Merge tag 'mips_5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux

Pull MIPS updates from Thomas Bogendoerfer:

 - removed support for PNX833x alias NXT_STB22x

 - included Ingenic SoC support into generic MIPS kernels

 - added support for new Ingenic SoCs

 - converted workaround selection to use Kconfig

 - replaced old boot mem functions by memblock_*

 - enabled COP2 usage in kernel for Loongson64 to make use
   of 16byte load/stores possible

 - cleanups and fixes

* tag 'mips_5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (92 commits)
  MIPS: DEC: Restore bootmem reservation for firmware working memory area
  MIPS: dec: fix section mismatch
  bcm963xx_tag.h: fix duplicated word
  mips: ralink: enable zboot support
  MIPS: ingenic: Remove CPU_SUPPORTS_HUGEPAGES
  MIPS: cpu-probe: remove MIPS_CPU_BP_GHIST option bit
  MIPS: cpu-probe: introduce exclusive R3k CPU probe
  MIPS: cpu-probe: move fpu probing/handling into its own file
  MIPS: replace add_memory_region with memblock
  MIPS: Loongson64: Clean up numa.c
  MIPS: Loongson64: Select SMP in Kconfig to avoid build error
  mips: octeon: Add Ubiquiti E200 and E220 boards
  MIPS: SGI-IP28: disable use of ll/sc in kernel
  MIPS: tx49xx: move tx4939_add_memory_regions into only user
  MIPS: pgtable: Remove used PAGE_USERIO define
  MIPS: alchemy: Share prom_init implementation
  MIPS: alchemy: Fix build breakage, if TOUCHSCREEN_WM97XX is disabled
  MIPS: process: include exec.h header in process.c
  MIPS: process: Add prototype for function arch_dup_task_struct
  MIPS: idle: Add prototype for function check_wait
  ...

Documentation/devicetree/bindings/mips/ingenic/devices.yaml

@@ -47,4 +47,9 @@ properties:
         items:
           - const: yna,cu1830-neo
           - const: ingenic,x1830
+
+      - description: YSH & ATIL General Board, CU2000 Module with Neo Backplane
+        items:
+          - const: yna,cu2000-neo
+          - const: ingenic,x2000e
 ...

MAINTAINERS

@@ -8675,8 +8675,9 @@ INGENIC JZ47xx SoCs
 M:	Paul Cercueil <paul@crapouillou.net>
 S:	Maintained
 F:	arch/mips/boot/dts/ingenic/
-F:	arch/mips/include/asm/mach-jz4740/
-F:	arch/mips/jz4740/
+F:	arch/mips/generic/board-ingenic.c
+F:	arch/mips/include/asm/mach-ingenic/
+F:	arch/mips/ingenic/Kconfig
 F:	drivers/clk/ingenic/
 F:	drivers/dma/dma-jz4780.c
 F:	drivers/gpu/drm/ingenic/

arch/mips/Kbuild.platforms

@@ -13,7 +13,6 @@ platform-$(CONFIG_MIPS_COBALT)		+= cobalt/
 platform-$(CONFIG_MACH_DECSTATION)	+= dec/
 platform-$(CONFIG_MIPS_GENERIC)		+= generic/
 platform-$(CONFIG_MACH_JAZZ)		+= jazz/
-platform-$(CONFIG_MACH_INGENIC)		+= jz4740/
 platform-$(CONFIG_LANTIQ)		+= lantiq/
 platform-$(CONFIG_MACH_LOONGSON2EF)	+= loongson2ef/
 platform-$(CONFIG_MACH_LOONGSON32)	+= loongson32/
@@ -22,7 +21,6 @@ platform-$(CONFIG_MIPS_MALTA)		+= mti-malta/
 platform-$(CONFIG_NLM_COMMON)		+= netlogic/
 platform-$(CONFIG_PIC32MZDA)		+= pic32/
 platform-$(CONFIG_MACH_PISTACHIO)	+= pistachio/
-platform-$(CONFIG_SOC_PNX833X)		+= pnx833x/
 platform-$(CONFIG_RALINK)		+= ralink/
 platform-$(CONFIG_MIKROTIK_RB532)	+= rb532/
 platform-$(CONFIG_SGI_IP22)		+= sgi-ip22/

arch/mips/Kconfig

@@ -94,14 +94,34 @@ config MIPS
 config MIPS_FIXUP_BIGPHYS_ADDR
 	bool
 
+config MIPS_GENERIC
+	bool
+
+config MACH_INGENIC
+	bool
+	select SYS_SUPPORTS_32BIT_KERNEL
+	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select SYS_SUPPORTS_ZBOOT
+	select DMA_NONCOHERENT
+	select IRQ_MIPS_CPU
+	select PINCTRL
+	select GPIOLIB
+	select COMMON_CLK
+	select GENERIC_IRQ_CHIP
+	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
+	select USE_OF
+	select CPU_SUPPORTS_CPUFREQ
+	select MIPS_EXTERNAL_TIMER
+
 menu "Machine selection"
 
 choice
 	prompt "System type"
-	default MIPS_GENERIC
+	default MIPS_GENERIC_KERNEL
 
-config MIPS_GENERIC
+config MIPS_GENERIC_KERNEL
 	bool "Generic board-agnostic MIPS kernel"
+	select MIPS_GENERIC
 	select BOOT_RAW
 	select BUILTIN_DTB
 	select CEVT_R4K
@@ -138,6 +158,7 @@ config MIPS_GENERIC
 	select SYS_SUPPORTS_MULTITHREADING
 	select SYS_SUPPORTS_RELOCATABLE
 	select SYS_SUPPORTS_SMARTMIPS
+	select SYS_SUPPORTS_ZBOOT
 	select UHI_BOOT
 	select USB_EHCI_BIG_ENDIAN_DESC if CPU_BIG_ENDIAN
 	select USB_EHCI_BIG_ENDIAN_MMIO if CPU_BIG_ENDIAN
@@ -390,20 +411,11 @@ config MACH_JAZZ
 	  Members include the Acer PICA, MIPS Magnum 4000, MIPS Millennium and
 	  Olivetti M700-10 workstations.
 
-config MACH_INGENIC
+config MACH_INGENIC_SOC
 	bool "Ingenic SoC based machines"
-	select SYS_SUPPORTS_32BIT_KERNEL
-	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select MIPS_GENERIC
+	select MACH_INGENIC
 	select SYS_SUPPORTS_ZBOOT_UART16550
-	select CPU_SUPPORTS_HUGEPAGES
-	select DMA_NONCOHERENT
-	select IRQ_MIPS_CPU
-	select PINCTRL
-	select GPIOLIB
-	select COMMON_CLK
-	select GENERIC_IRQ_CHIP
-	select BUILTIN_DTB if MIPS_NO_APPENDED_DTB
-	select USE_OF
 
 config LANTIQ
 	bool "Lantiq based platforms"
@@ -476,6 +488,7 @@ config MACH_LOONGSON64
 	select SYS_SUPPORTS_ZBOOT
 	select ZONE_DMA32
 	select NUMA
+	select SMP
 	select COMMON_CLK
 	select USE_OF
 	select BUILTIN_DTB
@@ -569,6 +582,7 @@ config MIPS_MALTA
 	select SYS_SUPPORTS_VPE_LOADER
 	select SYS_SUPPORTS_ZBOOT
 	select USE_OF
+	select WAR_ICACHE_REFILLS
 	select ZONE_DMA32 if 64BIT
 	help
 	  This enables support for the MIPS Technologies Malta evaluation
@@ -590,19 +604,6 @@ config MACH_VR41XX
 	select SYS_SUPPORTS_MIPS16
 	select GPIOLIB
 
-config NXP_STB220
-	bool "NXP STB220 board"
-	select SOC_PNX833X
-	help
-	  Support for NXP Semiconductors STB220 Development Board.
-
-config NXP_STB225
-	bool "NXP 225 board"
-	select SOC_PNX833X
-	select SOC_PNX8335
-	help
-	  Support for NXP Semiconductors STB225 Development Board.
-
 config RALINK
 	bool "Ralink based machines"
 	select CEVT_R4K
@@ -616,6 +617,7 @@ config RALINK
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_SUPPORTS_MIPS16
+	select SYS_SUPPORTS_ZBOOT
 	select SYS_HAS_EARLY_PRINTK
 	select CLKDEV_LOOKUP
 	select ARCH_HAS_RESET_CONTROLLER
@@ -652,6 +654,9 @@ config SGI_IP22
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
+	select WAR_R4600_V1_INDEX_ICACHEOP
+	select WAR_R4600_V1_HIT_CACHEOP
+	select WAR_R4600_V2_HIT_CACHEOP
 	select MIPS_L1_CACHE_SHIFT_7
 	help
 	  This are the SGI Indy, Challenge S and Indigo2, as well as certain
@@ -679,6 +684,7 @@ config SGI_IP27
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_SUPPORTS_NUMA
 	select SYS_SUPPORTS_SMP
+	select WAR_R10000_LLSC
 	select MIPS_L1_CACHE_SHIFT_7
 	select NUMA
 	help
@@ -714,6 +720,7 @@ config SGI_IP28
 	select SYS_HAS_EARLY_PRINTK
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
+	select WAR_R10000_LLSC
 	select MIPS_L1_CACHE_SHIFT_7
 	help
 	  This is the SGI Indigo2 with R10000 processor.  To compile a Linux
@@ -740,6 +747,7 @@ config SGI_IP30
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_SUPPORTS_SMP
+	select WAR_R10000_LLSC
 	select MIPS_L1_CACHE_SHIFT_7
 	select ARC_MEMORY
 	help
@@ -767,6 +775,7 @@ config SGI_IP32
 	select SYS_HAS_CPU_NEVADA
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
+	select WAR_ICACHE_REFILLS
 	help
 	  If you want this kernel to run on SGI O2 workstation, say Y here.
 
@@ -890,6 +899,7 @@ config SNI_RM
 	select SYS_SUPPORTS_BIG_ENDIAN
 	select SYS_SUPPORTS_HIGHMEM
 	select SYS_SUPPORTS_LITTLE_ENDIAN
+	select WAR_R4600_V2_HIT_CACHEOP
 	help
 	  The SNI RM200/300/400 are MIPS-based machines manufactured by
 	  Siemens Nixdorf Informationssysteme (SNI), parent company of Pyramid
@@ -901,6 +911,7 @@ config MACH_TX39XX
 
 config MACH_TX49XX
 	bool "Toshiba TX49 series based machines"
+	select WAR_TX49XX_ICACHE_INDEX_INV
 
 config MIKROTIK_RB532
 	bool "Mikrotik RB532 boards"
@@ -1026,8 +1037,8 @@ source "arch/mips/bcm47xx/Kconfig"
 source "arch/mips/bcm63xx/Kconfig"
 source "arch/mips/bmips/Kconfig"
 source "arch/mips/generic/Kconfig"
+source "arch/mips/ingenic/Kconfig"
 source "arch/mips/jazz/Kconfig"
-source "arch/mips/jz4740/Kconfig"
 source "arch/mips/lantiq/Kconfig"
 source "arch/mips/pic32/Kconfig"
 source "arch/mips/pistachio/Kconfig"
@@ -1267,23 +1278,6 @@ config PCI_XTALK_BRIDGE
 config NO_EXCEPT_FILL
 	bool
 
-config SOC_PNX833X
-	bool
-	select CEVT_R4K
-	select CSRC_R4K
-	select IRQ_MIPS_CPU
-	select DMA_NONCOHERENT
-	select SYS_HAS_CPU_MIPS32_R2
-	select SYS_SUPPORTS_32BIT_KERNEL
-	select SYS_SUPPORTS_LITTLE_ENDIAN
-	select SYS_SUPPORTS_BIG_ENDIAN
-	select SYS_SUPPORTS_MIPS16
-	select CPU_MIPSR2_IRQ_VI
-
-config SOC_PNX8335
-	bool
-	select SOC_PNX833X
-
 config MIPS_SPRAM
 	bool
 
@@ -1620,7 +1614,6 @@ config CPU_P5600
 	select CPU_SUPPORTS_32BIT_KERNEL
 	select CPU_SUPPORTS_HIGHMEM
 	select CPU_SUPPORTS_MSA
-	select CPU_SUPPORTS_UNCACHED_ACCELERATED
 	select CPU_SUPPORTS_CPUFREQ
 	select CPU_MIPSR2_IRQ_VI
 	select CPU_MIPSR2_IRQ_EI
@@ -1891,6 +1884,7 @@ config SYS_SUPPORTS_ZBOOT
 	select HAVE_KERNEL_LZMA
 	select HAVE_KERNEL_LZO
 	select HAVE_KERNEL_XZ
+	select HAVE_KERNEL_ZSTD
 
 config SYS_SUPPORTS_ZBOOT_UART16550
 	bool
@@ -2272,7 +2266,7 @@ config FORCE_MAX_ZONEORDER
 	default "13" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_32KB
 	range 12 64 if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
 	default "12" if MIPS_HUGE_TLB_SUPPORT && PAGE_SIZE_16KB
-	range 11 64
+	range 0 64
 	default "11"
 	help
 	  The kernel memory allocator divides physically contiguous memory
@@ -2638,6 +2632,76 @@ config MIPS_ASID_BITS_VARIABLE
 config MIPS_CRC_SUPPORT
 	bool
 
+# R4600 erratum.  Due to the lack of errata information the exact
+# technical details aren't known.  I've experimentally found that disabling
+# interrupts during indexed I-cache flushes seems to be sufficient to deal
+# with the issue.
+config WAR_R4600_V1_INDEX_ICACHEOP
+	bool
+
+# Pleasures of the R4600 V1.x.  Cite from the IDT R4600 V1.7 errata:
+#
+#  18. The CACHE instructions Hit_Writeback_Invalidate_D, Hit_Writeback_D,
+#      Hit_Invalidate_D and Create_Dirty_Excl_D should only be
+#      executed if there is no other dcache activity. If the dcache is
+#      accessed for another instruction immeidately preceding when these
+#      cache instructions are executing, it is possible that the dcache
+#      tag match outputs used by these cache instructions will be
+#      incorrect. These cache instructions should be preceded by at least
+#      four instructions that are not any kind of load or store
+#      instruction.
+#
+#      This is not allowed:    lw
+#                              nop
+#                              nop
+#                              nop
+#                              cache       Hit_Writeback_Invalidate_D
+#
+#      This is allowed:        lw
+#                              nop
+#                              nop
+#                              nop
+#                              nop
+#                              cache       Hit_Writeback_Invalidate_D
+config WAR_R4600_V1_HIT_CACHEOP
+	bool
+
+# Writeback and invalidate the primary cache dcache before DMA.
+#
+# R4600 v2.0 bug: "The CACHE instructions Hit_Writeback_Inv_D,
+# Hit_Writeback_D, Hit_Invalidate_D and Create_Dirty_Exclusive_D will only
+# operate correctly if the internal data cache refill buffer is empty.  These
+# CACHE instructions should be separated from any potential data cache miss
+# by a load instruction to an uncached address to empty the response buffer."
+# (Revision 2.0 device errata from IDT available on https://www.idt.com/
+# in .pdf format.)
+config WAR_R4600_V2_HIT_CACHEOP
+	bool
+
+# From TX49/H2 manual: "If the instruction (i.e. CACHE) is issued for
+# the line which this instruction itself exists, the following
+# operation is not guaranteed."
+#
+# Workaround: do two phase flushing for Index_Invalidate_I
+config WAR_TX49XX_ICACHE_INDEX_INV
+	bool
+
+# The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
+# opposes it being called that) where invalid instructions in the same
+# I-cache line worth of instructions being fetched may case spurious
+# exceptions.
+config WAR_ICACHE_REFILLS
+	bool
+
+# On the R10000 up to version 2.6 (not sure about 2.7) there is a bug that
+# may cause ll / sc and lld / scd sequences to execute non-atomically.
+config WAR_R10000_LLSC
+	bool
+
+# 34K core erratum: "Problems Executing the TLBR Instruction"
+config WAR_MIPS34K_MISSED_ITLB
+	bool
+
 #
 # - Highmem only makes sense for the 32-bit kernel.
 # - The current highmem code will only work properly on physically indexed

arch/mips/alchemy/Kconfig

 # SPDX-License-Identifier: GPL-2.0
-# au1000-style gpio and interrupt controllers
-config ALCHEMY_GPIOINT_AU1000
-	bool
-
-# au1300-style GPIO/INT controller
-config ALCHEMY_GPIOINT_AU1300
-	bool
-
 choice
 	prompt "Machine type"
 	depends on MIPS_ALCHEMY
@@ -15,7 +7,6 @@ choice
 config MIPS_MTX1
 	bool "4G Systems MTX-1 board"
 	select HAVE_PCI
-	select ALCHEMY_GPIOINT_AU1000
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_HAS_EARLY_PRINTK
 
@@ -33,13 +24,11 @@ config MIPS_DB1XXX
 
 config MIPS_XXS1500
 	bool "MyCable XXS1500 board"
-	select ALCHEMY_GPIOINT_AU1000
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_HAS_EARLY_PRINTK
 
 config MIPS_GPR
 	bool "Trapeze ITS GPR board"
-	select ALCHEMY_GPIOINT_AU1000
 	select HAVE_PCI
 	select SYS_SUPPORTS_LITTLE_ENDIAN
 	select SYS_HAS_EARLY_PRINTK

arch/mips/alchemy/board-gpr.c

@@ -31,23 +31,6 @@ const char *get_system_type(void)
 	return "GPR";
 }
 
-void __init prom_init(void)
-{
-	unsigned char *memsize_str;
-	unsigned long memsize;
-
-	prom_argc = fw_arg0;
-	prom_argv = (char **)fw_arg1;
-	prom_envp = (char **)fw_arg2;
-
-	prom_init_cmdline();
-
-	memsize_str = prom_getenv("memsize");
-	if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
-		memsize = 0x04000000;
-	add_memory_region(0, memsize, BOOT_MEM_RAM);
-}
-
 void prom_putchar(char c)
 {
 	alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);

arch/mips/alchemy/board-mtx1.c

@@ -30,23 +30,6 @@ const char *get_system_type(void)
 	return "MTX-1";
 }
 
-void __init prom_init(void)
-{
-	unsigned char *memsize_str;
-	unsigned long memsize;
-
-	prom_argc = fw_arg0;
-	prom_argv = (char **)fw_arg1;
-	prom_envp = (char **)fw_arg2;
-
-	prom_init_cmdline();
-
-	memsize_str = prom_getenv("memsize");
-	if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
-		memsize = 0x04000000;
-	add_memory_region(0, memsize, BOOT_MEM_RAM);
-}
-
 void prom_putchar(char c)
 {
 	alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);

arch/mips/alchemy/board-xxs1500.c

@@ -25,24 +25,6 @@ const char *get_system_type(void)
 	return "XXS1500";
 }
 
-void __init prom_init(void)
-{
-	unsigned char *memsize_str;
-	unsigned long memsize;
-
-	prom_argc = fw_arg0;
-	prom_argv = (char **)fw_arg1;
-	prom_envp = (char **)fw_arg2;
-
-	prom_init_cmdline();
-
-	memsize_str = prom_getenv("memsize");
-	if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
-		memsize = 0x04000000;
-
-	add_memory_region(0, memsize, BOOT_MEM_RAM);
-}
-
 void prom_putchar(char c)
 {
 	alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);

arch/mips/alchemy/common/prom.c

@@ -34,6 +34,9 @@
  */
 
 #include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/memblock.h>
+#include <linux/sizes.h>
 #include <linux/string.h>
 
 #include <asm/bootinfo.h>
@@ -76,6 +79,24 @@ char *prom_getenv(char *envname)
 	return NULL;
 }
 
