diff options
Diffstat (limited to 'arch')
39 files changed, 960 insertions, 32 deletions
diff --git a/arch/arc/lib/start.S b/arch/arc/lib/start.S index 3fb05606c7..e573ce7718 100644 --- a/arch/arc/lib/start.S +++ b/arch/arc/lib/start.S @@ -75,6 +75,11 @@ ENTRY(_start) /* Initialize reserved area - note: r0 already contains address */ bl board_init_f_init_reserve +#ifdef CONFIG_DEBUG_UART + /* Earliest point to set up early debug uart */ + bl debug_uart_init +#endif + /* Zero the one and only argument of "board_init_f" */ mov_s %r0, 0 bl board_init_f diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3e05f79f63..582e84cf40 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -221,6 +221,7 @@ config CPU_V7M select THUMB2_KERNEL select SYS_CACHE_SHIFT_5 select SYS_ARM_MPU + select SYS_THUMB_BUILD config CPU_V7R bool @@ -393,7 +394,7 @@ choice config ARCH_AT91 bool "Atmel AT91" - select SPL_BOARD_INIT if SPL + select SPL_BOARD_INIT if SPL && !TARGET_SMARTWEB config TARGET_EDB93XX bool "Support edb93xx" @@ -1224,6 +1225,7 @@ config ARCH_STM32MP select DM_SERIAL select OF_CONTROL select OF_LIBFDT + select MISC select PINCTRL select REGMAP select SUPPORT_SPL diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 4d6d276137..680c6e8516 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -16,6 +16,7 @@ arch-$(CONFIG_CPU_ARM1136) =-march=armv5 arch-$(CONFIG_CPU_ARM1176) =-march=armv5t arch-$(CONFIG_CPU_V7A) =$(call cc-option, -march=armv7-a, \ $(call cc-option, -march=armv7, -march=armv5)) +arch-$(CONFIG_CPU_V7M) =-march=armv7-m arch-$(CONFIG_CPU_V7R) =-march=armv7-r arch-$(CONFIG_ARM64) =-march=armv8-a diff --git a/arch/arm/cpu/armv7m/config.mk b/arch/arm/cpu/armv7m/config.mk index 4e46df5a28..f50964cfb9 100644 --- a/arch/arm/cpu/armv7m/config.mk +++ b/arch/arm/cpu/armv7m/config.mk @@ -3,4 +3,4 @@ # (C) Copyright 2015 # Kamil Lulko, <kamil.lulko@gmail.com> -PLATFORM_CPPFLAGS += -march=armv7-m -mthumb -mno-unaligned-access +PLATFORM_CPPFLAGS += -mno-unaligned-access diff --git a/arch/arm/cpu/armv8/generic_timer.c b/arch/arm/cpu/armv8/generic_timer.c index 303ba3c00e..bf07a706a0 100644 --- a/arch/arm/cpu/armv8/generic_timer.c +++ b/arch/arm/cpu/armv8/generic_timer.c @@ -61,3 +61,10 @@ unsigned long usec2ticks(unsigned long usec) return ticks; } + +ulong timer_get_boot_us(void) +{ + u64 val = get_ticks() * 1000000; + + return val / get_tbclk(); +} diff --git a/arch/arm/dts/dragonboard410c.dts b/arch/arm/dts/dragonboard410c.dts index d9d5831f4f..182a865b0a 100644 --- a/arch/arm/dts/dragonboard410c.dts +++ b/arch/arm/dts/dragonboard410c.dts @@ -8,6 +8,7 @@ /dts-v1/; #include "skeleton64.dtsi" +#include <dt-bindings/pinctrl/pinctrl-snapdragon.h> / { model = "Qualcomm Technologies, Inc. Dragonboard 410c"; @@ -38,6 +39,17 @@ ranges = <0x0 0x0 0x0 0xffffffff>; compatible = "simple-bus"; + pinctrl: qcom,tlmm@1000000 { + compatible = "qcom,tlmm-apq8016"; + reg = <0x1000000 0x400000>; + + blsp1_uart: uart { + function = "blsp1_uart"; + pins = "GPIO_4", "GPIO_5"; + drive-strength = <DRIVE_STRENGTH_8MA>; + bias-disable; + }; + }; clkc: qcom,gcc@1800000 { compatible = "qcom,gcc-apq8016"; reg = <0x1800000 0x80000>; @@ -49,6 +61,8 @@ compatible = "qcom,msm-uartdm-v1.4"; reg = <0x78b0000 0x200>; clock = <&clkc 4>; + pinctrl-names = "uart"; + pinctrl-0 = <&blsp1_uart>; }; soc_gpios: pinctrl@1000000 { diff --git a/arch/arm/dts/dragonboard820c-uboot.dtsi b/arch/arm/dts/dragonboard820c-uboot.dtsi index 88312b3fa1..97394cc5b0 100644 --- a/arch/arm/dts/dragonboard820c-uboot.dtsi +++ b/arch/arm/dts/dragonboard820c-uboot.dtsi @@ -5,6 +5,20 @@ * (C) Copyright 2017 Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> */ +/ { + soc { + u-boot,dm-pre-reloc; + + clock-controller@300000 { + u-boot,dm-pre-reloc; + }; + + serial@75b0000 { + u-boot,dm-pre-reloc; + }; + }; +}; + &pm8994_pon { key_vol_down { gpios = <&pm8994_pon 1 0>; diff --git a/arch/arm/dts/dragonboard820c.dts b/arch/arm/dts/dragonboard820c.dts index 7bfae1c426..7457d7b7e3 100644 --- a/arch/arm/dts/dragonboard820c.dts +++ b/arch/arm/dts/dragonboard820c.dts @@ -50,6 +50,7 @@ blsp2_uart1: serial@75b0000 { compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm"; reg = <0x75b0000 0x1000>; + clock = <&gcc 4>; }; sdhc2: sdhci@74a4900 { diff --git a/arch/arm/dts/stm32f429-disco-u-boot.dtsi b/arch/arm/dts/stm32f429-disco-u-boot.dtsi index 8a0f642a93..10e09508aa 100644 --- a/arch/arm/dts/stm32f429-disco-u-boot.dtsi +++ b/arch/arm/dts/stm32f429-disco-u-boot.dtsi @@ -37,6 +37,8 @@ clocks = <&rcc 0 STM32F4_AHB3_CLOCK(FMC)>; pinctrl-0 = <&fmc_pins>; pinctrl-names = "default"; + st,syscfg = <&syscfg>; + st,swp_fmc = <1>; u-boot,dm-pre-reloc; /* diff --git a/arch/arm/dts/uniphier-ld11.dtsi b/arch/arm/dts/uniphier-ld11.dtsi index bf3118eca3..e7514f01fa 100644 --- a/arch/arm/dts/uniphier-ld11.dtsi +++ b/arch/arm/dts/uniphier-ld11.dtsi @@ -418,7 +418,7 @@ mmc-ddr-1_8v; mmc-hs200-1_8v; mmc-pwrseq = <&emmc_pwrseq>; - cdns,phy-input-delay-legacy = <4>; + cdns,phy-input-delay-legacy = <9>; cdns,phy-input-delay-mmc-highspeed = <2>; cdns,phy-input-delay-mmc-ddr = <3>; cdns,phy-dll-delay-sdclk = <21>; @@ -553,10 +553,13 @@ status = "disabled"; reg = <0x65000000 0x8500>; interrupts = <0 66 4>; + clock-names = "ether"; clocks = <&sys_clk 6>; + reset-names = "ether"; resets = <&sys_rst 6>; - phy-mode = "rmii"; + phy-mode = "internal"; local-mac-address = [00 00 00 00 00 00]; + socionext,syscon-phy-mode = <&soc_glue 0>; mdio: mdio { #address-cells = <1>; diff --git a/arch/arm/dts/uniphier-ld20-ref.dts b/arch/arm/dts/uniphier-ld20-ref.dts index 2c1a92fafb..440c2e6a63 100644 --- a/arch/arm/dts/uniphier-ld20-ref.dts +++ b/arch/arm/dts/uniphier-ld20-ref.dts @@ -67,3 +67,11 @@ reg = <0>; }; }; + +&pinctrl_ether_rgmii { + tx { + pins = "RGMII_TXCLK", "RGMII_TXD0", "RGMII_TXD1", + "RGMII_TXD2", "RGMII_TXD3", "RGMII_TXCTL"; + drive-strength = <9>; + }; +}; diff --git a/arch/arm/dts/uniphier-ld20.dtsi b/arch/arm/dts/uniphier-ld20.dtsi index b993df8a34..31bc124dfc 100644 --- a/arch/arm/dts/uniphier-ld20.dtsi +++ b/arch/arm/dts/uniphier-ld20.dtsi @@ -523,7 +523,7 @@ mmc-ddr-1_8v; mmc-hs200-1_8v; mmc-pwrseq = <&emmc_pwrseq>; - cdns,phy-input-delay-legacy = <4>; + cdns,phy-input-delay-legacy = <9>; cdns,phy-input-delay-mmc-highspeed = <2>; cdns,phy-input-delay-mmc-ddr = <3>; cdns,phy-dll-delay-sdclk = <21>; @@ -622,10 +622,13 @@ interrupts = <0 66 4>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_ether_rgmii>; + clock-names = "ether"; clocks = <&sys_clk 6>; + reset-names = "ether"; resets = <&sys_rst 6>; phy-mode = "rgmii"; local-mac-address = [00 00 00 00 00 00]; + socionext,syscon-phy-mode = <&soc_glue 0>; mdio: mdio { #address-cells = <1>; diff --git a/arch/arm/dts/uniphier-pro4.dtsi b/arch/arm/dts/uniphier-pro4.dtsi index 25c4b4f8fc..0004863589 100644 --- a/arch/arm/dts/uniphier-pro4.dtsi +++ b/arch/arm/dts/uniphier-pro4.dtsi @@ -342,7 +342,7 @@ has-transaction-translator; }; - soc-glue@5f800000 { + soc_glue: soc-glue@5f800000 { compatible = "socionext,uniphier-pro4-soc-glue", "simple-mfd", "syscon"; reg = <0x5f800000 0x2000>; @@ -427,10 +427,14 @@ interrupts = <0 66 4>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_ether_rgmii>; - clocks = <&sys_clk 6>; - resets = <&sys_rst 6>; + clock-names = "gio", "ether", "ether-gb", "ether-phy"; + clocks = <&sys_clk 12>, <&sys_clk 6>, <&sys_clk 7>, + <&sys_clk 10>; + reset-names = "gio", "ether"; + resets = <&sys_rst 12>, <&sys_rst 6>; phy-mode = "rgmii"; local-mac-address = [00 00 00 00 00 00]; + socionext,syscon-phy-mode = <&soc_glue 0>; mdio: mdio { #address-cells = <1>; diff --git a/arch/arm/dts/uniphier-pxs2.dtsi b/arch/arm/dts/uniphier-pxs2.dtsi index 9760f79e7c..20f3935107 100644 --- a/arch/arm/dts/uniphier-pxs2.dtsi +++ b/arch/arm/dts/uniphier-pxs2.dtsi @@ -545,10 +545,13 @@ interrupts = <0 66 4>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_ether_rgmii>; + clock-names = "ether"; clocks = <&sys_clk 6>; + reset-names = "ether"; resets = <&sys_rst 6>; phy-mode = "rgmii"; local-mac-address = [00 00 00 00 00 00]; + socionext,syscon-phy-mode = <&soc_glue 0>; mdio: mdio { #address-cells = <1>; diff --git a/arch/arm/dts/uniphier-pxs3.dtsi b/arch/arm/dts/uniphier-pxs3.dtsi index d4c458a211..ae867cbb0a 100644 --- a/arch/arm/dts/uniphier-pxs3.dtsi +++ b/arch/arm/dts/uniphier-pxs3.dtsi @@ -338,7 +338,7 @@ mmc-ddr-1_8v; mmc-hs200-1_8v; mmc-pwrseq = <&emmc_pwrseq>; - cdns,phy-input-delay-legacy = <4>; + cdns,phy-input-delay-legacy = <9>; cdns,phy-input-delay-mmc-highspeed = <2>; cdns,phy-input-delay-mmc-ddr = <3>; cdns,phy-dll-delay-sdclk = <21>; @@ -430,10 +430,13 @@ interrupts = <0 66 4>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_ether_rgmii>; + clock-names = "ether"; clocks = <&sys_clk 6>; + reset-names = "ether"; resets = <&sys_rst 6>; phy-mode = "rgmii"; local-mac-address = [00 00 00 00 00 00]; + socionext,syscon-phy-mode = <&soc_glue 0>; mdio0: mdio { #address-cells = <1>; @@ -448,10 +451,13 @@ interrupts = <0 67 4>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_ether1_rgmii>; + clock-names = "ether"; clocks = <&sys_clk 7>; + reset-names = "ether"; resets = <&sys_rst 7>; phy-mode = "rgmii"; local-mac-address = [00 00 00 00 00 00]; + socionext,syscon-phy-mode = <&soc_glue 1>; mdio1: mdio { #address-cells = <1>; diff --git a/arch/arm/lib/interrupts.c b/arch/arm/lib/interrupts.c index 28ba3f14f3..930b25ccb8 100644 --- a/arch/arm/lib/interrupts.c +++ b/arch/arm/lib/interrupts.c @@ -56,6 +56,30 @@ static void show_efi_loaded_images(struct pt_regs *regs) efi_print_image_infos((void *)instruction_pointer(regs)); } +static void dump_instr(struct pt_regs *regs) +{ + unsigned long addr = instruction_pointer(regs); + const int thumb = thumb_mode(regs); + const int width = thumb ? 4 : 8; + int i; + + if (thumb) + addr &= ~1L; + else + addr &= ~3L; + printf("Code: "); + for (i = -4; i < 1 + !!thumb; i++) { + unsigned int val; + + if (thumb) + val = ((u16 *)addr)[i]; + else + val = ((u32 *)addr)[i]; + printf(i == 0 ? "(%0*x) " : "%0*x ", width, val); + } + printf("\n"); +} + void show_regs (struct pt_regs *regs) { unsigned long __maybe_unused flags; @@ -96,6 +120,7 @@ void show_regs (struct pt_regs *regs) fast_interrupts_enabled (regs) ? "on" : "off", processor_modes[processor_mode (regs)], thumb_mode (regs) ? " (T)" : ""); + dump_instr(regs); } /* fixup PC to point to the instruction leading to the exception */ diff --git a/arch/arm/mach-at91/spl.c b/arch/arm/mach-at91/spl.c index 7cba3825e7..8bfb2a452b 100644 --- a/arch/arm/mach-at91/spl.c +++ b/arch/arm/mach-at91/spl.c @@ -11,9 +11,7 @@ #include <asm/arch/clk.h> #include <spl.h> -#if defined(CONFIG_AT91SAM9_WATCHDOG) -void at91_disable_wdt(void) { } -#else +#if !defined(CONFIG_AT91SAM9_WATCHDOG) void at91_disable_wdt(void) { struct at91_wdt *wdt = (struct at91_wdt *)ATMEL_BASE_WDT; diff --git a/arch/arm/mach-at91/spl_at91.c b/arch/arm/mach-at91/spl_at91.c index d701c3586d..8c368042a6 100644 --- a/arch/arm/mach-at91/spl_at91.c +++ b/arch/arm/mach-at91/spl_at91.c @@ -76,7 +76,9 @@ void __weak spl_board_init(void) void board_init_f(ulong dummy) { lowlevel_clock_init(); +#if !defined(CONFIG_AT91SAM9_WATCHDOG) at91_disable_wdt(); +#endif /* * At this stage the main oscillator is supposed to be enabled diff --git a/arch/arm/mach-at91/spl_atmel.c b/arch/arm/mach-at91/spl_atmel.c index 11db1e5f8c..597ff8c036 100644 --- a/arch/arm/mach-at91/spl_atmel.c +++ b/arch/arm/mach-at91/spl_atmel.c @@ -98,8 +98,10 @@ void board_init_f(ulong dummy) configure_2nd_sram_as_l2_cache(); #endif +#if !defined(CONFIG_AT91SAM9_WATCHDOG) /* disable watchdog */ at91_disable_wdt(); +#endif /* PMC configuration */ at91_pmc_init(); diff --git a/arch/arm/mach-snapdragon/Kconfig b/arch/arm/mach-snapdragon/Kconfig index d55dc1aaa1..bfd99db6e2 100644 --- a/arch/arm/mach-snapdragon/Kconfig +++ b/arch/arm/mach-snapdragon/Kconfig @@ -3,6 +3,12 @@ if ARCH_SNAPDRAGON config SYS_SOC default "snapdragon" +config SYS_MALLOC_F_LEN + default 0x2000 + +config SPL_SYS_MALLOC_F_LEN + default 0x2000 + choice prompt "Snapdragon board select" diff --git a/arch/arm/mach-snapdragon/Makefile b/arch/arm/mach-snapdragon/Makefile index 1c23dc52cf..1d35fea912 100644 --- a/arch/arm/mach-snapdragon/Makefile +++ b/arch/arm/mach-snapdragon/Makefile @@ -6,4 +6,6 @@ obj-$(CONFIG_TARGET_DRAGONBOARD820C) += clock-apq8096.o obj-$(CONFIG_TARGET_DRAGONBOARD820C) += sysmap-apq8096.o obj-$(CONFIG_TARGET_DRAGONBOARD410C) += clock-apq8016.o obj-$(CONFIG_TARGET_DRAGONBOARD410C) += sysmap-apq8016.o +obj-$(CONFIG_TARGET_DRAGONBOARD410C) += pinctrl-apq8016.o +obj-$(CONFIG_TARGET_DRAGONBOARD410C) += pinctrl-snapdragon.o obj-y += clock-snapdragon.o diff --git a/arch/arm/mach-snapdragon/clock-apq8016.c b/arch/arm/mach-snapdragon/clock-apq8016.c index 9c0cc1c22c..6e4a0ccb90 100644 --- a/arch/arm/mach-snapdragon/clock-apq8016.c +++ b/arch/arm/mach-snapdragon/clock-apq8016.c @@ -17,7 +17,6 @@ /* GPLL0 clock control registers */ #define GPLL0_STATUS_ACTIVE BIT(17) -#define APCS_GPLL_ENA_VOTE_GPLL0 BIT(0) static const struct bcr_regs sdc_regs[] = { { @@ -36,11 +35,17 @@ static const struct bcr_regs sdc_regs[] = { } }; -static struct gpll0_ctrl gpll0_ctrl = { +static struct pll_vote_clk gpll0_vote_clk = { .status = GPLL0_STATUS, .status_bit = GPLL0_STATUS_ACTIVE, .ena_vote = APCS_GPLL_ENA_VOTE, - .vote_bit = APCS_GPLL_ENA_VOTE_GPLL0, + .vote_bit = BIT(0), +}; + +static struct vote_clk gcc_blsp1_ahb_clk = { + .cbcr_reg = BLSP1_AHB_CBCR, + .ena_vote = APCS_CLOCK_BRANCH_ENA_VOTE, + .vote_bit = BIT(10), }; /* SDHCI */ @@ -55,7 +60,7 @@ static int clk_init_sdc(struct msm_clk_priv *priv, int slot, uint rate) /* 800Mhz/div, gpll0 */ clk_rcg_set_rate_mnd(priv->base, &sdc_regs[slot], div, 0, 0, CFG_CLK_SRC_GPLL0); - clk_enable_gpll0(priv->base, &gpll0_ctrl); + clk_enable_gpll0(priv->base, &gpll0_vote_clk); clk_enable_cbc(priv->base + SDCC_APPS_CBCR(slot)); return rate; @@ -72,12 +77,16 @@ static const struct bcr_regs uart2_regs = { /* UART: 115200 */ static int clk_init_uart(struct msm_clk_priv *priv) { - /* Enable iface clk */ - clk_enable_cbc(priv->base + BLSP1_AHB_CBCR); + /* Enable AHB clock */ + clk_enable_vote_clk(priv->base, &gcc_blsp1_ahb_clk); + /* 7372800 uart block clock @ GPLL0 */ clk_rcg_set_rate_mnd(priv->base, &uart2_regs, 1, 144, 15625, CFG_CLK_SRC_GPLL0); - clk_enable_gpll0(priv->base, &gpll0_ctrl); + + /* Vote for gpll0 clock */ + clk_enable_gpll0(priv->base, &gpll0_vote_clk); + /* Enable core clk */ clk_enable_cbc(priv->base + BLSP1_UART2_APPS_CBCR); diff --git a/arch/arm/mach-snapdragon/clock-apq8096.c b/arch/arm/mach-snapdragon/clock-apq8096.c index 008649a4c6..628c38785b 100644 --- a/arch/arm/mach-snapdragon/clock-apq8096.c +++ b/arch/arm/mach-snapdragon/clock-apq8096.c @@ -27,7 +27,7 @@ static const struct bcr_regs sdc_regs = { .D = SDCC2_D, }; -static const struct gpll0_ctrl gpll0_ctrl = { +static const struct pll_vote_clk gpll0_vote_clk = { .status = GPLL0_STATUS, .status_bit = GPLL0_STATUS_ACTIVE, .ena_vote = APCS_GPLL_ENA_VOTE, @@ -41,7 +41,7 @@ static int clk_init_sdc(struct msm_clk_priv *priv, uint rate) clk_enable_cbc(priv->base + SDCC2_AHB_CBCR); clk_rcg_set_rate_mnd(priv->base, &sdc_regs, div, 0, 0, CFG_CLK_SRC_GPLL0); - clk_enable_gpll0(priv->base, &gpll0_ctrl); + clk_enable_gpll0(priv->base, &gpll0_vote_clk); clk_enable_cbc(priv->base + SDCC2_APPS_CBCR); return rate; diff --git a/arch/arm/mach-snapdragon/clock-snapdragon.c b/arch/arm/mach-snapdragon/clock-snapdragon.c index f738f57043..85526186c6 100644 --- a/arch/arm/mach-snapdragon/clock-snapdragon.c +++ b/arch/arm/mach-snapdragon/clock-snapdragon.c @@ -30,7 +30,7 @@ void clk_enable_cbc(phys_addr_t cbcr) ; } -void clk_enable_gpll0(phys_addr_t base, const struct gpll0_ctrl *gpll0) +void clk_enable_gpll0(phys_addr_t base, const struct pll_vote_clk *gpll0) { if (readl(base + gpll0->status) & gpll0->status_bit) return; /* clock already enabled */ @@ -41,6 +41,21 @@ void clk_enable_gpll0(phys_addr_t base, const struct gpll0_ctrl *gpll0) ; } +#define BRANCH_ON_VAL (0) +#define BRANCH_NOC_FSM_ON_VAL