Reorganized firmware/ subdirectory (x300->usrp3, zpu->usrp2)

1 files changed, 70 insertions, 0 deletions

diff --git a/firmware/usrp2/usrp2p/spi_flash_private.h b/firmware/usrp2/usrp2p/spi_flash_private.h
new file mode 100644
index 000000000..6bf06fda8
--- /dev/null
+++ b/firmware/usrp2/usrp2p/spi_flash_private.h
@@ -0,0 +1,70 @@
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 Free Software Foundation, Inc.
+ * Copyright 2009-2011 Ettus Research LLC
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDED_SPI_FLASH_PRIVATE_H
+#define INCLUDED_SPI_FLASH_PRIVATE_H
+
+#include "spi_flash.h"
+#include "spi.h"
+#include "memory_map.h"
+#include <string.h>
+
+
+/* M25P64 et al. */
+
+#define	WREN_CMD	0x06	// write enable
+#define	WRDI_CMD	0x04	// write disable
+#define	RDID_CMD	0x9f	// read identification
+#define	RDSR_CMD	0x05	// read status register
+#define WRSR_CMD	0x01	// write status register
+#define	READ_CMD	0x03
+#define	FAST_READ_CMD	0x0b
+#define	PP_CMD		0x02	// page program (256 bytes)
+#define	SE_CMD		0xd8	// sector erase (64KB)
+#define	BE_CMD		0xc7	// bulk erase (all)
+#define	RES_CMD		0xab	// read electronic sig (deprecated)
+
+/* Status register bits */
+
+#define	SR_SRWD		0x80
+#define	SR_BP2		0x10	// block protect bit 2
+#define	SR_BP1		0x08	// block protect bit 1
+#define	SR_BP0		0x04	// block protect bit 0
+#define	SR_WEL		0x02	// Write Enable Latch
+#define	SR_WIP		0x01	// Write in Progress.  Set if busy w/ program or erase cycle.
+
+
+#define	FLAGS (SPIF_PUSH_FALL | SPIF_LATCH_RISE)
+
+#define LEN(x) ((x) & SPI_CTRL_CHAR_LEN_MASK)
+
+
+static inline uint32_t
+min(uint32_t a, uint32_t b)
+{
+  return a < b ? a : b;
+}
+
+static inline uint32_t
+round_down(uint32_t x, uint32_t power_of_2)
+{
+  return x & -power_of_2;
+}
+
+#endif /* INCLUDED_SPI_FLASH_PRIVATE_H */