Merge branch 'series1_v2' of git://git.denx.de/u-boot-sparc

3 files changed, 39 insertions, 153 deletions

diff --git a/arch/sparc/include/asm/global_data.h b/arch/sparc/include/asm/global_data.h
index 667e7d6d3b..0680a56758 100644
--- a/arch/sparc/include/asm/global_data.h
+++ b/arch/sparc/include/asm/global_data.h
@@ -15,6 +15,7 @@
 
 /* Architecture-specific global data */
 struct arch_global_data {
+	void *uart;
 };
 
 #include <asm-generic/global_data.h>
diff --git a/arch/sparc/include/asm/io.h b/arch/sparc/include/asm/io.h
index f7b89c890f..a317d132be 100644
--- a/arch/sparc/include/asm/io.h
+++ b/arch/sparc/include/asm/io.h
@@ -1,7 +1,7 @@
 /* SPARC I/O definitions
  *
- * (C) Copyright 2007
- * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
+ * (C) Copyright 2007, 2015
+ * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */
@@ -12,45 +12,57 @@
 /* Nothing to sync, total store ordering (TSO)... */
 #define sync()
 
+/*
+ * Generic virtual read/write.
+ */
+
+#ifndef CONFIG_SYS_HAS_NO_CACHE
+
 /* Forces a cache miss on read/load.
  * On some architectures we need to bypass the cache when reading
  * I/O registers so that we are not reading the same status word
  * over and over again resulting in a hang (until an IRQ if lucky)
- *
  */
-#ifndef CONFIG_SYS_HAS_NO_CACHE
-#define READ_BYTE(var)  SPARC_NOCACHE_READ_BYTE((unsigned int)(var))
-#define READ_HWORD(var) SPARC_NOCACHE_READ_HWORD((unsigned int)(var))
-#define READ_WORD(var)  SPARC_NOCACHE_READ((unsigned int)(var))
-#define READ_DWORD(var) SPARC_NOCACHE_READ_DWORD((unsigned int)(var))
+
+#define __arch_getb(a)		SPARC_NOCACHE_READ_BYTE((unsigned int)(a))
+#define __arch_getw(a)		SPARC_NOCACHE_READ_HWORD((unsigned int)(a))
+#define __arch_getl(a)		SPARC_NOCACHE_READ((unsigned int)(a))
+#define __arch_getq(a)		SPARC_NOCACHE_READ_DWORD((unsigned int)(a))
+
 #else
-#define READ_BYTE(var)  (var)
-#define READ_HWORD(var) (var)
-#define READ_WORD(var)  (var)
-#define READ_DWORD(var) (var)
-#endif
 
-/*
- * Generic virtual read/write.
- */
-#define __arch_getb(a)			(READ_BYTE(a))
-#define __arch_getw(a)			(READ_HWORD(a))
-#define __arch_getl(a)			(READ_WORD(a))
-#define __arch_getq(a)			(READ_DWORD(a))
+#define __arch_getb(a)		(*(volatile unsigned char *)(a))
+#define __arch_getw(a)		(*(volatile unsigned short *)(a))
+#define __arch_getl(a)		(*(volatile unsigned int *)(a))
+#define __arch_getq(a)		(*(volatile unsigned long long *)(a))
+
+#endif /* CONFIG_SYS_HAS_NO_CACHE */
 
-#define __arch_putb(v,a)		(*(volatile unsigned char *)(a) = (v))
-#define __arch_putw(v,a)		(*(volatile unsigned short *)(a) = (v))
-#define __arch_putl(v,a)		(*(volatile unsigned int *)(a) = (v))
+#define __arch_putb(v, a)	(*(volatile unsigned char *)(a) = (v))
+#define __arch_putw(v, a)	(*(volatile unsigned short *)(a) = (v))
+#define __arch_putl(v, a)	(*(volatile unsigned int *)(a) = (v))
+#define __arch_putq(v, a)	(*(volatile unsigned long long *)(a) = (v))
 
