mips: octeon: Initial minimal support for the Marvell Octeon SoC
This patch adds very basic support for the Octeon III SoCs. Only
CFI parallel NOR flash and UART is supported for now.
Please note that the basic Octeon port does not include the DDR3/4
initialization yet. This will be added in some follow-up patches
later. To still use U-Boot on with this port, the L2 cache (4MiB on
Octeon III CN73xx) is used as RAM. This way, U-Boot can boot to the
prompt on such boards.
Signed-off-by: Aaron Williams <awilliams@marvell.com>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 652e6a9..d2a0a35 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -106,6 +106,25 @@
select OF_CONTROL
select DM
+config ARCH_OCTEON
+ bool "Support Marvell Octeon CN7xxx platforms"
+ select CPU_CAVIUM_OCTEON
+ select DISPLAY_CPUINFO
+ select DMA_ADDR_T_64BIT
+ select DM
+ select DM_SERIAL
+ select DM_GPIO
+ select DM_ETH
+ select MIPS_L2_CACHE
+ select MIPS_TUNE_OCTEON3
+ select ROM_EXCEPTION_VECTORS
+ select SUPPORTS_BIG_ENDIAN
+ select SUPPORTS_CPU_MIPS64_OCTEON
+ select PHYS_64BIT
+ select OF_CONTROL
+ select OF_LIVE
+ imply CMD_DM
+
config MACH_PIC32
bool "Support Microchip PIC32"
select DM
@@ -160,6 +179,7 @@
source "arch/mips/mach-jz47xx/Kconfig"
source "arch/mips/mach-pic32/Kconfig"
source "arch/mips/mach-mtmips/Kconfig"
+source "arch/mips/mach-octeon/Kconfig"
if MIPS
@@ -233,6 +253,14 @@
Choose this option to build a kernel for release 6 or later of the
MIPS64 architecture.
+config CPU_MIPS64_OCTEON
+ bool "Marvell Octeon series of CPUs"
+ depends on SUPPORTS_CPU_MIPS64_OCTEON
+ select 64BIT
+ help
+ Choose this option for Marvell Octeon CPUs. These CPUs are between
+ MIPS64 R5 and R6 with other extensions.
+
endchoice
menu "General setup"
@@ -431,6 +459,12 @@
config SUPPORTS_CPU_MIPS64_R6
bool
+config SUPPORTS_CPU_MIPS64_OCTEON
+ bool
+
+config CPU_CAVIUM_OCTEON
+ bool
+
config CPU_MIPS32
bool
default y if CPU_MIPS32_R1 || CPU_MIPS32_R2 || CPU_MIPS32_R6
@@ -438,6 +472,7 @@
config CPU_MIPS64
bool
default y if CPU_MIPS64_R1 || CPU_MIPS64_R2 || CPU_MIPS64_R6
+ default y if CPU_MIPS64_OCTEON
config MIPS_TUNE_4KC
bool
@@ -454,6 +489,9 @@
config MIPS_TUNE_74KC
bool
+config MIPS_TUNE_OCTEON3
+ bool
+
config 32BIT
bool
@@ -486,6 +524,11 @@
before it can be used. If enabled, a function mips_sram_init() will
be called just before setup_stack_gd.
+config DMA_ADDR_T_64BIT
+ bool
+ help
+ Select this to enable 64-bit DMA addressing
+
config SYS_DCACHE_SIZE
int
default 0