diff options
Diffstat (limited to 'arch/arm')
116 files changed, 719 insertions, 1631 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index fda6a46d27cf..0d4e71b42c77 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -2,6 +2,7 @@ config ARM bool default y select ARCH_CLOCKSOURCE_DATA + select ARCH_HAS_DEBUG_VIRTUAL select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_SET_MEMORY diff --git a/arch/arm/Kconfig-nommu b/arch/arm/Kconfig-nommu index aed66d5df7f1..b7576349528c 100644 --- a/arch/arm/Kconfig-nommu +++ b/arch/arm/Kconfig-nommu @@ -34,8 +34,7 @@ config PROCESSOR_ID used instead of the auto-probing which utilizes the register. config REMAP_VECTORS_TO_RAM - bool 'Install vectors to the beginning of RAM' if DRAM_BASE - depends on DRAM_BASE + bool 'Install vectors to the beginning of RAM' help The kernel needs to change the hardware exception vectors. In nommu mode, the hardware exception vectors are normally diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c index a0765e7ed6c7..ea7832702a8f 100644 --- a/arch/arm/boot/compressed/decompress.c +++ b/arch/arm/boot/compressed/decompress.c @@ -32,6 +32,7 @@ extern void error(char *); /* Not needed, but used in some headers pulled in by decompressors */ extern char * strstr(const char * s1, const char *s2); +extern size_t strlen(const char *s); #ifdef CONFIG_KERNEL_GZIP #include "../../../../lib/decompress_inflate.c" diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index fc6d541549a2..9150f9732785 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -1196,7 +1196,7 @@ skip: bgt loop1 finished: ldmfd sp!, {r0-r7, r9-r11} - mov r10, #0 @ swith back to cache level 0 + mov r10, #0 @ switch back to cache level 0 mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr iflush: mcr p15, 0, r10, c7, c10, 4 @ DSB diff --git a/arch/arm/boot/dts/sun5i-a10s.dtsi b/arch/arm/boot/dts/sun5i-a10s.dtsi index 62b3ffe62df2..24b0f5f556f8 100644 --- a/arch/arm/boot/dts/sun5i-a10s.dtsi +++ b/arch/arm/boot/dts/sun5i-a10s.dtsi @@ -65,8 +65,9 @@ compatible = "allwinner,simple-framebuffer", "simple-framebuffer"; allwinner,pipeline = "de_be0-lcd0-hdmi"; - clocks = <&pll3>, <&pll5 1>, <&ahb_gates 36>, - <&ahb_gates 43>, <&ahb_gates 44>; + clocks = <&ccu CLK_AHB_LCD>, <&ccu CLK_AHB_HDMI>, + <&ccu CLK_AHB_DE_BE>, <&ccu CLK_DRAM_DE_BE>, + <&ccu CLK_DE_BE>, <&ccu CLK_HDMI>; status = "disabled"; }; @@ -74,8 +75,8 @@ compatible = "allwinner,simple-framebuffer", "simple-framebuffer"; allwinner,pipeline = "de_be0-lcd0"; - clocks = <&pll3>, <&pll5 1>, <&ahb_gates 36>, - <&ahb_gates 44>; + clocks = <&ccu CLK_AHB_LCD>, <&ccu CLK_AHB_DE_BE>, <&ccu CLK_DE_BE>, + <&ccu CLK_TCON_CH0>, <&ccu CLK_DRAM_DE_BE>; status = "disabled"; }; @@ -83,77 +84,19 @@ compatible = "allwinner,simple-framebuffer", "simple-framebuffer"; allwinner,pipeline = "de_be0-lcd0-tve0"; - clocks = <&pll3>, <&pll5 1>, <&ahb_gates 34>, - <&ahb_gates 36>, <&ahb_gates 44>; + clocks = <&ccu CLK_AHB_TVE>, <&ccu CLK_AHB_LCD>, + <&ccu CLK_AHB_DE_BE>, <&ccu CLK_DE_BE>, + <&ccu CLK_TCON_CH1>, <&ccu CLK_DRAM_DE_BE>; status = "disabled"; }; }; - clocks { - ahb_gates: clk@01c20060 { - #clock-cells = <1>; - compatible = "allwinner,sun5i-a10s-ahb-gates-clk"; - reg = <0x01c20060 0x8>; - clocks = <&ahb>; - clock-indices = <0>, <1>, - <2>, <5>, <6>, - <7>, <8>, <9>, - <10>, <13>, - <14>, <17>, <18>, - <20>, <21>, <22>, - <26>, <28>, <32>, - <34>, <36>, <40>, - <43>, <44>, - <46>, <51>, - <52>; - clock-output-names = "ahb_usbotg", "ahb_ehci", - "ahb_ohci", "ahb_ss", "ahb_dma", - "ahb_bist", "ahb_mmc0", "ahb_mmc1", - "ahb_mmc2", "ahb_nand", - "ahb_sdram", "ahb_emac", "ahb_ts", - "ahb_spi0", "ahb_spi1", "ahb_spi2", - "ahb_gps", "ahb_stimer", "ahb_ve", - "ahb_tve", "ahb_lcd", "ahb_csi", - "ahb_hdmi", "ahb_de_be", - "ahb_de_fe", "ahb_iep", - "ahb_mali400"; - }; - - apb0_gates: clk@01c20068 { - #clock-cells = <1>; - compatible = "allwinner,sun5i-a10s-apb0-gates-clk"; - reg = <0x01c20068 0x4>; - clocks = <&apb0>; - clock-indices = <0>, <3>, - <5>, <6>, - <10>; - clock-output-names = "apb0_codec", "apb0_iis", - "apb0_pio", "apb0_ir", - "apb0_keypad"; - }; - - apb1_gates: clk@01c2006c { - #clock-cells = <1>; - compatible = "allwinner,sun5i-a10s-apb1-gates-clk"; - reg = <0x01c2006c 0x4>; - clocks = <&apb1>; - clock-indices = <0>, <1>, - <2>, <16>, - <17>, <18>, - <19>; - clock-output-names = "apb1_i2c0", "apb1_i2c1", - "apb1_i2c2", "apb1_uart0", - "apb1_uart1", "apb1_uart2", - "apb1_uart3"; - }; - }; - soc@01c00000 { emac: ethernet@01c0b000 { compatible = "allwinner,sun4i-a10-emac"; reg = <0x01c0b000 0x1000>; interrupts = <55>; - clocks = <&ahb_gates 17>; + clocks = <&ccu CLK_AHB_EMAC>; allwinner,sram = <&emac_sram 1>; status = "disabled"; }; @@ -169,7 +112,7 @@ pwm: pwm@01c20e00 { compatible = "allwinner,sun5i-a10s-pwm"; reg = <0x01c20e00 0xc>; - clocks = <&osc24M>; + clocks = <&ccu CLK_HOSC>; #pwm-cells = <3>; status = "disabled"; }; @@ -180,7 +123,7 @@ interrupts = <1>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 16>; + clocks = <&ccu CLK_APB1_UART0>; status = "disabled"; }; @@ -190,12 +133,16 @@ interrupts = <3>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 18>; + clocks = <&ccu CLK_APB1_UART2>; status = "disabled"; }; }; }; +&ccu { + compatible = "allwinner,sun5i-a10s-ccu"; +}; + &pio { compatible = "allwinner,sun5i-a10s-pinctrl"; diff --git a/arch/arm/boot/dts/sun5i-a13.dtsi b/arch/arm/boot/dts/sun5i-a13.dtsi index 4131ab44558b..fb2ddb9a04c9 100644 --- a/arch/arm/boot/dts/sun5i-a13.dtsi +++ b/arch/arm/boot/dts/sun5i-a13.dtsi @@ -61,8 +61,8 @@ compatible = "allwinner,simple-framebuffer", "simple-framebuffer"; allwinner,pipeline = "de_be0-lcd0"; - clocks = <&ahb_gates 36>, <&ahb_gates 44>, <&de_be_clk>, - <&tcon_ch0_clk>, <&dram_gates 26>; + clocks = <&ccu CLK_AHB_LCD>, <&ccu CLK_AHB_DE_BE>, <&ccu CLK_DE_BE>, + <&ccu CLK_TCON_CH0>, <&ccu CLK_DRAM_DE_BE>; status = "disabled"; }; }; @@ -99,114 +99,6 @@ }; }; - clocks { - ahb_gates: clk@01c20060 { - #clock-cells = <1>; - compatible = "allwinner,sun5i-a13-ahb-gates-clk"; - reg = <0x01c20060 0x8>; - clocks = <&ahb>; - clock-indices = <0>, <1>, - <2>, <5>, <6>, - <7>, <8>, <9>, - <10>, <13>, - <14>, <20>, - <21>, <22>, - <28>, <32>, <34>, - <36>, <40>, <44>, - <46>, <51>, - <52>; - clock-output-names = "ahb_usbotg", "ahb_ehci", - "ahb_ohci", "ahb_ss", "ahb_dma", - "ahb_bist", "ahb_mmc0", "ahb_mmc1", - "ahb_mmc2", "ahb_nand", - "ahb_sdram", "ahb_spi0", - "ahb_spi1", "ahb_spi2", - "ahb_stimer", "ahb_ve", "ahb_tve", - "ahb_lcd", "ahb_csi", "ahb_de_be", - "ahb_de_fe", "ahb_iep", - "ahb_mali400"; - }; - - apb0_gates: clk@01c20068 { - #clock-cells = <1>; - compatible = "allwinner,sun5i-a13-apb0-gates-clk"; - reg = <0x01c20068 0x4>; - clocks = <&apb0>; - clock-indices = <0>, <5>, - <6>; - clock-output-names = "apb0_codec", "apb0_pio", - "apb0_ir"; - }; - - apb1_gates: clk@01c2006c { - #clock-cells = <1>; - compatible = "allwinner,sun5i-a13-apb1-gates-clk"; - reg = <0x01c2006c 0x4>; - clocks = <&apb1>; - clock-indices = <0>, <1>, - <2>, <17>, - <19>; - clock-output-names = "apb1_i2c0", "apb1_i2c1", - "apb1_i2c2", "apb1_uart1", - "apb1_uart3"; - }; - - dram_gates: clk@01c20100 { - #clock-cells = <1>; - compatible = "allwinner,sun5i-a13-dram-gates-clk", - "allwinner,sun4i-a10-gates-clk"; - reg = <0x01c20100 0x4>; - clocks = <&pll5 0>; - clock-indices = <0>, - <1>, - <25>, - <26>, - <29>, - <31>; - clock-output-names = "dram_ve", - "dram_csi", - "dram_de_fe", - "dram_de_be", - "dram_ace", - "dram_iep"; - }; - - de_be_clk: clk@01c20104 { - #clock-cells = <0>; - #reset-cells = <0>; - compatible = "allwinner,sun4i-a10-display-clk"; - reg = <0x01c20104 0x4>; - clocks = <&pll3>, <&pll7>, <&pll5 1>; - clock-output-names = "de-be"; - }; - - de_fe_clk: clk@01c2010c { - #clock-cells = <0>; - #reset-cells = <0>; - compatible = "allwinner,sun4i-a10-display-clk"; - reg = <0x01c2010c 0x4>; - clocks = <&pll3>, <&pll7>, <&pll5 1>; - clock-output-names = "de-fe"; - }; - - tcon_ch0_clk: clk@01c20118 { - #clock-cells = <0>; - #reset-cells = <1>; - compatible = "allwinner,sun4i-a10-tcon-ch0-clk"; - reg = <0x01c20118 0x4>; - clocks = <&pll3>, <&pll7>, <&pll3x2>, <&pll7x2>; - clock-output-names = "tcon-ch0-sclk"; - }; - - tcon_ch1_clk: clk@01c2012c { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-tcon-ch1-clk"; - reg = <0x01c2012c 0x4>; - clocks = <&pll3>, <&pll7>, <&pll3x2>, <&pll7x2>; - clock-output-names = "tcon-ch1-sclk"; - }; - }; - display-engine { compatible = "allwinner,sun5i-a13-display-engine"; allwinner,pipelines = <&fe0>; @@ -217,11 +109,11 @@ compatible = "allwinner,sun5i-a13-tcon"; reg = <0x01c0c000 0x1000>; interrupts = <44>; - resets = <&tcon_ch0_clk 1>; + resets = <&ccu RST_LCD>; reset-names = "lcd"; - clocks = <&ahb_gates 36>, - <&tcon_ch0_clk>, - <&tcon_ch1_clk>; + clocks = <&ccu CLK_AHB_LCD>, + <&ccu CLK_TCON_CH0>, + <&ccu CLK_TCON_CH1>; clock-names = "ahb", "tcon-ch0", "tcon-ch1"; @@ -254,7 +146,7 @@ pwm: pwm@01c20e00 { compatible = "allwinner,sun5i-a13-pwm"; reg = <0x01c20e00 0xc>; - clocks = <&osc24M>; + clocks = <&ccu CLK_HOSC>; #pwm-cells = <3>; status = "disabled"; }; @@ -263,11 +155,11 @@ compatible = "allwinner,sun5i-a13-display-frontend"; reg = <0x01e00000 0x20000>; interrupts = <47>; - clocks = <&ahb_gates 46>, <&de_fe_clk>, - <&dram_gates 25>; + clocks = <&ccu CLK_DE_FE>, <&ccu CLK_DE_FE>, + <&ccu CLK_DRAM_DE_FE>; clock-names = "ahb", "mod", "ram"; - resets = <&de_fe_clk>; + resets = <&ccu RST_DE_FE>; status = "disabled"; ports { @@ -290,14 +182,14 @@ be0: display-backend@01e60000 { compatible = "allwinner,sun5i-a13-display-backend"; reg = <0x01e60000 0x10000>; - clocks = <&ahb_gates 44>, <&de_be_clk>, - <&dram_gates 26>; + clocks = <&ccu CLK_AHB_DE_BE>, <&ccu CLK_DE_BE>, + <&ccu CLK_DRAM_DE_BE>; clock-names = "ahb", "mod", "ram"; - resets = <&de_be_clk>; + resets = <&ccu RST_DE_BE>; status = "disabled"; - assigned-clocks = <&de_be_clk>; + assigned-clocks = <&ccu CLK_DE_BE>; assigned-clock-rates = <300000000>; ports { @@ -330,6 +222,10 @@ }; }; +&ccu { + compatible = "allwinner,sun5i-a13-ccu"; +}; + &cpu0 { clock-latency = <244144>; /* 8 32k periods */ operating-points = < diff --git a/arch/arm/boot/dts/sun5i-gr8.dtsi b/arch/arm/boot/dts/sun5i-gr8.dtsi index f83ae3fc6329..cb9b2aaf7297 100644 --- a/arch/arm/boot/dts/sun5i-gr8.dtsi +++ b/arch/arm/boot/dts/sun5i-gr8.dtsi @@ -42,9 +42,10 @@ * OTHER DEALINGS IN THE SOFTWARE. */ -#include <dt-bindings/clock/sun4i-a10-pll2.h> +#include <dt-bindings/clock/sun5i-ccu.h> #include <dt-bindings/dma/sun4i-a10.h> #include <dt-bindings/pinctrl/sun4i-a10.h> +#include <dt-bindings/reset/sun5i-ccu.h> / { interrupt-parent = <&intc>; @@ -59,7 +60,7 @@ device_type = "cpu"; compatible = "arm,cortex-a8"; reg = <0x0>; - clocks = <&cpu>; + clocks = <&ccu CLK_CPU>; }; }; @@ -68,419 +69,19 @@ #size-cells = <1>; ranges; - /* - * This is a dummy clock, to be used as placeholder on - * other mux clocks when a specific parent clock is not - * yet implemented. It should be dropped when the driver - * is complete. - */ - dummy: dummy { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <0>; - }; - osc24M: clk@01c20050 { #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-osc-clk"; - reg = <0x01c20050 0x4>; + compatible = "fixed-clock"; clock-frequency = <24000000>; clock-output-names = "osc24M"; }; - osc3M: osc3M-clk { - compatible = "fixed-factor-clock"; - #clock-cells = <0>; - clock-div = <8>; - clock-mult = <1>; - clocks = <&osc24M>; - clock-output-names = "osc3M"; - }; - osc32k: clk@0 { #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = <32768>; clock-output-names = "osc32k"; }; - - pll1: clk@01c20000 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-pll1-clk"; - reg = <0x01c20000 0x4>; - clocks = <&osc24M>; - clock-output-names = "pll1"; - }; - - pll2: clk@01c20008 { - #clock-cells = <1>; - compatible = "allwinner,sun5i-a13-pll2-clk"; - reg = <0x01c20008 0x8>; - clocks = <&osc24M>; - clock-output-names = "pll2-1x", "pll2-2x", - "pll2-4x", "pll2-8x"; - }; - - pll3: clk@01c20010 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-pll3-clk"; - reg = <0x01c20010 0x4>; - clocks = <&osc3M>; - clock-output-names = "pll3"; - }; - - pll3x2: pll3x2-clk { - compatible = "allwinner,sun4i-a10-pll3-2x-clk"; - #clock-cells = <0>; - clock-div = <1>; - clock-mult = <2>; - clocks = <&pll3>; - clock-output-names = "pll3-2x"; - }; - - pll4: clk@01c20018 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-pll1-clk"; - reg = <0x01c20018 0x4>; - clocks = <&osc24M>; - clock-output-names = "pll4"; - }; - - pll5: clk@01c20020 { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-pll5-clk"; - reg = <0x01c20020 0x4>; - clocks = <&osc24M>; - clock-output-names = "pll5_ddr", "pll5_other"; - }; - - pll6: clk@01c20028 { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-pll6-clk"; - reg = <0x01c20028 0x4>; - clocks = <&osc24M>; - clock-output-names = "pll6_sata", "pll6_other", "pll6"; - }; - - pll7: clk@01c20030 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-pll3-clk"; - reg = <0x01c20030 0x4>; - clocks = <&osc3M>; - clock-output-names = "pll7"; - }; - - pll7x2: pll7x2-clk { - compatible = "allwinner,sun4i-a10-pll3-2x-clk"; - #clock-cells = <0>; - clock-div = <1>; - clock-mult = <2>; - clocks = <&pll7>; - clock-output-names = "pll7-2x"; - }; - - /* dummy is 200M */ - cpu: cpu@01c20054 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-cpu-clk"; - reg = <0x01c20054 0x4>; - clocks = <&osc32k>, <&osc24M>, <&pll1>, <&dummy>; - clock-output-names = "cpu"; - }; - - axi: axi@01c20054 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-axi-clk"; - reg = <0x01c20054 0x4>; - clocks = <&cpu>; - clock-output-names = "axi"; - }; - - ahb: ahb@01c20054 { - #clock-cells = <0>; - compatible = "allwinner,sun5i-a13-ahb-clk"; - reg = <0x01c20054 0x4>; - clocks = <&axi>, <&cpu>, <&pll6 1>; - clock-output-names = "ahb"; - /* - * Use PLL6 as parent, instead of CPU/AXI - * which has rate changes due to cpufreq - */ - assigned-clocks = <&ahb>; - assigned-clock-parents = <&pll6 1>; - }; - - apb0: apb0@01c20054 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-apb0-clk"; - reg = <0x01c20054 0x4>; - clocks = <&ahb>; - clock-output-names = "apb0"; - }; - - apb1: clk@01c20058 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-apb1-clk"; - reg = <0x01c20058 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&osc32k>; - clock-output-names = "apb1"; - }; - - axi_gates: clk@01c2005c { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-gates-clk"; - reg = <0x01c2005c 0x4>; - clocks = <&axi>; - clock-indices = <0>; - clock-output-names = "axi_dram"; - }; - - ahb_gates: clk@01c20060 { - #clock-cells = <1>; - compatible = "allwinner,sun5i-a13-ahb-gates-clk"; - reg = <0x01c20060 0x8>; - clocks = <&ahb>; - clock-indices = <0>, <1>, - <2>, <5>, <6>, - <7>, <8>, <9>, - <10>, <13>, - <14>, <17>, <20>, - <21>, <22>, - <28>, <32>, <34>, - <36>, <40>, <44>, - <46>, <51>, - <52>; - clock-output-names = "ahb_usbotg", "ahb_ehci", - "ahb_ohci", "ahb_ss", "ahb_dma", - "ahb_bist", "ahb_mmc0", "ahb_mmc1", - "ahb_mmc2", "ahb_nand", - "ahb_sdram", "ahb_emac", "ahb_spi0", - "ahb_spi1", "ahb_spi2", - "ahb_hstimer", "ahb_ve", "ahb_tve", - "ahb_lcd", "ahb_csi", "ahb_de_be", - "ahb_de_fe", "ahb_iep", - "ahb_mali400"; - }; - - apb0_gates: clk@01c20068 { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-gates-clk"; - reg = <0x01c20068 0x4>; - clocks = <&apb0>; - clock-indices = <0>, <3>, - <5>, <6>; - clock-output-names = "apb0_codec", "apb0_i2s0", - "apb0_pio", "apb0_ir"; - }; - - apb1_gates: clk@01c2006c { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-gates-clk"; - reg = <0x01c2006c 0x4>; - clocks = <&apb1>; - clock-indices = <0>, <1>, - <2>, <17>, - <18>, <19>; - clock-output-names = "apb1_i2c0", "apb1_i2c1", - "apb1_i2c2", "apb1_uart1", - "apb1_uart2", "apb1_uart3"; - }; - - nand_clk: clk@01c20080 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c20080 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "nand"; - }; - - ms_clk: clk@01c20084 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c20084 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "ms"; - }; - - mmc0_clk: clk@01c20088 { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-mmc-clk"; - reg = <0x01c20088 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "mmc0", - "mmc0_output", - "mmc0_sample"; - }; - - mmc1_clk: clk@01c2008c { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-mmc-clk"; - reg = <0x01c2008c 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "mmc1", - "mmc1_output", - "mmc1_sample"; - }; - - mmc2_clk: clk@01c20090 { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-mmc-clk"; - reg = <0x01c20090 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "mmc2", - "mmc2_output", - "mmc2_sample"; - }; - - ts_clk: clk@01c20098 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c20098 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "ts"; - }; - - ss_clk: clk@01c2009c { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c2009c 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "ss"; - }; - - spi0_clk: clk@01c200a0 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c200a0 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "spi0"; - }; - - spi1_clk: clk@01c200a4 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c200a4 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "spi1"; - }; - - spi2_clk: clk@01c200a8 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c200a8 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "spi2"; - }; - - ir0_clk: clk@01c200b0 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c200b0 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "ir0"; - }; - - i2s0_clk: clk@01c200b8 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod1-clk"; - reg = <0x01c200b8 0x4>; - clocks = <&pll2 SUN4I_A10_PLL2_8X>, - <&pll2 SUN4I_A10_PLL2_4X>, - <&pll2 SUN4I_A10_PLL2_2X>, - <&pll2 SUN4I_A10_PLL2_1X>; - clock-output-names = "i2s0"; - }; - - spdif_clk: clk@01c200c0 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod1-clk"; - reg = <0x01c200c0 0x4>; - clocks = <&pll2 SUN4I_A10_PLL2_8X>, - <&pll2 SUN4I_A10_PLL2_4X>, - <&pll2 SUN4I_A10_PLL2_2X>, - <&pll2 SUN4I_A10_PLL2_1X>; - clock-output-names = "spdif"; - }; - - usb_clk: clk@01c200cc { - #clock-cells = <1>; - #reset-cells = <1>; - compatible = "allwinner,sun5i-a13-usb-clk"; - reg = <0x01c200cc 0x4>; - clocks = <&pll6 1>; - clock-output-names = "usb_ohci0", "usb_phy"; - }; - - dram_gates: clk@01c20100 { - #clock-cells = <1>; - compatible = "nextthing,gr8-dram-gates-clk", - "allwinner,sun4i-a10-gates-clk"; - reg = <0x01c20100 0x4>; - clocks = <&pll5 0>; - clock-indices = <0>, - <1>, - <25>, - <26>, - <29>, - <31>; - clock-output-names = "dram_ve", - "dram_csi", - "dram_de_fe", - "dram_de_be", - "dram_ace", - "dram_iep"; - }; - - de_be_clk: clk@01c20104 { - #clock-cells = <0>; - #reset-cells = <0>; - compatible = "allwinner,sun4i-a10-display-clk"; - reg = <0x01c20104 0x4>; - clocks = <&pll3>, <&pll7>, <&pll5 1>; - clock-output-names = "de-be"; - }; - - de_fe_clk: clk@01c2010c { - #clock-cells = <0>; - #reset-cells = <0>; - compatible = "allwinner,sun4i-a10-display-clk"; - reg = <0x01c2010c 0x4>; - clocks = <&pll3>, <&pll7>, <&pll5 1>; - clock-output-names = "de-fe"; - }; - - tcon_ch0_clk: clk@01c20118 { - #clock-cells = <0>; - #reset-cells = <1>; - compatible = "allwinner,sun4i-a10-tcon-ch0-clk"; - reg = <0x01c20118 0x4>; - clocks = <&pll3>, <&pll7>, <&pll3x2>, <&pll7x2>; - clock-output-names = "tcon-ch0-sclk"; - }; - - tcon_ch1_clk: clk@01c2012c { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-tcon-ch1-clk"; - reg = <0x01c2012c 0x4>; - clocks = <&pll3>, <&pll7>, <&pll3x2>, <&pll7x2>; - clock-output-names = "tcon-ch1-sclk"; - }; - - codec_clk: clk@01c20140 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-codec-clk"; - reg = <0x01c20140 0x4>; - clocks = <&pll2 SUN4I_A10_PLL2_1X>; - clock-output-names = "codec"; - }; - - mbus_clk: clk@01c2015c { - #clock-cells = <0>; - compatible = "allwinner,sun5i-a13-mbus-clk"; - reg = <0x01c2015c 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "mbus"; - }; }; display-engine { @@ -528,7 +129,7 @@ compatible = "allwinner,sun4i-a10-dma"; reg = <0x01c02000 0x1000>; interrupts = <27>; - clocks = <&ahb_gates 6>; + clocks = <&ccu CLK_AHB_DMA>; #dma-cells = <2>; }; @@ -536,7 +137,7 @@ compatible = "allwinner,sun4i-a10-nand"; reg = <0x01c03000 0x1000>; interrupts = <37>; - clocks = <&ahb_gates 13>, <&nand_clk>; + clocks = <&ccu CLK_AHB_NAND>, <&ccu CLK_NAND>; clock-names = "ahb", "mod"; dmas = <&dma SUN4I_DMA_DEDICATED 3>; dma-names = "rxtx"; @@ -549,7 +150,7 @@ compatible = "allwinner,sun4i-a10-spi"; reg = <0x01c05000 0x1000>; interrupts = <10>; - clocks = <&ahb_gates 20>, <&spi0_clk>; + clocks = <&ccu CLK_AHB_SPI0>, <&ccu CLK_SPI0>; clock-names = "ahb", "mod"; dmas = <&dma SUN4I_DMA_DEDICATED 27>, <&dma SUN4I_DMA_DEDICATED 26>; @@ -563,7 +164,7 @@ compatible = "allwinner,sun4i-a10-spi"; reg = <0x01c06000 0x1000>; interrupts = <11>; - clocks = <&ahb_gates 21>, <&spi1_clk>; + clocks = <&ccu CLK_AHB_SPI1>, <&ccu CLK_SPI1>; clock-names = "ahb", "mod"; dmas = <&dma SUN4I_DMA_DEDICATED 9>, <&dma SUN4I_DMA_DEDICATED 8>; @@ -576,8 +177,8 @@ tve0: tv-encoder@01c0a000 { compatible = "allwinner,sun4i-a10-tv-encoder"; reg = <0x01c0a000 0x1000>; - clocks = <&ahb_gates 34>; - resets = <&tcon_ch0_clk 0>; + clocks = <&ccu CLK_AHB_TVE>; + resets = <&ccu RST_TVE>; status = "disabled"; port { @@ -595,11 +196,11 @@ compatible = "allwinner,sun5i-a13-tcon"; reg = <0x01c0c000 0x1000>; interrupts = <44>; - resets = <&tcon_ch0_clk 1>; + resets = <&ccu RST_LCD>; reset-names = "lcd"; - clocks = <&ahb_gates 36>, - <&tcon_ch0_clk>, - <&tcon_ch1_clk>; + clocks = <&ccu CLK_AHB_LCD>, + <&ccu CLK_TCON_CH0>, + <&ccu CLK_TCON_CH1>; clock-names = "ahb", "tcon-ch0", "tcon-ch1"; @@ -637,14 +238,8 @@ mmc0: mmc@01c0f000 { compatible = "allwinner,sun5i-a13-mmc"; reg = <0x01c0f000 0x1000>; - clocks = <&ahb_gates 8>, - <&mmc0_clk 0>, - <&mmc0_clk 1>, - <&mmc0_clk 2>; - clock-names = "ahb", - "mmc", - "output", - "sample"; + clocks = <&ccu CLK_AHB_MMC0>, <&ccu CLK_MMC0>; + clock-names = "ahb", "mmc"; interrupts = <32>; status = "disabled"; #address-cells = <1>; @@ -654,14 +249,8 @@ mmc1: mmc@01c10000 { compatible = "allwinner,sun5i-a13-mmc"; reg = <0x01c10000 0x1000>; - clocks = <&ahb_gates 9>, - <&mmc1_clk 0>, - <&mmc1_clk 1>, - <&mmc1_clk 2>; - clock-names = "ahb", - "mmc", - "output", - "sample"; + clocks = <&ccu CLK_AHB_MMC1>, <&ccu CLK_MMC1>; + clock-names = "ahb", "mmc"; interrupts = <33>; status = "disabled"; #address-cells = <1>; @@ -671,14 +260,8 @@ mmc2: mmc@01c11000 { compatible = "allwinner,sun5i-a13-mmc"; reg = <0x01c11000 0x1000>; - clocks = <&ahb_gates 10>, - <&mmc2_clk 0>, - <&mmc2_clk 1>, - <&mmc2_clk 2>; - clock-names = "ahb", - "mmc", - "output", - "sample"; + clocks = <&ccu CLK_AHB_MMC2>, <&ccu CLK_MMC2>; + clock-names = "ahb", "mmc"; interrupts = <34>; status = "disabled"; #address-cells = <1>; @@ -688,7 +271,7 @@ usb_otg: usb@01c13000 { compatible = "allwinner,sun4i-a10-musb"; reg = <0x01c13000 0x0400>; - clocks = <&ahb_gates 0>; + clocks = <&ccu CLK_AHB_OTG>; interrupts = <38>; interrupt-names = "mc"; phys = <&usbphy 0>; @@ -705,9 +288,9 @@ compatible = "allwinner,sun5i-a13-usb-phy"; reg = <0x01c13400 0x10 0x01c14800 0x4>; reg-names = "phy_ctrl", "pmu1"; - clocks = <&usb_clk 8>; + clocks = <&ccu CLK_USB_PHY0>; clock-names = "usb_phy"; - resets = <&usb_clk 0>, <&usb_clk 1>; + resets = <&ccu RST_USB_PHY0>, <&ccu RST_USB_PHY1>; reset-names = "usb0_reset", "usb1_reset"; status = "disabled"; }; @@ -716,7 +299,7 @@ compatible = "allwinner,sun5i-a13-ehci", "generic-ehci"; reg = <0x01c14000 0x100>; interrupts = <39>; - clocks = <&ahb_gates 1>; + clocks = <&ccu CLK_AHB_EHCI>; phys = <&usbphy 1>; phy-names = "usb"; status = "disabled"; @@ -726,7 +309,7 @@ compatible = "allwinner,sun5i-a13-ohci", "generic-ohci"; reg = <0x01c14400 0x100>; interrupts = <40>; - clocks = <&usb_clk 6>, <&ahb_gates 2>; + clocks = <&ccu CLK_USB_OHCI>, <&ccu CLK_AHB_OHCI>; phys = <&usbphy 1>; phy-names = "usb"; status = "disabled"; @@ -736,7 +319,7 @@ compatible = "allwinner,sun4i-a10-spi"; reg = <0x01c17000 0x1000>; interrupts = <12>; - clocks = <&ahb_gates 22>, <&spi2_clk>; + clocks = <&ccu CLK_AHB_SPI2>, <&ccu CLK_SPI2>; clock-names = "ahb", "mod"; dmas = <&dma SUN4I_DMA_DEDICATED 29>, <&dma SUN4I_DMA_DEDICATED 28>; @@ -746,6 +329,15 @@ #size-cells = <0>; }; + ccu: clock@01c20000 { + compatible = "nextthing,gr8-ccu"; + reg = <0x01c20000 0x400>; + clocks = <&osc24M>, <&osc32k>; + clock-names = "hosc", "losc"; + #clock-cells = <1>; + #reset-cells = <1>; + }; + intc: interrupt-controller@01c20400 { compatible = "allwinner,sun4i-a10-ic"; reg = <0x01c20400 0x400>; @@ -757,7 +349,7 @@ compatible = "nextthing,gr8-pinctrl"; reg = <0x01c20800 0x400>; interrupts = <28>; - clocks = <&apb0_gates 5>; + clocks = <&ccu CLK_APB0_PIO>; gpio-controller; interrupt-controller; #interrupt-cells = <3>; @@ -876,7 +468,7 @@ pwm: pwm@01c20e00 { compatible = "allwinner,sun5i-a10s-pwm"; reg = <0x01c20e00 0xc>; - clocks = <&osc24M>; + clocks = <&ccu CLK_HOSC>; #pwm-cells = <3>; status = "disabled"; }; @@ -885,7 +477,7 @@ compatible = "allwinner,sun4i-a10-timer"; reg = <0x01c20c00 0x90>; interrupts = <22>; - clocks = <&osc24M>; + clocks = <&ccu CLK_HOSC>; }; wdt: watchdog@01c20c90 { @@ -898,7 +490,7 @@ compatible = "allwinner,sun4i-a10-spdif"; reg = <0x01c21000 0x400>; interrupts = <13>; - clocks = <&apb0_gates 1>, <&spdif_clk>; + clocks = <&ccu CLK_APB0_SPDIF>, <&ccu CLK_SPDIF>; clock-names = "apb", "spdif"; dmas = <&dma SUN4I_DMA_NORMAL 2>, <&dma SUN4I_DMA_NORMAL 2>; @@ -908,7 +500,7 @@ ir0: ir@01c21800 { compatible = "allwinner,sun4i-a10-ir"; - clocks = <&apb0_gates 6>, <&ir0_clk>; + clocks = <&ccu CLK_APB0_IR>, <&ccu CLK_IR>; clock-names = "apb", "ir"; interrupts = <5>; reg = <0x01c21800 0x40>; @@ -920,7 +512,7 @@ compatible = "allwinner,sun4i-a10-i2s"; reg = <0x01c22400 0x400>; interrupts = <16>; - clocks = <&apb0_gates 3>, <&i2s0_clk>; + clocks = <&ccu CLK_APB0_I2S>, <&ccu CLK_I2S>; clock-names = "apb", "mod"; dmas = <&dma SUN4I_DMA_NORMAL 3>, <&dma SUN4I_DMA_NORMAL 3>; @@ -940,7 +532,7 @@ compatible = "allwinner,sun4i-a10-codec"; reg = <0x01c22c00 0x40>; interrupts = <30>; - clocks = <&apb0_gates 0>, <&codec_clk>; + clocks = <&ccu CLK_APB0_CODEC>, <&ccu CLK_CODEC>; clock-names = "apb", "codec"; dmas = <&dma SUN4I_DMA_NORMAL 19>, <&dma SUN4I_DMA_NORMAL 19>; @@ -961,7 +553,7 @@ interrupts = <2>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 17>; + clocks = <&ccu CLK_APB1_UART1>; status = "disabled"; }; @@ -971,7 +563,7 @@ interrupts = <3>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 18>; + clocks = <&ccu CLK_APB1_UART2>; status = "disabled"; }; @@ -981,7 +573,7 @@ interrupts = <4>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 19>; + clocks = <&ccu CLK_APB1_UART3>; status = "disabled"; }; @@ -989,7 +581,7 @@ compatible = "allwinner,sun4i-a10-i2c"; reg = <0x01c2ac00 0x400>; interrupts = <7>; - clocks = <&apb1_gates 0>; + clocks = <&ccu CLK_APB1_I2C0>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -999,7 +591,7 @@ compatible = "allwinner,sun4i-a10-i2c"; reg = <0x01c2b000 0x400>; interrupts = <8>; - clocks = <&apb1_gates 1>; + clocks = <&ccu CLK_APB1_I2C1>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -1009,7 +601,7 @@ compatible = "allwinner,sun4i-a10-i2c"; reg = <0x01c2b400 0x400>; interrupts = <9>; - clocks = <&apb1_gates 2>; + clocks = <&ccu CLK_APB1_I2C2>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -1019,18 +611,18 @@ compatible = "allwinner,sun5i-a13-hstimer"; reg = <0x01c60000 0x1000>; interrupts = <82>, <83>; - clocks = <&ahb_gates 28>; + clocks = <&ccu CLK_AHB_HSTIMER>; }; fe0: display-frontend@01e00000 { compatible = "allwinner,sun5i-a13-display-frontend"; reg = <0x01e00000 0x20000>; interrupts = <47>; - clocks = <&ahb_gates 46>, <&de_fe_clk>, - <&dram_gates 25>; + clocks = <&ccu CLK_AHB_DE_FE>, <&ccu CLK_DE_FE>, + <&ccu CLK_DRAM_DE_FE>; clock-names = "ahb", "mod", "ram"; - resets = <&de_fe_clk>; + resets = <&ccu RST_DE_FE>; status = "disabled"; ports { @@ -1053,14 +645,14 @@ be0: display-backend@01e60000 { compatible = "allwinner,sun5i-a13-display-backend"; reg = <0x01e60000 0x10000>; - clocks = <&ahb_gates 44>, <&de_be_clk>, - <&dram_gates 26>; + clocks = <&ccu CLK_AHB_DE_BE>, <&ccu CLK_DE_BE>, + <&ccu CLK_DRAM_DE_BE>; clock-names = "ahb", "mod", "ram"; - resets = <&de_be_clk>; + resets = <&ccu RST_DE_BE>; status = "disabled"; - assigned-clocks = <&de_be_clk>; + assigned-clocks = <&ccu CLK_DE_BE>; assigned-clock-rates = <300000000>; ports { diff --git a/arch/arm/boot/dts/sun5i-r8.dtsi b/arch/arm/boot/dts/sun5i-r8.dtsi index 8b058f53b7dc..4c1141396c99 100644 --- a/arch/arm/boot/dts/sun5i-r8.dtsi +++ b/arch/arm/boot/dts/sun5i-r8.dtsi @@ -51,9 +51,9 @@ compatible = "allwinner,simple-framebuffer", "simple-framebuffer"; allwinner,pipeline = "de_be0-lcd0-tve0"; - clocks = <&ahb_gates 34>, <&ahb_gates 36>, - <&ahb_gates 44>, <&de_be_clk>, - <&tcon_ch1_clk>, <&dram_gates 26>; + clocks = <&ccu CLK_AHB_TVE>, <&ccu CLK_AHB_LCD>, + <&ccu CLK_AHB_DE_BE>, <&ccu CLK_DE_BE>, + <&ccu CLK_TCON_CH1>, <&ccu CLK_DRAM_DE_BE>; status = "disabled"; }; }; @@ -62,8 +62,8 @@ tve0: tv-encoder@01c0a000 { compatible = "allwinner,sun4i-a10-tv-encoder"; reg = <0x01c0a000 0x1000>; - clocks = <&ahb_gates 34>; - resets = <&tcon_ch0_clk 0>; + clocks = <&ccu CLK_AHB_TVE>; + resets = <&ccu RST_TVE>; status = "disabled"; port { diff --git a/arch/arm/boot/dts/sun5i.dtsi b/arch/arm/boot/dts/sun5i.dtsi index c058d37d5433..a9574a6cd95c 100644 --- a/arch/arm/boot/dts/sun5i.dtsi +++ b/arch/arm/boot/dts/sun5i.dtsi @@ -44,9 +44,10 @@ #include "skeleton.dtsi" -#include <dt-bindings/clock/sun4i-a10-pll2.h> +#include <dt-bindings/clock/sun5i-ccu.h> #include <dt-bindings/dma/sun4i-a10.h> #include <dt-bindings/pinctrl/sun4i-a10.h> +#include <dt-bindings/reset/sun5i-ccu.h> / { interrupt-parent = <&intc>; @@ -59,7 +60,7 @@ device_type = "cpu"; compatible = "arm,cortex-a8"; reg = <0x0>; - clocks = <&cpu>; + clocks = <&ccu CLK_CPU>; }; }; @@ -68,291 +69,19 @@ #size-cells = <1>; ranges; - /* - * This is a dummy clock, to be used as placeholder on - * other mux clocks when a specific parent clock is not - * yet implemented. It should be dropped when the driver - * is complete. - */ - dummy: dummy { - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-frequency = <0>; - }; - osc24M: clk@01c20050 { #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-osc-clk"; - reg = <0x01c20050 0x4>; + compatible = "fixed-clock"; clock-frequency = <24000000>; clock-output-names = "osc24M"; }; - osc3M: osc3M_clk { - compatible = "fixed-factor-clock"; - #clock-cells = <0>; - clock-div = <8>; - clock-mult = <1>; - clocks = <&osc24M>; - clock-output-names = "osc3M"; - }; - osc32k: clk@0 { #clock-cells = <0>; compatible = "fixed-clock"; clock-frequency = <32768>; clock-output-names = "osc32k"; }; - - pll1: clk@01c20000 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-pll1-clk"; - reg = <0x01c20000 0x4>; - clocks = <&osc24M>; - clock-output-names = "pll1"; - }; - - pll2: clk@01c20008 { - #clock-cells = <1>; - compatible = "allwinner,sun5i-a13-pll2-clk"; - reg = <0x01c20008 0x8>; - clocks = <&osc24M>; - clock-output-names = "pll2-1x", "pll2-2x", - "pll2-4x", "pll2-8x"; - }; - - pll3: clk@01c20010 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-pll3-clk"; - reg = <0x01c20010 0x4>; - clocks = <&osc3M>; - clock-output-names = "pll3"; - }; - - pll3x2: pll3x2_clk { - compatible = "allwinner,sun4i-a10-pll3-2x-clk", "fixed-factor-clock"; - #clock-cells = <0>; - clock-div = <1>; - clock-mult = <2>; - clocks = <&pll3>; - clock-output-names = "pll3-2x"; - }; - - pll4: clk@01c20018 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-pll1-clk"; - reg = <0x01c20018 0x4>; - clocks = <&osc24M>; - clock-output-names = "pll4"; - }; - - pll5: clk@01c20020 { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-pll5-clk"; - reg = <0x01c20020 0x4>; - clocks = <&osc24M>; - clock-output-names = "pll5_ddr", "pll5_other"; - }; - - pll6: clk@01c20028 { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-pll6-clk"; - reg = <0x01c20028 0x4>; - clocks = <&osc24M>; - clock-output-names = "pll6_sata", "pll6_other", "pll6"; - }; - - pll7: clk@01c20030 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-pll3-clk"; - reg = <0x01c20030 0x4>; - clocks = <&osc3M>; - clock-output-names = "pll7"; - }; - - pll7x2: pll7x2_clk { - compatible = "fixed-factor-clock"; - #clock-cells = <0>; - clock-div = <1>; - clock-mult = <2>; - clocks = <&pll7>; - clock-output-names = "pll7-2x"; - }; - - /* dummy is 200M */ - cpu: cpu@01c20054 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-cpu-clk"; - reg = <0x01c20054 0x4>; - clocks = <&osc32k>, <&osc24M>, <&pll1>, <&dummy>; - clock-output-names = "cpu"; - }; - - axi: axi@01c20054 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-axi-clk"; - reg = <0x01c20054 0x4>; - clocks = <&cpu>; - clock-output-names = "axi"; - }; - - ahb: ahb@01c20054 { - #clock-cells = <0>; - compatible = "allwinner,sun5i-a13-ahb-clk"; - reg = <0x01c20054 0x4>; - clocks = <&axi>, <&cpu>, <&pll6 1>; - clock-output-names = "ahb"; - /* - * Use PLL6 as parent, instead of CPU/AXI - * which has rate changes due to cpufreq - */ - assigned-clocks = <&ahb>; - assigned-clock-parents = <&pll6 1>; - }; - - apb0: apb0@01c20054 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-apb0-clk"; - reg = <0x01c20054 0x4>; - clocks = <&ahb>; - clock-output-names = "apb0"; - }; - - apb1: clk@01c20058 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-apb1-clk"; - reg = <0x01c20058 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&osc32k>; - clock-output-names = "apb1"; - }; - - axi_gates: clk@01c2005c { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-axi-gates-clk"; - reg = <0x01c2005c 0x4>; - clocks = <&axi>; - clock-indices = <0>; - clock-output-names = "axi_dram"; - }; - - nand_clk: clk@01c20080 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c20080 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "nand"; - }; - - ms_clk: clk@01c20084 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c20084 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "ms"; - }; - - mmc0_clk: clk@01c20088 { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-mmc-clk"; - reg = <0x01c20088 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "mmc0", - "mmc0_output", - "mmc0_sample"; - }; - - mmc1_clk: clk@01c2008c { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-mmc-clk"; - reg = <0x01c2008c 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "mmc1", - "mmc1_output", - "mmc1_sample"; - }; - - mmc2_clk: clk@01c20090 { - #clock-cells = <1>; - compatible = "allwinner,sun4i-a10-mmc-clk"; - reg = <0x01c20090 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "mmc2", - "mmc2_output", - "mmc2_sample"; - }; - - ts_clk: clk@01c20098 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c20098 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "ts"; - }; - - ss_clk: clk@01c2009c { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c2009c 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "ss"; - }; - - spi0_clk: clk@01c200a0 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c200a0 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "spi0"; - }; - - spi1_clk: clk@01c200a4 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c200a4 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "spi1"; - }; - - spi2_clk: clk@01c200a8 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c200a8 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "spi2"; - }; - - ir0_clk: clk@01c200b0 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-mod0-clk"; - reg = <0x01c200b0 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "ir0"; - }; - - usb_clk: clk@01c200cc { - #clock-cells = <1>; - #reset-cells = <1>; - compatible = "allwinner,sun5i-a13-usb-clk"; - reg = <0x01c200cc 0x4>; - clocks = <&pll6 1>; - clock-output-names = "usb_ohci0", "usb_phy"; - }; - - codec_clk: clk@01c20140 { - #clock-cells = <0>; - compatible = "allwinner,sun4i-a10-codec-clk"; - reg = <0x01c20140 0x4>; - clocks = <&pll2 SUN4I_A10_PLL2_1X>; - clock-output-names = "codec"; - }; - - mbus_clk: clk@01c2015c { - #clock-cells = <0>; - compatible = "allwinner,sun5i-a13-mbus-clk"; - reg = <0x01c2015c 0x4>; - clocks = <&osc24M>, <&pll6 1>, <&pll5 1>; - clock-output-names = "mbus"; - }; }; soc@01c00000 { @@ -395,7 +124,7 @@ compatible = "allwinner,sun4i-a10-dma"; reg = <0x01c02000 0x1000>; interrupts = <27>; - clocks = <&ahb_gates 6>; + clocks = <&ccu CLK_AHB_DMA>; #dma-cells = <2>; }; @@ -403,7 +132,7 @@ compatible = "allwinner,sun4i-a10-spi"; reg = <0x01c05000 0x1000>; interrupts = <10>; - clocks = <&ahb_gates 20>, <&spi0_clk>; + clocks = <&ccu CLK_AHB_SPI0>, <&ccu CLK_SPI0>; clock-names = "ahb", "mod"; dmas = <&dma SUN4I_DMA_DEDICATED 27>, <&dma SUN4I_DMA_DEDICATED 26>; @@ -417,7 +146,7 @@ compatible = "allwinner,sun4i-a10-spi"; reg = <0x01c06000 0x1000>; interrupts = <11>; - clocks = <&ahb_gates 21>, <&spi1_clk>; + clocks = <&ccu CLK_AHB_SPI1>, <&ccu CLK_SPI1>; clock-names = "ahb", "mod"; dmas = <&dma SUN4I_DMA_DEDICATED 9>, <&dma SUN4I_DMA_DEDICATED 8>; @@ -430,14 +159,8 @@ mmc0: mmc@01c0f000 { compatible = "allwinner,sun5i-a13-mmc"; reg = <0x01c0f000 0x1000>; - clocks = <&ahb_gates 8>, - <&mmc0_clk 0>, - <&mmc0_clk 1>, - <&mmc0_clk 2>; - clock-names = "ahb", - "mmc", - "output", - "sample"; + clocks = <&ccu CLK_AHB_MMC0>, <&ccu CLK_MMC0>; + clock-names = "ahb", "mmc"; interrupts = <32>; status = "disabled"; #address-cells = <1>; @@ -447,14 +170,8 @@ mmc1: mmc@01c10000 { compatible = "allwinner,sun5i-a13-mmc"; reg = <0x01c10000 0x1000>; - clocks = <&ahb_gates 9>, - <&mmc1_clk 0>, - <&mmc1_clk 1>, - <&mmc1_clk 2>; - clock-names = "ahb", - "mmc", - "output", - "sample"; + clocks = <&ccu CLK_AHB_MMC1>, <&ccu CLK_MMC1>; + clock-names = "ahb", "mmc"; interrupts = <33>; status = "disabled"; #address-cells = <1>; @@ -464,14 +181,8 @@ mmc2: mmc@01c11000 { compatible = "allwinner,sun5i-a13-mmc"; reg = <0x01c11000 0x1000>; - clocks = <&ahb_gates 10>, - <&mmc2_clk 0>, - <&mmc2_clk 1>, - <&mmc2_clk 2>; - clock-names = "ahb", - "mmc", - "output", - "sample"; + clocks = <&ccu CLK_AHB_MMC2>, <&ccu CLK_MMC2>; + clock-names = "ahb", "mmc"; interrupts = <34>; status = "disabled"; #address-cells = <1>; @@ -481,7 +192,7 @@ usb_otg: usb@01c13000 { compatible = "allwinner,sun4i-a10-musb"; reg = <0x01c13000 0x0400>; - clocks = <&ahb_gates 0>; + clocks = <&ccu CLK_AHB_OTG>; interrupts = <38>; interrupt-names = "mc"; phys = <&usbphy 0>; @@ -496,9 +207,9 @@ compatible = "allwinner,sun5i-a13-usb-phy"; reg = <0x01c13400 0x10 0x01c14800 0x4>; reg-names = "phy_ctrl", "pmu1"; - clocks = <&usb_clk 8>; + clocks = <&ccu CLK_USB_PHY0>; clock-names = "usb_phy"; - resets = <&usb_clk 0>, <&usb_clk 1>; + resets = <&ccu RST_USB_PHY0>, <&ccu RST_USB_PHY1>; reset-names = "usb0_reset", "usb1_reset"; status = "disabled"; }; @@ -507,7 +218,7 @@ compatible = "allwinner,sun5i-a13-ehci", "generic-ehci"; reg = <0x01c14000 0x100>; interrupts = <39>; - clocks = <&ahb_gates 1>; + clocks = <&ccu CLK_AHB_EHCI>; phys = <&usbphy 1>; phy-names = "usb"; status = "disabled"; @@ -517,7 +228,7 @@ compatible = "allwinner,sun5i-a13-ohci", "generic-ohci"; reg = <0x01c14400 0x100>; interrupts = <40>; - clocks = <&usb_clk 6>, <&ahb_gates 2>; + clocks = <&ccu CLK_USB_OHCI>, <&ccu CLK_AHB_OHCI>; phys = <&usbphy 1>; phy-names = "usb"; status = "disabled"; @@ -527,7 +238,7 @@ compatible = "allwinner,sun4i-a10-spi"; reg = <0x01c17000 0x1000>; interrupts = <12>; - clocks = <&ahb_gates 22>, <&spi2_clk>; + clocks = <&ccu CLK_AHB_SPI2>, <&ccu CLK_SPI2>; clock-names = "ahb", "mod"; dmas = <&dma SUN4I_DMA_DEDICATED 29>, <&dma SUN4I_DMA_DEDICATED 28>; @@ -537,6 +248,14 @@ #size-cells = <0>; }; + ccu: clock@01c20000 { + reg = <0x01c20000 0x400>; + clocks = <&osc24M>, <&osc32k>; + clock-names = "hosc", "losc"; + #clock-cells = <1>; + #reset-cells = <1>; + }; + intc: interrupt-controller@01c20400 { compatible = "allwinner,sun4i-a10-ic"; reg = <0x01c20400 0x400>; @@ -547,7 +266,7 @@ pio: pinctrl@01c20800 { reg = <0x01c20800 0x400>; interrupts = <28>; - clocks = <&apb0_gates 5>, <&osc24M>, <&osc32k>; + clocks = <&ccu CLK_APB0_PIO>, <&osc24M>, <&osc32k>; clock-names = "apb", "hosc", "losc"; gpio-controller; interrupt-controller; @@ -632,7 +351,7 @@ compatible = "allwinner,sun4i-a10-timer"; reg = <0x01c20c00 0x90>; interrupts = <22>; - clocks = <&osc24M>; + clocks = <&ccu CLK_HOSC>; }; wdt: watchdog@01c20c90 { @@ -652,7 +371,7 @@ compatible = "allwinner,sun4i-a10-codec"; reg = <0x01c22c00 0x40>; interrupts = <30>; - clocks = <&apb0_gates 0>, <&codec_clk>; + clocks = <&ccu CLK_APB0_CODEC>, <&ccu CLK_CODEC>; clock-names = "apb", "codec"; dmas = <&dma SUN4I_DMA_NORMAL 19>, <&dma SUN4I_DMA_NORMAL 19>; @@ -678,7 +397,7 @@ interrupts = <2>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 17>; + clocks = <&ccu CLK_APB1_UART1>; status = "disabled"; }; @@ -688,7 +407,7 @@ interrupts = <4>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 19>; + clocks = <&ccu CLK_APB1_UART3>; status = "disabled"; }; @@ -696,7 +415,7 @@ compatible = "allwinner,sun4i-a10-i2c"; reg = <0x01c2ac00 0x400>; interrupts = <7>; - clocks = <&apb1_gates 0>; + clocks = <&ccu CLK_APB1_I2C0>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -706,7 +425,7 @@ compatible = "allwinner,sun4i-a10-i2c"; reg = <0x01c2b000 0x400>; interrupts = <8>; - clocks = <&apb1_gates 1>; + clocks = <&ccu CLK_APB1_I2C1>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -716,7 +435,7 @@ compatible = "allwinner,sun4i-a10-i2c"; reg = <0x01c2b400 0x400>; interrupts = <9>; - clocks = <&apb1_gates 2>; + clocks = <&ccu CLK_APB1_I2C2>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -726,7 +445,7 @@ compatible = "allwinner,sun5i-a13-hstimer"; reg = <0x01c60000 0x1000>; interrupts = <82>, <83>; - clocks = <&ahb_gates 28>; + clocks = <&ccu CLK_AHB_HSTIMER>; }; }; }; diff --git a/arch/arm/boot/dts/sun9i-a80.dtsi b/arch/arm/boot/dts/sun9i-a80.dtsi index 03f2ab47ece0..15b6d122f878 100644 --- a/arch/arm/boot/dts/sun9i-a80.dtsi +++ b/arch/arm/boot/dts/sun9i-a80.dtsi @@ -48,6 +48,13 @@ #include <dt-bindings/pinctrl/sun4i-a10.h> +#include <dt-bindings/clock/sun9i-a80-ccu.h> +#include <dt-bindings/clock/sun9i-a80-de.h> +#include <dt-bindings/clock/sun9i-a80-usb.h> +#include <dt-bindings/reset/sun9i-a80-ccu.h> +#include <dt-bindings/reset/sun9i-a80-de.h> +#include <dt-bindings/reset/sun9i-a80-usb.h> + / { interrupt-parent = <&gic>; @@ -159,228 +166,13 @@ clock-output-names = "osc32k"; }; - usb_mod_clk: clk@00a08000 { - #clock-cells = <1>; - #reset-cells = <1>; - compatible = "allwinner,sun9i-a80-usb-mod-clk"; - reg = <0x00a08000 0x4>; - clocks = <&ahb1_gates 1>; - clock-output-names = "usb0_ahb", "usb_ohci0", - "usb1_ahb", "usb_ohci1", - "usb2_ahb", "usb_ohci2"; - }; - - usb_phy_clk: clk@00a08004 { - #clock-cells = <1>; - #reset-cells = <1>; - compatible = "allwinner,sun9i-a80-usb-phy-clk"; - reg = <0x00a08004 0x4>; - clocks = <&ahb1_gates 1>; - clock-output-names = "usb_phy0", "usb_hsic1_480M", - "usb_phy1", "usb_hsic2_480M", - "usb_phy2", "usb_hsic_12M"; - }; - - pll3: clk@06000008 { - /* placeholder until implemented */ - #clock-cells = <0>; - compatible = "fixed-clock"; - clock-rate = <0>; - clock-output-names = "pll3"; - }; - - pll4: clk@0600000c { - #clock-cells = <0>; - compatible = "allwinner,sun9i-a80-pll4-clk"; - reg = <0x0600000c 0x4>; - clocks = <&osc24M>; - clock-output-names = "pll4"; - }; - - pll12: clk@0600002c { - #clock-cells = <0>; - compatible = "allwinner,sun9i-a80-pll4-clk"; - reg = <0x0600002c 0x4>; - clocks = <&osc24M>; - clock-output-names = "pll12"; - }; - - gt_clk: clk@0600005c { - #clock-cells = <0>; - compatible = "allwinner,sun9i-a80-gt-clk"; - reg = <0x0600005c 0x4>; - clocks = <&osc24M>, <&pll4>, <&pll12>, <&pll12>; - clock-output-names = "gt"; - }; - - ahb0: clk@06000060 { - #clock-cells = <0>; - compatible = "allwinner,sun9i-a80-ahb-clk"; - reg = <0x06000060 0x4>; - clocks = <>_clk>, <&pll4>, <&pll12>, <&pll12>; - clock-output-names = "ahb0"; - }; - - ahb1: clk@06000064 { - #clock-cells = <0>; - compatible = "allwinner,sun9i-a80-ahb-clk"; - reg = <0x06000064 0x4>; - clocks = <>_clk>, <&pll4>, <&pll12>, <&pll12>; - clock-output-names = "ahb1"; - }; - - ahb2: clk@06000068 { - #clock-cells = <0>; - compatible = "allwinner,sun9i-a80-ahb-clk"; - reg = <0x06000068 0x4>; - clocks = <>_clk>, <&pll4>, <&pll12>, <&pll12>; - clock-output-names = "ahb2"; - }; - - apb0: clk@06000070 { - #clock-cells = <0>; - compatible = "allwinner,sun9i-a80-apb0-clk"; - reg = <0x06000070 0x4>; - clocks = <&osc24M>, <&pll4>; - clock-output-names = "apb0"; - }; - - apb1: clk@06000074 { - #clock-cells = <0>; - compatible = "allwinner,sun9i-a80-apb1-clk"; - reg = <0x06000074 0x4>; - clocks = <&osc24M>, <&pll4>; - clock-output-names = "apb1"; - }; - - cci400_clk: clk@06000078 { - #clock-cells = <0>; - compatible = "allwinner,sun9i-a80-gt-clk"; - reg = <0x06000078 0x4>; - clocks = <&osc24M>, <&pll4>, <&pll12>, <&pll12>; - clock-output-names = "cci400"; - }; - - mmc0_clk: clk@06000410 { - #clock-cells = <1>; - compatible = "allwinner,sun9i-a80-mmc-clk"; - reg = <0x06000410 0x4>; - clocks = <&osc24M>, <&pll4>; - clock-output-names = "mmc0", "mmc0_output", - "mmc0_sample"; - }; - - mmc1_clk: clk@06000414 { - #clock-cells = <1>; - compatible = "allwinner,sun9i-a80-mmc-clk"; - reg = <0x06000414 0x4>; - clocks = <&osc24M>, <&pll4>; - clock-output-names = "mmc1", "mmc1_output", - "mmc1_sample"; - }; - - mmc2_clk: clk@06000418 { - #clock-cells = <1>; - compatible = "allwinner,sun9i-a80-mmc-clk"; - reg = <0x06000418 0x4>; - clocks = <&osc24M>, <&pll4>; - clock-output-names = "mmc2", "mmc2_output", - "mmc2_sample"; - }; - - mmc3_clk: clk@0600041c { - #clock-cells = <1>; - compatible = "allwinner,sun9i-a80-mmc-clk"; - reg = <0x0600041c 0x4>; - clocks = <&osc24M>, <&pll4>; - clock-output-names = "mmc3", "mmc3_output", - "mmc3_sample"; - }; - - ahb0_gates: clk@06000580 { - #clock-cells = <1>; - compatible = "allwinner,sun9i-a80-ahb0-gates-clk"; - reg = <0x06000580 0x4>; - clocks = <&ahb0>; - clock-indices = <0>, <1>, <3>, - <5>, <8>, <12>, - <13>, <14>, - <15>, <16>, <18>, - <20>, <21>, <22>, - <23>; - clock-output-names = "ahb0_fd", "ahb0_ve", "ahb0_gpu", - "ahb0_ss", "ahb0_sd", "ahb0_nand1", - "ahb0_nand0", "ahb0_sdram", - "ahb0_mipi_hsi", "ahb0_sata", "ahb0_ts", - "ahb0_spi0", "ahb0_spi1", "ahb0_spi2", - "ahb0_spi3"; - }; - - ahb1_gates: clk@06000584 { - #clock-cells = <1>; - compatible = "allwinner,sun9i-a80-ahb1-gates-clk"; - reg = <0x06000584 0x4>; - clocks = <&ahb1>; - clock-indices = <0>, <1>, - <17>, <21>, - <22>, <23>, - <24>; - clock-output-names = "ahb1_usbotg", "ahb1_usbhci", - "ahb1_gmac", "ahb1_msgbox", - "ahb1_spinlock", "ahb1_hstimer", - "ahb1_dma"; - }; - - ahb2_gates: clk@06000588 { - #clock-cells = <1>; - compatible = "allwinner,sun9i-a80-ahb2-gates-clk"; - reg = <0x06000588 0x4>; - clocks = <&ahb2>; - clock-indices = <0>, <1>, - <2>, <4>, <5>, - <7>, <8>, <11>; - clock-output-names = "ahb2_lcd0", "ahb2_lcd1", - "ahb2_edp", "ahb2_csi", "ahb2_hdmi", - "ahb2_de", "ahb2_mp", "ahb2_mipi_dsi"; - }; - - apb0_gates: clk@06000590 { - #clock-cells = <1>; - compatible = "allwinner,sun9i-a80-apb0-gates-clk"; - reg = <0x06000590 0x4>; - clocks = <&apb0>; - clock-indices = <1>, <5>, - <11>, <12>, <13>, - <15>, <17>, <18>, - <19>; - clock-output-names = "apb0_spdif", "apb0_pio", - "apb0_ac97", "apb0_i2s0", "apb0_i2s1", - "apb0_lradc", "apb0_gpadc", "apb0_twd", - "apb0_cirtx"; - }; - - apb1_gates: clk@06000594 { - #clock-cells = <1>; - compatible = "allwinner,sun9i-a80-apb1-gates-clk"; - reg = <0x06000594 0x4>; - clocks = <&apb1>; - clock-indices = <0>, <1>, - <2>, <3>, <4>, - <16>, <17>, - <18>, <19>, - <20>, <21>; - clock-output-names = "apb1_i2c0", "apb1_i2c1", - "apb1_i2c2", "apb1_i2c3", "apb1_i2c4", - "apb1_uart0", "apb1_uart1", - "apb1_uart2", "apb1_uart3", - "apb1_uart4", "apb1_uart5"; - }; - cpus_clk: clk@08001410 { compatible = "allwinner,sun9i-a80-cpus-clk"; reg = <0x08001410 0x4>; #clock-cells = <0>; - clocks = <&osc32k>, <&osc24M>, <&pll4>, <&pll3>; + clocks = <&osc32k>, <&osc24M>, + <&ccu CLK_PLL_PERIPH0>, + <&ccu CLK_PLL_AUDIO>; clock-output-names = "cpus"; }; @@ -453,8 +245,8 @@ compatible = "allwinner,sun9i-a80-ehci", "generic-ehci"; reg = <0x00a00000 0x100>; interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&usb_mod_clk 1>; - resets = <&usb_mod_clk 17>; + clocks = <&usb_clocks CLK_BUS_HCI0>; + resets = <&usb_clocks RST_USB0_HCI>; phys = <&usbphy1>; phy-names = "usb"; status = "disabled"; @@ -464,8 +256,9 @@ compatible = "allwinner,sun9i-a80-ohci", "generic-ohci"; reg = <0x00a00400 0x100>; interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&usb_mod_clk 1>, <&usb_mod_clk 2>; - resets = <&usb_mod_clk 17>; + clocks = <&usb_clocks CLK_BUS_HCI0>, + <&usb_clocks CLK_USB_OHCI0>; + resets = <&usb_clocks RST_USB0_HCI>; phys = <&usbphy1>; phy-names = "usb"; status = "disabled"; @@ -474,9 +267,9 @@ usbphy1: phy@00a00800 { compatible = "allwinner,sun9i-a80-usb-phy"; reg = <0x00a00800 0x4>; - clocks = <&usb_phy_clk 1>; + clocks = <&usb_clocks CLK_USB0_PHY>; clock-names = "phy"; - resets = <&usb_phy_clk 17>; + resets = <&usb_clocks RST_USB0_PHY>; reset-names = "phy"; status = "disabled"; #phy-cells = <0>; @@ -486,8 +279,8 @@ compatible = "allwinner,sun9i-a80-ehci", "generic-ehci"; reg = <0x00a01000 0x100>; interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&usb_mod_clk 3>; - resets = <&usb_mod_clk 18>; + clocks = <&usb_clocks CLK_BUS_HCI1>; + resets = <&usb_clocks RST_USB1_HCI>; phys = <&usbphy2>; phy-names = "usb"; status = "disabled"; @@ -496,11 +289,16 @@ usbphy2: phy@00a01800 { compatible = "allwinner,sun9i-a80-usb-phy"; reg = <0x00a01800 0x4>; - clocks = <&usb_phy_clk 2>, <&usb_phy_clk 10>, - <&usb_phy_clk 3>; - clock-names = "hsic_480M", "hsic_12M", "phy"; - resets = <&usb_phy_clk 18>, <&usb_phy_clk 19>; - reset-names = "hsic", "phy"; + clocks = <&usb_clocks CLK_USB1_HSIC>, + <&usb_clocks CLK_USB_HSIC>, + <&usb_clocks CLK_USB1_PHY>; + clock-names = "hsic_480M", + "hsic_12M", + "phy"; + resets = <&usb_clocks RST_USB1_HSIC>, + <&usb_clocks RST_USB1_PHY>; + reset-names = "hsic", + "phy"; status = "disabled"; #phy-cells = <0>; /* usb1 is always used with HSIC */ @@ -511,8 +309,8 @@ compatible = "allwinner,sun9i-a80-ehci", "generic-ehci"; reg = <0x00a02000 0x100>; interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&usb_mod_clk 5>; - resets = <&usb_mod_clk 19>; + clocks = <&usb_clocks CLK_BUS_HCI2>; + resets = <&usb_clocks RST_USB2_HCI>; phys = <&usbphy3>; phy-names = "usb"; status = "disabled"; @@ -522,8 +320,9 @@ compatible = "allwinner,sun9i-a80-ohci", "generic-ohci"; reg = <0x00a02400 0x100>; interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&usb_mod_clk 5>, <&usb_mod_clk 6>; - resets = <&usb_mod_clk 19>; + clocks = <&usb_clocks CLK_BUS_HCI2>, + <&usb_clocks CLK_USB_OHCI2>; + resets = <&usb_clocks RST_USB2_HCI>; phys = <&usbphy3>; phy-names = "usb"; status = "disabled"; @@ -532,20 +331,35 @@ usbphy3: phy@00a02800 { compatible = "allwinner,sun9i-a80-usb-phy"; reg = <0x00a02800 0x4>; - clocks = <&usb_phy_clk 4>, <&usb_phy_clk 10>, - <&usb_phy_clk 5>; - clock-names = "hsic_480M", "hsic_12M", "phy"; - resets = <&usb_phy_clk 20>, <&usb_phy_clk 21>; - reset-names = "hsic", "phy"; + clocks = <&usb_clocks CLK_USB2_HSIC>, + <&usb_clocks CLK_USB_HSIC>, + <&usb_clocks CLK_USB2_PHY>; + clock-names = "hsic_480M", + "hsic_12M", + "phy"; + resets = <&usb_clocks RST_USB2_HSIC>, + <&usb_clocks RST_USB2_PHY>; + reset-names = "hsic", + "phy"; status = "disabled"; #phy-cells = <0>; }; + usb_clocks: clock@00a08000 { + compatible = "allwinner,sun9i-a80-usb-clks"; + reg = <0x00a08000 0x8>; + clocks = <&ccu CLK_BUS_USB>, <&osc24M>; + clock-names = "bus", "hosc"; + #clock-cells = <1>; + #reset-cells = <1>; + }; + mmc0: mmc@01c0f000 { compatible = "allwinner,sun9i-a80-mmc"; reg = <0x01c0f000 0x1000>; - clocks = <&mmc_config_clk 0>, <&mmc0_clk 0>, - <&mmc0_clk 1>, <&mmc0_clk 2>; + clocks = <&mmc_config_clk 0>, <&ccu CLK_MMC0>, + <&ccu CLK_MMC0_OUTPUT>, + <&ccu CLK_MMC0_SAMPLE>; clock-names = "ahb", "mmc", "output", "sample"; resets = <&mmc_config_clk 0>; reset-names = "ahb"; @@ -558,8 +372,9 @@ mmc1: mmc@01c10000 { compatible = "allwinner,sun9i-a80-mmc"; reg = <0x01c10000 0x1000>; - clocks = <&mmc_config_clk 1>, <&mmc1_clk 0>, - <&mmc1_clk 1>, <&mmc1_clk 2>; + clocks = <&mmc_config_clk 1>, <&ccu CLK_MMC1>, + <&ccu CLK_MMC1_OUTPUT>, + <&ccu CLK_MMC1_SAMPLE>; clock-names = "ahb", "mmc", "output", "sample"; resets = <&mmc_config_clk 1>; reset-names = "ahb"; @@ -572,8 +387,9 @@ mmc2: mmc@01c11000 { compatible = "allwinner,sun9i-a80-mmc"; reg = <0x01c11000 0x1000>; - clocks = <&mmc_config_clk 2>, <&mmc2_clk 0>, - <&mmc2_clk 1>, <&mmc2_clk 2>; + clocks = <&mmc_config_clk 2>, <&ccu CLK_MMC2>, + <&ccu CLK_MMC2_OUTPUT>, + <&ccu CLK_MMC2_SAMPLE>; clock-names = "ahb", "mmc", "output", "sample"; resets = <&mmc_config_clk 2>; reset-names = "ahb"; @@ -586,8 +402,9 @@ mmc3: mmc@01c12000 { compatible = "allwinner,sun9i-a80-mmc"; reg = <0x01c12000 0x1000>; - clocks = <&mmc_config_clk 3>, <&mmc3_clk 0>, - <&mmc3_clk 1>, <&mmc3_clk 2>; + clocks = <&mmc_config_clk 3>, <&ccu CLK_MMC3>, + <&ccu CLK_MMC3_OUTPUT>, + <&ccu CLK_MMC3_SAMPLE>; clock-names = "ahb", "mmc", "output", "sample"; resets = <&mmc_config_clk 3>; reset-names = "ahb"; @@ -600,9 +417,9 @@ mmc_config_clk: clk@01c13000 { compatible = "allwinner,sun9i-a80-mmc-config-clk"; reg = <0x01c13000 0x10>; - clocks = <&ahb0_gates 8>; + clocks = <&ccu CLK_BUS_MMC>; clock-names = "ahb"; - resets = <&ahb0_resets 8>; + resets = <&ccu RST_BUS_MMC>; reset-names = "ahb"; #clock-cells = <1>; #reset-cells = <1>; @@ -621,34 +438,27 @@ interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>; }; - ahb0_resets: reset@060005a0 { - #reset-cells = <1>; - compatible = "allwinner,sun6i-a31-clock-reset"; - reg = <0x060005a0 0x4>; - }; - - ahb1_resets: reset@060005a4 { - #reset-cells = <1>; - compatible = "allwinner,sun6i-a31-clock-reset"; - reg = <0x060005a4 0x4>; - }; - - ahb2_resets: reset@060005a8 { - #reset-cells = <1>; - compatible = "allwinner,sun6i-a31-clock-reset"; - reg = <0x060005a8 0x4>; - }; - - apb0_resets: reset@060005b0 { + de_clocks: clock@03000000 { + compatible = "allwinner,sun9i-a80-de-clks"; + reg = <0x03000000 0x30>; + clocks = <&ccu CLK_DE>, + <&ccu CLK_SDRAM>, + <&ccu CLK_BUS_DE>; + clock-names = "mod", + "dram", + "bus"; + resets = <&ccu RST_BUS_DE>; + #clock-cells = <1>; #reset-cells = <1>; - compatible = "allwinner,sun6i-a31-clock-reset"; - reg = <0x060005b0 0x4>; }; - apb1_resets: reset@060005b4 { + ccu: clock@06000000 { + compatible = "allwinner,sun9i-a80-ccu"; + reg = <0x06000000 0x800>; + clocks = <&osc24M>, <&osc32k>; + clock-names = "hosc", "losc"; + #clock-cells = <1>; #reset-cells = <1>; - compatible = "allwinner,sun6i-a31-clock-reset"; - reg = <0x060005b4 0x4>; }; timer@06000c00 { @@ -678,7 +488,7 @@ <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>, <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&apb0_gates 5>, <&osc24M>, <&osc32k>; + clocks = <&ccu CLK_BUS_PIO>, <&osc24M>, <&osc32k>; clock-names = "apb", "hosc", "losc"; gpio-controller; interrupt-controller; @@ -734,8 +544,8 @@ interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 16>; - resets = <&apb1_resets 16>; + clocks = <&ccu CLK_BUS_UART0>; + resets = <&ccu RST_BUS_UART0>; status = "disabled"; }; @@ -745,8 +555,8 @@ interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 17>; - resets = <&apb1_resets 17>; + clocks = <&ccu CLK_BUS_UART1>; + resets = <&ccu RST_BUS_UART1>; status = "disabled"; }; @@ -756,8 +566,8 @@ interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 18>; - resets = <&apb1_resets 18>; + clocks = <&ccu CLK_BUS_UART2>; + resets = <&ccu RST_BUS_UART2>; status = "disabled"; }; @@ -767,8 +577,8 @@ interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 19>; - resets = <&apb1_resets 19>; + clocks = <&ccu CLK_BUS_UART3>; + resets = <&ccu RST_BUS_UART3>; status = "disabled"; }; @@ -778,8 +588,8 @@ interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 20>; - resets = <&apb1_resets 20>; + clocks = <&ccu CLK_BUS_UART4>; + resets = <&ccu RST_BUS_UART4>; status = "disabled"; }; @@ -789,8 +599,8 @@ interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>; reg-shift = <2>; reg-io-width = <4>; - clocks = <&apb1_gates 21>; - resets = <&apb1_resets 21>; + clocks = <&ccu CLK_BUS_UART5>; + resets = <&ccu RST_BUS_UART5>; status = "disabled"; }; @@ -798,8 +608,8 @@ compatible = "allwinner,sun6i-a31-i2c"; reg = <0x07002800 0x400>; interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&apb1_gates 0>; - resets = <&apb1_resets 0>; + clocks = <&ccu CLK_BUS_I2C0>; + resets = <&ccu RST_BUS_I2C0>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -809,8 +619,8 @@ compatible = "allwinner,sun6i-a31-i2c"; reg = <0x07002c00 0x400>; interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&apb1_gates 1>; - resets = <&apb1_resets 1>; + clocks = <&ccu CLK_BUS_I2C1>; + resets = <&ccu RST_BUS_I2C1>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -820,8 +630,8 @@ compatible = "allwinner,sun6i-a31-i2c"; reg = <0x07003000 0x400>; interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&apb1_gates 2>; - resets = <&apb1_resets 2>; + clocks = <&ccu CLK_BUS_I2C2>; + resets = <&ccu RST_BUS_I2C2>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -831,8 +641,8 @@ compatible = "allwinner,sun6i-a31-i2c"; reg = <0x07003400 0x400>; interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&apb1_gates 3>; - resets = <&apb1_resets 3>; + clocks = <&ccu CLK_BUS_I2C3>; + resets = <&ccu RST_BUS_I2C3>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; @@ -842,8 +652,8 @@ compatible = "allwinner,sun6i-a31-i2c"; reg = <0x07003800 0x400>; interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&apb1_gates 4>; - resets = <&apb1_resets 4>; + clocks = <&ccu CLK_BUS_I2C4>; + resets = <&ccu RST_BUS_I2C4>; status = "disabled"; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/arm/common/bL_switcher.c b/arch/arm/common/bL_switcher.c index 46730017b3c5..57f3b7512636 100644 --- a/arch/arm/common/bL_switcher.c +++ b/arch/arm/common/bL_switcher.c @@ -13,7 +13,8 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/sched.h> +#include <linux/sched/signal.h> +#include <uapi/linux/sched/types.h> #include <linux/interrupt.h> #include <linux/cpu_pm.h> #include <linux/cpu.h> diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c index 75055df1cda3..9b1b7be2ec0e 100644 --- a/arch/arm/common/dmabounce.c +++ b/arch/arm/common/dmabounce.c @@ -452,7 +452,7 @@ static int dmabounce_set_mask(struct device *dev, u64 dma_mask) return arm_dma_ops.set_dma_mask(dev, dma_mask); } -static struct dma_map_ops dmabounce_ops = { +static const struct dma_map_ops dmabounce_ops = { .alloc = arm_dma_alloc, .free = arm_dma_free, .mmap = arm_dma_mmap, diff --git a/arch/arm/common/mcpm_entry.c b/arch/arm/common/mcpm_entry.c index a923524d1040..cf062472e07b 100644 --- a/arch/arm/common/mcpm_entry.c +++ b/arch/arm/common/mcpm_entry.c @@ -144,7 +144,7 @@ extern unsigned long mcpm_entry_vectors[MAX_NR_CLUSTERS][MAX_CPUS_PER_CLUSTER]; void mcpm_set_entry_vector(unsigned cpu, unsigned cluster, void *ptr) { - unsigned long val = ptr ? virt_to_phys(ptr) : 0; + unsigned long val = ptr ? __pa_symbol(ptr) : 0; mcpm_entry_vectors[cluster][cpu] = val; sync_cache_w(&mcpm_entry_vectors[cluster][cpu]); } @@ -299,8 +299,8 @@ void mcpm_cpu_power_down(void) * the kernel as if the power_up method just had deasserted reset * on the CPU. */ - phys_reset = (phys_reset_t)(unsigned long)virt_to_phys(cpu_reset); - phys_reset(virt_to_phys(mcpm_entry_point)); + phys_reset = (phys_reset_t)(unsigned long)__pa_symbol(cpu_reset); + phys_reset(__pa_symbol(mcpm_entry_point)); /* should never get here */ BUG(); @@ -388,8 +388,8 @@ static int __init nocache_trampoline(unsigned long _arg) __mcpm_outbound_leave_critical(cluster, CLUSTER_DOWN); __mcpm_cpu_down(cpu, cluster); - phys_reset = (phys_reset_t)(unsigned long)virt_to_phys(cpu_reset); - phys_reset(virt_to_phys(mcpm_entry_point)); + phys_reset = (phys_reset_t)(unsigned long)__pa_symbol(cpu_reset); + phys_reset(__pa_symbol(mcpm_entry_point)); BUG(); } @@ -449,7 +449,7 @@ int __init mcpm_sync_init( sync_cache_w(&mcpm_sync); if (power_up_setup) { - mcpm_power_up_setup_phys = virt_to_phys(power_up_setup); + mcpm_power_up_setup_phys = __pa_symbol(power_up_setup); sync_cache_w(&mcpm_power_up_setup_phys); } diff --git a/arch/arm/include/asm/device.h b/arch/arm/include/asm/device.h index 4111592f0130..220ba207be91 100644 --- a/arch/arm/include/asm/device.h +++ b/arch/arm/include/asm/device.h @@ -7,7 +7,6 @@ #define ASMARM_DEVICE_H struct dev_archdata { - struct dma_map_ops *dma_ops; #ifdef CONFIG_DMABOUNCE struct dmabounce_device_info *dmabounce; #endif diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index bf02dbd9ccda..716656925975 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -13,28 +13,22 @@ #include <asm/xen/hypervisor.h> #define DMA_ERROR_CODE (~(dma_addr_t)0x0) -extern struct dma_map_ops arm_dma_ops; -extern struct dma_map_ops arm_coherent_dma_ops; +extern const struct dma_map_ops arm_dma_ops; +extern const struct dma_map_ops arm_coherent_dma_ops; -static inline struct dma_map_ops *__generic_dma_ops(struct device *dev) +static inline const struct dma_map_ops *__generic_dma_ops(struct device *dev) { - if (dev && dev->archdata.dma_ops) - return dev->archdata.dma_ops; + if (dev && dev->dma_ops) + return dev->dma_ops; return &arm_dma_ops; } -static inline struct dma_map_ops *get_dma_ops(struct device *dev) +static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { if (xen_initial_domain()) return xen_dma_ops; else - return __generic_dma_ops(dev); -} - -static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops) -{ - BUG_ON(!dev); - dev->archdata.dma_ops = ops; + return __generic_dma_ops(NULL); } #define HAVE_ARCH_DMA_SUPPORTED 1 diff --git a/arch/arm/include/asm/hardware/cache-uniphier.h b/arch/arm/include/asm/hardware/cache-uniphier.h index eaa60da7dac3..0ef42ae75b6c 100644 --- a/arch/arm/include/asm/hardware/cache-uniphier.h +++ b/arch/arm/include/asm/hardware/cache-uniphier.h @@ -16,7 +16,7 @@ #ifndef __CACHE_UNIPHIER_H #define __CACHE_UNIPHIER_H -#include <linux/types.h> +#include <linux/errno.h> #ifdef CONFIG_CACHE_UNIPHIER int uniphier_cache_init(void); diff --git a/arch/arm/include/asm/kprobes.h b/arch/arm/include/asm/kprobes.h index 3ea9be559726..59655459da59 100644 --- a/arch/arm/include/asm/kprobes.h +++ b/arch/arm/include/asm/kprobes.h @@ -16,6 +16,9 @@ #ifndef _ARM_KPROBES_H #define _ARM_KPROBES_H +#include <asm-generic/kprobes.h> + +#ifdef CONFIG_KPROBES #include <linux/types.h> #include <linux/ptrace.h> #include <linux/notifier.h> @@ -83,4 +86,5 @@ struct arch_optimized_insn { */ }; +#endif /* CONFIG_KPROBES */ #endif /* _ARM_KPROBES_H */ diff --git a/arch/arm/include/asm/mach/flash.h b/arch/arm/include/asm/mach/flash.h index 4ca69fe2c850..bada3f845a97 100644 --- a/arch/arm/include/asm/mach/flash.h +++ b/arch/arm/include/asm/mach/flash.h @@ -22,7 +22,7 @@ struct mtd_info; * set_vpp: method called to enable or disable VPP * mmcontrol: method called to enable or disable Sync. Burst Read in OneNAND * parts: optional array of mtd_partitions for static partitioning - * nr_parts: number of mtd_partitions for static partitoning + * nr_parts: number of mtd_partitions for static partitioning */ struct flash_platform_data { const char *map_name; diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 76cbd9c674df..1f54e4e98c1e 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -83,8 +83,15 @@ #define IOREMAP_MAX_ORDER 24 #endif +#define VECTORS_BASE UL(0xffff0000) + #else /* CONFIG_MMU */ +#ifndef __ASSEMBLY__ +extern unsigned long vectors_base; +#define VECTORS_BASE vectors_base +#endif + /* * The limitation of user task size can grow up to the end of free ram region. * It is difficult to define and perhaps will never meet the original meaning @@ -111,6 +118,13 @@ #endif /* !CONFIG_MMU */ +#ifdef CONFIG_XIP_KERNEL +#define KERNEL_START _sdata +#else +#define KERNEL_START _stext +#endif +#define KERNEL_END _end + /* * We fix the TCM memories max 32 KiB ITCM resp DTCM at these * locations @@ -206,7 +220,7 @@ extern const void *__pv_table_begin, *__pv_table_end; : "r" (x), "I" (__PV_BITS_31_24) \ : "cc") -static inline phys_addr_t __virt_to_phys(unsigned long x) +static inline phys_addr_t __virt_to_phys_nodebug(unsigned long x) { phys_addr_t t; @@ -238,7 +252,7 @@ static inline unsigned long __phys_to_virt(phys_addr_t x) #define PHYS_OFFSET PLAT_PHYS_OFFSET #define PHYS_PFN_OFFSET ((unsigned long)(PHYS_OFFSET >> PAGE_SHIFT)) -static inline phys_addr_t __virt_to_phys(unsigned long x) +static inline phys_addr_t __virt_to_phys_nodebug(unsigned long x) { return (phys_addr_t)x - PAGE_OFFSET + PHYS_OFFSET; } @@ -254,6 +268,16 @@ static inline unsigned long __phys_to_virt(phys_addr_t x) ((((unsigned long)(kaddr) - PAGE_OFFSET) >> PAGE_SHIFT) + \ PHYS_PFN_OFFSET) +#define __pa_symbol_nodebug(x) __virt_to_phys_nodebug((x)) + +#ifdef CONFIG_DEBUG_VIRTUAL +extern phys_addr_t __virt_to_phys(unsigned long x); +extern phys_addr_t __phys_addr_symbol(unsigned long x); +#else +#define __virt_to_phys(x) __virt_to_phys_nodebug(x) +#define __phys_addr_symbol(x) __pa_symbol_nodebug(x) +#endif + /* * These are *only* valid on the kernel direct mapped RAM memory. * Note: Drivers should NOT use these. They are the wrong @@ -276,6 +300,7 @@ static inline void *phys_to_virt(phys_addr_t x) * Drivers should NOT use these either. */ #define __pa(x) __virt_to_phys((unsigned long)(x)) +#define __pa_symbol(x) __phys_addr_symbol(RELOC_HIDE((unsigned long)(x), 0)) #define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x))) #define pfn_to_kaddr(pfn) __va((phys_addr_t)(pfn) << PAGE_SHIFT) diff --git a/arch/arm/include/asm/mmu_context.h b/arch/arm/include/asm/mmu_context.h index 3cc14dd8587c..7f303295ef19 100644 --- a/arch/arm/include/asm/mmu_context.h +++ b/arch/arm/include/asm/mmu_context.h @@ -15,7 +15,9 @@ #include <linux/compiler.h> #include <linux/sched.h> +#include <linux/mm_types.h> #include <linux/preempt.h> + #include <asm/cacheflush.h> #include <asm/cachetype.h> #include <asm/proc-fns.h> diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h index add094d09e3e..302240c19a5a 100644 --- a/arch/arm/include/asm/pgtable-nommu.h +++ b/arch/arm/include/asm/pgtable-nommu.h @@ -63,9 +63,9 @@ typedef pte_t *pte_addr_t; /* * Mark the prot value as uncacheable and unbufferable. */ -#define pgprot_noncached(prot) __pgprot(0) -#define pgprot_writecombine(prot) __pgprot(0) -#define pgprot_dmacoherent(prot) __pgprot(0) +#define pgprot_noncached(prot) (prot) +#define pgprot_writecombine(prot) (prot) +#define pgprot_dmacoherent(prot) (prot) /* diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h index def9e570199f..1897b5196fb5 100644 --- a/arch/arm/include/asm/tlbflush.h +++ b/arch/arm/include/asm/tlbflush.h @@ -10,6 +10,10 @@ #ifndef _ASMARM_TLBFLUSH_H #define _ASMARM_TLBFLUSH_H +#ifndef __ASSEMBLY__ +# include <linux/mm_types.h> +#endif + #ifdef CONFIG_MMU #include <asm/glue.h> @@ -644,9 +648,6 @@ static inline void update_mmu_cache(struct vm_area_struct *vma, #elif defined(CONFIG_SMP) /* !CONFIG_MMU */ #ifndef __ASSEMBLY__ - -#include <linux/mm_types.h> - static inline void local_flush_tlb_all(void) { } static inline void local_flush_tlb_mm(struct mm_struct *mm) { } static inline void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long uaddr) { } diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S index 6b4eb27b8758..2e21e08de747 100644 --- a/arch/arm/kernel/head-nommu.S +++ b/arch/arm/kernel/head-nommu.S @@ -152,11 +152,6 @@ __after_proc_init: #ifdef CONFIG_CPU_ICACHE_DISABLE bic r0, r0, #CR_I #endif -#ifdef CONFIG_CPU_HIGH_VECTOR - orr r0, r0, #CR_V -#else - bic r0, r0, #CR_V -#endif mcr p15, 0, r0, c1, c0, 0 @ write control reg #elif defined (CONFIG_CPU_V7M) /* For V7M systems we want to modify the CCR similarly to the SCTLR */ diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index 4f14b5ce6535..80254b47dc34 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -155,8 +155,17 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex, break; case R_ARM_PREL31: - offset = *(u32 *)loc + sym->st_value - loc; - *(u32 *)loc = offset & 0x7fffffff; + offset = (*(s32 *)loc << 1) >> 1; /* sign extend */ + offset += sym->st_value - loc; + if (offset >= 0x40000000 || offset < -0x40000000) { + pr_err("%s: section %u reloc %u sym '%s': relocation %u out of range (%#lx -> %#x)\n", + module->name, relindex, i, symname, + ELF32_R_TYPE(rel->r_info), loc, + sym->st_value); + return -ENOEXEC; + } + *(u32 *)loc &= 0x80000000; + *(u32 *)loc |= offset & 0x7fffffff; break; case R_ARM_MOVW_ABS_NC: diff --git a/arch/arm/kernel/perf_regs.c b/arch/arm/kernel/perf_regs.c index 592dda3f21ff..c366b83bf955 100644 --- a/arch/arm/kernel/perf_regs.c +++ b/arch/arm/kernel/perf_regs.c @@ -3,6 +3,7 @@ #include <linux/kernel.h> #include <linux/perf_event.h> #include <linux/bug.h> +#include <linux/sched/task_stack.h> #include <asm/perf_regs.h> #include <asm/ptrace.h> diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index 91d2d5b01414..939e8b58c59d 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -12,6 +12,9 @@ #include <linux/export.h> #include <linux/sched.h> +#include <linux/sched/debug.h> +#include <linux/sched/task.h> +#include <linux/sched/task_stack.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/stddef.h> diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index ae738a6319f6..58e3771e4c5b 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -10,7 +10,8 @@ * published by the Free Software Foundation. */ #include <linux/kernel.h> -#include <linux/sched.h> +#include <linux/sched/signal.h> +#include <linux/sched/task_stack.h> #include <linux/mm.h> #include <linux/elf.h> #include <linux/smp.h> diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 34e3f3c45634..f4e54503afa9 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -81,7 +81,7 @@ __setup("fpe=", fpe_setup); extern void init_default_cache_policy(unsigned long); extern void paging_init(const struct machine_desc *desc); extern void early_paging_init(const struct machine_desc *); -extern void sanity_check_meminfo(void); +extern void adjust_lowmem_bounds(void); extern enum reboot_mode reboot_mode; extern void setup_dma_zone(const struct machine_desc *desc); @@ -1093,8 +1093,14 @@ void __init setup_arch(char **cmdline_p) setup_dma_zone(mdesc); xen_early_init(); efi_init(); - sanity_check_meminfo(); + /* + * Make sure the calculation for lowmem/highmem is set appropriately + * before reserving/allocating any mmeory + */ + adjust_lowmem_bounds(); arm_memblock_init(mdesc); + /* Memory may have been removed so recalculate the bounds. */ + adjust_lowmem_bounds(); early_ioremap_reset(); diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 7dd14e8395e6..572a8df1b766 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -11,7 +11,9 @@ #include <linux/delay.h> #include <linux/init.h> #include <linux/spinlock.h> -#include <linux/sched.h> +#include <linux/sched/mm.h> +#include <linux/sched/hotplug.h> +#include <linux/sched/task_stack.h> #include <linux/interrupt.h> #include <linux/cache.h> #include <linux/profile.h> @@ -251,7 +253,7 @@ void __cpu_die(unsigned int cpu) pr_err("CPU%u: cpu didn't die\n", cpu); return; } - pr_notice("CPU%u: shutdown\n", cpu); + pr_debug("CPU%u: shutdown\n", cpu); /* * platform_cpu_kill() is generally expected to do the powering off @@ -371,7 +373,7 @@ asmlinkage void secondary_start_kernel(void) * reference and switch to it. */ cpu = smp_processor_id(); - atomic_inc(&mm->mm_count); + mmgrab(mm); current->active_mm = mm; cpumask_set_cpu(cpu, mm_cpumask(mm)); diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c index 92b72375c4c7..3a2fa203637a 100644 --- a/arch/arm/kernel/stacktrace.c +++ b/arch/arm/kernel/stacktrace.c @@ -1,5 +1,6 @@ #include <linux/export.h> #include <linux/sched.h> +#include <linux/sched/debug.h> #include <linux/stacktrace.h> #include <asm/stacktrace.h> diff --git a/arch/arm/kernel/suspend.c b/arch/arm/kernel/suspend.c index 9a2f882a0a2d..ef794c799cb6 100644 --- a/arch/arm/kernel/suspend.c +++ b/arch/arm/kernel/suspend.c @@ -1,5 +1,6 @@ #include <linux/init.h> #include <linux/slab.h> +#include <linux/mm_types.h> #include <asm/cacheflush.h> #include <asm/idmap.h> diff --git a/arch/arm/kernel/swp_emulate.c b/arch/arm/kernel/swp_emulate.c index 853221f81104..3bda08bee674 100644 --- a/arch/arm/kernel/swp_emulate.c +++ b/arch/arm/kernel/swp_emulate.c @@ -23,6 +23,7 @@ #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/sched.h> +#include <linux/sched/mm.h> #include <linux/syscalls.h> #include <linux/perf_event.h> diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c index 5f221acd21ae..b9786f491873 100644 --- a/arch/arm/kernel/sys_oabi-compat.c +++ b/arch/arm/kernel/sys_oabi-compat.c @@ -76,6 +76,7 @@ #include <linux/syscalls.h> #include <linux/errno.h> #include <linux/fs.h> +#include <linux/cred.h> #include <linux/fcntl.h> #include <linux/eventpoll.h> #include <linux/sem.h> diff --git a/arch/arm/kernel/topology.c b/arch/arm/kernel/topology.c index ebf47d91b804..f8a3ab82e77f 100644 --- a/arch/arm/kernel/topology.c +++ b/arch/arm/kernel/topology.c @@ -21,6 +21,7 @@ #include <linux/nodemask.h> #include <linux/of.h> #include <linux/sched.h> +#include <linux/sched/topology.h> #include <linux/slab.h> #include <linux/string.h> diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 9688ec0c6ef4..948c648fea00 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -24,7 +24,9 @@ #include <linux/bug.h> #include <linux/delay.h> #include <linux/init.h> -#include <linux/sched.h> +#include <linux/sched/signal.h> +#include <linux/sched/debug.h> +#include <linux/sched/task_stack.h> #include <linux/irq.h> #include <linux/atomic.h> diff --git a/arch/arm/mach-alpine/platsmp.c b/arch/arm/mach-alpine/platsmp.c index dd77ea25e7ca..6dc6d491f88a 100644 --- a/arch/arm/mach-alpine/platsmp.c +++ b/arch/arm/mach-alpine/platsmp.c @@ -27,7 +27,7 @@ static int alpine_boot_secondary(unsigned int cpu, struct task_struct *idle) { phys_addr_t addr; - addr = virt_to_phys(secondary_startup); + addr = __pa_symbol(secondary_startup); if (addr > (phys_addr_t)(uint32_t)(-1)) { pr_err("FAIL: resume address over 32bit (%pa)", &addr); diff --git a/arch/arm/mach-axxia/platsmp.c b/arch/arm/mach-axxia/platsmp.c index ffbd71d45008..502e3df69f69 100644 --- a/arch/arm/mach-axxia/platsmp.c +++ b/arch/arm/mach-axxia/platsmp.c @@ -25,7 +25,7 @@ static void write_release_addr(u32 release_phys) { u32 *virt = (u32 *) phys_to_virt(release_phys); - writel_relaxed(virt_to_phys(secondary_startup), virt); + writel_relaxed(__pa_symbol(secondary_startup), virt); /* Make sure this store is visible to other CPUs */ smp_wmb(); __cpuc_flush_dcache_area(virt, sizeof(u32)); diff --git a/arch/arm/mach-bcm/bcm63xx_smp.c b/arch/arm/mach-bcm/bcm63xx_smp.c index 9b6727ed68cd..f5fb10b4376f 100644 --- a/arch/arm/mach-bcm/bcm63xx_smp.c +++ b/arch/arm/mach-bcm/bcm63xx_smp.c @@ -135,7 +135,7 @@ static int bcm63138_smp_boot_secondary(unsigned int cpu, } /* Write the secondary init routine to the BootLUT reset vector */ - val = virt_to_phys(secondary_startup); + val = __pa_symbol(secondary_startup); writel_relaxed(val, bootlut_base + BOOTLUT_RESET_VECT); /* Power up the core, will jump straight to its reset vector when we diff --git a/arch/arm/mach-bcm/platsmp-brcmstb.c b/arch/arm/mach-bcm/platsmp-brcmstb.c index 40dc8448445e..12379960e982 100644 --- a/arch/arm/mach-bcm/platsmp-brcmstb.c +++ b/arch/arm/mach-bcm/platsmp-brcmstb.c @@ -151,7 +151,7 @@ static void brcmstb_cpu_boot(u32 cpu) * Set the reset vector to point to the secondary_startup * routine */ - cpu_set_boot_addr(cpu, virt_to_phys(secondary_startup)); + cpu_set_boot_addr(cpu, __pa_symbol(secondary_startup)); /* Unhalt the cpu */ cpu_rst_cfg_set(cpu, 0); diff --git a/arch/arm/mach-bcm/platsmp.c b/arch/arm/mach-bcm/platsmp.c index 3ac3a9bc663c..9e3f275934eb 100644 --- a/arch/arm/mach-bcm/platsmp.c +++ b/arch/arm/mach-bcm/platsmp.c @@ -21,6 +21,7 @@ #include <linux/of.h> #include <linux/of_address.h> #include <linux/sched.h> +#include <linux/sched/clock.h> #include <linux/smp.h> #include <asm/cacheflush.h> @@ -116,7 +117,7 @@ static int nsp_write_lut(unsigned int cpu) return -ENOMEM; } - secondary_startup_phy = virt_to_phys(secondary_startup); + secondary_startup_phy = __pa_symbol(secondary_startup); BUG_ON(secondary_startup_phy > (phys_addr_t)U32_MAX); writel_relaxed(secondary_startup_phy, sku_rom_lut); @@ -189,7 +190,7 @@ static int kona_boot_secondary(unsigned int cpu, struct task_struct *idle) * Secondary cores will start in secondary_startup(), * defined in "arch/arm/kernel/head.S" */ - boot_func = virt_to_phys(secondary_startup); + boot_func = __pa_symbol(secondary_startup); BUG_ON(boot_func & BOOT_ADDR_CPUID_MASK); BUG_ON(boot_func > (phys_addr_t)U32_MAX); diff --git a/arch/arm/mach-berlin/platsmp.c b/arch/arm/mach-berlin/platsmp.c index 93f90688db18..7586b7aec272 100644 --- a/arch/arm/mach-berlin/platsmp.c +++ b/arch/arm/mach-berlin/platsmp.c @@ -15,6 +15,7 @@ #include <asm/cacheflush.h> #include <asm/cp15.h> +#include <asm/memory.h> #include <asm/smp_plat.h> #include <asm/smp_scu.h> @@ -75,7 +76,7 @@ static void __init berlin_smp_prepare_cpus(unsigned int max_cpus) if (!cpu_ctrl) goto unmap_scu; - vectors_base = ioremap(CONFIG_VECTORS_BASE, SZ_32K); + vectors_base = ioremap(VECTORS_BASE, SZ_32K); if (!vectors_base) goto unmap_scu; @@ -92,7 +93,7 @@ static void __init berlin_smp_prepare_cpus(unsigned int max_cpus) * Write the secondary startup address into the SW reset address * vector. This is used by boot_inst. */ - writel(virt_to_phys(secondary_startup), vectors_base + SW_RESET_ADDR); + writel(__pa_symbol(secondary_startup), vectors_base + SW_RESET_ADDR); iounmap(vectors_base); unmap_scu: diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c index 3b39ea353d30..8a5b6f059498 100644 --- a/arch/arm/mach-ep93xx/ts72xx.c +++ b/arch/arm/mach-ep93xx/ts72xx.c @@ -16,7 +16,6 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/io.h> -#include <linux/platform_data/rtc-m48t86.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> @@ -45,16 +44,6 @@ static struct map_desc ts72xx_io_desc[] __initdata = { .pfn = __phys_to_pfn(TS72XX_OPTIONS2_PHYS_BASE), .length = TS72XX_OPTIONS2_SIZE, .type = MT_DEVICE, - }, { - .virtual = (unsigned long)TS72XX_RTC_INDEX_VIRT_BASE, - .pfn = __phys_to_pfn(TS72XX_RTC_INDEX_PHYS_BASE), - .length = TS72XX_RTC_INDEX_SIZE, - .type = MT_DEVICE, - }, { - .virtual = (unsigned long)TS72XX_RTC_DATA_VIRT_BASE, - .pfn = __phys_to_pfn(TS72XX_RTC_DATA_PHYS_BASE), - .length = TS72XX_RTC_DATA_SIZE, - .type = MT_DEVICE, } }; @@ -179,31 +168,22 @@ static void __init ts72xx_register_flash(void) } } +/************************************************************************* + * RTC M48T86 + *************************************************************************/ +#define TS72XX_RTC_INDEX_PHYS_BASE (EP93XX_CS1_PHYS_BASE + 0x00800000) +#define TS72XX_RTC_DATA_PHYS_BASE (EP93XX_CS1_PHYS_BASE + 0x01700000) -static unsigned char ts72xx_rtc_readbyte(unsigned long addr) -{ - __raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE); - return __raw_readb(TS72XX_RTC_DATA_VIRT_BASE); -} - -static void ts72xx_rtc_writebyte(unsigned char value, unsigned long addr) -{ - __raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE); - __raw_writeb(value, TS72XX_RTC_DATA_VIRT_BASE); -} - -static struct m48t86_ops ts72xx_rtc_ops = { - .readbyte = ts72xx_rtc_readbyte, - .writebyte = ts72xx_rtc_writebyte, +static struct resource ts72xx_rtc_resources[] = { + DEFINE_RES_MEM(TS72XX_RTC_INDEX_PHYS_BASE, 0x01), + DEFINE_RES_MEM(TS72XX_RTC_DATA_PHYS_BASE, 0x01), }; static struct platform_device ts72xx_rtc_device = { .name = "rtc-m48t86", .id = -1, - .dev = { - .platform_data = &ts72xx_rtc_ops, - }, - .num_resources = 0, + .resource = ts72xx_rtc_resources, + .num_resources = ARRAY_SIZE(ts72xx_rtc_resources), }; static struct resource ts72xx_wdt_resources[] = { diff --git a/arch/arm/mach-ep93xx/ts72xx.h b/arch/arm/mach-ep93xx/ts72xx.h index 071feaa30adc..2255ba29fdd6 100644 --- a/arch/arm/mach-ep93xx/ts72xx.h +++ b/arch/arm/mach-ep93xx/ts72xx.h @@ -9,8 +9,6 @@ * febff000 22000000 4K model number register (bits 0-2) * febfe000 22400000 4K options register * febfd000 22800000 4K options register #2 - * febf9000 10800000 4K TS-5620 RTC index register - * febf8000 11700000 4K TS-5620 RTC data register */ #define TS72XX_MODEL_PHYS_BASE 0x22000000 @@ -40,15 +38,6 @@ #define TS72XX_OPTIONS2_TS9420 0x04 #define TS72XX_OPTIONS2_TS9420_BOOT 0x02 - -#define TS72XX_RTC_INDEX_VIRT_BASE IOMEM(0xfebf9000) -#define TS72XX_RTC_INDEX_PHYS_BASE 0x10800000 -#define TS72XX_RTC_INDEX_SIZE 0x00001000 - -#define TS72XX_RTC_DATA_VIRT_BASE IOMEM(0xfebf8000) -#define TS72XX_RTC_DATA_PHYS_BASE 0x11700000 -#define TS72XX_RTC_DATA_SIZE 0x00001000 - #define TS72XX_WDT_CONTROL_PHYS_BASE 0x23800000 #define TS72XX_WDT_FEED_PHYS_BASE 0x23c00000 diff --git a/arch/arm/mach-exynos/firmware.c b/arch/arm/mach-exynos/firmware.c index fd6da5419b51..e81a78b125d9 100644 --- a/arch/arm/mach-exynos/firmware.c +++ b/arch/arm/mach-exynos/firmware.c @@ -41,7 +41,7 @@ static int exynos_do_idle(unsigned long mode) case FW_DO_IDLE_AFTR: if (read_cpuid_part() == ARM_CPU_PART_CORTEX_A9) exynos_save_cp15(); - writel_relaxed(virt_to_phys(exynos_cpu_resume_ns), + writel_relaxed(__pa_symbol(exynos_cpu_resume_ns), sysram_ns_base_addr + 0x24); writel_relaxed(EXYNOS_AFTR_MAGIC, sysram_ns_base_addr + 0x20); if (soc_is_exynos3250()) { @@ -135,7 +135,7 @@ static int exynos_suspend(void) exynos_save_cp15(); writel(EXYNOS_SLEEP_MAGIC, sysram_ns_base_addr + EXYNOS_BOOT_FLAG); - writel(virt_to_phys(exynos_cpu_resume_ns), + writel(__pa_symbol(exynos_cpu_resume_ns), sysram_ns_base_addr + EXYNOS_BOOT_ADDR); return cpu_suspend(0, exynos_cpu_suspend); diff --git a/arch/arm/mach-exynos/mcpm-exynos.c b/arch/arm/mach-exynos/mcpm-exynos.c index 038fd8c993d0..b42622562ea7 100644 --- a/arch/arm/mach-exynos/mcpm-exynos.c +++ b/arch/arm/mach-exynos/mcpm-exynos.c @@ -221,7 +221,7 @@ static void exynos_mcpm_setup_entry_point(void) */ __raw_writel(0xe59f0000, ns_sram_base_addr); /* ldr r0, [pc, #0] */ __raw_writel(0xe12fff10, ns_sram_base_addr + 4); /* bx r0 */ - __raw_writel(virt_to_phys(mcpm_entry_point), ns_sram_base_addr + 8); + __raw_writel(__pa_symbol(mcpm_entry_point), ns_sram_base_addr + 8); } static struct syscore_ops exynos_mcpm_syscore_ops = { diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c index a5d68411a037..5a03bffe7226 100644 --- a/arch/arm/mach-exynos/platsmp.c +++ b/arch/arm/mach-exynos/platsmp.c @@ -353,7 +353,7 @@ static int exynos_boot_secondary(unsigned int cpu, struct task_struct *idle) smp_rmb(); - boot_addr = virt_to_phys(exynos4_secondary_startup); + boot_addr = __pa_symbol(exynos4_secondary_startup); ret = exynos_set_boot_addr(core_id, boot_addr); if (ret) @@ -413,7 +413,7 @@ static void __init exynos_smp_prepare_cpus(unsigned int max_cpus) mpidr = cpu_logical_map(i); core_id = MPIDR_AFFINITY_LEVEL(mpidr, 0); - boot_addr = virt_to_phys(exynos4_secondary_startup); + boot_addr = __pa_symbol(exynos4_secondary_startup); ret = exynos_set_boot_addr(core_id, boot_addr); if (ret) diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index 487295f4a56b..1a7e5b5d08d8 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -132,7 +132,7 @@ static void exynos_set_wakeupmask(long mask) static void exynos_cpu_set_boot_vector(long flags) { - writel_relaxed(virt_to_phys(exynos_cpu_resume), + writel_relaxed(__pa_symbol(exynos_cpu_resume), exynos_boot_vector_addr()); writel_relaxed(flags, exynos_boot_vector_flag()); } @@ -238,7 +238,7 @@ static int exynos_cpu0_enter_aftr(void) abort: if (cpu_online(1)) { - unsigned long boot_addr = virt_to_phys(exynos_cpu_resume); + unsigned long boot_addr = __pa_symbol(exynos_cpu_resume); /* * Set the boot vector to something non-zero @@ -330,7 +330,7 @@ cpu1_aborted: static void exynos_pre_enter_aftr(void) { - unsigned long boot_addr = virt_to_phys(exynos_cpu_resume); + unsigned long boot_addr = __pa_symbol(exynos_cpu_resume); (void)exynos_set_boot_addr(1, boot_addr); } diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c index adf4e8f182bd..748cfb8d5212 100644 --- a/arch/arm/mach-exynos/suspend.c +++ b/arch/arm/mach-exynos/suspend.c @@ -301,7 +301,7 @@ static void exynos_pm_prepare(void) exynos_pm_enter_sleep_mode(); /* ensure at least INFORM0 has the resume address */ - pmu_raw_writel(virt_to_phys(exynos_cpu_resume), S5P_INFORM0); + pmu_raw_writel(__pa_symbol(exynos_cpu_resume), S5P_INFORM0); } static void exynos3250_pm_prepare(void) @@ -318,7 +318,7 @@ static void exynos3250_pm_prepare(void) exynos_pm_enter_sleep_mode(); /* ensure at least INFORM0 has the resume address */ - pmu_raw_writel(virt_to_phys(exynos_cpu_resume), S5P_INFORM0); + pmu_raw_writel(__pa_symbol(exynos_cpu_resume), S5P_INFORM0); } static void exynos5420_pm_prepare(void) @@ -343,7 +343,7 @@ static void exynos5420_pm_prepare(void) /* ensure at least INFORM0 has the resume address */ if (IS_ENABLED(CONFIG_EXYNOS5420_MCPM)) - pmu_raw_writel(virt_to_phys(mcpm_entry_point), S5P_INFORM0); + pmu_raw_writel(__pa_symbol(mcpm_entry_point), S5P_INFORM0); tmp = pmu_raw_readl(EXYNOS_L2_OPTION(0)); tmp &= ~EXYNOS_L2_USE_RETENTION; diff --git a/arch/arm/mach-hisi/platmcpm.c b/arch/arm/mach-hisi/platmcpm.c index 4b653a8cb75c..a6c117622d67 100644 --- a/arch/arm/mach-hisi/platmcpm.c +++ b/arch/arm/mach-hisi/platmcpm.c @@ -327,7 +327,7 @@ static int __init hip04_smp_init(void) */ writel_relaxed(hip04_boot_method[0], relocation); writel_relaxed(0xa5a5a5a5, relocation + 4); /* magic number */ - writel_relaxed(virt_to_phys(secondary_startup), relocation + 8); + writel_relaxed(__pa_symbol(secondary_startup), relocation + 8); writel_relaxed(0, relocation + 12); iounmap(relocation); diff --git a/arch/arm/mach-hisi/platsmp.c b/arch/arm/mach-hisi/platsmp.c index e1d67648d5d0..91bb02dec20f 100644 --- a/arch/arm/mach-hisi/platsmp.c +++ b/arch/arm/mach-hisi/platsmp.c @@ -28,7 +28,7 @@ void hi3xxx_set_cpu_jump(int cpu, void *jump_addr) cpu = cpu_logical_map(cpu); if (!cpu || !ctrl_base) return; - writel_relaxed(virt_to_phys(jump_addr), ctrl_base + ((cpu - 1) << 2)); + writel_relaxed(__pa_symbol(jump_addr), ctrl_base + ((cpu - 1) << 2)); } int hi3xxx_get_cpu_jump(int cpu) @@ -118,7 +118,7 @@ static int hix5hd2_boot_secondary(unsigned int cpu, struct task_struct *idle) { phys_addr_t jumpaddr; - jumpaddr = virt_to_phys(secondary_startup); + jumpaddr = __pa_symbol(secondary_startup); hix5hd2_set_scu_boot_addr(HIX5HD2_BOOT_ADDRESS, jumpaddr); hix5hd2_set_cpu(cpu, true); arch_send_wakeup_ipi_mask(cpumask_of(cpu)); @@ -156,7 +156,7 @@ static int hip01_boot_secondary(unsigned int cpu, struct task_struct *idle) struct device_node *node; - jumpaddr = virt_to_phys(secondary_startup); + jumpaddr = __pa_symbol(secondary_startup); hip01_set_boot_addr(HIP01_BOOT_ADDRESS, jumpaddr); node = of_find_compatible_node(NULL, NULL, "hisilicon,hip01-sysctrl"); diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c index 711dbbd5badd..c2d1b329fba1 100644 --- a/arch/arm/mach-imx/platsmp.c +++ b/arch/arm/mach-imx/platsmp.c @@ -117,7 +117,7 @@ static void __init ls1021a_smp_prepare_cpus(unsigned int max_cpus) dcfg_base = of_iomap(np, 0); BUG_ON(!dcfg_base); - paddr = virt_to_phys(secondary_startup); + paddr = __pa_symbol(secondary_startup); writel_relaxed(cpu_to_be32(paddr), dcfg_base + DCFG_CCSR_SCRATCHRW1); iounmap(dcfg_base); diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c index 1515e498d348..e61b1d1027e1 100644 --- a/arch/arm/mach-imx/pm-imx6.c +++ b/arch/arm/mach-imx/pm-imx6.c @@ -499,7 +499,7 @@ static int __init imx6q_suspend_init(const struct imx6_pm_socdata *socdata) memset(suspend_ocram_base, 0, sizeof(*pm_info)); pm_info = suspend_ocram_base; pm_info->pbase = ocram_pbase; - pm_info->resume_addr = virt_to_phys(v7_cpu_resume); + pm_info->resume_addr = __pa_symbol(v7_cpu_resume); pm_info->pm_info_size = sizeof(*pm_info); /* diff --git a/arch/arm/mach-imx/src.c b/arch/arm/mach-imx/src.c index 70b083fe934a..495d85d0fe7e 100644 --- a/arch/arm/mach-imx/src.c +++ b/arch/arm/mach-imx/src.c @@ -99,7 +99,7 @@ void imx_enable_cpu(int cpu, bool enable) void imx_set_cpu_jump(int cpu, void *jump_addr) { cpu = cpu_logical_map(cpu); - writel_relaxed(virt_to_phys(jump_addr), + writel_relaxed(__pa_symbol(jump_addr), src_base + SRC_GPR1 + cpu * 8); } diff --git a/arch/arm/mach-mediatek/platsmp.c b/arch/arm/mach-mediatek/platsmp.c index b821e34474b6..726eb69bb655 100644 --- a/arch/arm/mach-mediatek/platsmp.c +++ b/arch/arm/mach-mediatek/platsmp.c @@ -122,7 +122,7 @@ static void __init __mtk_smp_prepare_cpus(unsigned int max_cpus, int trustzone) * write the address of slave startup address into the system-wide * jump register */ - writel_relaxed(virt_to_phys(secondary_startup_arm), + writel_relaxed(__pa_symbol(secondary_startup_arm), mtk_smp_base + mtk_smp_info->jump_reg); } diff --git a/arch/arm/mach-mvebu/pm.c b/arch/arm/mach-mvebu/pm.c index 2990c5269b18..c487be61d6d8 100644 --- a/arch/arm/mach-mvebu/pm.c +++ b/arch/arm/mach-mvebu/pm.c @@ -110,7 +110,7 @@ static void mvebu_pm_store_armadaxp_bootinfo(u32 *store_addr) { phys_addr_t resume_pc; - resume_pc = virt_to_phys(armada_370_xp_cpu_resume); + resume_pc = __pa_symbol(armada_370_xp_cpu_resume); /* * The bootloader expects the first two words to be a magic diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c index f39bd51bce18..27a78c80e5b1 100644 --- a/arch/arm/mach-mvebu/pmsu.c +++ b/arch/arm/mach-mvebu/pmsu.c @@ -112,7 +112,7 @@ static const struct of_device_id of_pmsu_table[] = { void mvebu_pmsu_set_cpu_boot_addr(int hw_cpu, void *boot_addr) { - writel(virt_to_phys(boot_addr), pmsu_mp_base + + writel(__pa_symbol(boot_addr), pmsu_mp_base + PMSU_BOOT_ADDR_REDIRECT_OFFSET(hw_cpu)); } diff --git a/arch/arm/mach-mvebu/system-controller.c b/arch/arm/mach-mvebu/system-controller.c index 76cbc82a7407..04d9ebe6a90a 100644 --- a/arch/arm/mach-mvebu/system-controller.c +++ b/arch/arm/mach-mvebu/system-controller.c @@ -153,7 +153,7 @@ void mvebu_system_controller_set_cpu_boot_addr(void *boot_addr) if (of_machine_is_compatible("marvell,armada375")) mvebu_armada375_smp_wa_init(); - writel(virt_to_phys(boot_addr), system_controller_base + + writel(__pa_symbol(boot_addr), system_controller_base + mvebu_sc->resume_boot_addr); } #endif diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c index 1662071bb2cc..bd8089ff929f 100644 --- a/arch/arm/mach-omap2/control.c +++ b/arch/arm/mach-omap2/control.c @@ -315,15 +315,15 @@ void omap3_save_scratchpad_contents(void) scratchpad_contents.boot_config_ptr = 0x0; if (cpu_is_omap3630()) scratchpad_contents.public_restore_ptr = - virt_to_phys(omap3_restore_3630); + __pa_symbol(omap3_restore_3630); else if (omap_rev() != OMAP3430_REV_ES3_0 && omap_rev() != OMAP3430_REV_ES3_1 && omap_rev() != OMAP3430_REV_ES3_1_2) scratchpad_contents.public_restore_ptr = - virt_to_phys(omap3_restore); + __pa_symbol(omap3_restore); else scratchpad_contents.public_restore_ptr = - virt_to_phys(omap3_restore_es3); + __pa_symbol(omap3_restore_es3); if (omap_type() == OMAP2_DEVICE_TYPE_GP) scratchpad_contents.secure_ram_restore_ptr = 0x0; @@ -395,7 +395,7 @@ void omap3_save_scratchpad_contents(void) sdrc_block_contents.flags = 0x0; sdrc_block_contents.block_size = 0x0; - arm_context_addr = virt_to_phys(omap3_arm_context); + arm_context_addr = __pa_symbol(omap3_arm_context); /* Copy all the contents to the scratchpad location */ scratchpad_address = OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD); diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c index 7d62ad48c7c9..113ab2dd2ee9 100644 --- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c +++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c @@ -273,7 +273,7 @@ int omap4_enter_lowpower(unsigned int cpu, unsigned int power_state) cpu_clear_prev_logic_pwrst(cpu); pwrdm_set_next_pwrst(pm_info->pwrdm, power_state); pwrdm_set_logic_retst(pm_info->pwrdm, cpu_logic_state); - set_cpu_wakeup_addr(cpu, virt_to_phys(omap_pm_ops.resume)); + set_cpu_wakeup_addr(cpu, __pa_symbol(omap_pm_ops.resume)); omap_pm_ops.scu_prepare(cpu, power_state); l2x0_pwrst_prepare(cpu, save_state); @@ -325,7 +325,7 @@ int omap4_hotplug_cpu(unsigned int cpu, unsigned int