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ralink: make the mt7621 irq core with with the new CM api

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Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 44418
This commit is contained in:
John Crispin 2015-02-12 08:07:39 +00:00
parent de8d6e447c
commit 44b929fcdd
2 changed files with 62 additions and 30 deletions
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34
target/linux/ramips/mt7621/config-default
View file

@ -2,9 +2,11 @@ CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
CONFIG_ARCH_DISCARD_MEMBLOCK=y
CONFIG_ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE=y
CONFIG_ARCH_HAS_RESET_CONTROLLER=y
# CONFIG_ARCH_HAS_SG_CHAIN is not set
CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y
CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y
CONFIG_ARCH_MIGHT_HAVE_PC_SERIO=y
# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set
CONFIG_ARCH_REQUIRE_GPIOLIB=y
CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y
CONFIG_BOARD_SCACHE=y
@ -26,11 +28,13 @@ CONFIG_CPU_MIPS32_R2=y
CONFIG_CPU_MIPSR2=y
CONFIG_CPU_MIPSR2_IRQ_EI=y
CONFIG_CPU_MIPSR2_IRQ_VI=y
CONFIG_CPU_NEEDS_NO_SMARTMIPS_OR_MICROMIPS=y
CONFIG_CPU_R4K_CACHE_TLB=y
CONFIG_CPU_R4K_FPU=y
CONFIG_CPU_RMAP=y
CONFIG_CPU_SUPPORTS_32BIT_KERNEL=y
CONFIG_CPU_SUPPORTS_HIGHMEM=y
CONFIG_CPU_SUPPORTS_MSA=y
CONFIG_CSRC_R4K=y
CONFIG_DEBUG_PINCTRL=y
CONFIG_DMA_NONCOHERENT=y
@ -44,7 +48,6 @@ CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
CONFIG_GENERIC_CMOS_UPDATE=y
CONFIG_GENERIC_IO=y
CONFIG_GENERIC_IRQ_SHOW=y
CONFIG_GENERIC_NET_UTILS=y
CONFIG_GENERIC_PCI_IOMAP=y
CONFIG_GENERIC_SMP_IDLE_THREAD=y
CONFIG_GPIOLIB=y
@ -55,12 +58,14 @@ CONFIG_GPIO_SYSFS=y
CONFIG_HARDWARE_WATCHPOINTS=y
CONFIG_HAS_DMA=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT=y
CONFIG_HAS_IOPORT_MAP=y
# CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set
CONFIG_HAVE_ARCH_JUMP_LABEL=y
CONFIG_HAVE_ARCH_KGDB=y
CONFIG_HAVE_ARCH_SECCOMP_FILTER=y
CONFIG_HAVE_ARCH_TRACEHOOK=y
# CONFIG_HAVE_BOOTMEM_INFO_NODE is not set
CONFIG_HAVE_BPF_JIT=y
CONFIG_HAVE_CC_STACKPROTECTOR=y
CONFIG_HAVE_CLK=y
CONFIG_HAVE_CONTEXT_TRACKING=y
@ -69,11 +74,11 @@ CONFIG_HAVE_DEBUG_KMEMLEAK=y
CONFIG_HAVE_DEBUG_STACKOVERFLOW=y
CONFIG_HAVE_DMA_API_DEBUG=y
CONFIG_HAVE_DMA_ATTRS=y
CONFIG_HAVE_DMA_CONTIGUOUS=y
CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
CONFIG_HAVE_GENERIC_DMA_COHERENT=y
CONFIG_HAVE_IDE=y
CONFIG_HAVE_KVM=y
@ -95,19 +100,21 @@ CONFIG_IRQ_DOMAIN=y
CONFIG_IRQ_FORCED_THREADING=y
CONFIG_IRQ_GIC=y
CONFIG_IRQ_WORK=y
CONFIG_KERNFS=y
CONFIG_LIBFDT=y
CONFIG_MDIO_BOARDINFO=y
CONFIG_MIPS=y
CONFIG_MIPS_CM=y
CONFIG_MIPS_CMP=y
CONFIG_MIPS_CPU_SCACHE=y
CONFIG_MIPS_GIC_IPI=y
# CONFIG_MIPS_HUGE_TLB_SUPPORT is not set
CONFIG_MIPS_L1_CACHE_SHIFT=6
CONFIG_MIPS_L1_CACHE_SHIFT_6=y
# CONFIG_MIPS_MACHINE is not set
CONFIG_MIPS_MT=y
# CONFIG_MIPS_MT_DISABLED is not set
CONFIG_MIPS_MT_FPAFF=y
CONFIG_MIPS_MT_SMP=y
# CONFIG_MIPS_MT_SMTC is not set
# CONFIG_MIPS_O32_FP64_SUPPORT is not set
CONFIG_MIPS_PERF_SHARED_TC_COUNTERS=y