+void __init prom_init(void)
+{
+	unsigned char *memsize_str;
+	unsigned long memsize;
+
+	prom_argc = (int)fw_arg0;
+	prom_argv = (char **)fw_arg1;
+	prom_envp = (char **)fw_arg2;
+
+	prom_init_cmdline();
+
+	memsize_str = prom_getenv("memsize");
+	if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
+		memsize = SZ_64M; /* minimum memsize is 64MB RAM */
+
+	memblock_add(0, memsize);
+}
+
 static inline unsigned char str2hexnum(unsigned char c)
 {
 	if (c >= '0' && c <= '9')

arch/mips/alchemy/devboards/db1300.c

@@ -731,6 +731,7 @@ static struct platform_device db1300_lcd_dev = {
 
 /**********************************************************************/
 
+#if IS_ENABLED(CONFIG_TOUCHSCREEN_WM97XX)
 static void db1300_wm97xx_irqen(struct wm97xx *wm, int enable)
 {
 	if (enable)
@@ -762,6 +763,12 @@ static int db1300_wm97xx_probe(struct platform_device *pdev)
 
 	return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops);
 }
+#else
+static int db1300_wm97xx_probe(struct platform_device *pdev)
+{
+	return -ENODEV;
+}
+#endif
 
 static struct platform_driver db1300_wm97xx_driver = {
 	.driver.name	= "wm97xx-touch",

arch/mips/alchemy/devboards/platform.c

@@ -20,23 +20,6 @@
 
 #include <prom.h>
 
-void __init prom_init(void)
-{
-	unsigned char *memsize_str;
-	unsigned long memsize;
-
-	prom_argc = (int)fw_arg0;
-	prom_argv = (char **)fw_arg1;
-	prom_envp = (char **)fw_arg2;
-
-	prom_init_cmdline();
-	memsize_str = prom_getenv("memsize");
-	if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
-		memsize = 64 << 20; /* all devboards have at least 64MB RAM */
-
-	add_memory_region(0, memsize, BOOT_MEM_RAM);
-}
-
 void prom_putchar(char c)
 {
 	if (alchemy_get_cputype() == ALCHEMY_CPU_AU1300)

arch/mips/ar7/memory.c

@@ -47,7 +47,7 @@ void __init prom_meminit(void)
 	unsigned long pages;
 
 	pages = memsize() >> PAGE_SHIFT;
-	add_memory_region(PHYS_OFFSET, pages << PAGE_SHIFT, BOOT_MEM_RAM);
+	memblock_add(PHYS_OFFSET, pages << PAGE_SHIFT);
 }
 
 void __init prom_free_prom_memory(void)

arch/mips/ath25/ar2315.c

@@ -19,6 +19,7 @@
 #include <linux/bitops.h>
 #include <linux/irqdomain.h>
 #include <linux/interrupt.h>
+#include <linux/memblock.h>
 #include <linux/platform_device.h>
 #include <linux/reboot.h>
 #include <asm/bootinfo.h>
@@ -266,7 +267,7 @@ void __init ar2315_plat_mem_setup(void)
 	memsize <<= 1 + ATH25_REG_MS(memcfg, AR2315_MEM_CFG_COL_WIDTH);
 	memsize <<= 1 + ATH25_REG_MS(memcfg, AR2315_MEM_CFG_ROW_WIDTH);
 	memsize <<= 3;
-	add_memory_region(0, memsize, BOOT_MEM_RAM);
+	memblock_add(0, memsize);
 	iounmap(sdram_base);
 
 	ar2315_rst_base = ioremap(AR2315_RST_BASE, AR2315_RST_SIZE);

arch/mips/ath25/ar5312.c

@@ -19,6 +19,7 @@
 #include <linux/bitops.h>
 #include <linux/irqdomain.h>
 #include <linux/interrupt.h>
+#include <linux/memblock.h>
 #include <linux/platform_device.h>
 #include <linux/mtd/physmap.h>
 #include <linux/reboot.h>
@@ -363,7 +364,7 @@ void __init ar5312_plat_mem_setup(void)
 	memsize = (bank0_ac ? (1 << (bank0_ac + 1)) : 0) +
 		  (bank1_ac ? (1 << (bank1_ac + 1)) : 0);
 	memsize <<= 20;
-	add_memory_region(0, memsize, BOOT_MEM_RAM);
+	memblock_add(0, memsize);
 	iounmap(sdram_base);
 
 	ar5312_rst_base = ioremap(AR5312_RST_BASE, AR5312_RST_SIZE);

arch/mips/bcm47xx/prom.c

@@ -27,6 +27,7 @@
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
+#include <linux/memblock.h>
 #include <linux/spinlock.h>
 #include <linux/ssb/ssb_driver_chipcommon.h>
 #include <linux/ssb/ssb_regs.h>
@@ -97,7 +98,7 @@ static __init void prom_init_mem(void)
 	 */
 	if (c->cputype == CPU_74K && (mem == (128  << 20)))
 		mem -= 0x1000;
-	add_memory_region(0, mem, BOOT_MEM_RAM);
+	memblock_add(0, mem);
 }
 
 /*

arch/mips/bcm47xx/setup.c

@@ -141,7 +141,7 @@ static void __init bcm47xx_register_bcma(void)
 
 /*
  * Memory setup is done in the early part of MIPS's arch_mem_init. It's supposed
- * to detect memory and record it with add_memory_region.
+ * to detect memory and record it with memblock_add.
  * Any extra initializaion performed here must not use kmalloc or bootmem.
  */
 void __init plat_mem_setup(void)

arch/mips/bcm63xx/setup.c

@@ -146,7 +146,7 @@ void __init plat_time_init(void)
 
 void __init plat_mem_setup(void)
 {
-	add_memory_region(0, bcm63xx_get_memory_size(), BOOT_MEM_RAM);
+	memblock_add(0, bcm63xx_get_memory_size());
 
 	_machine_halt = bcm63xx_machine_halt;
 	_machine_restart = __bcm63xx_machine_reboot;

arch/mips/boot/compressed/Makefile

@@ -22,7 +22,12 @@ KBUILD_CFLAGS := $(filter-out -pg, $(KBUILD_CFLAGS))
 
 KBUILD_CFLAGS := $(filter-out -fstack-protector, $(KBUILD_CFLAGS))
 
-KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ \
+# Disable lq/sq in zboot
+ifdef CONFIG_CPU_LOONGSON64
+KBUILD_CFLAGS := $(filter-out -march=loongson3a, $(KBUILD_CFLAGS)) -march=mips64r2
+endif
+
+KBUILD_CFLAGS := $(KBUILD_CFLAGS) -D__KERNEL__ -D__DISABLE_EXPORTS \
 	-DBOOT_HEAP_SIZE=$(BOOT_HEAP_SIZE) -D"VMLINUX_LOAD_ADDRESS_ULL=$(VMLINUX_LOAD_ADDRESS)ull"
 
 KBUILD_AFLAGS := $(KBUILD_AFLAGS) -D__ASSEMBLY__ \
@@ -70,6 +75,7 @@ tool_$(CONFIG_KERNEL_LZ4)     = lz4
 tool_$(CONFIG_KERNEL_LZMA)    = lzma
 tool_$(CONFIG_KERNEL_LZO)     = lzo
 tool_$(CONFIG_KERNEL_XZ)      = xzkern
+tool_$(CONFIG_KERNEL_ZSTD)    = zstd22
 
 targets += vmlinux.bin.z
 $(obj)/vmlinux.bin.z: $(obj)/vmlinux.bin FORCE

arch/mips/boot/compressed/decompress.c

@@ -72,6 +72,10 @@ void error(char *x)
 #include "../../../../lib/decompress_unxz.c"
 #endif
 
+#ifdef CONFIG_KERNEL_ZSTD
+#include "../../../../lib/decompress_unzstd.c"
+#endif
+
 const unsigned long __stack_chk_guard = 0x000a0dff;
 
 void __stack_chk_fail(void)

arch/mips/boot/compressed/string.c

@@ -5,6 +5,7 @@
  * Very small subset of simple string routines
  */
 
+#include <linux/compiler_attributes.h>
 #include <linux/types.h>
 
 void *memcpy(void *dest, const void *src, size_t n)
@@ -27,3 +28,19 @@ void *memset(void *s, int c, size_t n)
 		ss[i] = c;
 	return s;
 }
+
+void * __weak memmove(void *dest, const void *src, size_t n)
+{
+	unsigned int i;
+	const char *s = src;
+	char *d = dest;
+
+	if ((uintptr_t)dest < (uintptr_t)src) {
+		for (i = 0; i < n; i++)
+			d[i] = s[i];
+	} else {
+		for (i = n; i > 0; i--)
+			d[i - 1] = s[i - 1];
+	}
+	return dest;
+}

arch/mips/boot/dts/ingenic/jz4725b.dtsi

@@ -7,6 +7,20 @@ / {
 	#size-cells = <1>;
 	compatible = "ingenic,jz4725b";
 
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "ingenic,xburst-mxu1.0";
+			reg = <0>;
+
+			clocks = <&cgu JZ4725B_CLK_CCLK>;
+			clock-names = "cpu";
+		};
+	};
+
 	cpuintc: interrupt-controller {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;

arch/mips/boot/dts/ingenic/jz4740.dtsi

@@ -7,6 +7,20 @@ / {
 	#size-cells = <1>;
 	compatible = "ingenic,jz4740";
 
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "ingenic,xburst-mxu1.0";
+			reg = <0>;
+
+			clocks = <&cgu JZ4740_CLK_CCLK>;
+			clock-names = "cpu";
+		};
+	};
+
 	cpuintc: interrupt-controller {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;

arch/mips/boot/dts/ingenic/jz4770.dtsi

 // SPDX-License-Identifier: GPL-2.0
-
 #include <dt-bindings/clock/jz4770-cgu.h>
 #include <dt-bindings/clock/ingenic,tcu.h>
 
@@ -8,6 +7,20 @@ / {
 	#size-cells = <1>;
 	compatible = "ingenic,jz4770";
 
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "ingenic,xburst-fpu1.0-mxu1.1";
+			reg = <0>;
+
+			clocks = <&cgu JZ4770_CLK_CCLK>;
+			clock-names = "cpu";
+		};
+	};
+
 	cpuintc: interrupt-controller {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;

arch/mips/boot/dts/ingenic/jz4780.dtsi

@@ -8,6 +8,29 @@ / {
 	#size-cells = <1>;
 	compatible = "ingenic,jz4780";
 
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "ingenic,xburst-fpu1.0-mxu1.1";
+			reg = <0>;
+
+			clocks = <&cgu JZ4780_CLK_CPU>;
+			clock-names = "cpu";
+		};
+
+		cpu1: cpu@1 {
+			device_type = "cpu";
+			compatible = "ingenic,xburst-fpu1.0-mxu1.1";
+			reg = <1>;
+
+			clocks = <&cgu JZ4780_CLK_CORE1>;
+			clock-names = "cpu";
+		};
+	};
+
 	cpuintc: interrupt-controller {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;

arch/mips/boot/dts/ingenic/qi_lb60.dts

@@ -109,74 +109,73 @@ keyboard {
 		debounce-delay-ms = <10>;
 		wakeup-source;
 
-		row-gpios = <&gpd 18 0 &gpd 19 0 &gpd 20 0 &gpd 21 0
-			     &gpd 22 0 &gpd 23 0 &gpd 24 0 &gpd 26 0>;
-		col-gpios = <&gpc 10 0 &gpc 11 0 &gpc 12 0 &gpc 13 0
-			     &gpc 14 0 &gpc 15 0 &gpc 16 0 &gpc 17 0>;
+		row-gpios = <&gpd 18 0>, <&gpd 19 0>, <&gpd 20 0>, <&gpd 21 0>,
+			    <&gpd 22 0>, <&gpd 23 0>, <&gpd 24 0>, <&gpd 26 0>;
+		col-gpios = <&gpc 10 0>, <&gpc 11 0>, <&gpc 12 0>, <&gpc 13 0>,
+			    <&gpc 14 0>, <&gpc 15 0>, <&gpc 16 0>, <&gpc 17 0>;
 		gpio-activelow;
 
-		linux,keymap = <
-			MATRIX_KEY(0, 0, KEY_F1)	/* S2 */
-			MATRIX_KEY(0, 1, KEY_F2)	/* S3 */
-			MATRIX_KEY(0, 2, KEY_F3)	/* S4 */
-			MATRIX_KEY(0, 3, KEY_F4)	/* S5 */
-			MATRIX_KEY(0, 4, KEY_F5)	/* S6 */
-			MATRIX_KEY(0, 5, KEY_F6)	/* S7 */
-			MATRIX_KEY(0, 6, KEY_F7)	/* S8 */
-
-			MATRIX_KEY(1, 0, KEY_Q)	/* S10 */
-			MATRIX_KEY(1, 1, KEY_W)	/* S11 */
-			MATRIX_KEY(1, 2, KEY_E)	/* S12 */
-			MATRIX_KEY(1, 3, KEY_R)	/* S13 */
-			MATRIX_KEY(1, 4, KEY_T)	/* S14 */
-			MATRIX_KEY(1, 5, KEY_Y)	/* S15 */
-			MATRIX_KEY(1, 6, KEY_U)	/* S16 */
-			MATRIX_KEY(1, 7, KEY_I)	/* S17 */
-			MATRIX_KEY(2, 0, KEY_A)	/* S18 */
-			MATRIX_KEY(2, 1, KEY_S)	/* S19 */
-			MATRIX_KEY(2, 2, KEY_D)	/* S20 */
-			MATRIX_KEY(2, 3, KEY_F)	/* S21 */
-			MATRIX_KEY(2, 4, KEY_G)	/* S22 */
-			MATRIX_KEY(2, 5, KEY_H)	/* S23 */
-			MATRIX_KEY(2, 6, KEY_J)	/* S24 */
-			MATRIX_KEY(2, 7, KEY_K)	/* S25 */
-			MATRIX_KEY(3, 0, KEY_ESC)	/* S26 */
-			MATRIX_KEY(3, 1, KEY_Z)	/* S27 */
-			MATRIX_KEY(3, 2, KEY_X)	/* S28 */
-			MATRIX_KEY(3, 3, KEY_C)	/* S29 */
-			MATRIX_KEY(3, 4, KEY_V)	/* S30 */
-			MATRIX_KEY(3, 5, KEY_B)	/* S31 */
-			MATRIX_KEY(3, 6, KEY_N)	/* S32 */
-			MATRIX_KEY(3, 7, KEY_M)	/* S33 */
-			MATRIX_KEY(4, 0, KEY_TAB)	/* S34 */
-			MATRIX_KEY(4, 1, KEY_CAPSLOCK)	/* S35 */
-			MATRIX_KEY(4, 2, KEY_BACKSLASH)	/* S36 */
-			MATRIX_KEY(4, 3, KEY_APOSTROPHE)	/* S37 */
-			MATRIX_KEY(4, 4, KEY_COMMA)	/* S38 */
-			MATRIX_KEY(4, 5, KEY_DOT)	/* S39 */
-			MATRIX_KEY(4, 6, KEY_SLASH)	/* S40 */
-			MATRIX_KEY(4, 7, KEY_UP)	/* S41 */
-			MATRIX_KEY(5, 0, KEY_O)	/* S42 */
-			MATRIX_KEY(5, 1, KEY_L)	/* S43 */
-			MATRIX_KEY(5, 2, KEY_EQUAL)	/* S44 */
-			MATRIX_KEY(5, 3, KEY_QI_UPRED)	/* S45 */
-			MATRIX_KEY(5, 4, KEY_SPACE)	/* S46 */
-			MATRIX_KEY(5, 5, KEY_QI_QI)	/* S47 */
-			MATRIX_KEY(5, 6, KEY_RIGHTCTRL)	/* S48 */
-			MATRIX_KEY(5, 7, KEY_LEFT)	/* S49 */
-			MATRIX_KEY(6, 0, KEY_F8)	/* S50 */
-			MATRIX_KEY(6, 1, KEY_P)	/* S51 */
-			MATRIX_KEY(6, 2, KEY_BACKSPACE)/* S52 */
-			MATRIX_KEY(6, 3, KEY_ENTER)	/* S53 */
-			MATRIX_KEY(6, 4, KEY_QI_VOLUP)	/* S54 */
-			MATRIX_KEY(6, 5, KEY_QI_VOLDOWN)	/* S55 */
-			MATRIX_KEY(6, 6, KEY_DOWN)	/* S56 */
-			MATRIX_KEY(6, 7, KEY_RIGHT)	/* S57 */
-
-			MATRIX_KEY(7, 0, KEY_LEFTSHIFT)	/* S58 */
-			MATRIX_KEY(7, 1, KEY_LEFTALT) /* S59 */
-			MATRIX_KEY(7, 2, KEY_QI_FN)	/* S60 */
-			>;
+		linux,keymap =
+			<MATRIX_KEY(0, 0, KEY_F1)>,	/* S2 */
+			<MATRIX_KEY(0, 1, KEY_F2)>,	/* S3 */
+			<MATRIX_KEY(0, 2, KEY_F3)>,	/* S4 */
+			<MATRIX_KEY(0, 3, KEY_F4)>,	/* S5 */
+			<MATRIX_KEY(0, 4, KEY_F5)>,	/* S6 */
+			<MATRIX_KEY(0, 5, KEY_F6)>,	/* S7 */
+			<MATRIX_KEY(0, 6, KEY_F7)>,	/* S8 */
+
+			<MATRIX_KEY(1, 0, KEY_Q)>,	/* S10 */
+			<MATRIX_KEY(1, 1, KEY_W)>,	/* S11 */
+			<MATRIX_KEY(1, 2, KEY_E)>,	/* S12 */
+			<MATRIX_KEY(1, 3, KEY_R)>,	/* S13 */
+			<MATRIX_KEY(1, 4, KEY_T)>,	/* S14 */
+			<MATRIX_KEY(1, 5, KEY_Y)>,	/* S15 */
+			<MATRIX_KEY(1, 6, KEY_U)>,	/* S16 */
+			<MATRIX_KEY(1, 7, KEY_I)>,	/* S17 */
+			<MATRIX_KEY(2, 0, KEY_A)>,	/* S18 */
+			<MATRIX_KEY(2, 1, KEY_S)>,	/* S19 */
+			<MATRIX_KEY(2, 2, KEY_D)>,	/* S20 */
+			<MATRIX_KEY(2, 3, KEY_F)>,	/* S21 */
+			<MATRIX_KEY(2, 4, KEY_G)>,	/* S22 */
+			<MATRIX_KEY(2, 5, KEY_H)>,	/* S23 */
+			<MATRIX_KEY(2, 6, KEY_J)>,	/* S24 */
+			<MATRIX_KEY(2, 7, KEY_K)>,	/* S25 */
+			<MATRIX_KEY(3, 0, KEY_ESC)>,	/* S26 */
+			<MATRIX_KEY(3, 1, KEY_Z)>,	/* S27 */
+			<MATRIX_KEY(3, 2, KEY_X)>,	/* S28 */
+			<MATRIX_KEY(3, 3, KEY_C)>,	/* S29 */
+			<MATRIX_KEY(3, 4, KEY_V)>,	/* S30 */
+			<MATRIX_KEY(3, 5, KEY_B)>,	/* S31 */
+			<MATRIX_KEY(3, 6, KEY_N)>,	/* S32 */
+			<MATRIX_KEY(3, 7, KEY_M)>,	/* S33 */
+			<MATRIX_KEY(4, 0, KEY_TAB)>,	/* S34 */
+			<MATRIX_KEY(4, 1, KEY_CAPSLOCK)>,	/* S35 */
+			<MATRIX_KEY(4, 2, KEY_BACKSLASH)>,	/* S36 */
+			<MATRIX_KEY(4, 3, KEY_APOSTROPHE)>,	/* S37 */
+			<MATRIX_KEY(4, 4, KEY_COMMA)>,	/* S38 */
+			<MATRIX_KEY(4, 5, KEY_DOT)>,	/* S39 */
+			<MATRIX_KEY(4, 6, KEY_SLASH)>,	/* S40 */
+			<MATRIX_KEY(4, 7, KEY_UP)>,	/* S41 */
+			<MATRIX_KEY(5, 0, KEY_O)>,	/* S42 */
+			<MATRIX_KEY(5, 1, KEY_L)>,	/* S43 */
+			<MATRIX_KEY(5, 2, KEY_EQUAL)>,	/* S44 */
+			<MATRIX_KEY(5, 3, KEY_QI_UPRED)>,	/* S45 */
+			<MATRIX_KEY(5, 4, KEY_SPACE)>,	/* S46 */
+			<MATRIX_KEY(5, 5, KEY_QI_QI)>,	/* S47 */
+			<MATRIX_KEY(5, 6, KEY_RIGHTCTRL)>,	/* S48 */
+			<MATRIX_KEY(5, 7, KEY_LEFT)>,	/* S49 */
+			<MATRIX_KEY(6, 0, KEY_F8)>,	/* S50 */
+			<MATRIX_KEY(6, 1, KEY_P)>,	/* S51 */
+			<MATRIX_KEY(6, 2, KEY_BACKSPACE)>,/* S52 */
+			<MATRIX_KEY(6, 3, KEY_ENTER)>,	/* S53 */
+			<MATRIX_KEY(6, 4, KEY_QI_VOLUP)>,	/* S54 */
+			<MATRIX_KEY(6, 5, KEY_QI_VOLDOWN)>,	/* S55 */
+			<MATRIX_KEY(6, 6, KEY_DOWN)>,	/* S56 */
+			<MATRIX_KEY(6, 7, KEY_RIGHT)>,	/* S57 */
+
+			<MATRIX_KEY(7, 0, KEY_LEFTSHIFT)>,	/* S58 */
+			<MATRIX_KEY(7, 1, KEY_LEFTALT)>, /* S59 */
+			<MATRIX_KEY(7, 2, KEY_QI_FN)>;	/* S60 */
 	};
 
 	spi {
@@ -261,12 +260,12 @@ nandc: nand-controller@1 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		ingenic,bch-controller = <&ecc>;
+		ecc-engine = <&ecc>;
 
 		pinctrl-names = "default";
 		pinctrl-0 = <&pins_nemc>;
 
