Initial commit

include/l4/platform/pb926/debug-macro.S

@@ -0,0 +1,47 @@
+#ifndef __DEBUG_MACRO_S__
+#define __DEBUG_MACRO_S__
+
+#include INC_PLAT(offsets.h)
+
+#define UART01x_DR		0x00
+/*
+ *  linux/arch/arm/kernel/debug.S
+ *
+ *  Copyright (C) 1994-1999 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  32-bit debugging code
+ */
+		.macro	addruart,rx
+		mrc	p15, 0, \rx, c1, c0
+		tst	\rx, #1			@ MMU enabled?
+		moveq	\rx,      #0x10000000
+		orreq	\rx, \rx, #0x001F0000
+		orreq	\rx, \rx, #0x00001000
+		/* FIXME: This offset is incorrect for now. Make sure you pass correct offset */
+		movne	\rx,      #0xf9000000 @#IO_AREA0_VADDR
+		@movne	\rx,      #IO_AREA0_VADDR
+		addne	\rx, \rx, #PB926_UART0_VOFFSET	@ UART0 page offset from
+							@ virtual io area base.
+		.endm
+
+		.macro	senduart,rd,rx
+		strb	\rd, [\rx, #UART01x_DR]
+		.endm
+
+		.macro	waituart,rd,rx
+1001:		ldr	\rd, [\rx, #0x18]	@ UARTFLG
+		tst	\rd, #1 << 5		@ UARTFLGUTXFF - 1 when full
+		bne	1001b
+		.endm
+
+		.macro	busyuart,rd,rx
+1001:		ldr	\rd, [\rx, #0x18]	@ UARTFLG
+		tst	\rd, #1 << 3		@ UARTFLGUBUSY - 1 when busy
+		bne	1001b
+		.endm
+
+#endif /* __DEBUG_MACRO_S__ */

include/l4/platform/pb926/irq.h

@@ -0,0 +1,27 @@
+#ifndef __PLATFORM_IRQ_H__
+#define __PLATFORM_IRQ_H__
+
+#define IRQ_CHIPS_MAX				2
+#define IRQS_MAX				64
+
+/* IRQ indices. */
+#define IRQ_TIMER01			4
+#define IRQ_TIMER23			5
+#define IRQ_RTC				10
+#define IRQ_UART0			12
+#define IRQ_UART1			13
+#define IRQ_UART2			14
+#define IRQ_SIC				31
+
+/* Cascading definitions */
+
+#define PIC_IRQS_MAX			31 /* Total irqs on PIC */
+/* The local irq line of the dummy peripheral on this chip */
+#define LOCALIRQ_DUMMY			15
+/* The irq index offset of this chip, is the maximum of previous chip + 1 */
+#define SIRQ_CHIP_OFFSET		(PIC_IRQS_MAX + 1)
+/* The global irq number of dummy is the local irq line + it's chip offset */
+#define IRQ_DUMMY			(LOCALIRQ_DUMMY + SIRQ_CHIP_OFFSET)
+
+
+#endif /* __PLATFORM_IRQ_H__ */

include/l4/platform/pb926/offsets.h

@@ -0,0 +1,60 @@
+/*
+ * Describes physical memory layout of pb926 platform.
+ *
+ * Copyright (C) 2007 Bahadir Balban
+ */
+
+#ifndef __PLATFORM_PB926_OFFSETS_H__
+#define __PLATFORM_PB926_OFFSETS_H__
+
+/* Physical memory base */
+#define	PHYS_MEM_START			0x00000000 /* inclusive */
+#define	PHYS_MEM_END			0x08000000 /* 128 MB, exclusive */
+
+/*
+ * These bases taken from where kernel is `physically' linked at,
+ * also used to calculate virtual-to-physical translation offset.
+ * See the linker script for their sources. PHYS_ADDR_BASE can't
+ * use a linker variable because it's referred from assembler.
+ */
+#define	PHYS_ADDR_BASE			0x100000
+
+/* Device memory base */
+#define	PB926_DEV_PHYS			0x10000000
+
+/* Device offsets in physical memory */
+#define	PB926_SYSTEM_REGISTERS		0x10000000 /* System registers */
+#define	PB926_SYSCTRL_BASE		0x101E0000 /* System controller */
+#define	PB926_WATCHDOG_BASE		0x101E1000 /* Watchdog */
+#define	PB926_TIMER01_BASE		0x101E2000 /* Timers 0 and 1 */
+#define	PB926_TIMER23_BASE		0x101E3000 /* Timers 2 and 3 */
+#define	PB926_RTC_BASE			0x101E8000 /* Real Time Clock */
+#define	PB926_VIC_BASE			0x10140000 /* Primary Vectored IC */
+#define	PB926_SIC_BASE			0x10003000 /* Secondary IC */
+#define	PB926_UART0_BASE		0x101F1000 /* Console port (UART0) */
+
+/* 
+ * Uart virtual address until a file-based console access
+ * is available for userspace
+ */
+#define	USERSPACE_UART_BASE		0x500000
+
+/*
+ * Device offsets in virtual memory. They offset to some virtual
+ * device base address. Each page on this virtual base is consecutively
+ * allocated to devices. Nice and smooth.
+ */
+#define PB926_TIMER01_VOFFSET			0x00000000
+#define PB926_UART0_VOFFSET			0x00001000
+#define	PB926_VIC_VOFFSET			0x00002000
+#define	PB926_SIC_VOFFSET			0x00003000
+#define PB926_SYSREGS_VOFFSET			0x00005000
+#define PB926_SYSCTRL_VOFFSET			0x00006000
+
+#define PB926_UART0_VBASE			(IO_AREA0_VADDR + PB926_UART0_VOFFSET)
+#define PB926_TIMER01_VBASE			(IO_AREA0_VADDR + PB926_TIMER01_VOFFSET)
+#define PB926_SYSCTRL_VBASE			(IO_AREA0_VADDR + PB926_SYSCTRL_VOFFSET)
+#define PB926_VIC_VBASE				(IO_AREA0_VADDR + PB926_VIC_VOFFSET)
+#define PB926_SIC_VBASE				(IO_AREA0_VADDR + PB926_SIC_VOFFSET)
+#endif /* __PLATFORM_PB926_OFFSETS_H__ */
+

