Merge remote-tracking branch 'u-boot-sh/rmobile'

Conflicts:
	boards.cfg

Trivial conflict, maintainer change plus board addition

5 files changed, 50 insertions, 64 deletions

diff --git a/arch/arm/cpu/armv7/rmobile/Makefile b/arch/arm/cpu/armv7/rmobile/Makefile
index 2221999..fad004c 100644
--- a/arch/arm/cpu/armv7/rmobile/Makefile
+++ b/arch/arm/cpu/armv7/rmobile/Makefile
@@ -11,7 +11,7 @@ obj-y += emac.o
 obj-$(CONFIG_DISPLAY_BOARDINFO) += board.o
 obj-$(CONFIG_GLOBAL_TIMER) += timer.o
 obj-$(CONFIG_R8A7740) += lowlevel_init.o cpu_info-r8a7740.o pfc-r8a7740.o
-obj-$(CONFIG_R8A7790) += lowlevel_init_ca15.o cpu_info-r8a7790.o pfc-r8a7790.o
-obj-$(CONFIG_R8A7791) += lowlevel_init_ca15.o cpu_info-r8a7791.o pfc-r8a7791.o
+obj-$(CONFIG_R8A7790) += lowlevel_init_ca15.o cpu_info-rcar.o pfc-r8a7790.o
+obj-$(CONFIG_R8A7791) += lowlevel_init_ca15.o cpu_info-rcar.o pfc-r8a7791.o
 obj-$(CONFIG_SH73A0) += lowlevel_init.o cpu_info-sh73a0.o pfc-sh73a0.o
 obj-$(CONFIG_TMU_TIMER) += ../../../../sh/lib/time.o
diff --git a/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7791.c b/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7791.c
deleted file mode 100644
index 2de58ed..0000000
--- a/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7791.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * arch/arm/cpu/armv7/rmobile/cpu_info-r8a7791.c
- *
- * Copyright (C) 2013 Renesas Electronics Corporation
- *
- * SPDX-License-Identifier: GPL-2.0
- */
-#include <common.h>
-#include <asm/io.h>
-
-#define PRR 0xFF000044
-
-u32 rmobile_get_cpu_type(void)
-{
-	u32 product;
-
-	product = readl(PRR);
-
-	return (u32)((product & 0x00007F00) >> 8);
-}
-
-u32 rmobile_get_cpu_rev_integer(void)
-{
-	u32 product;
-
-	product = readl(PRR);
-
-	return (u32)((product & 0x000000F0) >> 4);
-}
diff --git a/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7790.c b/arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
index 7232e23..42ee30f 100644
--- a/arch/arm/cpu/armv7/rmobile/cpu_info-r8a7790.c
+++ b/arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
@@ -1,8 +1,7 @@
 /*
- * arch/arm/cpu/armv7/rmobile/cpu_info-r8a7790.c
- *     This file is r8a7790 processor support.
+ * arch/arm/cpu/armv7/rmobile/cpu_info-rcar.c
  *
- * Copyright (C) 2013 Renesas Electronics Corporation
+ * Copyright (C) 2013,2014 Renesas Electronics Corporation
  *
  * SPDX-License-Identifier: GPL-2.0
  */
@@ -18,5 +17,10 @@ u32 rmobile_get_cpu_type(void)
 
 u32 rmobile_get_cpu_rev_integer(void)
 {
-	return (readl(PRR) & 0x000000F0) >> 4;
+	return ((readl(PRR) & 0x000000F0) >> 4) + 1;
+}
+
+u32 rmobile_get_cpu_rev_fraction(void)
+{
+	return readl(PRR) & 0x0000000F;
 }
diff --git a/arch/arm/cpu/armv7/rmobile/cpu_info.c b/arch/arm/cpu/armv7/rmobile/cpu_info.c
index 83d5282..7a7c97d 100644
--- a/arch/arm/cpu/armv7/rmobile/cpu_info.c
+++ b/arch/arm/cpu/armv7/rmobile/cpu_info.c
@@ -44,35 +44,30 @@ static u32 __rmobile_get_cpu_rev_fraction(void)
 u32 rmobile_get_cpu_rev_fraction(void)
 		__attribute__((weak, alias("__rmobile_get_cpu_rev_fraction")));
 
