Merge "mbedtls: use #include <...> instead of "..."" into integration
diff --git a/bl31/aarch64/crash_reporting.S b/bl31/aarch64/crash_reporting.S
index 2c41029..f2c1296 100644
--- a/bl31/aarch64/crash_reporting.S
+++ b/bl31/aarch64/crash_reporting.S
@@ -62,14 +62,6 @@
.asciz "Unhandled Interrupt Exception in EL3.\nx30"
/*
- * Helper function to print newline to console.
- */
-func print_newline
- mov x0, '\n'
- b plat_crash_console_putc
-endfunc print_newline
-
- /*
* Helper function to print from crash buf.
* The print loop is controlled by the buf size and
* ascii reg name list which is passed in x6. The
@@ -101,7 +93,7 @@
bl print_alignment
ldr x4, [x7], #REGSZ
bl asm_print_hex
- bl print_newline
+ bl asm_print_newline
b test_size_list
exit_size_print:
mov x30, sp
@@ -253,7 +245,7 @@
/* report x30 first from the crash buf */
ldr x4, [x0, #REGSZ * 7]
bl asm_print_hex
- bl print_newline
+ bl asm_print_newline
/* Load the crash buf address */
mrs x0, tpidr_el3
/* Now mov x7 into crash buf */
diff --git a/common/aarch64/debug.S b/common/aarch64/debug.S
index ac47cbe..e6e3298 100644
--- a/common/aarch64/debug.S
+++ b/common/aarch64/debug.S
@@ -11,6 +11,7 @@
.globl asm_print_str
.globl asm_print_hex
.globl asm_print_hex_bits
+ .globl asm_print_newline
.globl asm_assert
.globl do_panic
@@ -130,6 +131,15 @@
ret x3
endfunc asm_print_hex
+/*
+ * Helper function to print newline to console
+ * Clobber: x0
+ */
+func asm_print_newline
+ mov x0, '\n'
+ b plat_crash_console_putc
+endfunc asm_print_newline
+
/***********************************************************
* The common implementation of do_panic for all BL stages
***********************************************************/
diff --git a/docs/global_substitutions.txt b/docs/global_substitutions.txt
index 242e62c..fdca9c3 100644
--- a/docs/global_substitutions.txt
+++ b/docs/global_substitutions.txt
@@ -38,6 +38,7 @@
.. |SMCCC| replace:: :term:`SMCCC`
.. |SoC| replace:: :term:`SoC`
.. |SP| replace:: :term:`SP`
+.. |SPCI| replace:: :term:`SPCI`
.. |SPD| replace:: :term:`SPD`
.. |SPM| replace:: :term:`SPM`
.. |SVE| replace:: :term:`SVE`
diff --git a/docs/glossary.rst b/docs/glossary.rst
index afe0acf..45caf46 100644
--- a/docs/glossary.rst
+++ b/docs/glossary.rst
@@ -129,6 +129,9 @@
SP
Secure Partition
+ SPCI
+ Secure Partition Client Interface
+
SPD
Secure Payload Dispatcher
diff --git a/drivers/st/bsec/bsec.c b/drivers/st/bsec/bsec.c
index aaecf1f..b3c15ee 100644
--- a/drivers/st/bsec/bsec.c
+++ b/drivers/st/bsec/bsec.c
@@ -32,20 +32,14 @@
static void bsec_lock(void)
{
- const uint32_t mask = SCTLR_M_BIT | SCTLR_C_BIT;
-
- /* Lock is currently required only when MMU and cache are enabled */
- if ((read_sctlr() & mask) == mask) {
+ if (stm32mp_lock_available()) {
spin_lock(&bsec_spinlock);
}
}
static void bsec_unlock(void)
{
- const uint32_t mask = SCTLR_M_BIT | SCTLR_C_BIT;
-
- /* Unlock is required only when MMU and cache are enabled */
- if ((read_sctlr() & mask) == mask) {
+ if (stm32mp_lock_available()) {
spin_unlock(&bsec_spinlock);
}
}
diff --git a/drivers/st/clk/stm32mp1_clk.c b/drivers/st/clk/stm32mp1_clk.c
index 76e6e6f..0cc87cc 100644
--- a/drivers/st/clk/stm32mp1_clk.c
+++ b/drivers/st/clk/stm32mp1_clk.c
@@ -541,29 +541,19 @@
return &stm32mp1_clk_pll[idx];
}
-static int stm32mp1_lock_available(void)
-{
- /* The spinlocks are used only when MMU is enabled */
- return (read_sctlr() & SCTLR_M_BIT) && (read_sctlr() & SCTLR_C_BIT);
-}
-
static void stm32mp1_clk_lock(struct spinlock *lock)
{
- if (stm32mp1_lock_available() == 0U) {
- return;
+ if (stm32mp_lock_available()) {
+ /* Assume interrupts are masked */
+ spin_lock(lock);
}
-
- /* Assume interrupts are masked */
- spin_lock(lock);
}
static void stm32mp1_clk_unlock(struct spinlock *lock)
{
- if (stm32mp1_lock_available() == 0U) {
- return;
+ if (stm32mp_lock_available()) {
+ spin_unlock(lock);
}
-
- spin_unlock(lock);
}
bool stm32mp1_rcc_is_secure(void)
@@ -1912,9 +1902,18 @@
}
}
+static void sync_earlyboot_clocks_state(void)
+{
+ if (!stm32mp_is_single_core()) {
+ stm32mp1_clk_enable_secure(RTCAPB);
+ }
+}
+
int stm32mp1_clk_probe(void)
{
stm32mp1_osc_init();
+ sync_earlyboot_clocks_state();
+
return 0;
}
diff --git a/drivers/st/ddr/stm32mp1_ddr.c b/drivers/st/ddr/stm32mp1_ddr.c
index caf8eef..7d89d02 100644
--- a/drivers/st/ddr/stm32mp1_ddr.c
+++ b/drivers/st/ddr/stm32mp1_ddr.c
@@ -717,6 +717,8 @@
ret = board_ddr_power_init(STM32MP_DDR3);
} else if ((config->c_reg.mstr & DDRCTRL_MSTR_LPDDR2) != 0U) {
ret = board_ddr_power_init(STM32MP_LPDDR2);
+ } else if ((config->c_reg.mstr & DDRCTRL_MSTR_LPDDR3) != 0U) {
+ ret = board_ddr_power_init(STM32MP_LPDDR3);
} else {
ERROR("DDR type not supported\n");
}
diff --git a/drivers/st/io/io_stm32image.c b/drivers/st/io/io_stm32image.c
index dc2977d..971dcce 100644
--- a/drivers/st/io/io_stm32image.c
+++ b/drivers/st/io/io_stm32image.c
@@ -242,40 +242,6 @@
return 0;
}
-static int check_header(boot_api_image_header_t *header, uintptr_t buffer)
-{
- uint32_t i;
- uint32_t img_checksum = 0;
-
- /*
- * Check header/payload validity:
- * - Header magic
- * - Header version
- * - Payload checksum
- */
- if (header->magic != BOOT_API_IMAGE_HEADER_MAGIC_NB) {
- ERROR("Header magic\n");
- return -EINVAL;
- }
-
- if (header->header_version != BOOT_API_HEADER_VERSION) {
- ERROR("Header version\n");
- return -EINVAL;
- }
-
- for (i = 0; i < header->image_length; i++) {
- img_checksum += *(uint8_t *)(buffer + i);
- }
-
- if (header->payload_checksum != img_checksum) {
- ERROR("Checksum: 0x%x (awaited: 0x%x)\n", img_checksum,
- header->payload_checksum);
- return -EINVAL;
- }
-
- return 0;