# CONFIG_MIPS_VPE_LOADER is not set
@ -115,10 +122,10 @@ CONFIG_MODULES_USE_ELF_REL=y
CONFIG_MT7621_WDT=y
# CONFIG_MTD_CFI_INTELEXT is not set
CONFIG_MTD_CMDLINE_PARTS=y
CONFIG_MTD_M25P80=y
CONFIG_MTD_PHYSMAP=y
CONFIG_MTD_SPLIT_FIRMWARE=y
CONFIG_MTD_SPLIT_SEAMA_FW=y
CONFIG_MTD_SPLIT_SUPPORT=y
CONFIG_MTD_SPLIT_TRX_FW=y
CONFIG_MTD_SPLIT_UIMAGE_FW=y
CONFIG_NEED_DMA_MAP_STATE=y
@ -128,9 +135,11 @@ CONFIG_NET_RALINK_GSW_MT7620=y
CONFIG_NET_RALINK_MDIO=y
CONFIG_NET_RALINK_MT7620=y
CONFIG_NO_GENERIC_PCI_IOPORT_MAP=y
# CONFIG_NO_IOPORT_MAP is not set
CONFIG_NR_CPUS=4
CONFIG_OF=y
CONFIG_OF_ADDRESS=y
CONFIG_OF_ADDRESS_PCI=y
CONFIG_OF_EARLY_FLATTREE=y
CONFIG_OF_FLATTREE=y
CONFIG_OF_GPIO=y
@ -146,16 +155,18 @@ CONFIG_PCI_DISABLE_COMMON_QUIRKS=y
CONFIG_PCI_DOMAINS=y
CONFIG_PERF_USE_VMALLOC=y
CONFIG_PHYLIB=y
# CONFIG_PINCONF is not set
# CONFIG_PHY_RALINK_USB is not set
CONFIG_PINCTRL=y
CONFIG_PINCTRL_RT2880=y
# CONFIG_PINCTRL_SINGLE is not set
CONFIG_POWER_RESET=y
CONFIG_POWER_RESET_GPIO=y
# CONFIG_POWER_RESET_GPIO_RESTART is not set
# CONFIG_POWER_RESET_LTC2952 is not set
# CONFIG_POWER_RESET_SYSCON is not set
CONFIG_POWER_SUPPLY=y
# CONFIG_PREEMPT_RCU is not set
CONFIG_RALINK=y
CONFIG_RALINK_USBPHY=y
# CONFIG_RALINK_WDT is not set
CONFIG_RCU_STALL_COMMON=y
CONFIG_RESET_CONTROLLER=y
@ -188,21 +199,16 @@ CONFIG_SYS_HAS_EARLY_PRINTK=y
CONFIG_SYS_SUPPORTS_32BIT_KERNEL=y
CONFIG_SYS_SUPPORTS_ARBIT_HZ=y
CONFIG_SYS_SUPPORTS_LITTLE_ENDIAN=y
CONFIG_SYS_SUPPORTS_MIPS16=y
CONFIG_SYS_SUPPORTS_MIPS_CMP=y
CONFIG_SYS_SUPPORTS_MULTITHREADING=y
CONFIG_SYS_SUPPORTS_SCHED_SMT=y
CONFIG_SYS_SUPPORTS_SMP=y
CONFIG_TICK_CPU_ACCOUNTING=y
CONFIG_TREE_RCU=y
# CONFIG_USB_EHCI_HCD is not set
CONFIG_USB_MT7621_XHCI_PLATFORM=y
CONFIG_USB_PHY=y
CONFIG_USB_SUPPORT=y
# CONFIG_USB_UHCI_HCD is not set
CONFIG_USB_XHCI_PLATFORM=y
CONFIG_USE_OF=y
CONFIG_WATCHDOG_CORE=y
CONFIG_WEAK_ORDERING=y
CONFIG_XPS=y
CONFIG_ZONE_DMA_FLAG=0
# CONFIG_MTK_MTD_NAND is not set

58
target/linux/ramips/patches-3.18/0012-MIPS-ralink-add-MT7621-support.patch
View file

@ -78,7 +78,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+#endif
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -51,6 +51,7 @@ SECTIONS
@@ -51,6 +51,7 @@
/* read-only */
_text = .; /* Text and read-only data */
.text : {
@ -88,7 +88,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
LOCK_TEXT
--- a/arch/mips/ralink/Kconfig
+++ b/arch/mips/ralink/Kconfig
@@ -7,6 +7,11 @@ config CLKEVT_RT3352
@@ -7,6 +7,11 @@
select CLKSRC_OF
select CLKSRC_MMIO
@ -100,7 +100,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
choice
prompt "Ralink SoC selection"
default SOC_RT305X
@@ -28,6 +33,15 @@ choice
@@ -28,6 +33,15 @@
config SOC_MT7620
bool "MT7620"
@ -116,7 +116,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
endchoice
choice
@@ -59,6 +73,10 @@ choice
@@ -59,6 +73,10 @@
depends on SOC_MT7620
select BUILTIN_DTB
@ -154,7 +154,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
--- a/arch/mips/ralink/Platform
+++ b/arch/mips/ralink/Platform
@@ -27,3 +27,8 @@ cflags-$(CONFIG_SOC_RT3883) += -I$(srctr
@@ -27,3 +27,8 @@
#
load-$(CONFIG_SOC_MT7620) += 0xffffffff80000000
