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-rw-r--r--arch/arm/dts/meson-gx.dtsi97
-rw-r--r--arch/arm/dts/meson-gxbb-odroidc2.dts82
-rw-r--r--arch/arm/dts/meson-gxbb.dtsi187
-rw-r--r--arch/arm/dts/stm32f746-disco.dts1
-rw-r--r--arch/arm/dts/stm32f746.dtsi30
-rw-r--r--arch/arm/dts/stm32f769-disco.dts1
-rw-r--r--arch/arm/include/asm/arch-meson/gpio.h11
-rw-r--r--arch/arm/include/asm/arch-stm32f7/fmc.h74
-rw-r--r--arch/arm/include/asm/arch-stm32f7/rcc.h24
-rw-r--r--arch/arm/include/asm/arch-stm32f7/stm32.h13
-rw-r--r--arch/arm/include/asm/arch-stm32f7/stm32_periph.h15
-rw-r--r--arch/arm/mach-keystone/cmd_mon.c8
-rw-r--r--arch/arm/mach-keystone/include/mach/mon.h2
-rw-r--r--arch/arm/mach-keystone/mon.c11
-rw-r--r--arch/mips/Makefile.postlink23
-rw-r--r--arch/mips/config.mk21
-rw-r--r--arch/mips/cpu/start.S130
-rw-r--r--arch/mips/cpu/u-boot.lds41
-rw-r--r--arch/mips/include/asm/relocs.h24
-rw-r--r--arch/mips/include/asm/sections.h7
-rw-r--r--arch/mips/lib/Makefile1
-rw-r--r--arch/mips/lib/bootm.c8
-rw-r--r--arch/mips/lib/reloc.c164
23 files changed, 603 insertions, 372 deletions
diff --git a/arch/arm/dts/meson-gx.dtsi b/arch/arm/dts/meson-gx.dtsi
index c1291007b3..436b875060 100644
--- a/arch/arm/dts/meson-gx.dtsi
+++ b/arch/arm/dts/meson-gx.dtsi
@@ -71,6 +71,14 @@
reg = <0x0 0x10000000 0x0 0x200000>;
no-map;
};
+
+ linux,cma {
+ compatible = "shared-dma-pool";
+ reusable;
+ size = <0x0 0xbc00000>;
+ alignment = <0x0 0x400000>;
+ linux,cma-default;
+ };
};
cpus {
@@ -233,7 +241,7 @@
};
i2c_A: i2c@8500 {
- compatible = "amlogic,meson-gxbb-i2c";
+ compatible = "amlogic,meson-gx-i2c", "amlogic,meson-gxbb-i2c";
reg = <0x0 0x08500 0x0 0x20>;
interrupts = <GIC_SPI 21 IRQ_TYPE_EDGE_RISING>;
#address-cells = <1>;
@@ -255,6 +263,14 @@
status = "disabled";
};
+ saradc: adc@8680 {
+ compatible = "amlogic,meson-saradc";
+ reg = <0x0 0x8680 0x0 0x34>;
+ #io-channel-cells = <1>;
+ interrupts = <GIC_SPI 73 IRQ_TYPE_EDGE_RISING>;
+ status = "disabled";
+ };
+
pwm_ef: pwm@86c0 {
compatible = "amlogic,meson-gx-pwm", "amlogic,meson-gxbb-pwm";
reg = <0x0 0x086c0 0x0 0x10>;
@@ -271,7 +287,7 @@
};
i2c_B: i2c@87c0 {
- compatible = "amlogic,meson-gxbb-i2c";
+ compatible = "amlogic,meson-gx-i2c", "amlogic,meson-gxbb-i2c";
reg = <0x0 0x087c0 0x0 0x20>;
interrupts = <GIC_SPI 214 IRQ_TYPE_EDGE_RISING>;
#address-cells = <1>;
@@ -280,7 +296,7 @@
};
i2c_C: i2c@87e0 {
- compatible = "amlogic,meson-gxbb-i2c";
+ compatible = "amlogic,meson-gx-i2c", "amlogic,meson-gxbb-i2c";
reg = <0x0 0x087e0 0x0 0x20>;
interrupts = <GIC_SPI 215 IRQ_TYPE_EDGE_RISING>;
#address-cells = <1>;
@@ -288,6 +304,14 @@
status = "disabled";
};
+ spifc: spi@8c80 {
+ compatible = "amlogic,meson-gx-spifc", "amlogic,meson-gxbb-spifc";
+ reg = <0x0 0x08c80 0x0 0x80>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
watchdog@98d0 {
compatible = "amlogic,meson-gx-wdt", "amlogic,meson-gxbb-wdt";
reg = <0x0 0x098d0 0x0 0x10>;
@@ -309,7 +333,7 @@
};
sram: sram@c8000000 {
- compatible = "amlogic,meson-gxbb-sram", "mmio-sram";
+ compatible = "amlogic,meson-gx-sram", "amlogic,meson-gxbb-sram", "mmio-sram";
reg = <0x0 0xc8000000 0x0 0x14000>;
#address-cells = <1>;
@@ -317,12 +341,12 @@
ranges = <0 0x0 0xc8000000 0x14000>;
cpu_scp_lpri: scp-shmem@0 {
- compatible = "amlogic,meson-gxbb-scp-shmem";
+ compatible = "amlogic,meson-gx-scp-shmem", "amlogic,meson-gxbb-scp-shmem";
reg = <0x13000 0x400>;
};
cpu_scp_hpri: scp-shmem@200 {
- compatible = "amlogic,meson-gxbb-scp-shmem";
+ compatible = "amlogic,meson-gx-scp-shmem", "amlogic,meson-gxbb-scp-shmem";
reg = <0x13400 0x400>;
};
};
@@ -334,6 +358,13 @@
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0xc8100000 0x0 0x100000>;
+ clkc_AO: clock-controller@040 {
+ compatible = "amlogic,gx-aoclkc", "amlogic,gxbb-aoclkc";
+ reg = <0x0 0x00040 0x0 0x4>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+
uart_AO: serial@4c0 {
compatible = "amlogic,meson-uart";
reg = <0x0 0x004c0 0x0 0x14>;
@@ -350,8 +381,24 @@
status = "disabled";
};
+ i2c_AO: i2c@500 {
+ compatible = "amlogic,meson-gx-i2c", "amlogic,meson-gxbb-i2c";
+ reg = <0x0 0x500 0x0 0x20>;
+ interrupts = <GIC_SPI 195 IRQ_TYPE_EDGE_RISING>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ pwm_AO_ab: pwm@550 {
+ compatible = "amlogic,meson-gx-pwm", "amlogic,meson-gxbb-pwm";
+ reg = <0x0 0x00550 0x0 0x10>;
+ #pwm-cells = <3>;