-}
-
/* Read data from a partition */
static int stm32image_partition_read(io_entity_t *entity, uintptr_t buffer,
size_t length, size_t *length_read)
@@ -368,7 +334,7 @@
continue;
}
- result = check_header(header, buffer);
+ result = stm32mp_check_header(header, buffer);
if (result != 0) {
ERROR("Header check failed\n");
*length_read = 0;
diff --git a/drivers/st/iwdg/stm32_iwdg.c b/drivers/st/iwdg/stm32_iwdg.c
new file mode 100644
index 0000000..ea6fbb2
--- /dev/null
+++ b/drivers/st/iwdg/stm32_iwdg.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2017-2019, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <string.h>
+
+#include <libfdt.h>
+
+#include <platform_def.h>
+
+#include <arch_helpers.h>
+#include <common/debug.h>
+#include <drivers/arm/gicv2.h>
+#include <drivers/delay_timer.h>
+#include <drivers/st/stm32_iwdg.h>
+#include <drivers/st/stm32mp_clkfunc.h>
+#include <lib/mmio.h>
+#include <lib/utils.h>
+#include <plat/common/platform.h>
+
+/* IWDG registers offsets */
+#define IWDG_KR_OFFSET 0x00U
+
+/* Registers values */
+#define IWDG_KR_RELOAD_KEY 0xAAAA
+
+struct stm32_iwdg_instance {
+ uintptr_t base;
+ unsigned long clock;
+ uint8_t flags;
+ int num_irq;
+};
+
+static struct stm32_iwdg_instance stm32_iwdg[IWDG_MAX_INSTANCE];
+
+static int stm32_iwdg_get_dt_node(struct dt_node_info *info, int offset)
+{
+ int node;
+
+ node = dt_get_node(info, offset, DT_IWDG_COMPAT);
+ if (node < 0) {
+ if (offset == -1) {
+ VERBOSE("%s: No IDWG found\n", __func__);
+ }
+ return -FDT_ERR_NOTFOUND;
+ }
+
+ return node;
+}
+
+void stm32_iwdg_refresh(void)
+{
+ uint8_t i;
+
+ for (i = 0U; i < IWDG_MAX_INSTANCE; i++) {
+ struct stm32_iwdg_instance *iwdg = &stm32_iwdg[i];
+
+ /* 0x00000000 is not a valid address for IWDG peripherals */
+ if (iwdg->base != 0U) {
+ stm32mp_clk_enable(iwdg->clock);
+
+ mmio_write_32(iwdg->base + IWDG_KR_OFFSET,
+ IWDG_KR_RELOAD_KEY);
+
+ stm32mp_clk_disable(iwdg->clock);
+ }
+ }
+}
+
+int stm32_iwdg_init(void)
+{
+ int node = -1;
+ struct dt_node_info dt_info;
+ void *fdt;
+ uint32_t __unused count = 0;
+
+ if (fdt_get_address(&fdt) == 0) {
+ panic();
+ }
+
+ for (node = stm32_iwdg_get_dt_node(&dt_info, node);
+ node != -FDT_ERR_NOTFOUND;
+ node = stm32_iwdg_get_dt_node(&dt_info, node)) {
+ struct stm32_iwdg_instance *iwdg;
+ uint32_t hw_init;
+ uint32_t idx;
+
+ count++;
+
+ idx = stm32_iwdg_get_instance(dt_info.base);
+ iwdg = &stm32_iwdg[idx];
+ iwdg->base = dt_info.base;
+ iwdg->clock = (unsigned long)dt_info.clock;
+
+ /* DT can specify low power cases */
+ if (fdt_getprop(fdt, node, "stm32,enable-on-stop", NULL) ==
+ NULL) {
+ iwdg->flags |= IWDG_DISABLE_ON_STOP;
+ }
+
+ if (fdt_getprop(fdt, node, "stm32,enable-on-standby", NULL) ==
+ NULL) {
+ iwdg->flags |= IWDG_DISABLE_ON_STANDBY;
+ }
+
+ /* Explicit list of supported bit flags */
+ hw_init = stm32_iwdg_get_otp_config(idx);
+
+ if ((hw_init & IWDG_HW_ENABLED) != 0) {
+ if (dt_info.status == DT_DISABLED) {
+ ERROR("OTP enabled but iwdg%u DT-disabled\n",
+ idx + 1U);
+ panic();
+ }
+ iwdg->flags |= IWDG_HW_ENABLED;
+ }
+
+ if (dt_info.status == DT_DISABLED) {
+ zeromem((void *)iwdg,
+ sizeof(struct stm32_iwdg_instance));
+ continue;
+ }
+
+ if ((hw_init & IWDG_DISABLE_ON_STOP) != 0) {
+ iwdg->flags |= IWDG_DISABLE_ON_STOP;
+ }
+
+ if ((hw_init & IWDG_DISABLE_ON_STANDBY) != 0) {
+ iwdg->flags |= IWDG_DISABLE_ON_STANDBY;
+ }
+
+ VERBOSE("IWDG%u found, %ssecure\n", idx + 1U,
+ ((dt_info.status & DT_NON_SECURE) != 0) ?
+ "non-" : "");
+
+#if defined(IMAGE_BL2)
+ if (stm32_iwdg_shadow_update(idx, iwdg->flags) != BSEC_OK) {
+ return -1;
+ }
+#endif
+ }
+
+ VERBOSE("%u IWDG instance%s found\n", count, (count > 1U) ? "s" : "");
+
+ return 0;
+}
diff --git a/drivers/st/mmc/stm32_sdmmc2.c b/drivers/st/mmc/stm32_sdmmc2.c
index f453ce9..24e6efe 100644
--- a/drivers/st/mmc/stm32_sdmmc2.c
+++ b/drivers/st/mmc/stm32_sdmmc2.c
@@ -71,20 +71,14 @@
#define SDMMC_DCTRLR_DTEN BIT(0)
#define SDMMC_DCTRLR_DTDIR BIT(1)
#define SDMMC_DCTRLR_DTMODE GENMASK(3, 2)
-#define SDMMC_DCTRLR_DBLOCKSIZE_0 BIT(4)
-#define SDMMC_DCTRLR_DBLOCKSIZE_1 BIT(5)
-#define SDMMC_DCTRLR_DBLOCKSIZE_3 BIT(7)
#define SDMMC_DCTRLR_DBLOCKSIZE GENMASK(7, 4)
+#define SDMMC_DCTRLR_DBLOCKSIZE_SHIFT 4
#define SDMMC_DCTRLR_FIFORST BIT(13)
#define SDMMC_DCTRLR_CLEAR_MASK (SDMMC_DCTRLR_DTEN | \
SDMMC_DCTRLR_DTDIR | \
SDMMC_DCTRLR_DTMODE | \
SDMMC_DCTRLR_DBLOCKSIZE)
-#define SDMMC_DBLOCKSIZE_8 (SDMMC_DCTRLR_DBLOCKSIZE_0 | \
- SDMMC_DCTRLR_DBLOCKSIZE_1)
-#define SDMMC_DBLOCKSIZE_512 (SDMMC_DCTRLR_DBLOCKSIZE_0 | \
- SDMMC_DCTRLR_DBLOCKSIZE_3)
/* SDMMC status register */
#define SDMMC_STAR_CCRCFAIL BIT(0)
@@ -152,10 +146,14 @@
static void stm32_sdmmc2_init(void)
{
uint32_t clock_div;
+ uint32_t freq = STM32MP_MMC_INIT_FREQ;
uintptr_t base = sdmmc2_params.reg_base;
- clock_div = div_round_up(sdmmc2_params.clk_rate,
- STM32MP_MMC_INIT_FREQ * 2);
+ if (sdmmc2_params.max_freq != 0U) {
+ freq = MIN(sdmmc2_params.max_freq, freq);
+ }
+
+ clock_div = div_round_up(sdmmc2_params.clk_rate, freq * 2U);
mmio_write_32(base + SDMMC_CLKCR, SDMMC_CLKCR_HWFC_EN | clock_div |
sdmmc2_params.negedge |
@@ -406,7 +404,7 @@
{
uintptr_t base = sdmmc2_params.reg_base;
uint32_t bus_cfg = 0;
- uint32_t clock_div, max_freq;
+ uint32_t clock_div, max_freq, freq;
uint32_t clk_rate = sdmmc2_params.clk_rate;
uint32_t max_bus_freq = sdmmc2_params.device_info->max_bus_freq;
@@ -438,7 +436,13 @@
}
}
- clock_div = div_round_up(clk_rate, max_freq * 2);
+ if (sdmmc2_params.max_freq != 0U) {
+ freq = MIN(sdmmc2_params.max_freq, max_freq);
+ } else {
+ freq = max_freq;
+ }
+
+ clock_div = div_round_up(clk_rate, freq * 2U);