-		rb-gpios = <&gpc 30 GPIO_ACTIVE_LOW>;
+		rb-gpios = <&gpc 30 GPIO_ACTIVE_HIGH>;
 
 		nand@1 {
 			reg = <1>;
@@ -324,7 +323,7 @@ pins_lcd: lcd {
 
 	pins_nemc: nemc {
 		function = "nand";
-		groups = "nand-cs1";
+		groups = "nand-fre-fwe", "nand-cs1";
 	};
 
 	pins_uart0: uart0 {

arch/mips/boot/dts/ingenic/x1000.dtsi

@@ -8,6 +8,20 @@ / {
 	#size-cells = <1>;
 	compatible = "ingenic,x1000", "ingenic,x1000e";
 
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "ingenic,xburst-fpu1.0-mxu1.1";
+			reg = <0>;
+
+			clocks = <&cgu X1000_CLK_CPU>;
+			clock-names = "cpu";
+		};
+	};
+
 	cpuintc: interrupt-controller {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;

arch/mips/boot/dts/ingenic/x1830.dtsi

@@ -8,6 +8,20 @@ / {
 	#size-cells = <1>;
 	compatible = "ingenic,x1830";
 
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "ingenic,xburst-fpu2.0-mxu2.0";
+			reg = <0>;
+
+			clocks = <&cgu X1830_CLK_CPU>;
+			clock-names = "cpu";
+		};
+	};
+
 	cpuintc: interrupt-controller {
 		#address-cells = <0>;
 		#interrupt-cells = <1>;

arch/mips/boot/dts/loongson/ls7a-pch.dtsi

@@ -19,6 +19,45 @@ pic: interrupt-controller@10000000 {
 			#interrupt-cells = <2>;
 		};
 
+		ls7a_uart0: serial@10080000 {
+			compatible = "ns16550a";
+			reg = <0 0x10080000 0 0x100>;
+			clock-frequency = <50000000>;
+			interrupt-parent = <&pic>;
+			interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
+			no-loopback-test;
+		};
+
+		ls7a_uart1: serial@10080100 {
+			status = "disabled";
+			compatible = "ns16550a";
+			reg = <0 0x10080100 0 0x100>;
+			clock-frequency = <50000000>;
+			interrupt-parent = <&pic>;
+			interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
+			no-loopback-test;
+		};
+
+		ls7a_uart2: serial@10080200 {
+			status = "disabled";
+			compatible = "ns16550a";
+			reg = <0 0x10080200 0 0x100>;
+			clock-frequency = <50000000>;
+			interrupt-parent = <&pic>;
+			interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
+			no-loopback-test;
+		};
+
+		ls7a_uart3: serial@10080300 {
+			status = "disabled";
+			compatible = "ns16550a";
+			reg = <0 0x10080300 0 0x100>;
+			clock-frequency = <50000000>;
+			interrupt-parent = <&pic>;
+			interrupts = <8 IRQ_TYPE_LEVEL_HIGH>;
+			no-loopback-test;
+		};
+
 		pci@1a000000 {
 			compatible = "loongson,ls7a-pci";
 			device_type = "pci";

arch/mips/cavium-octeon/setup.c

@@ -16,6 +16,7 @@
 #include <linux/export.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
+#include <linux/memblock.h>
 #include <linux/serial.h>
 #include <linux/smp.h>
 #include <linux/types.h>
@@ -930,7 +931,7 @@ static __init void memory_exclude_page(u64 addr, u64 *mem, u64 *size)
 {
 	if (addr > *mem && addr < *mem + *size) {
 		u64 inc = addr - *mem;
-		add_memory_region(*mem, inc, BOOT_MEM_RAM);
+		memblock_add(*mem, inc);
 		*mem += inc;
 		*size -= inc;
 	}
@@ -992,19 +993,18 @@ void __init plat_mem_setup(void)
 
 /* Crashkernel ignores bootmem list. It relies on mem=X@Y option */
 #ifdef CONFIG_CRASH_DUMP
-	add_memory_region(reserve_low_mem, max_memory, BOOT_MEM_RAM);
+	memblock_add(reserve_low_mem, max_memory);
 	total += max_memory;
 #else
 #ifdef CONFIG_KEXEC
 	if (crashk_size > 0) {
-		add_memory_region(crashk_base, crashk_size, BOOT_MEM_RAM);
+		memblock_add(crashk_base, crashk_size);
 		crashk_end = crashk_base + crashk_size;
 	}
 #endif
 	/*
-	 * When allocating memory, we want incrementing addresses from
-	 * bootmem_alloc so the code in add_memory_region can merge
-	 * regions next to each other.
+	 * When allocating memory, we want incrementing addresses,
+	 * which is handled by memblock
 	 */
 	cvmx_bootmem_lock();
 	while (total < max_memory) {
@@ -1039,13 +1039,9 @@ void __init plat_mem_setup(void)
 			 */
 			if (memory < crashk_base && end >  crashk_end) {
 				/* region is fully in */
-				add_memory_region(memory,
-						  crashk_base - memory,
-						  BOOT_MEM_RAM);
+				memblock_add(memory, crashk_base - memory);
 				total += crashk_base - memory;
-				add_memory_region(crashk_end,
-						  end - crashk_end,
-						  BOOT_MEM_RAM);
+				memblock_add(crashk_end, end - crashk_end);
 				total += end - crashk_end;
 				continue;
 			}
@@ -1073,7 +1069,7 @@ void __init plat_mem_setup(void)
 				 */
 				mem_alloc_size -= end - crashk_base;
 #endif
-			add_memory_region(memory, mem_alloc_size, BOOT_MEM_RAM);
+			memblock_add(memory, mem_alloc_size);
 			total += mem_alloc_size;
 			/* Recovering mem_alloc_size */
 			mem_alloc_size = 4 << 20;
@@ -1088,7 +1084,7 @@ void __init plat_mem_setup(void)
 
 	/* Adjust for physical offset. */
 	kernel_start &= ~0xffffffff80000000ULL;
-	add_memory_region(kernel_start, kernel_size, BOOT_MEM_RAM);
+	memblock_add(kernel_start, kernel_size);
 #endif /* CONFIG_CRASH_DUMP */
 
 #ifdef CONFIG_CAVIUM_RESERVE32
@@ -1126,7 +1122,7 @@ EXPORT_SYMBOL(prom_putchar);
 
 void __init prom_free_prom_memory(void)
 {
-	if (CAVIUM_OCTEON_DCACHE_PREFETCH_WAR) {
+	if (OCTEON_IS_MODEL(OCTEON_CN6XXX)) {
 		/* Check for presence of Core-14449 fix.  */
 		u32 insn;
 		u32 *foo;

arch/mips/cobalt/setup.c

@@ -13,6 +13,7 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/ioport.h>
+#include <linux/memblock.h>
 #include <linux/pm.h>
 
 #include <asm/bootinfo.h>
@@ -112,7 +113,7 @@ void __init prom_init(void)
 			strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
 	}
 
-	add_memory_region(0x0, memsz, BOOT_MEM_RAM);
+	memblock_add(0, memsz);
 
 	setup_8250_early_printk_port(CKSEG1ADDR(0x1c800000), 0, 0);
 }

arch/mips/configs/ci20_defconfig

@@ -22,7 +22,7 @@ CONFIG_EMBEDDED=y
 # CONFIG_VM_EVENT_COUNTERS is not set
 # CONFIG_COMPAT_BRK is not set
 CONFIG_SLAB=y
-CONFIG_MACH_INGENIC=y
+CONFIG_MACH_INGENIC_SOC=y
 CONFIG_JZ4780_CI20=y
 CONFIG_HIGHMEM=y
 CONFIG_HZ_100=y
@@ -42,7 +42,7 @@ CONFIG_IP_PNP_DHCP=y
 # CONFIG_IPV6 is not set
 # CONFIG_WIRELESS is not set
 CONFIG_DEVTMPFS=y
-# CONFIG_FW_LOADER is not set
+CONFIG_FW_LOADER=m
 # CONFIG_ALLOW_DEV_COREDUMP is not set
 CONFIG_MTD=y
 CONFIG_MTD_RAW_NAND=y

arch/mips/configs/cu1000-neo_defconfig

-CONFIG_LOCALVERSION_AUTO=y
-CONFIG_KERNEL_GZIP=y
 CONFIG_SYSVIPC=y
 CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
@@ -9,7 +7,6 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_CGROUPS=y
 CONFIG_MEMCG=y
-CONFIG_MEMCG_KMEM=y
 CONFIG_CGROUP_SCHED=y
 CONFIG_CGROUP_FREEZER=y
 CONFIG_CGROUP_DEVICE=y
@@ -22,7 +19,7 @@ CONFIG_EMBEDDED=y
 # CONFIG_VM_EVENT_COUNTERS is not set
 # CONFIG_COMPAT_BRK is not set
 CONFIG_SLAB=y
-CONFIG_MACH_INGENIC=y
+CONFIG_MACH_INGENIC_SOC=y
 CONFIG_X1000_CU1000_NEO=y
 CONFIG_HIGHMEM=y
 CONFIG_HZ_100=y
@@ -31,7 +28,6 @@ CONFIG_HZ_100=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 # CONFIG_COMPACTION is not set
 CONFIG_CMA=y
-CONFIG_CMA_AREAS=7
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -40,19 +36,16 @@ CONFIG_CFG80211=y
 CONFIG_UEVENT_HELPER=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
-# CONFIG_FW_LOADER is not set
 # CONFIG_ALLOW_DEV_COREDUMP is not set
 CONFIG_NETDEVICES=y
 CONFIG_STMMAC_ETH=y
 CONFIG_SMSC_PHY=y
 CONFIG_BRCMFMAC=y
-# CONFIG_INPUT_MOUSEDEV is not set
 # CONFIG_INPUT_KEYBOARD is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_SERIO is not set
 CONFIG_VT_HW_CONSOLE_BINDING=y
 CONFIG_LEGACY_PTY_COUNT=2
-CONFIG_SERIAL_EARLYCON=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=3
@@ -66,8 +59,6 @@ CONFIG_GPIO_SYSFS=y
 CONFIG_SENSORS_ADS7828=y
 CONFIG_WATCHDOG=y
 CONFIG_JZ4740_WDT=y
-# CONFIG_LCD_CLASS_DEVICE is not set
-# CONFIG_BACKLIGHT_CLASS_DEVICE is not set
 # CONFIG_VGA_CONSOLE is not set
 # CONFIG_HID is not set
 # CONFIG_USB_SUPPORT is not set
@@ -82,8 +73,6 @@ CONFIG_RTC_DRV_JZ4740=y
 CONFIG_DMADEVICES=y
 CONFIG_DMA_JZ4780=y
 # CONFIG_IOMMU_SUPPORT is not set
-CONFIG_NVMEM=y
-CONFIG_NVMEM_SYSFS=y
 CONFIG_EXT4_FS=y
 # CONFIG_DNOTIFY is not set
 CONFIG_AUTOFS_FS=y
@@ -108,8 +97,8 @@ CONFIG_CONSOLE_LOGLEVEL_QUIET=15
 CONFIG_MESSAGE_LOGLEVEL_DEFAULT=7
 CONFIG_DEBUG_INFO=y
 CONFIG_STRIP_ASM_SYMS=y
-CONFIG_DEBUG_FS=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_FS=y
 CONFIG_PANIC_ON_OOPS=y
 CONFIG_PANIC_TIMEOUT=10
 # CONFIG_SCHED_DEBUG is not set

arch/mips/configs/cu1830-neo_defconfig

-CONFIG_LOCALVERSION_AUTO=y
-CONFIG_KERNEL_GZIP=y
 CONFIG_SYSVIPC=y
 CONFIG_NO_HZ_IDLE=y
 CONFIG_HIGH_RES_TIMERS=y
@@ -9,7 +7,6 @@ CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
 CONFIG_CGROUPS=y
 CONFIG_MEMCG=y
-CONFIG_MEMCG_KMEM=y
 CONFIG_CGROUP_SCHED=y
 CONFIG_CGROUP_FREEZER=y
 CONFIG_CGROUP_DEVICE=y
@@ -22,7 +19,7 @@ CONFIG_EMBEDDED=y
 # CONFIG_VM_EVENT_COUNTERS is not set
 # CONFIG_COMPAT_BRK is not set
 CONFIG_SLAB=y
-CONFIG_MACH_INGENIC=y
+CONFIG_MACH_INGENIC_SOC=y
 CONFIG_X1830_CU1830_NEO=y
 CONFIG_HIGHMEM=y
 CONFIG_HZ_100=y
@@ -31,7 +28,6 @@ CONFIG_HZ_100=y
 # CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
 # CONFIG_COMPACTION is not set
 CONFIG_CMA=y
-CONFIG_CMA_AREAS=7
 CONFIG_NET=y
 CONFIG_PACKET=y
 CONFIG_UNIX=y
@@ -40,7 +36,6 @@ CONFIG_CFG80211=y
 CONFIG_UEVENT_HELPER=y
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 CONFIG_DEVTMPFS=y
-# CONFIG_FW_LOADER is not set
 # CONFIG_ALLOW_DEV_COREDUMP is not set
 CONFIG_MD=y
 CONFIG_BLK_DEV_MD=y
@@ -49,13 +44,11 @@ CONFIG_NETDEVICES=y
 CONFIG_STMMAC_ETH=y
 CONFIG_ICPLUS_PHY=y
 CONFIG_BRCMFMAC=y
-# CONFIG_INPUT_MOUSEDEV is not set
 # CONFIG_INPUT_KEYBOARD is not set
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_SERIO is not set
 CONFIG_VT_HW_CONSOLE_BINDING=y
 CONFIG_LEGACY_PTY_COUNT=2
-CONFIG_SERIAL_EARLYCON=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=2
@@ -69,8 +62,6 @@ CONFIG_GPIO_SYSFS=y
 CONFIG_SENSORS_ADS7828=y
 CONFIG_WATCHDOG=y
 CONFIG_JZ4740_WDT=y
-# CONFIG_LCD_CLASS_DEVICE is not set
-# CONFIG_BACKLIGHT_CLASS_DEVICE is not set
 # CONFIG_VGA_CONSOLE is not set
 # CONFIG_HID is not set
 # CONFIG_USB_SUPPORT is not set
@@ -85,8 +76,6 @@ CONFIG_RTC_DRV_JZ4740=y
 CONFIG_DMADEVICES=y
 CONFIG_DMA_JZ4780=y
 # CONFIG_IOMMU_SUPPORT is not set
-CONFIG_NVMEM=y
-CONFIG_NVMEM_SYSFS=y
 CONFIG_EXT4_FS=y
 # CONFIG_DNOTIFY is not set
 CONFIG_AUTOFS_FS=y
@@ -111,8 +100,8 @@ CONFIG_CONSOLE_LOGLEVEL_QUIET=15
 CONFIG_MESSAGE_LOGLEVEL_DEFAULT=7
 CONFIG_DEBUG_INFO=y
 CONFIG_STRIP_ASM_SYMS=y
-CONFIG_DEBUG_FS=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_DEBUG_FS=y
 CONFIG_PANIC_ON_OOPS=y
 CONFIG_PANIC_TIMEOUT=10
 # CONFIG_SCHED_DEBUG is not set

arch/mips/configs/gcw0_defconfig

@@ -4,7 +4,7 @@ CONFIG_HIGH_RES_TIMERS=y
 CONFIG_PREEMPT_VOLUNTARY=y
 CONFIG_EMBEDDED=y
 CONFIG_PROFILING=y
-CONFIG_MACH_INGENIC=y
+CONFIG_MACH_INGENIC_SOC=y
 CONFIG_JZ4770_GCW0=y
 CONFIG_HIGHMEM=y
 # CONFIG_SECCOMP is not set

arch/mips/configs/loongson3_defconfig

@@ -30,7 +30,6 @@ CONFIG_EMBEDDED=y
 CONFIG_PERF_EVENTS=y
 CONFIG_MACH_LOONGSON64=y
 CONFIG_CPU_HAS_MSA=y
-CONFIG_SMP=y
 CONFIG_NR_CPUS=16
 CONFIG_HZ_256=y
 CONFIG_KEXEC=y
@@ -403,7 +402,6 @@ CONFIG_CRYPTO_TEA=m
 CONFIG_CRYPTO_TWOFISH=m
 CONFIG_CRYPTO_DEFLATE=m
 CONFIG_PRINTK_TIME=y
-CONFIG_FRAME_WARN=1024
 CONFIG_STRIP_ASM_SYMS=y
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_SCHED_DEBUG is not set

