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Diffstat (limited to 'src/soc/nvidia/tegra132/lp0/tegra_lp0_resume.c')
-rw-r--r--src/soc/nvidia/tegra132/lp0/tegra_lp0_resume.c687
1 files changed, 0 insertions, 687 deletions
diff --git a/src/soc/nvidia/tegra132/lp0/tegra_lp0_resume.c b/src/soc/nvidia/tegra132/lp0/tegra_lp0_resume.c
deleted file mode 100644
index bd4e5c4218..0000000000
--- a/src/soc/nvidia/tegra132/lp0/tegra_lp0_resume.c
+++ /dev/null
@@ -1,687 +0,0 @@
-/*
- * Copyright 2014 Google Inc.
- * Copyright 2013, NVIDIA CORPORATION. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- */
-
-#include <stdint.h>
-
-/* Function unit addresses. */
-enum {
- UP_TAG_BASE = 0X60000000,
- TIMER_BASE = 0X60005000,
- CLK_RST_BASE = 0X60006000,
- FLOW_CTLR_BASE = 0X60007000,
- TEGRA_EVP_BASE = 0x6000f000,
- APB_MISC_BASE = 0x70000000,
- PMC_CTLR_BASE = 0X7000e400,
- MC_CTLR_BASE = 0X70019000,
-};
-
-
-
-/* UP tag registers. */
-static uint32_t *up_tag_ptr = (void *)(UP_TAG_BASE + 0x0);
-enum {
- UP_TAG_AVP = 0xaaaaaaaa
-};
-
-
-/* APB Misc JTAG Configuration Register */
-static uint32_t *misc_pp_config_ctl_ptr = (void *)(APB_MISC_BASE + 0x24);
-enum {
- PP_CONFIG_CTL_JTAG = 0x1 << 6
-};
-
-
-/* Timer registers. */
-static uint32_t *timer_us_ptr = (void *)(TIMER_BASE + 0x10);
-
-
-
-/* Clock and reset controller registers. */
-static uint32_t *clk_rst_rst_devices_l_ptr = (void *)(CLK_RST_BASE + 0x4);
-enum {
- SWR_TRIG_SYS_RST = 0x1 << 2
-};
-
-static uint32_t *clk_rst_cclk_burst_policy_ptr = (void *)(CLK_RST_BASE + 0x20);
-enum {
- CCLK_PLLP_BURST_POLICY = 0x20004444
-};
-
-static uint32_t *clk_rst_super_cclk_div_ptr = (void *)(CLK_RST_BASE + 0x24);
-enum {
- SUPER_CDIV_ENB = 0x1 << 31
-};
-
-static uint32_t *clk_rst_osc_ctrl_ptr = (void *)(CLK_RST_BASE + 0x50);
-enum {
- OSC_XOE = 0x1 << 0,
- OSC_XOFS_SHIFT = 4,
- OSC_XOFS_MASK = 0x3f << OSC_XOFS_SHIFT,
- OSC_FREQ_SHIFT = 28,
- OSC_FREQ_MASK = 0xf << OSC_FREQ_SHIFT
-};
-enum {
- OSC_FREQ_13 = 0,
- OSC_FREQ_16P8 = 1,
- OSC_FREQ_19P2 = 4,
- OSC_FREQ_38P4 = 5,
- OSC_FREQ_12 = 8,
- OSC_FREQ_48 = 9,
- OSC_FREQ_26 = 12
-};
-
-static uint32_t *clk_rst_pllu_base_ptr = (void *)(CLK_RST_BASE + 0xc0);
-enum {
- PLLU_DIVM_SHIFT = 0,
- PLLU_DIVN_SHIFT = 8,
- PLLU_OVERRIDE = 0x1 << 24,
- PLLU_ENABLE = 0x1 << 30,
- PLLU_BYPASS = 0x1 << 31
-};
-
-static uint32_t *clk_rst_pllu_misc_ptr = (void *)(CLK_RST_BASE + 0xcc);
-enum {
- PLLU_LFCON_SHIFT = 4,
- PLLU_CPCON_SHIFT = 8,
- PLLU_LOCK_ENABLE = 22
-};
-
-static uint32_t *clk_rst_pllx_base_ptr = (void *)(CLK_RST_BASE + 0xe0);
-enum {
- PLLX_ENABLE = 0x1 << 30
-};
-
-static uint32_t *clk_rst_rst_dev_u_clr_ptr = (void *)(CLK_RST_BASE + 0x314);
-enum {
- SWR_CSITE_RST = 0x1 << 9
-};
-
-static uint32_t *clk_rst_clk_enb_l_set_ptr = (void *)(CLK_RST_BASE + 0x320);
-enum {
