bsps: Move I2C drivers to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

3 files changed, 2 insertions, 417 deletions

diff --git a/c/src/lib/libbsp/arm/lpc24xx/Makefile.am b/c/src/lib/libbsp/arm/lpc24xx/Makefile.am
index 1e23b284cb..c1f33ae67f 100644
--- a/c/src/lib/libbsp/arm/lpc24xx/Makefile.am
+++ b/c/src/lib/libbsp/arm/lpc24xx/Makefile.am
@@ -100,8 +100,8 @@ librtemsbsp_a_SOURCES += misc/timer.c
 librtemsbsp_a_SOURCES += ssp/ssp.c
 
 # I2C
-librtemsbsp_a_SOURCES += i2c/i2c.c
-librtemsbsp_a_SOURCES += i2c/i2c-config.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc24xx/i2c/i2c.c
+librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc24xx/i2c/i2c-config.c
 
 # Framebuffer
 librtemsbsp_a_SOURCES += ../shared/arm-pl111-fb.c
diff --git a/c/src/lib/libbsp/arm/lpc24xx/i2c/i2c-config.c b/c/src/lib/libbsp/arm/lpc24xx/i2c/i2c-config.c
deleted file mode 100644
index 5ba16ae874..0000000000
--- a/c/src/lib/libbsp/arm/lpc24xx/i2c/i2c-config.c
+++ /dev/null
@@ -1,91 +0,0 @@
-/**
- * @file
- *
- * @ingroup lpc24xx_libi2c
- *
- * @brief LibI2C bus driver for the I2C modules.
- */
-
-/*
- * Copyright (c) 2009-2011 embedded brains GmbH.  All rights reserved.
- *
- *  embedded brains GmbH
- *  Obere Lagerstr. 30
- *  82178 Puchheim
- *  Germany
- *  <rtems@embedded-brains.de>
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#include <bspopts.h>
-#include <bsp/i2c.h>
-#include <bsp/irq.h>
-
-#ifdef LPC24XX_CONFIG_I2C_0
-  static const lpc24xx_pin_range lpc24xx_i2c_pins_0 [] = {
-    LPC24XX_PIN_I2C_0_SDA,
-    LPC24XX_PIN_I2C_0_SCL,
-    LPC24XX_PIN_TERMINAL
-  };
-
-  static lpc24xx_i2c_bus_entry lpc24xx_i2c_entry_0 = {
-    .bus = {
-      .ops = &lpc24xx_i2c_ops,
-      .size = sizeof(lpc24xx_i2c_bus_entry)
-    },
-    .regs = (volatile lpc24xx_i2c *) I2C0_BASE_ADDR,
-    .index = 0,
-    .pins = &lpc24xx_i2c_pins_0 [0],
-    .vector = LPC24XX_IRQ_I2C_0
-  };
-
-  rtems_libi2c_bus_t * const lpc24xx_i2c_0 =
-    &lpc24xx_i2c_entry_0.bus;
-#endif
-
-#ifdef LPC24XX_CONFIG_I2C_1
-  static const lpc24xx_pin_range lpc24xx_i2c_pins_1 [] = {
-    LPC24XX_PIN_I2C_1_SDA_P0_19,
-    LPC24XX_PIN_I2C_1_SCL_P0_20,
-    LPC24XX_PIN_TERMINAL
-  };
-
-  static lpc24xx_i2c_bus_entry lpc24xx_i2c_entry_1 = {
-    .bus = {
-      .ops = &lpc24xx_i2c_ops,
-      .size = sizeof(lpc24xx_i2c_bus_entry)
-    },
-    .regs = (volatile lpc24xx_i2c *) I2C1_BASE_ADDR,
-    .index = 1,
-    .pins = &lpc24xx_i2c_pins_1 [0],
-    .vector = LPC24XX_IRQ_I2C_1
-  };
-
-  rtems_libi2c_bus_t * const lpc24xx_i2c_1 =
-    &lpc24xx_i2c_entry_1.bus;
-#endif
-
-#ifdef LPC24XX_CONFIG_I2C_2
-  static const lpc24xx_pin_range lpc24xx_i2c_pins_2 [] = {
-    LPC24XX_PIN_I2C_2_SDA_P0_10,
-    LPC24XX_PIN_I2C_2_SCL_P0_11,
-    LPC24XX_PIN_TERMINAL
-  };
-
