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From: <mar...@us...> - 2007-08-20 15:43:08
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Revision: 1246
http://hackndev.svn.sourceforge.net/hackndev/?rev=1246&view=rev
Author: marex_z71
Date: 2007-08-20 08:43:00 -0700 (Mon, 20 Aug 2007)
Log Message:
-----------
PalmTX: add missing header to NAND driver
Modified Paths:
--------------
linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c
Modified: linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c
===================================================================
--- linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c 2007-08-18 20:22:12 UTC (rev 1245)
+++ linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c 2007-08-20 15:43:00 UTC (rev 1246)
@@ -25,6 +25,7 @@
#include <asm/io.h>
#include <asm/sizes.h>
#include <asm/arch/palmtx-gpio.h>
+#include <asm/arch/palmtx-init.h>
#include <asm/arch/pxa-regs.h>
#include <asm/setup.h>
#include <asm/memory.h>
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From: <mar...@us...> - 2007-08-25 00:24:36
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Revision: 1268
http://hackndev.svn.sourceforge.net/hackndev/?rev=1268&view=rev
Author: marex_z71
Date: 2007-08-24 17:24:34 -0700 (Fri, 24 Aug 2007)
Log Message:
-----------
PalmTX: remove warning from MTD driver
Modified Paths:
--------------
linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c
Modified: linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c
===================================================================
--- linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c 2007-08-24 23:46:45 UTC (rev 1267)
+++ linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c 2007-08-25 00:24:34 UTC (rev 1268)
@@ -104,10 +104,12 @@
/*
* read device ready pin
*/
+#if 0
static int palmtx_device_ready(struct mtd_info *mtd)
{
return GET_PALMTX_GPIO(NAND_READY);
}
+#endif
/*
* Main initialization routine
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From: <mar...@us...> - 2007-08-30 02:31:56
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Revision: 1288
http://hackndev.svn.sourceforge.net/hackndev/?rev=1288&view=rev
Author: marex_z71
Date: 2007-08-29 19:31:54 -0700 (Wed, 29 Aug 2007)
Log Message:
-----------
PalmTX: WORKING NAND Flash driver
Modified Paths:
--------------
linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c
Modified: linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c
===================================================================
--- linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c 2007-08-29 15:42:49 UTC (rev 1287)
+++ linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c 2007-08-30 02:31:54 UTC (rev 1288)
@@ -36,6 +36,12 @@
*/
static struct mtd_info *palmtx_nand_mtd = NULL;
+/*
+ * Control lines
+ */
+void __iomem *nand_ale = NULL;
+void __iomem *nand_cle = NULL;
+
/*
* Module stuff
*/
@@ -55,29 +61,27 @@
#endif
/*
- * hardware specific access to control-lines
+ * Hardware specific access to control-lines
*/
static void palmtx_hwcontrol(struct mtd_info *mtd, int cmd,
unsigned int ctrl)
{
struct nand_chip *chip = mtd->priv;
- unsigned long bits = 0;
- if (ctrl & NAND_CTRL_CHANGE) {
- /* Select chip */
- SET_PALMTX_GPIO(NAND_CS1_N, (ctrl & NAND_NCE) ? 0 : 1);
-
- /* Set control lines */
- if (ctrl & NAND_CLE)
- bits |= 1<<25;
- if (ctrl & NAND_ALE)
- bits |= 1<<24;
- iowrite32(bits, chip->IO_ADDR_W);
- }
-
/* If there is a command for the chip, send it */
- if (cmd != NAND_CMD_NONE)
- iowrite32((cmd & 0xff) | bits, chip->IO_ADDR_W);
+ if (cmd != NAND_CMD_NONE) {
+ switch ((ctrl & 0x6) >> 1) {
+ case 1: /* CLE */
+ writeb(cmd, nand_cle);
+ break;
+ case 2: /* ALE */
+ writeb(cmd, nand_ale);
+ break;
+ default:
+ printk("PalmTX NAND: invalid bit\n");
+ break;
+ }
+ }
}
/*
@@ -98,7 +102,6 @@
palmtx_nand_mtd = kmalloc(sizeof(struct mtd_info) + sizeof(struct nand_chip), GFP_KERNEL);
if (!palmtx_nand_mtd) {
printk("Unable to allocate palmtx NAND MTD device structure.\n");
- iounmap((void *)nandaddr);
return -ENOMEM;
}
@@ -106,9 +109,22 @@
nandaddr = ioremap(PALMTX_PHYS_NAND_START, 0x1000);
if (!nandaddr) {
printk("Failed to ioremap NAND flash.\n");
+ iounmap((void *)palmtx_nand_mtd);
return -ENOMEM;
}
+ /* Remap physical address of control lines */
