diff for duplicates of <4E4EA70B.9050203@freescale.com> diff --git a/a/1.txt b/N1/1.txt index 242ac1e..c663c4b 100644 --- a/a/1.txt +++ b/N1/1.txt @@ -1,20 +1,28 @@ On 08/19/2011 03:57 AM, Matthieu CASTET wrote: -> LiuShuo a écrit : ->> 于 2011年08月19日 01:00, Matthieu CASTET 写道: ->>> b35362@freescale.com a écrit : +> LiuShuo a =C3=A9crit : +>> =E4=BA=8E 2011=E5=B9=B408=E6=9C=8819=E6=97=A5 01:00, Matthieu CASTET =E5= +=86=99=E9=81=93: +>>> b35362@freescale.com a =C3=A9crit : >>>> From: Liu Shuo<b35362@freescale.com> >>>> ->>>> Freescale FCM controller has a 2K size limitation of buffer RAM. In order ->>>> to support the Nand flash chip whose page size is larger than 2K bytes, ->>>> we divide a page into multi-2K pages for MTD layer driver. In that case, ->>>> we force to set the page size to 2K bytes. We convert the page address of ->>>> MTD layer driver to a real page address in flash chips and a column index ->>>> in fsl_elbc driver. We can issue any column address by UA instruction of +>>>> Freescale FCM controller has a 2K size limitation of buffer RAM. In = +order +>>>> to support the Nand flash chip whose page size is larger than 2K byt= +es, +>>>> we divide a page into multi-2K pages for MTD layer driver. In that c= +ase, +>>>> we force to set the page size to 2K bytes. We convert the page addre= +ss of +>>>> MTD layer driver to a real page address in flash chips and a column = +index +>>>> in fsl_elbc driver. We can issue any column address by UA instructio= +n of >>>> elbc controller. >>>> >>> Why do you need to do that ? >>> ->>> When mtd send you a 4k page, why can't you write it by 2*2k pages write ? +>>> When mtd send you a 4k page, why can't you write it by 2*2k pages wri= +te ? >> 1. It's easy to implement. >> 2. We don't need to move the data in buffer more times, because we >> want to use the HW_ECC. diff --git a/a/content_digest b/N1/content_digest index 98f66f5..3ea29d3 100644 --- a/a/content_digest +++ b/N1/content_digest @@ -13,22 +13,30 @@ "\00:1\0" "b\0" "On 08/19/2011 03:57 AM, Matthieu CASTET wrote:\n" - "> LiuShuo a \303\251crit :\n" - ">> \344\272\216 2011\345\271\26408\346\234\21019\346\227\245 01:00, Matthieu CASTET \345\206\231\351\201\223:\n" - ">>> b35362@freescale.com a \303\251crit :\n" + "> LiuShuo a =C3=A9crit :\n" + ">> =E4=BA=8E 2011=E5=B9=B408=E6=9C=8819=E6=97=A5 01:00, Matthieu CASTET =E5=\n" + "=86=99=E9=81=93:\n" + ">>> b35362@freescale.com a =C3=A9crit :\n" ">>>> From: Liu Shuo<b35362@freescale.com>\n" ">>>>\n" - ">>>> Freescale FCM controller has a 2K size limitation of buffer RAM. In order\n" - ">>>> to support the Nand flash chip whose page size is larger than 2K bytes,\n" - ">>>> we divide a page into multi-2K pages for MTD layer driver. In that case,\n" - ">>>> we force to set the page size to 2K bytes. We convert the page address of\n" - ">>>> MTD layer driver to a real page address in flash chips and a column index\n" - ">>>> in fsl_elbc driver. We can issue any column address by UA instruction of\n" + ">>>> Freescale FCM controller has a 2K size limitation of buffer RAM. In =\n" + "order\n" + ">>>> to support the Nand flash chip whose page size is larger than 2K byt=\n" + "es,\n" + ">>>> we divide a page into multi-2K pages for MTD layer driver. In that c=\n" + "ase,\n" + ">>>> we force to set the page size to 2K bytes. We convert the page addre=\n" + "ss of\n" + ">>>> MTD layer driver to a real page address in flash chips and a column =\n" + "index\n" + ">>>> in fsl_elbc driver. We can issue any column address by UA instructio=\n" + "n of\n" ">>>> elbc controller.\n" ">>>>\n" ">>> Why do you need to do that ?\n" ">>>\n" - ">>> When mtd send you a 4k page, why can't you write it by 2*2k pages write ?\n" + ">>> When mtd send you a 4k page, why can't you write it by 2*2k pages wri=\n" + "te ?\n" ">> 1. It's easy to implement.\n" ">> 2. We don't need to move the data in buffer more times, because we\n" ">> want to use the HW_ECC.\n" @@ -47,4 +55,4 @@ "\n" -Scott -d37be4b7eb56ffd7ca2b30adc478f1cbf270598c602a3f28fc0ee1930a297b68 +91f813e124b11a7d7fb2e3055c20c0d6a48e82685df6ca141000bf24dd52b2b7
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