arch/mips/configs/pnx8335_stb225_defconfig

-# CONFIG_LOCALVERSION_AUTO is not set
-# CONFIG_SWAP is not set
-CONFIG_SYSVIPC=y
-CONFIG_NO_HZ=y
-CONFIG_HIGH_RES_TIMERS=y
-CONFIG_PREEMPT_VOLUNTARY=y
-CONFIG_LOG_BUF_SHIFT=14
-CONFIG_EXPERT=y
-CONFIG_SLAB=y
-CONFIG_NXP_STB225=y
-CONFIG_CPU_LITTLE_ENDIAN=y
-CONFIG_HZ_128=y
-# CONFIG_SECCOMP is not set
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-# CONFIG_BLK_DEV_BSG is not set
-CONFIG_NET=y
-CONFIG_PACKET=y
-CONFIG_UNIX=y
-CONFIG_INET=y
-CONFIG_IP_MULTICAST=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_INET_AH=y
-# CONFIG_IPV6 is not set
-CONFIG_MTD=y
-CONFIG_MTD_CMDLINE_PARTS=y
-CONFIG_MTD_BLOCK=y
-CONFIG_MTD_CFI=y
-CONFIG_MTD_CFI_ADV_OPTIONS=y
-CONFIG_MTD_CFI_LE_BYTE_SWAP=y
-CONFIG_MTD_CFI_GEOMETRY=y
-CONFIG_MTD_CFI_AMDSTD=y
-CONFIG_MTD_PHYSMAP=y
-CONFIG_BLK_DEV_LOOP=y
-CONFIG_BLK_DEV_SD=y
-# CONFIG_SCSI_LOWLEVEL is not set
-CONFIG_ATA=y
-CONFIG_NETDEVICES=y
-CONFIG_INPUT_EVDEV=m
-CONFIG_INPUT_EVBUG=m
-# CONFIG_INPUT_KEYBOARD is not set
-# CONFIG_INPUT_MOUSE is not set
-# CONFIG_VT_CONSOLE is not set
-# CONFIG_LEGACY_PTYS is not set
-CONFIG_SERIAL_PNX8XXX=y
-CONFIG_SERIAL_PNX8XXX_CONSOLE=y
-CONFIG_HW_RANDOM=y
-CONFIG_I2C=y
-CONFIG_I2C_CHARDEV=y
-# CONFIG_HWMON is not set
-CONFIG_FB=y
-# CONFIG_VGA_CONSOLE is not set
-CONFIG_SOUND=m
-CONFIG_SND=m
-CONFIG_SND_VERBOSE_PRINTK=y
-CONFIG_SND_DEBUG=y
-CONFIG_SND_SEQUENCER=m
-CONFIG_EXT2_FS=m
-# CONFIG_DNOTIFY is not set
-CONFIG_MSDOS_FS=m
-CONFIG_VFAT_FS=m
-CONFIG_TMPFS=y
-CONFIG_JFFS2_FS=y
-CONFIG_CRAMFS=y
-CONFIG_NFS_FS=y
-CONFIG_ROOT_NFS=y
-CONFIG_NFSD=m
-CONFIG_NFSD_V3=y
-CONFIG_NLS=y
-CONFIG_NLS_CODEPAGE_437=m
-CONFIG_NLS_CODEPAGE_850=m
-CONFIG_NLS_CODEPAGE_932=m
-CONFIG_NLS_ASCII=m
-CONFIG_NLS_ISO8859_1=m
-CONFIG_NLS_ISO8859_15=m
-CONFIG_NLS_UTF8=m

arch/mips/configs/qi_lb60_defconfig

@@ -7,7 +7,8 @@ CONFIG_EMBEDDED=y
 # CONFIG_VM_EVENT_COUNTERS is not set
 # CONFIG_COMPAT_BRK is not set
 CONFIG_SLAB=y
-CONFIG_MACH_INGENIC=y
+CONFIG_MACH_INGENIC_SOC=y
+CONFIG_JZ4740_QI_LB60=y
 CONFIG_HZ_100=y
 # CONFIG_SECCOMP is not set
 CONFIG_MODULES=y
@@ -72,9 +73,7 @@ CONFIG_DRM=y
 CONFIG_DRM_FBDEV_OVERALLOC=200
 CONFIG_DRM_PANEL_SIMPLE=y
 CONFIG_DRM_INGENIC=y
-# CONFIG_LCD_CLASS_DEVICE is not set
 CONFIG_BACKLIGHT_CLASS_DEVICE=y
-# CONFIG_BACKLIGHT_GENERIC is not set
 # CONFIG_VGA_CONSOLE is not set
 CONFIG_FRAMEBUFFER_CONSOLE=y
 CONFIG_LOGO=y
@@ -170,9 +169,9 @@ CONFIG_PRINTK_TIME=y
 CONFIG_DEBUG_INFO=y
 CONFIG_STRIP_ASM_SYMS=y
 CONFIG_READABLE_ASM=y
+CONFIG_KGDB=y
 CONFIG_DEBUG_KMEMLEAK=y
 CONFIG_DEBUG_MEMORY_INIT=y
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_PANIC_ON_OOPS=y
 # CONFIG_FTRACE is not set
-CONFIG_KGDB=y

arch/mips/configs/rs90_defconfig

@@ -19,7 +19,7 @@ CONFIG_EMBEDDED=y
 # CONFIG_PERF_EVENTS is not set
 CONFIG_SLAB=y
 CONFIG_PROFILING=y
-CONFIG_MACH_INGENIC=y
+CONFIG_MACH_INGENIC_SOC=y
 CONFIG_JZ4740_RS90=y
 CONFIG_PAGE_SIZE_16KB=y
 CONFIG_HZ_100=y
@@ -80,8 +80,8 @@ CONFIG_KEYBOARD_GPIO=y
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_SERIO is not set
 CONFIG_LEGACY_PTY_COUNT=2
-# CONFIG_DEVMEM is not set
 # CONFIG_HW_RANDOM is not set
+# CONFIG_DEVMEM is not set
 # CONFIG_I2C_COMPAT is not set
 # CONFIG_I2C_HELPER_AUTO is not set
 CONFIG_POWER_SUPPLY=y

arch/mips/dec/prom/memory.c

@@ -12,7 +12,6 @@
 #include <linux/types.h>
 
 #include <asm/addrspace.h>
-#include <asm/bootinfo.h>
 #include <asm/dec/machtype.h>
 #include <asm/dec/prom.h>
 #include <asm/page.h>
@@ -28,7 +27,7 @@ volatile unsigned long mem_err;		/* So we know an error occurred */
 
 #define CHUNK_SIZE 0x400000
 
-static inline void pmax_setup_memory_region(void)
+static __init void pmax_setup_memory_region(void)
 {
 	volatile unsigned char *memory_page, dummy;
 	char old_handler[0x80];
@@ -50,15 +49,14 @@ static inline void pmax_setup_memory_region(void)
 	}
 	memcpy((void *)(CKSEG0 + 0x80), &old_handler, 0x80);
 
-	add_memory_region(0, (unsigned long)memory_page - CKSEG1 - CHUNK_SIZE,
-			  BOOT_MEM_RAM);
+	memblock_add(0, (unsigned long)memory_page - CKSEG1 - CHUNK_SIZE);
 }
 
 /*
  * Use the REX prom calls to get hold of the memory bitmap, and thence
  * determine memory size.
  */
-static inline void rex_setup_memory_region(void)
+static __init void rex_setup_memory_region(void)
 {
 	int i, bitmap_size;
 	unsigned long mem_start = 0, mem_size = 0;
@@ -76,13 +74,13 @@ static inline void rex_setup_memory_region(void)
 		else if (!mem_size)
 			mem_start += (8 * bm->pagesize);
 		else {
-			add_memory_region(mem_start, mem_size, BOOT_MEM_RAM);
+			memblock_add(mem_start, mem_size);
 			mem_start += mem_size + (8 * bm->pagesize);
 			mem_size = 0;
 		}
 	}
 	if (mem_size)
-		add_memory_region(mem_start, mem_size, BOOT_MEM_RAM);
+		memblock_add(mem_start, mem_size);
 }
 
 void __init prom_meminit(u32 magic)

arch/mips/dec/setup.c

@@ -6,7 +6,7 @@
  * for more details.
  *
  * Copyright (C) 1998 Harald Koerfgen
- * Copyright (C) 2000, 2001, 2002, 2003, 2005  Maciej W. Rozycki
+ * Copyright (C) 2000, 2001, 2002, 2003, 2005, 2020  Maciej W. Rozycki
  */
 #include <linux/console.h>
 #include <linux/export.h>
@@ -15,6 +15,7 @@
 #include <linux/ioport.h>
 #include <linux/irq.h>
 #include <linux/irqnr.h>
+#include <linux/memblock.h>
 #include <linux/param.h>
 #include <linux/percpu-defs.h>
 #include <linux/sched.h>
@@ -22,6 +23,7 @@
 #include <linux/types.h>
 #include <linux/pm.h>
 
+#include <asm/addrspace.h>
 #include <asm/bootinfo.h>
 #include <asm/cpu.h>
 #include <asm/cpu-features.h>
@@ -29,7 +31,9 @@
 #include <asm/irq.h>
 #include <asm/irq_cpu.h>
 #include <asm/mipsregs.h>
+#include <asm/page.h>
 #include <asm/reboot.h>
+#include <asm/sections.h>
 #include <asm/time.h>
 #include <asm/traps.h>
 #include <asm/wbflush.h>
@@ -146,6 +150,9 @@ void __init plat_mem_setup(void)
 
 	ioport_resource.start = ~0UL;
 	ioport_resource.end = 0UL;
+
+	/* Stay away from the firmware working memory area for now. */
+	memblock_reserve(PHYS_OFFSET, __pa_symbol(&_text) - PHYS_OFFSET);
 }
 
 /*

arch/mips/fw/arc/memory.c

@@ -68,20 +68,24 @@ static char *arc_mtypes[8] = {
 						: arc_mtypes[a.arc]
 #endif
 
+enum {
+	mem_free, mem_prom_used, mem_reserved
+};
+
 static inline int memtype_classify_arcs(union linux_memtypes type)
 {
 	switch (type.arcs) {
 	case arcs_fcontig:
 	case arcs_free:
-		return BOOT_MEM_RAM;
+		return mem_free;
 	case arcs_atmp:
-		return BOOT_MEM_ROM_DATA;
+		return mem_prom_used;
 	case arcs_eblock:
 	case arcs_rvpage:
 	case arcs_bmem:
 	case arcs_prog:
 	case arcs_aperm:
-		return BOOT_MEM_RESERVED;
+		return mem_reserved;
 	default:
 		BUG();
 	}
@@ -93,15 +97,15 @@ static inline int memtype_classify_arc(union linux_memtypes type)
 	switch (type.arc) {
 	case arc_free:
 	case arc_fcontig:
-		return BOOT_MEM_RAM;
+		return mem_free;
 	case arc_atmp:
-		return BOOT_MEM_ROM_DATA;
+		return mem_prom_used;
 	case arc_eblock:
 	case arc_rvpage:
 	case arc_bmem:
 	case arc_prog:
 	case arc_aperm:
-		return BOOT_MEM_RESERVED;
+		return mem_reserved;
 	default:
 		BUG();
 	}
@@ -143,9 +147,17 @@ void __weak __init prom_meminit(void)
 		size = p->pages << ARC_PAGE_SHIFT;
 		type = prom_memtype_classify(p->type);
 
-		add_memory_region(base, size, type);
+		/* ignore mirrored RAM on IP28/IP30 */
+		if (base < PHYS_OFFSET)
+			continue;
+
+		memblock_add(base, size);
+
+		if (type == mem_reserved)
+			memblock_reserve(base, size);
 
-		if (type == BOOT_MEM_ROM_DATA) {
+		if (type == mem_prom_used) {
+			memblock_reserve(base, size);
 			if (nr_prom_mem >= 5) {
 				pr_err("Too many ROM DATA regions");
 				continue;

arch/mips/fw/sni/sniprom.c

@@ -11,6 +11,7 @@
 
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/memblock.h>
 #include <linux/string.h>
 #include <linux/console.h>
 
@@ -131,8 +132,7 @@ static void __init sni_mem_init(void)
 		}
 		pr_debug("Bank%d: %08x @ %08x\n", i,
 			memconf[i].size, memconf[i].base);
-		add_memory_region(memconf[i].base, memconf[i].size,
-				  BOOT_MEM_RAM);
+		memblock_add(memconf[i].base, memconf[i].size);
 	}
 }
 

arch/mips/generic/Kconfig

 # SPDX-License-Identifier: GPL-2.0
-if MIPS_GENERIC
+if MIPS_GENERIC_KERNEL
 
 config LEGACY_BOARDS
 	bool
@@ -73,6 +73,12 @@ config FIT_IMAGE_FDT_OCELOT
 	  from Microsemi in the FIT kernel image.
 	  This requires u-boot on the platform.
 
+config BOARD_INGENIC
+	bool "Support boards based on Ingenic SoCs"
+	select MACH_INGENIC_GENERIC
+	help
+	  Enable support for boards based on Ingenic SoCs.
+
 config VIRT_BOARD_RANCHU
 	bool "Support Ranchu platform for Android emulator"
 	help

arch/mips/generic/Makefile

@@ -11,4 +11,5 @@ obj-y += proc.o
 obj-$(CONFIG_YAMON_DT_SHIM)		+= yamon-dt.o
 obj-$(CONFIG_LEGACY_BOARD_SEAD3)	+= board-sead3.o
 obj-$(CONFIG_LEGACY_BOARD_OCELOT)	+= board-ocelot.o
+obj-$(CONFIG_MACH_INGENIC)			+= board-ingenic.o
 obj-$(CONFIG_VIRT_BOARD_RANCHU)		+= board-ranchu.o

arch/mips/generic/Platform

@@ -8,8 +8,12 @@
 # option) any later version.
 #
 
+# Note: order matters, keep the asm/mach-generic include last.
+cflags-$(CONFIG_MACH_INGENIC_SOC)	+= -I$(srctree)/arch/mips/include/asm/mach-ingenic
 cflags-$(CONFIG_MIPS_GENERIC)	+= -I$(srctree)/arch/mips/include/asm/mach-generic
+
 load-$(CONFIG_MIPS_GENERIC)	+= 0xffffffff80100000
+zload-$(CONFIG_MIPS_GENERIC)	+= 0xffffffff81000000
 all-$(CONFIG_MIPS_GENERIC)	:= vmlinux.gz.itb
 
 its-y					:= vmlinux.its.S

arch/mips/generic/board-ingenic.c

+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Support for Ingenic SoCs
+ *
+ * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
+ * Copyright (C) 2011, Maarten ter Huurne <maarten@treewalker.org>
+ * Copyright (C) 2020 Paul Cercueil <paul@crapouillou.net>
+ */
+
+#include <linux/of_address.h>
+#include <linux/of_fdt.h>
+#include <linux/pm.h>
+#include <linux/sizes.h>
+#include <linux/suspend.h>
+#include <linux/types.h>
+
+#include <asm/bootinfo.h>
+#include <asm/machine.h>
+#include <asm/reboot.h>
+
+static __init char *ingenic_get_system_type(unsigned long machtype)
+{
+	switch (machtype) {
+	case MACH_INGENIC_X2000E:
+		return "X2000E";
+	case MACH_INGENIC_X2000:
+		return "X2000";
+	case MACH_INGENIC_X1830:
+		return "X1830";
+	case MACH_INGENIC_X1000E:
+		return "X1000E";
+	case MACH_INGENIC_X1000:
+		return "X1000";
+	case MACH_INGENIC_JZ4780:
+		return "JZ4780";
+	case MACH_INGENIC_JZ4775:
+		return "JZ4775";
+	case MACH_INGENIC_JZ4770:
+		return "JZ4770";
+	case MACH_INGENIC_JZ4725B:
+		return "JZ4725B";
+	default:
+		return "JZ4740";
+	}
+}
+
+static __init const void *ingenic_fixup_fdt(const void *fdt, const void *match_data)
+{
+	/*
+	 * Old devicetree files for the qi,lb60 board did not have a /memory
+	 * node. Hardcode the memory info here.
+	 */
+	if (!fdt_node_check_compatible(fdt, 0, "qi,lb60") &&
+	    fdt_path_offset(fdt, "/memory") < 0)
+		early_init_dt_add_memory_arch(0, SZ_32M);
+
+	mips_machtype = (unsigned long)match_data;
+	system_type = ingenic_get_system_type(mips_machtype);
+
+	return fdt;
+}
+
+static const struct of_device_id ingenic_of_match[] __initconst = {
+	{ .compatible = "ingenic,jz4740", .data = (void *)MACH_INGENIC_JZ4740 },
+	{ .compatible = "ingenic,jz4725b", .data = (void *)MACH_INGENIC_JZ4725B },
+	{ .compatible = "ingenic,jz4770", .data = (void *)MACH_INGENIC_JZ4770 },
+	{ .compatible = "ingenic,jz4775", .data = (void *)MACH_INGENIC_JZ4775 },
+	{ .compatible = "ingenic,jz4780", .data = (void *)MACH_INGENIC_JZ4780 },
+	{ .compatible = "ingenic,x1000", .data = (void *)MACH_INGENIC_X1000 },
+	{ .compatible = "ingenic,x1000e", .data = (void *)MACH_INGENIC_X1000E },
+	{ .compatible = "ingenic,x1830", .data = (void *)MACH_INGENIC_X1830 },
+	{ .compatible = "ingenic,x2000", .data = (void *)MACH_INGENIC_X2000 },
+	{ .compatible = "ingenic,x2000e", .data = (void *)MACH_INGENIC_X2000E },
+	{}
+};
+
+MIPS_MACHINE(ingenic) = {
+	.matches = ingenic_of_match,
+	.fixup_fdt = ingenic_fixup_fdt,
+};
+
+static void ingenic_wait_instr(void)
+{
+	__asm__(".set push;\n"
+		".set mips3;\n"
+		"wait;\n"
+		".set pop;\n"
+	);
+}
+
+static void ingenic_halt(void)
+{
+	for (;;)
+		ingenic_wait_instr();
+}
+
+static int __maybe_unused ingenic_pm_enter(suspend_state_t state)
+{
+	ingenic_wait_instr();
+
+	return 0;
+}
+
+static const struct platform_suspend_ops ingenic_pm_ops __maybe_unused = {
+	.valid = suspend_valid_only_mem,
+	.enter = ingenic_pm_enter,
+};
+
+static int __init ingenic_pm_init(void)
+{
+	if (boot_cpu_type() == CPU_XBURST) {
+		if (IS_ENABLED(CONFIG_PM_SLEEP))
+			suspend_set_ops(&ingenic_pm_ops);
+		_machine_halt = ingenic_halt;
+	}
+
+	return 0;
+
+}
+late_initcall(ingenic_pm_init);

arch/mips/generic/init.c

@@ -39,12 +39,11 @@ void __init *plat_get_fdt(void)
 		/* Already set up */
 		return (void *)fdt;
 
-	if ((fw_arg0 == -2) && !fdt_check_header((void *)fw_passed_dtb)) {
+	if (fw_passed_dtb && !fdt_check_header((void *)fw_passed_dtb)) {
 		/*
-		 * We booted using the UHI boot protocol, so we have been
-		 * provided with the appropriate device tree for the board.
-		 * Make use of it & search for any machine struct based upon
-		 * the root compatible string.
+		 * We have been provided with the appropriate device tree for
+		 * the board. Make use of it & search for any machine struct
+		 * based upon the root compatible string.
 		 */
 		fdt = (void *)fw_passed_dtb;
 
@@ -106,7 +105,7 @@ void __init plat_mem_setup(void)
 	if (mach && mach->fixup_fdt)
 		fdt = mach->fixup_fdt(fdt, mach_match_data);
 
-	strlcpy(arcs_cmdline, boot_command_line, COMMAND_LINE_SIZE);
+	fw_init_cmdline();
 	__dt_setup_arch((void *)fdt);
 }
 

arch/mips/generic/proc.c

@@ -8,11 +8,16 @@
 
 #include <asm/bootinfo.h>
 
+char *system_type;
+
 const char *get_system_type(void)
 {
 	const char *str;
 	int err;
 
+	if (system_type)
+		return system_type;
+
 	err = of_property_read_string(of_root, "model", &str);
 	if (!err)
 		return str;

arch/mips/include/asm/bootinfo.h

@@ -79,8 +79,10 @@ enum ingenic_machine_type {
 	MACH_INGENIC_JZ4775,
 	MACH_INGENIC_JZ4780,
 	MACH_INGENIC_X1000,
+	MACH_INGENIC_X1000E,
 	MACH_INGENIC_X1830,
 	MACH_INGENIC_X2000,
+	MACH_INGENIC_X2000E,
 };
 
 extern char *system_type;
@@ -88,13 +90,6 @@ const char *get_system_type(void);
 
 extern unsigned long mips_machtype;
 
