diff options
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/Kconfig | 1 | ||||
-rw-r--r-- | arch/arm/cpu/armv8/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/cpu/armv8/fel_utils.S | 78 | ||||
-rw-r--r-- | arch/arm/dts/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/dts/sama7g5.dtsi | 170 | ||||
-rw-r--r-- | arch/arm/dts/sama7g5ek-u-boot.dtsi | 65 | ||||
-rw-r--r-- | arch/arm/dts/sama7g5ek.dts | 202 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-sunxi/boot0.h | 14 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-sunxi/spl.h | 68 | ||||
-rw-r--r-- | arch/arm/mach-at91/Kconfig | 8 | ||||
-rw-r--r-- | arch/arm/mach-sunxi/Kconfig | 11 | ||||
-rw-r--r-- | arch/arm/mach-sunxi/dram_sun50i_h6.c | 100 |
12 files changed, 613 insertions, 110 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 6b5235e740..95557d6ed6 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1046,6 +1046,7 @@ config ARCH_SUNXI select SPL_USE_TINY_PRINTF select USE_PREBOOT select SYS_RELOC_GD_ENV_ADDR + imply BOARD_LATE_INIT imply CMD_DM imply CMD_GPT imply CMD_UBI if MTD_RAW_NAND diff --git a/arch/arm/cpu/armv8/Makefile b/arch/arm/cpu/armv8/Makefile index 93d26f9856..f7b4a5ee46 100644 --- a/arch/arm/cpu/armv8/Makefile +++ b/arch/arm/cpu/armv8/Makefile @@ -27,6 +27,8 @@ obj-$(CONFIG_ARM_SMCCC) += smccc-call.o ifndef CONFIG_SPL_BUILD obj-$(CONFIG_ARMV8_SPIN_TABLE) += spin_table.o spin_table_v8.o +else +obj-$(CONFIG_ARCH_SUNXI) += fel_utils.o endif obj-$(CONFIG_$(SPL_)ARMV8_SEC_FIRMWARE_SUPPORT) += sec_firmware.o sec_firmware_asm.o diff --git a/arch/arm/cpu/armv8/fel_utils.S b/arch/arm/cpu/armv8/fel_utils.S new file mode 100644 index 0000000000..9510dcd9e4 --- /dev/null +++ b/arch/arm/cpu/armv8/fel_utils.S @@ -0,0 +1,78 @@ +/* + * Utility functions for FEL mode, when running SPL in AArch64. + * + * Copyright (c) 2017 Arm Ltd. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm-offsets.h> +#include <config.h> +#include <asm/system.h> +#include <linux/linkage.h> + +/* + * We don't overwrite save_boot_params() here, to save the FEL state upon + * entry, since this would run *after* the RMR reset, which clobbers that + * state. + * Instead we store the state _very_ early in the boot0 hook, *before* + * resetting to AArch64. + */ + +/* + * The FEL routines in BROM run in AArch32. + * Reset back into 32-bit mode here and restore the saved FEL state + * afterwards. + * Resetting back into AArch32/EL3 using the RMR always enters the BROM, + * but we can use the CPU hotplug mechanism to branch back to our code + * immediately. + */ +ENTRY(return_to_fel) + /* + * the RMR reset will clear all registers, so save the arguments + * (LR and SP) in the fel_stash structure, which we read anyways later + */ + adr x2, fel_stash + str w0, [x2] + str w1, [x2, #4] + + adr x1, fel_stash_addr // to find the fel_stash address in AA32 + str w2, [x1] + + ldr x0, =0xfa50392f // CPU hotplug magic +#ifdef CONFIG_MACH_SUN50I_H6 + ldr x2, =(SUNXI_RTC_BASE + 0x1b8) // BOOT_CPU_HP_FLAG_REG + str w0, [x2], #0x4 +#else + ldr x2, =(SUNXI_CPUCFG_BASE + 0x1a4) // offset for CPU hotplug base + str w0, [x2, #0x8] +#endif + adr x0, back_in_32 + str w0, [x2] + + dsb sy + isb sy + mov x0, #2 // RMR reset into AArch32 + dsb sy + msr RMR_EL3, x0 + isb sy +1: wfi + b 1b + +/* AArch32 code to restore the state from fel_stash and return back to FEL. */ +back_in_32: + .word 0xe59f0028 // ldr r0, [pc, #40] ; load fel_stash address + .word 0xe5901008 // ldr r1, [r0, #8] + .word 0xe129f001 // msr CPSR_fc, r1 + .word 0xf57ff06f // isb + .word 0xe590d000 // ldr sp, [r0] + .word 0xe590e004 // ldr lr, [r0, #4] + .word 0xe5901010 // ldr r1, [r0, #16] + .word 0xee0c1f10 // mcr 15, 0, r1, cr12, cr0, {0} ; VBAR + .word 0xe590100c // ldr r1, [r0, #12] + .word 0xee011f10 // mcr 15, 0, r1, cr1, cr0, {0} ; SCTLR + .word 0xf57ff06f // isb + .word 0xe12fff1e // bx lr ; return to FEL +fel_stash_addr: + .word 0x00000000 // receives fel_stash addr, by AA64 code above +ENDPROC(return_to_fel) diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index fd47e408f8..0f738c224f 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -590,6 +590,7 @@ dtb-$(CONFIG_MACH_SUN8I_R40) += \ sun8i-r40-bananapi-m2-ultra.dtb \ sun8i-v40-bananapi-m2-berry.dtb dtb-$(CONFIG_MACH_SUN8I_V3S) += \ + sun8i-s3-pinecube.dtb \ sun8i-v3s-licheepi-zero.dtb dtb-$(CONFIG_MACH_SUN50I_H5) += \ sun50i-h5-bananapi-m2-plus.dtb \ @@ -889,6 +890,9 @@ dtb-$(CONFIG_TARGET_OMAP4_SDP4430) += \ dtb-$(CONFIG_TARGET_OMAP5_UEVM) += \ omap5-uevm.dtb +dtb-$(CONFIG_TARGET_SAMA7G5EK) += \ + sama7g5ek.dtb + dtb-$(CONFIG_TARGET_SAMA5D2_PTC_EK) += \ at91-sama5d2_ptc_ek.dtb diff --git a/arch/arm/dts/sama7g5.dtsi b/arch/arm/dts/sama7g5.dtsi new file mode 100644 index 0000000000..0cb6eaf5d0 --- /dev/null +++ b/arch/arm/dts/sama7g5.dtsi @@ -0,0 +1,170 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * sama7g5.dtsi - Device Tree Include file for SAMA7G5 SoC. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Eugen Hristev <eugen.hristev@microchip.com> + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + */ + +#include "skeleton.dtsi" +#include <dt-bindings/clk/at91.h> + +/ { + model = "Microchip SAMA7G5 family SoC"; + compatible = "microchip,sama7g5"; + + clocks { + slow_rc_osc: slow_rc_osc { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32000>; + }; + + main_rc: main_rc { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <12000000>; + }; + + slow_xtal: slow_xtal { + compatible = "fixed-clock"; + #clock-cells = <0>; + }; + + main_xtal: main_xtal { + compatible = "fixed-clock"; + #clock-cells = <0>; + }; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + A7_0: cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a7"; + clocks = <&pmc PMC_TYPE_CORE 8>, <&pmc PMC_TYPE_CORE 22>, <&main_xtal>; + clock-names = "cpu", "master", "xtal"; + }; + }; + + ahb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + + apb { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + + pioA: pinctrl@e0014000 { + compatible = "atmel,sama5d2-gpio"; + reg = <0xe0014000 0x800>; + gpio-controller; + #gpio-cells = <2>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 11>; + status = "okay"; + + pinctrl: pinctrl_default { + compatible = "microchip,sama7g5-pinctrl"; + }; + }; + + pmc: pmc@e0018000 { + compatible = "microchip,sama7g5-pmc"; + reg = <0xe0018000 0x200>; + #clock-cells = <2>; + clocks = <&clk32 1>, <&clk32 0>, <&main_xtal>, <&main_rc>; + clock-names = "td_slck", "md_slck", "main_xtal", "main_rc"; + status = "okay"; + }; + + clk32: sckc@e001d050 { + compatible = "microchip,sam9x60-sckc"; + reg = <0xe001d050 0x4>; + clocks = <&slow_rc_osc>, <&slow_xtal>; + #clock-cells = <1>; + }; + + sdmmc0: sdio-host@e1204000 { + compatible = "microchip,sama7g5-sdhci"; + reg = <0xe1204000 0x300>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 80>, <&pmc PMC_TYPE_GCK 80>; + clock-names = "hclock", "multclk"; + assigned-clocks = <&pmc PMC_TYPE_GCK 80>; + assigned-clock-rates = <200000000>; + assigned-clock-parents = <&pmc PMC_TYPE_CORE 10>; /* sys pll div. */ + status = "disabled"; + }; + + sdmmc1: sdio-host@e1208000 { + compatible = "microchip,sama7g5-sdhci"; + reg = <0xe1208000 0x300>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 81>, <&pmc PMC_TYPE_GCK 81>; + clock-names = "hclock", "multclk"; + assigned-clocks = <&pmc PMC_TYPE_GCK 81>; + assigned-clock-rates = <200000000>; + assigned-clock-parents = <&pmc PMC_TYPE_CORE 10>; /* sys pll div. */ + status = "disabled"; + }; + + pit64b0: timer@e1800000 { + compatible = "microchip,sama7g5-pit64b"; + reg = <0xe1800000 0x4000>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 70>, <&pmc PMC_TYPE_GCK 70>; + clock-names = "pclk", "gclk"; + status = "okay"; + }; + + flx1: flexcom@e181c000 { + compatible = "atmel,sama5d2-flexcom"; + reg = <0xe181c000 0x200>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 39>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0xe181c000 0x800>; + status = "disabled"; + + i2c1: i2c@600 { + compatible = "atmel,sama5d2-i2c"; + reg = <0x600 0x200>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 39>; + }; + }; + + uart0: serial@e1824200 { + compatible = "atmel,at91sam9260-usart"; + reg = <0xe1824200 0x200>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 41>; + clock-names = "usart"; + status = "disabled"; + }; + + gmac0: ethernet@e2800000 { + compatible = "cdns,sama7g5-gem"; + reg = <0xe2800000 0x4000>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 51>, <&pmc PMC_TYPE_PERIPHERAL 51>, <&pmc PMC_TYPE_GCK 51>; + clock-names = "hclk", "pclk", "tx_clk"; + assigned-clocks = <&pmc PMC_TYPE_GCK 51>; + assigned-clock-parents = <&pmc PMC_TYPE_CORE 21>; /* eth pll div. */ + assigned-clock-rates = <125000000>; + status = "disabled"; + }; + + gmac1: ethernet@e2804000 { + compatible = "cdns,sama7g5-emac"; + reg = <0xe2804000 0x1000>; + clocks = <&pmc PMC_TYPE_PERIPHERAL 52>, <&pmc PMC_TYPE_PERIPHERAL 52>; + clock-names = "pclk", "hclk"; + status = "disabled"; + }; + }; + }; +}; diff --git a/arch/arm/dts/sama7g5ek-u-boot.dtsi b/arch/arm/dts/sama7g5ek-u-boot.dtsi new file mode 100644 index 0000000000..5e1a0d53a5 --- /dev/null +++ b/arch/arm/dts/sama7g5ek-u-boot.dtsi @@ -0,0 +1,65 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * sama7g5ek-u-boot.dts - Device Tree file for SAMA7G5 SoC u-boot properties. + * + * Copyright (C) 2020 Microchip Technology Inc. and its subsidiaries + * + * Author: Eugen Hristev <eugen.hristev@microchip.com> + * Author: Claudiu Beznea <claudiu.beznea@microchip.com> + * + */ + +/ { + chosen { + u-boot,dm-pre-reloc; + }; + + ahb { + u-boot,dm-pre-reloc; + + apb { + u-boot,dm-pre-reloc; + }; + }; +}; + +&main_rc { + u-boot,dm-pre-reloc; +}; + +&main_xtal { + u-boot,dm-pre-reloc; +}; + +&pioA { + u-boot,dm-pre-reloc; + + pinctrl { + u-boot,dm-pre-reloc; + }; +}; + +&pinctrl_flx3_default { + u-boot,dm-pre-reloc; +}; + +&pit64b0 { + u-boot,dm-pre-reloc; +}; + +&pmc { + u-boot,dm-pre-reloc; +}; + +&slow_rc_osc { + u-boot,dm-pre-reloc; +}; + +&slow_xtal { + u-boot,dm-pre-reloc; +}; + +&uart0 { + u-boot,dm-pre-reloc; +}; + diff --git a/arch/arm/dts/sama7g5ek.dts b/arch/arm/dts/sama7g5ek.dts new file mode 100644 index 0000000000..ff9c9eb45c --- /dev/null +++ b/arch/arm/dts/sama7g5ek.dts @@ -0,0 +1,202 @@ +// SPDX-License-Identifier: GPL-2.0+ OR MIT +/* + * sama7g5ek.dts - Device Tree file for SAMA7G5 EK + * SAMA7G5 Evaluation Kit + * + * Copyright (c) 2020, Microchip Technology Inc. + * 2020, Eugen Hristev <eugen.hristev@microchip.com> + * 2020, Claudiu Beznea <claudiu.beznea@microchip.com> + */ +/dts-v1/; +#include "sama7g5.dtsi" +#include "sama7g5-pinfunc.h" + +/ { + model = "Microchip SAMA7G5 Evaluation Kit"; + compatible = "microchip,sama7g5ek", "microchip,sama7g54", "microchip,sama7g5", "microchip,sama7"; + + aliases { + serial0 = &uart0; + i2c0 = &i2c1; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + clocks { + slow_xtal: slow_xtal { + clock-frequency = <32768>; + }; + + main_xtal: main_xtal { + clock-frequency = <24000000>; + }; + }; + + ahb { + + apb { + sdmmc0: sdio-host@e1204000 { + bus-width = <8>; + non-removable; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sdmmc0_cmd_data_default + &pinctrl_sdmmc0_ck_rstn_ds_cd_default>; + status = "okay"; + }; + + sdmmc1: sdio-host@e1208000 { + bus-width = <4>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_sdmmc1_cmd_data_default + &pinctrl_sdmmc1_ck_cd_rstn_vddsel_default>; + status = "okay"; + }; + + uart0: serial@e1824200 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_flx3_default>; + status = "okay"; + }; + }; + }; +}; + +&flx1 { + atmel,flexcom-mode = <3>; + status = "okay"; +}; + +&i2c1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_flx1_default>; + status = "okay"; + + eeprom@52 { + compatible = "microchip,24aa02e48"; + reg = <0x52>; + pagesize = <16>; + }; + + eeprom@53 { + compatible = "microchip,24aa02e48"; + reg = <0x53>; + pagesize = <16>; + }; +}; + +&gmac0 { + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gmac0_default &pinctrl_gmac0_txc_default>; + phy-mode = "rgmii-id"; + status = "okay"; + + ethernet-phy@7 { + reg = <0x7>; + }; +}; + +&gmac1 { + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_gmac1_default>; + phy-mode = "rmii"; + status = "okay"; + + ethernet-phy@0 { + reg = <0x0>; + }; +}; + +&pinctrl { + pinctrl_flx1_default: flx1_default { + pinmux = <PIN_PC9__FLEXCOM1_IO0>, + <PIN_PC10__FLEXCOM1_IO1>; + bias-disable; + }; + + pinctrl_flx3_default: flx3_default { + pinmux = <PIN_PD16__FLEXCOM3_IO0>, + <PIN_PD17__FLEXCOM3_IO1>; + bias-disable; + }; + + pinctrl_sdmmc0_cmd_data_default: sdmmc0_cmd_data_default { + pinmux = <PIN_PA1__SDMMC0_CMD>, + <PIN_PA3__SDMMC0_DAT0>, + <PIN_PA4__SDMMC0_DAT1>, + <PIN_PA5__SDMMC0_DAT2>, + <PIN_PA6__SDMMC0_DAT3>, + <PIN_PA7__SDMMC0_DAT4>, + <PIN_PA8__SDMMC0_DAT5>, + <PIN_PA9__SDMMC0_DAT6>, + <PIN_PA10__SDMMC0_DAT7>; + bias-pull-up; + }; + + pinctrl_sdmmc0_ck_rstn_ds_cd_default: sdmmc0_ck_rstn_ds_cd_default { + pinmux = <PIN_PA0__SDMMC0_CK>, + <PIN_PA2__SDMMC0_RSTN>, + <PIN_PA11__SDMMC0_DS>, + <PIN_PA14__SDMMC0_CD>; + bias-pull-up; + }; + + pinctrl_sdmmc1_cmd_data_default: sdmmc1_cmd_data_default { + pinmux = <PIN_PB29__SDMMC1_CMD>, + <PIN_PB31__SDMMC1_DAT0>, + <PIN_PC0__SDMMC1_DAT1>, + <PIN_PC1__SDMMC1_DAT2>, + <PIN_PC2__SDMMC1_DAT3>; + bias-pull-up; + }; + + pinctrl_sdmmc1_ck_cd_rstn_vddsel_default: sdmmc1_ck_cd_rstn_vddsel_default { + pinmux = <PIN_PB30__SDMMC1_CK>, + <PIN_PB28__SDMMC1_RSTN>, + <PIN_PC5__SDMMC1_1V8SEL>, + <PIN_PC4__SDMMC1_CD>; + bias-pull-up; + }; + + pinctrl_gmac0_default: gmac0_default { + pinmux = <PIN_PA16__G0_TX0>, + <PIN_PA17__G0_TX1>, + <PIN_PA26__G0_TX2>, + <PIN_PA27__G0_TX3>, + <PIN_PA19__G0_RX0>, + <PIN_PA20__G0_RX1>, + <PIN_PA28__G0_RX2>, + <PIN_PA29__G0_RX3>, + <PIN_PA15__G0_TXEN>, + <PIN_PA30__G0_RXCK>, + <PIN_PA18__G0_RXDV>, + <PIN_PA22__G0_MDC>, + <PIN_PA23__G0_MDIO>, + <PIN_PA25__G0_125CK>; + bias-disable; + }; + + pinctrl_gmac0_txc_default: gmac0_txc_default { + pinmux = <PIN_PA24__G0_TXCK>; + bias-pull-up; + }; + + pinctrl_gmac1_default: gmac1_default { + pinmux = <PIN_PD30__G1_TXCK>, + <PIN_PD22__G1_TX0>, + <PIN_PD23__G1_TX1>, + <PIN_PD21__G1_TXEN>, + <PIN_PD25__G1_RX0>, + <PIN_PD26__G1_RX1>, + <PIN_PD27__G1_RXER>, + <PIN_PD24__G1_RXDV>, + <PIN_PD28__G1_MDC>, + <PIN_PD29__G1_MDIO>; + bias-disable; + }; +}; diff --git a/arch/arm/include/asm/arch-sunxi/boot0.h b/arch/arm/include/asm/arch-sunxi/boot0.h index 54c144afd8..46d0f0666c 100644 --- a/arch/arm/include/asm/arch-sunxi/boot0.h +++ b/arch/arm/include/asm/arch-sunxi/boot0.h @@ -15,6 +15,19 @@ tst x0, x0 // this is "b #0x84" in ARM b reset .space 0x7c + + .word 0xe28f0058 // add r0, pc, #88 + .word 0xe59f1054 // ldr r1, [pc, #84] + .word 0xe0800001 // add r0, r0, r1 + .word 0xe580d000 // str sp, [r0] + .word 0xe580e004 // str lr, [r0, #4] + .word 0xe10fe000 // mrs lr, CPSR + .word 0xe580e008 // str lr, [r0, #8] + .word 0xee11ef10 // mrc 15, 0, lr, cr1, cr0, {0} + .word 0xe580e00c // str lr, [r0, #12] + .word 0xee1cef10 // mrc 15, 0, lr, cr12, cr0, {0} + .word 0xe580e010 // str lr, [r0, #16] + .word 0xe59f1024 // ldr r1, [pc, #36] ; 0x170000a0 .word 0xe59f0024 // ldr r0, [pc, #36] ; CONFIG_*_TEXT_BASE .word 0xe5810000 // str r0, [r1] @@ -36,6 +49,7 @@ #else .word CONFIG_SYS_TEXT_BASE #endif + .word fel_stash - . #else /* normal execution */ b reset diff --git a/arch/arm/include/asm/arch-sunxi/spl.h b/arch/arm/include/asm/arch-sunxi/spl.h index 8c916e8c75..58cdf806d9 100644 --- a/arch/arm/include/asm/arch-sunxi/spl.h +++ b/arch/arm/include/asm/arch-sunxi/spl.h @@ -7,19 +7,7 @@ #ifndef _ASM_ARCH_SPL_H_ #define _ASM_ARCH_SPL_H_ -#define BOOT0_MAGIC "eGON.BT0" -#define SPL_SIGNATURE "SPL" /* marks "sunxi" SPL header */ -#define SPL_MAJOR_BITS 3 -#define