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-rw-r--r--board/st/stm32mp1/Makefile2
-rw-r--r--board/st/stm32mp1/board.c158
-rw-r--r--board/st/stm32mp1/spl.c76
-rw-r--r--board/st/stm32mp1/stm32mp1.c74
4 files changed, 57 insertions, 253 deletions
diff --git a/board/st/stm32mp1/Makefile b/board/st/stm32mp1/Makefile
index 8188075b1a..65560df290 100644
--- a/board/st/stm32mp1/Makefile
+++ b/board/st/stm32mp1/Makefile
@@ -8,5 +8,3 @@ obj-y += spl.o
else
obj-y += stm32mp1.o
endif
-
-obj-y += board.o
diff --git a/board/st/stm32mp1/board.c b/board/st/stm32mp1/board.c
index c218d37ecc..00c61c2886 100644
--- a/board/st/stm32mp1/board.c
+++ b/board/st/stm32mp1/board.c
@@ -4,13 +4,9 @@
*/
#include <common.h>
-#include <dm.h>
#include <asm/io.h>
-#include <asm/arch/ddr.h>
#include <linux/bitops.h>
#include <linux/delay.h>
-#include <power/pmic.h>
-#include <power/stpmic1.h>
#ifdef CONFIG_DEBUG_UART_BOARD_INIT
void board_debug_uart_init(void)
@@ -38,157 +34,3 @@ void board_debug_uart_init(void)
#endif
}
#endif
-
-#ifdef CONFIG_PMIC_STPMIC1
-int board_ddr_power_init(enum ddr_type ddr_type)
-{
- struct udevice *dev;
- bool buck3_at_1800000v = false;
- int ret;
- u32 buck2;
-
- ret = uclass_get_device_by_driver(UCLASS_PMIC,
- DM_GET_DRIVER(pmic_stpmic1), &dev);
- if (ret)
- /* No PMIC on board */
- return 0;
-
- switch (ddr_type) {
- case STM32MP_DDR3:
- /* VTT = Set LDO3 to sync mode */
- ret = pmic_reg_read(dev, STPMIC1_LDOX_MAIN_CR(STPMIC1_LDO3));
- if (ret < 0)
- return ret;
-
- ret &= ~STPMIC1_LDO3_MODE;
- ret &= ~STPMIC1_LDO12356_VOUT_MASK;
- ret |= STPMIC1_LDO_VOUT(STPMIC1_LDO3_DDR_SEL);
-
- ret = pmic_reg_write(dev, STPMIC1_LDOX_MAIN_CR(STPMIC1_LDO3),
- ret);
- if (ret < 0)
- return ret;
-
- /* VDD_DDR = Set BUCK2 to 1.35V */
- ret = pmic_clrsetbits(dev,
- STPMIC1_BUCKX_MAIN_CR(STPMIC1_BUCK2),
- STPMIC1_BUCK_VOUT_MASK,
- STPMIC1_BUCK2_1350000V);
- if (ret < 0)
- return ret;
-
- /* Enable VDD_DDR = BUCK2 */
- ret = pmic_clrsetbits(dev,
- STPMIC1_BUCKX_MAIN_CR(STPMIC1_BUCK2),
- STPMIC1_BUCK_ENA, STPMIC1_BUCK_ENA);
- if (ret < 0)
- return ret;
-
- mdelay(STPMIC1_DEFAULT_START_UP_DELAY_MS);
-
- /* Enable VREF */
- ret = pmic_clrsetbits(dev, STPMIC1_REFDDR_MAIN_CR,
- STPMIC1_VREF_ENA, STPMIC1_VREF_ENA);
- if (ret < 0)
- return ret;
-
- mdelay(STPMIC1_DEFAULT_START_UP_DELAY_MS);
-
- /* Enable VTT = LDO3 */
- ret = pmic_clrsetbits(dev,
- STPMIC1_LDOX_MAIN_CR(STPMIC1_LDO3),
- STPMIC1_LDO_ENA, STPMIC1_LDO_ENA);
- if (ret < 0)
- return ret;
-
- mdelay(STPMIC1_DEFAULT_START_UP_DELAY_MS);
-
- break;
-
- case STM32MP_LPDDR2_16:
- case STM32MP_LPDDR2_32:
- case STM32MP_LPDDR3_16:
- case STM32MP_LPDDR3_32:
- /*
- * configure VDD_DDR1 = LDO3
- * Set LDO3 to 1.8V
- * + bypass mode if BUCK3 = 1.8V
- * + normal mode if BUCK3 != 1.8V
- */
- ret = pmic_reg_read(dev,
- STPMIC1_BUCKX_MAIN_CR(STPMIC1_BUCK3));
- if (ret < 0)
- return ret;
-
- if ((ret & STPMIC1_BUCK3_1800000V) == STPMIC1_BUCK3_1800000V)
- buck3_at_1800000v = true;
-
- ret = pmic_reg_read(dev, STPMIC1_LDOX_MAIN_CR(STPMIC1_LDO3));
- if (ret < 0)
- return ret;
-
- ret &= ~STPMIC1_LDO3_MODE;
- ret &= ~STPMIC1_LDO12356_VOUT_MASK;
- ret |= STPMIC1_LDO3_1800000;
- if (buck3_at_1800000v)
- ret |= STPMIC1_LDO3_MODE;