+ status = "disabled";
+ };
+
ir: ir@580 {
- compatible = "amlogic,meson-gxbb-ir";
+ compatible = "amlogic,meson-gx-ir", "amlogic,meson-gxbb-ir";
reg = <0x0 0x00580 0x0 0x40>;
interrupts = <GIC_SPI 196 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
@@ -365,13 +412,12 @@
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0xc8834000 0x0 0x2000>;
- rng {
+ hwrng: rng {
compatible = "amlogic,meson-rng";
reg = <0x0 0x0 0x0 0x4>;
};
};
-
hiubus: hiubus@c883c000 {
compatible = "simple-bus";
reg = <0x0 0xc883c000 0x0 0x2000>;
@@ -395,7 +441,6 @@
0x0 0xc8834540 0x0 0x4>;
interrupts = <0 8 1>;
interrupt-names = "macirq";
- phy-mode = "rgmii";
status = "disabled";
};
@@ -442,6 +487,38 @@
cvbs_vdac_port: port@0 {
reg = <0>;
};
+
+ /* HDMI-TX output port */
+ hdmi_tx_port: port@1 {
+ reg = <1>;
+
+ hdmi_tx_out: endpoint {
+ remote-endpoint = <&hdmi_tx_in>;
+ };
+ };
+ };
+
+ hdmi_tx: hdmi-tx@c883a000 {
+ compatible = "amlogic,meson-gx-dw-hdmi";
+ reg = <0x0 0xc883a000 0x0 0x1c>;
+ interrupts = <GIC_SPI 57 IRQ_TYPE_EDGE_RISING>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+
+ /* VPU VENC Input */
+ hdmi_tx_venc_port: port@0 {
+ reg = <0>;
+
+ hdmi_tx_in: endpoint {
+ remote-endpoint = <&hdmi_tx_out>;
+ };
+ };
+
+ /* TMDS Output */
+ hdmi_tx_tmds_port: port@1 {
+ reg = <1>;
+ };
};
};
};
diff --git a/arch/arm/dts/meson-gxbb-odroidc2.dts b/arch/arm/dts/meson-gxbb-odroidc2.dts
index c737183a29..54a9c6a6b3 100644
--- a/arch/arm/dts/meson-gxbb-odroidc2.dts
+++ b/arch/arm/dts/meson-gxbb-odroidc2.dts
@@ -50,7 +50,7 @@
/ {
compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
model = "Hardkernel ODROID-C2";
-
+
aliases {
serial0 = &uart_AO;
};
@@ -96,7 +96,7 @@
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
- gpio = <&gpio_ao GPIOAO_12 GPIO_ACTIVE_HIGH>;
+ gpio = <&gpio GPIOY_12 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
@@ -152,6 +152,13 @@
pinctrl-0 = <&eth_rgmii_pins>;
pinctrl-names = "default";
phy-handle = <&eth_phy0>;
+ phy-mode = "rgmii";
+
+ snps,reset-gpio = <&gpio GPIOZ_14 0>;
+ snps,reset-delays-us = <0 10000 1000000>;
+ snps,reset-active-low;
+
+ amlogic,tx-delay-ns = <2>;
mdio {
compatible = "snps,dwmac-mdio";
@@ -165,6 +172,57 @@
};
};
+&pinctrl_aobus {
+ gpio-line-names = "UART TX", "UART RX", "VCCK En", "TF 3V3/1V8 En",
+ "USB HUB nRESET", "USB OTG Power En",
+ "J7 Header Pin2", "IR In", "J7 Header Pin4",
+ "J7 Header Pin6", "J7 Header Pin5", "J7 Header Pin7",
+ "HDMI CEC", "SYS LED";
+};
+
+&pinctrl_periphs {
+ gpio-line-names = /* Bank GPIOZ */
+ "Eth MDIO", "Eth MDC", "Eth RGMII RX Clk",
+ "Eth RX DV", "Eth RX D0", "Eth RX D1", "Eth RX D2",
+ "Eth RX D3", "Eth RGMII TX Clk", "Eth TX En",
+ "Eth TX D0", "Eth TX D1", "Eth TX D2", "Eth TX D3",
+ "Eth PHY nRESET", "Eth PHY Intc",
+ /* Bank GPIOH */
+ "HDMI HPD", "HDMI DDC SDA", "HDMI DDC SCL", "",
+ /* Bank BOOT */
+ "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3", "eMMC D4",
+ "eMMC D5", "eMMC D6", "eMMC D7", "eMMC Clk",
+ "eMMC Reset", "eMMC CMD",
+ "", "", "", "", "", "", "",
+ /* Bank CARD */
+ "SDCard D1", "SDCard D0", "SDCard CLK", "SDCard CMD",
+ "SDCard D3", "SDCard D2", "SDCard Det",
+ /* Bank GPIODV */
+ "", "", "", "", "", "", "", "", "", "", "", "", "",
+ "", "", "", "", "", "", "", "", "", "", "",
+ "I2C A SDA", "I2C A SCK", "I2C B SDA", "I2C B SCK",
+ "PWM D", "PWM B",
+ /* Bank GPIOY */
+ "Revision Bit0", "Revision Bit1", "",
+ "J2 Header Pin35", "", "", "", "J2 Header Pin36",
+ "J2 Header Pin31", "", "", "", "TF VDD En",
+ "J2 Header Pin32", "J2 Header Pin26", "", "",
+ /* Bank GPIOX */
+ "J2 Header Pin29", "J2 Header Pin24",
+ "J2 Header Pin23", "J2 Header Pin22",
+ "J2 Header Pin21", "J2 Header Pin18",
+ "J2 Header Pin33", "J2 Header Pin19",
+ "J2 Header Pin16", "J2 Header Pin15",
+ "J2 Header Pin12", "J2 Header Pin13",
+ "J2 Header Pin8", "J2 Header Pin10",
+ "", "", "", "", "",
+ "J2 Header Pin11", "", "J2 Header Pin7",
+ /* Bank GPIOCLK */
+ "", "", "", "",
+ /* GPIO_TEST_N */
+ "";
+};
+
&ir {
status = "okay";
pinctrl-0 = <&remote_input_ao_pins>;
@@ -177,6 +235,21 @@
pinctrl-names = "default";
};
+&gpio_ao {
+ /*
+ * WARNING: The USB Hub on the Odroid-C2 needs a reset signal
+ * to be turned high in order to be detected by the USB Controller
+ * This signal should be handled by a USB specific power sequence
+ * in order to reset the Hub when USB bus is powered down.
