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authorDenys Dmytriyenko <denis@denix.org>2009-03-17 14:32:59 -0400
committerDenys Dmytriyenko <denis@denix.org>2009-03-17 14:32:59 -0400
commit709c4d66e0b107ca606941b988bad717c0b45d9b (patch)
tree37ee08b1eb308f3b2b6426d5793545c38396b838 /recipes/linux/linux-2.6.23+2.6.24-rc5/gesbc-9302/0001-gesbc-nand.patch
parentfa6cd5a3b993f16c27de4ff82b42684516d433ba (diff)
rename packages/ to recipes/ per earlier agreement
See links below for more details: http://thread.gmane.org/gmane.comp.handhelds.openembedded/21326 http://thread.gmane.org/gmane.comp.handhelds.openembedded/21816 Signed-off-by: Denys Dmytriyenko <denis@denix.org> Acked-by: Mike Westerhof <mwester@dls.net> Acked-by: Philip Balister <philip@balister.org> Acked-by: Khem Raj <raj.khem@gmail.com> Acked-by: Marcin Juszkiewicz <hrw@openembedded.org> Acked-by: Koen Kooi <koen@openembedded.org> Acked-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Diffstat (limited to 'recipes/linux/linux-2.6.23+2.6.24-rc5/gesbc-9302/0001-gesbc-nand.patch')
-rw-r--r--recipes/linux/linux-2.6.23+2.6.24-rc5/gesbc-9302/0001-gesbc-nand.patch306
1 files changed, 306 insertions, 0 deletions
diff --git a/recipes/linux/linux-2.6.23+2.6.24-rc5/gesbc-9302/0001-gesbc-nand.patch b/recipes/linux/linux-2.6.23+2.6.24-rc5/gesbc-9302/0001-gesbc-nand.patch
new file mode 100644
index 0000000000..0f5e909148
--- /dev/null
+++ b/recipes/linux/linux-2.6.23+2.6.24-rc5/gesbc-9302/0001-gesbc-nand.patch
@@ -0,0 +1,306 @@
+From 9819226a16a12ba0545e90b475fa70d408544971 Mon Sep 17 00:00:00 2001
+From: Cliff Brake <cbrake@happy.(none)>
+Date: Mon, 17 Dec 2007 16:45:47 -0500
+Subject: [PATCH] gesbc-nand
+
+---
+ drivers/mtd/nand/Kconfig | 7 ++
+ drivers/mtd/nand/Makefile | 1 +
+ drivers/mtd/nand/gesbc.c | 255 +++++++++++++++++++++++++++++++++++++++++++++
+ 3 files changed, 263 insertions(+), 0 deletions(-)
+ create mode 100644 drivers/mtd/nand/gesbc.c
+
+diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
+index 246d451..cde3146 100644
+--- a/drivers/mtd/nand/Kconfig
++++ b/drivers/mtd/nand/Kconfig
+@@ -51,6 +51,13 @@ config MTD_NAND_EDB7312
+ This enables the driver for the Cirrus Logic EBD7312 evaluation
+ board to access the onboard NAND Flash.
+
++config MTD_NAND_GESBC
++ tristate "Support for Glomation GESBC-93xx board"
++ depends on MTD_NAND && MACH_EDB9302
++ help
++ This enables the driver for the Glomation GESBC-93xx
++ board to access the onboard NAND Flash.
++
+ config MTD_NAND_H1900
+ tristate "iPAQ H1900 flash"
+ depends on ARCH_PXA && MTD_PARTITIONS
+diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
+index 3ad6c01..58c1961 100644
+--- a/drivers/mtd/nand/Makefile
++++ b/drivers/mtd/nand/Makefile
+@@ -12,6 +12,7 @@ obj-$(CONFIG_MTD_NAND_AMS_DELTA) += ams-delta.o
+ obj-$(CONFIG_MTD_NAND_TOTO) += toto.o
+ obj-$(CONFIG_MTD_NAND_AUTCPU12) += autcpu12.o
+ obj-$(CONFIG_MTD_NAND_EDB7312) += edb7312.o
++obj-$(CONFIG_MTD_NAND_GESBC) += gesbc.o
+ obj-$(CONFIG_MTD_NAND_AU1550) += au1550nd.o
+ obj-$(CONFIG_MTD_NAND_BF5XX) += bf5xx_nand.o
+ obj-$(CONFIG_MTD_NAND_PPCHAMELEONEVB) += ppchameleonevb.o
+diff --git a/drivers/mtd/nand/gesbc.c b/drivers/mtd/nand/gesbc.c
+new file mode 100644
+index 0000000..a5844b1
+--- /dev/null
++++ b/drivers/mtd/nand/gesbc.c
+@@ -0,0 +1,255 @@
++/*
++ * drivers/mtd/nand/gesbc-9302.c
++ *
++ * Copyright (C) 2004 Glomation (support@glomationinc.com)
++ *
++ * Derived from drivers/mtd/nand/edb7312.c
++ * Copyright (C) 2004 Marius Grer (mag@sysgo.de)
++ *
++ * Derived from drivers/mtd/nand/autcpu12.c
++ * Copyright (c) 2001 Thomas Gleixner (gleixner@autronix.de)
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ * Overview:
++ * This is a device driver for the NAND flash device found on the
++ * GESBC-93xx board with Samsung 128/256/512 Mbyte part.