-  static lpc24xx_i2c_bus_entry lpc24xx_i2c_entry_2 = {
-    .bus = {
-      .ops = &lpc24xx_i2c_ops,
-      .size = sizeof(lpc24xx_i2c_bus_entry)
-    },
-    .regs = (volatile lpc24xx_i2c *) I2C2_BASE_ADDR,
-    .index = 2,
-    .pins = &lpc24xx_i2c_pins_2 [0],
-    .vector = LPC24XX_IRQ_I2C_2
-  };
-
-  rtems_libi2c_bus_t * const lpc24xx_i2c_2 =
-    &lpc24xx_i2c_entry_2.bus;
-#endif
diff --git a/c/src/lib/libbsp/arm/lpc24xx/i2c/i2c.c b/c/src/lib/libbsp/arm/lpc24xx/i2c/i2c.c
deleted file mode 100644
index ef638e69b9..0000000000
--- a/c/src/lib/libbsp/arm/lpc24xx/i2c/i2c.c
+++ /dev/null
@@ -1,324 +0,0 @@
-/**
- * @file
- *
- * @ingroup lpc24xx_libi2c
- *
- * @brief LibI2C bus driver for the I2C modules.
- */
-
-/*
- * Copyright (c) 2009-2011 embedded brains GmbH.  All rights reserved.
- *
- *  embedded brains GmbH
- *  Obere Lagerstr. 30
- *  82178 Puchheim
- *  Germany
- *  <rtems@embedded-brains.de>
- *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://www.rtems.org/license/LICENSE.
- */
-
-#include <bsp.h>
-#include <bsp/i2c.h>
-#include <bsp/irq.h>
-#include <bsp/irq-generic.h>
-#include <bsp/system-clocks.h>
-
-#define RTEMS_STATUS_CHECKS_USE_PRINTK
-
-#include <rtems/status-checks.h>
-
-static void lpc24xx_i2c_handler(void *arg)
-{
-  lpc24xx_i2c_bus_entry *e = arg;
-  volatile lpc24xx_i2c *regs = e->regs;
-  unsigned state = regs->stat;
-  uint8_t *data = e->data;
-  uint8_t *end = e->end;
-  bool notify = true;
-
-  switch (state) {
-    case 0x28U:
-      /* Data has been transmitted successfully */
-      if (data != end) {
-        regs->dat = *data;
-        ++data;
-        regs->conset = LPC24XX_I2C_AA;
-        regs->conclr = LPC24XX_I2C_SI;
-        notify = false;
-        e->data = data;
-      }
-      break;
-    case 0x50U:
-      /* Data has been received */
-      if (data != end) {
-        *data = (uint8_t) regs->dat;
-        ++data;
-        if (data != end) {
-          if (data + 1 != end) {
-            regs->conset = LPC24XX_I2C_AA;
-          } else {
-            regs->conclr = LPC24XX_I2C_AA;
-          }
-          regs->conclr = LPC24XX_I2C_SI;
-          notify = false;
-          e->data = data;
-        } else {
-          /* This is an error and should never happen */
-        }
-      }
-      break;
-    case 0x58U:
-      /* Last data has been received */
-      if (data != end) {
-        *data = (uint8_t) regs->dat;
-      }
-      break;
-    default:
-      /* Do nothing */
-      break;
-  }
-
-  /* Notify task if necessary */
-  if (notify) {
-    bsp_interrupt_vector_disable(e->vector);
-
-    rtems_semaphore_release(e->state_update);
-  }
-}
-
-static rtems_status_code lpc24xx_i2c_wait(lpc24xx_i2c_bus_entry *e)
-{
-  bsp_interrupt_vector_enable(e->vector);
-