-#define BOOT_MEM_RAM		1
-#define BOOT_MEM_ROM_DATA	2
-#define BOOT_MEM_RESERVED	3
-#define BOOT_MEM_INIT_RAM	4
-#define BOOT_MEM_NOMAP		5
-
-extern void add_memory_region(phys_addr_t start, phys_addr_t size, long type);
 extern void detect_memory_region(phys_addr_t start, phys_addr_t sz_min,  phys_addr_t sz_max);
 
 extern void prom_init(void);

arch/mips/include/asm/cpu-features.h

@@ -171,9 +171,6 @@
 #ifndef cpu_has_llsc
 #define cpu_has_llsc		__isa_ge_or_opt(1, MIPS_CPU_LLSC)
 #endif
-#ifndef cpu_has_bp_ghist
-#define cpu_has_bp_ghist	__opt(MIPS_CPU_BP_GHIST)
-#endif
 #ifndef kernel_uses_llsc
 #define kernel_uses_llsc	cpu_has_llsc
 #endif

arch/mips/include/asm/cpu.h

@@ -398,7 +398,6 @@ enum cpu_type_enum {
 #define MIPS_CPU_RW_LLB		BIT_ULL(32)	/* LLADDR/LLB writes are allowed */
 #define MIPS_CPU_LPA		BIT_ULL(33)	/* CPU supports Large Physical Addressing */
 #define MIPS_CPU_CDMM		BIT_ULL(34)	/* CPU has Common Device Memory Map */
-#define MIPS_CPU_BP_GHIST	BIT_ULL(35)	/* R12K+ Branch Prediction Global History */
 #define MIPS_CPU_SP		BIT_ULL(36)	/* Small (1KB) page support */
 #define MIPS_CPU_FTLB		BIT_ULL(37)	/* CPU has Fixed-page-size TLB */
 #define MIPS_CPU_NAN_LEGACY	BIT_ULL(38)	/* Legacy NaN implemented */

arch/mips/include/asm/futex.h

@@ -21,7 +21,7 @@
 
 #define __futex_atomic_op(insn, ret, oldval, uaddr, oparg)		\
 {									\
-	if (cpu_has_llsc && R10000_LLSC_WAR) {				\
+	if (cpu_has_llsc && IS_ENABLED(CONFIG_WAR_R10000_LLSC)) {	\
 		__asm__ __volatile__(					\
 		"	.set	push				\n"	\
 		"	.set	noat				\n"	\
@@ -133,7 +133,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
 	if (!access_ok(uaddr, sizeof(u32)))
 		return -EFAULT;
 
-	if (cpu_has_llsc && R10000_LLSC_WAR) {
+	if (cpu_has_llsc && IS_ENABLED(CONFIG_WAR_R10000_LLSC)) {
 		__asm__ __volatile__(
 		"# futex_atomic_cmpxchg_inatomic			\n"
 		"	.set	push					\n"

arch/mips/include/asm/idle.h

@@ -15,6 +15,8 @@ static inline int using_rollback_handler(void)
 	return cpu_wait == r4k_wait;
 }
 
+extern void __init check_wait(void);
+
 extern int mips_cpuidle_wait_enter(struct cpuidle_device *dev,
 				   struct cpuidle_driver *drv, int index);
 

arch/mips/include/asm/llsc.h

@@ -28,7 +28,7 @@
  * works around a bug present in R10000 CPUs prior to revision 3.0 that could
  * cause ll-sc sequences to execute non-atomically.
  */
-#if R10000_LLSC_WAR
+#ifdef CONFIG_WAR_R10000_LLSC
 # define __SC_BEQZ "beqzl	"
 #elif MIPS_ISA_REV >= 6
 # define __SC_BEQZ "beqzc	"

arch/mips/include/asm/local.h

@@ -31,7 +31,7 @@ static __inline__ long local_add_return(long i, local_t * l)
 {
 	unsigned long result;
 
-	if (kernel_uses_llsc && R10000_LLSC_WAR) {
+	if (kernel_uses_llsc && IS_ENABLED(CONFIG_WAR_R10000_LLSC)) {
 		unsigned long temp;
 
 		__asm__ __volatile__(
@@ -80,7 +80,7 @@ static __inline__ long local_sub_return(long i, local_t * l)
 {
 	unsigned long result;
 
-	if (kernel_uses_llsc && R10000_LLSC_WAR) {
+	if (kernel_uses_llsc && IS_ENABLED(CONFIG_WAR_R10000_LLSC)) {
 		unsigned long temp;
 
 		__asm__ __volatile__(

arch/mips/include/asm/m48t37.h

-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- *  Registers for the SGS-Thomson M48T37 Timekeeper RAM chip
- */
-#ifndef _ASM_M48T37_H
-#define _ASM_M48T37_H
-
-#include <linux/spinlock.h>
-
-extern spinlock_t rtc_lock;
-
-struct m48t37_rtc {
-	volatile u8	pad[0x7ff0];	/* NVRAM */
-	volatile u8	flags;
-	volatile u8	century;
-	volatile u8	alarm_sec;
-	volatile u8	alarm_min;
-	volatile u8	alarm_hour;
-	volatile u8	alarm_data;
-	volatile u8	interrupts;
-	volatile u8	watchdog;
-	volatile u8	control;
-	volatile u8	sec;
-	volatile u8	min;
-	volatile u8	hour;
-	volatile u8	day;
-	volatile u8	date;
-	volatile u8	month;
-	volatile u8	year;
-};
-
-#define M48T37_RTC_SET		0x80
-#define M48T37_RTC_STOPPED	0x80
-#define M48T37_RTC_READ		0x40
-
-#endif /* _ASM_M48T37_H */

arch/mips/include/asm/mach-au1x00/cpu-feature-overrides.h

@@ -39,7 +39,6 @@
 #define cpu_has_guestctl2		0
 #define cpu_has_guestid			0
 #define cpu_has_drg			0
-#define cpu_has_bp_ghist		0
 #define cpu_has_mips16			0
 #define cpu_has_mips16e2		0
 #define cpu_has_mdmx			0

arch/mips/include/asm/mach-au1x00/gpio-au1300.h

@@ -120,141 +120,4 @@ static inline int au1300_gpio_getinitlvl(unsigned int gpio)
 	return (v >> gpio) & 1;
 }
 
-/**********************************************************************/
-
-/* Linux gpio framework integration.
-*
-* 4 use cases of Alchemy GPIOS:
-*(1) GPIOLIB=y, ALCHEMY_GPIO_INDIRECT=y:
-*	Board must register gpiochips.
-*(2) GPIOLIB=y, ALCHEMY_GPIO_INDIRECT=n:
-*	A gpiochip for the 75 GPIOs is registered.
-*
-*(3) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=y:
-*	the boards' gpio.h must provide the linux gpio wrapper functions,
-*
-*(4) GPIOLIB=n, ALCHEMY_GPIO_INDIRECT=n:
-*	inlinable gpio functions are provided which enable access to the
-*	Au1300 gpios only by using the numbers straight out of the data-
-*	sheets.
-
-* Cases 1 and 3 are intended for boards which want to provide their own
-* GPIO namespace and -operations (i.e. for example you have 8 GPIOs
-* which are in part provided by spare Au1300 GPIO pins and in part by
-* an external FPGA but you still want them to be accessible in linux
-* as gpio0-7. The board can of course use the alchemy_gpioX_* functions
-* as required).
-*/
-
-#ifndef CONFIG_GPIOLIB
-
-#ifdef CONFIG_ALCHEMY_GPIOINT_AU1300
-
-#ifndef CONFIG_ALCHEMY_GPIO_INDIRECT	/* case (4) */
-
-static inline int gpio_direction_input(unsigned int gpio)
-{
-	return au1300_gpio_direction_input(gpio);
-}
-
-static inline int gpio_direction_output(unsigned int gpio, int v)
-{
-	return au1300_gpio_direction_output(gpio, v);
-}
-
-static inline int gpio_get_value(unsigned int gpio)
-{
-	return au1300_gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value(unsigned int gpio, int v)
-{
-	au1300_gpio_set_value(gpio, v);
-}
-
-static inline int gpio_get_value_cansleep(unsigned gpio)
-{
-	return gpio_get_value(gpio);
-}
-
-static inline void gpio_set_value_cansleep(unsigned gpio, int value)
-{
-	gpio_set_value(gpio, value);
-}
-
-static inline int gpio_is_valid(unsigned int gpio)
-{
-	return au1300_gpio_is_valid(gpio);
-}
-
-static inline int gpio_cansleep(unsigned int gpio)
-{
-	return au1300_gpio_cansleep(gpio);
-}
-
-static inline int gpio_to_irq(unsigned int gpio)
-{
-	return au1300_gpio_to_irq(gpio);
-}
-
-static inline int irq_to_gpio(unsigned int irq)
-{
-	return au1300_irq_to_gpio(irq);
-}
-
-static inline int gpio_request(unsigned int gpio, const char *label)
-{
-	return 0;
-}
-
-static inline int gpio_request_one(unsigned gpio,
-					unsigned long flags, const char *label)
-{
-	return 0;
-}
-
-static inline int gpio_request_array(struct gpio *array, size_t num)
-{
-	return 0;
-}
-
-static inline void gpio_free(unsigned gpio)
-{
-}
-
-static inline void gpio_free_array(struct gpio *array, size_t num)
-{
-}
-
-static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
-{
-	return -ENOSYS;
-}
-
-static inline void gpio_unexport(unsigned gpio)
-{
-}
-
-static inline int gpio_export(unsigned gpio, bool direction_may_change)
-{
-	return -ENOSYS;
-}
-
-static inline int gpio_sysfs_set_active_low(unsigned gpio, int value)
-{
-	return -ENOSYS;
-}
-
-static inline int gpio_export_link(struct device *dev, const char *name,
-				   unsigned gpio)
-{
-	return -ENOSYS;
-}
-
-#endif	/* !CONFIG_ALCHEMY_GPIO_INDIRECT */
-
-#endif	/* CONFIG_ALCHEMY_GPIOINT_AU1300 */
-
-#endif	/* CONFIG GPIOLIB */
-
 #endif /* _GPIO_AU1300_H_ */

arch/mips/include/asm/mach-bcm47xx/bcm47xx.h

@@ -10,6 +10,7 @@
 #include <linux/bcma/bcma.h>
 #include <linux/bcma/bcma_soc.h>
 #include <linux/bcm47xx_nvram.h>
+#include <linux/bcm47xx_sprom.h>
 
 enum bcm47xx_bus_type {
 #ifdef CONFIG_BCM47XX_SSB
@@ -32,9 +33,6 @@ union bcm47xx_bus {
 extern union bcm47xx_bus bcm47xx_bus;
 extern enum bcm47xx_bus_type bcm47xx_bus_type;
 
-void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix,
-			bool fallback);
-
 void bcm47xx_set_system_type(u16 chip_id);
 
 #endif /* __ASM_BCM47XX_H */

arch/mips/include/asm/mach-cavium-octeon/war.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- * Copyright (C) 2008 Cavium Networks <support@caviumnetworks.com>
- */
-#ifndef __ASM_MIPS_MACH_CAVIUM_OCTEON_WAR_H
-#define __ASM_MIPS_MACH_CAVIUM_OCTEON_WAR_H
-
-#define R4600_V1_INDEX_ICACHEOP_WAR	0
-#define R4600_V1_HIT_CACHEOP_WAR	0
-#define R4600_V2_HIT_CACHEOP_WAR	0
-#define BCM1250_M3_WAR			0
-#define SIBYTE_1956_WAR			0
-#define MIPS4K_ICACHE_REFILL_WAR	0
-#define MIPS_CACHE_SYNC_WAR		0
-#define TX49XX_ICACHE_INDEX_INV_WAR	0
-#define ICACHE_REFILLS_WORKAROUND_WAR	0
-#define R10000_LLSC_WAR			0
-#define MIPS34K_MISSED_ITLB_WAR		0
-
-#define CAVIUM_OCTEON_DCACHE_PREFETCH_WAR	\
-	OCTEON_IS_MODEL(OCTEON_CN6XXX)
-
-#endif /* __ASM_MIPS_MACH_CAVIUM_OCTEON_WAR_H */

arch/mips/include/asm/mach-generic/irq.h

@@ -9,7 +9,7 @@
 #define __ASM_MACH_GENERIC_IRQ_H
 
 #ifndef NR_IRQS
-#define NR_IRQS 128
+#define NR_IRQS 256
 #endif
 
 #ifdef CONFIG_I8259

arch/mips/include/asm/mach-generic/war.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MACH_GENERIC_WAR_H
-#define __ASM_MACH_GENERIC_WAR_H
-
-#define R4600_V1_INDEX_ICACHEOP_WAR	0
-#define R4600_V1_HIT_CACHEOP_WAR	0
-#define R4600_V2_HIT_CACHEOP_WAR	0
-#define BCM1250_M3_WAR			0
-#define SIBYTE_1956_WAR			0
-#define MIPS4K_ICACHE_REFILL_WAR	0
-#define MIPS_CACHE_SYNC_WAR		0
-#define TX49XX_ICACHE_INDEX_INV_WAR	0
-#define ICACHE_REFILLS_WORKAROUND_WAR	0
-#define R10000_LLSC_WAR			0
-#define MIPS34K_MISSED_ITLB_WAR		0
-
-#endif /* __ASM_MACH_GENERIC_WAR_H */

arch/mips/include/asm/mach-ip22/war.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MIPS_MACH_IP22_WAR_H
-#define __ASM_MIPS_MACH_IP22_WAR_H
-
-/*
- * R4600 CPU modules for the Indy come with both V1.7 and V2.0 processors.
- */
-
-#define R4600_V1_INDEX_ICACHEOP_WAR	1
-#define R4600_V1_HIT_CACHEOP_WAR	1
-#define R4600_V2_HIT_CACHEOP_WAR	1
-#define BCM1250_M3_WAR			0
-#define SIBYTE_1956_WAR			0
-#define MIPS4K_ICACHE_REFILL_WAR	0
-#define MIPS_CACHE_SYNC_WAR		0
-#define TX49XX_ICACHE_INDEX_INV_WAR	0
-#define ICACHE_REFILLS_WORKAROUND_WAR	0
-#define R10000_LLSC_WAR			0
-#define MIPS34K_MISSED_ITLB_WAR		0
-
-#endif /* __ASM_MIPS_MACH_IP22_WAR_H */

arch/mips/include/asm/mach-ip27/kmalloc.h

-#ifndef __ASM_MACH_IP27_KMALLOC_H
-#define __ASM_MACH_IP27_KMALLOC_H
-
-/*
- * All happy, no need to define ARCH_DMA_MINALIGN
- */
-
-#endif /* __ASM_MACH_IP27_KMALLOC_H */

arch/mips/include/asm/mach-ip27/war.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MIPS_MACH_IP27_WAR_H
-#define __ASM_MIPS_MACH_IP27_WAR_H
-
-#define R4600_V1_INDEX_ICACHEOP_WAR	0
-#define R4600_V1_HIT_CACHEOP_WAR	0
-#define R4600_V2_HIT_CACHEOP_WAR	0
-#define BCM1250_M3_WAR			0
-#define SIBYTE_1956_WAR			0
-#define MIPS4K_ICACHE_REFILL_WAR	0
-#define MIPS_CACHE_SYNC_WAR		0
-#define TX49XX_ICACHE_INDEX_INV_WAR	0
-#define ICACHE_REFILLS_WORKAROUND_WAR	0
-#define R10000_LLSC_WAR			1
-#define MIPS34K_MISSED_ITLB_WAR		0
-
-#endif /* __ASM_MIPS_MACH_IP27_WAR_H */

arch/mips/include/asm/mach-ip28/cpu-feature-overrides.h

@@ -25,7 +25,7 @@
 #define cpu_has_mcheck		0
 #define cpu_has_ejtag		0
 
-#define cpu_has_llsc		1
+#define cpu_has_llsc		0
 #define cpu_has_vtag_icache	0
 #define cpu_has_dc_aliases	0 /* see probe_pcache() */
 #define cpu_has_ic_fills_f_dc	0

arch/mips/include/asm/mach-ip28/war.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MIPS_MACH_IP28_WAR_H
-#define __ASM_MIPS_MACH_IP28_WAR_H
-
-#define R4600_V1_INDEX_ICACHEOP_WAR	0
-#define R4600_V1_HIT_CACHEOP_WAR	0
-#define R4600_V2_HIT_CACHEOP_WAR	0
-#define BCM1250_M3_WAR			0
-#define SIBYTE_1956_WAR			0
-#define MIPS4K_ICACHE_REFILL_WAR	0
-#define MIPS_CACHE_SYNC_WAR		0
-#define TX49XX_ICACHE_INDEX_INV_WAR	0
-#define ICACHE_REFILLS_WORKAROUND_WAR	0
-#define R10000_LLSC_WAR			1
-#define MIPS34K_MISSED_ITLB_WAR		0
-
-#endif /* __ASM_MIPS_MACH_IP28_WAR_H */

arch/mips/include/asm/mach-ip30/irq.h

-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * HEART IRQ defines
- *
- * Copyright (C) 2009 Johannes Dickgreber <tanzy@gmx.de>
- *		 2014-2016 Joshua Kinard <kumba@gentoo.org>
- *
- */
-
-#ifndef __ASM_MACH_IP30_IRQ_H
-#define __ASM_MACH_IP30_IRQ_H
-
-/*
- * HEART has 64 hardware interrupts, but use 128 to leave room for a few
- * software interrupts as well (such as the CPU timer interrupt.
- */
-#define NR_IRQS				128
-
-extern void __init ip30_install_ipi(void);
-
-/*
- * HEART has 64 interrupt vectors available to it, subdivided into five
- * priority levels.  They are numbered 0 to 63.
- */
-#define HEART_NUM_IRQS			64
-
-/*
- * These are the five interrupt priority levels and their corresponding
- * CPU IPx interrupt pins.
- *
- * Level 4 - Error Interrupts.
- * Level 3 - HEART timer interrupt.
- * Level 2 - CPU IPI, CPU debug, power putton, general device interrupts.
- * Level 1 - General device interrupts.
- * Level 0 - General device GFX flow control interrupts.
- */
-#define HEART_L4_INT_MASK		0xfff8000000000000ULL	/* IP6 */
-#define HEART_L3_INT_MASK		0x0004000000000000ULL	/* IP5 */
-#define HEART_L2_INT_MASK		0x0003ffff00000000ULL	/* IP4 */
-#define HEART_L1_INT_MASK		0x00000000ffff0000ULL	/* IP3 */
-#define HEART_L0_INT_MASK		0x000000000000ffffULL	/* IP2 */
-
-/* HEART L0 Interrupts (Low Priority) */
-#define HEART_L0_INT_GENERIC		 0
-#define HEART_L0_INT_FLOW_CTRL_HWTR_0	 1
-#define HEART_L0_INT_FLOW_CTRL_HWTR_1	 2
-
-/* HEART L2 Interrupts (High Priority) */
-#define HEART_L2_INT_RESCHED_CPU_0	46
-#define HEART_L2_INT_RESCHED_CPU_1	47
-#define HEART_L2_INT_CALL_CPU_0		48
-#define HEART_L2_INT_CALL_CPU_1		49
-
-/* HEART L3 Interrupts (Compare/Counter Timer) */
-#define HEART_L3_INT_TIMER		50
-
-/* HEART L4 Interrupts (Errors) */
-#define HEART_L4_INT_XWID_ERR_9		51
-#define HEART_L4_INT_XWID_ERR_A		52
-#define HEART_L4_INT_XWID_ERR_B		53
-#define HEART_L4_INT_XWID_ERR_C		54
-#define HEART_L4_INT_XWID_ERR_D		55
-#define HEART_L4_INT_XWID_ERR_E		56
-#define HEART_L4_INT_XWID_ERR_F		57
-#define HEART_L4_INT_XWID_ERR_XBOW	58
-#define HEART_L4_INT_CPU_BUS_ERR_0	59
-#define HEART_L4_INT_CPU_BUS_ERR_1	60
-#define HEART_L4_INT_CPU_BUS_ERR_2	61
-#define HEART_L4_INT_CPU_BUS_ERR_3	62
-#define HEART_L4_INT_HEART_EXCP		63
-
-/*
- * Power Switch is wired via BaseIO BRIDGE slot #6.
- *
- * ACFail is wired via BaseIO BRIDGE slot #7.
- */
-#define IP30_POWER_IRQ		HEART_L2_INT_POWER_BTN
-
-#include <asm/mach-generic/irq.h>
-
-#define IP30_HEART_L0_IRQ	(MIPS_CPU_IRQ_BASE + 2)
-#define IP30_HEART_L1_IRQ	(MIPS_CPU_IRQ_BASE + 3)
-#define IP30_HEART_L2_IRQ	(MIPS_CPU_IRQ_BASE + 4)
-#define IP30_HEART_TIMER_IRQ	(MIPS_CPU_IRQ_BASE + 5)
-#define IP30_HEART_ERR_IRQ	(MIPS_CPU_IRQ_BASE + 6)
-
-#endif /* __ASM_MACH_IP30_IRQ_H */