mmio_write_32(base + SDMMC_CLKCR,
SDMMC_CLKCR_HWFC_EN | clock_div | bus_cfg |
@@ -454,11 +458,14 @@
int ret;
uintptr_t base = sdmmc2_params.reg_base;
uint32_t data_ctrl = SDMMC_DCTRLR_DTDIR;
+ uint32_t arg_size;
- if (size == 8U) {
- data_ctrl |= SDMMC_DBLOCKSIZE_8;
+ assert(size != 0U);
+
+ if (size > MMC_BLOCK_SIZE) {
+ arg_size = MMC_BLOCK_SIZE;
} else {
- data_ctrl |= SDMMC_DBLOCKSIZE_512;
+ arg_size = size;
}
sdmmc2_params.use_dma = plat_sdmmc2_use_dma(base, buf);
@@ -477,12 +484,7 @@
zeromem(&cmd, sizeof(struct mmc_cmd));
cmd.cmd_idx = MMC_CMD(16);
- if (size > MMC_BLOCK_SIZE) {
- cmd.cmd_arg = MMC_BLOCK_SIZE;
- } else {
- cmd.cmd_arg = size;
- }
-
+ cmd.cmd_arg = arg_size;
cmd.resp_type = MMC_RESPONSE_R1;
ret = stm32_sdmmc2_send_cmd(&cmd);
@@ -504,6 +506,8 @@
flush_dcache_range(buf, size);
}
+ data_ctrl |= __builtin_ctz(arg_size) << SDMMC_DCTRLR_DBLOCKSIZE_SHIFT;
+
mmio_clrsetbits_32(base + SDMMC_DCTRLR,
SDMMC_DCTRLR_CLEAR_MASK,
data_ctrl);
@@ -692,6 +696,11 @@
}
}
+ cuint = fdt_getprop(fdt, sdmmc_node, "max-frequency", NULL);
+ if (cuint != NULL) {
+ sdmmc2_params.max_freq = fdt32_to_cpu(*cuint);
+ }
+
return 0;
}
diff --git a/drivers/st/pmic/stm32mp_pmic.c b/drivers/st/pmic/stm32mp_pmic.c
index 6fe51f4..9e9dddc 100644
--- a/drivers/st/pmic/stm32mp_pmic.c
+++ b/drivers/st/pmic/stm32mp_pmic.c
@@ -299,6 +299,7 @@
break;
case STM32MP_LPDDR2:
+ case STM32MP_LPDDR3:
/*
* Set LDO3 to 1.8V
* Set LDO3 to bypass mode if BUCK3 = 1.8V
diff --git a/include/drivers/st/stm32_iwdg.h b/include/drivers/st/stm32_iwdg.h
new file mode 100644
index 0000000..bad2524
--- /dev/null
+++ b/include/drivers/st/stm32_iwdg.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2018-2019, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STM32_IWDG_H
+#define STM32_IWDG_H
+
+#include <stdint.h>
+
+#define IWDG_HW_ENABLED BIT(0)
+#define IWDG_DISABLE_ON_STOP BIT(1)
+#define IWDG_DISABLE_ON_STANDBY BIT(2)
+
+int stm32_iwdg_init(void);
+void stm32_iwdg_refresh(void);
+
+#endif /* STM32_IWDG_H */
diff --git a/include/drivers/st/stm32_sdmmc2.h b/include/drivers/st/stm32_sdmmc2.h
index aa9472c..4853208 100644
--- a/include/drivers/st/stm32_sdmmc2.h
+++ b/include/drivers/st/stm32_sdmmc2.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2017-2018, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2017-2019, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -22,6 +22,7 @@
unsigned int dirpol;
unsigned int clock_id;
unsigned int reset_id;
+ unsigned int max_freq;
bool use_dma;
};
diff --git a/plat/intel/soc/stratix10/bl2_plat_setup.c b/plat/intel/soc/stratix10/bl2_plat_setup.c
index 8e8b582..f24bbde 100644
--- a/plat/intel/soc/stratix10/bl2_plat_setup.c
+++ b/plat/intel/soc/stratix10/bl2_plat_setup.c
@@ -73,9 +73,9 @@
deassert_peripheral_reset();
config_hps_hs_before_warm_reset();
- watchdog_init(get_wdt_clk(&reverse_handoff_ptr));
+ watchdog_init(get_wdt_clk());
- console_16550_register(PLAT_UART0_BASE, PLAT_UART_CLOCK, PLAT_BAUDRATE,
+ console_16550_register(PLAT_UART0_BASE, get_uart_clk(), PLAT_BAUDRATE,
&console);
socfpga_delay_timer_init();
@@ -107,7 +107,7 @@
enable_mmu_el3(0);
- dw_mmc_params_t params = EMMC_INIT_PARAMS(0x100000);
+ dw_mmc_params_t params = EMMC_INIT_PARAMS(0x100000, get_mmc_clk());
info.mmc_dev_type = MMC_IS_SD;
info.ocr_voltage = OCR_3_3_3_4 | OCR_3_2_3_3;
diff --git a/plat/intel/soc/stratix10/include/s10_clock_manager.h b/plat/intel/soc/stratix10/include/s10_clock_manager.h
index 99eb7a6..c800b9c 100644
--- a/plat/intel/soc/stratix10/include/s10_clock_manager.h
+++ b/plat/intel/soc/stratix10/include/s10_clock_manager.h
@@ -50,10 +50,13 @@
#define ALT_CLKMGR_MAINPLL_VCOCALIB_HSCNT_SET(x) (((x) << 0) & 0x000000ff)
#define ALT_CLKMGR_MAINPLL_VCOCALIB_MSCNT_SET(x) (((x) << 9) & 0x0001fe00)
-#define ALT_CLKMGR_MAINPLL_PLLGLOB_PSRC(x) (((x) & 0x00030000) >> 16)
-#define ALT_CLKMGR_MAINPLL_PLLGLOB_PSRC_EOSC1 0x0
-#define ALT_CLKMGR_MAINPLL_PLLGLOB_PSRC_INTOSC 0x1
-#define ALT_CLKMGR_MAINPLL_PLLGLOB_PSRC_F2S 0x2
+#define ALT_CLKMGR_PSRC(x) (((x) & 0x00030000) >> 16)
+#define ALT_CLKMGR_SRC_MAIN 0
+#define ALT_CLKMGR_SRC_PER 1
+
+#define ALT_CLKMGR_PLLGLOB_PSRC_EOSC1 0x0
+#define ALT_CLKMGR_PLLGLOB_PSRC_INTOSC 0x1
+#define ALT_CLKMGR_PLLGLOB_PSRC_F2S 0x2
#define ALT_CLKMGR_PERPLL 0xffd100a4
#define ALT_CLKMGR_PERPLL_EN 0x0
@@ -83,14 +86,11 @@
#define ALT_CLKMGR_PERPLL_VCOCALIB_MSCNT_SET(x) (((x) << 9) & 0x0001fe00)
#define ALT_CLKMGR_PERPLL_VCOCALIB 0x58
-
-typedef struct {
- uint32_t clk_freq_of_eosc1;
- uint32_t clk_freq_of_f2h_free;
- uint32_t clk_freq_of_cb_intosc_ls;
-} CLOCK_SOURCE_CONFIG;
+#define ALT_CLKMGR_INTOSC_HZ 460000000
void config_clkmgr_handoff(handoff *hoff_ptr);
-int get_wdt_clk(handoff *hoff_ptr);
+uint32_t get_wdt_clk(void);
+uint32_t get_uart_clk(void);
+uint32_t get_mmc_clk(void);
#endif
diff --git a/plat/intel/soc/stratix10/include/s10_system_manager.h b/plat/intel/soc/stratix10/include/s10_system_manager.h
index 4500c6f..a67d689 100644
--- a/plat/intel/soc/stratix10/include/s10_system_manager.h
+++ b/plat/intel/soc/stratix10/include/s10_system_manager.h
@@ -62,6 +62,9 @@
#define S10_SYSMGR_CORE(x) (0xffd12000 + (x))
#define SYSMGR_MMC 0x28
#define SYSMGR_MMC_DRVSEL(x) (((x) & 0x7) << 0)
+#define SYSMGR_BOOT_SCRATCH_COLD_0 0x200
+#define SYSMGR_BOOT_SCRATCH_COLD_1 0x204
+#define SYSMGR_BOOT_SCRATCH_COLD_2 0x208
#define DISABLE_L4_FIREWALL (BIT(0) | BIT(16) | BIT(24))
diff --git a/plat/intel/soc/stratix10/include/stratix10_private.h b/plat/intel/soc/stratix10/include/stratix10_private.h
index f437202..85aff3a 100644
--- a/plat/intel/soc/stratix10/include/stratix10_private.h
+++ b/plat/intel/soc/stratix10/include/stratix10_private.h