-  return rtems_semaphore_obtain(e->state_update, RTEMS_WAIT, RTEMS_NO_TIMEOUT);
-}
-
-static rtems_status_code lpc24xx_i2c_init(rtems_libi2c_bus_t *bus)
-{
-  rtems_status_code sc = RTEMS_SUCCESSFUL;
-  lpc24xx_i2c_bus_entry *e = (lpc24xx_i2c_bus_entry *) bus;
-  volatile lpc24xx_i2c *regs = e->regs;
-  unsigned cycles = LPC24XX_CCLK / (8U * 100000U * 2U);
-
-  /* Create semaphore */
-  sc = rtems_semaphore_create (
-    rtems_build_name ('I', '2', 'C', '0' + e->index),
-    0,
-    RTEMS_SIMPLE_BINARY_SEMAPHORE,
-    0,
-    &e->state_update
-  );
-  RTEMS_CHECK_SC(sc, "create status update semaphore");
-
-  /* Enable module power */
-  sc = lpc24xx_module_enable(LPC24XX_MODULE_I2C_0 + e->index, LPC24XX_MODULE_CCLK_8);
-  RTEMS_CHECK_SC(sc, "enable module");
-
-  /* Pin configuration */
-  sc = lpc24xx_pin_config(e->pins, LPC24XX_PIN_SET_FUNCTION);
-  RTEMS_CHECK_SC(sc, "pin configuration");
-
-  /* Clock high and low duty cycles */
-  regs->sclh = cycles;
-  regs->scll = cycles;
-
-  /* Disable module */
-  regs->conclr = LPC24XX_I2C_EN;
-
-  /* Install interrupt handler and disable this vector */
-  sc = rtems_interrupt_handler_install(
-    e->vector,
-    "I2C",
-    RTEMS_INTERRUPT_UNIQUE,
-    lpc24xx_i2c_handler,
-    e
-  );
-  RTEMS_CHECK_SC(sc, "install interrupt handler");
-  bsp_interrupt_vector_disable(e->vector);
-
-  /* Enable module in master mode */
-  regs->conset = LPC24XX_I2C_EN;
-
-  /* Set self address */
-  regs->adr = 0;
-
-  return RTEMS_SUCCESSFUL;
-}
-
-static rtems_status_code lpc24xx_i2c_send_start(rtems_libi2c_bus_t *bus)
-{
-  rtems_status_code sc = RTEMS_SUCCESSFUL;
-  lpc24xx_i2c_bus_entry *e = (lpc24xx_i2c_bus_entry *) bus;
-  volatile lpc24xx_i2c *regs = e->regs;
-
-  /* Start */
-  regs->conclr = LPC24XX_I2C_STA | LPC24XX_I2C_AA | LPC24XX_I2C_SI;
-  regs->conset = LPC24XX_I2C_STA;
-
-  /* Wait */
-  sc = lpc24xx_i2c_wait(e);
-  RTEMS_CHECK_SC(sc, "wait for state update");
-
-  return RTEMS_SUCCESSFUL;
-}
-
-static rtems_status_code lpc24xx_i2c_send_stop(rtems_libi2c_bus_t *bus)
-{
-  lpc24xx_i2c_bus_entry *e = (lpc24xx_i2c_bus_entry *) bus;
-  volatile lpc24xx_i2c *regs = e->regs;
-
-  /* Stop */
-  regs->conset = LPC24XX_I2C_STO | LPC24XX_I2C_AA;
-  regs->conclr = LPC24XX_I2C_STA | LPC24XX_I2C_SI;
-
-  return RTEMS_SUCCESSFUL;
-}
-
-static rtems_status_code lpc24xx_i2c_send_addr(
-  rtems_libi2c_bus_t *bus,
-  uint32_t addr,
-  int rw
-)
-{
-  rtems_status_code sc = RTEMS_SUCCESSFUL;
-  lpc24xx_i2c_bus_entry *e = (lpc24xx_i2c_bus_entry *) bus;
-  volatile lpc24xx_i2c *regs = e->regs;
-  unsigned state = regs->stat;
-
-  /* Check state */
-  if (state != 0x8U && state != 0x10U) {
-    return -RTEMS_IO_ERROR;
-  }
-
-  /* Send address */
-  regs->dat = (uint8_t) ((addr << 1U) | ((rw != 0) ? 1U : 0U));