power_state) pwrdm_clear_all_prev_pwrst(pm_info->pwrdm); pwrdm_set_next_pwrst(pm_info->pwrdm, power_state); - set_cpu_wakeup_addr(cpu, virt_to_phys(omap_pm_ops.hotplug_restart)); + set_cpu_wakeup_addr(cpu, __pa_symbol(omap_pm_ops.hotplug_restart)); omap_pm_ops.scu_prepare(cpu, power_state); /* @@ -467,13 +467,13 @@ void __init omap4_mpuss_early_init(void) sar_base = omap4_get_sar_ram_base(); if (cpu_is_omap443x()) - startup_pa = virt_to_phys(omap4_secondary_startup); + startup_pa = __pa_symbol(omap4_secondary_startup); else if (cpu_is_omap446x()) - startup_pa = virt_to_phys(omap4460_secondary_startup); + startup_pa = __pa_symbol(omap4460_secondary_startup); else if ((__boot_cpu_mode & MODE_MASK) == HYP_MODE) - startup_pa = virt_to_phys(omap5_secondary_hyp_startup); + startup_pa = __pa_symbol(omap5_secondary_hyp_startup); else - startup_pa = virt_to_phys(omap5_secondary_startup); + startup_pa = __pa_symbol(omap5_secondary_startup); if (cpu_is_omap44xx()) writel_relaxed(startup_pa, sar_base + diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c index b4de3da6dffa..003353b0b794 100644 --- a/arch/arm/mach-omap2/omap-smp.c +++ b/arch/arm/mach-omap2/omap-smp.c @@ -316,9 +316,9 @@ static void __init omap4_smp_prepare_cpus(unsigned int max_cpus) * A barrier is added to ensure that write buffer is drained */ if (omap_secure_apis_support()) - omap_auxcoreboot_addr(virt_to_phys(cfg.startup_addr)); + omap_auxcoreboot_addr(__pa_symbol(cfg.startup_addr)); else - writel_relaxed(virt_to_phys(cfg.startup_addr), + writel_relaxed(__pa_symbol(cfg.startup_addr), base + OMAP_AUX_CORE_BOOT_1); } diff --git a/arch/arm/mach-omap2/omap_twl.c b/arch/arm/mach-omap2/omap_twl.c index 6bf626700557..1346b3ab34a5 100644 --- a/arch/arm/mach-omap2/omap_twl.c +++ b/arch/arm/mach-omap2/omap_twl.c @@ -1,5 +1,5 @@ /** - * OMAP and TWL PMIC specific intializations. + * OMAP and TWL PMIC specific initializations. * * Copyright (C) 2010 Texas Instruments Incorporated. * Thara Gopinath diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index 003a6cb248be..5c46ea6756d7 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -21,6 +21,7 @@ #include <linux/kernel.h> #include <linux/sched.h> +#include <linux/sched/clock.h> #include <linux/clk.h> #include <linux/err.h> #include <linux/io.h> diff --git a/arch/arm/mach-orion5x/ts78xx-setup.c b/arch/arm/mach-orion5x/ts78xx-setup.c index 8d597267d0c4..7ef80a8304c0 100644 --- a/arch/arm/mach-orion5x/ts78xx-setup.c +++ b/arch/arm/mach-orion5x/ts78xx-setup.c @@ -16,7 +16,6 @@ #include <linux/platform_device.h> #include <linux/mv643xx_eth.h> #include <linux/ata_platform.h> -#include <linux/platform_data/rtc-m48t86.h> #include <linux/mtd/nand.h> #include <linux/mtd/partitions.h> #include <linux/timeriomem-rng.h> @@ -80,79 +79,38 @@ static struct mv_sata_platform_data ts78xx_sata_data = { /***************************************************************************** * RTC M48T86 - nicked^Wborrowed from arch/arm/mach-ep93xx/ts72xx.c ****************************************************************************/ -#define TS_RTC_CTRL (TS78XX_FPGA_REGS_VIRT_BASE + 0x808) -#define TS_RTC_DATA (TS78XX_FPGA_REGS_VIRT_BASE + 0x80c) +#define TS_RTC_CTRL (TS78XX_FPGA_REGS_PHYS_BASE + 0x808) +#define TS_RTC_DATA (TS78XX_FPGA_REGS_PHYS_BASE + 0x80c) -static unsigned char ts78xx_ts_rtc_readbyte(unsigned long addr) -{ - writeb(addr, TS_RTC_CTRL); - return readb(TS_RTC_DATA); -} - -static void ts78xx_ts_rtc_writebyte(unsigned char value, unsigned long addr) -{ - writeb(addr, TS_RTC_CTRL); - writeb(value, TS_RTC_DATA); -} - -static struct m48t86_ops ts78xx_ts_rtc_ops = { - .readbyte = ts78xx_ts_rtc_readbyte, - .writebyte = ts78xx_ts_rtc_writebyte, +static struct resource ts78xx_ts_rtc_resources[] = { + DEFINE_RES_MEM(TS_RTC_CTRL, 0x01), + DEFINE_RES_MEM(TS_RTC_DATA, 0x01), }; static struct platform_device ts78xx_ts_rtc_device = { .name = "rtc-m48t86", .id = -1, - .dev = { - .platform_data = &ts78xx_ts_rtc_ops, - }, - .num_resources = 0, + .resource = ts78xx_ts_rtc_resources, + .num_resources = ARRAY_SIZE(ts78xx_ts_rtc_resources), }; -/* - * TS uses some of the user storage space on the RTC chip so see if it is - * present; as it's an optional feature at purchase time and not all boards - * will have it present - * - * I've used the method TS use in their rtc7800.c example for the detection - * - * TODO: track down a guinea pig without an RTC to see if we can work out a - * better RTC detection routine - */ static int ts78xx_ts_rtc_load(void) { int rc; - unsigned char tmp_rtc0, tmp_rtc1; - - tmp_rtc0 = ts78xx_ts_rtc_readbyte(126); - tmp_rtc1 = ts78xx_ts_rtc_readbyte(127); - - ts78xx_ts_rtc_writebyte(0x00, 126); - ts78xx_ts_rtc_writebyte(0x55, 127); - if (ts78xx_ts_rtc_readbyte(127) == 0x55) { - ts78xx_ts_rtc_writebyte(0xaa, 127); - if (ts78xx_ts_rtc_readbyte(127) == 0xaa - && ts78xx_ts_rtc_readbyte(126) == 0x00) { - ts78xx_ts_rtc_writebyte(tmp_rtc0, 126); - ts78xx_ts_rtc_writebyte(tmp_rtc1, 127); - - if (ts78xx_fpga.supports.ts_rtc.init == 0) { - rc = platform_device_register(&ts78xx_ts_rtc_device); - if (!rc) - ts78xx_fpga.supports.ts_rtc.init = 1; - } else - rc = platform_device_add(&ts78xx_ts_rtc_device); - - if (rc) - pr_info("RTC could not be registered: %d\n", - rc); - return rc; - } + + if (ts78xx_fpga.supports.ts_rtc.init == 0) { + rc = platform_device_register(&ts78xx_ts_rtc_device); + if (!rc) + ts78xx_fpga.supports.ts_rtc.init = 1; + } else { + rc = platform_device_add(&ts78xx_ts_rtc_device); } - pr_info("RTC not found\n"); - return -ENODEV; -}; + if (rc) + pr_info("RTC could not be registered: %d\n", rc); + + return rc; +} static void ts78xx_ts_rtc_unload(void) { diff --git a/arch/arm/mach-prima2/platsmp.c b/arch/arm/mach-prima2/platsmp.c index 0875b99add18..75ef5d4be554 100644 --- a/arch/arm/mach-prima2/platsmp.c +++ b/arch/arm/mach-prima2/platsmp.c @@ -65,7 +65,7 @@ static int sirfsoc_boot_secondary(unsigned int cpu, struct task_struct *idle) * waiting for. This would wake up the secondary core from WFE */ #define SIRFSOC_CPU1_JUMPADDR_OFFSET 0x2bc - __raw_writel(virt_to_phys(sirfsoc_secondary_startup), + __raw_writel(__pa_symbol(sirfsoc_secondary_startup), clk_base + SIRFSOC_CPU1_JUMPADDR_OFFSET); #define SIRFSOC_CPU1_WAKEMAGIC_OFFSET 0x2b8 diff --git a/arch/arm/mach-prima2/pm.c b/arch/arm/mach-prima2/pm.c index 83e94c95e314..b0bcf1ff02dd 100644 --- a/arch/arm/mach-prima2/pm.c +++ b/arch/arm/mach-prima2/pm.c @@ -54,7 +54,7 @@ static void sirfsoc_set_sleep_mode(u32 mode) static int sirfsoc_pre_suspend_power_off(void) { - u32 wakeup_entry = virt_to_phys(cpu_resume); + u32 wakeup_entry = __pa_symbol(cpu_resume); sirfsoc_rtc_iobrg_writel(wakeup_entry, sirfsoc_pwrc_base + SIRFSOC_PWRC_SCRATCH_PAD1); diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c index 9c308de158c6..29630061e700 100644 --- a/arch/arm/mach-pxa/palmz72.c +++ b/arch/arm/mach-pxa/palmz72.c @@ -249,7 +249,7 @@ static int palmz72_pm_suspend(void) store_ptr = *PALMZ72_SAVE_DWORD; /* Setting PSPR to a proper value */ - PSPR = virt_to_phys(&palmz72_resume_info); + PSPR = __pa_symbol(&palmz72_resume_info); return 0; } diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index c725baf119e1..ba431fad5c47 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -85,7 +85,7 @@ static void pxa25x_cpu_pm_enter(suspend_state_t state) static int pxa25x_cpu_pm_prepare(void) { /* set resume return address */ - PSPR = virt_to_phys(cpu_resume); + PSPR = __pa_symbol(cpu_resume); return 0; } diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index c0185c5c5a08..9b69be4e9fe3 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -168,7 +168,7 @@ static int pxa27x_cpu_pm_valid(suspend_state_t state) static int pxa27x_cpu_pm_prepare(void) { /* set resume return address */ - PSPR = virt_to_phys(cpu_resume); + PSPR = __pa_symbol(cpu_resume); return 0; } diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index 87acc96388c7..0cc9f124c9ac 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -123,7 +123,7 @@ static void pxa3xx_cpu_pm_suspend(void) PSPR = 0x5c014000; /* overwrite with the resume address */ - *p = virt_to_phys(cpu_resume); + *p = __pa_symbol(cpu_resume); cpu_suspend(0, pxa3xx_finish_suspend); diff --git a/arch/arm/mach-realview/platsmp-dt.c b/arch/arm/mach-realview/platsmp-dt.c index 70ca99eb52c6..c242423bf8db 100644 --- a/arch/arm/mach-realview/platsmp-dt.c +++ b/arch/arm/mach-realview/platsmp-dt.c @@ -76,7 +76,7 @@ static void __init realview_smp_prepare_cpus(unsigned int max_cpus) } /* Put the boot address in this magic register */ regmap_write(map, REALVIEW_SYS_FLAGSSET_OFFSET, - virt_to_phys(versatile_secondary_startup)); + __pa_symbol(versatile_secondary_startup)); } static const struct smp_operations realview_dt_smp_ops __initconst = { diff --git a/arch/arm/mach-rockchip/platsmp.c b/arch/arm/mach-rockchip/platsmp.c index 4d827a069d49..3abafdbdd7f4 100644 --- a/arch/arm/mach-rockchip/platsmp.c +++ b/arch/arm/mach-rockchip/platsmp.c @@ -156,7 +156,7 @@ static int rockchip_boot_secondary(unsigned int cpu, struct task_struct *idle) */ mdelay(1); /* ensure the cpus other than cpu0 to startup */ - writel(virt_to_phys(secondary_startup), sram_base_addr + 8); + writel(__pa_symbol(secondary_startup), sram_base_addr + 8); writel(0xDEADBEAF, sram_base_addr + 4); dsb_sev(); } @@ -195,7 +195,7 @@ static int __init rockchip_smp_prepare_sram(struct device_node *node) } /* set the boot function for the sram code */ - rockchip_boot_fn = virt_to_phys(secondary_startup); + rockchip_boot_fn = __pa_symbol(secondary_startup); /* copy the trampoline to sram, that runs during startup of the core */ memcpy(sram_base_addr, &rockchip_secondary_trampoline, trampoline_sz); diff --git a/arch/arm/mach-rockchip/pm.c b/arch/arm/mach-rockchip/pm.c index bee8c8051929..0592534e0b88 100644 --- a/arch/arm/mach-rockchip/pm.c +++ b/arch/arm/mach-rockchip/pm.c @@ -62,7 +62,7 @@ static inline u32 rk3288_l2_config(void) static void rk3288_config_bootdata(void) { rkpm_bootdata_cpusp = rk3288_bootram_phy + (SZ_4K - 8); - rkpm_bootdata_cpu_code = virt_to_phys(cpu_resume); + rkpm_bootdata_cpu_code = __pa_symbol(cpu_resume); rkpm_bootdata_l2ctlr_f = 1; rkpm_bootdata_l2ctlr = rk3288_l2_config(); diff --git a/arch/arm/mach-rpc/ecard.c b/arch/arm/mach-rpc/ecard.c index dc67a7fb3831..6b279d037774 100644 --- a/arch/arm/mach-rpc/ecard.c +++ b/arch/arm/mach-rpc/ecard.c @@ -31,6 +31,7 @@ #include <linux/kernel.h> #include <linux/types.h> #include <linux/sched.h> +#include <linux/sched/mm.h> #include <linux/interrupt.h> #include <linux/completion.h> #include <linux/reboot.h> diff --git a/arch/arm/mach-s3c24xx/mach-jive.c b/arch/arm/mach-s3c24xx/mach-jive.c index 895aca225952..f5b5c49b56ac 100644 --- a/arch/arm/mach-s3c24xx/mach-jive.c +++ b/arch/arm/mach-s3c24xx/mach-jive.c @@ -484,7 +484,7 @@ static int jive_pm_suspend(void) * correct address to resume from. */ __raw_writel(0x2BED, S3C2412_INFORM0); - __raw_writel(virt_to_phys(s3c_cpu_resume), S3C2412_INFORM1); + __raw_writel(__pa_symbol(s3c_cpu_resume), S3C2412_INFORM1); return 0; } diff --git a/arch/arm/mach-s3c24xx/pm-s3c2410.c b/arch/arm/mach-s3c24xx/pm-s3c2410.c index 20e481d8a33a..a4588daeddb0 100644 --- a/arch/arm/mach-s3c24xx/pm-s3c2410.c +++ b/arch/arm/mach-s3c24xx/pm-s3c2410.c @@ -45,7 +45,7 @@ static void s3c2410_pm_prepare(void) { /* ensure at least GSTATUS3 has the resume address */ - __raw_writel(virt_to_phys(s3c_cpu_resume), S3C2410_GSTATUS3); + __raw_writel(__pa_symbol(s3c_cpu_resume), S3C2410_GSTATUS3); S3C_PMDBG("GSTATUS3 0x%08x\n", __raw_readl(S3C2410_GSTATUS3)); S3C_PMDBG("GSTATUS4 0x%08x\n", __raw_readl(S3C2410_GSTATUS4)); diff --git a/arch/arm/mach-s3c24xx/pm-s3c2416.c b/arch/arm/mach-s3c24xx/pm-s3c2416.c index c0e328e37bd6..b5bbf0d5985c 100644 --- a/arch/arm/mach-s3c24xx/pm-s3c2416.c +++ b/arch/arm/mach-s3c24xx/pm-s3c2416.c @@ -48,7 +48,7 @@ static void s3c2416_pm_prepare(void) * correct address to resume from. */ __raw_writel(0x2BED, S3C2412_INFORM0); - __raw_writel(virt_to_phys(s3c_cpu_resume), S3C2412_INFORM1); + __raw_writel(__pa_symbol(s3c_cpu_resume), S3C2412_INFORM1); } static int s3c2416_pm_add(struct device *dev, struct subsys_interface *sif) diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c index b0be382ff6bb..2f579be8fe67 100644 --- a/arch/arm/mach-s3c64xx/pm.c +++ b/arch/arm/mach-s3c64xx/pm.c @@ -304,7 +304,7 @@ static void s3c64xx_pm_prepare(void) wake_irqs, ARRAY_SIZE(wake_irqs)); /* store address of resume. */ - __raw_writel(virt_to_phys(s3c_cpu_resume), S3C64XX_INFORM0); + __raw_writel(__pa_symbol(s3c_cpu_resume), S3C64XX_INFORM0); /* ensure previous wakeup state is cleared before sleeping */ __raw_writel(__raw_readl(S3C64XX_WAKEUP_STAT), S3C64XX_WAKEUP_STAT); diff --git a/arch/arm/mach-s5pv210/pm.c b/arch/arm/mach-s5pv210/pm.c index 7d69666de5ba..07cee14a363b 100644 --- a/arch/arm/mach-s5pv210/pm.c +++ b/arch/arm/mach-s5pv210/pm.c @@ -69,7 +69,7 @@ static void s5pv210_pm_prepare(void) __raw_writel(s5pv210_irqwake_intmask, S5P_WAKEUP_MASK); /* ensure at least INFORM0 has the resume address */ - __raw_writel(virt_to_phys(s5pv210_cpu_resume), S5P_INFORM0); + __raw_writel(__pa_symbol(s5pv210_cpu_resume), S5P_INFORM0); tmp = __raw_readl(S5P_SLEEP_CFG); tmp &= ~(S5P_SLEEP_CFG_OSC_EN | S5P_SLEEP_CFG_USBOSC_EN); diff --git a/arch/arm/mach-sa1100/pm.c b/arch/arm/mach-sa1100/pm.c index 34853d5dfda2..9a7079f565bd 100644 --- a/arch/arm/mach-sa1100/pm.c +++ b/arch/arm/mach-sa1100/pm.c @@ -73,7 +73,7 @@ static int sa11x0_pm_enter(suspend_state_t state) RCSR = RCSR_HWR | RCSR_SWR | RCSR_WDR | RCSR_SMR; /* set resume return address */ - PSPR = virt_to_phys(cpu_resume); + PSPR = __pa_symbol(cpu_resume); /* go zzz */ cpu_suspend(0, sa1100_finish_suspend); diff --git a/arch/arm/mach-shmobile/platsmp-apmu.c b/arch/arm/mach-shmobile/platsmp-apmu.c index e19266844e16..3ca2c13346f0 100644 --- a/arch/arm/mach-shmobile/platsmp-apmu.c +++ b/arch/arm/mach-shmobile/platsmp-apmu.c @@ -190,7 +190,7 @@ static void apmu_parse_dt(void (*fn)(struct resource *res, int cpu, int bit)) static void __init shmobile_smp_apmu_setup_boot(void) { /* install boot code shared by all CPUs */ - shmobile_boot_fn = virt_to_phys(shmobile_smp_boot); + shmobile_boot_fn = __pa_symbol(shmobile_smp_boot); } void __init shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus, @@ -204,7 +204,7 @@ void __init shmobile_smp_apmu_prepare_cpus(unsigned int max_cpus, int shmobile_smp_apmu_boot_secondary(unsigned int cpu, struct task_struct *idle) { /* For this particular CPU register boot vector */ - shmobile_smp_hook(cpu, virt_to_phys(secondary_startup), 0); + shmobile_smp_hook(cpu, __pa_symbol(secondary_startup), 0); return apmu_wrap(cpu, apmu_power_on); } @@ -308,7 +308,7 @@ int shmobile_smp_apmu_cpu_kill(unsigned int cpu) #if defined(CONFIG_SUSPEND) static int shmobile_smp_apmu_do_suspend(unsigned long cpu) { - shmobile_smp_hook(cpu, virt_to_phys(cpu_resume), 0); + shmobile_smp_hook(cpu, __pa_symbol(cpu_resume), 0); shmobile_smp_apmu_cpu_shutdown(cpu); cpu_do_idle(); /* WFI selects Core Standby */ return 1; diff --git a/arch/arm/mach-shmobile/platsmp-scu.c b/arch/arm/mach-shmobile/platsmp-scu.c index d1ecaf37d142..f1a1efde4beb 100644 --- a/arch/arm/mach-shmobile/platsmp-scu.c +++ b/arch/arm/mach-shmobile/platsmp-scu.c @@ -24,7 +24,7 @@ static void __iomem *shmobile_scu_base; static int shmobile_scu_cpu_prepare(unsigned int cpu) { /* For this particular CPU register SCU SMP boot vector */ - shmobile_smp_hook(cpu, virt_to_phys(shmobile_boot_scu), + shmobile_smp_hook(cpu, __pa_symbol(shmobile_boot_scu), shmobile_scu_base_phys); return 0; } @@ -33,7 +33,7 @@ void __init shmobile_smp_scu_prepare_cpus(phys_addr_t scu_base_phys, unsigned int max_cpus) { /* install boot code shared by all CPUs */ - shmobile_boot_fn = virt_to_phys(shmobile_smp_boot); + shmobile_boot_fn = __pa_symbol(shmobile_smp_boot); /* enable SCU and cache coherency on booting CPU */ shmobile_scu_base_phys = scu_base_phys; diff --git a/arch/arm/mach-socfpga/platsmp.c b/arch/arm/mach-socfpga/platsmp.c index 07945748b571..0ee76772b507 100644 --- a/arch/arm/mach-socfpga/platsmp.c +++ b/arch/arm/mach-socfpga/platsmp.c @@ -40,7 +40,7 @@ static int socfpga_boot_secondary(unsigned int cpu, struct task_struct *idle) memcpy(phys_to_virt(0), &secondary_trampoline, trampoline_size); - writel(virt_to_phys(secondary_startup), + writel(__pa_symbol(secondary_startup), sys_manager_base_addr + (socfpga_cpu1start_addr & 0x000000ff)); flush_cache_all(); @@ -63,7 +63,7 @@ static int socfpga_a10_boot_secondary(unsigned int cpu, struct task_struct *idle SOCFPGA_A10_RSTMGR_MODMPURST); memcpy(phys_to_virt(0), &secondary_trampoline, trampoline_size); - writel(virt_to_phys(secondary_startup), + writel(__pa_symbol(secondary_startup), sys_manager_base_addr + (socfpga_cpu1start_addr & 0x00000fff)); flush_cache_all(); diff --git a/arch/arm/mach-spear/platsmp.c b/arch/arm/mach-spear/platsmp.c index 8d1e2d551786..39038a03836a 100644 --- a/arch/arm/mach-spear/platsmp.c +++ b/arch/arm/mach-spear/platsmp.c @@ -117,7 +117,7 @@ static void __init spear13xx_smp_prepare_cpus(unsigned int max_cpus) * (presently it is in SRAM). The BootMonitor waits until it receives a * soft interrupt, and then the secondary CPU branches to this address. */ - __raw_writel(virt_to_phys(spear13xx_secondary_startup), SYS_LOCATION); + __raw_writel(__pa_symbol(spear13xx_secondary_startup), SYS_LOCATION); } const struct smp_operations spear13xx_smp_ops __initconst = { diff --git a/arch/arm/mach-sti/platsmp.c b/arch/arm/mach-sti/platsmp.c index ea5a2277ee46..231f19e17436 100644 --- a/arch/arm/mach-sti/platsmp.c +++ b/arch/arm/mach-sti/platsmp.c @@ -103,7 +103,7 @@ static void __init sti_smp_prepare_cpus(unsigned int max_cpus) u32 __iomem *cpu_strt_ptr; u32 release_phys; int cpu; - unsigned long entry_pa = virt_to_phys(sti_secondary_startup); + unsigned long entry_pa = __pa_symbol(sti_secondary_startup); np = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-scu"); diff --git a/arch/arm/mach-sunxi/platsmp.c b/arch/arm/mach-sunxi/platsmp.c index 6642267812c9..8fb5088464db 100644 --- a/arch/arm/mach-sunxi/platsmp.c +++ b/arch/arm/mach-sunxi/platsmp.c @@ -80,7 +80,7 @@ static int sun6i_smp_boot_secondary(unsigned int cpu, spin_lock(&cpu_lock); /* Set CPU boot address */ - writel(virt_to_phys(secondary_startup), + writel(__pa_symbol(secondary_startup), cpucfg_membase + CPUCFG_PRIVATE0_REG); /* Assert the CPU core in reset */ @@ -162,7 +162,7 @@ static int sun8i_smp_boot_secondary(unsigned int cpu, spin_lock(&cpu_lock); /* Set CPU boot address */ - writel(virt_to_phys(secondary_startup), + writel(__pa_symbol(secondary_startup), cpucfg_membase + CPUCFG_PRIVATE0_REG); /* Assert the CPU core in reset */ diff --git a/arch/arm/mach-tango/platsmp.c b/arch/arm/mach-tango/platsmp.c index 98c62a4a8623..2f0c6c050fed 100644 --- a/arch/arm/mach-tango/platsmp.c +++ b/arch/arm/mach-tango/platsmp.c @@ -5,7 +5,7 @@ static int tango_boot_secondary(unsigned int cpu, struct task_struct *idle) { - tango_set_aux_boot_addr(virt_to_phys(secondary_startup)); + tango_set_aux_boot_addr(__pa_symbol(secondary_startup)); tango_start_aux_core(cpu); return 0; } diff --git a/arch/arm/mach-tango/pm.c b/arch/arm/mach-tango/pm.c index b05c6d6f99d0..406c0814eb6e 100644 --- a/arch/arm/mach-tango/pm.c +++ b/arch/arm/mach-tango/pm.c @@ -5,7 +5,7 @@ static int tango_pm_powerdown(unsigned long arg) { - tango_suspend(virt_to_phys(cpu_resume)); + tango_suspend(__pa_symbol(cpu_resume)); return -EIO; /* tango_suspend has failed */ } diff --git a/arch/arm/mach-tegra/reset.c b/arch/arm/mach-tegra/reset.c index 6fd9db54887e..dc558892753c 100644 --- a/arch/arm/mach-tegra/reset.c +++ b/arch/arm/mach-tegra/reset.c @@ -94,14 +94,14 @@ void __init tegra_cpu_reset_handler_init(void) __tegra_cpu_reset_handler_data[TEGRA_RESET_MASK_PRESENT] = *((u32 *)cpu_possible_mask); __tegra_cpu_reset_handler_data[TEGRA_RESET_STARTUP_SECONDARY] = - virt_to_phys((void *)secondary_startup); + __pa_symbol((void *)secondary_startup); #endif #ifdef CONFIG_PM_SLEEP __tegra_cpu_reset_handler_data[TEGRA_RESET_STARTUP_LP1] = TEGRA_IRAM_LPx_RESUME_AREA; __tegra_cpu_reset_handler_data[TEGRA_RESET_STARTUP_LP2] = - virt_to_phys((void *)tegra_resume); + __pa_symbol((void *)tegra_resume); #endif tegra_cpu_reset_handler_enable(); diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c index 19c165aeecd2..69c2361ca688 100644 --- a/arch/arm/mach-ux500/platsmp.c +++ b/arch/arm/mach-ux500/platsmp.c @@ -77,7 +77,7 @@ static int ux500_boot_secondary(unsigned int cpu, struct task_struct *idle) * backup ram register at offset 0x1FF0, which is what boot rom code * is waiting for. This will wake up the secondary core from WFE. */ - writel(virt_to_phys(secondary_startup), + writel(__pa_symbol(secondary_startup), backupram + UX500_CPU1_JUMPADDR_OFFSET); writel(0xA1FEED01, backupram + UX500_CPU1_WAKEMAGIC_OFFSET); diff --git a/arch/arm/mach-vexpress/dcscb.c b/arch/arm/mach-vexpress/dcscb.c index 5cedcf572104..ee2a0faafaa1 100644 --- a/arch/arm/mach-vexpress/dcscb.c +++ b/arch/arm/mach-vexpress/dcscb.c @@ -166,7 +166,7 @@ static int __init dcscb_init(void) * Future entries into the kernel can now go * through the cluster entry vectors. */ - vexpress_flags_set(virt_to_phys(mcpm_entry_point)); + vexpress_flags_set(__pa_symbol(mcpm_entry_point)); return 0; } diff --git a/arch/arm/mach-vexpress/platsmp.c b/arch/arm/mach-vexpress/platsmp.c index 98e29dee91e8..742499bac6d0 100644 --- a/arch/arm/mach-vexpress/platsmp.c +++ b/arch/arm/mach-vexpress/platsmp.c @@ -79,7 +79,7 @@ static void __init vexpress_smp_dt_prepare_cpus(unsigned int max_cpus) * until it receives a soft interrupt, and then the * secondary CPU branches to this address. */ - vexpress_flags_set(virt_to_phys(versatile_secondary_startup)); + vexpress_flags_set(__pa_symbol(versatile_secondary_startup)); } const struct smp_operations vexpress_smp_dt_ops __initconst = { diff --git a/arch/arm/mach-vexpress/tc2_pm.c b/arch/arm/mach-vexpress/tc2_pm.c index 1aa4ccece69f..9b5f3c427086 100644 --- a/arch/arm/mach-vexpress/tc2_pm.c +++ b/arch/arm/mach-vexpress/tc2_pm.c @@ -54,7 +54,7 @@ static int tc2_pm_cpu_powerup(unsigned int cpu, unsigned int cluster) if (cluster >= TC2_CLUSTERS || cpu >= tc2_nr_cpus[cluster]) return -EINVAL; ve_spc_set_resume_addr(cluster, cpu, - virt_to_phys(mcpm_entry_point)); + __pa_symbol(mcpm_entry_point)); ve_spc_cpu_wakeup_irq(cluster, cpu, true); return 0; } @@ -159,7 +159,7 @@ static int tc2_pm_wait_for_powerdown(unsigned int cpu, unsigned int cluster) static void tc2_pm_cpu_suspend_prepare(unsigned int cpu, unsigned int cluster) { - ve_spc_set_resume_addr(cluster, cpu, virt_to_phys(mcpm_entry_point)); + ve_spc_set_resume_addr(cluster, cpu, __pa_symbol(mcpm_entry_point)); } static void tc2_pm_cpu_is_up(unsigned int cpu, unsigned int cluster) diff --git a/arch/arm/mach-zx/platsmp.c b/arch/arm/mach-zx/platsmp.c index 0297f92084e0..afb9a82dedc3 100644 --- a/arch/arm/mach-zx/platsmp.c +++ b/arch/arm/mach-zx/platsmp.c @@ -76,7 +76,7 @@ void __init zx_smp_prepare_cpus(unsigned int max_cpus) * until it receives a soft interrupt, and then the * secondary CPU branches to this address. */ - __raw_writel(virt_to_phys(zx_secondary_startup), + __raw_writel(__pa_symbol(zx_secondary_startup), aonsysctrl_base + AON_SYS_CTRL_RESERVED1); iounmap(aonsysctrl_base); @@ -94,7 +94,7 @@ void __init zx_smp_prepare_cpus(unsigned int max_cpus) /* Map the first 4 KB IRAM for suspend usage */ sys_iram = __arm_ioremap_exec(ZX_IRAM_BASE, PAGE_SIZE, false); - zx_secondary_startup_pa = virt_to_phys(zx_secondary_startup); + zx_secondary_startup_pa = __pa_symbol(zx_secondary_startup); fncpy(sys_iram, &zx_resume_jump, zx_suspend_iram_sz); } diff --git a/arch/arm/mach-zynq/platsmp.c b/arch/arm/mach-zynq/platsmp.c index 7cd9865bdeb7..caa6d5fe9078 100644 --- a/arch/arm/mach-zynq/platsmp.c +++ b/arch/arm/mach-zynq/platsmp.c @@ -89,7 +89,7 @@ EXPORT_SYMBOL(zynq_cpun_start); static int zynq_boot_secondary(unsigned int cpu, struct task_struct *idle) { - return zynq_cpun_start(virt_to_phys(secondary_startup), cpu); + return zynq_cpun_start(__pa_symbol(secondary_startup), cpu); } /* diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 35e3a56e5d86..c6c4c9c8824b 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -29,6 +29,7 @@ config CPU_ARM720T select CPU_COPY_V4WT if MMU select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_V4WT if MMU help A 32-bit RISC processor with 8kByte Cache, Write Buffer and @@ -46,6 +47,7 @@ config CPU_ARM740T select CPU_CACHE_V4 select CPU_CP15_MPU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE help A 32-bit RISC processor with 8KB cache or 4KB variants, write buffer and MPU(Protection Unit) built around @@ -79,6 +81,7 @@ config CPU_ARM920T select CPU_COPY_V4WB if MMU select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_V4WBI if MMU help The ARM920T is licensed to be produced by numerous vendors, @@ -97,6 +100,7 @@ config CPU_ARM922T select CPU_COPY_V4WB if MMU select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_V4WBI if MMU help The ARM922T is a version of the ARM920T, but with smaller @@ -116,6 +120,7 @@ config CPU_ARM925T select CPU_COPY_V4WB if MMU select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_V4WBI if MMU help The ARM925T is a mix between the ARM920T and ARM926T, but with @@ -134,6 +139,7 @@ config CPU_ARM926T select CPU_COPY_V4WB if MMU select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_V4WBI if MMU help This is a variant of the ARM920. It has slightly different @@ -170,6 +176,7 @@ config CPU_ARM940T select CPU_CACHE_VIVT select CPU_CP15_MPU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE help ARM940T is a member of the ARM9TDMI family of general- purpose microprocessors with MPU and separate 4KB @@ -188,6 +195,7 @@ config CPU_ARM946E select CPU_CACHE_VIVT select CPU_CP15_MPU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE help ARM946E-S is a member of the ARM9E-S family of high- performance, 32-bit system-on-chip processor solutions. @@ -206,6 +214,7 @@ config CPU_ARM1020 select CPU_COPY_V4WB if MMU select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_V4WBI if MMU help The ARM1020 is the 32K cached version of the ARM10 processor, @@ -225,6 +234,7 @@ config CPU_ARM1020E select CPU_COPY_V4WB if MMU select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_V4WBI if MMU # ARM1022E @@ -236,6 +246,7 @@ config CPU_ARM1022 select CPU_COPY_V4WB if MMU # can probably do better select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_V4WBI if MMU help The ARM1022E is an implementation of the ARMv5TE architecture @@ -254,6 +265,7 @@ config CPU_ARM1026 select CPU_COPY_V4WB if MMU # can probably do better select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_V4WBI if MMU help The ARM1026EJ-S is an implementation of the ARMv5TEJ architecture @@ -302,6 +314,7 @@ config CPU_XSCALE select CPU_CACHE_VIVT select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_V4WBI if MMU # XScale Core Version 3 @@ -312,6 +325,7 @@ config CPU_XSC3 select CPU_CACHE_VIVT select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_V4WBI if MMU select IO_36 @@ -324,6 +338,7 @@ config CPU_MOHAWK select CPU_COPY_V4WB if MMU select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_V4WBI if MMU # Feroceon @@ -335,6 +350,7 @@ config CPU_FEROCEON select CPU_COPY_FEROCEON if MMU select CPU_CP15_MMU select CPU_PABRT_LEGACY + select CPU_THUMB_CAPABLE select CPU_TLB_FEROCEON if MMU config CPU_FEROCEON_OLD_ID @@ -367,6 +383,7 @@ config CPU_V6 select CPU_CP15_MMU select CPU_HAS_ASID if MMU select CPU_PABRT_V6 + select CPU_THUMB_CAPABLE select CPU_TLB_V6 if MMU # ARMv6k @@ -381,6 +398,7 @@ config CPU_V6K select CPU_CP15_MMU select CPU_HAS_ASID if MMU select CPU_PABRT_V6 + select CPU_THUMB_CAPABLE select CPU_TLB_V6 if MMU # ARMv7 @@ -396,6 +414,7 @@ config CPU_V7 select CPU_CP15_MPU if !MMU select CPU_HAS_ASID if MMU select CPU_PABRT_V7 + select CPU_THUMB_CAPABLE select CPU_TLB_V7 if MMU # ARMv7M @@ -410,11 +429,17 @@ config CPU_V7M config CPU_THUMBONLY bool + select CPU_THUMB_CAPABLE # There are no CPUs available with MMU that don't implement an ARM ISA: depends on !MMU help Select this if your CPU doesn't support the 32 bit ARM instructions. +config CPU_THUMB_CAPABLE + bool + help + Select this if your CPU can support Thumb mode. + # Figure out what processor architecture version we should be using. # This defines the compiler instruction set which depends on the machine type. config CPU_32v3 @@ -655,11 +680,7 @@ config ARCH_DMA_ADDR_T_64BIT config ARM_THUMB bool "Support Thumb user binaries" if !CPU_THUMBONLY - depends on CPU_ARM720T || CPU_ARM740T || CPU_ARM920T || CPU_ARM922T || \ - CPU_ARM925T || CPU_ARM926T || CPU_ARM940T || CPU_ARM946E || \ - CPU_ARM1020 || CPU_ARM1020E || CPU_ARM1022 || CPU_ARM1026 || \ - CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_V6 || CPU_V6K || \ - CPU_V7 || CPU_FEROCEON || CPU_V7M + depends on CPU_THUMB_CAPABLE default y help Say Y if you want to include kernel support for running user space diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile index e8698241ece9..b3dea80715b4 100644 --- a/arch/arm/mm/Makefile +++ b/arch/arm/mm/Makefile @@ -14,6 +14,7 @@ endif obj-$(CONFIG_ARM_PTDUMP) += dump.o obj-$(CONFIG_MODULES) += proc-syms.o +obj-$(CONFIG_DEBUG_VIRTUAL) += physaddr.o obj-$(CONFIG_ALIGNMENT_TRAP) += alignment.o obj-$(CONFIG_HIGHMEM) += highmem.o diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index 7d5f4c736a16..2c96190e018b 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c @@ -14,12 +14,13 @@ #include <linux/moduleparam.h> #include <linux/compiler.h> #include <linux/kernel.h> +#include <linux/sched/debug.h> #include <linux/errno.h> #include <linux/string.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/init.h> -#include <linux/sched.h> +#include <linux/sched/signal.h> #include <linux/uaccess.h> #include <asm/cp15.h> diff --git a/arch/arm/mm/cache-uniphier.c b/arch/arm/mm/cache-uniphier.c index dfe97b409916..f57b080b6fd4 100644 --- a/arch/arm/mm/cache-uniphier.c +++ b/arch/arm/mm/cache-uniphier.c @@ -15,6 +15,7 @@ #define pr_fmt(fmt) "uniphier: " fmt +#include <linux/bitops.h> #include <linux/init.h> #include <linux/io.h> #include <linux/log2.h> @@ -71,8 +72,7 @@ * @ctrl_base: virtual base address of control registers * @rev_base: virtual base address of revision registers * @op_base: virtual base address of operation registers - * @way_present_mask: each bit specifies if the way is present - * @way_locked_mask: each bit specifies if the way is locked + * @way_mask: each bit specifies if the way is present * @nsets: number of associativity sets * @line_size: line size in bytes * @range_op_max_size: max size that can be handled by a single range operation @@ -83,8 +83,7 @@ struct uniphier_cache_data { void __iomem *rev_base; void __iomem *op_base; void __iomem *way_ctrl_base; - u32 way_present_mask; - u32 way_locked_mask; + u32 way_mask; u32 nsets; u32 line_size; u32 range_op_max_size; @@ -234,17 +233,13 @@ static void __uniphier_cache_enable(struct uniphier_cache_data *data, bool on) writel_relaxed(val, data->ctrl_base + UNIPHIER_SSCC); } -static void __init __uniphier_cache_set_locked_ways( - struct uniphier_cache_data *data, - u32 way_mask) +static void __init __uniphier_cache_set_active_ways( + struct uniphier_cache_data *data) { unsigned int cpu; - data->way_locked_mask = way_mask & data->way_present_mask; - for_each_possible_cpu(cpu) - writel_relaxed(~data->way_locked_mask & data->way_present_mask, - data->way_ctrl_base + 4 * cpu); + writel_relaxed(data->way_mask, data->way_ctrl_base + 4 * cpu); } static void uniphier_cache_maint_range(unsigned long start, unsigned long end, @@ -307,7 +302,7 @@ static void __init uniphier_cache_enable(void) list_for_each_entry(data, &uniphier_cache_list, list) { __uniphier_cache_enable(data, true); - __uniphier_cache_set_locked_ways(data, 0); + __uniphier_cache_set_active_ways(data); } } @@ -382,8 +377,8 @@ static int __init __uniphier_cache_init(struct device_node *np, goto err; } - data->way_present_mask = - ((u32)1 << cache_size / data->nsets / data->line_size) - 1; + data->way_mask = GENMASK(cache_size / data->nsets / data->line_size - 1, + 0); data->ctrl_base = of_iomap(np, 0); if (!data->ctrl_base) { diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index a134d8a13d00..de78109d002d 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -164,7 +164,7 @@ skip: cmp r3, r10 bgt flush_levels finished: - mov r10, #0 @ swith back to cache level 0 + mov r10, #0 @ switch back to cache level 0 mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr dsb st isb diff --git a/arch/arm/mm/cache-v7m.S b/arch/arm/mm/cache-v7m.S index 816a7e44e6f1..788486e830d3 100644 --- a/arch/arm/mm/cache-v7m.S +++ b/arch/arm/mm/cache-v7m.S @@ -217,7 +217,7 @@ skip: cmp r3, r10 bgt flush_levels finished: - mov r10, #0 @ swith back to cache level 0 + mov r10, #0 @ switch back to cache level 0 write_csselr r10, r3 @ select current cache level in cssr dsb st isb diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 82d3e79ec82b..63eabb06f9f1 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -180,7 +180,7 @@ static void arm_dma_sync_single_for_device(struct device *dev, __dma_page_cpu_to_dev(page, offset, size, dir); } -struct dma_map_ops arm_dma_ops = { +const struct dma_map_ops arm_dma_ops = { .alloc = arm_dma_alloc, .free = arm_dma_free, .mmap = arm_dma_mmap, @@ -204,7 +204,7 @@ static int arm_coherent_dma_mmap(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, dma_addr_t dma_addr, size_t size, unsigned long attrs); -struct dma_map_ops arm_coherent_dma_ops = { +const struct dma_map_ops arm_coherent_dma_ops = { .alloc = arm_coherent_dma_alloc, .free = arm_coherent_dma_free, .mmap = arm_coherent_dma_mmap, @@ -349,7 +349,7 @@ static void __dma_free_buffer(struct page *page, size_t size) static void *__alloc_from_contiguous(struct device *dev, size_t size, pgprot_t prot, struct page **ret_page, const void *caller, bool want_vaddr, - int coherent_flag); + int coherent_flag, gfp_t gfp); static void *__alloc_remap_buffer(struct device *dev, size_t size, gfp_t gfp, pgprot_t prot, struct page **ret_page, @@ -420,7 +420,8 @@ static int __init atomic_pool_init(void) */ if (dev_get_cma_area(NULL)) ptr = __alloc_from_contiguous(NULL, atomic_pool_size, prot, - &page, atomic_pool_init, true, NORMAL); + &page, atomic_pool_init, true, NORMAL, + GFP_KERNEL); else ptr = __alloc_remap_buffer(NULL, atomic_pool_size, gfp, prot, &page, atomic_pool_init, true); @@ -594,14 +595,14 @@ static int __free_from_pool(void *start, size_t size) static void *__alloc_from_contiguous(struct device *dev, size_t size, pgprot_t prot, struct page **ret_page, const void *caller, bool want_vaddr, - int coherent_flag) + int coherent_flag, gfp_t gfp) { unsigned long order = get_order(size); size_t count = size >> PAGE_SHIFT; struct page *page; void *ptr = NULL; - page = dma_alloc_from_contiguous(dev, count, order); + page = dma_alloc_from_contiguous(dev, count, order, gfp); if (!page) return NULL; @@ -655,7 +656,7 @@ static inline pgprot_t __get_dma_pgprot(unsigned long attrs, pgprot_t prot) #define __get_dma_pgprot(attrs, prot) __pgprot(0) #define __alloc_remap_buffer(dev, size, gfp, prot, ret, c, wv) NULL #define __alloc_from_pool(size, ret_page) NULL -#define __alloc_from_contiguous(dev, size, prot, ret, c, wv, coherent_flag) NULL +#define __alloc_from_contiguous(dev, size, prot, ret, c, wv, coherent_flag, gfp) NULL #define __free_from_pool(cpu_addr, size) do { } while (0) #define __free_from_contiguous(dev, page, cpu_addr, size, wv) do { } while (0) #define __dma_free_remap(cpu_addr, size) do { } while (0) @@ -697,7 +698,8 @@ static void *cma_allocator_alloc(struct arm_dma_alloc_args *args, { return __alloc_from_contiguous(args->dev, args->size, args->prot, ret_page, args->caller, - args->want_vaddr, args->coherent_flag); + args->want_vaddr, args->coherent_flag, + args->gfp); } static void cma_allocator_free(struct arm_dma_free_args *args) @@ -868,6 +870,9 @@ static int __arm_dma_mmap(struct device *dev, struct vm_area_struct *vma, vma->vm_end - vma->vm_start, vma->vm_page_prot); } +#else + ret = vm_iomap_memory(vma, vma->vm_start, + (vma->vm_end - vma->vm_start)); #endif /* CONFIG_MMU */ return ret; @@ -1067,7 +1072,7 @@ static void __dma_page_dev_to_cpu(struct page *page, unsigned long off, int arm_dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir, unsigned long attrs) { - struct dma_map_ops *ops = get_dma_ops(dev); + const struct dma_map_ops *ops = get_dma_ops(dev); struct scatterlist *s; int i, j; @@ -1101,7 +1106,7 @@ int arm_dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, void arm_dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir, unsigned long attrs) { - struct dma_map_ops *ops = get_dma_ops(dev); + const struct dma_map_ops *ops = get_dma_ops(dev); struct scatterlist *s; int i; @@ -1120,7 +1125,7 @@ void arm_dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nents, void arm_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir) { - struct dma_map_ops *ops = get_dma_ops(dev); + const struct dma_map_ops *ops = get_dma_ops(dev); struct