-
- ret = pmic_reg_write(dev, STPMIC1_LDOX_MAIN_CR(STPMIC1_LDO3),
- ret);
- if (ret < 0)
- return ret;
-
- /* VDD_DDR2 : Set BUCK2 to 1.2V (16bits) or 1.25V (32 bits)*/
- switch (ddr_type) {
- case STM32MP_LPDDR2_32:
- case STM32MP_LPDDR3_32:
- buck2 = STPMIC1_BUCK2_1250000V;
- break;
- default:
- case STM32MP_LPDDR2_16:
- case STM32MP_LPDDR3_16:
- buck2 = STPMIC1_BUCK2_1200000V;
- break;
- }
-
- ret = pmic_clrsetbits(dev,
- STPMIC1_BUCKX_MAIN_CR(STPMIC1_BUCK2),
- STPMIC1_BUCK_VOUT_MASK,
- buck2);
- if (ret < 0)
- return ret;
-
- /* Enable VDD_DDR1 = LDO3 */
- ret = pmic_clrsetbits(dev, STPMIC1_LDOX_MAIN_CR(STPMIC1_LDO3),
- STPMIC1_LDO_ENA, STPMIC1_LDO_ENA);
- if (ret < 0)
- return ret;
-
- mdelay(STPMIC1_DEFAULT_START_UP_DELAY_MS);
-
- /* Enable VDD_DDR2 =BUCK2 */
- ret = pmic_clrsetbits(dev,
- STPMIC1_BUCKX_MAIN_CR(STPMIC1_BUCK2),
- STPMIC1_BUCK_ENA, STPMIC1_BUCK_ENA);
- if (ret < 0)
- return ret;
-
- mdelay(STPMIC1_DEFAULT_START_UP_DELAY_MS);
-
- /* Enable VREF */
- ret = pmic_clrsetbits(dev, STPMIC1_REFDDR_MAIN_CR,
- STPMIC1_VREF_ENA, STPMIC1_VREF_ENA);
- if (ret < 0)
- return ret;
-
- mdelay(STPMIC1_DEFAULT_START_UP_DELAY_MS);
-
- break;
-
- default:
- break;
- };
-
- return 0;
-}
-#endif
diff --git a/board/st/stm32mp1/spl.c b/board/st/stm32mp1/spl.c
index e65ff288ea..a6a41780c9 100644
--- a/board/st/stm32mp1/spl.c
+++ b/board/st/stm32mp1/spl.c
@@ -5,41 +5,51 @@
#include <config.h>
#include <common.h>
-#include <spl.h>
-#include <dm.h>
-#include <ram.h>
+#include <init.h>
#include <asm/io.h>
-#include <power/pmic.h>
-#include <power/stpmic1.h>
-#include <asm/arch/ddr.h>
+#include <asm/arch/sys_proto.h>
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include "../common/stpmic1.h"
-void spl_board_init(void)
+/* board early initialisation in board_f: need to use global variable */
+static u32 opp_voltage_mv __section(".data");
+
+void board_vddcore_init(u32 voltage_mv)
+{
+ if (IS_ENABLED(CONFIG_PMIC_STPMIC1) && CONFIG_IS_ENABLED(POWER_SUPPORT))
+ opp_voltage_mv = voltage_mv;
+}
+
+int board_early_init_f(void)
+{
+ if (IS_ENABLED(CONFIG_PMIC_STPMIC1) && CONFIG_IS_ENABLED(POWER_SUPPORT))
+ stpmic1_init(opp_voltage_mv);
+
+ return 0;
+}
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+void board_debug_uart_init(void)
{
- /* Keep vdd on during the reset cycle */
-#if defined(CONFIG_PMIC_STPMIC1) && defined(CONFIG_SPL_POWER_SUPPORT)
- struct udevice *dev;
- int ret;
-
- ret = uclass_get_device_by_driver(UCLASS_PMIC,
- DM_GET_DRIVER(pmic_stpmic1), &dev);
- if (!ret)
- pmic_clrsetbits(dev,
- STPMIC1_BUCKS_MRST_CR,
- STPMIC1_MRST_BUCK(STPMIC1_BUCK3),
- STPMIC1_MRST_BUCK(STPMIC1_BUCK3));
-
- /* Check if debug is enabled to program PMIC according to the bit */
- if ((readl(TAMP_BOOT_CONTEXT) & TAMP_BOOT_DEBUG_ON) && !ret) {
- printf("Keep debug unit ON\n");
-
- pmic_clrsetbits(dev, STPMIC1_BUCKS_MRST_CR,
- STPMIC1_MRST_BUCK_DEBUG,
- STPMIC1_MRST_BUCK_DEBUG);
-
- if (STPMIC1_MRST_LDO_DEBUG)
- pmic_clrsetbits(dev, STPMIC1_LDOS_MRST_CR,
- STPMIC1_MRST_LDO_DEBUG,
- STPMIC1_MRST_LDO_DEBUG);
- }
+#if (CONFIG_DEBUG_UART_BASE == STM32_UART4_BASE)
+
+#define RCC_MP_APB1ENSETR (STM32_RCC_BASE + 0x0A00)