- CLK_ENB_CPU = 0x1 << 0
-};
-
-static uint32_t *clk_rst_clk_out_enb_u_set_ptr =
- (void *)(CLK_RST_BASE + 0x330);
-enum {
- CLK_ENB_CSITE = 0x1 << 9
-};
-
-static uint32_t *clk_rst_cpu_softrst_ctrl2_ptr =
- (void *)(CLK_RST_BASE + 0x388);
-enum {
- CAR2PMC_CPU_ACK_WIDTH_SHIFT = 0,
- CAR2PMC_CPU_ACK_WIDTH_MASK = 0xfff << CAR2PMC_CPU_ACK_WIDTH_SHIFT
-};
-
-static uint32_t *clk_rst_clk_enb_v_set_ptr = (void *)(CLK_RST_BASE + 0x440);
-enum {
- CLK_ENB_CPUG = 0x1 << 0,
- CLK_ENB_CPULP = 0x1 << 1,
-};
-
-static uint32_t *clk_rst_rst_cpulp_cmplx_set_ptr =
- (void *)(CLK_RST_BASE + 0x450);
-enum {
- SET_CXRESET0 = 0x1 << 20,
- SET_CXRESET1 = 0x1 << 21
-};
-static uint32_t *clk_rst_rst_cpug_cmplx_clr_ptr =
- (void *)(CLK_RST_BASE + 0x454);
-enum {
- CLR_CPURESET0 = 0x1 << 0,
- CLR_CPURESET1 = 0x1 << 1,
- CLR_CPURESET2 = 0x1 << 2,
- CLR_CPURESET3 = 0x1 << 3,
- CLR_DBGRESET0 = 0x1 << 12,
- CLR_DBGRESET1 = 0x1 << 13,
- CLR_DBGRESET2 = 0x1 << 14,
- CLR_DBGRESET3 = 0x1 << 15,
- CLR_CORERESET0 = 0x1 << 16,
- CLR_CORERESET1 = 0x1 << 17,
- CLR_CORERESET2 = 0x1 << 18,
- CLR_CORERESET3 = 0x1 << 19,
- CLR_CXRESET0 = 0x1 << 20,
- CLR_CXRESET1 = 0x1 << 21,
- CLR_CXRESET2 = 0x1 << 22,
- CLR_CXRESET3 = 0x1 << 23,
- CLR_L2RESET = 0x1 << 24,
- CLR_NONCPURESET = 0x1 << 29,
- CLR_PRESETDBG = 0x1 << 30
-};
-
-
-/* Reset vector. */
-
-static uint32_t *evp_cpu_reset_ptr = (void *)(TEGRA_EVP_BASE + 0x100);
-
-
-
-/* Flow controller registers. */
-static uint32_t *flow_ctlr_halt_cop_events_ptr =
- (void *)(FLOW_CTLR_BASE + 0x4);
-enum {
- EVENT_MSEC = 0x1 << 24,
- EVENT_JTAG = 0x1 << 28,
- FLOW_MODE_SHIFT = 29,
- FLOW_MODE_STOP = 2 << FLOW_MODE_SHIFT,
-};
-
-static uint32_t *flow_ctlr_cluster_control_ptr =
- (void *)(FLOW_CTLR_BASE + 0x2c);
-enum {
- FLOW_CLUSTER_ACTIVE_LP = 0x1 << 0
-};
-
-static uint32_t *flow_ctlr_ram_repair_ptr =
- (void *)(FLOW_CTLR_BASE + 0x40);
-static uint32_t *flow_ctlr_ram_repair_cluster1_ptr =
- (void *)(FLOW_CTLR_BASE + 0x58);
-enum {
- RAM_REPAIR_REQ = 0x1 << 0,
- RAM_REPAIR_STS = 0x1 << 1,
-};
-
-
-/* Power management controller registers. */
-enum {
- PARTID_CRAIL = 0,
- PARTID_CE0 = 14,
- PARTID_C0NC = 15,
-};
-
-static uint32_t *pmc_ctlr_clamp_status_ptr = (void *)(PMC_CTLR_BASE + 0x2c);
-
-static uint32_t *pmc_ctlr_pwrgate_toggle_ptr = (void *)(PMC_CTLR_BASE + 0x30);
-enum {
- PWRGATE_TOGGLE_START = 0x1 << 8
-};
-
-static uint32_t *pmc_ctlr_pwrgate_status_ptr = (void *)(PMC_CTLR_BASE + 0x38);
-
-static uint32_t *pmc_ctlr_cpupwrgood_timer_ptr =
- (void *)(PMC_CTLR_BASE + 0xc8);
-
-static uint32_t *pmc_odmdata_ptr = (void *)(PMC_CTLR_BASE + 0xa0);
-
-static uint32_t *pmc_ctlr_scratch41_ptr = (void *)(PMC_CTLR_BASE + 0x140);
-static uint32_t *pmc_ctlr_secure_scratch34_ptr = (void *)(PMC_CTLR_BASE + 0x368);
-static uint32_t *pmc_ctlr_secure_scratch35_ptr = (void *)(PMC_CTLR_BASE + 0x36c);