-#define __raw_writeb(v,a)		__arch_putb(v,a)
-#define __raw_writew(v,a)		__arch_putw(v,a)
-#define __raw_writel(v,a)		__arch_putl(v,a)
+#define __raw_writeb(v, a)		__arch_putb(v, a)
+#define __raw_writew(v, a)		__arch_putw(v, a)
+#define __raw_writel(v, a)		__arch_putl(v, a)
+#define __raw_writeq(v, a)		__arch_putq(v, a)
 
 #define __raw_readb(a)			__arch_getb(a)
 #define __raw_readw(a)			__arch_getw(a)
 #define __raw_readl(a)			__arch_getl(a)
 #define __raw_readq(a)			__arch_getq(a)
 
+#define writeb				__raw_writeb
+#define writew				__raw_writew
+#define writel				__raw_writel
+#define writeq				__raw_writeq
+
+#define readb				__raw_readb
+#define readw				__raw_readw
+#define readl				__raw_readl
+#define readq				__raw_readq
+
 /*
  * Given a physical address and a length, return a virtual address
  * that can be used to access the memory range with the caching
diff --git a/arch/sparc/include/asm/winmacro.h b/arch/sparc/include/asm/winmacro.h
index 65e4561e7d..4f68fbda69 100644
--- a/arch/sparc/include/asm/winmacro.h
+++ b/arch/sparc/include/asm/winmacro.h
@@ -136,130 +136,3 @@
 	ld	[reg + FW_FSR], %fsr;
 
