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authorZachary T Welch <zw@superlucidity.net>2009-11-27 09:29:07 -0800
committerZachary T Welch <zw@superlucidity.net>2009-11-28 13:00:39 -0800
commit01f93137c4c9d2aedd57a715be46d2809c316811 (patch)
tree5608ada173f88a4af26e9d637ab38510a46aab86 /src
parentcdfdcb28549174a2346fc91ec95a1c620c568cad (diff)
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add 'nonce' nand driver
The nonce NAND driver provides a no-op implementation useful for testing the system independently of any driver side-effects.
Diffstat (limited to 'src')
-rw-r--r--src/flash/Makefile.am1
-rw-r--r--src/flash/nand.c2
-rw-r--r--src/flash/nonce_nand.c80
3 files changed, 83 insertions, 0 deletions
diff --git a/src/flash/Makefile.am b/src/flash/Makefile.am
index 84032302..94cc86e5 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 895abe31..94cec8d5 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 00000000..dae62a72
--- /dev/null
+++ b/src/flash/nonce_nand.c
@@ -0,0 +1,80 @@
+/***************************************************************************
+ * Copyright (C) 2009 Zachary T Welch <zw@superlucidity.net> *
+ * *
+ * 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,
+};