-
-static uint32_t *pmc_ctlr_osc_edpd_over_ptr = (void *)(PMC_CTLR_BASE + 0x1a4);
-enum {
- PMC_XOFS_SHIFT = 1,
- PMC_XOFS_MASK = 0x3f << PMC_XOFS_SHIFT
-};
-
-
-
-/* Memory controller registers. */
-static uint32_t *mc_video_protect_size_mb_ptr = (void *)(MC_CTLR_BASE + 0x64c);
-
-static uint32_t *mc_video_protect_reg_ctrl_ptr =
- (void *)(MC_CTLR_BASE + 0x650);
-enum {
- VIDEO_PROTECT_WRITE_ACCESS_DISABLE = 0x1 << 0,
- VIDEO_PROTECT_ALLOW_TZ_WRITE_ACCESS = 0x1 << 1
-};
-
-
-/* Utility functions. */
-
-static inline void __attribute__((always_inline))
- __attribute__((noreturn)) halt(void)
-{
- for (;;);
-}
-
-static inline uint32_t read32(const void *addr)
-{
- return *(volatile uint32_t *)addr;
-}
-
-static inline void write32(void *addr, uint32_t val)
-{
- *(volatile uint32_t *)addr = val;
-}
-
-static inline void setbits32(uint32_t bits, void *addr)
-{
- write32(addr, read32(addr) | bits);
-}
-
-static inline void clrbits32(uint32_t bits, void *addr)
-{
- write32(addr, read32(addr) & ~bits);
-}
-
-static void __attribute__((noreturn)) reset(void)
-{
- write32(clk_rst_rst_devices_l_ptr, SWR_TRIG_SYS_RST);
- halt();
-}
-
-static void udelay(unsigned usecs)
-{
- uint32_t start = read32(timer_us_ptr);
- while (read32(timer_us_ptr) - start < usecs)
- ;
-}
-
-/* UART related defines */
-static uint32_t *uart_clk_out_enb_regs[4] = {
- (uint32_t *)0x60006010,
- (uint32_t *)0x60006010,
- (uint32_t *)0x60006014,
- (uint32_t *)0x60006018
-};
-
-static uint32_t *uart_rst_devices_regs[4] = {
- (uint32_t *)0x60006004,
- (uint32_t *)0x60006004,
- (uint32_t *)0x60006008,
- (uint32_t *)0x6000600c
-};
-
-static uint32_t uart_enable_mask[4] = {
- 1 << 6,
- 1 << 7,
- 1 << 23,
- 1 << 1
-};
-
-static uint32_t *uart_clk_source_regs[4] = {
- (uint32_t *)0x60006178,
- (uint32_t *)0x6000617c,
- (uint32_t *)0x600061a0,
- (uint32_t *)0x600061c0,
-};
-
-static uint32_t *uart_base_regs[4] = {
- (uint32_t *)0x70006000,
- (uint32_t *)0x70006040,
- (uint32_t *)0x70006200,
- (uint32_t *)0x70006300,
-};
-enum {
- UART_THR_DLAB = 0x0,
- UART_IER_DLAB = 0x1,
- UART_IIR_FCR = 0x2,
- UART_LCR = 0x3
-};
-enum {
- UART_RATE_115200 = (408000000/115200/16), /* based on 408000000 PLLP */
- FCR_TX_CLR = 0x4, /* bit 2 of FCR : clear TX FIFO */
- FCR_RX_CLR = 0x2, /* bit 1 of FCR : clear RX FIFO */
- FCR_EN_FIFO = 0x1, /* bit 0 of FCR : enable TX & RX FIFO */
- LCR_DLAB = 0x80, /* bit 7 of LCR : Divisor Latch Access Bit */
- LCR_WD_SIZE_8 = 0x3, /* bit 1:0 of LCR : word length of 8 */
-};
-
-static void enable_uart(void)
-{
- uint32_t *uart_clk_enb_reg;
- uint32_t *uart_rst_reg;
- uint32_t *uart_clk_source;
- uint32_t uart_port;
- uint32_t uart_mask;
- uint32_t *uart_base;
-
- /*
- * Read odmdata (stored in pmc->odmdata) to determine debug uart port.
