Commit 0e476d91 authored by Huacai Chen's avatar Huacai Chen Committed by Ralf Baechle

MIPS: Loongson: Add Loongson-3 Kconfig options

Added Kconfig options include: Loongson-3 CPU and machine definition,
CPU cache features, UEFI-like firmware interface (LEFI), HT-linked PCI,
and swiotlb support.
Signed-off-by: default avatarHuacai Chen <chenhc@lemote.com>
Signed-off-by: default avatarHongliang Tao <taohl@lemote.com>
Signed-off-by: default avatarHua Yan <yanh@lemote.com>
Tested-by: default avatarAlex Smith <alex.smith@imgtec.com>
Reviewed-by: default avatarAlex Smith <alex.smith@imgtec.com>
Cc: John Crispin <john@phrozen.org>
Cc: Steven J. Hill <Steven.Hill@imgtec.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: linux-mips@linux-mips.org
Cc: Fuxin Zhang <zhangfx@lemote.com>
Cc: Zhangjin Wu <wuzhangjin@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/6637Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 1299b0e0
...@@ -1153,6 +1153,18 @@ choice ...@@ -1153,6 +1153,18 @@ choice
prompt "CPU type" prompt "CPU type"
default CPU_R4X00 default CPU_R4X00
config CPU_LOONGSON3
bool "Loongson 3 CPU"
depends on SYS_HAS_CPU_LOONGSON3
select CPU_SUPPORTS_64BIT_KERNEL
select CPU_SUPPORTS_HIGHMEM
select CPU_SUPPORTS_HUGEPAGES
select WEAK_ORDERING
select WEAK_REORDERING_BEYOND_LLSC
help
The Loongson 3 processor implements the MIPS64R2 instruction
set with many extensions.
config CPU_LOONGSON2E config CPU_LOONGSON2E
bool "Loongson 2E" bool "Loongson 2E"
depends on SYS_HAS_CPU_LOONGSON2E depends on SYS_HAS_CPU_LOONGSON2E
...@@ -1549,6 +1561,10 @@ config CPU_BMIPS5000 ...@@ -1549,6 +1561,10 @@ config CPU_BMIPS5000
select SYS_SUPPORTS_SMP select SYS_SUPPORTS_SMP
select SYS_SUPPORTS_HOTPLUG_CPU select SYS_SUPPORTS_HOTPLUG_CPU
config SYS_HAS_CPU_LOONGSON3
bool
select CPU_SUPPORTS_CPUFREQ
config SYS_HAS_CPU_LOONGSON2E config SYS_HAS_CPU_LOONGSON2E
bool bool
...@@ -1761,7 +1777,7 @@ choice ...@@ -1761,7 +1777,7 @@ choice
config PAGE_SIZE_4KB config PAGE_SIZE_4KB
bool "4kB" bool "4kB"
depends on !CPU_LOONGSON2 depends on !CPU_LOONGSON2 && !CPU_LOONGSON3
help help
This option select the standard 4kB Linux page size. On some This option select the standard 4kB Linux page size. On some
R3000-family processors this is the only available page size. Using R3000-family processors this is the only available page size. Using
...@@ -2493,6 +2509,17 @@ config PCI ...@@ -2493,6 +2509,17 @@ config PCI
your box. Other bus systems are ISA, EISA, or VESA. If you have PCI, your box. Other bus systems are ISA, EISA, or VESA. If you have PCI,
say Y, otherwise N. say Y, otherwise N.
config HT_PCI
bool "Support for HT-linked PCI"
default y
depends on CPU_LOONGSON3
select PCI
select PCI_DOMAINS
help
Loongson family machines use Hyper-Transport bus for inter-core
connection and device connection. The PCI bus is a subordinate
linked at HT. Choose Y for Loongson-3 based machines.
config PCI_DOMAINS config PCI_DOMAINS
bool bool
......
...@@ -59,6 +59,35 @@ config LEMOTE_MACH2F ...@@ -59,6 +59,35 @@ config LEMOTE_MACH2F
These family machines include fuloong2f mini PC, yeeloong2f notebook, These family machines include fuloong2f mini PC, yeeloong2f notebook,
LingLoong allinone PC and so forth. LingLoong allinone PC and so forth.
config LEMOTE_MACH3A
bool "Lemote Loongson 3A family machines"
select ARCH_SPARSEMEM_ENABLE
select GENERIC_ISA_DMA_SUPPORT_BROKEN
select GENERIC_HARDIRQS_NO__DO_IRQ
select BOOT_ELF32
select BOARD_SCACHE
select CSRC_R4K
select CEVT_R4K
select CPU_HAS_WB
select HW_HAS_PCI
select ISA
select HT_PCI
select I8259
select IRQ_CPU
select NR_CPUS_DEFAULT_4
select SYS_HAS_CPU_LOONGSON3
select SYS_HAS_EARLY_PRINTK
select SYS_SUPPORTS_SMP
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_HIGHMEM
select SYS_SUPPORTS_LITTLE_ENDIAN
select LOONGSON_MC146818
select ZONE_DMA32
select LEFI_FIRMWARE_INTERFACE
help
Lemote Loongson 3A family machines utilize the 3A revision of
Loongson processor and RS780/SBX00 chipset.
endchoice endchoice
config CS5536 config CS5536
...@@ -86,8 +115,25 @@ config LOONGSON_UART_BASE ...@@ -86,8 +115,25 @@ config LOONGSON_UART_BASE
default y default y
depends on EARLY_PRINTK || SERIAL_8250 depends on EARLY_PRINTK || SERIAL_8250
config IOMMU_HELPER
bool
config NEED_SG_DMA_LENGTH
bool
config SWIOTLB
bool "Soft IOMMU Support for All-Memory DMA"
default y
depends on CPU_LOONGSON3
select IOMMU_HELPER
select NEED_SG_DMA_LENGTH
select NEED_DMA_MAP_STATE
config LOONGSON_MC146818 config LOONGSON_MC146818
bool bool
default n default n
config LEFI_FIRMWARE_INTERFACE
bool
endif # MACH_LOONGSON endif # MACH_LOONGSON
...@@ -30,3 +30,4 @@ platform-$(CONFIG_MACH_LOONGSON) += loongson/ ...@@ -30,3 +30,4 @@ platform-$(CONFIG_MACH_LOONGSON) += loongson/
cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson -mno-branch-likely cflags-$(CONFIG_MACH_LOONGSON) += -I$(srctree)/arch/mips/include/asm/mach-loongson -mno-branch-likely
load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000 load-$(CONFIG_LEMOTE_FULOONG2E) += 0xffffffff80100000
load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000 load-$(CONFIG_LEMOTE_MACH2F) += 0xffffffff80200000
load-$(CONFIG_CPU_LOONGSON3) += 0xffffffff80200000
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