From 452832f40fdc6c3a8c97920467e67cf2cdc1cbf5 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Tue, 21 Dec 2010 12:13:16 +0000
Subject: [PATCH] Need to init IO buffer free list
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3210 42af7a65-404d-4744-a932-0658087f49c3
---
arch/arm/src/lpc17xx/lpc17_usbhost.c | 22 ++++++++++++++++++----
1 file changed, 18 insertions(+), 4 deletions(-)
diff --git a/arch/arm/src/lpc17xx/lpc17_usbhost.c b/arch/arm/src/lpc17xx/lpc17_usbhost.c
index 6e47753c6c..ed79e4e3cf 100755
--- a/arch/arm/src/lpc17xx/lpc17_usbhost.c
+++ b/arch/arm/src/lpc17xx/lpc17_usbhost.c
@@ -115,6 +115,7 @@
#define EDFREE ((struct lpc17_hced_s *)LPC17_EDFREE_BASE)
#define TDFREE ((uint8_t *)LPC17_TDFREE_BASE)
+#define IOFREE ((uint8_t *)LPC17_IOFREE_BASE)
/* Descriptors *****************************************************************/
@@ -1575,7 +1576,7 @@ FAR struct usbhost_driver_s *usbhost_initialize(int controller)
{
struct lpc17_usbhost_s *priv = &g_usbhost;
uint32_t regval;
- uint8_t *tdfree;
+ uint8_t *buffer;
irqstate_t flags;
int i;
@@ -1641,14 +1642,27 @@ FAR struct usbhost_driver_s *usbhost_initialize(int controller)
/* Initialize user-configurable TD buffers */
- tdfree = TDFREE;
+ buffer = TDFREE;
for (i = 0; i < CONFIG_USBHOST_NEDS; i++)
{
/* Put the TD buffer in a free list */
- lpc17_tdfree(priv, tdfree);
- tdfree += CONFIG_USBHOST_TDBUFSIZE;
+ lpc17_tdfree(priv, buffer);
+ buffer += CONFIG_USBHOST_TDBUFSIZE;
+ }
+
+#ifdef CONFIG_UBHOST_AHBIOBUFFERS
+ /* Initialize user-configurable IO buffers */
+
+ buffer = IOFREE;
+ for (i = 0; i < LPC17_IOBUFFERS; i++)
+ {
+ /* Put the TD buffer in a free list */
+
+ lpc17_iofree(priv, buffer);
+ buffer += CONFIG_USBHOST_IOBUFSIZE;
}
+#endif
/* Wait 50MS then perform hardware reset */
--
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