---

yaml --- r: 144265 b: refs/heads/master c: 9f65325 h: refs/heads/master i: 144263: 67fe76e v: v3
git-mirror · Apr 28, 2009 · c956b55 · c956b55
1 parent 3a0d9a5
commit c956b55
Show file tree

Hide file tree

Showing 13 changed files with 54 additions and 57 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c3310e7766ebe7491910715c3161a4f29fa0112e
+refs/heads/master: 9f6532519feab921856f41b30a2397ee25f4de49
diff --git a/trunk/MAINTAINERS b/trunk/MAINTAINERS
@@ -3448,7 +3448,7 @@ P:	Matt Porter
 M:	mporter@kernel.crashing.org
 W:	http://www.penguinppc.org/
 L:	linuxppc-dev@ozlabs.org
-T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc-4xx.git
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jwboyer/powerpc.git
 S:	Maintained
 
 LINUX FOR POWERPC EMBEDDED XILINX VIRTEX

diff --git a/trunk/arch/powerpc/boot/4xx.c b/trunk/arch/powerpc/boot/4xx.c
@@ -158,46 +158,6 @@ void ibm440spe_fixup_memsize(void)
 
 #define DDR_GET_VAL(val, mask, shift)	(((val) >> (shift)) & (mask))
 
-/*
- * Some U-Boot versions set the number of chipselects to two
- * for Sequoia/Rainier boards while they only have one chipselect
- * hardwired. Hardcode the number of chipselects to one
- * for sequioa/rainer board models or read the actual value
- * from the memory controller register DDR0_10 otherwise.
- */
-static inline u32 ibm4xx_denali_get_cs(void)
-{
-	void *devp;
-	char model[64];
-	u32 val, cs;
-
-	devp = finddevice("/");
-	if (!devp)
-		goto read_cs;
-
-	if (getprop(devp, "model", model, sizeof(model)) <= 0)
-		goto read_cs;
-
-	model[sizeof(model)-1] = 0;
-
-	if (!strcmp(model, "amcc,sequoia") ||
-	    !strcmp(model, "amcc,rainier"))
-		return 1;
-
-read_cs:
-	/* get CS value */
-	val = SDRAM0_READ(DDR0_10);
-
-	val = DDR_GET_VAL(val, DDR_CS_MAP, DDR_CS_MAP_SHIFT);
-	cs = 0;
-	while (val) {
-		if (val & 0x1)
-			cs++;
-		val = val >> 1;
-	}
-	return cs;
-}
-
 void ibm4xx_denali_fixup_memsize(void)
 {
 	u32 val, max_cs, max_col, max_row;
@@ -213,7 +173,17 @@ void ibm4xx_denali_fixup_memsize(void)
 	max_col = DDR_GET_VAL(val, DDR_MAX_COL_REG, DDR_MAX_COL_REG_SHIFT);
 	max_row = DDR_GET_VAL(val, DDR_MAX_ROW_REG, DDR_MAX_ROW_REG_SHIFT);
 
-	cs = ibm4xx_denali_get_cs();
+	/* get CS value */
+	val = SDRAM0_READ(DDR0_10);
+
+	val = DDR_GET_VAL(val, DDR_CS_MAP, DDR_CS_MAP_SHIFT);
+	cs = 0;
+	while (val) {
+		if (val & 0x1)
+			cs++;
+		val = val >> 1;
+	}
+
 	if (!cs)
 		fatal("No memory installed\n");
 	if (cs > max_cs)
@@ -223,9 +193,9 @@ void ibm4xx_denali_fixup_memsize(void)
 	val = SDRAM0_READ(DDR0_14);
 
 	if (DDR_GET_VAL(val, DDR_REDUC, DDR_REDUC_SHIFT))
-		dpath = 4; /* 32 bits */
-	else
 		dpath = 8; /* 64 bits */
+	else
+		dpath = 4; /* 32 bits */
 
 	/* get address pins (rows) */
  	val = SDRAM0_READ(DDR0_42);

diff --git a/trunk/arch/powerpc/boot/dts/gef_ppc9a.dts b/trunk/arch/powerpc/boot/dts/gef_ppc9a.dts
@@ -161,7 +161,6 @@
 		#address-cells = <1>;
 		#size-cells = <1>;
 		#interrupt-cells = <2>;
-		device_type = "soc";
 		compatible = "fsl,mpc8641-soc", "simple-bus";
 		ranges = <0x0 0xfef00000 0x00100000>;
 		reg = <0xfef00000 0x100000>;	// CCSRBAR 1M

diff --git a/trunk/arch/powerpc/include/asm/elf.h b/trunk/arch/powerpc/include/asm/elf.h
@@ -260,7 +260,6 @@ do {								\
 #else 
 # define SET_PERSONALITY(ex) \
   set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-# define elf_read_implies_exec(ex, exec_stk) (exec_stk != EXSTACK_DISABLE_X)
 #endif /* __powerpc64__ */
 
 extern int dcache_bsize;

diff --git a/trunk/arch/powerpc/include/asm/mmu.h b/trunk/arch/powerpc/include/asm/mmu.h
@@ -52,6 +52,12 @@
  */
 #define MMU_FTR_NEED_DTLB_SW_LRU	ASM_CONST(0x00200000)
 
