq.h>
 #include <nuttx/kmalloc.h>
-#include <nuttx/power/pm.h>
 #include <nuttx/semaphore.h>
 #include <nuttx/efuse/efuse.h>
 

include/nuttx/drivers/drivers.h

@@ -43,6 +43,16 @@ extern "C"
 #define EXTERN extern
 #endif
 
+/****************************************************************************
+ * Name: drivers_initialize
+ *
+ * Description:
+ *   Initialize chip and board independent general driver
+ *
+ ****************************************************************************/
+
+void drivers_initialize(void);
+
 /****************************************************************************
  * Name: devnull_register
  *
@@ -217,6 +227,16 @@ ssize_t bchlib_write(FAR void *handle, FAR const char *buffer, size_t offset,
 
 void lwlconsole_init(void);
 
+/****************************************************************************
+ * Name: rpmsg_serialinit
+ *
+ * Description:
+ *   Register rpmsg serial driver
+ *
+ ****************************************************************************/
+
+void rpmsg_serialinit(void);
+
 #undef EXTERN
 #if defined(__cplusplus)
 }

sched/init/nx_start.c

@@ -39,8 +39,8 @@
 #include <nuttx/mm/mm.h>
 #include <nuttx/kmalloc.h>
 #include <nuttx/sched_note.h>
-#include <nuttx/syslog/syslog.h>
 #include <nuttx/binfmt/binfmt.h>
+#include <nuttx/drivers/drivers.h>
 #include <nuttx/init.h>
 #include <nuttx/tls.h>
 
@@ -648,6 +648,10 @@ void nx_start(void)
   binfmt_initialize();
 #endif
 
+  /* Initialize common drivers */
+
+  drivers_initialize();
+
   /* Initialize Hardware Facilities *****************************************/
 
   /* The processor specific details of running the operating system
@@ -698,15 +702,6 @@ void nx_start(void)
         }
     }
 
-  /* Start SYSLOG ***********************************************************/
-
-  /* Late initialization of the system logging device.  Some SYSLOG channel
-   * must be initialized late in the initialization sequence because it may
-   * depend on having IDLE task file structures setup.
-   */
-
-  syslog_initialize();
-
 #ifdef CONFIG_SMP
   /* Start all CPUs *********************************************************/