Merge git://git.denx.de/u-boot-mips

7 years ago · fcc8250c2f
parent 74a4818415 caead80a66
commit fcc8250c2f
14 changed files with 59 additions and 24 deletions
--- a/.mailmap
+++ b/.mailmap
@ -20,6 +20,7 @@ Jagan Teki <jaganna@xilinx.com>
 Jagan Teki <jagannadh.teki@gmail.com>
 Jagan Teki <jagannadha.sutradharudu-teki@xilinx.com>
 Markus Klotzbuecher <mk@denx.de>
+Paul Burton <paul.burton@mips.com> <paul.burton@imgtec.com>
 Prabhakar Kushwaha <prabhakar@freescale.com>
 Rajeshwari Shinde <rajeshwari.s@samsung.com>
 Ricardo Ribalda <ricardo.ribalda@uam.es>
--- a/arch/mips/cpu/u-boot.lds
+++ b/arch/mips/cpu/u-boot.lds
@ -5,12 +5,6 @@
 * SPDX-License-Identifier:	GPL-2.0+
 */

-#if defined(CONFIG_64BIT)
-#define PTR_COUNT_SHIFT	3
-#else
-#define PTR_COUNT_SHIFT	2
-#endif
-
 OUTPUT_ARCH(mips)
 ENTRY(_start)
 SECTIONS
--- a/arch/mips/include/asm/system.h
+++ b/arch/mips/include/asm/system.h
@ -14,8 +14,10 @@
 #ifndef _ASM_SYSTEM_H
 #define _ASM_SYSTEM_H

+#include <asm/asm.h>
 #include <asm/sgidefs.h>
 #include <asm/ptrace.h>
+#include <linux/stringify.h>
 #if 0
 #include <linux/kernel.h>
 #endif
@ -270,4 +272,15 @@ static inline void execution_hazard_barrier(void)
 		".set reorder");
 }

+static inline void instruction_hazard_barrier(void)
+{
+	unsigned long tmp;
+
+	asm volatile(
+	__stringify(PTR_LA) "\t%0, 1f\n"
+	"	jr.hb	%0\n"
+	"1:	.insn"
+	: "=&r"(tmp));
+}
+
 #endif /* _ASM_SYSTEM_H */
--- a/arch/mips/lib/cache.c
+++ b/arch/mips/lib/cache.c
@ -10,7 +10,9 @@
 #ifdef CONFIG_MIPS_L2_CACHE
 #include <asm/cm.h>
 #endif
+#include <asm/io.h>
 #include <asm/mipsregs.h>
+#include <asm/system.h>

 DECLARE_GLOBAL_DATA_PTR;

@ -96,6 +98,9 @@ static inline unsigned long scache_line_size(void)
 	const unsigned int cache_ops[] = { ops };			\
 	unsigned int i;							\
 									\
+	if (!lsize)							\
+		break;							\
+									\
 	for (; addr <= aend; addr += lsize) {				\
 		for (i = 0; i < ARRAY_SIZE(cache_ops); i++)		\
 			mips_cache(cache_ops[i], addr);			\
@ -116,19 +121,24 @@ void flush_cache(ulong start_addr, ulong size)
 		/* flush I-cache & D-cache simultaneously */
 		cache_loop(start_addr, start_addr + size, ilsize,
 			   HIT_WRITEBACK_INV_D, HIT_INVALIDATE_I);
-		return;
+		goto ops_done;
 	}

 	/* flush D-cache */
 	cache_loop(start_addr, start_addr + size, dlsize, HIT_WRITEBACK_INV_D);

 	/* flush L2 cache */
-	if (slsize)
-		cache_loop(start_addr, start_addr + size, slsize,
-			   HIT_WRITEBACK_INV_SD);
+	cache_loop(start_addr, start_addr + size, slsize, HIT_WRITEBACK_INV_SD);

 	/* flush I-cache */
 	cache_loop(start_addr, start_addr + size, ilsize, HIT_INVALIDATE_I);
+
+ops_done:
+	/* ensure cache ops complete before any further memory accesses */
+	sync();
+
+	/* ensure the pipeline doesn't contain now-invalid instructions */
+	instruction_hazard_barrier();
 }

 void flush_dcache_range(ulong start_addr, ulong stop)
@ -143,8 +153,10 @@ void flush_dcache_range(ulong start_addr, ulong stop)
 	cache_loop(start_addr, stop, lsize, HIT_WRITEBACK_INV_D);

