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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-07-23 14:17:54 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-07-24 08:45:30 +0200 |
| commit | 55eb21d10ad8bb3668a023b1f64c7593cfe103e3 (patch) | |
| tree | 1e6f5a28e871b4c2c6c35ed06b27608f41f80696 /arch | |
| parent | 304ef1f1d701c47a3d993e233a1875a7805f65f7 (diff) | |
| download | barebox-55eb21d10ad8bb3668a023b1f64c7593cfe103e3.tar.gz barebox-55eb21d10ad8bb3668a023b1f64c7593cfe103e3.tar.xz | |
ARM: i.MX5: internal NAND update: Use variables for some constants
Instead oof using the same constants multiple times use a variable
to make the meaning of the constants clear.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-imx/imx-bbu-internal.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/arm/mach-imx/imx-bbu-internal.c b/arch/arm/mach-imx/imx-bbu-internal.c index a5cb7e72b6..d90d92b714 100644 --- a/arch/arm/mach-imx/imx-bbu-internal.c +++ b/arch/arm/mach-imx/imx-bbu-internal.c @@ -178,6 +178,9 @@ static int imx_bbu_internal_v2_write_nand_dbbt(struct imx_internal_bbu_handler * uint32_t *ptr, *num_bb, *bb; uint64_t offset; int block = 0, len, now, blocksize; + int dbbt_start_page = 4; + int firmware_start_page = 12; + void *dbbt_base; int pre_image_size; ret = stat(data->devicefile, &s); @@ -194,7 +197,7 @@ static int imx_bbu_internal_v2_write_nand_dbbt(struct imx_internal_bbu_handler * if (ret) goto out; - pre_image_size = 12 * meminfo.writesize; + pre_image_size = firmware_start_page * meminfo.writesize; blocksize = meminfo.erasesize; @@ -203,23 +206,24 @@ static int imx_bbu_internal_v2_write_nand_dbbt(struct imx_internal_bbu_handler * *ptr++ = 1; /* FCB version */ ptr = image + 0x68; /* Firmware start page */ - *ptr = 12; + *ptr = firmware_start_page; ptr = image + 0x78; /* DBBT start page */ - *ptr = 4; + *ptr = dbbt_start_page; - ptr = image + 4 * 2048 + 4; + dbbt_base = image + dbbt_start_page * meminfo.writesize; + ptr = dbbt_base + 4; *ptr++ = DBBT_MAGIC; /* DBBT */ *ptr = 1; /* DBBT version */ - ptr = (u32*)(image + 0x2010); + ptr = (u32*)(dbbt_base + 0x10); /* * This is marked as reserved in the i.MX53 reference manual, but * must be != 0. Otherwise the ROM ignores the DBBT */ *ptr = 1; - ptr = (u32*)(image + 0x4004); /* start of DBBT */ + ptr = (u32*)(dbbt_base + 4 * meminfo.writesize + 4); /* start of DBBT */ num_bb = ptr; bb = ptr + 1; offset = 0; |