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authorJohn Crispin <john@openwrt.org>2013-09-17 21:46:10 +0000
committerJohn Crispin <john@openwrt.org>2013-09-17 21:46:10 +0000
commit1878a3d6ab7e4296671eaa827623cc874d1f12c5 (patch)
tree895fea96a0462bc19622aed65e9e179d22d61069 /target/linux/lantiq/patches-3.8/0033-MTD-lantiq-xway-make-nand-actually-work.patch
parentcd668944ef699762d4269ad71263ffe99c93ea8c (diff)
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lantiq: add v3.10 patches
Signed-off-by: John Crispin <blogic@openwrt.org> SVN-Revision: 38031
Diffstat (limited to 'target/linux/lantiq/patches-3.8/0033-MTD-lantiq-xway-make-nand-actually-work.patch')
-rw-r--r--target/linux/lantiq/patches-3.8/0033-MTD-lantiq-xway-make-nand-actually-work.patch117
1 files changed, 0 insertions, 117 deletions
diff --git a/target/linux/lantiq/patches-3.8/0033-MTD-lantiq-xway-make-nand-actually-work.patch b/target/linux/lantiq/patches-3.8/0033-MTD-lantiq-xway-make-nand-actually-work.patch
deleted file mode 100644
index 92da4235b2..0000000000
--- a/target/linux/lantiq/patches-3.8/0033-MTD-lantiq-xway-make-nand-actually-work.patch
+++ /dev/null
@@ -1,117 +0,0 @@
-From cc77f36d2ea812027dc2a8a94c788c4c145f82dc Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Mon, 22 Oct 2012 10:25:39 +0200
-Subject: [PATCH 33/40] MTD: lantiq: xway: make nand actually work
-
-http://lists.infradead.org/pipermail/linux-mtd/2012-September/044240.html
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- drivers/mtd/nand/xway_nand.c | 54 +++++++++++++++++++++++++++++++++++-------
- 1 file changed, 45 insertions(+), 9 deletions(-)
-
---- a/drivers/mtd/nand/xway_nand.c
-+++ b/drivers/mtd/nand/xway_nand.c
-@@ -54,19 +54,29 @@
- #define NAND_CON_CSMUX (1 << 1)
- #define NAND_CON_NANDM 1
-
-+static u32 xway_latchcmd;
-+
- static void xway_reset_chip(struct nand_chip *chip)
- {
- unsigned long nandaddr = (unsigned long) chip->IO_ADDR_W;
- unsigned long flags;
-+ unsigned long timeout;
-
- nandaddr &= ~NAND_WRITE_ADDR;
- nandaddr |= NAND_WRITE_CMD;
-
- /* finish with a reset */
-+ timeout = jiffies + msecs_to_jiffies(200);
-+
- spin_lock_irqsave(&ebu_lock, flags);
-+
- writeb(NAND_WRITE_CMD_RESET, (void __iomem *) nandaddr);
-- while ((ltq_ebu_r32(EBU_NAND_WAIT) & NAND_WAIT_WR_C) == 0)
-- ;
-+ do {
-+ if ((ltq_ebu_r32(EBU_NAND_WAIT) & NAND_WAIT_WR_C) == 0)
-+ break;
-+ cond_resched();
-+ } while (!time_after_eq(jiffies, timeout));
-+
- spin_unlock_irqrestore(&ebu_lock, flags);
- }
-
-@@ -94,17 +104,15 @@ static void xway_cmd_ctrl(struct mtd_inf
- unsigned long flags;
-
- if (ctrl & NAND_CTRL_CHANGE) {
-- nandaddr &= ~(NAND_WRITE_CMD | NAND_WRITE_ADDR);
- if (ctrl & NAND_CLE)
-- nandaddr |= NAND_WRITE_CMD;
-- else
-- nandaddr |= NAND_WRITE_ADDR;
-- this->IO_ADDR_W = (void __iomem *) nandaddr;
-+ xway_latchcmd = NAND_WRITE_CMD;
-+ else if (ctrl & NAND_ALE)
-+ xway_latchcmd = NAND_WRITE_ADDR;
- }
-
- if (cmd != NAND_CMD_NONE) {
- spin_lock_irqsave(&ebu_lock, flags);
-- writeb(cmd, this->IO_ADDR_W);
-+ writeb(cmd, (void __iomem *) (nandaddr | xway_latchcmd));
- while ((ltq_ebu_r32(EBU_NAND_WAIT) & NAND_WAIT_WR_C) == 0)
- ;
- spin_unlock_irqrestore(&ebu_lock, flags);
-@@ -124,12 +132,38 @@ static unsigned char xway_read_byte(stru
- int ret;
-
- spin_lock_irqsave(&ebu_lock, flags);
-- ret = ltq_r8((void __iomem *)(nandaddr + NAND_READ_DATA));
-+ ret = ltq_r8((void __iomem *)(nandaddr | NAND_READ_DATA));
- spin_unlock_irqrestore(&ebu_lock, flags);
-
- return ret;
- }
-
-+static void xway_read_buf(struct mtd_info *mtd, u_char *buf, int len)
-+{
-+ struct nand_chip *this = mtd->priv;
-+ unsigned long nandaddr = (unsigned long) this->IO_ADDR_R;
-+ unsigned long flags;
-+ int i;
-+
-+ spin_lock_irqsave(&ebu_lock, flags);
-+ for (i = 0; i < len; i++)
-+ buf[i] = ltq_r8((void __iomem *)(nandaddr | NAND_READ_DATA));
-+ spin_unlock_irqrestore(&ebu_lock, flags);
-+}
-+
-+static void xway_write_buf(struct mtd_info *mtd, const u_char *buf, int len)
-+{
-+ struct nand_chip *this = mtd->priv;
-+ unsigned long nandaddr = (unsigned long) this->IO_ADDR_W;
-+ unsigned long flags;
-+ int i;
-+
-+ spin_lock_irqsave(&ebu_lock, flags);
-+ for (i = 0; i < len; i++)
-+ ltq_w8(buf[i], (void __iomem *)nandaddr);
-+ spin_unlock_irqrestore(&ebu_lock, flags);
-+}
-+
- static int xway_nand_probe(struct platform_device *pdev)
- {
- struct nand_chip *this = platform_get_drvdata(pdev);
-@@ -175,6 +209,8 @@ static struct platform_nand_data xway_na
- .dev_ready = xway_dev_ready,
- .select_chip = xway_select_chip,
- .read_byte = xway_read_byte,
-+ .read_buf = xway_read_buf,
-+ .write_buf = xway_write_buf,
- }
- };
-