- *
- * Bits 15-17 of odmdata contains debug uart port.
- * 0 : UARTA
- * 1 : UARTB
- * 2 : UARTC
- * 3 : UARTD
- */
- uart_port = (read32(pmc_odmdata_ptr) >> 15) & 0x7;
-
- /* Default to UARTA if uart_port is out of range */
- if (uart_port >= 4)
- uart_port = 0;
-
- uart_clk_enb_reg = uart_clk_out_enb_regs[uart_port];
- uart_rst_reg = uart_rst_devices_regs[uart_port];
- uart_mask = uart_enable_mask[uart_port];
- uart_clk_source = uart_clk_source_regs[uart_port];
- uart_base = uart_base_regs[uart_port];
-
- /* Enable UART clock */
- setbits32(uart_mask, uart_clk_enb_reg);
-
- /* Reset and unreset UART */
- setbits32(uart_mask, uart_rst_reg);
- clrbits32(uart_mask, uart_rst_reg);
-
- /* Program UART clock source: PLLP (408000000) */
- write32(uart_clk_source, 0);
-
- /* Program 115200n8 to the uart port */
- /* baud-rate of 115200 */
- write32((uart_base + UART_LCR), LCR_DLAB);
- write32((uart_base + UART_THR_DLAB), (UART_RATE_115200 & 0xff));
- write32((uart_base + UART_IER_DLAB), (UART_RATE_115200 >> 8));
- /* 8-bit and no parity */
- write32((uart_base + UART_LCR), LCR_WD_SIZE_8);
- /* enable and clear RX/TX FIFO */
- write32((uart_base + UART_IIR_FCR),
- (FCR_TX_CLR + FCR_RX_CLR + FCR_EN_FIFO));
-}
-
-/* Accessors. */
-
-static uint32_t get_wakeup_vector(void)
-{
- return read32(pmc_ctlr_scratch41_ptr);
-}
-
-static unsigned get_osc_freq(void)
-{
- return (read32(clk_rst_osc_ctrl_ptr) & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
-}
-
-
-/* Jtag configuration. */
-
-static void enable_jtag(void)
-{
- write32(misc_pp_config_ctl_ptr, PP_CONFIG_CTL_JTAG);
-}
-
-/* Clock configuration. */
-
-static void config_oscillator(void)
-{
- // Read oscillator drive strength from OSC_EDPD_OVER.XOFS and copy
- // to OSC_CTRL.XOFS and set XOE.
- uint32_t xofs = (read32(pmc_ctlr_osc_edpd_over_ptr) &
- PMC_XOFS_MASK) >> PMC_XOFS_SHIFT;
-
- uint32_t osc_ctrl = read32(clk_rst_osc_ctrl_ptr);
- osc_ctrl &= ~OSC_XOFS_MASK;
- osc_ctrl |= (xofs << OSC_XOFS_SHIFT);
- osc_ctrl |= OSC_XOE;
- write32(clk_rst_osc_ctrl_ptr, osc_ctrl);
-}
-
-static void config_pllu(void)
-{
- // Figure out what parameters to use for PLLU.
- uint32_t divm, divn, cpcon, lfcon;
- switch (get_osc_freq()) {
- case OSC_FREQ_12:
- case OSC_FREQ_48:
- divm = 0x0c;
- divn = 0x3c0;
- cpcon = 0x0c;
- lfcon = 0x02;
- break;
- case OSC_FREQ_16P8:
- divm = 0x07;
- divn = 0x190;
- cpcon = 0x05;
- lfcon = 0x02;
- break;
- case OSC_FREQ_19P2:
- case OSC_FREQ_38P4:
- divm = 0x04;
- divn = 0xc8;
- cpcon = 0x03;
- lfcon = 0x02;
- break;
- case OSC_FREQ_26:
- divm = 0x1a;
- divn = 0x3c0;
- cpcon = 0x0c;
- lfcon = 0x02;
- break;
- default:
- // Map anything that's not recognized to 13MHz.