cflags-$(CONFIG_SOC_MT7620) += -I$(srctree)/arch/mips/include/asm/mach-ralink/mt7620
@ -165,7 +165,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+cflags-$(CONFIG_SOC_MT7621) += -I$(srctree)/arch/mips/include/asm/mach-ralink/mt7621
--- /dev/null
+++ b/arch/mips/ralink/irq-gic.c
@@ -0,0 +1,271 @@
@@ -0,0 +1,268 @@
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
@ -185,9 +185,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+#include <asm/setup.h>
+
+#include <asm/gic.h>
+#include <asm/gcmpregs.h>
+
+#include <asm/mach-ralink/mt7621.h>
+#define GIC_BASE_ADDR 0x1fbc0000
+
+unsigned long _gcmp_base;
+static int gic_resched_int_base = 56;
@ -241,7 +241,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ gic_intr_map[i].pin = GIC_CPU_INT0;
+ gic_intr_map[i].polarity = GIC_POL_POS;
+ gic_intr_map[i].trigtype = GIC_TRIG_LEVEL;
+ gic_intr_map[i].flags = GIC_FLAG_IPI;
+ gic_intr_map[i].flags = 0;
+ }
+
+#if defined(CONFIG_MIPS_MT_SMP)
@ -388,11 +388,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ if (!_gcmp_base)
+ panic("Failed to remap gcmp memory\n");
+
+ if ((GCMPGCB(GCMPB) & GCMP_GCB_GCMPB_GCMPBASE_MSK) != gcmp.start)
+ panic("Failed to find gcmp core\n");
+
+ /* tell the gcmp where to find the gic */
+ GCMPGCB(GICBA) = gic.start | GCMP_GCB_GICBA_EN_MSK;
+ write_gcr_gic_base(GIC_BASE_ADDR | CM_GCR_GIC_BASE_GICEN_MSK);
+ gic_present = 1;
+ if (cpu_has_vint) {
+ set_vi_handler(2, gic_irqdispatch);
@ -523,7 +520,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+}
--- /dev/null
+++ b/arch/mips/ralink/mt7621.c
@@ -0,0 +1,183 @@
@@ -0,0 +1,192 @@
+/*
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
@ -539,10 +536,11 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <asm/gcmpregs.h>
+
+#include <asm/mipsregs.h>
+#include <asm/smp-ops.h>
+#include <asm/mips-cm.h>
+#include <asm/mips-cpc.h>
+#include <asm/mach-ralink/ralink_regs.h>
+#include <asm/mach-ralink/mt7621.h>
+
@ -704,6 +702,34 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+
+ rt2880_pinmux_data = mt7621_pinmux_data;
+
+ if (register_cmp_smp_ops())
+ panic("failed to register_vsmp_smp_ops()");
+ /* Early detection of CMP support */
+ mips_cm_probe();
+ mips_cpc_probe();
+
+ if (!register_cps_smp_ops())
+ return;
+ if (!register_cmp_smp_ops())
+ return;
+ if (!register_vsmp_smp_ops())
+ return;
+}
--- a/arch/mips/kernel/mips-cm.c
+++ b/arch/mips/kernel/mips-cm.c
@@ -105,7 +105,7 @@
write_gcr_base(base_reg);
/* disable CM regions */
- write_gcr_reg0_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
+/* write_gcr_reg0_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
write_gcr_reg0_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
write_gcr_reg1_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
write_gcr_reg1_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
@@ -113,7 +113,7 @@
write_gcr_reg2_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
write_gcr_reg3_base(CM_GCR_REGn_BASE_BASEADDR_MSK);
write_gcr_reg3_mask(CM_GCR_REGn_MASK_ADDRMASK_MSK);
-
+*/
/* probe for an L2-only sync region */
mips_cm_probe_l2sync();