+#define RCC_MP_AHB4ENSETR (STM32_RCC_BASE + 0x0A28)
+
+ /* UART4 clock enable */
+ setbits_le32(RCC_MP_APB1ENSETR, BIT(16));
+
+#define GPIOG_BASE 0x50008000
+ /* GPIOG clock enable */
+ writel(BIT(6), RCC_MP_AHB4ENSETR);
+ /* GPIO configuration for ST boards: Uart4 TX = G11 */
+ writel(0xffbfffff, GPIOG_BASE + 0x00);
+ writel(0x00006000, GPIOG_BASE + 0x24);
+#else
+
+#error("CONFIG_DEBUG_UART_BASE: not supported value")
+
#endif
}
+#endif
diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c
index 4553329b25..71daf18034 100644
--- a/board/st/stm32mp1/stm32mp1.c
+++ b/board/st/stm32mp1/stm32mp1.c
@@ -41,6 +41,8 @@
#include <power/regulator.h>
#include <usb/dwc2_udc.h>
+#include "../../st/common/stusb160x.h"
+
/* SYSCFG registers */
#define SYSCFG_BOOTR 0x00
#define SYSCFG_PMCSETR 0x04
@@ -84,6 +86,12 @@ DECLARE_GLOBAL_DATA_PTR;
#define USB_START_LOW_THRESHOLD_UV 1230000
#define USB_START_HIGH_THRESHOLD_UV 2150000
+int board_early_init_f(void)
+{
+ /* nothing to do, only used in SPL */
+ return 0;
+}
+
int checkboard(void)
{
int ret;
@@ -175,64 +183,16 @@ static void board_key_check(void)
}
#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
-
-/* STMicroelectronics STUSB1600 Type-C controller */
-#define STUSB1600_CC_CONNECTION_STATUS 0x0E
-
-/* STUSB1600_CC_CONNECTION_STATUS bitfields */
-#define STUSB1600_CC_ATTACH BIT(0)
-
-static int stusb1600_init(struct udevice **dev_stusb1600)
-{
- ofnode node;
- struct udevice *dev, *bus;
- int ret;
- u32 chip_addr;
-
- *dev_stusb1600 = NULL;
-
- /* if node stusb1600 is present, means DK1 or DK2 board */
- node = ofnode_by_compatible(ofnode_null(), "st,stusb1600");
- if (!ofnode_valid(node))
- return -ENODEV;
-
- ret = ofnode_read_u32(node, "reg", &chip_addr);
- if (ret)
- return -EINVAL;
-
- ret = uclass_get_device_by_ofnode(UCLASS_I2C, ofnode_get_parent(node),
- &bus);
- if (ret) {
- printf("bus for stusb1600 not found\n");
- return -ENODEV;
- }
-
- ret = dm_i2c_probe(bus, chip_addr, 0, &dev);
- if (!ret)
- *dev_stusb1600 = dev;
-
- return ret;
-}
-
-static int stusb1600_cable_connected(struct udevice *dev)
-{
- u8 status;
-
- if (dm_i2c_read(dev, STUSB1600_CC_CONNECTION_STATUS, &status, 1))
- return 0;
-
- return status & STUSB1600_CC_ATTACH;
-}
-
#include <usb/dwc2_udc.h>
int g_dnl_board_usb_cable_connected(void)
{
- struct udevice *stusb1600;
struct udevice *dwc2_udc_otg;
int ret;
- if (!stusb1600_init(&stusb1600))
- return stusb1600_cable_connected(stusb1600);
+ /* if typec stusb160x is present, means DK1 or DK2 board */
+ ret = stusb160x_cable_connected();
+ if (ret >= 0)
+ return ret;
ret = uclass_get_device_by_driver(UCLASS_USB_GADGET_GENERIC,
DM_GET_DRIVER(dwc2_udc_otg),
@@ -664,17 +624,11 @@ static void board_ev1_init(void)
/* board dependent setup after realloc */
int board_init(void)
{
- struct udevice *dev;
-
/* address of boot parameters */
gd->bd->bi_boot_params = STM32_DDR_BASE + 0x100;
- /* probe all PINCTRL for hog */
- for (uclass_first_device(UCLASS_PINCTRL, &dev);
- dev;
- uclass_next_device(&dev)) {
- pr_debug("probe pincontrol = %s\n", dev->name);
- }
+ if (CONFIG_IS_ENABLED(DM_GPIO_HOG))
+ gpio_hog_probe_all();
board_key_check();
generated by cgit (git 2.34.1) at 2024-12-27 05:12:14 +0000