BIT(29) +#define BRANCH_CHECK_MASK GENMASK(31, 28) + +void clk_enable_vote_clk(phys_addr_t base, const struct vote_clk *vclk) +{ + u32 val; + + setbits_le32(base + vclk->ena_vote, vclk->vote_bit); + do { + val = readl(base + vclk->cbcr_reg); + val &= BRANCH_CHECK_MASK; + } while ((val != BRANCH_ON_VAL) && (val != BRANCH_NOC_FSM_ON_VAL)); +} + #define APPS_CMD_RGCR_UPDATE BIT(0) /* Update clock command via CMD_RGCR */ diff --git a/arch/arm/mach-snapdragon/clock-snapdragon.h b/arch/arm/mach-snapdragon/clock-snapdragon.h index 2cff4f8a06..58fab40a2e 100644 --- a/arch/arm/mach-snapdragon/clock-snapdragon.h +++ b/arch/arm/mach-snapdragon/clock-snapdragon.h @@ -11,13 +11,18 @@ #define CFG_CLK_SRC_GPLL0 (1 << 8) #define CFG_CLK_SRC_MASK (7 << 8) -struct gpll0_ctrl { +struct pll_vote_clk { uintptr_t status; int status_bit; uintptr_t ena_vote; int vote_bit; }; +struct vote_clk { + uintptr_t cbcr_reg; + uintptr_t ena_vote; + int vote_bit; +}; struct bcr_regs { uintptr_t cfg_rcgr; uintptr_t cmd_rcgr; @@ -30,9 +35,10 @@ struct msm_clk_priv { phys_addr_t base; }; -void clk_enable_gpll0(phys_addr_t base, const struct gpll0_ctrl *pll0); +void clk_enable_gpll0(phys_addr_t base, const struct pll_vote_clk *gpll0); void clk_bcr_update(phys_addr_t apps_cmd_rgcr); void clk_enable_cbc(phys_addr_t cbcr); +void clk_enable_vote_clk(phys_addr_t base, const struct vote_clk *vclk); void clk_rcg_set_rate_mnd(phys_addr_t base, const struct bcr_regs *regs, int div, int m, int n, int source); diff --git a/arch/arm/mach-snapdragon/include/mach/sysmap-apq8016.h b/arch/arm/mach-snapdragon/include/mach/sysmap-apq8016.h index ae784387fa..520e2e6bd7 100644 --- a/arch/arm/mach-snapdragon/include/mach/sysmap-apq8016.h +++ b/arch/arm/mach-snapdragon/include/mach/sysmap-apq8016.h @@ -13,6 +13,7 @@ /* Clocks: (from CLK_CTL_BASE) */ #define GPLL0_STATUS (0x2101C) #define APCS_GPLL_ENA_VOTE (0x45000) +#define APCS_CLOCK_BRANCH_ENA_VOTE (0x45004) #define SDCC_BCR(n) ((n * 0x1000) + 0x41000) #define SDCC_CMD_RCGR(n) ((n * 0x1000) + 0x41004) diff --git a/arch/arm/mach-snapdragon/pinctrl-apq8016.c b/arch/arm/mach-snapdragon/pinctrl-apq8016.c new file mode 100644 index 0000000000..bdb755d0e4 --- /dev/null +++ b/arch/arm/mach-snapdragon/pinctrl-apq8016.c @@ -0,0 +1,62 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Qualcomm APQ8016 pinctrl + * + * (C) Copyright 2018 Ramon Fried <ramon.fried@gmail.com> + * + */ + +#include "pinctrl-snapdragon.h" +#include <common.h> + +#define MAX_PIN_NAME_LEN 32 +static char pin_name[MAX_PIN_NAME_LEN]; +static const char * const msm_pinctrl_pins[] = { + "SDC1_CLK", + "SDC1_CMD", + "SDC1_DATA", + "SDC2_CLK", + "SDC2_CMD", + "SDC2_DATA", + "QDSD_CLK", + "QDSD_CMD", + "QDSD_DATA0", + "QDSD_DATA1", + "QDSD_DATA2", + "QDSD_DATA3", +}; + +static const struct pinctrl_function msm_pinctrl_functions[] = { + {"blsp1_uart", 2}, +}; + +static const char *apq8016_get_function_name(struct udevice *dev, + unsigned int selector) +{ + return msm_pinctrl_functions[selector].name; +} + +static const char *apq8016_get_pin_name(struct udevice *dev, + unsigned int selector) +{ + if (selector < 130) { + snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector); + return pin_name; + } else { + return msm_pinctrl_pins[selector - 130]; + } +} + +static unsigned int apq8016_get_function_mux(unsigned int selector) +{ + return msm_pinctrl_functions[selector].val; +} + +struct msm_pinctrl_data apq8016_data = { + .pin_count = 140, + .functions_count = ARRAY_SIZE(msm_pinctrl_functions), + .get_function_name = apq8016_get_function_name, + .get_function_mux = apq8016_get_function_mux, + .get_pin_name = apq8016_get_pin_name, +}; + diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.c b/arch/arm/mach-snapdragon/pinctrl-snapdragon.c new file mode 100644 index 0000000000..5365ccdb70 --- /dev/null +++ b/arch/arm/mach-snapdragon/pinctrl-snapdragon.c @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * TLMM driver for Qualcomm APQ8016, APQ8096 + * + * (C) Copyright 2018 Ramon Fried <ramon.fried@gmail.com> + * + */ + +#include <common.h> +#include <dm.h> +#include <errno.h> +#include <asm/io.h> +#include <dm/pinctrl.h> +#include "pinctrl-snapdragon.h" + +struct msm_pinctrl_priv { + phys_addr_t base; + struct msm_pinctrl_data *data; +}; + +#define GPIO_CONFIG_OFFSET(x) ((x) * 0x1000) +#define TLMM_GPIO_PULL_MASK GENMASK(1, 0) +#define TLMM_FUNC_SEL_MASK GENMASK(5, 2) +#define TLMM_DRV_STRENGTH_MASK GENMASK(8, 6) +#define TLMM_GPIO_ENABLE BIT(9) + +static const struct pinconf_param msm_conf_params[] = { + { "drive-strength", PIN_CONFIG_DRIVE_STRENGTH, 3 }, + { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, +}; + +static int msm_get_functions_count(struct udevice *dev) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + return priv->data->functions_count; +} + +static int msm_get_pins_count(struct udevice *dev) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + return priv->data->pin_count; +} + +static const char *msm_get_function_name(struct udevice *dev, + unsigned int selector) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + return priv->data->get_function_name(dev, selector); +} + +static int msm_pinctrl_probe(struct udevice *dev) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + priv->base = devfdt_get_addr(dev); + priv->data = (struct msm_pinctrl_data *)dev->driver_data; + + return priv->base == FDT_ADDR_T_NONE ? -EINVAL : 0; +} + +static const char *msm_get_pin_name(struct udevice *dev, unsigned int selector) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + return priv->data->get_pin_name(dev, selector); +} + +static int msm_pinmux_set(struct udevice *dev, unsigned int pin_selector, + unsigned int func_selector) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector), + TLMM_FUNC_SEL_MASK | TLMM_GPIO_ENABLE, + priv->data->get_function_mux(func_selector) << 2); + return 0; +} + +static int msm_pinconf_set(struct udevice *dev, unsigned int pin_selector, + unsigned int param, unsigned int argument) +{ + struct msm_pinctrl_priv *priv = dev_get_priv(dev); + + switch (param) { + case PIN_CONFIG_DRIVE_STRENGTH: + clrsetbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector), + TLMM_DRV_STRENGTH_MASK, argument << 6); + break; + case PIN_CONFIG_BIAS_DISABLE: + clrbits_le32(priv->base + GPIO_CONFIG_OFFSET(pin_selector), + TLMM_GPIO_PULL_MASK); + break; + default: + return 0; + } + + return 0; +} + +static struct pinctrl_ops msm_pinctrl_ops = { + .get_pins_count = msm_get_pins_count, + .get_pin_name = msm_get_pin_name, + .set_state = pinctrl_generic_set_state, + .pinmux_set = msm_pinmux_set, + .pinconf_num_params = ARRAY_SIZE(msm_conf_params), + .pinconf_params = msm_conf_params, + .pinconf_set = msm_pinconf_set, + .get_functions_count = msm_get_functions_count, + .get_function_name = msm_get_function_name, +}; + +static const struct udevice_id msm_pinctrl_ids[] = { + { .compatible = "qcom,tlmm-msm8916", .data = (ulong)&apq8016_data }, + { .compatible = "qcom,tlmm-apq8016", .data = (ulong)&apq8016_data }, + { } +}; + +U_BOOT_DRIVER(pinctrl_snapdraon) = { + .name = "pinctrl_msm", + .id = UCLASS_PINCTRL, + .of_match = msm_pinctrl_ids, + .priv_auto_alloc_size = sizeof(struct msm_pinctrl_priv), + .ops = &msm_pinctrl_ops, + .probe = msm_pinctrl_probe, +}; diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.h b/arch/arm/mach-snapdragon/pinctrl-snapdragon.h new file mode 100644 index 0000000000..c47d988af4 --- /dev/null +++ b/arch/arm/mach-snapdragon/pinctrl-snapdragon.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Qualcomm Pin control + * + * (C) Copyright 2018 Ramon Fried <ramon.fried@gmail.com> + * + */ +#ifndef _PINCTRL_SNAPDRAGON_H +#define _PINCTRL_SNAPDRAGON_H + +#include <common.h> + +struct msm_pinctrl_data { + int pin_count; + int functions_count; + const char *(*get_function_name)(struct udevice *dev, + unsigned int selector); + unsigned int (*get_function_mux)(unsigned int selector); + const char *(*get_pin_name)(struct udevice *dev, + unsigned int selector); +}; + +struct pinctrl_function { + const char *name; + int val; +}; + +extern struct msm_pinctrl_data apq8016_data; + +#endif diff --git a/arch/arm/mach-stm32mp/Kconfig b/arch/arm/mach-stm32mp/Kconfig index ccbeb5c388..abceeded24 100644 --- a/arch/arm/mach-stm32mp/Kconfig +++ b/arch/arm/mach-stm32mp/Kconfig @@ -54,4 +54,19 @@ config SYS_MMCSD_RAW_MODE_U_BOOT_PARTITION_MMC2 source "board/st/stm32mp1/Kconfig" +# currently activated for debug / should be deactivated for real product +if DEBUG_UART + +config DEBUG_UART_BOARD_INIT + default y + +# debug on UART4 by default +config DEBUG_UART_BASE + default 0x40010000 + +# clock source is HSI on reset +config DEBUG_UART_CLOCK + default 64000000 +endif + endif diff --git a/arch/arm/mach-stm32mp/Makefile b/arch/arm/mach-stm32mp/Makefile index 08ee642d90..f59ced5ee1 100644 --- a/arch/arm/mach-stm32mp/Makefile +++ b/arch/arm/mach-stm32mp/Makefile @@ -1,4 +1,4 @@ -# SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause +# SPDX-License-Identifier: GPL-2.0+ # # Copyright (C) 2018, STMicroelectronics - All Rights Reserved # @@ -7,6 +7,10 @@ obj-y += cpu.o obj-y += dram_init.o obj-y += syscon.o -obj-$(CONFIG_SPL_BUILD) += spl.o +ifdef CONFIG_SPL_BUILD +obj-y += spl.o +else +obj-y += bsec.o +endif obj-$(CONFIG_ARMV7_PSCI) += psci.o obj-$(CONFIG_$(SPL_)DM_REGULATOR) += pwr_regulator.o diff --git a/arch/arm/mach-stm32mp/bsec.c b/arch/arm/mach-stm32mp/bsec.c new file mode 100644 index 0000000000..0e152efc04 --- /dev/null +++ b/arch/arm/mach-stm32mp/bsec.c @@ -0,0 +1,431 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2018, STMicroelectronics - All Rights Reserved + */ + +#include <common.h> +#include <dm.h> +#include <misc.h> +#include <asm/io.h> +#include <linux/iopoll.h> + +#define BSEC_OTP_MAX_VALUE 95 + +#define BSEC_TIMEOUT_US 10000 + +/* BSEC REGISTER OFFSET (base relative) */ +#define BSEC_OTP_CONF_OFF 0x000 +#define BSEC_OTP_CTRL_OFF 0x004 +#define BSEC_OTP_WRDATA_OFF 0x008 +#define BSEC_OTP_STATUS_OFF 0x00C +#define BSEC_OTP_LOCK_OFF 0x010 +#define BSEC_DISTURBED_OFF 0x01C +#define BSEC_ERROR_OFF 0x034 +#define BSEC_SPLOCK_OFF 0x064 /* Program safmem sticky lock */ +#define BSEC_SWLOCK_OFF 0x07C /* write in OTP sticky lock */ +#define BSEC_SRLOCK_OFF 0x094 /* shadowing sticky lock */ +#define BSEC_OTP_DATA_OFF 0x200 + +/* BSEC_CONFIGURATION Register MASK */ +#define BSEC_CONF_POWER_UP 0x001 + +/* BSEC_CONTROL Register */ +#define BSEC_READ 0x000 +#define BSEC_WRITE 0x100 + +/* LOCK Register */ +#define OTP_LOCK_MASK 0x1F +#define OTP_LOCK_BANK_SHIFT 0x05 +#define OTP_LOCK_BIT_MASK 0x01 + +/* STATUS Register */ +#define BSEC_MODE_BUSY_MASK 0x08 +#define BSEC_MODE_PROGFAIL_MASK 