 #endif
-
-#ifndef __SPARC_WINMACRO_H__
-#define __SPARC_WINMACRO_H__
-
-#include <asm/asmmacro.h>
-#include <asm/stack.h>
-
-/* Store the register window onto the 8-byte aligned area starting
- * at %reg.  It might be %sp, it might not, we don't care.
- */
-#define RW_STORE(reg) \
-	std	%l0, [%reg + RW_L0]; \
-	std	%l2, [%reg + RW_L2]; \
-	std	%l4, [%reg + RW_L4]; \
-	std	%l6, [%reg + RW_L6]; \
-	std	%i0, [%reg + RW_I0]; \
-	std	%i2, [%reg + RW_I2]; \
-	std	%i4, [%reg + RW_I4]; \
-	std	%i6, [%reg + RW_I6];
-
-/* Load a register window from the area beginning at %reg. */
-#define RW_LOAD(reg) \
-	ldd	[%reg + RW_L0], %l0; \
-	ldd	[%reg + RW_L2], %l2; \
-	ldd	[%reg + RW_L4], %l4; \
-	ldd	[%reg + RW_L6], %l6; \
-	ldd	[%reg + RW_I0], %i0; \
-	ldd	[%reg + RW_I2], %i2; \
-	ldd	[%reg + RW_I4], %i4; \
-	ldd	[%reg + RW_I6], %i6;
-
-/* Loading and storing struct pt_reg trap frames. */
-#define PT_LOAD_INS(base_reg) \
-	ldd	[%base_reg + SF_REGS_SZ + PT_I0], %i0; \
-	ldd	[%base_reg + SF_REGS_SZ + PT_I2], %i2; \
-	ldd	[%base_reg + SF_REGS_SZ + PT_I4], %i4; \
-	ldd	[%base_reg + SF_REGS_SZ + PT_I6], %i6;
-
-#define PT_LOAD_GLOBALS(base_reg) \
-	ld	[%base_reg + SF_REGS_SZ + PT_G1], %g1; \
-	ldd	[%base_reg + SF_REGS_SZ + PT_G2], %g2; \
-	ldd	[%base_reg + SF_REGS_SZ + PT_G4], %g4; \
-	ldd	[%base_reg + SF_REGS_SZ + PT_G6], %g6;
-
-#define PT_LOAD_YREG(base_reg, scratch) \
-	ld	[%base_reg + SF_REGS_SZ + PT_Y], %scratch; \
-	wr	%scratch, 0x0, %y;
-
-#define PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \
-	ld	[%base_reg + SF_REGS_SZ + PT_PSR], %pt_psr; \
-	ld	[%base_reg + SF_REGS_SZ + PT_PC], %pt_pc; \
-	ld	[%base_reg + SF_REGS_SZ + PT_NPC], %pt_npc;
-
-#define PT_LOAD_ALL(base_reg, pt_psr, pt_pc, pt_npc, scratch) \
-	PT_LOAD_YREG(base_reg, scratch) \
-	PT_LOAD_INS(base_reg) \
-	PT_LOAD_GLOBALS(base_reg) \
-	PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc)
-
-#define PT_STORE_INS(base_reg) \
-	std	%i0, [%base_reg + SF_REGS_SZ + PT_I0]; \
-	std	%i2, [%base_reg + SF_REGS_SZ + PT_I2]; \
-	std	%i4, [%base_reg + SF_REGS_SZ + PT_I4]; \
-	std	%i6, [%base_reg + SF_REGS_SZ + PT_I6];
-
-#define PT_STORE_GLOBALS(base_reg) \
-	st	%g1, [%base_reg + SF_REGS_SZ + PT_G1]; \
-	std	%g2, [%base_reg + SF_REGS_SZ + PT_G2]; \
-	std	%g4, [%base_reg + SF_REGS_SZ + PT_G4]; \
-	std	%g6, [%base_reg + SF_REGS_SZ + PT_G6];
-
-#define PT_STORE_YREG(base_reg, scratch) \
-	rd	%y, %scratch; \
-	st	%scratch, [%base_reg + SF_REGS_SZ + PT_Y];
-
-#define PT_STORE_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \
-	st	%pt_psr, [%base_reg + SF_REGS_SZ + PT_PSR]; \
-	st	%pt_pc,  [%base_reg + SF_REGS_SZ + PT_PC]; \
-	st	%pt_npc, [%base_reg + SF_REGS_SZ + PT_NPC];
-
-#define PT_STORE_ALL(base_reg, reg_psr, reg_pc, reg_npc, g_scratch) \
-	PT_STORE_PRIV(base_reg, reg_psr, reg_pc, reg_npc) \
-	PT_STORE_GLOBALS(base_reg) \
-	PT_STORE_YREG(base_reg, g_scratch) \
-	PT_STORE_INS(base_reg)
-
-/* Store the fpu register window*/
-#define FW_STORE(reg) \
-	std	%f0, [reg + FW_F0]; \
-	std	%f2, [reg + FW_F2]; \
-	std	%f4, [reg + FW_F4]; \
-	std	%f6, [reg + FW_F6]; \
-	std	%f8, [reg + FW_F8]; \
-	std	%f10, [reg + FW_F10]; \
-	std	%f12, [reg + FW_F12]; \
-	std	%f14, [reg + FW_F14]; \
-	std	%f16, [reg + FW_F16]; \
-	std	%f18, [reg + FW_F18]; \
-	std	%f20, [reg + FW_F20]; \
-	std	%f22, [reg + FW_F22]; \
-	std	%f24, [reg + FW_F24]; \
-	std	%f26, [reg + FW_F26]; \
-	std	%f28, [reg + FW_F28]; \
-	std	%f30, [reg + FW_F30]; \
-	st	%fsr, [reg + FW_FSR];
-
-/* Load a fpu register window from the area beginning at reg. */
-#define FW_LOAD(reg) \
-	ldd	[reg + FW_F0], %f0; \
-	ldd	[reg + FW_F2], %f2; \
-	ldd	[reg + FW_F4], %f4; \
-	ldd	[reg + FW_F6], %f6; \
-	ldd	[reg + FW_F8], %f8; \
-	ldd	[reg + FW_F10], %f10; \
-	ldd	[reg + FW_F12], %f12; \
-	ldd	[reg + FW_F14], %f14; \
-	ldd	[reg + FW_F16], %f16; \
-	ldd	[reg + FW_F18], %f18; \
-	ldd	[reg + FW_F20], %f20; \
-	ldd	[reg + FW_F22], %f22; \
-	ldd	[reg + FW_F24], %f24; \
-	ldd	[reg + FW_F26], %f26; \
-	ldd	[reg + FW_F28], %f28; \
-	ldd	[reg + FW_F30], %f30; \
-	ld	[reg + FW_FSR], %fsr;
-
-#endif