diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/flash/nand/Makefile.am | 1 | ||||
| -rw-r--r-- | src/flash/nand/driver.c | 2 | ||||
| -rw-r--r-- | src/flash/nand/s3c6400.c | 76 |
3 files changed, 79 insertions, 0 deletions
diff --git a/src/flash/nand/Makefile.am b/src/flash/nand/Makefile.am index 2ffa4c49..a495dfdc 100644 --- a/src/flash/nand/Makefile.am +++ b/src/flash/nand/Makefile.am @@ -25,6 +25,7 @@ NAND_DRIVERS = \ s3c2412.c \ s3c2440.c \ s3c2443.c \ + s3c6400.c \ at91sam9.c noinst_HEADERS = \ diff --git a/src/flash/nand/driver.c b/src/flash/nand/driver.c index 0e174b23..1c28dbc8 100644 --- a/src/flash/nand/driver.c +++ b/src/flash/nand/driver.c @@ -36,6 +36,7 @@ extern struct nand_flash_controller s3c2410_nand_controller; extern struct nand_flash_controller s3c2412_nand_controller; extern struct nand_flash_controller s3c2440_nand_controller; extern struct nand_flash_controller s3c2443_nand_controller; +extern struct nand_flash_controller s3c6400_nand_controller; extern struct nand_flash_controller imx31_nand_flash_controller; extern struct nand_flash_controller at91sam9_nand_controller; @@ -51,6 +52,7 @@ static struct nand_flash_controller *nand_flash_controllers[] = &s3c2412_nand_controller, &s3c2440_nand_controller, &s3c2443_nand_controller, + &s3c6400_nand_controller, &imx31_nand_flash_controller, &at91sam9_nand_controller, /* &boundary_scan_nand_controller, */ diff --git a/src/flash/nand/s3c6400.c b/src/flash/nand/s3c6400.c new file mode 100644 index 00000000..20b6cc17 --- /dev/null +++ b/src/flash/nand/s3c6400.c @@ -0,0 +1,76 @@ +/*************************************************************************** + * Copyright (C) 2010 by Peter Korsgaard <jacmet@sunsite.dk> * + * Heavily based on s3c2412.c by Ben Dooks <ben@fluff.org> * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program is distributed in the hope that it will be useful, * + * but WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * + * GNU General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * + ***************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "s3c24xx.h" +/* s3c64xx uses another base address for the nand controller than 24xx */ +#undef S3C2410_NFREG +#define S3C2410_NFREG(x) ((x) + 0x70200000) + +NAND_DEVICE_COMMAND_HANDLER(s3c6400_nand_device_command) +{ + struct s3c24xx_nand_controller *info; + CALL_S3C24XX_DEVICE_COMMAND(nand, &info); + + /* fill in the address fields for the core device */ + info->cmd = S3C2440_NFCMD; + info->addr = S3C2440_NFADDR; + info->data = S3C2440_NFDATA; + info->nfstat = S3C2412_NFSTAT; + + return ERROR_OK; +} + +static int s3c6400_init(struct nand_device *nand) +{ + struct s3c24xx_nand_controller *s3c24xx_info = nand->controller_priv; + struct target *target = s3c24xx_info->target; + + target_write_u32(target, S3C2410_NFCONF, + S3C2440_NFCONF_TACLS(3) | + S3C2440_NFCONF_TWRPH0(7) | + S3C2440_NFCONF_TWRPH1(7) | 4); + + target_write_u32(target, S3C2440_NFCONT, + S3C2412_NFCONT_INIT_MAIN_ECC | + S3C2440_NFCONT_ENABLE); + + return ERROR_OK; +} + +struct nand_flash_controller s3c6400_nand_controller = { + .name = "s3c6400", + .nand_device_command = &s3c6400_nand_device_command, + .init = &s3c6400_init, + .reset = &s3c24xx_reset, + .command = &s3c24xx_command, + .address = &s3c24xx_address, + .write_data = &s3c24xx_write_data, + .read_data = &s3c24xx_read_data, + .write_page = s3c24xx_write_page, + .read_page = s3c24xx_read_page, + .write_block_data = &s3c2440_write_block_data, + .read_block_data = &s3c2440_read_block_data, + .controller_ready = &s3c24xx_controller_ready, + .nand_ready = &s3c2440_nand_ready, + }; |