From 01f93137c4c9d2aedd57a715be46d2809c316811 Mon Sep 17 00:00:00 2001 From: Zachary T Welch Date: Fri, 27 Nov 2009 09:29:07 -0800 Subject: [PATCH] add 'nonce' nand driver The nonce NAND driver provides a no-op implementation useful for testing the system independently of any driver side-effects. --- src/flash/Makefile.am | 1 + src/flash/nand.c | 2 ++ src/flash/nonce_nand.c | 80 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 83 insertions(+) create mode 100644 src/flash/nonce_nand.c diff --git a/src/flash/Makefile.am b/src/flash/Makefile.am index 840323028c..94cc86e5c7 100644 --- a/src/flash/Makefile.am +++ b/src/flash/Makefile.am @@ -44,6 +44,7 @@ NAND_SRCS = \ nand.c NAND_DEVICES_SRCS = \ + nonce_nand.c \ davinci_nand.c \ lpc3180_nand_controller.c \ mx3_nand.c \ diff --git a/src/flash/nand.c b/src/flash/nand.c index 895abe3101..94cec8d598 100644 --- a/src/flash/nand.c +++ b/src/flash/nand.c @@ -36,6 +36,7 @@ static int nand_write_page(struct nand_device *nand, uint32_t page, uint8_t *dat /* NAND flash controller */ +extern struct nand_flash_controller nonce_nand_controller; extern struct nand_flash_controller davinci_nand_controller; extern struct nand_flash_controller lpc3180_nand_controller; extern struct nand_flash_controller orion_nand_controller; @@ -49,6 +50,7 @@ extern struct nand_flash_controller imx31_nand_flash_controller; static struct nand_flash_controller *nand_flash_controllers[] = { + &nonce_nand_controller, &davinci_nand_controller, &lpc3180_nand_controller, &orion_nand_controller, diff --git a/src/flash/nonce_nand.c b/src/flash/nonce_nand.c new file mode 100644 index 0000000000..dae62a72d0 --- /dev/null +++ b/src/flash/nonce_nand.c @@ -0,0 +1,80 @@ +/*************************************************************************** + * Copyright (C) 2009 Zachary T Welch * + * * + * 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 "nand.h" + + +static int nonce_nand_command(struct nand_device *nand, uint8_t command) +{ + return ERROR_OK; +} +static int nonce_nand_address(struct nand_device *nand, uint8_t address) +{ + return ERROR_OK; +} +static int nonce_nand_read(struct nand_device *nand, void *data) +{ + return ERROR_OK; +} +static int nonce_nand_write(struct nand_device *nand, uint16_t data) +{ + return ERROR_OK; +} +static int nonce_nand_fast_block_write(struct nand_device *nand, + uint8_t *data, int size) +{ + return ERROR_OK; +} + +static int nonce_nand_reset(struct nand_device *nand) +{ + return nonce_nand_command(nand, NAND_CMD_RESET); +} + +static int nonce_nand_controller_ready(struct nand_device *nand, int timeout) +{ + return true; +} + +NAND_DEVICE_COMMAND_HANDLER(nonce_nand_device_command) +{ + return ERROR_OK; +} + +static int nonce_nand_init(struct nand_device *nand) +{ + return ERROR_OK; +} + +struct nand_flash_controller nonce_nand_controller = +{ + .name = "nonce", + .nand_device_command = &nonce_nand_device_command, + .init = &nonce_nand_init, + .reset = &nonce_nand_reset, + .command = &nonce_nand_command, + .address = &nonce_nand_address, + .read_data = &nonce_nand_read, + .write_data = &nonce_nand_write, + .write_block_data = &nonce_nand_fast_block_write, + .controller_ready = &nonce_nand_controller_ready, +}; -- 2.30.2