+/* This indicates that the processor uses the wrong opcode for tlbilx
+ * instructions.  During the ISA 2.06 development the opcode for tlbilx
+ * changed and some early implementations used to old opcode
+ */
+#define MMU_FTR_TLBILX_EARLY_OPCODE	ASM_CONST(0x00400000)
+
 #ifndef __ASSEMBLY__
 #include <asm/cputable.h>
 

diff --git a/trunk/arch/powerpc/include/asm/ppc-opcode.h b/trunk/arch/powerpc/include/asm/ppc-opcode.h
@@ -44,6 +44,7 @@
 #define PPC_INST_STSWI			0x7c0005aa
 #define PPC_INST_STSWX			0x7c00052a
 #define PPC_INST_TLBILX			0x7c000024
+#define PPC_INST_TLBILX_EARLY		0x7c000626
 #define PPC_INST_WAIT			0x7c00007c
 
 /* macros to insert fields into opcodes */
@@ -63,10 +64,18 @@
 #define PPC_RFDI		stringify_in_c(.long PPC_INST_RFDI)
 #define PPC_RFMCI		stringify_in_c(.long PPC_INST_RFMCI)
 #define PPC_TLBILX(t, a, b)	stringify_in_c(.long PPC_INST_TLBILX | \
-					__PPC_T_TLB(t) | __PPC_RA(a) | __PPC_RB(b))
+					__PPC_T_TLB(t) | \
+					__PPC_RA(a) | __PPC_RB(b))
 #define PPC_TLBILX_ALL(a, b)	PPC_TLBILX(0, a, b)
 #define PPC_TLBILX_PID(a, b)	PPC_TLBILX(1, a, b)
 #define PPC_TLBILX_VA(a, b)	PPC_TLBILX(3, a, b)
+
+#define PPC_TLBILX_EARLY(t, a, b) stringify_in_c(.long PPC_INST_TLBILX_EARLY | \
+						__PPC_T_TLB(t) | \
+						__PPC_RA(a) | __PPC_RB(b))
+#define PPC_TLBILX_ALL_EARLY(a, b)	PPC_TLBILX_EARLY(0, a, b)
+#define PPC_TLBILX_PID_EARLY(a, b)	PPC_TLBILX_EARLY(1, a, b)
+#define PPC_TLBILX_VA_EARLY(a, b)	PPC_TLBILX_EARLY(3, a, b)
 #define PPC_WAIT(w)		stringify_in_c(.long PPC_INST_WAIT | \
 					__PPC_WC(w))
 

diff --git a/trunk/arch/powerpc/kernel/cputable.c b/trunk/arch/powerpc/kernel/cputable.c
@@ -1766,7 +1766,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.cpu_features		= CPU_FTRS_E500MC,
 		.cpu_user_features	= COMMON_USER_BOOKE | PPC_FEATURE_HAS_FPU,
 		.mmu_features		= MMU_FTR_TYPE_FSL_E | MMU_FTR_BIG_PHYS |
-			MMU_FTR_USE_TLBILX,
+			MMU_FTR_USE_TLBILX | MMU_FTR_TLBILX_EARLY_OPCODE,
 		.icache_bsize		= 64,
 		.dcache_bsize		= 64,
 		.num_pmcs		= 4,

diff --git a/trunk/arch/powerpc/kernel/vmlinux.lds.S b/trunk/arch/powerpc/kernel/vmlinux.lds.S
@@ -54,8 +54,8 @@ SECTIONS
 		ALIGN_FUNCTION();
 		HEAD_TEXT
 		_text = .;
-		/* careful! __ftr_alt_* sections need to be close to .text */
-		*(.text .fixup __ftr_alt_* .ref.text)
+		TEXT_TEXT
+		*(.fixup __ftr_alt_*)
 		SCHED_TEXT
 		LOCK_TEXT
 		KPROBES_TEXT