0x10 +#define BSEC_MODE_PWR_MASK 0x20 + +/* + * OTP Lock services definition + * Value must corresponding to the bit number in the register + */ +#define BSEC_LOCK_PROGRAM 0x04 + +/** + * bsec_check_error() - Check status of one otp + * @base: base address of bsec IP + * @otp: otp number (0 - BSEC_OTP_MAX_VALUE) + * Return: 0 if no error, -EAGAIN or -ENOTSUPP + */ +static u32 bsec_check_error(u32 base, u32 otp) +{ + u32 bit; + u32 bank; + + bit = 1 << (otp & OTP_LOCK_MASK); + bank = ((otp >> OTP_LOCK_BANK_SHIFT) & OTP_LOCK_MASK) * sizeof(u32); + + if (readl(base + BSEC_DISTURBED_OFF + bank) & bit) + return -EAGAIN; + else if (readl(base + BSEC_ERROR_OFF + bank) & bit) + return -ENOTSUPP; + + return 0; +} + +/** + * bsec_lock() - manage lock for each type SR/SP/SW + * @address: address of bsec IP register + * @otp: otp number (0 - BSEC_OTP_MAX_VALUE) + * Return: true if locked else false + */ +static bool bsec_read_lock(u32 address, u32 otp) +{ + u32 bit; + u32 bank; + + bit = 1 << (otp & OTP_LOCK_MASK); + bank = ((otp >> OTP_LOCK_BANK_SHIFT) & OTP_LOCK_MASK) * sizeof(u32); + + return !!(readl(address + bank) & bit); +} + +/** + * bsec_read_SR_lock() - read SR lock (Shadowing) + * @base: base address of bsec IP + * @otp: otp number (0 - BSEC_OTP_MAX_VALUE) + * Return: true if locked else false + */ +static bool bsec_read_SR_lock(u32 base, u32 otp) +{ + return bsec_read_lock(base + BSEC_SRLOCK_OFF, otp); +} + +/** + * bsec_read_SP_lock() - read SP lock (program Lock) + * @base: base address of bsec IP + * @otp: otp number (0 - BSEC_OTP_MAX_VALUE) + * Return: true if locked else false + */ +static bool bsec_read_SP_lock(u32 base, u32 otp) +{ + return bsec_read_lock(base + BSEC_SPLOCK_OFF, otp); +} + +/** + * bsec_SW_lock() - manage SW lock (Write in Shadow) + * @base: base address of bsec IP + * @otp: otp number (0 - BSEC_OTP_MAX_VALUE) + * Return: true if locked else false + */ +static bool bsec_read_SW_lock(u32 base, u32 otp) +{ + return bsec_read_lock(base + BSEC_SWLOCK_OFF, otp); +} + +/** + * bsec_power_safmem() - Activate or deactivate safmem power + * @base: base address of bsec IP + * @power: true to power up , false to power down + * Return: 0 if succeed + */ +static int bsec_power_safmem(u32 base, bool power) +{ + u32 val; + u32 mask; + + if (power) { + setbits_le32(base + BSEC_OTP_CONF_OFF, BSEC_CONF_POWER_UP); + mask = BSEC_MODE_PWR_MASK; + } else { + clrbits_le32(base + BSEC_OTP_CONF_OFF, BSEC_CONF_POWER_UP); + mask = 0; + } + + /* waiting loop */ + return readl_poll_timeout(base + BSEC_OTP_STATUS_OFF, + val, (val & BSEC_MODE_PWR_MASK) == mask, + BSEC_TIMEOUT_US); +} + +/** + * bsec_shadow_register() - copy safmen otp to bsec data + * @base: base address of bsec IP + * @otp: otp number (0 - BSEC_OTP_MAX_VALUE) + * Return: 0 if no error + */ +static int bsec_shadow_register(u32 base, u32 otp) +{ + u32 val; + int ret; + bool power_up = false; + + /* check if shadowing of otp is locked */ + if (bsec_read_SR_lock(base, otp)) + pr_debug("bsec : OTP %d is locked and refreshed with 0\n", otp); + + /* check if safemem is power up */ + val = readl(base + BSEC_OTP_STATUS_OFF); + if (!(val & BSEC_MODE_PWR_MASK)) { + ret = bsec_power_safmem(base, true); + if (ret) + return ret; + power_up = 1; + } + /* set BSEC_OTP_CTRL_OFF with the otp value*/ + writel(otp | BSEC_READ, base + BSEC_OTP_CTRL_OFF); + + /* check otp status*/ + ret = readl_poll_timeout(base + BSEC_OTP_STATUS_OFF, + val, (val & BSEC_MODE_BUSY_MASK) == 0, + BSEC_TIMEOUT_US); + if (ret) + return ret; + + ret = bsec_check_error(base, otp); + + if (power_up) + bsec_power_safmem(base, false); + + return ret; +} + +/** + * bsec_read_shadow() - read an otp data value from shadow + * @base: base address of bsec IP + * @val: read value + * @otp: otp number (0 - BSEC_OTP_MAX_VALUE) + * Return: 0 if no error + */ +static int bsec_read_shadow(u32 base, u32 *val, u32 otp) +{ + *val = readl(base + BSEC_OTP_DATA_OFF + otp * sizeof(u32)); + + return bsec_check_error(base, otp); +} + +/** + * bsec_write_shadow() - write value in BSEC data register in shadow + * @base: base address of bsec IP + * @val: value to write + * @otp: otp number (0 - BSEC_OTP_MAX_VALUE) + * Return: 0 if no error + */ +static int bsec_write_shadow(u32 base, u32 val, u32 otp) +{ + /* check if programming of otp is locked */ + if (bsec_read_SW_lock(base, otp)) + pr_debug("bsec : OTP %d is lock, write will be ignore\n", otp); + + writel(val, base + BSEC_OTP_DATA_OFF + otp * sizeof(u32)); + + return bsec_check_error(base, otp); +} + +/** + * bsec_program_otp() - program a bit in SAFMEM + * @base: base address of bsec IP + * @val: value to program + * @otp: otp number (0 - BSEC_OTP_MAX_VALUE) + * after the function the otp data is not refreshed in shadow + * Return: 0 if no error + */ +static int bsec_program_otp(long base, u32 val, u32 otp) +{ + u32 ret; + bool power_up = false; + + if (bsec_read_SP_lock(base, otp)) + pr_debug("bsec : OTP %d locked, prog will be ignore\n", otp); + + if (readl(base + BSEC_OTP_LOCK_OFF) & (1 << BSEC_LOCK_PROGRAM)) + pr_debug("bsec : Global lock, prog will be ignore\n"); + + /* check if safemem is power up */ + if (!