- divm = 0x0d;
- divn = 0x3c0;
- cpcon = 0x0c;
- lfcon = 0x02;
- }
-
- // Configure PLLU.
- uint32_t base = PLLU_BYPASS | PLLU_OVERRIDE |
- (divn << PLLU_DIVN_SHIFT) | (divm << PLLU_DIVM_SHIFT);
- write32(clk_rst_pllu_base_ptr, base);
- uint32_t misc = (cpcon << PLLU_CPCON_SHIFT) |
- (lfcon << PLLU_LFCON_SHIFT);
- write32(clk_rst_pllu_misc_ptr, misc);
-
- // Enable PLLU.
- base &= ~PLLU_BYPASS;
- base |= PLLU_ENABLE;
- write32(clk_rst_pllu_base_ptr, base);
- misc |= PLLU_LOCK_ENABLE;
- write32(clk_rst_pllu_misc_ptr, misc);
-}
-
-static void enable_cpu_clocks(void)
-{
- // Enable the CPU complex clock.
- write32(clk_rst_clk_enb_l_set_ptr, CLK_ENB_CPU);
- write32(clk_rst_clk_enb_v_set_ptr, CLK_ENB_CPUG | CLK_ENB_CPULP);
-}
-
-
-
-/* Function unit configuration. */
-
-static void config_core_sight(void)
-{
- // Enable the CoreSight clock.
- write32(clk_rst_clk_out_enb_u_set_ptr, CLK_ENB_CSITE);
-
- /*
- * De-assert CoreSight reset.
- * NOTE: We're leaving the CoreSight clock on the oscillator for
- * now. It will be restored to its original clock source
- * when the CPU-side restoration code runs.
- */
- write32(clk_rst_rst_dev_u_clr_ptr, SWR_CSITE_RST);
-}
-
-
-/* Resets. */
-
-static void clear_cpu_resets(void)
-{
- /* Hold CPU1 in reset */
- setbits32(SET_CXRESET1, clk_rst_rst_cpulp_cmplx_set_ptr);
-
- write32(clk_rst_rst_cpug_cmplx_clr_ptr,
- CLR_NONCPURESET | CLR_L2RESET | CLR_PRESETDBG);
-
- write32(clk_rst_rst_cpug_cmplx_clr_ptr,
- CLR_CPURESET0 | CLR_DBGRESET0 | CLR_CORERESET0 | CLR_CXRESET0);
-}
-
-
-
-/* RAM repair */
-
-void ram_repair(void)
-{
- // Request Cluster0 RAM repair.
- setbits32(RAM_REPAIR_REQ, flow_ctlr_ram_repair_ptr);
- // Poll for Cluster0 RAM repair status.
- while (!(read32(flow_ctlr_ram_repair_ptr) & RAM_REPAIR_STS))
- ;
-
- // Request Cluster1 RAM repair.
- setbits32(RAM_REPAIR_REQ, flow_ctlr_ram_repair_cluster1_ptr);
- // Poll for Cluster1 RAM repair status.
- while (!(read32(flow_ctlr_ram_repair_cluster1_ptr) & RAM_REPAIR_STS))
- ;
-}
-
-
-/* Power. */
-
-static void power_on_partition(unsigned id)
-{
- uint32_t bit = 0x1 << id;
- if (!(read32(pmc_ctlr_pwrgate_status_ptr) & bit)) {
- // Partition is not on. Turn it on.
- write32(pmc_ctlr_pwrgate_toggle_ptr, id | PWRGATE_TOGGLE_START);
-
- // Wait until the partition is powerd on.
- while (!(read32(pmc_ctlr_pwrgate_status_ptr) & bit))
- ;
-
- // Wait until clamp is off.
- while (read32(pmc_ctlr_clamp_status_ptr) & bit)
- ;
- }
-}
-
-static void power_on_main_cpu(void)
-{
- /*
- * Reprogram PMC_CPUPWRGOOD_TIMER register:
- *
- * XXX This is a fragile assumption. XXX
- * The kernel prepares PMC_CPUPWRGOOD_TIMER based on a 32768Hz clock.
- * Note that PMC_CPUPWRGOOD_TIMER is running at pclk.
- *
- * We need to reprogram PMC_CPUPWRGOOD_TIMER based on the current pclk
- * which is at 204Mhz (pclk = sclk = pllp_out2) after BootROM. Multiply
- * PMC_CPUPWRGOOD_TIMER by 204M / 32K.