SPL_MINOR_BITS 5 -#define SPL_VERSION(maj, min) \ - ((((maj) & ((1U << SPL_MAJOR_BITS) - 1)) << SPL_MINOR_BITS) | \ - ((min) & ((1U << SPL_MINOR_BITS) - 1))) - -#define SPL_HEADER_VERSION SPL_VERSION(0, 2) - -#define SPL_ENV_HEADER_VERSION SPL_VERSION(0, 1) -#define SPL_DT_HEADER_VERSION SPL_VERSION(0, 2) -#define SPL_DRAM_HEADER_VERSION SPL_VERSION(0, 3) +#include <sunxi_image.h> #define SPL_ADDR CONFIG_SUNXI_SRAM_ADDRESS @@ -31,59 +19,7 @@ #define SUNXI_BOOTED_FROM_MMC0_HIGH 0x10 #define SUNXI_BOOTED_FROM_MMC2_HIGH 0x12 -/* boot head definition from sun4i boot code */ -struct boot_file_head { - uint32_t b_instruction; /* one intruction jumping to real code */ - uint8_t magic[8]; /* ="eGON.BT0" or "eGON.BT1", not C-style str */ - uint32_t check_sum; /* generated by PC */ - uint32_t length; /* generated by PC */ - /* - * We use a simplified header, only filling in what is needed - * by the boot ROM. To be compatible with Allwinner tools we - * would need to implement the proper fields here instead of - * padding. - * - * Actually we want the ability to recognize our "sunxi" variant - * of the SPL. To do so, let's place a special signature into the - * "pub_head_size" field. We can reasonably expect Allwinner's - * boot0 to always have the upper 16 bits of this set to 0 (after - * all the value shouldn't be larger than the limit imposed by - * SRAM size). - * If the signature is present (at 0x14), then we know it's safe - * to use the remaining 8 bytes (at 0x18) for our own purposes. - * (E.g. sunxi-tools "fel" utility can pass information there.) - */ - union { - uint32_t pub_head_size; - uint8_t spl_signature[4]; - }; - uint32_t fel_script_address; /* since v0.1, set by sunxi-fel */ - /* - * If the fel_uEnv_length member below is set to a non-zero value, - * it specifies the size (byte count) of data at fel_script_address. - * At the same time this indicates that the data is in uEnv.txt - * compatible format, ready to be imported via "env import -t". - */ - uint32_t fel_uEnv_length; /* since v0.1, set by sunxi-fel */ - /* - * Offset of an ASCIIZ string (relative to the SPL header), which - * contains the default device tree name (CONFIG_DEFAULT_DEVICE_TREE). - * This is optional and may be set to NULL. Is intended to be used - * by flash programming tools for providing nice informative messages - * to the users. - */ - uint32_t dt_name_offset; /* since v0.2, set by mksunxiboot */ - uint32_t dram_size; /* in MiB, since v0.3, set by SPL */ - uint32_t boot_media; /* written here by the boot ROM */ - /* A padding area (may be used for storing text strings) */ - uint32_t string_pool[13]; /* since v0.2, filled by mksunxiboot */ - /* The header must be a multiple of 32 bytes (for VBAR alignment) */ -}; - -/* Compile time check to assure proper alignment of structure */ -typedef char boot_file_head_not_multiple_of_32[1 - 2*(sizeof(struct boot_file_head) % 32)]; - -#define is_boot0_magic(addr) (memcmp((void *)addr, BOOT0_MAGIC, 8) == 0) +#define is_boot0_magic(addr) (memcmp((void *)(addr), BOOT0_MAGIC, 8) == 0) uint32_t sunxi_get_boot_device(void); diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig