X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-m68knommu%2Fm5249sim.h;h=9344f529bd8fa0df1da0b3d8a4882609bc38723b;hb=6a77f38946aaee1cd85eeec6cf4229b204c15071;hp=2ca313637b17261442a8f682161f9883d9d9c9bb;hpb=87fc8d1bb10cd459024a742c6a10961fefcef18f;p=linux-2.6.git

diff --git a/include/asm-m68knommu/m5249sim.h b/include/asm-m68knommu/m5249sim.h
index 2ca313637..9344f529b 100644
--- a/include/asm-m68knommu/m5249sim.h
+++ b/include/asm-m68knommu/m5249sim.h
@@ -115,5 +115,95 @@
 #define	mcf_getipr()		\
 	*((volatile unsigned long *) (MCF_MBAR + MCFSIM_IPR))
 
+/****************************************************************************/
+
+#ifdef __ASSEMBLER__
+
+/*
+ *	The M5249C3 board needs a little help getting all its SIM devices
+ *	initialized at kernel start time. dBUG doesn't set much up, so
+ *	we need to do it manually.
+ */
+.macro m5249c3_setup
+	/*
+	 *	Set MBAR1 and MBAR2, just incase they are not set.
+	 */
+	movel	#0x10000001,%a0
+	movec	%a0,%MBAR			/* map MBAR region */
+	subql	#1,%a0				/* get MBAR address in a0 */
+
+	movel	#0x80000001,%a1
+	movec	%a1,#3086			/* map MBAR2 region */
+	subql	#1,%a1				/* get MBAR2 address in a1 */
+
+	/*
+	 *      Move secondary interrupts to base at 128.
+	 */
+	moveb	#0x80,%d0
+	moveb	%d0,0x16b(%a1)			/* interrupt base register */
+
+	/*
+	 *      Work around broken CSMR0/DRAM vector problem.
+	 */
+	movel	#0x001F0021,%d0			/* disable C/I bit */
+	movel	%d0,0x84(%a0)			/* set CSMR0 */
+
+	/*
+	 *	Disable the PLL firstly. (Who knows what state it is
+	 *	in here!).
+	 */
+	movel	0x180(%a1),%d0			/* get current PLL value */
+	andl	#0xfffffffe,%d0			/* PLL bypass first */
+	movel	%d0,0x180(%a1)			/* set PLL register */
+	nop
+
+#ifdef CONFIG_CLOCK_140MHz
+	/*
+	 *	Set initial clock frequency. This assumes M5249C3 board
+	 *	is fitted with 11.2896MHz crystal. It will program the
+	 *	PLL for 140MHz. Lets go fast :-)
+	 */
+	movel	#0x125a40f0,%d0			/* set for 140MHz */
+	movel	%d0,0x180(%a1)			/* set PLL register */
+	orl	#0x1,%d0
+	movel	%d0,0x180(%a1)			/* set PLL register */
+#endif
+
+	/*
+	 *	Setup CS1 for ethernet controller.
+	 *	(Setup as per M5249C3 doco).
+	 */
+	movel  #0xe0000000,%d0			/* CS1 mapped at 0xe0000000 */
+	movel  %d0,0x8c(%a0)
+	movel  #0x001f0021,%d0			/* CS1 size of 1Mb */
+	movel  %d0,0x90(%a0)
+	movew  #0x0080,%d0			/* CS1 = 16bit port, AA */
+	movew  %d0,0x96(%a0)
+
+	/*
+	 *	Setup CS2 for IDE interface.
+	 */
+	movel	#0x50000000,%d0			/* CS2 mapped at 0x50000000 */
+	movel	%d0,0x98(%a0)
+	movel	#0x001f0001,%d0			/* CS2 size of 1MB */
+	movel	%d0,0x9c(%a0)
+	movew	#0x0080,%d0			/* CS2 = 16bit, TA */
+	movew	%d0,0xa2(%a0)
+
+	movel	#0x00107000,%d0			/* IDEconfig1 */
+	movel	%d0,0x18c(%a1)
+	movel	#0x000c0400,%d0			/* IDEconfig2 */
+	movel	%d0,0x190(%a1)
+
+	movel	#0x00080000,%d0			/* GPIO19, IDE reset bit */
+	orl	%d0,0xc(%a1)			/* function GPIO19 */
+	orl	%d0,0x8(%a1)			/* enable GPIO19 as output */
+        orl	%d0,0x4(%a1)			/* de-assert IDE reset */
+.endm
+
+#define	PLATFORM_SETUP	m5249c3_setup
+
+#endif /* __ASSEMBLER__ */
+
 /****************************************************************************/
 #endif	/* m5249sim_h */