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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/xtensa/platforms/xtfpga/include
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/xtensa/platforms/xtfpga/include')
-rw-r--r--arch/xtensa/platforms/xtfpga/include/platform/hardware.h60
-rw-r--r--arch/xtensa/platforms/xtfpga/include/platform/lcd.h35
-rw-r--r--arch/xtensa/platforms/xtfpga/include/platform/serial.h18
3 files changed, 113 insertions, 0 deletions
diff --git a/arch/xtensa/platforms/xtfpga/include/platform/hardware.h b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h
new file mode 100644
index 000000000..30d9cb6cf
--- /dev/null
+++ b/arch/xtensa/platforms/xtfpga/include/platform/hardware.h
@@ -0,0 +1,60 @@
+/*
+ * arch/xtensa/platform/xtavnet/include/platform/hardware.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006 Tensilica Inc.
+ */
+
+/*
+ * This file contains the hardware configuration of the XTAVNET boards.
+ */
+
+#include <asm/types.h>
+
+#ifndef __XTENSA_XTAVNET_HARDWARE_H
+#define __XTENSA_XTAVNET_HARDWARE_H
+
+/* Default assignment of LX60 devices to external interrupts. */
+
+#ifdef CONFIG_XTENSA_MX
+#define DUART16552_INTNUM XCHAL_EXTINT3_NUM
+#define OETH_IRQ XCHAL_EXTINT4_NUM
+#define C67X00_IRQ XCHAL_EXTINT8_NUM
+#else
+#define DUART16552_INTNUM XCHAL_EXTINT0_NUM
+#define OETH_IRQ XCHAL_EXTINT1_NUM
+#define C67X00_IRQ XCHAL_EXTINT5_NUM
+#endif
+
+/*
+ * Device addresses and parameters.
+ */
+
+/* UART */
+#define DUART16552_PADDR (XCHAL_KIO_PADDR + 0x0D050020)
+
+/* Misc. */
+#define XTFPGA_FPGAREGS_VADDR IOADDR(0x0D020000)
+/* Clock frequency in Hz (read-only): */
+#define XTFPGA_CLKFRQ_VADDR (XTFPGA_FPGAREGS_VADDR + 0x04)
+/* Setting of 8 DIP switches: */
+#define DIP_SWITCHES_VADDR (XTFPGA_FPGAREGS_VADDR + 0x0C)
+/* Software reset (write 0xdead): */
+#define XTFPGA_SWRST_VADDR (XTFPGA_FPGAREGS_VADDR + 0x10)
+
+/* OpenCores Ethernet controller: */
+ /* regs + RX/TX descriptors */
+#define OETH_REGS_PADDR (XCHAL_KIO_PADDR + 0x0D030000)
+#define OETH_REGS_SIZE 0x1000
+#define OETH_SRAMBUFF_PADDR (XCHAL_KIO_PADDR + 0x0D800000)
+
+ /* 5*rx buffs + 5*tx buffs */
+#define OETH_SRAMBUFF_SIZE (5 * 0x600 + 5 * 0x600)
+
+#define C67X00_PADDR (XCHAL_KIO_PADDR + 0x0D0D0000)
+#define C67X00_SIZE 0x10
+
+#endif /* __XTENSA_XTAVNET_HARDWARE_H */
diff --git a/arch/xtensa/platforms/xtfpga/include/platform/lcd.h b/arch/xtensa/platforms/xtfpga/include/platform/lcd.h
new file mode 100644
index 000000000..4c8541ed1
--- /dev/null
+++ b/arch/xtensa/platforms/xtfpga/include/platform/lcd.h
@@ -0,0 +1,35 @@
+/*
+ * arch/xtensa/platform/xtavnet/include/platform/lcd.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001, 2006 Tensilica Inc.
+ */
+
+#ifndef __XTENSA_XTAVNET_LCD_H
+#define __XTENSA_XTAVNET_LCD_H
+
+#ifdef CONFIG_XTFPGA_LCD
+/* Display string STR at position POS on the LCD. */
+void lcd_disp_at_pos(char *str, unsigned char pos);
+
+/* Shift the contents of the LCD display left or right. */
+void lcd_shiftleft(void);
+void lcd_shiftright(void);
+#else
+static inline void lcd_disp_at_pos(char *str, unsigned char pos)
+{
+}
+
+static inline void lcd_shiftleft(void)
+{
+}
+
+static inline void lcd_shiftright(void)
+{
+}
+#endif
+
+#endif
diff --git a/arch/xtensa/platforms/xtfpga/include/platform/serial.h b/arch/xtensa/platforms/xtfpga/include/platform/serial.h
new file mode 100644
index 000000000..14d8f7bee
--- /dev/null
+++ b/arch/xtensa/platforms/xtfpga/include/platform/serial.h
@@ -0,0 +1,18 @@
+/*
+ * arch/xtensa/platform/xtavnet/include/platform/serial.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001, 2006 Tensilica Inc.
+ */
+
+#ifndef __ASM_XTENSA_XTAVNET_SERIAL_H
+#define __ASM_XTENSA_XTAVNET_SERIAL_H
+
+#include <platform/hardware.h>
+
+#define BASE_BAUD (*(long *)XTFPGA_CLKFRQ_VADDR / 16)
+
+#endif /* __ASM_XTENSA_XTAVNET_SERIAL_H */