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Allwinner Core Additions for 3.19

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This has mostly been about introducing A80 support
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Merge tag 'sunxi-core-for-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux into next/soc

Pull "Allwinner Core Additions for 3.19" from Maxime Ripard:

This has mostly been about introducing A80 support

* tag 'sunxi-core-for-3.19' of git://git.kernel.org/pub/scm/linux/kernel/git/mripard/linux:
  ARM: sunxi: make sun6i SMP ops static
  ARM: sunxi: Select ARCH_HAS_RESET_CONTROLLER and RESET_CONTROLLER for sun9i
  Documentation: sunxi: Add A80 datasheet link
  devicetree: bindings: Document supported Allwinner sunxi SoCs
  ARM: sunxi: Introduce Allwinner A80 support
  devicetree: bindings: Add vendor prefix for Merrii Technology Co., Ltd.
  ARM: sunxi: Add debug uart used by sun9i (Allwinner A80)
  Documentation: sunxi: Update Allwinner SoC documentation (A31/A31s/A23)

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2014-11-20 17:23:57 +01:00
commit 8d6d5e128f
7 changed files with 53 additions and 4 deletions
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16
Documentation/arm/sunxi/README
View File

@ -37,16 +37,26 @@ SunXi family
http://dl.linux-sunxi.org/A20/A20%20User%20Manual%202013-03-22.pdf
- Allwinner A23
+ Not Supported
+ Datasheet
http://dl.linux-sunxi.org/A23/A23%20Datasheet%20V1.0%2020130830.pdf
+ User Manual
http://dl.linux-sunxi.org/A23/A23%20User%20Manual%20V1.0%2020130830.pdf
* Quad ARM Cortex-A7 based SoCs
- Allwinner A31 (sun6i)
+ Datasheet
http://dl.linux-sunxi.org/A31/A31%20Datasheet%20-%20v1.00%20(2012-12-24).pdf
http://dl.linux-sunxi.org/A31/A3x_release_document/A31/IC/A31%20datasheet%20V1.3%2020131106.pdf
+ User Manual
http://dl.linux-sunxi.org/A31/A3x_release_document/A31/IC/A31%20user%20manual%20V1.1%2020130630.pdf
- Allwinner A31s (sun6i)
+ Not Supported
+ Datasheet
http://dl.linux-sunxi.org/A31/A3x_release_document/A31s/IC/A31s%20datasheet%20V1.3%2020131106.pdf
+ User Manual
http://dl.linux-sunxi.org/A31/A3x_release_document/A31s/IC/A31s%20User%20Manual%20%20V1.0%2020130322.pdf
* Quad ARM Cortex-A15, Quad ARM Cortex-A7 based SoCs
- Allwinner A80
+ Not Supported
+ Datasheet
http://dl.linux-sunxi.org/A80/A80_Datasheet_Revision_1.0_0404.pdf

12
Documentation/devicetree/bindings/arm/sunxi.txt Normal file
View File

@ -0,0 +1,12 @@
Allwinner sunXi Platforms Device Tree Bindings
Each device tree must specify which Allwinner SoC it uses,
using one of the following compatible strings:
allwinner,sun4i-a10
allwinner,sun5i-a10s
allwinner,sun5i-a13
allwinner,sun6i-a31
allwinner,sun7i-a20
allwinner,sun8i-a23
allwinner,sun9i-a80

1
Documentation/devicetree/bindings/vendor-prefixes.txt
View File

@ -90,6 +90,7 @@ lltc Linear Technology Corporation
marvell Marvell Technology Group Ltd.
maxim Maxim Integrated Products
mediatek MediaTek Inc.
merrii Merrii Technology Co., Ltd.
micrel Micrel Inc.
microchip Microchip Technology Inc.
mitsubishi Mitsubishi Electric Corporation

10
arch/arm/Kconfig.debug
View File

@ -750,6 +750,14 @@ choice
Say Y here if you want kernel low-level debugging support
on SOCFPGA based platforms.
config DEBUG_SUN9I_UART0
bool "Kernel low-level debugging messages via sun9i UART0"
depends on MACH_SUN9I
select DEBUG_UART_8250
help
Say Y here if you want kernel low-level debugging support
on Allwinner A80 based platforms on the UART0.
config DEBUG_SUNXI_UART0
bool "Kernel low-level debugging messages via sunXi UART0"
depends on ARCH_SUNXI
@ -1142,6 +1150,7 @@ config DEBUG_UART_PHYS
default 0x02530c00 if DEBUG_KEYSTONE_UART0
default 0x02531000 if DEBUG_KEYSTONE_UART1
default 0x03010fe0 if ARCH_RPC
default 0x07000000 if DEBUG_SUN9I_UART0
default 0x10009000 if DEBUG_REALVIEW_STD_PORT || \
DEBUG_VEXPRESS_UART0_CA9
default 0x1010c000 if DEBUG_REALVIEW_PB1176_PORT
@ -1231,6 +1240,7 @@ config DEBUG_UART_VIRT
default 0xf2100000 if DEBUG_PXA_UART1
default 0xf4090000 if ARCH_LPC32XX
default 0xf4200000 if ARCH_GEMINI
default 0xf7000000 if DEBUG_SUN9I_UART0
default 0xf7000000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART0 || \
DEBUG_S3C2410_UART0)
default 0xf7004000 if DEBUG_S3C24XX_UART && (DEBUG_S3C_UART1 || \

7
arch/arm/mach-sunxi/Kconfig
View File

@ -42,4 +42,11 @@ config MACH_SUN8I
select MFD_SUN6I_PRCM
select RESET_CONTROLLER
config MACH_SUN9I
bool "Allwinner (sun9i) SoCs support"
default ARCH_SUNXI
select ARCH_HAS_RESET_CONTROLLER
select ARM_GIC
select RESET_CONTROLLER
endif

2
arch/arm/mach-sunxi/platsmp.c
View File

@ -116,7 +116,7 @@ static int sun6i_smp_boot_secondary(unsigned int cpu,
return 0;
}
struct smp_operations sun6i_smp_ops __initdata = {
static struct smp_operations sun6i_smp_ops __initdata = {
.smp_prepare_cpus = sun6i_smp_prepare_cpus,
.smp_boot_secondary = sun6i_smp_boot_secondary,
};

9
arch/arm/mach-sunxi/sunxi.c
View File

@ -63,3 +63,12 @@ static const char * const sun8i_board_dt_compat[] = {
DT_MACHINE_START(SUN8I_DT, "Allwinner sun8i (A23) Family")
.dt_compat = sun8i_board_dt_compat,
MACHINE_END
static const char * const sun9i_board_dt_compat[] = {
"allwinner,sun9i-a80",
NULL,
};
DT_MACHINE_START(SUN9I_DT, "Allwinner sun9i Family")
.dt_compat = sun9i_board_dt_compat,
MACHINE_END