@@ -10,9 +10,9 @@
#define S10_MMC_REG_BASE 0xff808000
#define EMMC_DESC_SIZE (1<<20)
-#define EMMC_INIT_PARAMS(base) \
+#define EMMC_INIT_PARAMS(base, clk) \
{ .bus_width = MMC_BUS_WIDTH_4, \
- .clk_rate = 50000000, \
+ .clk_rate = (clk), \
.desc_base = (base), \
.desc_size = EMMC_DESC_SIZE, \
.flags = 0, \
diff --git a/plat/intel/soc/stratix10/soc/s10_clock_manager.c b/plat/intel/soc/stratix10/soc/s10_clock_manager.c
index b4d0573..ed65c2b 100644
--- a/plat/intel/soc/stratix10/soc/s10_clock_manager.c
+++ b/plat/intel/soc/stratix10/soc/s10_clock_manager.c
@@ -13,15 +13,8 @@
#include "s10_clock_manager.h"
#include "s10_handoff.h"
+#include "s10_system_manager.h"
-static const CLOCK_SOURCE_CONFIG clk_source = {
- /* clk_freq_of_eosc1 */
- (uint32_t) 25000000,
- /* clk_freq_of_f2h_free */
- (uint32_t) 460000000,
- /* clk_freq_of_cb_intosc_ls */
- (uint32_t) 50000000,
-};
void wait_pll_lock(void)
{
@@ -195,24 +188,32 @@
mmio_write_32(ALT_CLKMGR + ALT_CLKMGR_INTRCLR,
ALT_CLKMGR_INTRCLR_MAINLOCKLOST_SET_MSK |
ALT_CLKMGR_INTRCLR_PERLOCKLOST_SET_MSK);
+
+ /* Pass clock source frequency into scratch register */
+ mmio_write_32(S10_SYSMGR_CORE(SYSMGR_BOOT_SCRATCH_COLD_1),
+ hoff_ptr->hps_osc_clk_h);
+ mmio_write_32(S10_SYSMGR_CORE(SYSMGR_BOOT_SCRATCH_COLD_2),
+ hoff_ptr->fpga_clk_hz);
+
}
-int get_wdt_clk(handoff *hoff_ptr)
+/* Extract reference clock from platform clock source */
+uint32_t get_ref_clk(uint32_t pllglob)
{
- int main_noc_base_clk, l3_main_free_clk, l4_sys_free_clk;
- int data32, mdiv, refclkdiv, ref_clk;
+ uint32_t data32, mdiv, refclkdiv, ref_clk;
+ uint32_t scr_reg;
- data32 = mmio_read_32(ALT_CLKMGR_MAINPLL + ALT_CLKMGR_MAINPLL_PLLGLOB);
-
- switch (ALT_CLKMGR_MAINPLL_PLLGLOB_PSRC(data32)) {
- case ALT_CLKMGR_MAINPLL_PLLGLOB_PSRC_EOSC1:
- ref_clk = clk_source.clk_freq_of_eosc1;
+ switch (ALT_CLKMGR_PSRC(pllglob)) {
+ case ALT_CLKMGR_PLLGLOB_PSRC_EOSC1:
+ scr_reg = S10_SYSMGR_CORE(SYSMGR_BOOT_SCRATCH_COLD_1);
+ ref_clk = mmio_read_32(scr_reg);
break;
- case ALT_CLKMGR_MAINPLL_PLLGLOB_PSRC_INTOSC:
- ref_clk = clk_source.clk_freq_of_cb_intosc_ls;
+ case ALT_CLKMGR_PLLGLOB_PSRC_INTOSC:
+ ref_clk = ALT_CLKMGR_INTOSC_HZ;
break;
- case ALT_CLKMGR_MAINPLL_PLLGLOB_PSRC_F2S:
- ref_clk = clk_source.clk_freq_of_f2h_free;
+ case ALT_CLKMGR_PLLGLOB_PSRC_F2S:
+ scr_reg = S10_SYSMGR_CORE(SYSMGR_BOOT_SCRATCH_COLD_2);
+ ref_clk = mmio_read_32(scr_reg);
break;
default:
ref_clk = 0;
@@ -220,14 +221,89 @@
break;
}
- refclkdiv = ALT_CLKMGR_MAINPLL_PLLGLOB_REFCLKDIV(data32);
+ refclkdiv = ALT_CLKMGR_MAINPLL_PLLGLOB_REFCLKDIV(pllglob);
data32 = mmio_read_32(ALT_CLKMGR_MAINPLL + ALT_CLKMGR_MAINPLL_FDBCK);
mdiv = ALT_CLKMGR_MAINPLL_FDBCK_MDIV(data32);
+
ref_clk = (ref_clk / refclkdiv) * (6 + mdiv);
- main_noc_base_clk = ref_clk / (hoff_ptr->main_pll_pllc1 & 0xff);
- l3_main_free_clk = main_noc_base_clk / (hoff_ptr->main_pll_nocclk + 1);
- l4_sys_free_clk = l3_main_free_clk / 4;
+ return ref_clk;
+}
- return l4_sys_free_clk;
+/* Calculate L3 interconnect main clock */
+uint32_t get_l3_clk(uint32_t ref_clk)
+{
+ uint32_t noc_base_clk, l3_clk, noc_clk, data32;
+ uint32_t pllc1_reg;
+
+ noc_clk = mmio_read_32(ALT_CLKMGR_MAINPLL + ALT_CLKMGR_MAINPLL_NOCCLK);
+
+ switch (ALT_CLKMGR_PSRC(noc_clk)) {
+ case ALT_CLKMGR_SRC_MAIN:
+ pllc1_reg = ALT_CLKMGR_MAINPLL + ALT_CLKMGR_MAINPLL_PLLC1;
+ break;
+ case ALT_CLKMGR_SRC_PER:
+ pllc1_reg = ALT_CLKMGR_PERPLL + ALT_CLKMGR_PERPLL_PLLC1;
+ break;
+ default:
+ pllc1_reg = 0;
+ assert(0);
+ break;
+ }
+
+ data32 = mmio_read_32(pllc1_reg);
+ noc_base_clk = ref_clk / (data32 & 0xff);
+ l3_clk = noc_base_clk / (noc_clk + 1);
+
+ return l3_clk;
+}
+
+/* Calculate clock frequency to be used for watchdog timer */
+uint32_t get_wdt_clk(void)
+{
+ uint32_t data32, ref_clk, l3_clk, l4_sys_clk;
+
+ data32 = mmio_read_32(ALT_CLKMGR_MAINPLL + ALT_CLKMGR_MAINPLL_PLLGLOB);
+ ref_clk = get_ref_clk(data32);
+
+ l3_clk = get_l3_clk(ref_clk);
+
+ l4_sys_clk = l3_clk / 4;
+
+ return l4_sys_clk;
+}
+
+/* Calculate clock frequency to be used for UART driver */
+uint32_t get_uart_clk(void)
+{
+ uint32_t data32, ref_clk, l3_clk, l4_sp_clk;
+
+ data32 = mmio_read_32(ALT_CLKMGR_PERPLL + ALT_CLKMGR_PERPLL_PLLGLOB);
+ ref_clk = get_ref_clk(data32);
+
+ l3_clk = get_l3_clk(ref_clk);
+
+ data32 = mmio_read_32(ALT_CLKMGR_MAINPLL + ALT_CLKMGR_MAINPLL_NOCDIV);
+ data32 = (data32 >> 16) & 0x3;
+ data32 = 1 << data32;
+
+ l4_sp_clk = (l3_clk / data32);
+
+ return l4_sp_clk;
+}
+
+/* Calculate clock frequency to be used for SDMMC driver */
+uint32_t get_mmc_clk(void)
+{
+ uint32_t data32, ref_clk, l3_clk, mmc_clk;
+
+ data32 = mmio_read_32(ALT_CLKMGR_PERPLL + ALT_CLKMGR_PERPLL_PLLGLOB);
+ ref_clk = get_ref_clk(data32);
+
+ l3_clk = get_l3_clk(ref_clk);
+
+ data32 = mmio_read_32(ALT_CLKMGR_MAINPLL + ALT_CLKMGR_MAINPLL_CNTR6CLK);
+ mmc_clk = (l3_clk / (data32 + 1)) / 4;
+
+ return mmc_clk;
}
diff --git a/plat/socionext/uniphier/uniphier_console.S b/plat/socionext/uniphier/uniphier_console.S
index 2c8dc8f..1113c6e 100644
--- a/plat/socionext/uniphier/uniphier_console.S
+++ b/plat/socionext/uniphier/uniphier_console.S
@@ -23,15 +23,9 @@
0: ldr w2, [x1, #UNIPHIER_UART_LSR]
tbz w2, #UNIPHIER_UART_LSR_THRE_BIT, 0b
- mov w2, w0
+ str w0, [x1, #UNIPHIER_UART_TX]
-1: str w2, [x1, #UNIPHIER_UART_TX]
-
- cmp w2, #'\n'
- b.ne 2f
- mov w2, #'\r' /* Append '\r' to '\n' */
- b 1b
-2: ret
+ ret
endfunc uniphier_console_putc
/*
diff --git a/plat/socionext/uniphier/uniphier_console_setup.c b/plat/socionext/uniphier/uniphier_console_setup.c
index 8185ec5..64ee797 100644
--- a/plat/socionext/uniphier/uniphier_console_setup.c