+ */
+ usb-hub {
+ gpio-hog;
+ gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "usb-hub-reset";
+ };
+};
+
&usb0_phy {
status = "okay";
phy-supply = <&usb_otg_pwr>;
@@ -194,6 +267,11 @@
status = "okay";
};
+&saradc {
+ status = "okay";
+ vref-supply = <&vcc1v8>;
+};
+
/* SD */
&sd_emmc_b {
status = "okay";
diff --git a/arch/arm/dts/meson-gxbb.dtsi b/arch/arm/dts/meson-gxbb.dtsi
index 39a774ad83..86105a6969 100644
--- a/arch/arm/dts/meson-gxbb.dtsi
+++ b/arch/arm/dts/meson-gxbb.dtsi
@@ -97,17 +97,6 @@
};
};
-&cbus {
- spifc: spi@8c80 {
- compatible = "amlogic,meson-gxbb-spifc";
- reg = <0x0 0x08c80 0x0 0x80>;
- #address-cells = <1>;
- #size-cells = <0>;
- clocks = <&clkc CLKID_SPI>;
- status = "disabled";
- };
-};
-
&ethmac {
clocks = <&clkc CLKID_ETH>,
<&clkc CLKID_FCLK_DIV2>,
@@ -129,6 +118,7 @@
reg-names = "mux", "pull", "gpio";
gpio-controller;
#gpio-cells = <2>;
+ gpio-ranges = <&pinctrl_aobus 0 0 14>;
};
uart_ao_a_pins: uart_ao_a {
@@ -203,30 +193,62 @@
function = "pwm_ao_b";
};
};
- };
- clkc_AO: clock-controller@040 {
- compatible = "amlogic,gxbb-aoclkc";
- reg = <0x0 0x00040 0x0 0x4>;
- #clock-cells = <1>;
- #reset-cells = <1>;
- };
+ i2s_am_clk_pins: i2s_am_clk {
+ mux {
+ groups = "i2s_am_clk";
+ function = "i2s_out_ao";
+ };
+ };
- pwm_ab_AO: pwm@550 {
- compatible = "amlogic,meson-gxbb-pwm";
- reg = <0x0 0x0550 0x0 0x10>;
- #pwm-cells = <3>;
- status = "disabled";
- };
+ i2s_out_ao_clk_pins: i2s_out_ao_clk {
+ mux {
+ groups = "i2s_out_ao_clk";
+ function = "i2s_out_ao";
+ };
+ };
+
+ i2s_out_lr_clk_pins: i2s_out_lr_clk {
+ mux {
+ groups = "i2s_out_lr_clk";
+ function = "i2s_out_ao";
+ };
+ };
+
+ i2s_out_ch01_ao_pins: i2s_out_ch01_ao {
+ mux {
+ groups = "i2s_out_ch01_ao";
+ function = "i2s_out_ao";
+ };
+ };
+
+ i2s_out_ch23_ao_pins: i2s_out_ch23_ao {
+ mux {
+ groups = "i2s_out_ch23_ao";
+ function = "i2s_out_ao";
+ };
+ };
+
+ i2s_out_ch45_ao_pins: i2s_out_ch45_ao {
+ mux {
+ groups = "i2s_out_ch45_ao";
+ function = "i2s_out_ao";
+ };
+ };
+
+ spdif_out_ao_6_pins: spdif_out_ao_6 {
+ mux {
+ groups = "spdif_out_ao_6";
+ function = "spdif_out_ao";
+ };
+ };
- i2c_AO: i2c@500 {
- compatible = "amlogic,meson-gxbb-i2c";
- reg = <0x0 0x500 0x0 0x20>;
- interrupts = <GIC_SPI 195 IRQ_TYPE_EDGE_RISING>;
- clocks = <&clkc CLKID_AO_I2C>;
- #address-cells = <1>;
- #size-cells = <0>;
- status = "disabled";
+ spdif_out_ao_13_pins: spdif_out_ao_13 {
+ mux {
+ groups = "spdif_out_ao_13";
+ function = "spdif_out_ao";
+ };
+ };
};
};
@@ -245,6 +267,7 @@
reg-names = "mux", "pull", "pull-enable", "gpio";
gpio-controller;
#gpio-cells = <2>;
+ gpio-ranges = <&pinctrl_periphs 0 14 120>;
};
emmc_pins: emmc {
@@ -467,6 +490,34 @@
function = "hdmi_i2c";
};
};
+
+ i2sout_ch23_y_pins: i2sout_ch23_y {
+ mux {
+ groups = "i2sout_ch23_y";
+ function = "i2s_out";
+ };
+ };
+
+ i2sout_ch45_y_pins: i2sout_ch45_y {
+ mux {
+ groups = "i2sout_ch45_y";
+ function = "i2s_out";
+ };
+ };
+
+ i2sout_ch67_y_pins: i2sout_ch67_y {
+ mux {
+ groups = "i2sout_ch67_y";
+ function = "i2s_out";
+ };
+ };
+
+ spdif_out_y_pins: spdif_out_y {
+ mux {
+ groups = "spdif_out_y";
+ function = "spdif_out";
+ };
+ };
};
};
@@ -478,10 +529,51 @@
};
};
+&apb {
+ mali: gpu@c0000 {
+ compatible = "amlogic,meson-gxbb-mali", "arm,mali-450";
+ reg = <0x0 0xc0000 0x0 0x40000>;
+ interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "gp", "gpmmu", "pp", "pmu",
+ "pp0", "ppmmu0", "pp1", "ppmmu1",
+ "pp2", "ppmmu2";
+ clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_MALI>;
+ clock-names = "bus", "core";
+
+ /*
+ * Mali clocking is provided by two identical clock paths
+ * MALI_0 and MALI_1 muxed to a single clock by a glitch
+ * free mux to safely change frequency while running.
+ */
+ assigned-clocks = <&clkc CLKID_MALI_0_SEL>,
+ <&clkc CLKID_MALI_0>,
+ <&clkc CLKID_MALI>; /* Glitch free mux */
+ assigned-clock-parents = <&clkc CLKID_FCLK_DIV3>,
+ <0>, /* Do Nothing */
+ <&clkc CLKID_MALI_0>;
+ assigned-clock-rates = <0>, /* Do Nothing */
+ <666666666>,
+ <0>; /* Do Nothing */
+ };
+};
+
&i2c_A {
clocks = <&clkc CLKID_I2C>;
};
+&i2c_AO {
+ clocks = <&clkc CLKID_AO_I2C>;
+};
+
&i2c_B {
clocks = <&clkc CLKID_I2C>;
};
@@ -490,6 +582,16 @@
clocks = <&clkc CLKID_I2C>;
};
+&saradc {
+ compatible = "amlogic,meson-gxbb-saradc", "amlogic,meson-saradc";
+ clocks = <&xtal>,
+ <&clkc CLKID_SAR_ADC>,
+ <&clkc CLKID_SANA>,
+ <&clkc CLKID_SAR_ADC_CLK>,
+ <&clkc CLKID_SAR_ADC_SEL>;
+ clock-names = "clkin", "core", "sana", "adc_clk", "adc_sel";
+};
+
&sd_emmc_a {
clocks = <&clkc CLKID_SD_EMMC_A>,
<&xtal>,
@@ -511,6 +613,27 @@
clock-names = "core", "clkin0", "clkin1";
};
+&spifc {
+ clocks = <&clkc CLKID_SPI>;
+};
+
&vpu {
compatible = "amlogic,meson-gxbb-vpu", "amlogic,meson-gx-vpu";
};
+
+&hwrng {
+ clocks = <&clkc CLKID_RNG0>;
+ clock-names = "core";
+};
+
+&hdmi_tx {
+ compatible = "amlogic,meson-gxbb-dw-hdmi", "amlogic,meson-gx-dw-hdmi";
+ resets = <&reset RESET_HDMITX_CAPB3>,
+ <&reset RESET_HDMI_SYSTEM_RESET>,
+ <&reset RESET_HDMI_TX>;
+ reset-names = "hdmitx_apb", "hdmitx", "hdmitx_phy";
+ clocks = <&clkc CLKID_HDMI_PCLK>,
+ <&clkc CLKID_CLK81>,
+ <&clkc CLKID_GCLK_VENCI_INT0>;