++ */
++
++#include <linux/slab.h>
++#include <linux/module.h>
++#include <linux/init.h>
++#include <linux/mtd/mtd.h>
++#include <linux/mtd/nand.h>
++#include <linux/mtd/partitions.h>
++#include <asm/io.h>
++#include <asm/arch/hardware.h>
++#include <asm/sizes.h>
++
++#define GESBC_NAND_FLASH_DATA 0x10000000
++
++#define GPIO_PADR EP93XX_GPIO_REG(0x0)
++#define GPIO_PADDR EP93XX_GPIO_REG(0x10)
++#define SMCBCR1 (EP93XX_AHB_VIRT_BASE + 0x00082000 + 0x04)
++
++/*
++ * MTD structure for GESBC-93xx board
++ */
++static struct mtd_info *gesbc_mtd = NULL;
++
++
++/*
++ * Module stuff
++ */
++static unsigned long gesbc_fio_pbase = GESBC_NAND_FLASH_DATA;
++
++#ifdef CONFIG_MTD_PARTITIONS
++/*
++ * Define static partitions for flash device
++ */
++static struct mtd_partition partition_info32[] = {
++ { .name= "GESBC NAND FLASH",
++ .offset= 0,
++ .size= 128*1024*1024 },
++};
++/*
++ * Define static partitions for flash device
++ */
++static struct mtd_partition partition_info128[] = {
++ { .name= "GESBC NAND FLASH",
++ .offset= 0,
++ .size= 128*1024*1024 },
++};
++
++/*
++ * Define static partitions for flash device
++ */
++static struct mtd_partition partition_info256[] = {
++ { .name= "GESBC NAND FLASH",
++ .offset= 0,
++ .size= 256*1024*1024 },
++};
++
++/*
++ * Define static partitions for flash device
++ */
++static struct mtd_partition partition_info512[] = {
++ { .name= "GESBC NAND FLASH",
++ .offset= 0,
++ .size= 512*1024*1024 },
++};
++
++#define NUM_PARTITIONS 1
++#endif
++
++
++/*
++ * hardware specific access to control-lines
++ * NAND_NCE: bit 0 -> bit 3
++ * NAND_CLE: bit 1 -> bit 4
++ * NAND_ALE: bit 2 -> bit 6
++ */
++static void gesbc_hwcontrol(struct mtd_info *mtd, int cmd, int ctrl)
++{
++ unsigned long flags;
++ struct nand_chip *chip = mtd->priv;
++
++ /* Disbale interrupt to avoid race condition */
++ local_irq_save(flags);
++
++ if (ctrl & NAND_CTRL_CHANGE) {
++ unsigned char bits;
++
++ bits = (ctrl & NAND_CLE) << 3;
++ bits |= (ctrl & NAND_ALE) << 4;
++ if (ctrl & NAND_NCE)
++ bits &= ~0x08;
++ else
++ bits |= 0x08;
++
++ __raw_writel( (__raw_readl(GPIO_PADR) & ~0x58 )| bits, GPIO_PADR);
++ }
++ if (cmd != NAND_CMD_NONE)
++ writeb(cmd, chip->IO_ADDR_W);
++ /* Restore interrupt state */
++ local_irq_restore(flags);
++}
++
++/*
++ * read device ready pin
++ */
++static int gesbc_device_ready(struct mtd_info *mtd)
++{
++ return (__raw_readl(GPIO_PADR) & 0x80) >> 7;
++}
++
++#define MTDID "s3c2440-nand"
++
++static const char *probes[] = { "cmdlinepart", NULL };
++
++
++
++/*
++ * Main initialization routine
++ */
++static int __init gesbc_nand_init (void)
++{
++ struct nand_chip *this;
++ const char *part_type = 0;
++ int mtd_parts_nb = 0;
++ struct mtd_partition *mtd_parts = 0;
++ unsigned long flags;
++ void * gesbc_fio_base;
++
++ /* Allocate memory for MTD device structure and private data */
++ gesbc_mtd = kmalloc(sizeof(struct mtd_info) +
++ sizeof(struct nand_chip),
++ GFP_KERNEL);
++ if (!gesbc_mtd) {
++ printk("Unable to allocate GESBC NAND MTD device structure.\n");
