Date: Thu, 3 Jan 2008 10:15:28 GMT From: Andrew Turner <andrew@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 132385 for review Message-ID: <200801031015.m03AFSNS026302@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=132385 Change 132385 by andrew@andrew_hermies on 2008/01/03 10:15:21 Add the start of a NAND driver based on one written by John Birrell (jb@) Affected files ... .. //depot/projects/arm/src/sys/arm/s3c2xx0/files.s3c2xx0#3 edit .. //depot/projects/arm/src/sys/arm/s3c2xx0/s3c2410.c#7 edit .. //depot/projects/arm/src/sys/arm/s3c2xx0/s3c2410reg.h#2 edit .. //depot/projects/arm/src/sys/arm/s3c2xx0/s3c24x0_nand.c#1 add Differences ... ==== //depot/projects/arm/src/sys/arm/s3c2xx0/files.s3c2xx0#3 (text+ko) ==== @@ -4,6 +4,7 @@ arm/s3c2xx0/s3c2410.c standard arm/s3c2xx0/s3c2xx0_space.c standard arm/s3c2xx0/s3c24x0_clk.c standard +arm/s3c2xx0/s3c24x0_nand.c optional nand arm/s3c2xx0/uart_bus_s3c2410.c optional uart arm/s3c2xx0/uart_cpu_s3c2410.c optional uart arm/s3c2xx0/uart_dev_s3c2410.c optional uart ==== //depot/projects/arm/src/sys/arm/s3c2xx0/s3c2410.c#7 (text+ko) ==== @@ -200,6 +200,7 @@ rman_manage_region(&s3c2xx0_softc->s3c2xx0_rman, 0, 32) != 0) panic("s3c2410_attach: failed to set up rman"); device_add_child(dev, "timer", 0); + device_add_child(dev, "nand", 0); bus_generic_probe(dev); bus_generic_attach(dev); ==== //depot/projects/arm/src/sys/arm/s3c2xx0/s3c2410reg.h#2 (text+ko) ==== @@ -141,10 +141,17 @@ /* NAND Flash controller */ #define NANDFC_NFCONF 0x00 /* Configuration */ +#define NFCONF_ENABLE (1<<15) /* NAND controller enabled */ +#define NFCONF_ECC (1<<12) /* Initialize ECC decoder/encoder */ +#define NFCONF_FCE (1<<11) /* Flash chip enabled */ +#define NFCONF_TACLS (7<<8) /* CLE and ALE duration */ +#define NFCONF_TWRPH0 (7<<4) /* TWRPH0 duration */ +#define NFCONF_TWRPH1 (7<<0) /* TWRPH1 duration */ #define NANDFC_NFCMD 0x04 /* command */ #define NANDFC_NFADDR 0x08 /* address */ #define NANDFC_NFDATA 0x0c /* data */ #define NANDFC_NFSTAT 0x10 /* operation status */ +#define NFSTAT_READY (1<<0) /* NAND flash memory ready/busy status */ #define NANDFC_NFECC 0x14 /* ecc */ /* GPIO */
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