(readl(base + BSEC_OTP_STATUS_OFF) & BSEC_MODE_PWR_MASK)) { + ret = bsec_power_safmem(base, true); + if (ret) + return ret; + + power_up = true; + } + /* set value in write register*/ + writel(val, base + BSEC_OTP_WRDATA_OFF); + + /* set BSEC_OTP_CTRL_OFF with the otp value */ + writel(otp | BSEC_WRITE, base + BSEC_OTP_CTRL_OFF); + + /* check otp status*/ + ret = readl_poll_timeout(base + BSEC_OTP_STATUS_OFF, + val, (val & BSEC_MODE_BUSY_MASK) == 0, + BSEC_TIMEOUT_US); + if (ret) + return ret; + + if (val & BSEC_MODE_PROGFAIL_MASK) + ret = -EACCES; + else + ret = bsec_check_error(base, otp); + + if (power_up) + bsec_power_safmem(base, false); + + return ret; +} + +/* BSEC MISC driver *******************************************************/ +struct stm32mp_bsec_platdata { + u32 base; +}; + +static int stm32mp_bsec_read_otp(struct udevice *dev, u32 *val, u32 otp) +{ + struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev); + u32 tmp_data = 0; + int ret; + + /* read current shadow value */ + ret = bsec_read_shadow(plat->base, &tmp_data, otp); + if (ret) + return ret; + + /* copy otp in shadow */ + ret = bsec_shadow_register(plat->base, otp); + if (ret) + return ret; + + ret = bsec_read_shadow(plat->base, val, otp); + if (ret) + return ret; + + /* restore shadow value */ + ret = bsec_write_shadow(plat->base, tmp_data, otp); + return ret; +} + +static int stm32mp_bsec_read_shadow(struct udevice *dev, u32 *val, u32 otp) +{ + struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev); + + return bsec_read_shadow(plat->base, val, otp); +} + +static int stm32mp_bsec_write_otp(struct udevice *dev, u32 val, u32 otp) +{ + struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev); + + return bsec_program_otp(plat->base, val, otp); +} + +static int stm32mp_bsec_write_shadow(struct udevice *dev, u32 val, u32 otp) +{ + struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev); + + return bsec_write_shadow(plat->base, val, otp); +} + +static int stm32mp_bsec_read(struct udevice *dev, int offset, + void *buf, int size) +{ + int ret; + int i; + bool shadow = true; + int nb_otp = size / sizeof(u32); + int otp; + + if (offset >= STM32_BSEC_OTP_OFFSET) { + offset -= STM32_BSEC_OTP_OFFSET; + shadow = false; + } + otp = offset / sizeof(u32); + + if (otp < 0 || (otp + nb_otp - 1) > BSEC_OTP_MAX_VALUE) { + dev_err(dev, "wrong value for otp, max value : %i\n", + BSEC_OTP_MAX_VALUE); + return -EINVAL; + } + + for (i = otp; i < (otp + nb_otp); i++) { + u32 *addr = &((u32 *)buf)[i - otp]; + + if (shadow) + ret = stm32mp_bsec_read_shadow(dev, addr, i); + else + ret = stm32mp_bsec_read_otp(dev, addr, i); + + if (ret) + break; + } + return ret; +} + +static int stm32mp_bsec_write(struct udevice *dev, int offset, + const void *buf, int size) +{ + int ret = 0; + int i; + bool shadow = true; + int nb_otp = size / sizeof(u32); + int otp; + + if (offset >= STM32_BSEC_OTP_OFFSET) { + offset -= STM32_BSEC_OTP_OFFSET; + shadow = false; + } + otp = offset / sizeof(u32); + + if (otp < 0 || (otp + nb_otp - 1) > BSEC_OTP_MAX_VALUE) { + dev_err(dev, "wrong value for otp, max value : %d\n", + BSEC_OTP_MAX_VALUE); + return -EINVAL; + } + + for (i = otp; i < otp + nb_otp; i++) { + u32 *val = &((u32 *)buf)[i - otp]; + + if (shadow) + ret = stm32mp_bsec_write_shadow(dev, *val, i); + else + ret = stm32mp_bsec_write_otp(dev, *val, i); + if (ret) + break; + } + return ret; +} + +static const struct misc_ops stm32mp_bsec_ops = { + .read = stm32mp_bsec_read, + .write = stm32mp_bsec_write, +}; + +static int stm32mp_bsec_ofdata_to_platdata(struct udevice *dev) +{ + struct stm32mp_bsec_platdata *plat = dev_get_platdata(dev); + + plat->base = (u32)dev_read_addr_ptr(dev); + + return 0; +} + +static const struct udevice_id stm32mp_bsec_ids[] = { + { .compatible = "st,stm32mp-bsec" }, + {} +}; + +U_BOOT_DRIVER(stm32mp_bsec) = { + .name = "stm32mp_bsec", + .id = UCLASS_MISC, + .of_match = stm32mp_bsec_ids, + .ofdata_to_platdata = stm32mp_bsec_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct stm32mp_bsec_platdata), + .ops = &stm32mp_bsec_ops, + .flags = DM_FLAG_PRE_RELOC, +}; + +/* bsec IP is not present in device tee, manage IP address by platdata */ +static struct stm32mp_bsec_platdata stm32_bsec_platdata = { + .base = STM32_BSEC_BASE, +}; + +U_BOOT_DEVICE(stm32mp_bsec) = { + .name = "stm32mp_bsec", + .platdata = &stm32_bsec_platdata, +}; diff --git a/arch/arm/mach-stm32mp/cpu.c b/arch/arm/mach-stm32mp/cpu.c index dfcbbd2314..0e01f8e613 100644 --- a/arch/arm/mach-stm32mp/cpu.c +++ b/arch/arm/mach-stm32mp/cpu.c @@ -4,9 +4,13 @@ */ #include <common.h> #include <clk.h> +#include <debug_uart.h> +#include <environment.h> +#include <misc.h> #include <asm/io.h> #include <asm/arch/stm32.h> #include <asm/arch/sys_proto.h> +#include <dm/device.h> #include <dm/uclass.h> /* RCC register */ @@ -50,6 +54,10 @@ #define BOOTROM_INSTANCE_MASK GENMASK(31, 16) #define BOOTROM_INSTANCE_SHIFT 16 +/* BSEC OTP index */ +#define BSEC_OTP_SERIAL 13 +#define BSEC_OTP_MAC 57 + #if !defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD) static void security_init(void) { @@ -152,6 +160,8 @@ static u32 get_bootmode(void) */ int arch_cpu_init(void) { + u32 boot_mode; + /* early armv7 timer init: needed for polling */ timer_init(); @@ -160,8 +170,17 @@ int arch_cpu_init(void) security_init(); #endif + /* get bootmode from BootRom context: saved in TAMP register */ - get_bootmode(); + boot_mode = get_bootmode(); + + if ((boot_mode & TAMP_BOOT_DEVICE_MASK) == BOOT_SERIAL_UART) + gd->flags |= GD_FLG_SILENT | GD_FLG_DISABLE_CONSOLE; +#if defined(CONFIG_DEBUG_UART) && \ + (!defined(CONFIG_SPL) || defined(CONFIG_SPL_BUILD)) + else + debug_uart_init(); +#endif return 0; } @@ -262,9 +281,83 @@ static void setup_boot_mode(void) } } +/* + * If there is no MAC address in the environment, then it will be initialized + * (silently) from the value in the OTP. + */ +static int setup_mac_address(void) +{ +#if defined(CONFIG_NET) + int ret; + int i; + u32 otp[2]; + uchar enetaddr[6]; + struct udevice *dev; + + /* MAC already in environment */ + if (eth_env_get_enetaddr("ethaddr", enetaddr)) + return 0; + + ret = uclass_get_device_by_driver(UCLASS_MISC, + DM_GET_DRIVER(stm32mp_bsec), + &dev); + if (ret) + return ret; + + ret = misc_read(dev, BSEC_OTP_MAC * 4 + STM32_BSEC_OTP_OFFSET, + otp, sizeof(otp)); + if (ret) + return ret; + + for (i = 0; i < 6; i++) + enetaddr[i] = ((uint8_t *)&otp)[i]; + + if (!is_valid_ethaddr(enetaddr)) { + pr_err("invalid MAC address in OTP %pM", enetaddr); + return -EINVAL; + } + pr_debug("OTP MAC address = %pM\n", enetaddr); + ret = !eth_env_set_enetaddr("ethaddr", enetaddr); + if (!ret) + pr_err("Failed to set mac address %pM from OTP: %d\n", + enetaddr, ret); +#endif + + return 0; +} + +static int setup_serial_number(void) +{ + char serial_string[25]; + u32 otp[3] = {0, 0, 0 }; + struct udevice *dev; + int ret; + + if (env_get("serial#")) + return 0; + + ret = uclass_get_device_by_driver(UCLASS_MISC, + DM_GET_DRIVER(stm32mp_bsec), + &dev); + if (ret) + return ret; + + ret = misc_read(dev, BSEC_OTP_SERIAL * 4 + STM32_BSEC_OTP_OFFSET, + otp, sizeof(otp)); + if (ret) + return ret; + + sprintf(serial_string, "%08x%08x%08x", otp[0], otp[1], otp[2]); + env_set("serial#", serial_string); + + return 0; +} + int arch_misc_init(void) { setup_boot_mode(); + setup_mac_address(); + setup_serial_number(); return 0; } diff --git a/arch/arm/mach-stm32mp/include/mach/stm32.h b/arch/arm/mach-stm32mp/include/mach/stm32.h index a8142013b0..5d0bdca178 100644 --- a/arch/arm/mach-stm32mp/include/mach/stm32.h +++ b/arch/arm/mach-stm32mp/include/mach/stm32.h @@ -13,10 +13,23 @@ #define STM32_RCC_BASE 0x50000000 #define STM32_PWR_BASE 0x50001000 #define STM32_DBGMCU_BASE 0x50081000 +#define STM32_BSEC_BASE 0x5C005000 #define STM32_TZC_BASE 0x5C006000 #define STM32_ETZPC_BASE 0x5C007000 #define STM32_TAMP_BASE 0x5C00A000 +#ifdef CONFIG_DEBUG_UART_BASE +/* hardcoded value can be only used for DEBUG UART */ +#define STM32_USART1_BASE 0x5C000000 +#define STM32_USART2_BASE 0x4000E000 +#define STM32_USART3_BASE 0x4000F000 +#define STM32_UART4_BASE 0x40010000 +#define STM32_UART5_BASE 0x40011000 +#define STM32_USART6_BASE 0x44003000 +#define STM32_UART7_BASE 0x40018000 +#define STM32_UART8_BASE 0x40019000 +#endif + #define STM32_SYSRAM_BASE 0x2FFC0000 #define STM32_SYSRAM_SIZE SZ_256K @@ -83,5 +96,9 @@ enum boot_device { #define TAMP_BOOT_DEVICE_MASK GENMASK(7, 4) #define TAMP_BOOT_INSTANCE_MASK GENMASK(3, 0) +/* offset used for BSEC driver: misc_read and misc_write */ +#define STM32_BSEC_SHADOW_OFFSET 0x0 +#define STM32_BSEC_OTP_OFFSET 0x80000000 + #endif /* __ASSEMBLY__*/ #endif /* _MACH_STM32_H_ */ diff --git a/arch/arm/mach-stm32mp/spl.c b/arch/arm/mach-stm32mp/spl.c index b56f0c5381..790973e8b6 100644 --- a/arch/arm/mach-stm32mp/spl.c +++ b/arch/arm/mach-stm32mp/spl.c @@ -14,9 +14,6 @@ u32 spl_boot_device(void) boot_mode = (readl(TAMP_BOOT_CONTEXT) & TAMP_BOOT_MODE_MASK) >> TAMP_BOOT_MODE_SHIFT; - clrsetbits_le32(TAMP_BOOT_CONTEXT, - TAMP_BOOT_MODE_MASK, - boot_mode << TAMP_BOOT_MODE_SHIFT); switch (boot_mode) { case BOOT_FLASH_SD_1: diff --git a/arch/arm/mach-uniphier/board_late_init.c b/arch/arm/mach-uniphier/board_late_init.c index 9dff3f16a0..6a995728d4 100644 --- a/arch/arm/mach-uniphier/board_late_init.c +++ b/arch/arm/mach-uniphier/board_late_init.c @@ -38,7 +38,7 @@ static int uniphier_set_fdt_file(void) char dtb_name[256]; int buf_len = sizeof(dtb_name); - if (env_get("fdt_file")) + if (env_get("fdtfile")) return 0; /* do nothing if it is already set */ compat = fdt_stringlist_get(gd->fdt_blob, 0, "compatible", 0, NULL); @@ -56,7 +56,7 @@ static int uniphier_set_fdt_file(void) strncat(dtb_name, ".dtb", buf_len); - return env_set("fdt_file", dtb_name); + return env_set("fdtfile", dtb_name); } int board_late_init(void) diff --git a/arch/sandbox/dts/sandbox.dts b/arch/sandbox/dts/sandbox.dts index 86680a6b11..0ea2452742 100644 --- a/arch/sandbox/dts/sandbox.dts +++ b/arch/sandbox/dts/sandbox.dts @@ -242,6 +242,10 @@ compatible = "google,sandbox-tpm"; }; + tpm2 { + compatible = "sandbox,tpm2"; + }; + triangle { compatible = "demo-shape"; colour = "cyan"; diff --git a/arch/sandbox/dts/sandbox64.dts b/arch/sandbox/dts/sandbox64.dts index 8f707b47db..48e420e721 100644 --- a/arch/sandbox/dts/sandbox64.dts +++ b/arch/sandbox/dts/sandbox64.dts @@ -242,6 +242,10 @@ compatible = "google,sandbox-tpm"; }; + tpm2 { + compatible = "sandbox,tpm2"; + }; + triangle { compatible = "demo-shape"; colour = "cyan"; diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts index 5a0f187d8b..f2e5d65dad 100644 --- a/arch/sandbox/dts/test.dts +++ b/arch/sandbox/dts/test.dts @@ -422,6 +422,10 @@ clock-frequency = <1000000>; }; + tpm2 { + compatible = "sandbox,tpm2"; + }; + uart0: serial { compatible = "sandbox,serial"; u-boot,dm-pre-reloc; |