+ clock-names = "isfr", "iahb", "venci";
+};
diff --git a/arch/arm/dts/stm32f746-disco.dts b/arch/arm/dts/stm32f746-disco.dts
index 2c7fa799bf..c92c2e20e8 100644
--- a/arch/arm/dts/stm32f746-disco.dts
+++ b/arch/arm/dts/stm32f746-disco.dts
@@ -195,7 +195,6 @@
pinctrl-names = "default";
status = "okay";
- mr-nbanks = <1>;
/* Memory configuration from sdram datasheet MT48LC_4M32_B2B5-6A */
bank1: bank@0 {
st,sdram-control = /bits/ 8 <NO_COL_8 NO_ROW_12 MWIDTH_16 BANKS_4
diff --git a/arch/arm/dts/stm32f746.dtsi b/arch/arm/dts/stm32f746.dtsi
index 54f5bc7a54..783d4e734e 100644
--- a/arch/arm/dts/stm32f746.dtsi
+++ b/arch/arm/dts/stm32f746.dtsi
@@ -47,6 +47,8 @@
#include "armv7-m.dtsi"
#include <dt-bindings/pinctrl/stm32f746-pinfunc.h>
+#include <dt-bindings/clock/stm32fx-clock.h>
+#include <dt-bindings/mfd/stm32f7-rcc.h>
/ {
clocks {
@@ -74,7 +76,7 @@
fmc: fmc@A0000000 {
compatible = "st,stm32-fmc";
reg = <0xA0000000 0x1000>;
- clocks = <&rcc 0 64>;
+ clocks = <&rcc 0 STM32F7_AHB3_CLOCK(FMC)>;
u-boot,dm-pre-reloc;
};
@@ -86,14 +88,14 @@
reg-names = "QuadSPI", "QuadSPI-memory";
interrupts = <92>;
spi-max-frequency = <108000000>;
- clocks = <&rcc 0 65>;
+ clocks = <&rcc 0 STM32F7_AHB3_CLOCK(QSPI)>;
status = "disabled";
};
usart1: serial@40011000 {
compatible = "st,stm32f7-usart", "st,stm32f7-uart";
reg = <0x40011000 0x400>;
interrupts = <37>;
- clocks = <&rcc 0 164>;
+ clocks = <&rcc 0 STM32F7_APB2_CLOCK(USART1)>;
status = "disabled";
u-boot,dm-pre-reloc;
};
@@ -119,7 +121,7 @@
#gpio-cells = <2>;
compatible = "st,stm32-gpio";
reg = <0x0 0x400>;
- clocks = <&rcc 0 0>;
+ clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOA)>;
st,bank-name = "GPIOA";
u-boot,dm-pre-reloc;
};
@@ -129,7 +131,7 @@
#gpio-cells = <2>;
compatible = "st,stm32-gpio";
reg = <0x400 0x400>;
- clocks = <&rcc 0 1>;
+ clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOB)>;
st,bank-name = "GPIOB";
u-boot,dm-pre-reloc;
};
@@ -140,7 +142,7 @@
#gpio-cells = <2>;
compatible = "st,stm32-gpio";
reg = <0x800 0x400>;
- clocks = <&rcc 0 2>;
+ clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOC)>;
st,bank-name = "GPIOC";
u-boot,dm-pre-reloc;
};
@@ -150,7 +152,7 @@
#gpio-cells = <2>;
compatible = "st,stm32-gpio";
reg = <0xc00 0x400>;
- clocks = <&rcc 0 3>;
+ clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOD)>;
st,bank-name = "GPIOD";
u-boot,dm-pre-reloc;
};
@@ -160,7 +162,7 @@
#gpio-cells = <2>;
compatible = "st,stm32-gpio";
reg = <0x1000 0x400>;
- clocks = <&rcc 0 4>;
+ clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOE)>;
st,bank-name = "GPIOE";
u-boot,dm-pre-reloc;
};
@@ -170,7 +172,7 @@
#gpio-cells = <2>;
compatible = "st,stm32-gpio";
reg = <0x1400 0x400>;
- clocks = <&rcc 0 5>;
+ clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOF)>;
st,bank-name = "GPIOF";
u-boot,dm-pre-reloc;
};
@@ -180,7 +182,7 @@
#gpio-cells = <2>;
compatible = "st,stm32-gpio";
reg = <0x1800 0x400>;
- clocks = <&rcc 0 6>;
+ clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOG)>;
st,bank-name = "GPIOG";
u-boot,dm-pre-reloc;
};
@@ -190,7 +192,7 @@
#gpio-cells = <2>;
compatible = "st,stm32-gpio";
reg = <0x1c00 0x400>;
- clocks = <&rcc 0 7>;
+ clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOH)>;
st,bank-name = "GPIOH";
u-boot,dm-pre-reloc;
};
@@ -200,7 +202,7 @@
#gpio-cells = <2>;
compatible = "st,stm32-gpio";
reg = <0x2000 0x400>;
- clocks = <&rcc 0 8>;
+ clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOI)>;
st,bank-name = "GPIOI";
u-boot,dm-pre-reloc;
};
@@ -210,7 +212,7 @@
#gpio-cells = <2>;
compatible = "st,stm32-gpio";
reg = <0x2400 0x400>;
- clocks = <&rcc 0 9>;
+ clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOJ)>;
st,bank-name = "GPIOJ";
u-boot,dm-pre-reloc;
};
@@ -220,7 +222,7 @@
#gpio-cells = <2>;
compatible = "st,stm32-gpio";
reg = <0x2800 0x400>;
- clocks = <&rcc 0 10>;
+ clocks = <&rcc 0 STM32F7_AHB1_CLOCK(GPIOK)>;
st,bank-name = "GPIOK";
u-boot,dm-pre-reloc;
};
diff --git a/arch/arm/dts/stm32f769-disco.dts b/arch/arm/dts/stm32f769-disco.dts
index 6591cc8110..f34ffcc21d 100644
--- a/arch/arm/dts/stm32f769-disco.dts
+++ b/arch/arm/dts/stm32f769-disco.dts
@@ -209,7 +209,6 @@
pinctrl-names = "default";
status = "okay";
- mr-nbanks = <1>;
/* Memory configuration from sdram datasheet MT48LC_4M32_B2B5-6A */
bank1: bank@0 {
st,sdram-control = /bits/ 8 <NO_COL_8 NO_ROW_12 MWIDTH_32 BANKS_4
diff --git a/arch/arm/include/asm/arch-meson/gpio.h b/arch/arm/include/asm/arch-meson/gpio.h
new file mode 100644
index 0000000000..7079ab32ce
--- /dev/null
+++ b/arch/arm/include/asm/arch-meson/gpio.h
@@ -0,0 +1,11 @@
+/*
+ * (C) Copyright 2017 - Beniamino Galvani <b.galvani@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_ARCH_MESON_GPIO_H
+#define __ASM_ARCH_MESON_GPIO_H
+
+
+#endif /* __ASM_ARCH_MESON_GPIO_H */
diff --git a/arch/arm/include/asm/arch-stm32f7/fmc.h b/arch/arm/include/asm/arch-stm32f7/fmc.h
deleted file mode 100644
index 4741e5a0a3..0000000000
--- a/arch/arm/include/asm/arch-stm32f7/fmc.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * (C) Copyright 2013
- * Pavel Boldin, Emcraft Systems, paboldin@emcraft.com
- *
- * (C) Copyright 2015