+ nand_ale = ioremap(PALMTX_PHYS_NAND_START | 1<<24, 0x1000);
+ if (!nand_ale) {
+ printk("Failed to ioremap NAND flash.\n");
+ return -ENOMEM;
+ }
+ nand_cle = ioremap(PALMTX_PHYS_NAND_START | 1<<25, 0x1000);
+ if (!nand_cle) {
+ printk("Failed to ioremap NAND flash.\n");
+ return -ENOMEM;
+ }
+
/* Get pointer to private data */
this = (struct nand_chip *)(&palmtx_nand_mtd[1]);
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From: <mar...@us...> - 2007-08-30 02:36:56
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Revision: 1289
http://hackndev.svn.sourceforge.net/hackndev/?rev=1289&view=rev
Author: marex_z71
Date: 2007-08-29 19:36:54 -0700 (Wed, 29 Aug 2007)
Log Message:
-----------
PalmTX: cosmetic corrections to NAND flash driver
Modified Paths:
--------------
linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c
Modified: linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c
===================================================================
--- linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c 2007-08-30 02:31:54 UTC (rev 1288)
+++ linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c 2007-08-30 02:36:54 UTC (rev 1289)
@@ -66,8 +66,6 @@
static void palmtx_hwcontrol(struct mtd_info *mtd, int cmd,
unsigned int ctrl)
{
- struct nand_chip *chip = mtd->priv;
-
/* If there is a command for the chip, send it */
if (cmd != NAND_CMD_NONE) {
switch ((ctrl & 0x6) >> 1) {
@@ -78,7 +76,7 @@
writeb(cmd, nand_ale);
break;
default:
- printk("PalmTX NAND: invalid bit\n");
+ printk("PalmTX NAND: invalid control bit\n");
break;
}
}
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From: <mar...@us...> - 2007-08-30 02:41:22
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Revision: 1290
http://hackndev.svn.sourceforge.net/hackndev/?rev=1290&view=rev
Author: marex_z71
Date: 2007-08-29 19:41:10 -0700 (Wed, 29 Aug 2007)
Log Message:
-----------
PalmTX: correctly manager memory unmaping if something fails and do writes in more correct way
Modified Paths:
--------------
linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c
Modified: linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c
===================================================================
--- linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c 2007-08-30 02:36:54 UTC (rev 1289)
+++ linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c 2007-08-30 02:41:10 UTC (rev 1290)
@@ -70,10 +70,10 @@
if (cmd != NAND_CMD_NONE) {
switch ((ctrl & 0x6) >> 1) {
case 1: /* CLE */
- writeb(cmd, nand_cle);
+ iowrite8(cmd, nand_cle);
break;
case 2: /* ALE */
- writeb(cmd, nand_ale);
+ iowrite8(cmd, nand_ale);
break;
default:
printk("PalmTX NAND: invalid control bit\n");
@@ -115,11 +115,16 @@
nand_ale = ioremap(PALMTX_PHYS_NAND_START | 1<<24, 0x1000);
if (!nand_ale) {
printk("Failed to ioremap NAND flash.\n");
+ iounmap((void *)palmtx_nand_mtd);
+ iounmap((void *)nandaddr);
return -ENOMEM;
}
nand_cle = ioremap(PALMTX_PHYS_NAND_START | 1<<25, 0x1000);
if (!nand_cle) {
printk("Failed to ioremap NAND flash.\n");
+ iounmap((void *)palmtx_nand_mtd);
+ iounmap((void *)nandaddr);
+ iounmap((void *)nand_ale);
return -ENOMEM;
}
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From: <mar...@us...> - 2007-09-02 12:39:26
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Revision: 1296
http://hackndev.svn.sourceforge.net/hackndev/?rev=1296&view=rev
Author: marex_z71
Date: 2007-09-02 05:39:22 -0700 (Sun, 02 Sep 2007)
Log Message:
-----------
PalmTX: correct command delay according to datasheet
Modified Paths:
--------------
linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c
Modified: linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c
===================================================================
--- linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c 2007-09-02 11:22:01 UTC (rev 1295)
+++ linux4palm/linux/trunk/drivers/mtd/nand/palmtx.c 2007-09-02 12:39:22 UTC (rev 1296)
@@ -149,8 +149,8 @@
this->IO_ADDR_W = nandaddr;
this->cmd_ctrl = palmtx_hwcontrol;
this->dev_ready = palmtx_device_ready;
- /* 15 us command delay time */
- this->chip_delay = 15;
+ /* 10 us command delay time */
+ this->chip_delay = 10;
this->ecc.mode = NAND_ECC_SOFT;
this->options = NAND_NO_AUTOINCR;
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