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authorWolfgang Denk <wd@denx.de>2007-06-06 16:18:01 +0200
committerWolfgang Denk <wd@denx.de>2007-06-06 16:18:01 +0200
commitd1246a4bb1ae9502ff540291423f1bb02d1e808c (patch)
tree3e71ba3824187fc2334d906ed87cb22f922b9169 /include/asm-arm
parent1cf67563333b1ae12e9fe19fcdff0c9b220e822a (diff)
parent7bfebfe484137afcbc0b5e39928dd6243ae3ef68 (diff)
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Merge with /home/wd/git/u-boot/custodian/u-boot-arm
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/arch-arm720t/hardware.h2
-rw-r--r--include/asm-arm/arch-lpc2292/hardware.h33
-rw-r--r--include/asm-arm/arch-lpc2292/lpc2292_registers.h (renamed from include/asm-arm/arch-arm720t/lpc2292_registers.h)0
-rw-r--r--include/asm-arm/arch-lpc2292/mmc.h (renamed from include/asm-arm/arch-arm720t/mmc.h)0
-rw-r--r--include/asm-arm/arch-lpc2292/spi.h82
5 files changed, 115 insertions, 2 deletions
diff --git a/include/asm-arm/arch-arm720t/hardware.h b/include/asm-arm/arch-arm720t/hardware.h
index 1e9cd41..3056ca7 100644
--- a/include/asm-arm/arch-arm720t/hardware.h
+++ b/include/asm-arm/arch-arm720t/hardware.h
@@ -36,8 +36,6 @@
/* include armadillo specific hardware file if there was one */
#elif defined(CONFIG_INTEGRATOR) && defined(CONFIG_ARCH_INTEGRATOR)
/* include IntegratorCP/CM720T specific hardware file if there was one */
-#elif defined(CONFIG_LPC2292)
-#include <asm-arm/arch-arm720t/lpc2292_registers.h>
#else
#error No hardware file defined for this configuration
#endif
diff --git a/include/asm-arm/arch-lpc2292/hardware.h b/include/asm-arm/arch-lpc2292/hardware.h
new file mode 100644
index 0000000..fd2b464
--- /dev/null
+++ b/include/asm-arm/arch-lpc2292/hardware.h
@@ -0,0 +1,33 @@
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+/*
+ * Copyright (c) 2004 Cucy Systems (http://www.cucy.com)
+ * Curt Brune <curt@cucy.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#if defined(CONFIG_LPC2292)
+#include <asm-arm/arch-lpc2292/lpc2292_registers.h>
+#else
+#error No hardware file defined for this configuration
+#endif
+
+#endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/include/asm-arm/arch-arm720t/lpc2292_registers.h b/include/asm-arm/arch-lpc2292/lpc2292_registers.h
index 5715f3e..5715f3e 100644
--- a/include/asm-arm/arch-arm720t/lpc2292_registers.h
+++ b/include/asm-arm/arch-lpc2292/lpc2292_registers.h
diff --git a/include/asm-arm/arch-arm720t/mmc.h b/include/asm-arm/arch-lpc2292/mmc.h
index e664a5f..e664a5f 100644
--- a/include/asm-arm/arch-arm720t/mmc.h
+++ b/include/asm-arm/arch-lpc2292/mmc.h
diff --git a/include/asm-arm/arch-lpc2292/spi.h b/include/asm-arm/arch-lpc2292/spi.h
new file mode 100644
index 0000000..6ae66e8
--- /dev/null
+++ b/include/asm-arm/arch-lpc2292/spi.h
@@ -0,0 +1,82 @@
+/*
+ This file defines the interface to the lpc22xx SPI module.
+ Copyright (C) 2006 Embedded Artists AB (www.embeddedartists.com)
+
+ This file may be included in software not adhering to the GPL.
+
+ 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
+*/
+
+#ifndef SPI_H
+#define SPI_H
+
+#include <config.h>
+#include <common.h>
+#include <asm/errno.h>
+#include <asm/arch/hardware.h>
+
+#define SPIF 0x80
+
+#define spi_lock() disable_interrupts();
+#define spi_unlock() enable_interrupts();
+
+extern unsigned long spi_flags;
+extern unsigned char spi_idle;
+
+int spi_init(void);
+
+static inline unsigned char spi_read(void)
+{
+ unsigned char b;
+
+ PUT8(S0SPDR, spi_idle);
+ while (!(GET8(S0SPSR) & SPIF));
+ b = GET8(S0SPDR);
+
+ return b;
+}
+
+static inline void spi_write(unsigned char b)
+{
+ PUT8(S0SPDR, b);
+ while (!(GET8(S0SPSR) & SPIF));
+ GET8(S0SPDR); /* this will clear the SPIF bit */
+}
+
+static inline void spi_set_clock(unsigned char clk_value)
+{
+ PUT8(S0SPCCR, clk_value);
+}
+
+static inline void spi_set_cfg(unsigned char phase,
+ unsigned char polarity,
+ unsigned char lsbf)
+{
+ unsigned char v = 0x20; /* master bit set */
+
+ if (phase)
+ v |= 0x08; /* set phase bit */
+ if (polarity) {
+ v |= 0x10; /* set polarity bit */
+ spi_idle = 0xFF;
+ } else {
+ spi_idle = 0x00;
+ }
+ if (lsbf)
+ v |= 0x40; /* set lsbf bit */
+
+ PUT8(S0SPCR, v);
+}
+#endif /* SPI_H */