- * Kamil Lulko, <kamil.lulko@gmail.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#ifndef _MACH_FMC_H_
-#define _MACH_FMC_H_
-
-struct stm32_fmc_regs {
- u32 sdcr1; /* Control register 1 */
- u32 sdcr2; /* Control register 2 */
- u32 sdtr1; /* Timing register 1 */
- u32 sdtr2; /* Timing register 2 */
- u32 sdcmr; /* Mode register */
- u32 sdrtr; /* Refresh timing register */
- u32 sdsr; /* Status register */
-};
-
-/*
- * FMC registers base
- */
-#define STM32_SDRAM_FMC ((struct stm32_fmc_regs *)SDRAM_FMC_BASE)
-
-/* Control register SDCR */
-#define FMC_SDCR_RPIPE_SHIFT 13 /* RPIPE bit shift */
-#define FMC_SDCR_RBURST_SHIFT 12 /* RBURST bit shift */
-#define FMC_SDCR_SDCLK_SHIFT 10 /* SDRAM clock divisor shift */
-#define FMC_SDCR_WP_SHIFT 9 /* Write protection shift */
-#define FMC_SDCR_CAS_SHIFT 7 /* CAS latency shift */
-#define FMC_SDCR_NB_SHIFT 6 /* Number of banks shift */
-#define FMC_SDCR_MWID_SHIFT 4 /* Memory width shift */
-#define FMC_SDCR_NR_SHIFT 2 /* Number of row address bits shift */
-#define FMC_SDCR_NC_SHIFT 0 /* Number of col address bits shift */
-
-/* Timings register SDTR */
-#define FMC_SDTR_TMRD_SHIFT 0 /* Load mode register to active */
-#define FMC_SDTR_TXSR_SHIFT 4 /* Exit self-refresh time */
-#define FMC_SDTR_TRAS_SHIFT 8 /* Self-refresh time */
-#define FMC_SDTR_TRC_SHIFT 12 /* Row cycle delay */
-#define FMC_SDTR_TWR_SHIFT 16 /* Recovery delay */
-#define FMC_SDTR_TRP_SHIFT 20 /* Row precharge delay */
-#define FMC_SDTR_TRCD_SHIFT 24 /* Row-to-column delay */
-
-
-#define FMC_SDCMR_NRFS_SHIFT 5
-
-#define FMC_SDCMR_MODE_NORMAL 0
-#define FMC_SDCMR_MODE_START_CLOCK 1
-#define FMC_SDCMR_MODE_PRECHARGE 2
-#define FMC_SDCMR_MODE_AUTOREFRESH 3
-#define FMC_SDCMR_MODE_WRITE_MODE 4
-#define FMC_SDCMR_MODE_SELFREFRESH 5
-#define FMC_SDCMR_MODE_POWERDOWN 6
-
-#define FMC_SDCMR_BANK_1 BIT(4)
-#define FMC_SDCMR_BANK_2 BIT(3)
-
-#define FMC_SDCMR_MODE_REGISTER_SHIFT 9
-
-#define FMC_SDSR_BUSY BIT(5)
-
-#define FMC_BUSY_WAIT() do { \
- __asm__ __volatile__ ("dsb" : : : "memory"); \
- while (STM32_SDRAM_FMC->sdsr & FMC_SDSR_BUSY) \
- ; \
- } while (0)
-
-
-#endif /* _MACH_FMC_H_ */
diff --git a/arch/arm/include/asm/arch-stm32f7/rcc.h b/arch/arm/include/asm/arch-stm32f7/rcc.h
index 0f8d50b4c6..a33f8cf9bc 100644
--- a/arch/arm/include/asm/arch-stm32f7/rcc.h
+++ b/arch/arm/include/asm/arch-stm32f7/rcc.h
@@ -8,44 +8,24 @@
#ifndef _STM32_RCC_H
#define _STM32_RCC_H
+#include <dt-bindings/mfd/stm32f7-rcc.h>
+
/*
* RCC AHB1ENR specific definitions
*/
-#define RCC_AHB1ENR_GPIO_A_EN BIT(0)
-#define RCC_AHB1ENR_GPIO_B_EN BIT(1)
-#define RCC_AHB1ENR_GPIO_C_EN BIT(2)
-#define RCC_AHB1ENR_GPIO_D_EN BIT(3)
-#define RCC_AHB1ENR_GPIO_E_EN BIT(4)
-#define RCC_AHB1ENR_GPIO_F_EN BIT(5)
-#define RCC_AHB1ENR_GPIO_G_EN BIT(6)
-#define RCC_AHB1ENR_GPIO_H_EN BIT(7)
-#define RCC_AHB1ENR_GPIO_I_EN BIT(8)
-#define RCC_AHB1ENR_GPIO_J_EN BIT(9)
-#define RCC_AHB1ENR_GPIO_K_EN BIT(10)
#define RCC_AHB1ENR_ETHMAC_EN BIT(25)
#define RCC_AHB1ENR_ETHMAC_TX_EN BIT(26)
#define RCC_AHB1ENR_ETHMAC_RX_EN BIT(27)
-#define RCC_AHB1ENR_ETHMAC_PTP_EN BIT(28)
-
-/*
- * RCC AHB3ENR specific definitions
- */
-#define RCC_AHB3ENR_FMC_EN BIT(0)
-#define RCC_AHB3ENR_QSPI_EN BIT(1)
/*
* RCC APB1ENR specific definitions
*/
#define RCC_APB1ENR_TIM2EN BIT(0)
-#define RCC_APB1ENR_USART2EN BIT(17)
-#define RCC_APB1ENR_USART3EN BIT(18)
#define RCC_APB1ENR_PWREN BIT(28)
/*
* RCC APB2ENR specific definitions
*/
-#define RCC_APB2ENR_USART1EN BIT(4)
-#define RCC_APB2ENR_USART6EN BIT(5)
#define RCC_APB2ENR_SYSCFGEN BIT(14)
#endif
diff --git a/arch/arm/include/asm/arch-stm32f7/stm32.h b/arch/arm/include/asm/arch-stm32f7/stm32.h
index 14e3398768..87aee6057b 100644
--- a/arch/arm/include/asm/arch-stm32f7/stm32.h
+++ b/arch/arm/include/asm/arch-stm32f7/stm32.h
@@ -57,12 +57,6 @@ static const u32 sect_sz_kb[CONFIG_SYS_MAX_FLASH_SECT] = {
[5 ... 7] = 256 * 1024
};
-enum clock {
- CLOCK_CORE,
- CLOCK_AHB,
- CLOCK_APB1,
- CLOCK_APB2
-};
#define STM32_BUS_MASK GENMASK(31, 16)
struct stm32_rcc_regs {
@@ -101,11 +95,6 @@ struct stm32_rcc_regs {
};
#define STM32_RCC ((struct stm32_rcc_regs *)RCC_BASE)
-struct stm32_rcc_ext_f7_regs {
- u32 dckcfgr2; /* dedicated clocks configuration register */
-};
-#define STM32_RCC_EXT_F7 ((struct stm32_rcc_ext_f7_regs *) (RCC_BASE + sizeof(struct stm32_rcc_regs)))
-
struct stm32_pwr_regs {
u32 cr1; /* power control register 1 */
u32 csr1; /* power control/status register 2 */
@@ -114,8 +103,6 @@ struct stm32_pwr_regs {
};
#define STM32_PWR ((struct stm32_pwr_regs *)PWR_BASE)
-int configure_clocks(void);
-unsigned long clock_get(enum clock clck);
void stm32_flash_latency_cfg(int latency);
#endif /* _ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/include/asm/arch-stm32f7/stm32_periph.h b/arch/arm/include/asm/arch-stm32f7/stm32_periph.h
index 3c5604ae29..9c1ec02233 100644
--- a/arch/arm/include/asm/arch-stm32f7/stm32_periph.h
+++ b/arch/arm/include/asm/arch-stm32f7/stm32_periph.h
@@ -21,24 +21,9 @@ enum periph_id {
};
enum periph_clock {
- USART1_CLOCK_CFG = 0,
- USART2_CLOCK_CFG,
- GPIO_A_CLOCK_CFG,
- GPIO_B_CLOCK_CFG,
- GPIO_C_CLOCK_CFG,
- GPIO_D_CLOCK_CFG,
- GPIO_E_CLOCK_CFG,
- GPIO_F_CLOCK_CFG,