arch/mips/include/asm/mach-ip30/war.h

-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MIPS_MACH_IP30_WAR_H
-#define __ASM_MIPS_MACH_IP30_WAR_H
-
-#define R4600_V1_INDEX_ICACHEOP_WAR	0
-#define R4600_V1_HIT_CACHEOP_WAR	0
-#define R4600_V2_HIT_CACHEOP_WAR	0
-#define BCM1250_M3_WAR			0
-#define SIBYTE_1956_WAR			0
-#define MIPS4K_ICACHE_REFILL_WAR	0
-#define MIPS_CACHE_SYNC_WAR		0
-#define TX49XX_ICACHE_INDEX_INV_WAR	0
-#define ICACHE_REFILLS_WORKAROUND_WAR	0
-#ifdef CONFIG_CPU_R10000
-#define R10000_LLSC_WAR			1
-#else
-#define R10000_LLSC_WAR			0
-#endif
-#define MIPS34K_MISSED_ITLB_WAR		0
-
-#endif /* __ASM_MIPS_MACH_IP30_WAR_H */

arch/mips/include/asm/mach-ip32/war.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MIPS_MACH_IP32_WAR_H
-#define __ASM_MIPS_MACH_IP32_WAR_H
-
-#define R4600_V1_INDEX_ICACHEOP_WAR	0
-#define R4600_V1_HIT_CACHEOP_WAR	0
-#define R4600_V2_HIT_CACHEOP_WAR	0
-#define BCM1250_M3_WAR			0
-#define SIBYTE_1956_WAR			0
-#define MIPS4K_ICACHE_REFILL_WAR	0
-#define MIPS_CACHE_SYNC_WAR		0
-#define TX49XX_ICACHE_INDEX_INV_WAR	0
-#define ICACHE_REFILLS_WORKAROUND_WAR	1
-#define R10000_LLSC_WAR			0
-#define MIPS34K_MISSED_ITLB_WAR		0
-
-#endif /* __ASM_MIPS_MACH_IP32_WAR_H */

arch/mips/include/asm/mach-jz4740/irq.h

-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- *  Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de>
- *  JZ4740 IRQ definitions
- */
-
-#ifndef __ASM_MACH_JZ4740_IRQ_H__
-#define __ASM_MACH_JZ4740_IRQ_H__
-
-#define MIPS_CPU_IRQ_BASE 0
-#define NR_IRQS 256
-
-#endif

arch/mips/include/asm/mach-loongson2ef/mc146818rtc.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 1998, 2001, 03, 07 by Ralf Baechle (ralf@linux-mips.org)
- *
- * RTC routines for PC style attached Dallas chip.
- */
-#ifndef __ASM_MACH_LOONGSON2EF_MC146818RTC_H
-#define __ASM_MACH_LOONGSON2EF_MC146818RTC_H
-
-#include <linux/io.h>
-
-#define RTC_PORT(x)	(0x70 + (x))
-#define RTC_IRQ		8
-
-static inline unsigned char CMOS_READ(unsigned long addr)
-{
-	outb_p(addr, RTC_PORT(0));
-	return inb_p(RTC_PORT(1));
-}
-
-static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
-{
-	outb_p(addr, RTC_PORT(0));
-	outb_p(data, RTC_PORT(1));
-}
-
-#define RTC_ALWAYS_BCD	0
-
-#ifndef mc146818_decode_year
-#define mc146818_decode_year(year) ((year) < 70 ? (year) + 2000 : (year) + 1970)
-#endif
-
-#endif /* __ASM_MACH_LOONGSON2EF_MC146818RTC_H */

arch/mips/include/asm/mach-loongson64/irq.h

@@ -5,7 +5,8 @@
 /* cpu core interrupt numbers */
 #define NR_IRQS_LEGACY		16
 #define NR_MIPS_CPU_IRQS	8
-#define NR_IRQS			(NR_IRQS_LEGACY + NR_MIPS_CPU_IRQS + 256)
+#define NR_MAX_CHAINED_IRQS	40 /* Chained IRQs means those not directly used by devices */
+#define NR_IRQS			(NR_IRQS_LEGACY + NR_MIPS_CPU_IRQS + NR_MAX_CHAINED_IRQS + 256)
 
 #define MIPS_CPU_IRQ_BASE 	NR_IRQS_LEGACY
 

arch/mips/include/asm/mach-loongson64/mmzone.h

@@ -10,13 +10,9 @@
 #define _ASM_MACH_LOONGSON64_MMZONE_H
 
 #define NODE_ADDRSPACE_SHIFT 44
-#define NODE0_ADDRSPACE_OFFSET 0x000000000000UL
-#define NODE1_ADDRSPACE_OFFSET 0x100000000000UL
-#define NODE2_ADDRSPACE_OFFSET 0x200000000000UL
-#define NODE3_ADDRSPACE_OFFSET 0x300000000000UL
 
 #define pa_to_nid(addr)  (((addr) & 0xf00000000000) >> NODE_ADDRSPACE_SHIFT)
-#define nid_to_addrbase(nid) ((nid) << NODE_ADDRSPACE_SHIFT)
+#define nid_to_addrbase(nid) ((unsigned long)(nid) << NODE_ADDRSPACE_SHIFT)
 
 extern struct pglist_data *__node_data[];
 

arch/mips/include/asm/mach-malta/malta-dtshim.h

-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2015 Imagination Technologies
- * Author: Paul Burton <paul.burton@mips.com>
- */
-
-#ifndef __MIPS_MALTA_DTSHIM_H__
-#define __MIPS_MALTA_DTSHIM_H__
-
-#include <linux/init.h>
-
-#ifdef CONFIG_MIPS_MALTA
-
-extern void __init *malta_dt_shim(void *fdt);
-
-#else /* !CONFIG_MIPS_MALTA */
-
-static inline void *malta_dt_shim(void *fdt)
-{
-	return fdt;
-}
-
-#endif /* !CONFIG_MIPS_MALTA */
-
-#endif /* __MIPS_MALTA_DTSHIM_H__ */

arch/mips/include/asm/mach-malta/malta-pm.h

-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2014 Imagination Technologies
- * Author: Paul Burton <paul.burton@mips.com>
- */
-
-#ifndef __ASM_MIPS_MACH_MALTA_PM_H__
-#define __ASM_MIPS_MACH_MALTA_PM_H__
-
-#include <asm/mips-boards/piix4.h>
-
-#ifdef CONFIG_MIPS_MALTA_PM
-
-/**
- * mips_pm_suspend - enter a suspend state
- * @state: the state to enter, one of PIIX4_FUNC3IO_PMCNTRL_SUS_TYP_*
- *
- * Enters a suspend state via the Malta's PIIX4. If the state to be entered
- * is one which loses context (eg. SOFF) then this function will never
- * return.
- */
-extern int mips_pm_suspend(unsigned state);
-
-#else /* !CONFIG_MIPS_MALTA_PM */
-
-static inline int mips_pm_suspend(unsigned state)
-{
-	return -EINVAL;
-}
-
-#endif /* !CONFIG_MIPS_MALTA_PM */
-
-#endif /* __ASM_MIPS_MACH_MALTA_PM_H__ */

arch/mips/include/asm/mach-malta/war.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MIPS_MACH_MIPS_WAR_H
-#define __ASM_MIPS_MACH_MIPS_WAR_H
-
-#define R4600_V1_INDEX_ICACHEOP_WAR	0
-#define R4600_V1_HIT_CACHEOP_WAR	0
-#define R4600_V2_HIT_CACHEOP_WAR	0
-#define BCM1250_M3_WAR			0
-#define SIBYTE_1956_WAR			0
-#define MIPS4K_ICACHE_REFILL_WAR	1
-#define MIPS_CACHE_SYNC_WAR		1
-#define TX49XX_ICACHE_INDEX_INV_WAR	0
-#define ICACHE_REFILLS_WORKAROUND_WAR	1
-#define R10000_LLSC_WAR			0
-#define MIPS34K_MISSED_ITLB_WAR		0
-
-#endif /* __ASM_MIPS_MACH_MIPS_WAR_H */

arch/mips/include/asm/mach-paravirt/cpu-feature-overrides.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2013 Cavium, Inc.
- */
-#ifndef __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H
-#define __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H
-
-#define cpu_has_4kex		1
-#define cpu_has_3k_cache	0
-#define cpu_has_tx39_cache	0
-#define cpu_has_counter		1
-#define cpu_has_llsc		1
-/*
- * We Disable LL/SC on non SMP systems as it is faster to disable
- * interrupts for atomic access than a LL/SC.
- */
-#ifdef CONFIG_SMP
-# define kernel_uses_llsc	1
-#else
-# define kernel_uses_llsc	0
-#endif
-
-#ifdef CONFIG_CPU_CAVIUM_OCTEON
-#define cpu_dcache_line_size()	128
-#define cpu_icache_line_size()	128
-#define cpu_has_octeon_cache	1
-#define cpu_has_4k_cache	0
-#else
-#define cpu_has_4k_cache	1
-#endif
-
-#endif /* __ASM_MACH_PARAVIRT_CPU_FEATURE_OVERRIDES_H */

arch/mips/include/asm/mach-paravirt/irq.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2013 Cavium, Inc.
- */
-#ifndef __ASM_MACH_PARAVIRT_IRQ_H__
-#define  __ASM_MACH_PARAVIRT_IRQ_H__
-
-#define NR_IRQS 64
-#define MIPS_CPU_IRQ_BASE 1
-
-#define MIPS_IRQ_PCIA (MIPS_CPU_IRQ_BASE + 8)
-
-#define MIPS_IRQ_MBOX0 (MIPS_CPU_IRQ_BASE + 32)
-#define MIPS_IRQ_MBOX1 (MIPS_CPU_IRQ_BASE + 33)
-
-#endif /* __ASM_MACH_PARAVIRT_IRQ_H__ */

arch/mips/include/asm/mach-paravirt/kernel-entry-init.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2013 Cavium, Inc
- */
-#ifndef __ASM_MACH_PARAVIRT_KERNEL_ENTRY_H
-#define __ASM_MACH_PARAVIRT_KERNEL_ENTRY_H
-
-#define CP0_EBASE $15, 1
-
-	.macro  kernel_entry_setup
-#ifdef CONFIG_SMP
-	mfc0	t0, CP0_EBASE
-	andi	t0, t0, 0x3ff		# CPUNum
-	beqz	t0, 1f
-	# CPUs other than zero goto smp_bootstrap
-	j	smp_bootstrap
-#endif /* CONFIG_SMP */
-
-1:
-	.endm
-
-/*
- * Do SMP slave processor setup necessary before we can safely execute
- * C code.
- */
-	.macro  smp_slave_setup
-	mfc0	t0, CP0_EBASE
-	andi	t0, t0, 0x3ff		# CPUNum
-	slti	t1, t0, NR_CPUS
-	bnez	t1, 1f
-2:
-	di
-	wait
-	b	2b			# Unknown CPU, loop forever.
-1:
-	PTR_LA	t1, paravirt_smp_sp
-	PTR_SLL	t0, PTR_SCALESHIFT
-	PTR_ADDU t1, t1, t0
-3:
-	PTR_L	sp, 0(t1)
-	beqz	sp, 3b			# Spin until told to proceed.
-
-	PTR_LA	t1, paravirt_smp_gp
-	PTR_ADDU t1, t1, t0
-	sync
-	PTR_L	gp, 0(t1)
-	.endm
-
-#endif /* __ASM_MACH_PARAVIRT_KERNEL_ENTRY_H */

arch/mips/include/asm/mach-pnx833x/gpio.h

-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- *  gpio.h: GPIO Support for PNX833X.
- *
- *  Copyright 2008 NXP Semiconductors
- *	  Chris Steel <chris.steel@nxp.com>
- *    Daniel Laird <daniel.j.laird@nxp.com>
- */
-#ifndef __ASM_MIPS_MACH_PNX833X_GPIO_H
-#define __ASM_MIPS_MACH_PNX833X_GPIO_H
-
-/* BIG FAT WARNING: races danger!
-   No protections exist here. Current users are only early init code,
-   when locking is not needed because no concurrency yet exists there,
-   and GPIO IRQ dispatcher, which does locking.
-   However, if many uses will ever happen, proper locking will be needed
-   - including locking between different uses
-*/
-
-#include <asm/mach-pnx833x/pnx833x.h>
-
-#define SET_REG_BIT(reg, bit)		do { (reg |= (1 << (bit))); } while (0)
-#define CLEAR_REG_BIT(reg, bit)		do { (reg &= ~(1 << (bit))); } while (0)
-
-/* Initialize GPIO to a known state */
-static inline void pnx833x_gpio_init(void)
-{
-	PNX833X_PIO_DIR = 0;
-	PNX833X_PIO_DIR2 = 0;
-	PNX833X_PIO_SEL = 0;
-	PNX833X_PIO_SEL2 = 0;
-	PNX833X_PIO_INT_EDGE = 0;
-	PNX833X_PIO_INT_HI = 0;
-	PNX833X_PIO_INT_LO = 0;
-
-	/* clear any GPIO interrupt requests */
-	PNX833X_PIO_INT_CLEAR = 0xffff;
-	PNX833X_PIO_INT_CLEAR = 0;
-	PNX833X_PIO_INT_ENABLE = 0;
-}
-
-/* Select GPIO direction for a pin */
-static inline void pnx833x_gpio_select_input(unsigned int pin)
-{
-	if (pin < 32)
-		CLEAR_REG_BIT(PNX833X_PIO_DIR, pin);
-	else
-		CLEAR_REG_BIT(PNX833X_PIO_DIR2, pin & 31);
-}
-static inline void pnx833x_gpio_select_output(unsigned int pin)
-{
-	if (pin < 32)
-		SET_REG_BIT(PNX833X_PIO_DIR, pin);
-	else
-		SET_REG_BIT(PNX833X_PIO_DIR2, pin & 31);
-}
-
-/* Select GPIO or alternate function for a pin */
-static inline void pnx833x_gpio_select_function_io(unsigned int pin)
-{
-	if (pin < 32)
-		CLEAR_REG_BIT(PNX833X_PIO_SEL, pin);
-	else
-		CLEAR_REG_BIT(PNX833X_PIO_SEL2, pin & 31);
-}
-static inline void pnx833x_gpio_select_function_alt(unsigned int pin)
-{
-	if (pin < 32)
-		SET_REG_BIT(PNX833X_PIO_SEL, pin);
-	else
-		SET_REG_BIT(PNX833X_PIO_SEL2, pin & 31);
-}
-
-/* Read GPIO pin */
-static inline int pnx833x_gpio_read(unsigned int pin)
-{
-	if (pin < 32)
-		return (PNX833X_PIO_IN >> pin) & 1;
-	else
-		return (PNX833X_PIO_IN2 >> (pin & 31)) & 1;
-}
-
-/* Write GPIO pin */
-static inline void pnx833x_gpio_write(unsigned int val, unsigned int pin)
-{
-	if (pin < 32) {
-		if (val)
-			SET_REG_BIT(PNX833X_PIO_OUT, pin);
-		else
-			CLEAR_REG_BIT(PNX833X_PIO_OUT, pin);
-	} else {
-		if (val)
-			SET_REG_BIT(PNX833X_PIO_OUT2, pin & 31);
-		else
-			CLEAR_REG_BIT(PNX833X_PIO_OUT2, pin & 31);
-	}
-}
-
-/* Configure GPIO interrupt */
-#define GPIO_INT_NONE		0
-#define GPIO_INT_LEVEL_LOW	1
-#define GPIO_INT_LEVEL_HIGH	2
-#define GPIO_INT_EDGE_RISING	3
-#define GPIO_INT_EDGE_FALLING	4
-#define GPIO_INT_EDGE_BOTH	5
-static inline void pnx833x_gpio_setup_irq(int when, unsigned int pin)
-{
-	switch (when) {
-	case GPIO_INT_LEVEL_LOW:
-		CLEAR_REG_BIT(PNX833X_PIO_INT_EDGE, pin);
-		CLEAR_REG_BIT(PNX833X_PIO_INT_HI, pin);
-		SET_REG_BIT(PNX833X_PIO_INT_LO, pin);
-		break;
-	case GPIO_INT_LEVEL_HIGH:
-		CLEAR_REG_BIT(PNX833X_PIO_INT_EDGE, pin);
-		SET_REG_BIT(PNX833X_PIO_INT_HI, pin);
-		CLEAR_REG_BIT(PNX833X_PIO_INT_LO, pin);
-		break;
-	case GPIO_INT_EDGE_RISING:
-		SET_REG_BIT(PNX833X_PIO_INT_EDGE, pin);
-		SET_REG_BIT(PNX833X_PIO_INT_HI, pin);
-		CLEAR_REG_BIT(PNX833X_PIO_INT_LO, pin);
-		break;
-	case GPIO_INT_EDGE_FALLING:
-		SET_REG_BIT(PNX833X_PIO_INT_EDGE, pin);
-		CLEAR_REG_BIT(PNX833X_PIO_INT_HI, pin);
-		SET_REG_BIT(PNX833X_PIO_INT_LO, pin);
-		break;
-	case GPIO_INT_EDGE_BOTH:
-		SET_REG_BIT(PNX833X_PIO_INT_EDGE, pin);
-		SET_REG_BIT(PNX833X_PIO_INT_HI, pin);
-		SET_REG_BIT(PNX833X_PIO_INT_LO, pin);
-		break;
-	default:
-		CLEAR_REG_BIT(PNX833X_PIO_INT_EDGE, pin);
-		CLEAR_REG_BIT(PNX833X_PIO_INT_HI, pin);
-		CLEAR_REG_BIT(PNX833X_PIO_INT_LO, pin);
-		break;
-	}
-}
-
-/* Enable/disable GPIO interrupt */
-static inline void pnx833x_gpio_enable_irq(unsigned int pin)
-{
-	SET_REG_BIT(PNX833X_PIO_INT_ENABLE, pin);
-}
-static inline void pnx833x_gpio_disable_irq(unsigned int pin)
-{
-	CLEAR_REG_BIT(PNX833X_PIO_INT_ENABLE, pin);
-}
-
-/* Clear GPIO interrupt request */
-static inline void pnx833x_gpio_clear_irq(unsigned int pin)
-{
-	SET_REG_BIT(PNX833X_PIO_INT_CLEAR, pin);
-	CLEAR_REG_BIT(PNX833X_PIO_INT_CLEAR, pin);
-}
-
-#endif