index be1415f909..c78a308f48 100644 --- a/arch/arm/mach-at91/Kconfig +++ b/arch/arm/mach-at91/Kconfig @@ -265,6 +265,13 @@ config TARGET_CORVUS select SUPPORT_SPL imply CMD_DM +config TARGET_SAMA7G5EK + bool "SAMA7G5 EK board" + select SAMA7G5 + select BOARD_EARLY_INIT_F + select BOARD_LATE_INIT + + config TARGET_TAURUS bool "Support taurus" select AT91SAM9G20 @@ -327,6 +334,7 @@ source "board/atmel/at91sam9n12ek/Kconfig" source "board/atmel/at91sam9rlek/Kconfig" source "board/atmel/at91sam9x5ek/Kconfig" source "board/atmel/sam9x60ek/Kconfig" +source "board/atmel/sama7g5ek/Kconfig" source "board/atmel/sama5d2_ptc_ek/Kconfig" source "board/atmel/sama5d2_xplained/Kconfig" source "board/atmel/sama5d27_som1_ek/Kconfig" diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig index 49ef217f08..11e6445192 100644 --- a/arch/arm/mach-sunxi/Kconfig +++ b/arch/arm/mach-sunxi/Kconfig @@ -1016,4 +1016,15 @@ config PINEPHONE_DT_SELECTION Enable this option to automatically select the device tree for the correct PinePhone hardware revision during boot. +config BLUETOOTH_DT_DEVICE_FIXUP + string "Fixup the Bluetooth controller address" + default "" + help + This option specifies the DT compatible name of the Bluetooth + controller for which to set the "local-bd-address" property. + Set this option if your device ships with the Bluetooth controller + default address. + The used address is "bdaddr" if set, and "ethaddr" with the LSB + flipped elsewise. + endif diff --git a/arch/arm/mach-sunxi/dram_sun50i_h6.c b/arch/arm/mach-sunxi/dram_sun50i_h6.c index 9e34da4747..32ec0bc4cd 100644 --- a/arch/arm/mach-sunxi/dram_sun50i_h6.c +++ b/arch/arm/mach-sunxi/dram_sun50i_h6.c @@ -37,9 +37,9 @@ static void mctl_sys_init(struct dram_para *para); static void mctl_com_init(struct dram_para *para); -static void mctl_channel_init(struct dram_para *para); +static bool mctl_channel_init(struct dram_para *para); -static void mctl_core_init(struct dram_para *para) +static bool mctl_core_init(struct dram_para *para) { mctl_sys_init(para); mctl_com_init(para); @@ -51,7 +51,7 @@ static void mctl_core_init(struct dram_para *para) default: panic("Unsupported DRAM type!"); }; - mctl_channel_init(para); + return mctl_channel_init(para); } /* PHY initialisation */ @@ -411,7 +411,7 @@ static void mctl_bit_delay_set(struct dram_para *para) } } -static void mctl_channel_init(struct dram_para *para) +static bool mctl_channel_init(struct dram_para *para) { struct sunxi_mctl_com_reg * const mctl_com = (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; @@ -528,46 +528,15 @@ static void mctl_channel_init(struct dram_para *para) clrbits_le32(&mctl_phy->dx[i].gcr[3], ~0x3ffff); udelay(10); - if (readl(&mctl_phy->pgsr[0]) & 0x400000) - { - /* Check for single rank and optionally half DQ. */ - if ((readl(&mctl_phy->dx[0].rsr[0]) & 0x3) == 2 && - (readl(&mctl_phy->dx[1].rsr[0]) & 0x3) == 2) { - para->ranks = 1; - - if ((readl(&mctl_phy->dx[2].rsr[0]) & 0x3) != 2 || - (readl(&mctl_phy->dx[3].rsr[0]) & 0x3) != 2) - para->bus_full_width = 0; - - /* Restart DRAM initialization from scratch. */ - mctl_core_init(para); - return; - } - - /* - * Check for dual rank and half DQ. NOTE: This combination - * is highly unlikely and was not tested. Condition is the - * same as in libdram, though. - */ - if ((readl(&mctl_phy->dx[0].rsr[0]) & 0x3) == 0 && - (readl(&mctl_phy->dx[1].rsr[0]) & 0x3) == 0) { - para->bus_full_width = 0; - - /* Restart DRAM initialization from scratch. */ - mctl_core_init(para); - return; - } - - panic("This DRAM setup is currently not supported.