- GPIO_G_CLOCK_CFG,
- GPIO_H_CLOCK_CFG,
- GPIO_I_CLOCK_CFG,
- GPIO_J_CLOCK_CFG,
- GPIO_K_CLOCK_CFG,
SYSCFG_CLOCK_CFG,
TIMER2_CLOCK_CFG,
- FMC_CLOCK_CFG,
STMMAC_CLOCK_CFG,
- QSPI_CLOCK_CFG,
};
#endif /* __ASM_ARM_ARCH_PERIPH_H */
diff --git a/arch/arm/mach-keystone/cmd_mon.c b/arch/arm/mach-keystone/cmd_mon.c
index 591e75826b..c2525bd756 100644
--- a/arch/arm/mach-keystone/cmd_mon.c
+++ b/arch/arm/mach-keystone/cmd_mon.c
@@ -19,6 +19,7 @@ static int do_mon_install(cmd_tbl_t *cmdtp, int flag, int argc,
u32 addr, dpsc_base = 0x1E80000, freq, load_addr, size;
int rcode = 0;
struct image_header *header;
+ u32 ecrypt_bm_addr = 0;
if (argc < 2)
return CMD_RET_USAGE;
@@ -39,14 +40,17 @@ static int do_mon_install(cmd_tbl_t *cmdtp, int flag, int argc,
memcpy((void *)load_addr, (void *)(addr + sizeof(struct image_header)),
size);
- rcode = mon_install(load_addr, dpsc_base, freq);
+ if (argc >= 3)
+ ecrypt_bm_addr = simple_strtoul(argv[2], NULL, 16);
+
+ rcode = mon_install(load_addr, dpsc_base, freq, ecrypt_bm_addr);
printf("## installed monitor @ 0x%x, freq [%d], status %d\n",
load_addr, freq, rcode);
return 0;
}
-U_BOOT_CMD(mon_install, 2, 0, do_mon_install,
+U_BOOT_CMD(mon_install, 3, 0, do_mon_install,
"Install boot kernel at 'addr'",
""
);
diff --git a/arch/arm/mach-keystone/include/mach/mon.h b/arch/arm/mach-keystone/include/mach/mon.h
index eb7aa938af..30c57e0f8f 100644
--- a/arch/arm/mach-keystone/include/mach/mon.h
+++ b/arch/arm/mach-keystone/include/mach/mon.h
@@ -10,7 +10,7 @@
#ifndef _MACH_MON_H_
#define _MACH_MON_H_
-int mon_install(u32 addr, u32 dpsc, u32 freq);
+int mon_install(u32 addr, u32 dpsc, u32 freq, u32 bm_addr);
int mon_power_on(int core_id, void *ep);
int mon_power_off(int core_id);
diff --git a/arch/arm/mach-keystone/mon.c b/arch/arm/mach-keystone/mon.c
index ebfb483a1b..dd446ab011 100644
--- a/arch/arm/mach-keystone/mon.c
+++ b/arch/arm/mach-keystone/mon.c
@@ -13,7 +13,7 @@
#include <spl.h>
asm(".arch_extension sec\n\t");
-int mon_install(u32 addr, u32 dpsc, u32 freq)
+int mon_install(u32 addr, u32 dpsc, u32 freq, u32 bm_addr)
{
int result;
@@ -22,11 +22,13 @@ int mon_install(u32 addr, u32 dpsc, u32 freq)
"mov r0, %1\n"
"mov r1, %2\n"
"mov r2, %3\n"
+ "mov r3, %4\n"
"blx r0\n"
+ "mov %0, r0\n"
"ldmfd r13!, {lr}\n"
: "=&r" (result)
- : "r" (addr), "r" (dpsc), "r" (freq)
- : "cc", "r0", "r1", "r2", "memory");
+ : "r" (addr), "r" (dpsc), "r" (freq), "r" (bm_addr)
+ : "cc", "r0", "r1", "r2", "r3", "memory");
return result;
}
@@ -40,6 +42,7 @@ int mon_power_on(int core_id, void *ep)
"mov r2, %2\n"
"mov r0, #0\n"
"smc #0\n"
+ "mov %0, r0\n"
"ldmfd r13!, {lr}\n"
: "=&r" (result)
: "r" (core_id), "r" (ep)
@@ -56,6 +59,7 @@ int mon_power_off(int core_id)
"mov r1, %1\n"
"mov r0, #1\n"
"smc #1\n"
+ "mov %0, r0\n"
"ldmfd r13!, {lr}\n"
: "=&r" (result)
: "r" (core_id)
@@ -89,6 +93,7 @@ static int k2_hs_bm_auth(int cmd, void *arg1)
"mov r0, %1\n"
"mov r1, %2\n"
"smc #2\n"
+ "mov %0, r0\n"
"ldmfd r13!, {r4-r12, lr}\n"
: "=&r" (result)
: "r" (cmd), "r" (arg1)
diff --git a/arch/mips/Makefile.postlink b/arch/mips/Makefile.postlink
new file mode 100644
index 0000000000..7da3acdf52
--- /dev/null
+++ b/arch/mips/Makefile.postlink
@@ -0,0 +1,23 @@
+#
+# Copyright (c) 2017 Imagination Technologies Ltd.
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+PHONY := __archpost
+__archpost:
+
+-include include/config/auto.conf
+include scripts/Kbuild.include
+
+CMD_RELOCS = tools/mips-relocs
+quiet_cmd_relocs = RELOCS $@
+ cmd_relocs = $(CMD_RELOCS) $@
+
+u-boot: FORCE
+ @true
+ $(call if_changed,relocs)
+
+.PHONY: FORCE
+
+FORCE:
diff --git a/arch/mips/config.mk b/arch/mips/config.mk
index 2c72c1553d..cefdbe65e1 100644
--- a/arch/mips/config.mk
+++ b/arch/mips/config.mk
@@ -56,25 +56,14 @@ PLATFORM_ELFFLAGS += -B mips $(OBJCOPYFLAGS)
# LDFLAGS_vmlinux += -G 0 -static -n -nostdlib
# MODFLAGS += -mlong-calls
#
-# On the other hand, we want PIC in the U-Boot code to relocate it from ROM
-# to RAM. $28 is always used as gp.
-#
-ifdef CONFIG_SPL_BUILD
-PF_ABICALLS := -mno-abicalls
-PF_PIC := -fno-pic
-PF_PIE :=
-else
-PF_ABICALLS := -mabicalls
-PF_PIC := -fpic
-PF_PIE := -pie
-PF_OBJCOPY := -j .got -j .rel.dyn -j .padding
-PF_OBJCOPY += -j .dtb.init.rodata
+ifndef CONFIG_SPL_BUILD
+OBJCOPYFLAGS += -j .got -j .rel -j .padding -j .dtb.init.rodata
+LDFLAGS_FINAL += --emit-relocs
endif
-PLATFORM_CPPFLAGS += -G 0 $(PF_ABICALLS) $(PF_PIC)
+PLATFORM_CPPFLAGS += -G 0 -mno-abicalls -fno-pic
PLATFORM_CPPFLAGS += -msoft-float
PLATFORM_LDFLAGS += -G 0 -static -n -nostdlib
PLATFORM_RELFLAGS += -ffunction-sections -fdata-sections
-LDFLAGS_FINAL += --gc-sections $(PF_PIE)
+LDFLAGS_FINAL += --gc-sections
OBJCOPYFLAGS += -j .text -j .rodata -j .data -j .u_boot_list
-OBJCOPYFLAGS += $(PF_OBJCOPY)
diff --git a/arch/mips/cpu/start.S b/arch/mips/cpu/start.S
index d01ee9f9bd..952c57afd7 100644
--- a/arch/mips/cpu/start.S
+++ b/arch/mips/cpu/start.S
@@ -221,18 +221,6 @@ wr_done:
ehb
#endif
- /*
- * Initialize $gp, force pointer sized alignment of bal instruction to
- * forbid the compiler to put nop's between bal and _gp. This is
- * required to keep _gp and ra aligned to 8 byte.