+/* CPU infomation table */
+static const struct {
+	u16 cpu_type;
+	u8 cpu_name[10];
+} rmobile_cpuinfo[] = {
+	{ 0x37, "SH73A0" },
+	{ 0x40, "R8A7740" },
+	{ 0x45, "R8A7790" },
+	{ 0x47, "R8A7791" },
+	{ 0x0, "CPU" },
+};
+
 int print_cpuinfo(void)
 {
-	switch (rmobile_get_cpu_type()) {
-	case 0x37:
-		printf("CPU: Renesas Electronics SH73A0 rev %d.%d\n",
-		       rmobile_get_cpu_rev_integer(),
-		       rmobile_get_cpu_rev_fraction());
-		break;
-	case 0x40:
-		printf("CPU: Renesas Electronics R8A7740 rev %d.%d\n",
-		       rmobile_get_cpu_rev_integer(),
-		       rmobile_get_cpu_rev_fraction());
-		break;
-
-	case 0x45:
-		printf("CPU: Renesas Electronics R8A7790 rev %d\n",
-		       rmobile_get_cpu_rev_integer());
-		break;
-
-	case 0x47:
-		printf("CPU: Renesas Electronics R8A7791 rev %d\n",
-			rmobile_get_cpu_rev_integer());
-		break;
-
-	default:
-		printf("CPU: Renesas Electronics CPU rev %d.%d\n",
-		       rmobile_get_cpu_rev_integer(),
-		       rmobile_get_cpu_rev_fraction());
-		break;
+	int i = 0;
+	u32 cpu_type = rmobile_get_cpu_type();
+	for (; i < ARRAY_SIZE(rmobile_cpuinfo); i++) {
+		if (rmobile_cpuinfo[i].cpu_type == cpu_type) {
+			printf("CPU: Renesas Electronics %s rev %d.%d\n",
+			       rmobile_cpuinfo[i].cpu_name,
+			       rmobile_get_cpu_rev_integer(),
+			       rmobile_get_cpu_rev_fraction());
+			break;
+		}
 	}
 	return 0;
 }
diff --git a/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S b/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
index e07cc80..287f8d7 100644
--- a/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
+++ b/arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
@@ -2,7 +2,7 @@
  * arch/arm/cpu/armv7/rmobile/lowlevel_init_ca15.S
  *     This file is lager low level initialize.
  *
- * Copyright (C) 2013 Renesas Electronics Corporation
+ * Copyright (C) 2013, 2014 Renesas Electronics Corporation
  *
  * SPDX-License-Identifier: GPL-2.0
  */
@@ -36,16 +36,32 @@ do_cpu_waiting:
 	.align  4
 do_lowlevel_init:
 	/* surpress wfe if ca15 */
-	tst	r4, #4
+	tst r4, #4
 	mrceq p15, 0, r0, c1, c0, 1	/* actlr */
 	orreq r0, r0, #(1<<7)
 	mcreq p15, 0, r0, c1, c0, 1
+
 	/* and set l2 latency */
 	mrceq p15, 1, r0, c9, c0, 2	/* l2ctlr */
 	orreq r0, r0, #0x00000800
 	orreq r0, r0, #0x00000003
 	mcreq p15, 1, r0, c9, c0, 2
 
+	mrc p15, 0, r0, c0, c0, 5	/* r0 = MPIDR */
+	and r0, r0, #0xf00
+	lsr r0, r0, #8
+	tst r0, #1			/* only need for cluster 0 */
+	bne _exit_init_l2_a15
+
+	mrc p15, 1, r0, c9, c0, 2	/* r0 = L2CTLR */
+	and r1, r0, #7
+	cmp r1, #3			/* has already been set up */
+	bicne r0, r0, #0xe7
+	orrne r0, r0, #0x83		/* L2CTLR[7:6] + L2CTLR[2:0] */
+	orrne r0, r0, #0x20             /* L2CTLR[5] */
+	mcrne p15, 1, r0, c9, c0, 2
+
+_exit_init_l2_a15:
 	ldr	r3, =(CONFIG_SYS_INIT_SP_ADDR)
 	sub	sp, r3, #4
 	str	lr, [sp]