From: Scott Wood <scottwood@freescale.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [U-BOOT] nand merge problem
Date: Wed, 27 May 2009 09:34:26 -0500 [thread overview]
Message-ID: <4A1D4F72.3010304@freescale.com> (raw)
In-Reply-To: <4A1C8C3D.6000108@gmail.com>
xiangfu_gmail wrote:
> static void jz_hwcontrol(struct mtd_info *mtd, int cmd, unsigned int ctrl)
> {
> struct nand_chip *this = (struct nand_chip *)(mtd->priv);
>
> if (ctrl & NAND_CTRL_CHANGE) {
> if (ctrl & NAND_NCE)
> REG_EMC_NFCSR |= EMC_NFCSR_NFCE1;
> else
> REG_EMC_NFCSR &= ~EMC_NFCSR_NFCE1;
>
> if (ctrl & NAND_CLE)
> this->IO_ADDR_W = (void __iomem *)
> ((unsigned long)(this->IO_ADDR_W) | 0x00008000);
> else
> this->IO_ADDR_W = (void __iomem *)
> ((unsigned long)(this->IO_ADDR_W) & ~0x00008000);
>
> if (ctrl & NAND_ALE)
> this->IO_ADDR_W = (void __iomem *)
> ((unsigned long)(this->IO_ADDR_W) | 0x00010000);
> else
> this->IO_ADDR_W = (void __iomem *)
> ((unsigned long)(this->IO_ADDR_W) & ~0x00010000);
>
> }
> }
Nowhere in this function do you issue the command... See
cpu/ppc4xx/ndfc.c for a simple hwcontrol function.
-Scott
next prev parent reply other threads:[~2009-05-27 14:34 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-26 7:46 [U-Boot] [U-BOOT] nand merge problem xiangfu_gmail
2009-05-26 9:12 ` xiangfu_gmail
2009-05-26 21:17 ` Scott Wood
2009-05-27 0:41 ` xiangfu_gmail
2009-05-27 14:34 ` Scott Wood [this message]
[not found] ` <00ab01c9e19b$b2488f50$3e03a8c0@st.jz.com>
2009-05-31 8:09 ` xiangfu
2009-06-01 16:54 ` Scott Wood
2009-06-02 2:42 ` xiangfu
2009-06-06 14:46 ` [U-Boot] console_init_r problem with ingenic jz4740 cpu xiangfu
2009-06-10 9:14 ` [U-Boot] lcd logo color not correct xiangfu
2009-06-10 14:26 ` xiangfu
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