++ return -ENOMEM;
++ }
++
++ /* map physical adress */
++ gesbc_fio_base = ioremap(gesbc_fio_pbase, SZ_1K);
++ if(!gesbc_fio_base) {
++ printk("ioremap GESBC-93xx NAND flash failed\n");
++ kfree(gesbc_mtd);
++ return -EIO;
++ }
++
++
++ /* Get pointer to private data */
++ this = (struct nand_chip *) (&gesbc_mtd[1]);
++
++ /* Initialize structures */
++ memset((char *) gesbc_mtd, 0, sizeof(struct mtd_info));
++ memset((char *) this, 0, sizeof(struct nand_chip));
++
++ /* Link the private data with the MTD structure */
++ gesbc_mtd->priv = this;
++
++ /* Disbale interrupt to avoid race condition */
++ local_irq_save(flags);
++
++ /*
++ * Set GPIO Port A control register so that the pins are configured
++ * to be outputs for controlling the NAND flash.
++ */
++ __raw_writel((__raw_readl(GPIO_PADDR) | 0x58) & ~0x80, GPIO_PADDR);
++ /* Clear NCE, clear CLE, clear ALE */
++ __raw_writel( (__raw_readl(GPIO_PADR) | 0x08 ) & ~0x50, GPIO_PADR);
++ /* Set SRAM controller to 32 bit (8 bit just doesn't work, don't know why) bus width and 7 CLK wait state */
++ __raw_writel(0x10003ce0, SMCBCR1);
++ local_irq_restore(flags);
++
++
++ /* insert callbacks */
++ this->IO_ADDR_R = (void *) gesbc_fio_base;
++ this->IO_ADDR_W = (void *) gesbc_fio_base;
++ this->cmd_ctrl = (void *) gesbc_hwcontrol;
++ this->dev_ready = gesbc_device_ready;
++ this->chip_delay = 25;
++ this->ecc.mode = NAND_ECC_SOFT;
++
++ __raw_writel(0xffffffff, gesbc_fio_base);
++ printk("Searching for NAND flash...\n");
++ /* Scan to find existence of the device */
++ if (nand_scan (gesbc_mtd, 1)) {
++ iounmap((void *)gesbc_fio_base);
++ kfree (gesbc_mtd);
++ return -ENXIO;
++ }
++
++#ifdef CONFIG_MTD_CMDLINE_PARTS
++ gesbc_mtd->name="GESBC-NAND";
++ mtd_parts_nb = parse_mtd_partitions(gesbc_mtd, probes, &mtd_parts, 0);
++ if (mtd_parts_nb > 0)
++ part_type = "command line";
++ else
++ mtd_parts_nb = 0;
++#endif
++
++ if (mtd_parts_nb == 0)
++ {
++ mtd_parts_nb = NUM_PARTITIONS;
++ mtd_parts = partition_info32;
++ if (gesbc_mtd->size >= (128 * 0x100000))
++ mtd_parts = partition_info128;
++ if (gesbc_mtd->size >= (256 * 0x100000))
++ mtd_parts = partition_info256;
++ if (gesbc_mtd->size >= (512 * 0x100000))
++ mtd_parts = partition_info512;
++ part_type = "static";
++ }
++
++ /* Register the partitions */
++ printk(KERN_NOTICE "Using %s partition definition\n", part_type);
++ add_mtd_partitions(gesbc_mtd, mtd_parts, mtd_parts_nb);
++
++ /* Return happy */
++ return 0;
++}
++module_init(gesbc_nand_init);
++
++/*
++ * Clean up routine
++ */
++static void __exit gesbc_nand_cleanup (void)
++{
++/* struct nand_chip *this = (struct nand_chip *) &gesbc_mtd[1]; */
++
++ /* Unregister the device */
++ del_mtd_device (gesbc_mtd);
++
++ /* Free the MTD device structure */
++ kfree (gesbc_mtd);
++}
++module_exit(gesbc_nand_cleanup);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("zql@glomationinc.com");
++MODULE_DESCRIPTION("MTD map driver for Glomation GESBC-93xx board");
++
+--
+1.5.2.5
+