+++ b/plat/socionext/uniphier/uniphier_console_setup.c
@@ -32,7 +32,8 @@
#if DEBUG
CONSOLE_FLAG_RUNTIME |
#endif
- CONSOLE_FLAG_CRASH,
+ CONSOLE_FLAG_CRASH |
+ CONSOLE_FLAG_TRANSLATE_CRLF,
.putc = uniphier_console_putc,
.getc = uniphier_console_getc,
.flush = uniphier_console_flush,
diff --git a/plat/st/common/include/stm32mp_common.h b/plat/st/common/include/stm32mp_common.h
index 4bbc4db..e20308e 100644
--- a/plat/st/common/include/stm32mp_common.h
+++ b/plat/st/common/include/stm32mp_common.h
@@ -10,12 +10,16 @@
#include <stdbool.h>
+#include <platform_def.h>
+
#include <arch_helpers.h>
/* Functions to save and get boot context address given by ROM code */
void stm32mp_save_boot_ctx_address(uintptr_t address);
uintptr_t stm32mp_get_boot_ctx_address(void);
+bool stm32mp_is_single_core(void);
+
/* Return the base address of the DDR controller */
uintptr_t stm32mp_ddrctrl_base(void);
@@ -28,6 +32,20 @@
/* Return the base address of the RCC peripheral */
uintptr_t stm32mp_rcc_base(void);
+/* Check MMU status to allow spinlock use */
+bool stm32mp_lock_available(void);
+
+/* Get IWDG platform instance ID from peripheral IO memory base address */
+uint32_t stm32_iwdg_get_instance(uintptr_t base);
+
+/* Return bitflag mask for expected IWDG configuration from OTP content */
+uint32_t stm32_iwdg_get_otp_config(uint32_t iwdg_inst);
+
+#if defined(IMAGE_BL2)
+/* Update OTP shadow registers with IWDG configuration from device tree */
+uint32_t stm32_iwdg_shadow_update(uint32_t iwdg_inst, uint32_t flags);
+#endif
+
/*
* Platform util functions for the GPIO driver
* @bank: Target GPIO bank ID as per DT bindings
@@ -45,6 +63,12 @@
unsigned long stm32_get_gpio_bank_clock(unsigned int bank);
uint32_t stm32_get_gpio_bank_offset(unsigned int bank);
+/* Print CPU information */
+void stm32mp_print_cpuinfo(void);
+
+/* Print board information */
+void stm32mp_print_boardinfo(void);
+
/*
* Util for clock gating and to get clock rate for stm32 and platform drivers
* @id: Target clock ID, ID used in clock DT bindings
@@ -72,4 +96,12 @@
return read_cntpct_el0() > expire;
}
+/*
+ * Check that the STM32 header of a .stm32 binary image is valid
+ * @param header: pointer to the stm32 image header
+ * @param buffer: address of the binary image (payload)
+ * @return: 0 on success, negative value in case of error
+ */
+int stm32mp_check_header(boot_api_image_header_t *header, uintptr_t buffer);
+
#endif /* STM32MP_COMMON_H */
diff --git a/plat/st/common/stm32mp_common.c b/plat/st/common/stm32mp_common.c
index f95c788..afa87f4 100644
--- a/plat/st/common/stm32mp_common.c
+++ b/plat/st/common/stm32mp_common.c
@@ -5,6 +5,7 @@
*/
#include <assert.h>
+#include <errno.h>
#include <platform_def.h>
@@ -87,6 +88,14 @@
return rcc_base;
}
+bool stm32mp_lock_available(void)
+{
+ const uint32_t c_m_bits = SCTLR_M_BIT | SCTLR_C_BIT;
+
+ /* The spinlocks are used only when MMU and data cache are enabled */
+ return (read_sctlr() & c_m_bits) == c_m_bits;
+}
+
uintptr_t stm32_get_gpio_bank_base(unsigned int bank)
{
if (bank == GPIO_BANK_Z) {
@@ -108,3 +117,37 @@
return bank * GPIO_BANK_OFFSET;
}
+
+int stm32mp_check_header(boot_api_image_header_t *header, uintptr_t buffer)
+{
+ uint32_t i;
+ uint32_t img_checksum = 0U;
+
+ /*
+ * Check header/payload validity:
+ * - Header magic
+ * - Header version
+ * - Payload checksum
+ */
+ if (header->magic != BOOT_API_IMAGE_HEADER_MAGIC_NB) {
+ ERROR("Header magic\n");
+ return -EINVAL;
+ }
+
+ if (header->header_version != BOOT_API_HEADER_VERSION) {
+ ERROR("Header version\n");
+ return -EINVAL;
+ }
+
+ for (i = 0U; i < header->image_length; i++) {
+ img_checksum += *(uint8_t *)(buffer + i);
+ }
+
+ if (header->payload_checksum != img_checksum) {
+ ERROR("Checksum: 0x%x (awaited: 0x%x)\n", img_checksum,
+ header->payload_checksum);
+ return -EINVAL;
+ }
+
+ return 0;
+}
diff --git a/plat/st/stm32mp1/bl2_plat_setup.c b/plat/st/stm32mp1/bl2_plat_setup.c
index 27d298e..75ae372 100644
--- a/plat/st/stm32mp1/bl2_plat_setup.c
+++ b/plat/st/stm32mp1/bl2_plat_setup.c
@@ -17,6 +17,7 @@
#include <drivers/generic_delay_timer.h>
#include <drivers/st/bsec.h>
#include <drivers/st/stm32_console.h>
+#include <drivers/st/stm32_iwdg.h>
#include <drivers/st/stm32mp_pmic.h>
#include <drivers/st/stm32mp_reset.h>
#include <drivers/st/stm32mp1_clk.h>
@@ -28,6 +29,7 @@
#include <plat/common/platform.h>
#include <stm32mp1_context.h>
+#include <stm32mp1_dbgmcu.h>
static struct console_stm32 console;
@@ -270,12 +272,26 @@
panic();
}
+ stm32mp_print_cpuinfo();
+
board_model = dt_get_board_model();
if (board_model != NULL) {
NOTICE("Model: %s\n", board_model);
}
+ stm32mp_print_boardinfo();
+
skip_console_init:
+ if (stm32_iwdg_init() < 0) {
+ panic();
+ }
+
+ stm32_iwdg_refresh();
+
+ result = stm32mp1_dbgmcu_freeze_iwdg2();
+ if (result != 0) {
+ INFO("IWDG2 freeze error : %i\n", result);
+ }
if (stm32_save_boot_interface(boot_context->boot_interface_selected,
boot_context->boot_interface_instance) !=
diff --git a/plat/st/stm32mp1/include/stm32mp1_dbgmcu.h b/plat/st/stm32mp1/include/stm32mp1_dbgmcu.h
new file mode 100644
index 0000000..498a4f2
--- /dev/null
+++ b/plat/st/stm32mp1/include/stm32mp1_dbgmcu.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2015-2019, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STM32MP1_DBGMCU_H
+#define STM32MP1_DBGMCU_H
+
+#include <stdint.h>
+
+/* Get chip version and ID from DBGMCU registers */
+int stm32mp1_dbgmcu_get_chip_version(uint32_t *chip_version);
+int stm32mp1_dbgmcu_get_chip_dev_id(uint32_t *chip_dev_id);
+
+/*
+ * Freeze watchdog when a debugger is attached, if the security configuration
+ * allows it.