arch/mips/include/asm/mach-pnx833x/irq-mapping.h

-/* SPDX-License-Identifier: GPL-2.0-or-later */
-
-/*
- *  irq.h: IRQ mappings for PNX833X.
- *
- *  Copyright 2008 NXP Semiconductors
- *	  Chris Steel <chris.steel@nxp.com>
- *    Daniel Laird <daniel.j.laird@nxp.com>
- */
-
-#ifndef __ASM_MIPS_MACH_PNX833X_IRQ_MAPPING_H
-#define __ASM_MIPS_MACH_PNX833X_IRQ_MAPPING_H
-/*
- * The "IRQ numbers" are completely virtual.
- *
- * In PNX8330/1, we have 48 interrupt lines, numbered from 1 to 48.
- * Let's use numbers 1..48 for PIC interrupts, number 0 for timer interrupt,
- * numbers 49..64 for (virtual) GPIO interrupts.
- *
- * In PNX8335, we have 57 interrupt lines, numbered from 1 to 57,
- * connected to PIC, which uses core hardware interrupt 2, and also
- * a timer interrupt through hardware interrupt 5.
- * Let's use numbers 1..64 for PIC interrupts, number 0 for timer interrupt,
- * numbers 65..80 for (virtual) GPIO interrupts.
- *
- */
-#include <irq.h>
-
-#define PNX833X_TIMER_IRQ				(MIPS_CPU_IRQ_BASE + 7)
-
-/* Interrupts supported by PIC */
-#define PNX833X_PIC_I2C0_INT			(PNX833X_PIC_IRQ_BASE +	 1)
-#define PNX833X_PIC_I2C1_INT			(PNX833X_PIC_IRQ_BASE +	 2)
-#define PNX833X_PIC_UART0_INT			(PNX833X_PIC_IRQ_BASE +	 3)
-#define PNX833X_PIC_UART1_INT			(PNX833X_PIC_IRQ_BASE +	 4)
-#define PNX833X_PIC_TS_IN0_DV_INT		(PNX833X_PIC_IRQ_BASE +	 5)
-#define PNX833X_PIC_TS_IN0_DMA_INT		(PNX833X_PIC_IRQ_BASE +	 6)
-#define PNX833X_PIC_GPIO_INT			(PNX833X_PIC_IRQ_BASE +	 7)
-#define PNX833X_PIC_AUDIO_DEC_INT		(PNX833X_PIC_IRQ_BASE +	 8)
-#define PNX833X_PIC_VIDEO_DEC_INT		(PNX833X_PIC_IRQ_BASE +	 9)
-#define PNX833X_PIC_CONFIG_INT			(PNX833X_PIC_IRQ_BASE + 10)
-#define PNX833X_PIC_AOI_INT				(PNX833X_PIC_IRQ_BASE + 11)
-#define PNX833X_PIC_SYNC_INT			(PNX833X_PIC_IRQ_BASE + 12)
-#define PNX8330_PIC_SPU_INT				(PNX833X_PIC_IRQ_BASE + 13)
-#define PNX8335_PIC_SATA_INT			(PNX833X_PIC_IRQ_BASE + 13)
-#define PNX833X_PIC_OSD_INT				(PNX833X_PIC_IRQ_BASE + 14)
-#define PNX833X_PIC_DISP1_INT			(PNX833X_PIC_IRQ_BASE + 15)
-#define PNX833X_PIC_DEINTERLACER_INT	(PNX833X_PIC_IRQ_BASE + 16)
-#define PNX833X_PIC_DISPLAY2_INT		(PNX833X_PIC_IRQ_BASE + 17)
-#define PNX833X_PIC_VC_INT				(PNX833X_PIC_IRQ_BASE + 18)
-#define PNX833X_PIC_SC_INT				(PNX833X_PIC_IRQ_BASE + 19)
-#define PNX833X_PIC_IDE_INT				(PNX833X_PIC_IRQ_BASE + 20)
-#define PNX833X_PIC_IDE_DMA_INT			(PNX833X_PIC_IRQ_BASE + 21)
-#define PNX833X_PIC_TS_IN1_DV_INT		(PNX833X_PIC_IRQ_BASE + 22)
-#define PNX833X_PIC_TS_IN1_DMA_INT		(PNX833X_PIC_IRQ_BASE + 23)
-#define PNX833X_PIC_SGDX_DMA_INT		(PNX833X_PIC_IRQ_BASE + 24)
-#define PNX833X_PIC_TS_OUT_INT			(PNX833X_PIC_IRQ_BASE + 25)
-#define PNX833X_PIC_IR_INT				(PNX833X_PIC_IRQ_BASE + 26)
-#define PNX833X_PIC_VMSP1_INT			(PNX833X_PIC_IRQ_BASE + 27)
-#define PNX833X_PIC_VMSP2_INT			(PNX833X_PIC_IRQ_BASE + 28)
-#define PNX833X_PIC_PIBC_INT			(PNX833X_PIC_IRQ_BASE + 29)
-#define PNX833X_PIC_TS_IN0_TRD_INT		(PNX833X_PIC_IRQ_BASE + 30)
-#define PNX833X_PIC_SGDX_TPD_INT		(PNX833X_PIC_IRQ_BASE + 31)
-#define PNX833X_PIC_USB_INT				(PNX833X_PIC_IRQ_BASE + 32)
-#define PNX833X_PIC_TS_IN1_TRD_INT		(PNX833X_PIC_IRQ_BASE + 33)
-#define PNX833X_PIC_CLOCK_INT			(PNX833X_PIC_IRQ_BASE + 34)
-#define PNX833X_PIC_SGDX_PARSER_INT		(PNX833X_PIC_IRQ_BASE + 35)
-#define PNX833X_PIC_VMSP_DMA_INT		(PNX833X_PIC_IRQ_BASE + 36)
-
-#if defined(CONFIG_SOC_PNX8335)
-#define PNX8335_PIC_MIU_INT					(PNX833X_PIC_IRQ_BASE + 37)
-#define PNX8335_PIC_AVCHIP_IRQ_INT			(PNX833X_PIC_IRQ_BASE + 38)
-#define PNX8335_PIC_SYNC_HD_INT				(PNX833X_PIC_IRQ_BASE + 39)
-#define PNX8335_PIC_DISP_HD_INT				(PNX833X_PIC_IRQ_BASE + 40)
-#define PNX8335_PIC_DISP_SCALER_INT			(PNX833X_PIC_IRQ_BASE + 41)
-#define PNX8335_PIC_OSD_HD1_INT				(PNX833X_PIC_IRQ_BASE + 42)
-#define PNX8335_PIC_DTL_WRITER_Y_INT		(PNX833X_PIC_IRQ_BASE + 43)
-#define PNX8335_PIC_DTL_WRITER_C_INT		(PNX833X_PIC_IRQ_BASE + 44)
-#define PNX8335_PIC_DTL_EMULATOR_Y_IR_INT	(PNX833X_PIC_IRQ_BASE + 45)
-#define PNX8335_PIC_DTL_EMULATOR_C_IR_INT	(PNX833X_PIC_IRQ_BASE + 46)
-#define PNX8335_PIC_DENC_TTX_INT			(PNX833X_PIC_IRQ_BASE + 47)
-#define PNX8335_PIC_MMI_SIF0_INT			(PNX833X_PIC_IRQ_BASE + 48)
-#define PNX8335_PIC_MMI_SIF1_INT			(PNX833X_PIC_IRQ_BASE + 49)
-#define PNX8335_PIC_MMI_CDMMU_INT			(PNX833X_PIC_IRQ_BASE + 50)
-#define PNX8335_PIC_PIBCS_INT				(PNX833X_PIC_IRQ_BASE + 51)
-#define PNX8335_PIC_ETHERNET_INT			(PNX833X_PIC_IRQ_BASE + 52)
-#define PNX8335_PIC_VMSP1_0_INT				(PNX833X_PIC_IRQ_BASE + 53)
-#define PNX8335_PIC_VMSP1_1_INT				(PNX833X_PIC_IRQ_BASE + 54)
-#define PNX8335_PIC_VMSP1_DMA_INT			(PNX833X_PIC_IRQ_BASE + 55)
-#define PNX8335_PIC_TDGR_DE_INT				(PNX833X_PIC_IRQ_BASE + 56)
-#define PNX8335_PIC_IR1_IRQ_INT				(PNX833X_PIC_IRQ_BASE + 57)
-#endif
-
-/* GPIO interrupts */
-#define PNX833X_GPIO_0_INT			(PNX833X_GPIO_IRQ_BASE +  0)
-#define PNX833X_GPIO_1_INT			(PNX833X_GPIO_IRQ_BASE +  1)
-#define PNX833X_GPIO_2_INT			(PNX833X_GPIO_IRQ_BASE +  2)
-#define PNX833X_GPIO_3_INT			(PNX833X_GPIO_IRQ_BASE +  3)
-#define PNX833X_GPIO_4_INT			(PNX833X_GPIO_IRQ_BASE +  4)
-#define PNX833X_GPIO_5_INT			(PNX833X_GPIO_IRQ_BASE +  5)
-#define PNX833X_GPIO_6_INT			(PNX833X_GPIO_IRQ_BASE +  6)
-#define PNX833X_GPIO_7_INT			(PNX833X_GPIO_IRQ_BASE +  7)
-#define PNX833X_GPIO_8_INT			(PNX833X_GPIO_IRQ_BASE +  8)
-#define PNX833X_GPIO_9_INT			(PNX833X_GPIO_IRQ_BASE +  9)
-#define PNX833X_GPIO_10_INT			(PNX833X_GPIO_IRQ_BASE + 10)
-#define PNX833X_GPIO_11_INT			(PNX833X_GPIO_IRQ_BASE + 11)
-#define PNX833X_GPIO_12_INT			(PNX833X_GPIO_IRQ_BASE + 12)
-#define PNX833X_GPIO_13_INT			(PNX833X_GPIO_IRQ_BASE + 13)
-#define PNX833X_GPIO_14_INT			(PNX833X_GPIO_IRQ_BASE + 14)
-#define PNX833X_GPIO_15_INT			(PNX833X_GPIO_IRQ_BASE + 15)
-
-#endif

arch/mips/include/asm/mach-pnx833x/irq.h

-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- *  irq.h: IRQ mappings for PNX833X.
- *
- *  Copyright 2008 NXP Semiconductors
- *	  Chris Steel <chris.steel@nxp.com>
- *    Daniel Laird <daniel.j.laird@nxp.com>
- */
-
-#ifndef __ASM_MIPS_MACH_PNX833X_IRQ_H
-#define __ASM_MIPS_MACH_PNX833X_IRQ_H
-/*
- * The "IRQ numbers" are completely virtual.
- *
- * In PNX8330/1, we have 48 interrupt lines, numbered from 1 to 48.
- * Let's use numbers 1..48 for PIC interrupts, number 0 for timer interrupt,
- * numbers 49..64 for (virtual) GPIO interrupts.
- *
- * In PNX8335, we have 57 interrupt lines, numbered from 1 to 57,
- * connected to PIC, which uses core hardware interrupt 2, and also
- * a timer interrupt through hardware interrupt 5.
- * Let's use numbers 1..64 for PIC interrupts, number 0 for timer interrupt,
- * numbers 65..80 for (virtual) GPIO interrupts.
- *
- */
-#if defined(CONFIG_SOC_PNX8335)
-	#define PNX833X_PIC_NUM_IRQ			58
-#else
-	#define PNX833X_PIC_NUM_IRQ			37
-#endif
-
-#define MIPS_CPU_NUM_IRQ				8
-#define PNX833X_GPIO_NUM_IRQ			16
-
-#define MIPS_CPU_IRQ_BASE				0
-#define PNX833X_PIC_IRQ_BASE			(MIPS_CPU_IRQ_BASE + MIPS_CPU_NUM_IRQ)
-#define PNX833X_GPIO_IRQ_BASE			(PNX833X_PIC_IRQ_BASE + PNX833X_PIC_NUM_IRQ)
-#define NR_IRQS							(MIPS_CPU_NUM_IRQ + PNX833X_PIC_NUM_IRQ + PNX833X_GPIO_NUM_IRQ)
-
-#endif

arch/mips/include/asm/mach-pnx833x/pnx833x.h

-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- *  pnx833x.h: Register mappings for PNX833X.
- *
- *  Copyright 2008 NXP Semiconductors
- *	  Chris Steel <chris.steel@nxp.com>
- *    Daniel Laird <daniel.j.laird@nxp.com>
- */
-#ifndef __ASM_MIPS_MACH_PNX833X_PNX833X_H
-#define __ASM_MIPS_MACH_PNX833X_PNX833X_H
-
-/* All regs are accessed in KSEG1 */
-#define PNX833X_BASE		(0xa0000000ul + 0x17E00000ul)
-
-#define PNX833X_REG(offs)	(*((volatile unsigned long *)(PNX833X_BASE + offs)))
-
-/* Registers are named exactly as in PNX833X docs, just with PNX833X_ prefix */
-
-/* Read access to multibit fields */
-#define PNX833X_BIT(val, reg, field)	((val) & PNX833X_##reg##_##field)
-#define PNX833X_REGBIT(reg, field)	PNX833X_BIT(PNX833X_##reg, reg, field)
-
-/* Use PNX833X_FIELD to extract a field from val */
-#define PNX_FIELD(cpu, val, reg, field) \
-		(((val) & PNX##cpu##_##reg##_##field##_MASK) >> \
-			PNX##cpu##_##reg##_##field##_SHIFT)
-#define PNX833X_FIELD(val, reg, field)	PNX_FIELD(833X, val, reg, field)
-#define PNX8330_FIELD(val, reg, field)	PNX_FIELD(8330, val, reg, field)
-#define PNX8335_FIELD(val, reg, field)	PNX_FIELD(8335, val, reg, field)
-
-/* Use PNX833X_REGFIELD to extract a field from a register */
-#define PNX833X_REGFIELD(reg, field)	PNX833X_FIELD(PNX833X_##reg, reg, field)
-#define PNX8330_REGFIELD(reg, field)	PNX8330_FIELD(PNX8330_##reg, reg, field)
-#define PNX8335_REGFIELD(reg, field)	PNX8335_FIELD(PNX8335_##reg, reg, field)
-
-
-#define PNX_WRITEFIELD(cpu, val, reg, field) \
-	(PNX##cpu##_##reg = (PNX##cpu##_##reg & ~(PNX##cpu##_##reg##_##field##_MASK)) | \
-						((val) << PNX##cpu##_##reg##_##field##_SHIFT))
-#define PNX833X_WRITEFIELD(val, reg, field) \
-					PNX_WRITEFIELD(833X, val, reg, field)
-#define PNX8330_WRITEFIELD(val, reg, field) \
-					PNX_WRITEFIELD(8330, val, reg, field)
-#define PNX8335_WRITEFIELD(val, reg, field) \
-					PNX_WRITEFIELD(8335, val, reg, field)
-
-
-/* Macros to detect CPU type */
-
-#define PNX833X_CONFIG_MODULE_ID		PNX833X_REG(0x7FFC)
-#define PNX833X_CONFIG_MODULE_ID_MAJREV_MASK	0x0000f000
-#define PNX833X_CONFIG_MODULE_ID_MAJREV_SHIFT	12
-#define PNX8330_CONFIG_MODULE_MAJREV		4
-#define PNX8335_CONFIG_MODULE_MAJREV		5
-#define CPU_IS_PNX8330	(PNX833X_REGFIELD(CONFIG_MODULE_ID, MAJREV) == \
-					PNX8330_CONFIG_MODULE_MAJREV)
-#define CPU_IS_PNX8335	(PNX833X_REGFIELD(CONFIG_MODULE_ID, MAJREV) == \
-					PNX8335_CONFIG_MODULE_MAJREV)
-
-
-
-#define PNX833X_RESET_CONTROL		PNX833X_REG(0x8004)
-#define PNX833X_RESET_CONTROL_2		PNX833X_REG(0x8014)
-
-#define PNX833X_PIC_REG(offs)		PNX833X_REG(0x01000 + (offs))
-#define PNX833X_PIC_INT_PRIORITY	PNX833X_PIC_REG(0x0)
-#define PNX833X_PIC_INT_SRC		PNX833X_PIC_REG(0x4)
-#define PNX833X_PIC_INT_SRC_INT_SRC_MASK	0x00000FF8ul	/* bits 11:3 */
-#define PNX833X_PIC_INT_SRC_INT_SRC_SHIFT	3
-#define PNX833X_PIC_INT_REG(irq)	PNX833X_PIC_REG(0x10 + 4*(irq))
-
-#define PNX833X_CLOCK_CPUCP_CTL PNX833X_REG(0x9228)
-#define PNX833X_CLOCK_CPUCP_CTL_EXIT_RESET	0x00000002ul	/* bit 1 */
-#define PNX833X_CLOCK_CPUCP_CTL_DIV_CLOCK_MASK	0x00000018ul	/* bits 4:3 */
-#define PNX833X_CLOCK_CPUCP_CTL_DIV_CLOCK_SHIFT 3
-
-#define PNX8335_CLOCK_PLL_CPU_CTL		PNX833X_REG(0x9020)
-#define PNX8335_CLOCK_PLL_CPU_CTL_FREQ_MASK	0x1f
-#define PNX8335_CLOCK_PLL_CPU_CTL_FREQ_SHIFT	0
-
-#define PNX833X_CONFIG_MUX		PNX833X_REG(0x7004)
-#define PNX833X_CONFIG_MUX_IDE_MUX	0x00000080		/* bit 7 */
-
-#define PNX8330_CONFIG_POLYFUSE_7	PNX833X_REG(0x7040)
-#define PNX8330_CONFIG_POLYFUSE_7_BOOT_MODE_MASK	0x00180000
-#define PNX8330_CONFIG_POLYFUSE_7_BOOT_MODE_SHIFT	19
-
-#define PNX833X_PIO_IN		PNX833X_REG(0xF000)
-#define PNX833X_PIO_OUT		PNX833X_REG(0xF004)
-#define PNX833X_PIO_DIR		PNX833X_REG(0xF008)
-#define PNX833X_PIO_SEL		PNX833X_REG(0xF014)
-#define PNX833X_PIO_INT_EDGE	PNX833X_REG(0xF020)
-#define PNX833X_PIO_INT_HI	PNX833X_REG(0xF024)
-#define PNX833X_PIO_INT_LO	PNX833X_REG(0xF028)
-#define PNX833X_PIO_INT_STATUS	PNX833X_REG(0xFFE0)
-#define PNX833X_PIO_INT_ENABLE	PNX833X_REG(0xFFE4)
-#define PNX833X_PIO_INT_CLEAR	PNX833X_REG(0xFFE8)
-#define PNX833X_PIO_IN2		PNX833X_REG(0xF05C)
-#define PNX833X_PIO_OUT2	PNX833X_REG(0xF060)
-#define PNX833X_PIO_DIR2	PNX833X_REG(0xF064)
-#define PNX833X_PIO_SEL2	PNX833X_REG(0xF068)
-
-#define PNX833X_UART0_PORTS_START	(PNX833X_BASE + 0xB000)
-#define PNX833X_UART0_PORTS_END		(PNX833X_BASE + 0xBFFF)
-#define PNX833X_UART1_PORTS_START	(PNX833X_BASE + 0xC000)
-#define PNX833X_UART1_PORTS_END		(PNX833X_BASE + 0xCFFF)
-
-#define PNX833X_USB_PORTS_START		(PNX833X_BASE + 0x19000)
-#define PNX833X_USB_PORTS_END		(PNX833X_BASE + 0x19FFF)
-
-#define PNX833X_CONFIG_USB		PNX833X_REG(0x7008)
-
-#define PNX833X_I2C0_PORTS_START	(PNX833X_BASE + 0xD000)
-#define PNX833X_I2C0_PORTS_END		(PNX833X_BASE + 0xDFFF)
-#define PNX833X_I2C1_PORTS_START	(PNX833X_BASE + 0xE000)
-#define PNX833X_I2C1_PORTS_END		(PNX833X_BASE + 0xEFFF)
-
-#define PNX833X_IDE_PORTS_START		(PNX833X_BASE + 0x1A000)
-#define PNX833X_IDE_PORTS_END		(PNX833X_BASE + 0x1AFFF)
-#define PNX833X_IDE_MODULE_ID		PNX833X_REG(0x1AFFC)
-
-#define PNX833X_IDE_MODULE_ID_MODULE_ID_MASK	0xFFFF0000
-#define PNX833X_IDE_MODULE_ID_MODULE_ID_SHIFT	16
-#define PNX833X_IDE_MODULE_ID_VALUE		0xA009
-
-
-#define PNX833X_MIU_SEL0			PNX833X_REG(0x2004)
-#define PNX833X_MIU_SEL0_TIMING		PNX833X_REG(0x2008)
-#define PNX833X_MIU_SEL1			PNX833X_REG(0x200C)
-#define PNX833X_MIU_SEL1_TIMING		PNX833X_REG(0x2010)
-#define PNX833X_MIU_SEL2			PNX833X_REG(0x2014)
-#define PNX833X_MIU_SEL2_TIMING		PNX833X_REG(0x2018)
-#define PNX833X_MIU_SEL3			PNX833X_REG(0x201C)
-#define PNX833X_MIU_SEL3_TIMING		PNX833X_REG(0x2020)
-
-#define PNX833X_MIU_SEL0_SPI_MODE_ENABLE_MASK	(1 << 14)
-#define PNX833X_MIU_SEL0_SPI_MODE_ENABLE_SHIFT	14
-
-#define PNX833X_MIU_SEL0_BURST_MODE_ENABLE_MASK (1 << 7)
-#define PNX833X_MIU_SEL0_BURST_MODE_ENABLE_SHIFT	7
-
-#define PNX833X_MIU_SEL0_BURST_PAGE_LEN_MASK	(0xF << 9)
-#define PNX833X_MIU_SEL0_BURST_PAGE_LEN_SHIFT	9
-
-#define PNX833X_MIU_CONFIG_SPI		PNX833X_REG(0x2000)
-
-#define PNX833X_MIU_CONFIG_SPI_OPCODE_MASK	(0xFF << 3)
-#define PNX833X_MIU_CONFIG_SPI_OPCODE_SHIFT	3
-
-#define PNX833X_MIU_CONFIG_SPI_DATA_ENABLE_MASK (1 << 2)
-#define PNX833X_MIU_CONFIG_SPI_DATA_ENABLE_SHIFT	2
-
-#define PNX833X_MIU_CONFIG_SPI_ADDR_ENABLE_MASK (1 << 1)
-#define PNX833X_MIU_CONFIG_SPI_ADDR_ENABLE_SHIFT	1
-
-#define PNX833X_MIU_CONFIG_SPI_SYNC_MASK	(1 << 0)
-#define PNX833X_MIU_CONFIG_SPI_SYNC_SHIFT	0
-
-#define PNX833X_WRITE_CONFIG_SPI(opcode, data_enable, addr_enable, sync) \
-   (PNX833X_MIU_CONFIG_SPI =						\
-    ((opcode) << PNX833X_MIU_CONFIG_SPI_OPCODE_SHIFT) |			\
-    ((data_enable) << PNX833X_MIU_CONFIG_SPI_DATA_ENABLE_SHIFT) |	\
-    ((addr_enable) << PNX833X_MIU_CONFIG_SPI_ADDR_ENABLE_SHIFT) |	\
-    ((sync) << PNX833X_MIU_CONFIG_SPI_SYNC_SHIFT))
-
-#define PNX8335_IP3902_PORTS_START		(PNX833X_BASE + 0x2F000)
-#define PNX8335_IP3902_PORTS_END		(PNX833X_BASE + 0x2FFFF)
-#define PNX8335_IP3902_MODULE_ID		PNX833X_REG(0x2FFFC)
-
-#define PNX8335_IP3902_MODULE_ID_MODULE_ID_MASK		0xFFFF0000
-#define PNX8335_IP3902_MODULE_ID_MODULE_ID_SHIFT	16
-#define PNX8335_IP3902_MODULE_ID_VALUE			0x3902
-
- /* I/O location(gets remapped)*/
-#define PNX8335_NAND_BASE	    0x18000000
-/* I/O location with CLE high */
-#define PNX8335_NAND_CLE_MASK	0x00100000
-/* I/O location with ALE high */
-#define PNX8335_NAND_ALE_MASK	0x00010000
-
-#define PNX8335_SATA_PORTS_START	(PNX833X_BASE + 0x2E000)
-#define PNX8335_SATA_PORTS_END		(PNX833X_BASE + 0x2EFFF)
-#define PNX8335_SATA_MODULE_ID		PNX833X_REG(0x2EFFC)
-
-#define PNX8335_SATA_MODULE_ID_MODULE_ID_MASK	0xFFFF0000
-#define PNX8335_SATA_MODULE_ID_MODULE_ID_SHIFT	16
-#define PNX8335_SATA_MODULE_ID_VALUE		0xA099
-
-#endif

