diff options
Diffstat (limited to 'arch/arm/mach-tegra/tegra30')
| -rw-r--r-- | arch/arm/mach-tegra/tegra30/Kconfig | 8 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/tegra30/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/tegra30/bct.c | 79 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/tegra30/bct.h | 42 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/tegra30/clock.c | 90 | ||||
| -rw-r--r-- | arch/arm/mach-tegra/tegra30/cpu.c | 55 |
6 files changed, 209 insertions, 66 deletions
diff --git a/arch/arm/mach-tegra/tegra30/Kconfig b/arch/arm/mach-tegra/tegra30/Kconfig index 5619d1cd42f..85b8ce294f2 100644 --- a/arch/arm/mach-tegra/tegra30/Kconfig +++ b/arch/arm/mach-tegra/tegra30/Kconfig @@ -1,11 +1,5 @@ if TEGRA30 -config TEGRA_VDD_CORE_TPS62361B_SET3 - bool - -config TEGRA_VDD_CORE_TPS62366A_SET1 - bool - choice prompt "Tegra30 board select" optional @@ -17,12 +11,10 @@ config TARGET_APALIS_T30 config TARGET_BEAVER bool "NVIDIA Tegra30 Beaver evaluation board" select BOARD_LATE_INIT - select TEGRA_VDD_CORE_TPS62366A_SET1 config TARGET_CARDHU bool "NVIDIA Tegra30 Cardhu evaluation board" select BOARD_LATE_INIT - select TEGRA_VDD_CORE_TPS62361B_SET3 config TARGET_COLIBRI_T30 bool "Toradex Colibri T30 board" diff --git a/arch/arm/mach-tegra/tegra30/Makefile b/arch/arm/mach-tegra/tegra30/Makefile index 9f170576e7c..28dd486d8dd 100644 --- a/arch/arm/mach-tegra/tegra30/Makefile +++ b/arch/arm/mach-tegra/tegra30/Makefile @@ -3,5 +3,6 @@ # Copyright (c) 2010-2012, NVIDIA CORPORATION. All rights reserved. obj-$(CONFIG_SPL_BUILD) += cpu.o +obj-$(CONFIG_$(SPL_)CMD_EBTUPDATE) += bct.o obj-y += clock.o funcmux.o pinmux.o diff --git a/arch/arm/mach-tegra/tegra30/bct.c b/arch/arm/mach-tegra/tegra30/bct.c new file mode 100644 index 00000000000..c56958da691 --- /dev/null +++ b/arch/arm/mach-tegra/tegra30/bct.c @@ -0,0 +1,79 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) 2022, Ramin <raminterex@yahoo.com> + * Copyright (c) 2022, Svyatoslav Ryhel <clamor95@gmail.com> + */ + +#include <common.h> +#include <command.h> +#include <log.h> +#include <asm/arch-tegra/crypto.h> +#include "bct.h" +#include "uboot_aes.h" + +/* + * @param bct boot config table start in RAM + * @param ect bootloader start in RAM + * @param ebt_size bootloader file size in bytes + * Return: 0, or 1 if failed + */ +static int bct_patch(u8 *bct, u8 *ebt, u32 ebt_size) +{ + struct nvboot_config_table *bct_tbl = NULL; + u8 ebt_hash[AES128_KEY_LENGTH] = { 0 }; + u8 sbk[AES128_KEY_LENGTH] = { 0 }; + u8 *bct_hash = bct; + int ret; + + bct += BCT_HASH; + + memcpy(sbk, (u8 *)(bct + BCT_LENGTH), + NVBOOT_CMAC_AES_HASH_LENGTH * 4); + + ret = decrypt_data_block(bct, BCT_LENGTH, sbk); + if (ret) + return 1; + + ebt_size = roundup(ebt_size, EBT_ALIGNMENT); + + ret = encrypt_data_block(ebt, ebt_size, sbk); + if (ret) + return 1; + + ret = sign_enc_data_block(ebt, ebt_size, ebt_hash, sbk); + if (ret) + return 1; + + bct_tbl = (struct nvboot_config_table *)bct; + + memcpy((u8 *)&bct_tbl->bootloader[0].crypto_hash, + ebt_hash, NVBOOT_CMAC_AES_HASH_LENGTH * 4); + bct_tbl->bootloader[0].entry_point = CONFIG_SPL_TEXT_BASE; + bct_tbl->bootloader[0].load_addr = CONFIG_SPL_TEXT_BASE; + bct_tbl->bootloader[0].length = ebt_size; + + ret = encrypt_data_block(bct, BCT_LENGTH, sbk); + if (ret) + return 1; + + ret = sign_enc_data_block(bct, BCT_LENGTH, bct_hash, sbk); + if (ret) + return 1; + + return 0; +} + +static int do_ebtupdate(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + u32 bct_addr = hextoul(argv[1], NULL); + u32 ebt_addr = hextoul(argv[2], NULL); + u32 ebt_size = hextoul(argv[3], NULL); + + return bct_patch((u8 *)bct_addr, (u8 *)ebt_addr, ebt_size); +} + +U_BOOT_CMD(ebtupdate, 4, 0, do_ebtupdate, + "update bootloader on re-crypted Tegra30 devices", + "" +); diff --git a/arch/arm/mach-tegra/tegra30/bct.h b/arch/arm/mach-tegra/tegra30/bct.h new file mode 100644 index 00000000000..9797384da32 --- /dev/null +++ b/arch/arm/mach-tegra/tegra30/bct.h @@ -0,0 +1,42 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ + +#ifndef _BCT_H_ +#define _BCT_H_ + +/* + * Defines the BCT parametres for T30 + */ +#define BCT_LENGTH 0x17E0 +#define BCT_HASH 0x10 +#define EBT_ALIGNMENT 0x10 + +/* + * Defines the CMAC-AES-128 hash length in 32 bit words. (128 bits = 4 words) + */ +#define NVBOOT_CMAC_AES_HASH_LENGTH 4 + +/* + * Defines the maximum number of bootloader descriptions in the BCT. + */ +#define NVBOOT_MAX_BOOTLOADERS 4 + +struct nv_bootloader_info { + u32 version; + u32 start_blk; + u32 start_page; + u32 length; + u32 load_addr; + u32 entry_point; + u32 attribute; + u32 crypto_hash[NVBOOT_CMAC_AES_HASH_LENGTH]; +}; + +struct nvboot_config_table { + u32 unused0[4]; + u32 boot_data_version; + u32 unused1[972]; + struct nv_bootloader_info bootloader[NVBOOT_MAX_BOOTLOADERS]; + u32 unused2[508]; +}; + +#endif /* _BCT_H_ */ diff --git a/arch/arm/mach-tegra/tegra30/clock.c b/arch/arm/mach-tegra/tegra30/clock.c index 449b66e3b2c..1dc9d09dba8 100644 --- a/arch/arm/mach-tegra/tegra30/clock.c +++ b/arch/arm/mach-tegra/tegra30/clock.c @@ -19,6 +19,8 @@ #include <fdtdec.h> #include <linux/delay.h> +#include <dt-bindings/clock/tegra30-car.h> + /* * Clock types that we can use as a source. The Tegra30 has muxes for the * peripheral clocks, and in most cases there are four options for the clock @@ -377,9 +379,9 @@ static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = { PERIPHC_ACTMON, /* 24 */ - NONE(RESERVED24), - NONE(RESERVED25), - NONE(RESERVED26), + PERIPHC_EXTPERIPH1, + PERIPHC_EXTPERIPH2, + PERIPHC_EXTPERIPH3, NONE(RESERVED27), PERIPHC_SATA, PERIPHC_HDA, @@ -628,11 +630,87 @@ enum periph_id clk_id_to_periph_id(int clk_id) return clk_id; } } + +/* + * Convert a device tree clock ID to our PLL ID. + * + * @param clk_id Clock ID according to tegra30 device tree binding + * Return: clock ID, or CLOCK_ID_NONE if the clock ID is invalid + */ +enum clock_id clk_id_to_pll_id(int clk_id) +{ + switch (clk_id) { + case TEGRA30_CLK_PLL_C: + return CLOCK_ID_CGENERAL; + case TEGRA30_CLK_PLL_M: + return CLOCK_ID_MEMORY; + case TEGRA30_CLK_PLL_P: + return CLOCK_ID_PERIPH; + case TEGRA30_CLK_PLL_A: + return CLOCK_ID_AUDIO; + case TEGRA30_CLK_PLL_U: + return CLOCK_ID_USB; + case TEGRA30_CLK_PLL_D: + case TEGRA30_CLK_PLL_D_OUT0: + return CLOCK_ID_DISPLAY; + case TEGRA30_CLK_PLL_X: + return CLOCK_ID_XCPU; + case TEGRA30_CLK_PLL_E: + return CLOCK_ID_EPCI; + case TEGRA30_CLK_CLK_32K: + return CLOCK_ID_32KHZ; + case TEGRA30_CLK_CLK_M: + return CLOCK_ID_CLK_M; + default: + return CLOCK_ID_NONE; + } +} #endif /* CONFIG_IS_ENABLED(OF_CONTROL) */ void clock_early_init(void) { + struct clk_rst_ctlr *clkrst = + (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE; + struct clk_pll_info *pllinfo; + u32 data; + tegra30_set_up_pllp(); + + /* + * PLLD output frequency set to 925Mhz + */ + switch (clock_get_osc_freq()) { + case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */ + case CLOCK_OSC_FREQ_48_0: /* OSC is 48Mhz */ + clock_set_rate(CLOCK_ID_DISPLAY, 925, 12, 0, 12); + break; + + case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */ + clock_set_rate(CLOCK_ID_DISPLAY, 925, 26, 0, 12); + break; + + case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */ + case CLOCK_OSC_FREQ_16_8: /* OSC is 16.8Mhz */ + clock_set_rate(CLOCK_ID_DISPLAY, 925, 13, 0, 12); + break; + + case CLOCK_OSC_FREQ_19_2: + case CLOCK_OSC_FREQ_38_4: + default: + /* + * These are not supported. It is too early to print a + * message and the UART likely won't work anyway due to the + * oscillator being wrong. + */ + break; + } + + /* PLLD_MISC: Set CLKENABLE, CPCON 12, LFCON 1, and enable lock */ + pllinfo = &tegra_pll_info_table[CLOCK_ID_DISPLAY]; + data = (12 << pllinfo->kcp_shift) | (1 << pllinfo->kvco_shift); + data |= (1 << PLLD_CLKENABLE) | (1 << pllinfo->lock_ena); + writel(data, &clkrst->crc_pll[CLOCK_ID_DISPLAY].pll_misc); + udelay(2); } void arch_timer_init(void) @@ -799,14 +877,14 @@ struct periph_clk_init periph_clk_init_table[] = { { PERIPH_ID_SBC4, CLOCK_ID_PERIPH }, { PERIPH_ID_SBC5, CLOCK_ID_PERIPH }, { PERIPH_ID_SBC6, CLOCK_ID_PERIPH }, - { PERIPH_ID_HOST1X, CLOCK_ID_PERIPH }, - { PERIPH_ID_DISP1, CLOCK_ID_CGENERAL }, + { PERIPH_ID_HOST1X, CLOCK_ID_CGENERAL }, + { PERIPH_ID_DISP1, CLOCK_ID_PERIPH }, { PERIPH_ID_NDFLASH, CLOCK_ID_PERIPH }, { PERIPH_ID_SDMMC1, CLOCK_ID_PERIPH }, { PERIPH_ID_SDMMC2, CLOCK_ID_PERIPH }, { PERIPH_ID_SDMMC3, CLOCK_ID_PERIPH }, { PERIPH_ID_SDMMC4, CLOCK_ID_PERIPH }, - { PERIPH_ID_PWM, CLOCK_ID_SFROM32KHZ }, + { PERIPH_ID_PWM, CLOCK_ID_PERIPH }, { PERIPH_ID_DVC_I2C, CLOCK_ID_PERIPH }, { PERIPH_ID_I2C1, CLOCK_ID_PERIPH }, { PERIPH_ID_I2C2, CLOCK_ID_PERIPH }, diff --git a/arch/arm/mach-tegra/tegra30/cpu.c b/arch/arm/mach-tegra/tegra30/cpu.c index 651edd27ee8..60bbf13ea52 100644 --- a/arch/arm/mach-tegra/tegra30/cpu.c +++ b/arch/arm/mach-tegra/tegra30/cpu.c @@ -15,37 +15,8 @@ #include <linux/delay.h> #include "../cpu.h" -/* Tegra30-specific CPU init code */ -void tegra_i2c_ll_write_addr(uint addr, uint config) -{ - struct i2c_ctlr *reg = (struct i2c_ctlr *)TEGRA_DVC_BASE; - - writel(addr, ®->cmd_addr0); - writel(config, ®->cnfg); -} - -void tegra_i2c_ll_write_data(uint data, uint config) -{ - struct i2c_ctlr *reg = (struct i2c_ctlr *)TEGRA_DVC_BASE; - - writel(data, ®->cmd_data1); - writel(config, ®->cnfg); -} - -#define TPS62366A_I2C_ADDR 0xC0 -#define TPS62366A_SET1_REG 0x01 -#define TPS62366A_SET1_DATA (0x4600 | TPS62366A_SET1_REG) - -#define TPS62361B_I2C_ADDR 0xC0 -#define TPS62361B_SET3_REG 0x03 -#define TPS62361B_SET3_DATA (0x4600 | TPS62361B_SET3_REG) - -#define TPS65911_I2C_ADDR 0x5A -#define TPS65911_VDDCTRL_OP_REG 0x28 -#define TPS65911_VDDCTRL_SR_REG 0x27 -#define TPS65911_VDDCTRL_OP_DATA (0x2400 | TPS65911_VDDCTRL_OP_REG) -#define TPS65911_VDDCTRL_SR_DATA (0x0100 | TPS65911_VDDCTRL_SR_REG) -#define I2C_SEND_2_BYTES 0x0A02 +/* In case this function is not defined */ +__weak void pmic_enable_cpu_vdd(void) {} static void enable_cpu_power_rail(void) { @@ -56,27 +27,6 @@ static void enable_cpu_power_rail(void) reg = readl(&pmc->pmc_cntrl); reg |= CPUPWRREQ_OE; writel(reg, &pmc->pmc_cntrl); - - /* Set VDD_CORE to 1.200V. */ -#ifdef CONFIG_TEGRA_VDD_CORE_TPS62366A_SET1 - tegra_i2c_ll_write_addr(TPS62366A_I2C_ADDR, 2); - tegra_i2c_ll_write_data(TPS62366A_SET1_DATA, I2C_SEND_2_BYTES); -#endif -#ifdef CONFIG_TEGRA_VDD_CORE_TPS62361B_SET3 - tegra_i2c_ll_write_addr(TPS62361B_I2C_ADDR, 2); - tegra_i2c_ll_write_data(TPS62361B_SET3_DATA, I2C_SEND_2_BYTES); -#endif - udelay(1000); - - /* - * Bring up CPU VDD via the TPS65911x PMIC on the DVC I2C bus. - * First set VDD to 1.0125V, then enable the VDD regulator. - */ - tegra_i2c_ll_write_addr(TPS65911_I2C_ADDR, 2); - tegra_i2c_ll_write_data(TPS65911_VDDCTRL_OP_DATA, I2C_SEND_2_BYTES); - udelay(1000); - tegra_i2c_ll_write_data(TPS65911_VDDCTRL_SR_DATA, I2C_SEND_2_BYTES); - udelay(10 * 1000); } /** @@ -142,6 +92,7 @@ void start_cpu(u32 reset_vector) /* Enable VDD_CPU */ enable_cpu_power_rail(); + pmic_enable_cpu_vdd(); set_cpu_running(0); |