-  regs->conset = LPC24XX_I2C_AA;
-  regs->conclr = LPC24XX_I2C_STA | LPC24XX_I2C_SI;
-
-  /* Wait */
-  sc = lpc24xx_i2c_wait(e);
-  RTEMS_CHECK_SC_RV(sc, "wait for state update");
-
-  /* Check state */
-  state = regs->stat;
-  if (state != 0x18U && state != 0x40U) {
-    return -RTEMS_IO_ERROR;
-  }
-
-  return RTEMS_SUCCESSFUL;
-}
-
-static int lpc24xx_i2c_read(rtems_libi2c_bus_t *bus, unsigned char *in, int n)
-{
-  rtems_status_code sc = RTEMS_SUCCESSFUL;
-  lpc24xx_i2c_bus_entry *e = (lpc24xx_i2c_bus_entry *) bus;
-  volatile lpc24xx_i2c *regs = e->regs;
-  unsigned state = regs->stat;
-  uint8_t *data = in;
-  uint8_t *end = in + n;
-
-  if (n <= 0) {
-    return n;
-  } else if (state != 0x40U) {
-    return -RTEMS_IO_ERROR;
-  }
-
-  /* Setup receive buffer */
-  e->data = data;
-  e->end = end;
-
-  /* Ready to receive data */
-  if (data + 1 != end) {
-    regs->conset = LPC24XX_I2C_AA;
-  } else {
-    regs->conclr = LPC24XX_I2C_AA;
-  }
-  regs->conclr = LPC24XX_I2C_SI;
-
-  /* Wait */
-  sc = lpc24xx_i2c_wait(e);
-  RTEMS_CHECK_SC_RV(sc, "wait for state update");
-
-  /* Check state */
-  state = regs->stat;
-  if (state != 0x58U) {
-    return -RTEMS_IO_ERROR;
-  }
-
-  return n;
-}
-
-static int lpc24xx_i2c_write(
-  rtems_libi2c_bus_t *bus,
-  unsigned char *out,
-  int n
-)
-{
-  rtems_status_code sc = RTEMS_SUCCESSFUL;
-  lpc24xx_i2c_bus_entry *e = (lpc24xx_i2c_bus_entry *) bus;
-  volatile lpc24xx_i2c *regs = e->regs;
-  unsigned state = 0;
-
-  if (n <= 0) {
-    return n;
-  }
-
-  /* Setup transmit buffer */
-  e->data = out + 1;
-  e->end = out + n;
-
-  /* Transmit first byte */
-  regs->dat = *out;
-  regs->conset = LPC24XX_I2C_AA;
-  regs->conclr = LPC24XX_I2C_SI;
-
-  /* Wait */
-  sc = lpc24xx_i2c_wait(e);
-  RTEMS_CHECK_SC_RV(sc, "wait for state update");
-
-  /* Check state */
-  state = regs->stat;
-  if (state != 0x28U) {
-    return -RTEMS_IO_ERROR;
-  }
-
-  return n;
-}
-
-static int lpc24xx_i2c_set_transfer_mode(
-  rtems_libi2c_bus_t *bus,
-  const rtems_libi2c_tfr_mode_t *mode
-)
-{
-  return -RTEMS_NOT_IMPLEMENTED;
-}
-
-static int lpc24xx_i2c_ioctl(rtems_libi2c_bus_t *bus, int cmd, void *arg)
-{
-  int rv = -1;
-  const rtems_libi2c_tfr_mode_t *tm = (const rtems_libi2c_tfr_mode_t *) arg;
-
-  switch (cmd) {
-    case RTEMS_LIBI2C_IOCTL_SET_TFRMODE:
-      rv = lpc24xx_i2c_set_transfer_mode(bus, tm);
-      break;
-    default:
-      rv = -RTEMS_NOT_DEFINED;
-      break;
-  }
-
-  return rv;
-}
-
-const rtems_libi2c_bus_ops_t lpc24xx_i2c_ops = {
-  .init = lpc24xx_i2c_init,
-  .send_start = lpc24xx_i2c_send_start,
-  .send_stop = lpc24xx_i2c_send_stop,
-  .send_addr = lpc24xx_i2c_send_addr,
-  .read_bytes = lpc24xx_i2c_read,
-  .write_bytes = lpc24xx_i2c_write,
-  .ioctl = lpc24xx_i2c_ioctl
-};