include/l4/platform/pb926/platform.h

@@ -0,0 +1,22 @@
+#ifndef __PLATFORM_PB926_PLATFORM_H__
+#define __PLATFORM_PB926_PLATFORM_H__
+/*
+ * Platform specific ties between drivers and generic APIs used by the kernel.
+ * E.g. system timer and console.
+ *
+ * Copyright (C) Bahadir Balban 2007
+ */
+
+#include INC_PLAT(offsets.h)
+#include INC_GLUE(memlayout.h)
+
+#define PLATFORM_CONSOLE_BASE			PB926_UART0_VBASE
+#define PLATFORM_TIMER_BASE			PB926_TIMER01_VBASE
+#define PLATFORM_SP810_BASE			PB926_SYSCTRL_VBASE
+#define PLATFORM_IRQCTRL_BASE			PB926_VIC_VBASE
+#define PLATFORM_SIRQCTRL_BASE			PB926_SIC_VBASE
+
+void platform_irq_enable(int irq);
+void platform_irq_disable(int irq);
+void timer_start(void);
+#endif /* __PLATFORM_PB926_PLATFORM_H__ */

include/l4/platform/pb926/printascii.h

@@ -0,0 +1,13 @@
+#ifndef __PLATFORM__PB926__PRINTASCII__H__
+#define __PLATFORM__PB926__PRINTASCII__H__
+
+#define	dprintk(str, val)		\
+	printascii(str);		\
+	printascii("0x");		\
+	printhex8((val));		\
+	printascii("\n");
+
+void printascii(char *str);
+void printhex8(unsigned int);
+
+#endif /* __PLATFORM__PB926__PRINTASCII__H__ */

include/l4/platform/pb926/uart.h

@@ -0,0 +1,20 @@
+/*
+ * Platform specific ties to generic uart functions that putc expects.
+ *
+ * Copyright (C) 2007 Bahadir Balban
+ *
+ */
+
+#ifndef __PLATFORM_PB926_UART_H__
+#define __PLATFORM_PB926_UART_H__
+
+#include INC_PLAT(offsets.h)
+#include INC_GLUE(memlayout.h)
+
+#define PLATFORM_CONSOLE_BASE			PB926_UART0_VBASE
+#include <l4/drivers/uart/pl011/pl011_uart.h>
+
+void uart_init(void);
+void uart_putc(char c);
+
+#endif /* __PLATFORM_PB926_UART_H__ */

include/l4/platform/tests/debug-macro.S

@@ -0,0 +1,49 @@
+#ifndef __DEBUG__MACRO__S__
+#define __DEBUG__MACRO__S__
+
+#include <macros.h>
+#include <config.h>
+#include INC_PLAT(offsets.h)
+
+#define UART01x_DR		0x00
+/*
+ *  linux/arch/arm/kernel/debug.S
+ *
+ *  Copyright (C) 1994-1999 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  32-bit debugging code
+ */
+		.macro	addruart,rx
+		mrc	p15, 0, \rx, c1, c0
+		tst	\rx, #1			@ MMU enabled?
+		moveq	\rx,      #0x10000000
+		orreq	\rx, \rx, #0x001F0000
+		orreq	\rx, \rx, #0x00001000
+		/* FIXME: This offset is incorrect for now. Make sure you pass correct offset */
+		movne	\rx,      #0xf9000000 @#IO_AREA0_VADDR
+		addne	\rx, \rx, #0xF1000
+		@ addne	\rx, \rx, #PB926_UART0_VOFFSET	@ UART0 page offset from
+							@ virtual io area base.
+		.endm
+
+		.macro	senduart,rd,rx
+		strb	\rd, [\rx, #UART01x_DR]
+		.endm
+
+		.macro	waituart,rd,rx
+1001:		ldr	\rd, [\rx, #0x18]	@ UARTFLG
+		tst	\rd, #1 << 5		@ UARTFLGUTXFF - 1 when full
+		bne	1001b
+		.endm
+
+		.macro	busyuart,rd,rx
+1001:		ldr	\rd, [\rx, #0x18]	@ UARTFLG
+		tst	\rd, #1 << 3		@ UARTFLGUBUSY - 1 when busy
+		bne	1001b
+		.endm
+
+#endif /* __DEBUG__MACRO__S__ */

