Hi Ted,
On 02/12/15 06:56, Ted Victorio wrote:
I am unable to compile for the M5329 NAND using the configuration below.
Distro: uClinux-dist-20150808
Tool: m68k-uclinux-tools-20101118
Platform: Freescale MCF5329EVB
# Linux/m68k 4.0.0-uc0 Kernel Configuration
[snip]
Errors:
drivers/mtd/nand/m5329.c: In function 5329_init:
drivers/mtd/nand/m5329.c:85:2: error: lvalue required as left operand of
assignment
drivers/mtd/nand/m5329.c:90:4: error: lvalue required as left operand of
assignment
drivers/mtd/nand/m5329.c:92:4: error: lvalue required as left operand of
assignment
drivers/mtd/nand/m5329.c:131:2: error: implicit declaration of function
add_mtd_partitions
Do I need additional options? Or something else?
The definitions for register addresses were sanitized for Coldfire
hardware a few kernel revisions back. They are now all register
addresses (or offsets) - not access macros as some were.
You will need the patch below to fix this driver (compile tested
only). The include of mtdcore is a little ugly, but it should get
you going for now.
Regards
Greg
--- linux/drivers/mtd/nand/m5329.c.org 2015-12-03 00:19:18.324085936 +1000
+++ linux/drivers/mtd/nand/m5329.c 2015-12-03 00:27:49.644082361 +1000
@@ -27,6 +27,7 @@
#include <linux/mtd/partitions.h>
#include <asm/io.h>
#include <asm/mcfsim.h>
+#include "../mtdcore.h"
/*
* MTD structure for M5329EVB board
@@ -82,14 +83,14 @@
struct nand_chip *this;
/* Setup NAND flash chip select signals */
- MCF_FBCS2_CSAR = NAND_FLASH_ADDRESS;
- MCF_FBCS2_CSCR = (MCF_FBCS_CSCR_PS_8
- | MCF_FBCS_CSCR_BEM
- | MCF_FBCS_CSCR_AA
- | MCF_FBCS_CSCR_SBM
- | MCF_FBCS_CSCR_WS(7));
- MCF_FBCS2_CSMR = (MCF_FBCS_CSMR_BAM_16M
- | MCF_FBCS_CSMR_V);
+ writel(NAND_FLASH_ADDRESS, MCF_FBCS2_CSAR);
+ writel(MCF_FBCS_CSCR_PS_8
+ | MCF_FBCS_CSCR_BEM
+ | MCF_FBCS_CSCR_AA
+ | MCF_FBCS_CSCR_SBM
+ | MCF_FBCS_CSCR_WS(7),
+ MCF_FBCS2_CSCR);
+ writel(MCF_FBCS_CSMR_BAM_16M | MCF_FBCS_CSMR_V, MCF_FBCS2_CSMR);
/* Allocate memory for MTD device structure and private data */
m5329_mtd = kmalloc (sizeof(struct mtd_info)+sizeof (struct nand_chip),
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