[PATCH 02/11] ARM: shmobile: Basic r8a7793 SoC support

[PATCH 02/11] ARM: shmobile: Basic r8a7793 SoC support

[Ulrich Hecht]

Minimal support without power management or SMP.

Signed-off-by: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
---
 arch/arm/mach-shmobile/Kconfig         |  4 ++++
 arch/arm/mach-shmobile/Makefile        |  1 +
 arch/arm/mach-shmobile/setup-r8a7793.c | 33 +++++++++++++++++++++++++++++++++
 3 files changed, 38 insertions(+)
 create mode 100644 arch/arm/mach-shmobile/setup-r8a7793.c

diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
index 0cbe84a..e76063e 100644
--- a/arch/arm/mach-shmobile/Kconfig
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -75,6 +75,10 @@ config ARCH_R8A7791
 	bool "R-Car M2-W (R8A77910)"
 	select ARCH_RCAR_GEN2
 
+config ARCH_R8A7793
+	bool "R-Car M2N (R8A77940)"
+	select ARCH_RCAR_GEN2
+
 config ARCH_R8A7794
 	bool "R-Car E2 (R8A77940)"
 	select ARCH_RCAR_GEN2
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
index d3aca07..399342e 100644
--- a/arch/arm/mach-shmobile/Makefile
+++ b/arch/arm/mach-shmobile/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_ARCH_R8A7778)	+= setup-r8a7778.o
 obj-$(CONFIG_ARCH_R8A7779)	+= setup-r8a7779.o pm-r8a7779.o
 obj-$(CONFIG_ARCH_R8A7790)	+= setup-r8a7790.o pm-r8a7790.o
 obj-$(CONFIG_ARCH_R8A7791)	+= setup-r8a7791.o pm-r8a7791.o
+obj-$(CONFIG_ARCH_R8A7793)	+= setup-r8a7793.o
 obj-$(CONFIG_ARCH_R8A7794)	+= setup-r8a7794.o
 obj-$(CONFIG_ARCH_EMEV2)	+= setup-emev2.o
 obj-$(CONFIG_ARCH_R7S72100)	+= setup-r7s72100.o
diff --git a/arch/arm/mach-shmobile/setup-r8a7793.c b/arch/arm/mach-shmobile/setup-r8a7793.c
new file mode 100644
index 0000000..1d2825c
--- /dev/null
+++ b/arch/arm/mach-shmobile/setup-r8a7793.c
@@ -0,0 +1,33 @@
+/*
+ * r8a7793 processor support
+ *
+ * Copyright (C) 2015  Ulrich Hecht
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/init.h>
+#include <asm/mach/arch.h>
+
+#include "common.h"
+#include "rcar-gen2.h"
+
+static const char *r8a7793_boards_compat_dt[] __initconst = {
+	"renesas,r8a7793",
+	NULL,
+};
+
+DT_MACHINE_START(R8A7793_DT, "Generic R8A7793 (Flattened Device Tree)")
+	.init_early	= shmobile_init_delay,
+	.init_time	= rcar_gen2_timer_init,
+	.init_late	= shmobile_init_late,
+	.reserve	= rcar_gen2_reserve,
+	.dt_compat	= r8a7793_boards_compat_dt,
+MACHINE_END
-- 
2.2.2

Re: [PATCH 02/11] ARM: shmobile: Basic r8a7793 SoC support

[Geert Uytterhoeven]

On Fri, Mar 6, 2015 at 6:09 PM, Ulrich Hecht
<ulrich.hecht+renesas@gmail.com> wrote:
> --- a/arch/arm/mach-shmobile/Kconfig
> +++ b/arch/arm/mach-shmobile/Kconfig
> @@ -75,6 +75,10 @@ config ARCH_R8A7791
>         bool "R-Car M2-W (R8A77910)"
>         select ARCH_RCAR_GEN2
>
> +config ARCH_R8A7793
> +       bool "R-Car M2N (R8A77940)"

The datasheet calls the SoC "M2-N" (with dash).
The part number should probably be "R8A77930" (not sure about
the trailing zero).

> +       select ARCH_RCAR_GEN2

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 02/11] ARM: shmobile: Basic r8a7793 SoC support

[Ulrich Hecht]

On Sun, Mar 8, 2015 at 10:32 AM, Geert Uytterhoeven
<geert@linux-m68k.org> wrote:
> On Fri, Mar 6, 2015 at 6:09 PM, Ulrich Hecht
> <ulrich.hecht+renesas@gmail.com> wrote:
>> --- a/arch/arm/mach-shmobile/Kconfig
>> +++ b/arch/arm/mach-shmobile/Kconfig
>> @@ -75,6 +75,10 @@ config ARCH_R8A7791
>>         bool "R-Car M2-W (R8A77910)"
>>         select ARCH_RCAR_GEN2
>>
>> +config ARCH_R8A7793
>> +       bool "R-Car M2N (R8A77940)"
>
> The datasheet calls the SoC "M2-N" (with dash).

Indeed.

> The part number should probably be "R8A77930" (not sure about
> the trailing zero).

No zero in my datasheet.

CU
Uli

Re: [PATCH 02/11] ARM: shmobile: Basic r8a7793 SoC support

[Sergei Shtylyov]

Hello.

On 04/30/2015 05:17 PM, Ulrich Hecht wrote:

>>> --- a/arch/arm/mach-shmobile/Kconfig
>>> +++ b/arch/arm/mach-shmobile/Kconfig
>>> @@ -75,6 +75,10 @@ config ARCH_R8A7791
>>>          bool "R-Car M2-W (R8A77910)"
>>>          select ARCH_RCAR_GEN2
>>>
>>> +config ARCH_R8A7793
>>> +       bool "R-Car M2N (R8A77940)"

>> The datasheet calls the SoC "M2-N" (with dash).

> Indeed.

>> The part number should probably be "R8A77930" (not sure about
>> the trailing zero).

> No zero in my datasheet.

    Zero should be there, looking at my latest R-Car H2/E2 manuals.

> CU
> Uli

WBR, Sergei