 	/* flush L2 cache */
-	if (slsize)
-		cache_loop(start_addr, stop, slsize, HIT_WRITEBACK_INV_SD);
+	cache_loop(start_addr, stop, slsize, HIT_WRITEBACK_INV_SD);
+
+	/* ensure cache ops complete before any further memory accesses */
+	sync();
 }

 void invalidate_dcache_range(ulong start_addr, ulong stop)
@ -157,8 +169,10 @@ void invalidate_dcache_range(ulong start_addr, ulong stop)
 		return;

 	/* invalidate L2 cache */
-	if (slsize)
-		cache_loop(start_addr, stop, slsize, HIT_INVALIDATE_SD);
+	cache_loop(start_addr, stop, slsize, HIT_INVALIDATE_SD);

 	cache_loop(start_addr, stop, lsize, HIT_INVALIDATE_D);
+
+	/* ensure cache ops complete before any further memory accesses */
+	sync();
 }
--- a/board/imgtec/boston/MAINTAINERS
+++ b/board/imgtec/boston/MAINTAINERS
@ -1,5 +1,5 @@
 BOSTON BOARD
-M:	Paul Burton <paul.burton@imgtec.com>
+M:	Paul Burton <paul.burton@mips.com>
 S:	Maintained
 F:	board/imgtec/boston/
 F:	include/configs/boston.h
--- a/board/imgtec/boston/config.mk
+++ b/board/imgtec/boston/config.mk
@ -0,0 +1,14 @@
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+quiet_cmd_srec_cat = SRECCAT $@
+      cmd_srec_cat = srec_cat -output $@ -$2 $< -binary -offset $3
+
+u-boot.mcs: u-boot.bin
+	$(call cmd,srec_cat,intel,0x7c00000)
+
+# if srec_cat is present build u-boot.mcs by default
+has_srec_cat = $(call try-run,srec_cat -VERSion,y,n)
+ALL-$(has_srec_cat) += u-boot.mcs
+CLEAN_FILES += u-boot.mcs
--- a/board/imgtec/boston/lowlevel_init.S
+++ b/board/imgtec/boston/lowlevel_init.S
@ -34,7 +34,6 @@ LEAF(lowlevel_init)
 	PTR_LA	a0, msg_ddr_ok
 	bal	lowlevel_display

-	move	v0, zero
 	jr	s0
 	END(lowlevel_init)

@ -52,5 +51,5 @@ LEAF(lowlevel_display)
 	sw	k1, 4(AT)
 #endif
 	.set	pop
-1:	jr	ra
+	jr	ra
 	END(lowlevel_display)
--- a/board/imgtec/malta/MAINTAINERS
+++ b/board/imgtec/malta/MAINTAINERS
@ -1,5 +1,5 @@
 MALTA BOARD
-M:	Paul Burton <paul.burton@imgtec.com>
+M:	Paul Burton <paul.burton@mips.com>
 S:	Maintained
 F:	board/imgtec/malta/
 F:	include/configs/malta.h
--- a/board/imgtec/malta/superio.c
+++ b/board/imgtec/malta/superio.c
@ -1,6 +1,6 @@
 /*
 * Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
 *
 * Setup code for the FDC37M817 super I/O controller
 *
--- a/board/imgtec/malta/superio.h
+++ b/board/imgtec/malta/superio.h
@ -1,6 +1,6 @@
 /*
 * Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
 *
 * Setup code for the FDC37M817 super I/O controller
 *
--- a/drivers/pci/pci_msc01.c
+++ b/drivers/pci/pci_msc01.c
@ -1,6 +1,6 @@
 /*
 * Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
--- a/include/configs/boston.h
+++ b/include/configs/boston.h
@ -34,7 +34,7 @@

 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_TEXT_BASE

-#define CONFIG_SYS_LOAD_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x100000)
+#define CONFIG_SYS_LOAD_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x08000000)

 #define CONFIG_SYS_MEMTEST_START	(CONFIG_SYS_SDRAM_BASE + 0)
 #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + 0x10000000)
--- a/include/msc01.h
+++ b/include/msc01.h
@ -1,6 +1,6 @@
 /*
 * Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */
--- a/include/pci_msc01.h
+++ b/include/pci_msc01.h
@ -1,6 +1,6 @@
 /*
 * Copyright (C) 2013 Imagination Technologies
- * Author: Paul Burton <paul.burton@imgtec.com>
+ * Author: Paul Burton <paul.burton@mips.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */