All files and functions beginning with lm_ changed to tiva_

1 files changed, 211 insertions, 0 deletions

diff --git a/nuttx/arch/arm/src/tiva/tiva_dumpgpio.c b/nuttx/arch/arm/src/tiva/tiva_dumpgpio.c
new file mode 100644
index 000000000..d73021062
--- /dev/null
+++ b/nuttx/arch/arm/src/tiva/tiva_dumpgpio.c
@@ -0,0 +1,211 @@
+/****************************************************************************
+ * arch/arm/src/tiva/tiva_dumpgpio.c
+ *
+ *   Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <debug.h>
+
+#include <nuttx/arch.h>
+
+#include "up_arch.h"
+
+#include "chip.h"
+#include "tiva_gpio.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/* NOTE: this is duplicated in tiva_gpio.c */
+
+static const uintptr_t g_gpiobase[LM_NPORTS] =
+{
+#if LM_NPORTS > 0
+    LM_GPIOA_BASE
+#endif
+#if LM_NPORTS > 1
+  , LM_GPIOB_BASE
+#endif
+#if LM_NPORTS > 2
+  , LM_GPIOC_BASE
+#endif
+#if LM_NPORTS > 3
+  , LM_GPIOD_BASE
+#endif
+#if LM_NPORTS > 4
+  , LM_GPIOE_BASE
+#endif
+#if LM_NPORTS > 5
+  , LM_GPIOF_BASE
+#endif
+#if LM_NPORTS > 6
+  , LM_GPIOG_BASE
+#endif
+#if LM_NPORTS > 7
+  , LM_GPIOH_BASE
+#endif
+#if LM_NPORTS > 8
+  , LM_GPIOJ_BASE
+#endif
+};
+
+static const char g_portchar[LM_NPORTS] =
+{
+#if LM_NPORTS > 0
+    'A'
+#endif
+#if LM_NPORTS > 1
+  , 'B'
+#endif
+#if LM_NPORTS > 2
+  , 'C'
+#endif
+#if LM_NPORTS > 3
+  , 'D'
+#endif
+#if LM_NPORTS > 4
+  , 'E'
+#endif
+#if LM_NPORTS > 5
+  , 'F'
+#endif
+#if LM_NPORTS > 6
+  , 'G'
+#endif
+#if LM_NPORTS > 7
+  , 'H'
+#endif
+#if LM_NPORTS > 8
+  , 'J'
+#endif
+};
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: tiva_gpiobaseaddress
+ *
+ * Description:
+ *   Given a GPIO enumeration value, return the base address of the
+ *   associated GPIO registers.
+ *
+ ****************************************************************************/
+
+static inline uintptr_t tiva_gpiobaseaddress(int port)
+{
+  return port < LM_NPORTS ? g_gpiobase[port] : 0;
+}
+
+/****************************************************************************
+ * Name: tiva_gpioport
+ *
+ * Description:
+ *   Given a GPIO enumeration value, return the base address of the
+ *   associated GPIO registers.
+ *
+ ****************************************************************************/
+
+static inline uint8_t tiva_gpioport(int port)
+{
+  return port < LM_NPORTS ? g_portchar[port] : '?';
+}
+
+/****************************************************************************
+ * Global Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Function:  tiva_dumpgpio
+ *
+ * Description:
+ *   Dump all GPIO registers associated with the provided base address
+ *
+ ****************************************************************************/
+
+int tiva_dumpgpio(uint32_t pinset, const char *msg)
+{
+  irqstate_t   flags;
+  unsigned int port = (pinset & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
+  uintptr_t    base;
+  uint32_t     rcgc2;
+  bool         enabled;
+
+  /* Get the base address associated with the GPIO port */
+
+  base = tiva_gpiobaseaddress(port);
+  DEBUGASSERT(base != 0);
+
+  /* The following requires exclusive access to the GPIO registers */
+
+  flags   = irqsave();
+  rcgc2   = getreg32(LM_SYSCON_RCGC2);
+  enabled = ((rcgc2 & SYSCON_RCGC2_GPIO(port)) != 0);
+
+  lldbg("GPIO%c pinset: %08x base: %08x -- %s\n",
+        tiva_gpioport(port), pinset, base, msg);
+  lldbg("  RCGC2: %08x (%s)\n",
+        rcgc2, enabled ? "enabled" : "disabled" );
+
+  /* Don't bother with the rest unless the port is enabled */
+
+  if (enabled)
+    {
+      lldbg("  AFSEL: %02x DEN: %02x DIR: %02x DATA: %02x\n",
+            getreg32(base + LM_GPIO_AFSEL_OFFSET), getreg32(base + LM_GPIO_DEN_OFFSET),
+            getreg32(base + LM_GPIO_DIR_OFFSET), getreg32(base + LM_GPIO_DATA_OFFSET + 0x3fc));
+      lldbg("  IS:    %02x IBE: %02x IEV: %02x IM:  %02x RIS: %08x MIS: %08x\n",
+            getreg32(base + LM_GPIO_IEV_OFFSET), getreg32(base + LM_GPIO_IM_OFFSET),
+            getreg32(base + LM_GPIO_RIS_OFFSET), getreg32(base + LM_GPIO_MIS_OFFSET));
+      lldbg("  2MA:   %02x 4MA: %02x 8MA: %02x ODR: %02x PUR %02x PDR: %02x SLR: %02x\n",
+            getreg32(base + LM_GPIO_DR2R_OFFSET), getreg32(base + LM_GPIO_DR4R_OFFSET),
+            getreg32(base + LM_GPIO_DR8R_OFFSET), getreg32(base + LM_GPIO_ODR_OFFSET),
+            getreg32(base + LM_GPIO_PUR_OFFSET), getreg32(base + LM_GPIO_PDR_OFFSET),
+            getreg32(base + LM_GPIO_SLR_OFFSET));
+    }
+  irqrestore(flags);
+  return OK;
+}