- */
- .align PTRLOG
- bal 1f
- nop
- PTR _gp
-1:
- PTR_L gp, 0(ra)
-
#ifdef CONFIG_MIPS_CM
PTR_LA t9, mips_cm_map
jalr t9
@@ -291,121 +279,3 @@ wr_done:
move ra, zero
END(_start)
-
-/*
- * void relocate_code (addr_sp, gd, addr_moni)
- *
- * This "function" does not return, instead it continues in RAM
- * after relocating the monitor code.
- *
- * a0 = addr_sp
- * a1 = gd
- * a2 = destination address
- */
-ENTRY(relocate_code)
- move sp, a0 # set new stack pointer
- move fp, sp
-
- move s0, a1 # save gd in s0
- move s2, a2 # save destination address in s2
-
- PTR_LI t0, CONFIG_SYS_MONITOR_BASE
- PTR_SUB s1, s2, t0 # s1 <-- relocation offset
-
- PTR_LA t2, __image_copy_end
- move t1, a2
-
- /*
- * t0 = source address
- * t1 = target address
- * t2 = source end address
- */
-1:
- PTR_L t3, 0(t0)
- PTR_S t3, 0(t1)
- PTR_ADDU t0, PTRSIZE
- blt t0, t2, 1b
- PTR_ADDU t1, PTRSIZE
-
- /*
- * Now we want to update GOT.
- *
- * GOT[0] is reserved. GOT[1] is also reserved for the dynamic object
- * generated by GNU ld. Skip these reserved entries from relocation.
- */
- PTR_LA t3, num_got_entries
- PTR_LA t8, _GLOBAL_OFFSET_TABLE_
- PTR_ADD t8, s1 # t8 now holds relocated _G_O_T_
- PTR_ADDIU t8, t8, 2 * PTRSIZE # skipping first two entries
- PTR_LI t2, 2
-1:
- PTR_L t1, 0(t8)
- beqz t1, 2f
- PTR_ADD t1, s1
- PTR_S t1, 0(t8)
-2:
- PTR_ADDIU t2, 1
- blt t2, t3, 1b
- PTR_ADDIU t8, PTRSIZE
-
- /* Update dynamic relocations */
- PTR_LA t1, __rel_dyn_start
- PTR_LA t2, __rel_dyn_end
-
- b 2f # skip first reserved entry
- PTR_ADDIU t1, 2 * PTRSIZE
-
-1:
- lw t8, -4(t1) # t8 <-- relocation info
-
- PTR_LI t3, MIPS_RELOC
- bne t8, t3, 2f # skip non-MIPS_RELOC entries
- nop
-
- PTR_L t3, -(2 * PTRSIZE)(t1) # t3 <-- location to fix up in FLASH
-
- PTR_L t8, 0(t3) # t8 <-- original pointer
- PTR_ADD t8, s1 # t8 <-- adjusted pointer
-
- PTR_ADD t3, s1 # t3 <-- location to fix up in RAM
- PTR_S t8, 0(t3)
-
-2:
- blt t1, t2, 1b
- PTR_ADDIU t1, 2 * PTRSIZE # each rel.dyn entry is 2*PTRSIZE bytes
-
- /*
- * Flush caches to ensure our newly modified instructions are visible
- * to the instruction cache. We're still running with the old GOT, so
- * apply the reloc offset to the start address.
- */
- PTR_LA a0, __text_start
- PTR_LA a1, __text_end
- PTR_SUB a1, a1, a0
- PTR_LA t9, flush_cache
- jalr t9
- PTR_ADD a0, s1
-
- PTR_ADD gp, s1 # adjust gp
-
- /*
- * Clear BSS
- *
- * GOT is now relocated. Thus __bss_start and __bss_end can be
- * accessed directly via $gp.
- */
- PTR_LA t1, __bss_start # t1 <-- __bss_start
- PTR_LA t2, __bss_end # t2 <-- __bss_end
-
-1:
- PTR_S zero, 0(t1)
- blt t1, t2, 1b
- PTR_ADDIU t1, PTRSIZE
-
- move a0, s0 # a0 <-- gd
- move a1, s2
- PTR_LA t9, board_init_r
- jr t9
- move ra, zero
-
- END(relocate_code)
diff --git a/arch/mips/cpu/u-boot.lds b/arch/mips/cpu/u-boot.lds
index 0129c99611..bd5536f013 100644
--- a/arch/mips/cpu/u-boot.lds
+++ b/arch/mips/cpu/u-boot.lds
@@ -34,15 +34,6 @@ SECTIONS
*(.data*)
}
- . = .;
- _gp = ALIGN(16) + 0x7ff0;
-
- .got : {
- *(.got)
- }
-
- num_got_entries = SIZEOF(.got) >> PTR_COUNT_SHIFT;
-
. = ALIGN(4);
.sdata : {
*(.sdata*)
@@ -57,33 +48,19 @@ SECTIONS
__image_copy_end = .;
__init_end = .;
- .rel.dyn : {
- __rel_dyn_start = .;
- *(.rel.dyn)
- __rel_dyn_end = .;
- }
-
- .padding : {
- /*
- * Workaround for a binutils feature (or bug?).
- *
- * The GNU ld from binutils puts the dynamic relocation
- * entries into the .rel.dyn section. Sometimes it
- * allocates more dynamic relocation entries than it needs
- * and the unused slots are set to R_MIPS_NONE entries.
- *
- * However the size of the .rel.dyn section in the ELF
- * section header does not cover the unused entries, so
- * objcopy removes those during stripping.
- *
- * Create a small section here to avoid that.
- */
- LONG(0xFFFFFFFF)
+ /*
+ * .rel must come last so that the mips-relocs tool can shrink
+ * the section size & the PT_LOAD program header filesz.
+ */
+ .rel : {
+ __rel_start = .;
+ BYTE(0x0)
+ . += (32 * 1024) - 1;
}
_end = .;
- .bss __rel_dyn_start (OVERLAY) : {
+ .bss __rel_start (OVERLAY) : {
__bss_start = .;
*(.sbss.*)
*(.bss.*)
diff --git a/arch/mips/include/asm/relocs.h b/arch/mips/include/asm/relocs.h
new file mode 100644
index 0000000000..92e9d04f7c
--- /dev/null
+++ b/arch/mips/include/asm/relocs.h
@@ -0,0 +1,24 @@
+/*
+ * MIPS Relocations
+ *
+ * Copyright (c) 2017 Imagination Technologies Ltd.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __ASM_MIPS_RELOCS_H__
+#define __ASM_MIPS_RELOCS_H__
+
+#define R_MIPS_NONE 0
+#define R_MIPS_32 2
+#define R_MIPS_26 4
+#define R_MIPS_HI16 5
+#define R_MIPS_LO16 6
+#define R_MIPS_PC16 10
+#define R_MIPS_64 18
+#define R_MIPS_HIGHER 28
+#define R_MIPS_HIGHEST 29
+#define R_MIPS_PC21_S2 60
+#define R_MIPS_PC26_S2 61
+
+#endif /* __ASM_MIPS_RELOCS_H__ */
diff --git a/arch/mips/include/asm/sections.h b/arch/mips/include/asm/sections.h
index fc4640a392..b9d217999e 100644
--- a/arch/mips/include/asm/sections.h
+++ b/arch/mips/include/asm/sections.h
@@ -8,4 +8,11 @@
#include <asm-generic/sections.h>
+/**
+ * __rel_start: Relocation data generated by the mips-relocs tool
+ *
+ * See arch/mips/lib/reloc.c for details on the format & use of this data.