scatterlist *s; int i; @@ -1139,7 +1144,7 @@ void arm_dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, void arm_dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir) { - struct dma_map_ops *ops = get_dma_ops(dev); + const struct dma_map_ops *ops = get_dma_ops(dev); struct scatterlist *s; int i; @@ -1312,7 +1317,7 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size, unsigned long order = get_order(size); struct page *page; - page = dma_alloc_from_contiguous(dev, count, order); + page = dma_alloc_from_contiguous(dev, count, order, gfp); if (!page) goto error; @@ -2099,7 +2104,7 @@ static void arm_iommu_sync_single_for_device(struct device *dev, __dma_page_cpu_to_dev(page, offset, size, dir); } -struct dma_map_ops iommu_ops = { +const struct dma_map_ops iommu_ops = { .alloc = arm_iommu_alloc_attrs, .free = arm_iommu_free_attrs, .mmap = arm_iommu_mmap_attrs, @@ -2119,7 +2124,7 @@ struct dma_map_ops iommu_ops = { .unmap_resource = arm_iommu_unmap_resource, }; -struct dma_map_ops iommu_coherent_ops = { +const struct dma_map_ops iommu_coherent_ops = { .alloc = arm_coherent_iommu_alloc_attrs, .free = arm_coherent_iommu_free_attrs, .mmap = arm_coherent_iommu_mmap_attrs, @@ -2319,7 +2324,7 @@ void arm_iommu_detach_device(struct device *dev) } EXPORT_SYMBOL_GPL(arm_iommu_detach_device); -static struct dma_map_ops *arm_get_iommu_dma_map_ops(bool coherent) +static const struct dma_map_ops *arm_get_iommu_dma_map_ops(bool coherent) { return coherent ? &iommu_coherent_ops : &iommu_ops; } @@ -2374,7 +2379,7 @@ static void arm_teardown_iommu_dma_ops(struct device *dev) { } #endif /* CONFIG_ARM_DMA_USE_IOMMU */ -static struct dma_map_ops *arm_get_dma_map_ops(bool coherent) +static const struct dma_map_ops *arm_get_dma_map_ops(bool coherent) { return coherent ? &arm_coherent_dma_ops : &arm_dma_ops; } @@ -2382,7 +2387,7 @@ static struct dma_map_ops *arm_get_dma_map_ops(bool coherent) void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size, const struct iommu_ops *iommu, bool coherent) { - struct dma_map_ops *dma_ops; + const struct dma_map_ops *dma_ops; dev->archdata.dma_coherent = coherent; if (arm_setup_iommu_dma_ops(dev, dma_base, size, iommu)) diff --git a/arch/arm/mm/dump.c b/arch/arm/mm/dump.c index 9fe8e241335c..21192d6eda40 100644 --- a/arch/arm/mm/dump.c +++ b/arch/arm/mm/dump.c @@ -18,6 +18,7 @@ #include <linux/seq_file.h> #include <asm/fixmap.h> +#include <asm/memory.h> #include <asm/pgtable.h> struct addr_marker { @@ -31,8 +32,8 @@ static struct addr_marker address_markers[] = { { 0, "vmalloc() Area" }, { VMALLOC_END, "vmalloc() End" }, { FIXADDR_START, "Fixmap Area" }, - { CONFIG_VECTORS_BASE, "Vectors" }, - { CONFIG_VECTORS_BASE + PAGE_SIZE * 2, "Vectors End" }, + { VECTORS_BASE, "Vectors" }, + { VECTORS_BASE + PAGE_SIZE * 2, "Vectors End" }, { -1, NULL }, }; diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c index c2b5b9892fd1..ff8b0aa2dfde 100644 --- a/arch/arm/mm/fault.c +++ b/arch/arm/mm/fault.c @@ -16,7 +16,8 @@ #include <linux/kprobes.h> #include <linux/uaccess.h> #include <linux/page-flags.h> -#include <linux/sched.h> +#include <linux/sched/signal.h> +#include <linux/sched/debug.h> #include <linux/highmem.h> #include <linux/perf_event.h> diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 3cced8455727..f1e6190aa7ea 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -327,6 +327,12 @@ void flush_dcache_page(struct page *page) if (page == ZERO_PAGE(0)) return; + if (!cache_ops_need_broadcast() && cache_is_vipt_nonaliasing()) { + if (test_bit(PG_dcache_clean, &page->flags)) + clear_bit(PG_dcache_clean, &page->flags); + return; + } + mapping = page_mapping(page); if (!cache_ops_need_broadcast() && diff --git a/arch/arm/mm/idmap.c b/arch/arm/mm/idmap.c index c1a48f88764e..3e511bec69b8 100644 --- a/arch/arm/mm/idmap.c +++ b/arch/arm/mm/idmap.c @@ -1,6 +1,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/slab.h> +#include <linux/mm_types.h> #include <asm/cputype.h> #include <asm/idmap.h> diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 4be0bee4c357..1d8558ff9827 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -13,6 +13,8 @@ #include <linux/init.h> #include <linux/bootmem.h> #include <linux/mman.h> +#include <linux/sched/signal.h> +#include <linux/sched/task.h> #include <linux/export.h> #include <linux/nodemask.h> #include <linux/initrd.h> @@ -27,6 +29,7 @@ #include <asm/cp15.h> #include <asm/mach-types.h> #include <asm/memblock.h> +#include <asm/memory.h> #include <asm/prom.h> #include <asm/sections.h> #include <asm/setup.h> @@ -227,41 +230,59 @@ phys_addr_t __init arm_memblock_steal(phys_addr_t size, phys_addr_t align) return phys; } -void __init arm_memblock_init(const struct machine_desc *mdesc) +static void __init arm_initrd_init(void) { - /* Register the kernel text, kernel data and initrd with memblock. */ -#ifdef CONFIG_XIP_KERNEL - memblock_reserve(__pa(_sdata), _end - _sdata); -#else - memblock_reserve(__pa(_stext), _end - _stext); -#endif #ifdef CONFIG_BLK_DEV_INITRD + phys_addr_t start; + unsigned long size; + /* FDT scan will populate initrd_start */ if (initrd_start && !phys_initrd_size) { phys_initrd_start = __virt_to_phys(initrd_start); phys_initrd_size = initrd_end - initrd_start; } + initrd_start = initrd_end = 0; - if (phys_initrd_size && - !memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) { + + if (!phys_initrd_size) + return; + + /* + * Round the memory region to page boundaries as per free_initrd_mem() + * This allows us to detect whether the pages overlapping the initrd + * are in use, but more importantly, reserves the entire set of pages + * as we don't want these pages allocated for other purposes. + */ + start = round_down(phys_initrd_start, PAGE_SIZE); + size = phys_initrd_size + (phys_initrd_start - start); + size = round_up(size, PAGE_SIZE); + + if (!memblock_is_region_memory(start, size)) { pr_err("INITRD: 0x%08llx+0x%08lx is not a memory region - disabling initrd\n", - (u64)phys_initrd_start, phys_initrd_size); - phys_initrd_start = phys_initrd_size = 0; + (u64)start, size); + return; } - if (phys_initrd_size && - memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) { + + if (memblock_is_region_reserved(start, size)) { pr_err("INITRD: 0x%08llx+0x%08lx overlaps in-use memory region - disabling initrd\n", - (u64)phys_initrd_start, phys_initrd_size); - phys_initrd_start = phys_initrd_size = 0; + (u64)start, size); + return; } - if (phys_initrd_size) { - memblock_reserve(phys_initrd_start, phys_initrd_size); - /* Now convert initrd to virtual addresses */ - initrd_start = __phys_to_virt(phys_initrd_start); - initrd_end = initrd_start + phys_initrd_size; - } + memblock_reserve(start, size); + + /* Now convert initrd to virtual addresses */ + initrd_start = __phys_to_virt(phys_initrd_start); + initrd_end = initrd_start + phys_initrd_size; #endif +} + +void __init arm_memblock_init(const struct machine_desc *mdesc) +{ + /* Register the kernel text, kernel data and initrd with memblock. */ + memblock_reserve(__pa(KERNEL_START), KERNEL_END - KERNEL_START); + + arm_initrd_init(); arm_mm_memblock_reserve(); @@ -521,8 +542,7 @@ void __init mem_init(void) " .data : 0x%p" " - 0x%p" " (%4td kB)\n" " .bss : 0x%p" " - 0x%p" " (%4td kB)\n", - MLK(UL(CONFIG_VECTORS_BASE), UL(CONFIG_VECTORS_BASE) + - (PAGE_SIZE)), + MLK(VECTORS_BASE, VECTORS_BASE + PAGE_SIZE), #ifdef CONFIG_HAVE_TCM MLK(DTCM_OFFSET, (unsigned long) dtcm_end), MLK(ITCM_OFFSET, (unsigned long) itcm_end), diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c index 66353caa35b9..2239fde10b80 100644 --- a/arch/arm/mm/mmap.c +++ b/arch/arm/mm/mmap.c @@ -5,7 +5,8 @@ #include <linux/mm.h> #include <linux/mman.h> #include <linux/shm.h> -#include <linux/sched.h> +#include <linux/sched/signal.h> +#include <linux/sched/mm.h> #include <linux/io.h> #include <linux/personality.h> #include <linux/random.h> diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 4001dd15818d..4e016d7f37b3 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1152,13 +1152,12 @@ early_param("vmalloc", early_vmalloc); phys_addr_t arm_lowmem_limit __initdata = 0; -void __init sanity_check_meminfo(void) +void __init adjust_lowmem_bounds(void) { phys_addr_t memblock_limit = 0; - int highmem = 0; u64 vmalloc_limit; struct memblock_region *reg; - bool should_use_highmem = false; + phys_addr_t lowmem_limit = 0; /* * Let's use our own (unoptimized) equivalent of __pa() that is @@ -1172,43 +1171,18 @@ void __init sanity_check_meminfo(void) for_each_memblock(memory, reg) { phys_addr_t block_start = reg->base; phys_addr_t block_end = reg->base + reg->size; - phys_addr_t size_limit = reg->size; - if (reg->base >= vmalloc_limit) - highmem = 1; - else - size_limit = vmalloc_limit - reg->base; - - - if (!IS_ENABLED(CONFIG_HIGHMEM) || cache_is_vipt_aliasing()) { - - if (highmem) { - pr_notice("Ignoring RAM at %pa-%pa (!CONFIG_HIGHMEM)\n", - &block_start, &block_end); - memblock_remove(reg->base, reg->size); - should_use_highmem = true; - continue; - } - - if (reg->size > size_limit) { - phys_addr_t overlap_size = reg->size - size_limit; - - pr_notice("Truncating RAM at %pa-%pa", - &block_start, &block_end); - block_end = vmalloc_limit; - pr_cont(" to -%pa", &block_end); - memblock_remove(vmalloc_limit, overlap_size); - should_use_highmem = true; - } - } - - if (!highmem) { - if (block_end > arm_lowmem_limit) { - if (reg->size > size_limit) - arm_lowmem_limit = vmalloc_limit; - else - arm_lowmem_limit = block_end; - } + if (reg->base < vmalloc_limit) { + if (block_end > lowmem_limit) + /* + * Compare as u64 to ensure vmalloc_limit does + * not get truncated. block_end should always + * fit in phys_addr_t so there should be no + * issue with assignment. + */ + lowmem_limit = min_t(u64, + vmalloc_limit, + block_end); /* * Find the first non-pmd-aligned page, and point @@ -1227,14 +1201,13 @@ void __init sanity_check_meminfo(void) if (!IS_ALIGNED(block_start, PMD_SIZE)) memblock_limit = block_start; else if (!IS_ALIGNED(block_end, PMD_SIZE)) - memblock_limit = arm_lowmem_limit; + memblock_limit = lowmem_limit; } } } - if (should_use_highmem) - pr_notice("Consider using a HIGHMEM enabled kernel.\n"); + arm_lowmem_limit = lowmem_limit; high_memory = __va(arm_lowmem_limit - 1) + 1; @@ -1248,6 +1221,18 @@ void __init sanity_check_meminfo(void) if (!memblock_limit) memblock_limit = arm_lowmem_limit; + if (!IS_ENABLED(CONFIG_HIGHMEM) || cache_is_vipt_aliasing()) { + if (memblock_end_of_DRAM() > arm_lowmem_limit) { + phys_addr_t end = memblock_end_of_DRAM(); + + pr_notice("Ignoring RAM at %pa-%pa\n", + &memblock_limit, &end); + pr_notice("Consider using a HIGHMEM enabled kernel.\n"); + + memblock_remove(memblock_limit, end - memblock_limit); + } + } + memblock_set_current_limit(memblock_limit); } @@ -1437,11 +1422,7 @@ static void __init kmap_init(void) static void __init map_lowmem(void) { struct memblock_region *reg; -#ifdef CONFIG_XIP_KERNEL - phys_addr_t kernel_x_start = round_down(__pa(_sdata), SECTION_SIZE); -#else - phys_addr_t kernel_x_start = round_down(__pa(_stext), SECTION_SIZE); -#endif + phys_addr_t kernel_x_start = round_down(__pa(KERNEL_START), SECTION_SIZE); phys_addr_t kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE); /* Map all the lowmem memory banks. */ diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 2740967727e2..3b5c7aaf9c76 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -11,6 +11,7 @@ #include <linux/kernel.h> #include <asm/cacheflush.h> +#include <asm/cp15.h> #include <asm/sections.h> #include <asm/page.h> #include <asm/setup.h> @@ -22,6 +23,8 @@ #include "mm.h" +unsigned long vectors_base; + #ifdef CONFIG_ARM_MPU struct mpu_rgn_info mpu_rgn_info; @@ -85,7 +88,7 @@ static unsigned long irbar_read(void) } /* MPU initialisation functions */ -void __init sanity_check_meminfo_mpu(void) +void __init adjust_lowmem_bounds_mpu(void) { phys_addr_t phys_offset = PHYS_OFFSET; phys_addr_t aligned_region_size, specified_mem_size, rounded_mem_size; @@ -274,19 +277,64 @@ void __init mpu_setup(void) } } #else -static void sanity_check_meminfo_mpu(void) {} +static void adjust_lowmem_bounds_mpu(void) {} static void __init mpu_setup(void) {} #endif /* CONFIG_ARM_MPU */ +#ifdef CONFIG_CPU_CP15 +#ifdef CONFIG_CPU_HIGH_VECTOR +static unsigned long __init setup_vectors_base(void) +{ + unsigned long reg = get_cr(); + + set_cr(reg | CR_V); + return 0xffff0000; +} +#else /* CONFIG_CPU_HIGH_VECTOR */ +/* Write exception base address to VBAR */ +static inline void set_vbar(unsigned long val) +{ + asm("mcr p15, 0, %0, c12, c0, 0" : : "r" (val) : "cc"); +} + +/* + * Security extensions, bits[7:4], permitted values, + * 0b0000 - not implemented, 0b0001/0b0010 - implemented + */ +static inline bool security_extensions_enabled(void) +{ + return !!cpuid_feature_extract(CPUID_EXT_PFR1, 4); +} + +static unsigned long __init setup_vectors_base(void) +{ + unsigned long base = 0, reg = get_cr(); + + set_cr(reg & ~CR_V); + if (security_extensions_enabled()) { + if (IS_ENABLED(CONFIG_REMAP_VECTORS_TO_RAM)) + base = CONFIG_DRAM_BASE; + set_vbar(base); + } else if (IS_ENABLED(CONFIG_REMAP_VECTORS_TO_RAM)) { + if (CONFIG_DRAM_BASE != 0) + pr_err("Security extensions not enabled, vectors cannot be remapped to RAM, vectors base will be 0x00000000\n"); + } + + return base; +} +#endif /* CONFIG_CPU_HIGH_VECTOR */ +#endif /* CONFIG_CPU_CP15 */ + void __init arm_mm_memblock_reserve(void) { #ifndef CONFIG_CPU_V7M + vectors_base = IS_ENABLED(CONFIG_CPU_CP15) ? setup_vectors_base() : 0; /* * Register the exception vector page. * some architectures which the DRAM is the exception vector to trap, * alloc_page breaks with error, although it is not NULL, but "0." */ - memblock_reserve(CONFIG_VECTORS_BASE, 2 * PAGE_SIZE); + memblock_reserve(vectors_base, 2 * PAGE_SIZE); #else /* ifndef CONFIG_CPU_V7M */ /* * There is no dedicated vector page on V7-M. So nothing needs to be @@ -295,10 +343,10 @@ void __init arm_mm_memblock_reserve(void) #endif } -void __init sanity_check_meminfo(void) +void __init adjust_lowmem_bounds(void) { phys_addr_t end; - sanity_check_meminfo_mpu(); + adjust_lowmem_bounds_mpu(); end = memblock_end_of_DRAM(); high_memory = __va(end - 1) + 1; memblock_set_current_limit(end); @@ -310,7 +358,7 @@ void __init sanity_check_meminfo(void) */ void __init paging_init(const struct machine_desc *mdesc) { - early_trap_init((void *)CONFIG_VECTORS_BASE); + early_trap_init((void *)vectors_base); mpu_setup(); bootmem_init(); } diff --git a/arch/arm/mm/physaddr.c b/arch/arm/mm/physaddr.c new file mode 100644 index 000000000000..02e60f495608 --- /dev/null +++ b/arch/arm/mm/physaddr.c @@ -0,0 +1,57 @@ +#include <linux/bug.h> +#include <linux/export.h> +#include <linux/types.h> +#include <linux/mmdebug.h> +#include <linux/mm.h> + +#include <asm/sections.h> +#include <asm/memory.h> +#include <asm/fixmap.h> +#include <asm/dma.h> + +#include "mm.h" + +static inline bool __virt_addr_valid(unsigned long x) +{ + /* + * high_memory does not get immediately defined, and there + * are early callers of __pa() against PAGE_OFFSET + */ + if (!high_memory && x >= PAGE_OFFSET) + return true; + + if (high_memory && x >= PAGE_OFFSET && x < (unsigned long)high_memory) + return true; + + /* + * MAX_DMA_ADDRESS is a virtual address that may not correspond to an + * actual physical address. Enough code relies on __pa(MAX_DMA_ADDRESS) + * that we just need to work around it and always return true. + */ + if (x == MAX_DMA_ADDRESS) + return true; + + return false; +} + +phys_addr_t __virt_to_phys(unsigned long x) +{ + WARN(!__virt_addr_valid(x), + "virt_to_phys used for non-linear address: %pK (%pS)\n", + (void *)x, (void *)x); + + return __virt_to_phys_nodebug(x); +} +EXPORT_SYMBOL(__virt_to_phys); + +phys_addr_t __phys_addr_symbol(unsigned long x) +{ + /* This is bounds checking against the kernel image only. + * __pa_symbol should only be used on kernel symbol addresses. + */ + VIRTUAL_BUG_ON(x < (unsigned long)KERNEL_START || + x > (unsigned long)KERNEL_END); + + return __pa_symbol_nodebug(x); +} +EXPORT_SYMBOL(__phys_addr_symbol); diff --git a/arch/arm/nwfpe/fpmodule.c b/arch/arm/nwfpe/fpmodule.c index ec717c190e2c..1365e8650843 100644 --- a/arch/arm/nwfpe/fpmodule.c +++ b/arch/arm/nwfpe/fpmodule.c @@ -31,7 +31,7 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/signal.h> -#include <linux/sched.h> +#include <linux/sched/signal.h> #include <linux/init.h> #include <asm/thread_notify.h> diff --git a/arch/arm/probes/decode.h b/arch/arm/probes/decode.h index f9b08ba7fe73..548d622a3159 100644 --- a/arch/arm/probes/decode.h +++ b/arch/arm/probes/decode.h @@ -22,6 +22,7 @@ #include <linux/types.h> #include <linux/stddef.h> #include <asm/probes.h> +#include <asm/kprobes.h> void __init arm_probes_decode_init(void); diff --git a/arch/arm/probes/kprobes/core.c b/arch/arm/probes/kprobes/core.c index a4ec240ee7ba..b6dc9d838a9a 100644 --- a/arch/arm/probes/kprobes/core.c +++ b/arch/arm/probes/kprobes/core.c @@ -24,6 +24,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/stop_machine.h> +#include <linux/sched/debug.h> #include <linux/stringify.h> #include <asm/traps.h> #include <asm/opcodes.h> diff --git a/arch/arm/probes/kprobes/test-core.c b/arch/arm/probes/kprobes/test-core.c index 9775de22e2ff..c893726aa52d 100644 --- a/arch/arm/probes/kprobes/test-core.c +++ b/arch/arm/probes/kprobes/test-core.c @@ -203,6 +203,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> +#include <linux/sched/clock.h> #include <linux/kprobes.h> #include <linux/errno.h> #include <linux/stddef.h> diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 569d5a650a4a..a71a48e71fff 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -15,7 +15,7 @@ #include <linux/kernel.h> #include <linux/notifier.h> #include <linux/signal.h> -#include <linux/sched.h> +#include <linux/sched/signal.h> #include <linux/smp.h> #include <linux/init.h> #include <linux/uaccess.h> diff --git a/arch/arm/xen/mm.c b/arch/arm/xen/mm.c index bd62d94f8ac5..ce18c91b50a1 100644 --- a/arch/arm/xen/mm.c +++ b/arch/arm/xen/mm.c @@ -182,10 +182,10 @@ void xen_destroy_contiguous_region(phys_addr_t pstart, unsigned int order) } EXPORT_SYMBOL_GPL(xen_destroy_contiguous_region); -struct dma_map_ops *xen_dma_ops; +const struct dma_map_ops *xen_dma_ops; EXPORT_SYMBOL(xen_dma_ops); -static struct dma_map_ops xen_swiotlb_dma_ops = { +static const struct dma_map_ops xen_swiotlb_dma_ops = { .alloc = xen_swiotlb_alloc_coherent, .free = xen_swiotlb_free_coherent, .sync_single_for_cpu = xen_swiotlb_sync_single_for_cpu, |