include/l4/platform/tests/offsets.h

@@ -0,0 +1,50 @@
+/*
+ * Mock-up platform definition file for test purposes
+ *
+ * Copyright (C) 2007 Bahadir Balban
+ */
+
+#ifndef __PLATFORM_TEST_OFFSETS__H__
+#define __PLATFORM_TEST_OFFSETS__H__
+
+/* Physical memory base */
+extern unsigned int PHYS_MEM_START;
+extern unsigned int PHYS_MEM_END;
+extern unsigned int PHYS_ADDR_BASE;
+
+/*
+ * These bases taken from where kernel is `physically' linked at,
+ * also used to calculate virtual-to-physical translation offset.
+ * See the linker script for their sources. PHYS_ADDR_BASE can't
+ * use a linker variable because it's referred from assembler.
+ */
+
+/* Device memory base */
+#define	PB926_DEV_PHYS			0x10000000
+
+/* Device offsets in physical memory */
+#define	PB926_SYSREGS_BASE		0x10000000 /* System registers */
+#define	PB926_SYSCNTL_BASE		0x101E0000 /* System controller */
+#define	PB926_WATCHDOG_BASE		0x101E1000 /* Watchdog */
+#define	PB926_TIMER0_1_BASE		0x101E2000 /* Timers 0 and 1 */
+#define	PB926_TIMER1_2_BASE		0x101E3000 /* Timers 2 and 3 */
+#define	PB926_RTC_BASE			0x101E8000 /* Real Time Clock */
+#define	PB926_VIC_BASE			0x10140000 /* Primary Vectored IC */
+#define	PB926_SIC_BASE			0x10003000 /* Secondary IC */
+#define	PB926_UART0_BASE		0x101F1000 /* Console port (UART0) */
+
+/*
+ * BB: Device offsets in virtual memory. They offset to some virtual
+ * device base address. Each page on this virtual base is consecutively
+ * allocated to devices. Nice and smooth.
+ */
+#define PB926_TIMER0_1_VOFFSET			0x00001000
+#define	PB926_VIC_VOFFSET			0x00002000
+#define	PB926_SIC_VOFFSET			0x00003000
+#define PB926_UART0_VOFFSET			0x00004000
+#define PB926_SYSREGS_VOFFSET			0x00005000
+#define PB926_SYSCNTL_VOFFSET			0x00006000
+
+
+#endif /*__PLATFORM_TEST_OFFSETS_H__*/
+

include/l4/platform/tests/platform.h

@@ -0,0 +1,7 @@
+#ifndef __PLATFORM__PB926__PLATFORM__H__
+#define __PLATFORM__PB926__PLATFORM__H__
+
+void init_platform_mappings(void);
+void init_platform_console(void);
+
+#endif /* __PLATFORM_PB926__PLATFORM__H__ */

include/l4/platform/tests/printascii.h

@@ -0,0 +1,20 @@
+#ifndef __PLATFORM__PB926__PRINTASCII__H__
+#define __PLATFORM__PB926__PRINTASCII__H__
+
+/* This include is for the C library on the host. So that
+ * any test executables that run on host can use it.
+ * Don't confuse it with anything else.
+ */
+#include <stdio.h>
+
+#define printascii(str)		printf(str)
+#define printhex8(x)		printf("0x%x",(unsigned int)x)
+#define dprintk(str, val)	printf("%-25s0x%x\n", str, val)
+/*
+#define	dprintk(str, val)		\
+	printascii(str);		\
+	printhex8((val));		\
+	printascii("\n");
+*/
+
+#endif /* __PLATFORM__PB926__PRINTASCII__H__ */

include/l4/platform/tests/uart.h

@@ -0,0 +1,30 @@
+#ifndef __PLATFORM__PB926__UART__H__
+#define __PLATFORM__PB926__UART__H__
+
+/*
+ * Platform specific ties to generic uart functions that putc expects.
+ *
+ * Copyright (C) 2005 Bahadir Balban
+ *
+ */
+
+/* C library on host */
+#include <stdio.h>
+
+#include INC_PLAT(offsets.h)
+#include INC_GLUE(basiclayout.h)
+/* TODO: PL011_BASE must point at a well-known virtual uart base address */
+//#define PL011_BASE			PB926_UART0_BASE
+#define PL011_BASE			(IO_AREA0_VADDR + 0xF1000)
+#include <drivers/uart/pl011/pl011_uart.h>
+
+static inline void uart_initialise(void)
+{
+
+}
+
+#define uart_putc(c)	printf("%c",(char)c)
+
+
+
+#endif /* __PLATFORM__PB926__UART__H__ */