arch/mips/include/asm/mach-rc32434/war.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MIPS_MACH_MIPS_WAR_H
-#define __ASM_MIPS_MACH_MIPS_WAR_H
-
-#define R4600_V1_INDEX_ICACHEOP_WAR	0
-#define R4600_V1_HIT_CACHEOP_WAR	0
-#define R4600_V2_HIT_CACHEOP_WAR	0
-#define BCM1250_M3_WAR			0
-#define SIBYTE_1956_WAR			0
-#define MIPS4K_ICACHE_REFILL_WAR	1
-#define MIPS_CACHE_SYNC_WAR		0
-#define TX49XX_ICACHE_INDEX_INV_WAR	0
-#define ICACHE_REFILLS_WORKAROUND_WAR	0
-#define R10000_LLSC_WAR			0
-#define MIPS34K_MISSED_ITLB_WAR		0
-
-#endif /* __ASM_MIPS_MACH_MIPS_WAR_H */

arch/mips/include/asm/mach-rm/war.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MIPS_MACH_RM_WAR_H
-#define __ASM_MIPS_MACH_RM_WAR_H
-
-/*
- * The RM200C seems to have been shipped only with V2.0 R4600s
- */
-
-#define R4600_V1_INDEX_ICACHEOP_WAR	0
-#define R4600_V1_HIT_CACHEOP_WAR	0
-#define R4600_V2_HIT_CACHEOP_WAR	1
-#define BCM1250_M3_WAR			0
-#define SIBYTE_1956_WAR			0
-#define MIPS4K_ICACHE_REFILL_WAR	0
-#define MIPS_CACHE_SYNC_WAR		0
-#define TX49XX_ICACHE_INDEX_INV_WAR	0
-#define ICACHE_REFILLS_WORKAROUND_WAR	0
-#define R10000_LLSC_WAR			0
-#define MIPS34K_MISSED_ITLB_WAR		0
-
-#endif /* __ASM_MIPS_MACH_RM_WAR_H */

arch/mips/include/asm/mach-sibyte/war.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MIPS_MACH_SIBYTE_WAR_H
-#define __ASM_MIPS_MACH_SIBYTE_WAR_H
-
-#define R4600_V1_INDEX_ICACHEOP_WAR	0
-#define R4600_V1_HIT_CACHEOP_WAR	0
-#define R4600_V2_HIT_CACHEOP_WAR	0
-
-#if defined(CONFIG_SB1_PASS_2_WORKAROUNDS)
-
-#ifndef __ASSEMBLY__
-extern int sb1250_m3_workaround_needed(void);
-#endif
-
-#define BCM1250_M3_WAR	sb1250_m3_workaround_needed()
-#define SIBYTE_1956_WAR 1
-
-#else
-
-#define BCM1250_M3_WAR	0
-#define SIBYTE_1956_WAR 0
-
-#endif
-
-#define MIPS4K_ICACHE_REFILL_WAR	0
-#define MIPS_CACHE_SYNC_WAR		0
-#define TX49XX_ICACHE_INDEX_INV_WAR	0
-#define ICACHE_REFILLS_WORKAROUND_WAR	0
-#define R10000_LLSC_WAR			0
-#define MIPS34K_MISSED_ITLB_WAR		0
-
-#endif /* __ASM_MIPS_MACH_SIBYTE_WAR_H */

arch/mips/include/asm/mach-tx49xx/war.h

-/*
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * Copyright (C) 2002, 2004, 2007 by Ralf Baechle <ralf@linux-mips.org>
- */
-#ifndef __ASM_MIPS_MACH_TX49XX_WAR_H
-#define __ASM_MIPS_MACH_TX49XX_WAR_H
-
-#define R4600_V1_INDEX_ICACHEOP_WAR	0
-#define R4600_V1_HIT_CACHEOP_WAR	0
-#define R4600_V2_HIT_CACHEOP_WAR	0
-#define BCM1250_M3_WAR			0
-#define SIBYTE_1956_WAR			0
-#define MIPS4K_ICACHE_REFILL_WAR	0
-#define MIPS_CACHE_SYNC_WAR		0
-#define TX49XX_ICACHE_INDEX_INV_WAR	1
-#define ICACHE_REFILLS_WORKAROUND_WAR	0
-#define R10000_LLSC_WAR			0
-#define MIPS34K_MISSED_ITLB_WAR		0
-
-#endif /* __ASM_MIPS_MACH_TX49XX_WAR_H */

arch/mips/include/asm/mips-boards/malta.h

@@ -92,4 +92,6 @@ static inline unsigned long get_msc_port_base(unsigned long reg)
 
 #define MALTA_JMPRS_REG		0x1f000210
 
+extern void __init *malta_dt_shim(void *fdt);
+
 #endif /* __ASM_MIPS_BOARDS_MALTA_H */

arch/mips/include/asm/mipsregs.h

@@ -389,6 +389,13 @@
 #define ST0_CU3			0x80000000
 #define ST0_XX			0x80000000	/* MIPS IV naming */
 
+/* in-kernel enabled CUs */
+#ifdef CONFIG_CPU_LOONGSON64
+#define ST0_KERNEL_CUMASK      (ST0_CU0 | ST0_CU2)
+#else
+#define ST0_KERNEL_CUMASK      ST0_CU0
+#endif
+
 /*
  * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
  */
@@ -1706,12 +1713,6 @@ do {									\
 #define read_c0_count()		__read_32bit_c0_register($9, 0)
 #define write_c0_count(val)	__write_32bit_c0_register($9, 0, val)
 
-#define read_c0_count2()	__read_32bit_c0_register($9, 6) /* pnx8550 */
-#define write_c0_count2(val)	__write_32bit_c0_register($9, 6, val)
-
-#define read_c0_count3()	__read_32bit_c0_register($9, 7) /* pnx8550 */
-#define write_c0_count3(val)	__write_32bit_c0_register($9, 7, val)
-
 #define read_c0_entryhi()	__read_ulong_c0_register($10, 0)
 #define write_c0_entryhi(val)	__write_ulong_c0_register($10, 0, val)
 
@@ -1730,12 +1731,6 @@ do {									\
 #define read_c0_guestctl0ext()	__read_32bit_c0_register($11, 4)
 #define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val)
 
-#define read_c0_compare2()	__read_32bit_c0_register($11, 6) /* pnx8550 */
-#define write_c0_compare2(val)	__write_32bit_c0_register($11, 6, val)
-
-#define read_c0_compare3()	__read_32bit_c0_register($11, 7) /* pnx8550 */
-#define write_c0_compare3(val)	__write_32bit_c0_register($11, 7, val)
-
 #define read_c0_status()	__read_32bit_c0_register($12, 0)
 
 #define write_c0_status(val)	__write_32bit_c0_register($12, 0, val)
@@ -2728,7 +2723,7 @@ static inline void tlb_probe(void)
 
 static inline void tlb_read(void)
 {
-#if MIPS34K_MISSED_ITLB_WAR
+#ifdef CONFIG_WAR_MIPS34K_MISSED_ITLB
 	int res = 0;
 
 	__asm__ __volatile__(
@@ -2750,7 +2745,7 @@ static inline void tlb_read(void)
 		"tlbr\n\t"
 		".set reorder");
 
-#if MIPS34K_MISSED_ITLB_WAR
+#ifdef CONFIG_WAR_MIPS34K_MISSED_ITLB
 	if ((res & _ULCAST_(1)))
 		__asm__ __volatile__(
 		"	.set	push				\n"

arch/mips/include/asm/netlogic/psb-bootinfo.h

@@ -77,21 +77,6 @@ struct psb_info {
 	uint64_t avail_mem_map;
 };
 
-enum {
-	NETLOGIC_IO_SPACE = 0x10,
-	PCIX_IO_SPACE,
-	PCIX_CFG_SPACE,
-	PCIX_MEMORY_SPACE,
-	HT_IO_SPACE,
-	HT_CFG_SPACE,
-	HT_MEMORY_SPACE,
-	SRAM_SPACE,
-	FLASH_CONTROLLER_SPACE
-};
-
-#define NLM_MAX_ARGS	64
-#define NLM_MAX_ENVS	32
-
 /* This is what netlboot passes and linux boot_mem_map is subtly different */
 #define NLM_BOOT_MEM_MAP_MAX	32
 struct nlm_boot_mem_map {
@@ -102,6 +87,7 @@ struct nlm_boot_mem_map {
 		uint32_t type;		/* type of memory segment */
 	} map[NLM_BOOT_MEM_MAP_MAX];
 };
+#define NLM_BOOT_MEM_RAM	1
 
 /* Pointer to saved boot loader info */
 extern struct psb_info nlm_prom_info;

arch/mips/include/asm/octeon/cvmx-bootinfo.h

@@ -295,6 +295,8 @@ enum cvmx_board_types_enum {
 	 */
 	CVMX_BOARD_TYPE_CUST_PRIVATE_MIN = 20001,
 	CVMX_BOARD_TYPE_UBNT_E100 = 20002,
+	CVMX_BOARD_TYPE_UBNT_E200 = 20003,
+	CVMX_BOARD_TYPE_UBNT_E220 = 20005,
 	CVMX_BOARD_TYPE_CUST_DSR1000N = 20006,
 	CVMX_BOARD_TYPE_KONTRON_S1901 = 21901,
 	CVMX_BOARD_TYPE_CUST_PRIVATE_MAX = 30000,
@@ -396,6 +398,8 @@ static inline const char *cvmx_board_type_to_string(enum
 		    /* Customer private range */
 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN)
 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E100)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E200)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E220)
 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_DSR1000N)
 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_KONTRON_S1901)
 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX)

arch/mips/include/asm/pgtable-bits.h

@@ -249,11 +249,6 @@ static inline uint64_t pte_to_entrylo(unsigned long pte_val)
 
 #define _CACHE_CACHABLE_NONCOHERENT (5<<_CACHE_SHIFT)
 
-#elif defined(CONFIG_MACH_INGENIC)
-
-/* Ingenic uses the WA bit to achieve write-combine memory writes */
-#define _CACHE_UNCACHED_ACCELERATED (1<<_CACHE_SHIFT)
-
 #endif
 
 #ifndef _CACHE_CACHABLE_NO_WA

arch/mips/include/asm/pgtable.h

@@ -37,8 +37,6 @@ struct vm_area_struct;
 				 _PAGE_GLOBAL | _page_cachable_default)
 #define PAGE_KERNEL_NC	__pgprot(_PAGE_PRESENT | __READABLE | __WRITEABLE | \
 				 _PAGE_GLOBAL | _CACHE_CACHABLE_NONCOHERENT)
-#define PAGE_USERIO	__pgprot(_PAGE_PRESENT | _PAGE_WRITE | \
-				 _page_cachable_default)
 #define PAGE_KERNEL_UNCACHED __pgprot(_PAGE_PRESENT | __READABLE | \
 			__WRITEABLE | _PAGE_GLOBAL | _CACHE_UNCACHED)
 

arch/mips/include/asm/processor.h

@@ -29,6 +29,7 @@
  */
 
 extern unsigned int vced_count, vcei_count;
+extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src);
 
 #ifdef CONFIG_32BIT
 #ifdef CONFIG_KVM_GUEST

arch/mips/include/asm/r4k-timer.h

@@ -5,8 +5,8 @@
  *
  * Copyright (C) 2008 by Ralf Baechle (ralf@linux-mips.org)
  */
-#ifndef __ASM_R4K_TYPES_H
-#define __ASM_R4K_TYPES_H
+#ifndef __ASM_R4K_TIMER_H
+#define __ASM_R4K_TIMER_H
 
 #include <linux/compiler.h>
 
@@ -27,4 +27,4 @@ static inline void synchronise_count_slave(int cpu)
 
 #endif
 
-#endif /* __ASM_R4K_TYPES_H */
+#endif /* __ASM_R4K_TIMER_H */

arch/mips/include/asm/sgi/heart.h

@@ -264,6 +264,57 @@ struct ip30_heart_regs {		/* 0x0ff00000 */
 #define HC_NCOR_MEM_ERR			BIT(1)
 #define HC_COR_MEM_ERR			BIT(0)
 
+/*
+ * HEART has 64 interrupt vectors available to it, subdivided into five
+ * priority levels.  They are numbered 0 to 63.
+ */
+#define HEART_NUM_IRQS			64
+
+/*
+ * These are the five interrupt priority levels and their corresponding
+ * CPU IPx interrupt pins.
+ *
+ * Level 4 - Error Interrupts.
+ * Level 3 - HEART timer interrupt.
+ * Level 2 - CPU IPI, CPU debug, power putton, general device interrupts.
+ * Level 1 - General device interrupts.
+ * Level 0 - General device GFX flow control interrupts.
+ */
+#define HEART_L4_INT_MASK		0xfff8000000000000ULL	/* IP6 */
+#define HEART_L3_INT_MASK		0x0004000000000000ULL	/* IP5 */
+#define HEART_L2_INT_MASK		0x0003ffff00000000ULL	/* IP4 */
+#define HEART_L1_INT_MASK		0x00000000ffff0000ULL	/* IP3 */
+#define HEART_L0_INT_MASK		0x000000000000ffffULL	/* IP2 */
+
+/* HEART L0 Interrupts (Low Priority) */
+#define HEART_L0_INT_GENERIC		 0
+#define HEART_L0_INT_FLOW_CTRL_HWTR_0	 1
+#define HEART_L0_INT_FLOW_CTRL_HWTR_1	 2
+
+/* HEART L2 Interrupts (High Priority) */
+#define HEART_L2_INT_RESCHED_CPU_0	46
+#define HEART_L2_INT_RESCHED_CPU_1	47
+#define HEART_L2_INT_CALL_CPU_0		48
+#define HEART_L2_INT_CALL_CPU_1		49
+
+/* HEART L3 Interrupts (Compare/Counter Timer) */
+#define HEART_L3_INT_TIMER		50
+
+/* HEART L4 Interrupts (Errors) */
+#define HEART_L4_INT_XWID_ERR_9		51
+#define HEART_L4_INT_XWID_ERR_A		52
+#define HEART_L4_INT_XWID_ERR_B		53
+#define HEART_L4_INT_XWID_ERR_C		54
+#define HEART_L4_INT_XWID_ERR_D		55
+#define HEART_L4_INT_XWID_ERR_E		56
+#define HEART_L4_INT_XWID_ERR_F		57
+#define HEART_L4_INT_XWID_ERR_XBOW	58
+#define HEART_L4_INT_CPU_BUS_ERR_0	59
+#define HEART_L4_INT_CPU_BUS_ERR_1	60
+#define HEART_L4_INT_CPU_BUS_ERR_2	61
+#define HEART_L4_INT_CPU_BUS_ERR_3	62
+#define HEART_L4_INT_HEART_EXCP		63
+
 extern struct ip30_heart_regs __iomem *heart_regs;
 
 #define heart_read	____raw_readq

arch/mips/include/asm/stackframe.h

@@ -450,7 +450,7 @@
  */
 		.macro	CLI
 		mfc0	t0, CP0_STATUS
-		li	t1, ST0_CU0 | STATMASK
+		li	t1, ST0_KERNEL_CUMASK | STATMASK
 		or	t0, t1
 		xori	t0, STATMASK
 		mtc0	t0, CP0_STATUS
@@ -463,7 +463,7 @@
  */
 		.macro	STI
 		mfc0	t0, CP0_STATUS
-		li	t1, ST0_CU0 | STATMASK
+		li	t1, ST0_KERNEL_CUMASK | STATMASK
 		or	t0, t1
 		xori	t0, STATMASK & ~1
 		mtc0	t0, CP0_STATUS
@@ -477,7 +477,7 @@
  */
 		.macro	KMODE
 		mfc0	t0, CP0_STATUS
-		li	t1, ST0_CU0 | (STATMASK & ~1)
+		li	t1, ST0_KERNEL_CUMASK | (STATMASK & ~1)
 #if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
 		andi	t2, t0, ST0_IEP
 		srl	t2, 2