\n"); - } - if (readl(&mctl_phy->pgsr[0]) & 0xff00000) { /* Oops! There's something wrong! */ debug("PLL = %x\n", readl(0x3001010)); debug("DRAM PHY PGSR0 = %x\n", readl(&mctl_phy->pgsr[0])); for (i = 0; i < 4; i++) debug("DRAM PHY DX%dRSR0 = %x\n", i, readl(&mctl_phy->dx[i].rsr[0])); - panic("Error while initializing DRAM PHY!\n"); + debug("Error while initializing DRAM PHY!\n"); + + return false; } if (sunxi_dram_is_lpddr(para->type)) @@ -582,13 +551,59 @@ static void mctl_channel_init(struct dram_para *para) writel(0xffffffff, &mctl_com->maer0); writel(0x7ff, &mctl_com->maer1); writel(0xffff, &mctl_com->maer2); + + return true; +} + +static void mctl_auto_detect_rank_width(struct dram_para *para) +{ + /* this is minimum size that it's supported */ + para->cols = 8; + para->rows = 13; + + /* + * Previous versions of this driver tried to auto detect the rank + * and width by looking at controller registers. However this proved + * to be not reliable, so this approach here is the more robust + * solution. Check the git history for details. + * + * Strategy here is to test most demanding combination first and least + * demanding last, otherwise HW might not be fully utilized. For + * example, half bus width and rank = 1 combination would also work + * on HW with full bus width and rank = 2, but only 1/4 RAM would be + * visible. + */ + + debug("testing 32-bit width, rank = 2\n"); + para->bus_full_width = 1; + para->ranks = 2; + if (mctl_core_init(para)) + return; + + debug("testing 32-bit width, rank = 1\n"); + para->bus_full_width = 1; + para->ranks = 1; + if (mctl_core_init(para)) + return; + + debug("testing 16-bit width, rank = 2\n"); + para->bus_full_width = 0; + para->ranks = 2; + if (mctl_core_init(para)) + return; + + debug("testing 16-bit width, rank = 1\n"); + para->bus_full_width = 0; + para->ranks = 1; + if (mctl_core_init(para)) + return; + + panic("This DRAM setup is currently not supported.\n"); } static void mctl_auto_detect_dram_size(struct dram_para *para) { /* TODO: non-(LP)DDR3 */ - /* Detect rank number and half DQ by the code in mctl_channel_init. */ - mctl_core_init(para); /* detect row address bits */ para->cols = 8; @@ -652,10 +667,6 @@ unsigned long sunxi_dram_init(void) (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; struct dram_para para = { .clk = CONFIG_DRAM_CLK, - .ranks = 2, - .cols = 11, - .rows = 14, - .bus_full_width = 1, #ifdef CONFIG_SUNXI_DRAM_H6_LPDDR3 .type = SUNXI_DRAM_TYPE_LPDDR3, .dx_read_delays = SUN50I_H6_LPDDR3_DX_READ_DELAYS, @@ -673,6 +684,7 @@ unsigned long sunxi_dram_init(void) setbits_le32(0x7010310, BIT(8)); clrbits_le32(0x7010318, 0x3f); + mctl_auto_detect_rank_width(¶); mctl_auto_detect_dram_size(¶); mctl_core_init(¶); |