+ * Return 0 on success, a negative error value otherwise.
+ */
+int stm32mp1_dbgmcu_freeze_iwdg2(void);
+
+#endif /* STM32MP1_DBGMCU_H */
diff --git a/plat/st/stm32mp1/platform.mk b/plat/st/stm32mp1/platform.mk
index 0ea7bbb..83d9770 100644
--- a/plat/st/stm32mp1/platform.mk
+++ b/plat/st/stm32mp1/platform.mk
@@ -57,11 +57,13 @@
drivers/st/ddr/stm32mp1_ddr_helpers.c \
drivers/st/gpio/stm32_gpio.c \
drivers/st/i2c/stm32_i2c.c \
+ drivers/st/iwdg/stm32_iwdg.c \
drivers/st/pmic/stm32mp_pmic.c \
drivers/st/pmic/stpmic1.c \
drivers/st/reset/stm32mp1_reset.c \
plat/st/common/stm32mp_dt.c \
plat/st/stm32mp1/stm32mp1_context.c \
+ plat/st/stm32mp1/stm32mp1_dbgmcu.c \
plat/st/stm32mp1/stm32mp1_helper.S \
plat/st/stm32mp1/stm32mp1_security.c \
plat/st/stm32mp1/stm32mp1_syscfg.c
diff --git a/plat/st/stm32mp1/sp_min/sp_min_setup.c b/plat/st/stm32mp1/sp_min/sp_min_setup.c
index 329ff68..417115b 100644
--- a/plat/st/stm32mp1/sp_min/sp_min_setup.c
+++ b/plat/st/stm32mp1/sp_min/sp_min_setup.c
@@ -19,6 +19,7 @@
#include <drivers/st/bsec.h>
#include <drivers/st/stm32_console.h>
#include <drivers/st/stm32_gpio.h>
+#include <drivers/st/stm32_iwdg.h>
#include <drivers/st/stm32mp1_clk.h>
#include <dt-bindings/clock/stm32mp1-clks.h>
#include <lib/el3_runtime/context_mgmt.h>
@@ -88,6 +89,12 @@
/* Imprecise aborts can be masked in NonSecure */
write_scr(read_scr() | SCR_AW_BIT);
+ mmap_add_region(BL_CODE_BASE, BL_CODE_BASE,
+ BL_CODE_END - BL_CODE_BASE,
+ MT_CODE | MT_SECURE);
+
+ configure_mmu();
+
assert(params_from_bl2 != NULL);
assert(params_from_bl2->h.type == PARAM_BL_PARAMS);
assert(params_from_bl2->h.version >= VERSION_2);
@@ -127,6 +134,11 @@
0) {
panic();
}
+
+#ifdef DEBUG
+ console_set_scope(&console.console,
+ CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME);
+#endif
}
}
@@ -135,12 +147,6 @@
******************************************************************************/
void sp_min_platform_setup(void)
{
- mmap_add_region(BL_CODE_BASE, BL_CODE_BASE,
- BL_CODE_END - BL_CODE_BASE,
- MT_CODE | MT_SECURE);
-
- configure_mmu();
-
/* Initialize tzc400 after DDR initialization */
stm32mp1_security_setup();
@@ -157,6 +163,10 @@
for (uint32_t pin = 0U; pin < STM32MP_GPIOZ_PIN_MAX_COUNT; pin++) {
set_gpio_secure_cfg(GPIO_BANK_Z, pin, false);
}
+
+ if (stm32_iwdg_init() < 0) {
+ panic();
+ }
}
void sp_min_plat_arch_setup(void)
diff --git a/plat/st/stm32mp1/stm32mp1_dbgmcu.c b/plat/st/stm32mp1/stm32mp1_dbgmcu.c
new file mode 100644
index 0000000..d026496
--- /dev/null
+++ b/plat/st/stm32mp1/stm32mp1_dbgmcu.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2016-2019, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <errno.h>
+
+#include <platform_def.h>
+
+#include <common/debug.h>
+#include <drivers/st/bsec.h>
+#include <drivers/st/stm32mp1_rcc.h>
+#include <lib/mmio.h>
+#include <lib/utils_def.h>
+
+#include <stm32mp1_dbgmcu.h>
+
+#define DBGMCU_IDC U(0x00)
+#define DBGMCU_APB4FZ1 U(0x2C)
+
+#define DBGMCU_IDC_DEV_ID_MASK GENMASK(11, 0)
+#define DBGMCU_IDC_REV_ID_MASK GENMASK(31, 16)
+#define DBGMCU_IDC_REV_ID_SHIFT 16
+
+#define DBGMCU_APB4FZ1_IWDG2 BIT(2)
+
+static uintptr_t get_rcc_base(void)
+{
+ /* This is called before stm32mp_rcc_base() is available */
+ return RCC_BASE;
+}
+
+static int stm32mp1_dbgmcu_init(void)
+{
+ uint32_t dbg_conf;
+ uintptr_t rcc_base = get_rcc_base();
+
+ dbg_conf = bsec_read_debug_conf();
+
+ if ((dbg_conf & BSEC_DBGSWGEN) == 0U) {
+ uint32_t result = bsec_write_debug_conf(dbg_conf |
+ BSEC_DBGSWGEN);
+
+ if (result != BSEC_OK) {
+ ERROR("Error enabling DBGSWGEN\n");
+ return -1;
+ }
+ }
+
+ mmio_setbits_32(rcc_base + RCC_DBGCFGR, RCC_DBGCFGR_DBGCKEN);
+
+ return 0;
+}
+
+int stm32mp1_dbgmcu_get_chip_version(uint32_t *chip_version)
+{
+ if (stm32mp1_dbgmcu_init() != 0) {
+ return -EPERM;
+ }
+
+ *chip_version = (mmio_read_32(DBGMCU_BASE + DBGMCU_IDC) &
+ DBGMCU_IDC_REV_ID_MASK) >> DBGMCU_IDC_REV_ID_SHIFT;
+
+ return 0;
+}
+
+int stm32mp1_dbgmcu_get_chip_dev_id(uint32_t *chip_dev_id)
+{
+ if (stm32mp1_dbgmcu_init() != 0) {
+ return -EPERM;
+ }
+
+ *chip_dev_id = mmio_read_32(DBGMCU_BASE + DBGMCU_IDC) &
+ DBGMCU_IDC_DEV_ID_MASK;
+
+ return 0;
+}
+
+int stm32mp1_dbgmcu_freeze_iwdg2(void)
+{
+ uint32_t dbg_conf;
+
+ if (stm32mp1_dbgmcu_init() != 0) {
+ return -EPERM;
+ }
+
+ dbg_conf = bsec_read_debug_conf();
+
+ if ((dbg_conf & (BSEC_SPIDEN | BSEC_SPINDEN)) != 0U) {
+ mmio_setbits_32(DBGMCU_BASE + DBGMCU_APB4FZ1,
+ DBGMCU_APB4FZ1_IWDG2);
+ }
+
+ return 0;
+}
diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
index 37941aa..0eba8a6 100644
--- a/plat/st/stm32mp1/stm32mp1_def.h
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -15,16 +15,38 @@
#include <lib/xlat_tables/xlat_tables_defs.h>
#ifndef __ASSEMBLER__
+#include <drivers/st/bsec.h>
#include <drivers/st/stm32mp1_clk.h>
#include <boot_api.h>
