Separate out the proc- and unit-specific header directories from the general

MN10300 arch headers and place them instead in the same directories as contain
the .c files for the processor and unit implementations.

This permits the symlinks include/asm/proc and include/asm/unit to be
dispensed with.  This does, however, require that #include <asm/proc/xxx.h> be
converted to #include <proc/xxx.h> and similarly for asm/unit -> unit.

Signed-off-by: David Howells <dhowells@redhat.com>

1 files changed, 136 insertions, 0 deletions

diff --git a/arch/mn10300/unit-asb2303/include/unit/serial.h b/arch/mn10300/unit-asb2303/include/unit/serial.h
new file mode 100644
index 000000000000..047566cd2e36
--- /dev/null
+++ b/arch/mn10300/unit-asb2303/include/unit/serial.h
@@ -0,0 +1,136 @@
+/* ASB2303-specific 8250 serial ports
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _ASM_UNIT_SERIAL_H
+#define _ASM_UNIT_SERIAL_H
+
+#include <asm/cpu-regs.h>
+#include <proc/irq.h>
+#include <linux/serial_reg.h>
+
+#define SERIAL_PORT0_BASE_ADDRESS	0xA6FB0000
+#define SERIAL_PORT1_BASE_ADDRESS	0xA6FC0000
+
+#define SERIAL_IRQ	XIRQ0	/* Dual serial (PC16552)	(Hi) */
+
+/*
+ * dispose of the /dev/ttyS0 and /dev/ttyS1 serial ports
+ */
+#ifndef CONFIG_GDBSTUB_ON_TTYSx
+
+#define SERIAL_PORT_DFNS						\
+	{								\
+	.baud_base		= BASE_BAUD,				\
+	.irq			= SERIAL_IRQ,				\
+	.flags			= STD_COM_FLAGS,			\
+	.iomem_base		= (u8 *) SERIAL_PORT0_BASE_ADDRESS,	\
+	.iomem_reg_shift	= 2,					\
+	.io_type		= SERIAL_IO_MEM,			\
+	},								\
+	{								\
+	.baud_base		= BASE_BAUD,				\
+	.irq			= SERIAL_IRQ,				\
+	.flags			= STD_COM_FLAGS,			\
+	.iomem_base		= (u8 *) SERIAL_PORT1_BASE_ADDRESS,	\
+	.iomem_reg_shift	= 2,					\
+	.io_type		= SERIAL_IO_MEM,			\
+	},
+
+#ifndef __ASSEMBLY__
+
+static inline void __debug_to_serial(const char *p, int n)
+{
+}
+
+#endif /* !__ASSEMBLY__ */
+
+#else /* CONFIG_GDBSTUB_ON_TTYSx */
+
+#define SERIAL_PORT_DFNS /* both stolen by gdb-stub because they share an IRQ */
+
+#if defined(CONFIG_GDBSTUB_ON_TTYS0)
+#define GDBPORT_SERIAL_RX	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_RX  * 4, u8)
+#define GDBPORT_SERIAL_TX	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_TX  * 4, u8)
+#define GDBPORT_SERIAL_DLL	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLL * 4, u8)
+#define GDBPORT_SERIAL_DLM	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_DLM * 4, u8)
+#define GDBPORT_SERIAL_IER	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IER * 4, u8)
+#define GDBPORT_SERIAL_IIR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_IIR * 4, u8)
+#define GDBPORT_SERIAL_FCR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_FCR * 4, u8)
+#define GDBPORT_SERIAL_LCR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LCR * 4, u8)
+#define GDBPORT_SERIAL_MCR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MCR * 4, u8)
+#define GDBPORT_SERIAL_LSR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_LSR * 4, u8)
+#define GDBPORT_SERIAL_MSR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_MSR * 4, u8)
+#define GDBPORT_SERIAL_SCR	__SYSREG(SERIAL_PORT0_BASE_ADDRESS + UART_SCR * 4, u8)
+#define GDBPORT_SERIAL_IRQ	SERIAL_IRQ
+
+#elif defined(CONFIG_GDBSTUB_ON_TTYS1)
+#define GDBPORT_SERIAL_RX	__SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_RX  * 4, u8)
+#define GDBPORT_SERIAL_TX	__SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_TX  * 4, u8)
+#define GDBPORT_SERIAL_DLL	__SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_DLL * 4, u8)
+#define GDBPORT_SERIAL_DLM	__SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_DLM * 4, u8)
+#define GDBPORT_SERIAL_IER	__SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_IER * 4, u8)
+#define GDBPORT_SERIAL_IIR	__SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_IIR * 4, u8)
+#define GDBPORT_SERIAL_FCR	__SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_FCR * 4, u8)
+#define GDBPORT_SERIAL_LCR	__SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_LCR * 4, u8)
+#define GDBPORT_SERIAL_MCR	__SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_MCR * 4, u8)
+#define GDBPORT_SERIAL_LSR	__SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_LSR * 4, u8)
+#define GDBPORT_SERIAL_MSR	__SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_MSR * 4, u8)
+#define GDBPORT_SERIAL_SCR	__SYSREG(SERIAL_PORT1_BASE_ADDRESS + UART_SCR * 4, u8)
+#define GDBPORT_SERIAL_IRQ	SERIAL_IRQ
+#endif
+
+#ifndef __ASSEMBLY__
+
+#define LSR_WAIT_FOR(STATE)					\
+do {								\
+	while (!(GDBPORT_SERIAL_LSR & UART_LSR_##STATE)) {}	\
+} while (0)
+#define FLOWCTL_WAIT_FOR(LINE)					\
+do {								\
+	while (!(GDBPORT_SERIAL_MSR & UART_MSR_##LINE)) {}	\
+} while (0)
+#define FLOWCTL_CLEAR(LINE)			\
+do {						\
+	GDBPORT_SERIAL_MCR &= ~UART_MCR_##LINE;	\
+} while (0)
+#define FLOWCTL_SET(LINE)			\
+do {						\
+	GDBPORT_SERIAL_MCR |= UART_MCR_##LINE;	\
+} while (0)
+#define FLOWCTL_QUERY(LINE)	({ GDBPORT_SERIAL_MSR & UART_MSR_##LINE; })
+
+static inline void __debug_to_serial(const char *p, int n)
+{
+	char ch;
+
+	FLOWCTL_SET(DTR);
+
+	for (; n > 0; n--) {
+		LSR_WAIT_FOR(THRE);
+		FLOWCTL_WAIT_FOR(CTS);
+
+		ch = *p++;
+		if (ch == 0x0a) {
+			GDBPORT_SERIAL_TX = 0x0d;
+			LSR_WAIT_FOR(THRE);
+			FLOWCTL_WAIT_FOR(CTS);
+		}
+		GDBPORT_SERIAL_TX = ch;
+	}
+
+	FLOWCTL_CLEAR(DTR);
+}
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* CONFIG_GDBSTUB_ON_TTYSx */
+
+#endif /* _ASM_UNIT_SERIAL_H */