- *
- * Save the original PMC_CPUPWRGOOD_TIMER register which we need to
- * restore after the CPU is powered up.
- */
- uint32_t orig_timer = read32(pmc_ctlr_cpupwrgood_timer_ptr);
-
- write32(pmc_ctlr_cpupwrgood_timer_ptr,
- orig_timer * (204000000 / 32768));
-
- power_on_partition(PARTID_CRAIL);
- power_on_partition(PARTID_C0NC);
- power_on_partition(PARTID_CE0);
-
- // Restore the original PMC_CPUPWRGOOD_TIMER.
- write32(pmc_ctlr_cpupwrgood_timer_ptr, orig_timer);
-}
-
-
-static void aarch64_trampoline(void)
-{
- uint32_t val = 3; /* bit1: to warm reset; bit0: AARCH64*/
-
- asm volatile ("mcr p15, 0, %0, c12, c0, 2" : : "r" (val));
-
- /* unreachable */
- halt();
-}
-
-
-/* Entry point. */
-
-void lp0_resume(void)
-{
- // If not on the AVP, reset.
- if (read32(up_tag_ptr) != UP_TAG_AVP)
- reset();
-
- // Enable JTAG
- enable_jtag();
-
- config_oscillator();
-
- // Program SUPER_CCLK_DIVIDER.
- write32(clk_rst_super_cclk_div_ptr, SUPER_CDIV_ENB);
-
- config_core_sight();
-
- enable_uart();
-
- config_pllu();
-
- /*
- * Set the CPU reset vector.
- *
- * T132 always resets to AARCH32 and SW needs to write RMR_EL3
- * to bootstrap into AARCH64.
- */
- write32(pmc_ctlr_secure_scratch34_ptr, get_wakeup_vector());
- write32(pmc_ctlr_secure_scratch35_ptr, 0);
- write32(evp_cpu_reset_ptr, (uint32_t)aarch64_trampoline);
-
- // Select CPU complex clock source.
- write32(clk_rst_cclk_burst_policy_ptr, CCLK_PLLP_BURST_POLICY);
-
- // Disable PLLX since it isn't used as CPU clock source.
- clrbits32(PLLX_ENABLE, clk_rst_pllx_base_ptr);
-
- // Set CAR2PMC_CPU_ACK_WIDTH to 408.
- uint32_t ack_width = read32(clk_rst_cpu_softrst_ctrl2_ptr);
- ack_width &= ~CAR2PMC_CPU_ACK_WIDTH_MASK;
- ack_width |= 408 << CAR2PMC_CPU_ACK_WIDTH_SHIFT;
- write32(clk_rst_cpu_softrst_ctrl2_ptr, ack_width);
-
- // Disable VPR.
- write32(mc_video_protect_size_mb_ptr, 0);
- write32(mc_video_protect_reg_ctrl_ptr,
- VIDEO_PROTECT_WRITE_ACCESS_DISABLE);
-
- enable_cpu_clocks();
-
- power_on_main_cpu();
-
- // Perform RAM repair after CPU is powered on.
- ram_repair();
-
- clear_cpu_resets();
-
- // Halt the AVP.
- while (1)
- write32(flow_ctlr_halt_cop_events_ptr,
- FLOW_MODE_STOP | EVENT_JTAG);
-}
-
-
-
-/* Header. */
-
-extern uint8_t blob_data;
-extern uint8_t blob_data_size;
-extern uint8_t blob_total_size;
-
-struct lp0_header {
- uint32_t length_insecure; // Insecure total length.
- uint32_t reserved[3];
- uint8_t rsa_modulus[256]; // RSA key modulus.
- uint8_t aes_signature[16]; // AES signature.
- uint8_t rsa_signature[256]; // RSA-PSS signature.
- uint8_t random_aes_block[16]; // Random data, may be zero.
- uint32_t length_secure; // Secure total length.
- uint32_t destination; // Where to load the blob in iRAM.
- uint32_t entry_point; // Entry point for the blob.
- uint32_t code_length; // Length of just the data.
-} __attribute__((packed));
-
-struct lp0_header header __attribute__((section(".header"))) =
-{
- .length_insecure = (uintptr_t)&blob_total_size,
- .length_secure = (uintptr_t)&blob_total_size,
- .destination = (uintptr_t)&blob_data,
- .entry_point = (uintptr_t)&lp0_resume,
- .code_length = (uintptr_t)&blob_data_size
-};