#include <stm32mp_common.h>
#include <stm32mp_dt.h>
#include <stm32mp_shres_helpers.h>
+#include <stm32mp1_dbgmcu.h>
#include <stm32mp1_private.h>
#endif
/*******************************************************************************
+ * CHIP ID
+ ******************************************************************************/
+#define STM32MP157C_PART_NB U(0x05000000)
+#define STM32MP157A_PART_NB U(0x05000001)
+#define STM32MP153C_PART_NB U(0x05000024)
+#define STM32MP153A_PART_NB U(0x05000025)
+#define STM32MP151C_PART_NB U(0x0500002E)
+#define STM32MP151A_PART_NB U(0x0500002F)
+
+#define STM32MP1_REV_B U(0x2000)
+
+/*******************************************************************************
+ * PACKAGE ID
+ ******************************************************************************/
+#define PKG_AA_LFBGA448 U(4)
+#define PKG_AB_LFBGA354 U(3)
+#define PKG_AC_TFBGA361 U(2)
+#define PKG_AD_TFBGA257 U(1)
+
+/*******************************************************************************
* STM32MP1 memory map related constants
******************************************************************************/
@@ -44,6 +66,7 @@
enum ddr_type {
STM32MP_DDR3,
STM32MP_LPDDR2,
+ STM32MP_LPDDR3
};
#endif
@@ -87,9 +110,9 @@
#endif
#else
#if STACK_PROTECTOR_ENABLED
-#define STM32MP_BL2_SIZE U(0x00015000) /* 84 Ko for BL2 */
+#define STM32MP_BL2_SIZE U(0x00018000) /* 96 Ko for BL2 */
#else
-#define STM32MP_BL2_SIZE U(0x00013000) /* 76 Ko for BL2 */
+#define STM32MP_BL2_SIZE U(0x00016000) /* 88 Ko for BL2 */
#endif
#endif
@@ -239,12 +262,27 @@
/* OTP offsets */
#define DATA0_OTP U(0)
+#define PART_NUMBER_OTP U(1)
+#define PACKAGE_OTP U(16)
#define HW2_OTP U(18)
/* OTP mask */
/* DATA0 */
#define DATA0_OTP_SECURED BIT(6)
+/* PART NUMBER */
+#define PART_NUMBER_OTP_PART_MASK GENMASK_32(7, 0)
+#define PART_NUMBER_OTP_PART_SHIFT 0
+
+/* PACKAGE */
+#define PACKAGE_OTP_PKG_MASK GENMASK_32(29, 27)
+#define PACKAGE_OTP_PKG_SHIFT 27
+
+/* IWDG OTP */
+#define HW2_OTP_IWDG_HW_POS U(3)
+#define HW2_OTP_IWDG_FZ_STOP_POS U(5)
+#define HW2_OTP_IWDG_FZ_STANDBY_POS U(7)
+
/* HW2 OTP */
#define HW2_OTP_PRODUCT_BELOW_2V5 BIT(13)
@@ -272,13 +310,30 @@
#define DDRPHYC_BASE U(0x5A004000)
/*******************************************************************************
+ * STM32MP1 IWDG
+ ******************************************************************************/
+#define IWDG_MAX_INSTANCE U(2)
+#define IWDG1_INST U(0)
+#define IWDG2_INST U(1)
+
+#define IWDG1_BASE U(0x5C003000)
+#define IWDG2_BASE U(0x5A002000)
+
+/*******************************************************************************
* STM32MP1 I2C4
******************************************************************************/
#define I2C4_BASE U(0x5C002000)
/*******************************************************************************
+ * STM32MP1 DBGMCU
+ ******************************************************************************/
+#define DBGMCU_BASE U(0x50081000)
+
+/*******************************************************************************
* Device Tree defines
******************************************************************************/
+#define DT_BSEC_COMPAT "st,stm32mp15-bsec"
+#define DT_IWDG_COMPAT "st,stm32mp1-iwdg"
#define DT_PWR_COMPAT "st,stm32mp1-pwr"
#define DT_RCC_CLK_COMPAT "st,stm32mp1-rcc"
#define DT_SYSCFG_COMPAT "st,stm32mp157-syscfg"
diff --git a/plat/st/stm32mp1/stm32mp1_private.c b/plat/st/stm32mp1/stm32mp1_private.c
index 340c7fb..38ebcef 100644
--- a/plat/st/stm32mp1/stm32mp1_private.c
+++ b/plat/st/stm32mp1/stm32mp1_private.c
@@ -6,10 +6,30 @@
#include <assert.h>
+#include <libfdt.h>
+
#include <platform_def.h>
+#include <drivers/st/stm32_iwdg.h>
#include <lib/xlat_tables/xlat_tables_v2.h>
+/* Internal layout of the 32bit OTP word board_id */
+#define BOARD_ID_BOARD_NB_MASK GENMASK(31, 16)
+#define BOARD_ID_BOARD_NB_SHIFT 16
+#define BOARD_ID_VARIANT_MASK GENMASK(15, 12)
+#define BOARD_ID_VARIANT_SHIFT 12
+#define BOARD_ID_REVISION_MASK GENMASK(11, 8)
+#define BOARD_ID_REVISION_SHIFT 8
+#define BOARD_ID_BOM_MASK GENMASK(3, 0)
+
+#define BOARD_ID2NB(_id) (((_id) & BOARD_ID_BOARD_NB_MASK) >> \
+ BOARD_ID_BOARD_NB_SHIFT)
+#define BOARD_ID2VAR(_id) (((_id) & BOARD_ID_VARIANT_MASK) >> \
+ BOARD_ID_VARIANT_SHIFT)
+#define BOARD_ID2REV(_id) (((_id) & BOARD_ID_REVISION_MASK) >> \
+ BOARD_ID_REVISION_SHIFT)
+#define BOARD_ID2BOM(_id) ((_id) & BOARD_ID_BOM_MASK)
+
#define MAP_SRAM MAP_REGION_FLAT(STM32MP_SYSRAM_BASE, \
STM32MP_SYSRAM_SIZE, \
MT_MEMORY | \
@@ -66,3 +86,269 @@
return GPIOA + (bank - GPIO_BANK_A);
}
+
+static int get_part_number(uint32_t *part_nb)
+{
+ uint32_t part_number;
+ uint32_t dev_id;
+
+ if (stm32mp1_dbgmcu_get_chip_dev_id(&dev_id) < 0) {
+ return -1;
+ }
+
+ if (bsec_shadow_read_otp(&part_number, PART_NUMBER_OTP) != BSEC_OK) {