+ */
+extern uint8_t __rel_start[];
+
#endif
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index 659c6ad187..ef557c6932 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -8,6 +8,7 @@
obj-y += cache.o
obj-y += cache_init.o
obj-y += genex.o
+obj-y += reloc.o
obj-y += stack.o
obj-y += traps.o
diff --git a/arch/mips/lib/bootm.c b/arch/mips/lib/bootm.c
index be877625a8..2b6790524c 100644
--- a/arch/mips/lib/bootm.c
+++ b/arch/mips/lib/bootm.c
@@ -279,17 +279,17 @@ static void boot_prep_linux(bootm_headers_t *images)
boot_reloc_fdt(images);
boot_setup_fdt(images);
} else {
- if (CONFIG_IS_ENABLED(CONFIG_MIPS_BOOT_ENV_LEGACY))
- linux_env_legacy(images);
-
if (CONFIG_IS_ENABLED(MIPS_BOOT_CMDLINE_LEGACY)) {
linux_cmdline_legacy(images);
- if (!CONFIG_IS_ENABLED(CONFIG_MIPS_BOOT_ENV_LEGACY))
+ if (!CONFIG_IS_ENABLED(MIPS_BOOT_ENV_LEGACY))
linux_cmdline_append(images);
linux_cmdline_dump();
}
+
+ if (CONFIG_IS_ENABLED(MIPS_BOOT_ENV_LEGACY))
+ linux_env_legacy(images);
}
}
diff --git a/arch/mips/lib/reloc.c b/arch/mips/lib/reloc.c
new file mode 100644
index 0000000000..d0c52c9674
--- /dev/null
+++ b/arch/mips/lib/reloc.c
@@ -0,0 +1,164 @@
+/*
+ * MIPS Relocation
+ *
+ * Copyright (c) 2017 Imagination Technologies Ltd.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ * Relocation data, found in the .rel section, is generated by the mips-relocs
+ * tool & contains a record of all locations in the U-Boot binary that need to
+ * be fixed up during relocation.
+ *
+ * The data is a sequence of unsigned integers, which are of somewhat arbitrary
+ * size. This is achieved by encoding integers as a sequence of bytes, each of
+ * which contains 7 bits of data with the most significant bit indicating
+ * whether any further bytes need to be read. The least significant bits of the
+ * integer are found in the first byte - ie. it somewhat resembles little
+ * endian.
+ *
+ * Each pair of two integers represents a relocation that must be applied. The
+ * first integer represents the type of relocation as a standard ELF relocation
+ * type (ie. R_MIPS_*). The second integer represents the offset at which to
+ * apply the relocation, relative to the previous relocation or for the first
+ * relocation the start of the relocated .text section.
+ *
+ * The end of the relocation data is indicated when type R_MIPS_NONE (0) is
+ * read, at which point no further integers should be read. That is, the
+ * terminating R_MIPS_NONE reloc includes no offset.
+ */
+
+#include <common.h>
+#include <asm/relocs.h>
+#include <asm/sections.h>
+
+/**
+ * read_uint() - Read an unsigned integer from the buffer
+ * @buf: pointer to a pointer to the reloc buffer
+ *
+ * Read one whole unsigned integer from the relocation data pointed to by @buf,
+ * advancing @buf past the bytes encoding the integer.
+ *
+ * Returns: the integer read from @buf
+ */
+static unsigned long read_uint(uint8_t **buf)
+{
+ unsigned long val = 0;
+ unsigned int shift = 0;
+ uint8_t new;
+
+ do {
+ new = *(*buf)++;
+ val |= (new & 0x7f) << shift;
+ shift += 7;
+ } while (new & 0x80);
+
+ return val;
+}
+
+/**
+ * apply_reloc() - Apply a single relocation
+ * @type: the type of reloc (R_MIPS_*)
+ * @addr: the address that the reloc should be applied to
+ * @off: the relocation offset, ie. number of bytes we're moving U-Boot by
+ *
+ * Apply a single relocation of type @type at @addr. This function is
+ * intentionally simple, and does the bare minimum needed to fixup the
+ * relocated U-Boot - in particular, it does not check for overflows.
+ */
+static void apply_reloc(unsigned int type, void *addr, long off)
+{
+ uint32_t u32;
+
+ switch (type) {
+ case R_MIPS_26:
+ u32 = *(uint32_t *)addr;
+ u32 = (u32 & GENMASK(31, 26)) |
+ ((u32 + (off >> 2)) & GENMASK(25, 0));
+ *(uint32_t *)addr = u32;
+ break;
+
+ case R_MIPS_32:
+ *(uint32_t *)addr += off;
+ break;
+
+ case R_MIPS_64:
+ *(uint64_t *)addr += off;
+ break;
+
+ case R_MIPS_HI16:
+ *(uint32_t *)addr += off >> 16;
+ break;
+
+ default:
+ panic("Unhandled reloc type %u\n", type);
+ }
+}
+
+/**
+ * relocate_code() - Relocate U-Boot, generally from flash to DDR
+ * @start_addr_sp: new stack pointer
+ * @new_gd: pointer to relocated global data
+ * @relocaddr: the address to relocate to
+ *
+ * Relocate U-Boot from its current location (generally in flash) to a new one
+ * (generally in DDR). This function will copy the U-Boot binary & apply
+ * relocations as necessary, then jump to board_init_r in the new build of
+ * U-Boot. As such, this function does not return.
+ */
+void relocate_code(ulong start_addr_sp, gd_t *new_gd, ulong relocaddr)
+{
+ unsigned long addr, length, bss_len;
+ uint8_t *buf, *bss_start;
+ unsigned int type;
+ long off;
+
+ /*
+ * Ensure that we're relocating by an offset which is a multiple of
+ * 64KiB, ie. doesn't change the least significant 16 bits of any
+ * addresses. This allows us to discard R_MIPS_LO16 relocs, saving
+ * space in the U-Boot binary & complexity in handling them.
+ */
+ off = relocaddr - (unsigned long)__text_start;
+ if (off & 0xffff)
+ panic("Mis-aligned relocation\n");
+
+ /* Copy U-Boot to RAM */
+ length = __image_copy_end - __text_start;
+ memcpy((void *)relocaddr, __text_start, length);
+
+ /* Now apply relocations to the copy in RAM */
+ buf = __rel_start;
+ addr = relocaddr;
+ while (true) {
+ type = read_uint(&buf);
+ if (type == R_MIPS_NONE)
+ break;
+
+ addr += read_uint(&buf) << 2;
+ apply_reloc(type, (void *)addr, off);
+ }
+
+ /* Ensure the icache is coherent */
+ flush_cache(relocaddr, length);
+
+ /* Clear the .bss section */
+ bss_start = (uint8_t *)((unsigned long)__bss_start + off);
+ bss_len = (unsigned long)&__bss_end - (unsigned long)__bss_start;
+ memset(bss_start, 0, bss_len);
+
+ /* Jump to the relocated U-Boot */
+ asm volatile(
+ "move $29, %0\n"
+ " move $4, %1\n"
+ " move $5, %2\n"
+ " move $31, $0\n"
+ " jr %3"
+ : /* no outputs */
+ : "r"(start_addr_sp),
+ "r"(new_gd),
+ "r"(relocaddr),
+ "r"((unsigned long)board_init_r + off));
+
+ /* Since we jumped to the new U-Boot above, we won't get here */
+ unreachable();
+}
generated by cgit (git 2.34.1) at 2025-01-14 22:25:39 +0000