diff --git a/trunk/arch/powerpc/mm/tlb_nohash_low.S b/trunk/arch/powerpc/mm/tlb_nohash_low.S
@@ -138,7 +138,11 @@ BEGIN_MMU_FTR_SECTION
 	andi.	r3,r3,MMUCSR0_TLBFI@l
 	bne	1b
 MMU_FTR_SECTION_ELSE
-	PPC_TLBILX_ALL(0,0)
+  BEGIN_MMU_FTR_SECTION_NESTED(96)
+	PPC_TLBILX_ALL(0,r3)
+  MMU_FTR_SECTION_ELSE_NESTED(96)
+	PPC_TLBILX_ALL_EARLY(0,r3)
+  ALT_MMU_FTR_SECTION_END_NESTED_IFCLR(MMU_FTR_TLBILX_EARLY_OPCODE, 96)
 ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_USE_TLBILX)
 	msync
 	isync
@@ -151,7 +155,11 @@ BEGIN_MMU_FTR_SECTION
 	wrteei	0
 	mfspr	r4,SPRN_MAS6	/* save MAS6 */
 	mtspr	SPRN_MAS6,r3
+  BEGIN_MMU_FTR_SECTION_NESTED(96)
 	PPC_TLBILX_PID(0,0)
+  MMU_FTR_SECTION_ELSE_NESTED(96)
+	PPC_TLBILX_PID_EARLY(0,0)
+  ALT_MMU_FTR_SECTION_END_NESTED_IFCLR(MMU_FTR_TLBILX_EARLY_OPCODE, 96)
 	mtspr	SPRN_MAS6,r4	/* restore MAS6 */
 	wrtee	r10
 MMU_FTR_SECTION_ELSE
@@ -185,12 +193,16 @@ BEGIN_MMU_FTR_SECTION
 	mtspr	SPRN_MAS1,r4
 	tlbwe
 MMU_FTR_SECTION_ELSE
+  BEGIN_MMU_FTR_SECTION_NESTED(96)
 	PPC_TLBILX_VA(0,r3)
+  MMU_FTR_SECTION_ELSE_NESTED(96)
+	PPC_TLBILX_VA_EARLY(0,r3)
+  ALT_MMU_FTR_SECTION_END_NESTED_IFCLR(MMU_FTR_TLBILX_EARLY_OPCODE, 96)
 ALT_MMU_FTR_SECTION_END_IFCLR(MMU_FTR_USE_TLBILX)
 	msync
 	isync
 1:	wrtee	r10
 	blr
-#else
+#elif
 #error Unsupported processor type !
 #endif
diff --git a/trunk/arch/powerpc/platforms/cell/Kconfig b/trunk/arch/powerpc/platforms/cell/Kconfig
@@ -13,6 +13,7 @@ config PPC_CELL_COMMON
 config PPC_CELL_NATIVE
 	bool
 	select PPC_CELL_COMMON
+	select PPC_OF_PLATFORM_PCI
 	select MPIC
 	select IBM_NEW_EMAC_EMAC4
 	select IBM_NEW_EMAC_RGMII
@@ -24,8 +25,6 @@ config PPC_IBM_CELL_BLADE
 	bool "IBM Cell Blade"
 	depends on PPC64 && PPC_BOOK3S
 	select PPC_CELL_NATIVE
-	select PPC_OF_PLATFORM_PCI
-	select PCI
 	select MMIO_NVRAM
 	select PPC_UDBG_16550
 	select UDBG_RTAS_CONSOLE
@@ -34,8 +33,6 @@ config PPC_CELLEB
 	bool "Toshiba's Cell Reference Set 'Celleb' Architecture"
 	depends on PPC64 && PPC_BOOK3S
 	select PPC_CELL_NATIVE
-	select PPC_OF_PLATFORM_PCI
-	select PCI
 	select HAS_TXX9_SERIAL
 	select PPC_UDBG_BEAT
 	select USB_OHCI_BIG_ENDIAN_MMIO

diff --git a/trunk/arch/powerpc/platforms/ps3/setup.c b/trunk/arch/powerpc/platforms/ps3/setup.c
@@ -45,6 +45,10 @@
 DEFINE_MUTEX(ps3_gpu_mutex);
 EXPORT_SYMBOL_GPL(ps3_gpu_mutex);
 
+#if !defined(CONFIG_SMP)
+static void smp_send_stop(void) {}
+#endif
+
 static union ps3_firmware_version ps3_firmware_version;
 
 void ps3_get_firmware_version(union ps3_firmware_version *v)

diff --git a/trunk/include/linux/regulator/driver.h b/trunk/include/linux/regulator/driver.h
@@ -50,6 +50,7 @@ enum regulator_status {
  * @set_current_limit: Configure a limit for a current-limited regulator.
  * @get_current_limit: Get the configured limit for a current-limited regulator.
  *
+ * @set_mode: Set the configured operating mode for the regulator.
  * @get_mode: Get the configured operating mode for the regulator.
  * @get_status: Return actual (not as-configured) status of regulator, as a
  *	REGULATOR_STATUS value (or negative errno)