+ ERROR("BSEC: PART_NUMBER_OTP Error\n");
+ return -1;
+ }
+
+ part_number = (part_number & PART_NUMBER_OTP_PART_MASK) >>
+ PART_NUMBER_OTP_PART_SHIFT;
+
+ *part_nb = part_number | (dev_id << 16);
+
+ return 0;
+}
+
+static int get_cpu_package(uint32_t *cpu_package)
+{
+ uint32_t package;
+
+ if (bsec_shadow_read_otp(&package, PACKAGE_OTP) != BSEC_OK) {
+ ERROR("BSEC: PACKAGE_OTP Error\n");
+ return -1;
+ }
+
+ *cpu_package = (package & PACKAGE_OTP_PKG_MASK) >>
+ PACKAGE_OTP_PKG_SHIFT;
+
+ return 0;
+}
+
+void stm32mp_print_cpuinfo(void)
+{
+ const char *cpu_s, *cpu_r, *pkg;
+ uint32_t part_number;
+ uint32_t cpu_package;
+ uint32_t chip_dev_id;
+ int ret;
+
+ /* MPUs Part Numbers */
+ ret = get_part_number(&part_number);
+ if (ret < 0) {
+ WARN("Cannot get part number\n");
+ return;
+ }
+
+ switch (part_number) {
+ case STM32MP157C_PART_NB:
+ cpu_s = "157C";
+ break;
+ case STM32MP157A_PART_NB:
+ cpu_s = "157A";
+ break;
+ case STM32MP153C_PART_NB:
+ cpu_s = "153C";
+ break;
+ case STM32MP153A_PART_NB:
+ cpu_s = "153A";
+ break;
+ case STM32MP151C_PART_NB:
+ cpu_s = "151C";
+ break;
+ case STM32MP151A_PART_NB:
+ cpu_s = "151A";
+ break;
+ default:
+ cpu_s = "????";
+ break;
+ }
+
+ /* Package */
+ ret = get_cpu_package(&cpu_package);
+ if (ret < 0) {
+ WARN("Cannot get CPU package\n");
+ return;
+ }
+
+ switch (cpu_package) {
+ case PKG_AA_LFBGA448:
+ pkg = "AA";
+ break;
+ case PKG_AB_LFBGA354:
+ pkg = "AB";
+ break;
+ case PKG_AC_TFBGA361:
+ pkg = "AC";
+ break;
+ case PKG_AD_TFBGA257:
+ pkg = "AD";
+ break;
+ default:
+ pkg = "??";
+ break;
+ }
+
+ /* REVISION */
+ ret = stm32mp1_dbgmcu_get_chip_version(&chip_dev_id);
+ if (ret < 0) {
+ WARN("Cannot get CPU version\n");
+ return;
+ }
+
+ switch (chip_dev_id) {
+ case STM32MP1_REV_B:
+ cpu_r = "B";
+ break;
+ default:
+ cpu_r = "?";
+ break;
+ }
+
+ NOTICE("CPU: STM32MP%s%s Rev.%s\n", cpu_s, pkg, cpu_r);
+}
+
+void stm32mp_print_boardinfo(void)
+{
+ uint32_t board_id;
+ uint32_t board_otp;
+ int bsec_node, bsec_board_id_node;
+ void *fdt;
+ const fdt32_t *cuint;
+
+ if (fdt_get_address(&fdt) == 0) {
+ panic();
+ }
+
+ bsec_node = fdt_node_offset_by_compatible(fdt, -1, DT_BSEC_COMPAT);
+ if (bsec_node < 0) {
+ return;
+ }
+
+ bsec_board_id_node = fdt_subnode_offset(fdt, bsec_node, "board_id");
+ if (bsec_board_id_node <= 0) {
+ return;
+ }
+
+ cuint = fdt_getprop(fdt, bsec_board_id_node, "reg", NULL);
+ if (cuint == NULL) {
+ panic();
+ }
+
+ board_otp = fdt32_to_cpu(*cuint) / sizeof(uint32_t);
+
+ if (bsec_shadow_read_otp(&board_id, board_otp) != BSEC_OK) {
+ ERROR("BSEC: PART_NUMBER_OTP Error\n");
+ return;
+ }
+
+ if (board_id != 0U) {
+ char rev[2];
+
+ rev[0] = BOARD_ID2REV(board_id) - 1 + 'A';
+ rev[1] = '\0';
+ NOTICE("Board: MB%04x Var%d Rev.%s-%02d\n",
+ BOARD_ID2NB(board_id),
+ BOARD_ID2VAR(board_id),
+ rev,
+ BOARD_ID2BOM(board_id));
+ }
+}
+
+/* Return true when SoC provides a single Cortex-A7 core, and false otherwise */
+bool stm32mp_is_single_core(void)
+{
+ uint32_t part_number;
+ bool ret = false;
+
+ if (get_part_number(&part_number) < 0) {
+ ERROR("Invalid part number, assume single core chip");
+ return true;
+ }
+
+ switch (part_number) {
+ case STM32MP151A_PART_NB:
+ case STM32MP151C_PART_NB:
+ ret = true;
+ break;
+
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+uint32_t stm32_iwdg_get_instance(uintptr_t base)
+{
+ switch (base) {
+ case IWDG1_BASE:
+ return IWDG1_INST;
+ case IWDG2_BASE:
+ return IWDG2_INST;
+ default:
+ panic();
+ }
+}
+
+uint32_t stm32_iwdg_get_otp_config(uint32_t iwdg_inst)
+{
+ uint32_t iwdg_cfg = 0U;
+ uint32_t otp_value;
+
+#if defined(IMAGE_BL2)
+ if (bsec_shadow_register(HW2_OTP) != BSEC_OK) {
+ panic();
+ }
+#endif
+
+ if (bsec_read_otp(&otp_value, HW2_OTP) != BSEC_OK) {
+ panic();
+ }
+
+ if ((otp_value & BIT(iwdg_inst + HW2_OTP_IWDG_HW_POS)) != 0U) {
+ iwdg_cfg |= IWDG_HW_ENABLED;
+ }
+
+ if ((otp_value & BIT(iwdg_inst + HW2_OTP_IWDG_FZ_STOP_POS)) != 0U) {
+ iwdg_cfg |= IWDG_DISABLE_ON_STOP;
+ }
+
+ if ((otp_value & BIT(iwdg_inst + HW2_OTP_IWDG_FZ_STANDBY_POS)) != 0U) {
+ iwdg_cfg |= IWDG_DISABLE_ON_STANDBY;
+ }
+
+ return iwdg_cfg;
+}
+
+#if defined(IMAGE_BL2)
+uint32_t stm32_iwdg_shadow_update(uint32_t iwdg_inst, uint32_t flags)
+{
+ uint32_t otp;
+ uint32_t result;
+
+ if (bsec_shadow_read_otp(&otp, HW2_OTP) != BSEC_OK) {
+ panic();
+ }
+
+ if ((flags & IWDG_DISABLE_ON_STOP) != 0U) {
+ otp |= BIT(iwdg_inst + HW2_OTP_IWDG_FZ_STOP_POS);
+ }
+
+ if ((flags & IWDG_DISABLE_ON_STANDBY) != 0U) {
+ otp |= BIT(iwdg_inst + HW2_OTP_IWDG_FZ_STANDBY_POS);
+ }
+
+ result = bsec_write_otp(otp, HW2_OTP);
+ if (result != BSEC_OK) {
+ return result;
+ }
+
+ /* Sticky lock OTP_IWDG (read and write) */
+ if (!bsec_write_sr_lock(HW2_OTP, 1U) ||
+ !bsec_write_sw_lock(HW2_OTP, 1U)) {
+ return BSEC_LOCK_FAIL;
+ }
+
+ return BSEC_OK;
+}
+#endif