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-rw-r--r--board/raspberrypi/rpi/Makefile1
-rw-r--r--board/raspberrypi/rpi/lowlevel_init.S36
-rw-r--r--board/raspberrypi/rpi/rpi.c29
-rw-r--r--board/ti/am335x/board.c32
-rw-r--r--board/ti/am43xx/board.c15
-rw-r--r--board/ti/am57xx/board.c20
-rw-r--r--board/toradex/colibri_pxa270/colibri_pxa270.c18
7 files changed, 95 insertions, 56 deletions
diff --git a/board/raspberrypi/rpi/Makefile b/board/raspberrypi/rpi/Makefile
index 4ce2c98..dcb25ac 100644
--- a/board/raspberrypi/rpi/Makefile
+++ b/board/raspberrypi/rpi/Makefile
@@ -5,3 +5,4 @@
#
obj-y := rpi.o
+obj-y += lowlevel_init.o
diff --git a/board/raspberrypi/rpi/lowlevel_init.S b/board/raspberrypi/rpi/lowlevel_init.S
new file mode 100644
index 0000000..cdbd8e1
--- /dev/null
+++ b/board/raspberrypi/rpi/lowlevel_init.S
@@ -0,0 +1,36 @@
+/*
+ * (C) Copyright 2016
+ * Cédric Schieli <cschieli@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <config.h>
+
+.align 8
+.global fw_dtb_pointer
+fw_dtb_pointer:
+#ifdef CONFIG_ARM64
+ .dword 0x0
+#else
+ .word 0x0
+#endif
+
+/*
+ * Routine: save_boot_params (called after reset from start.S)
+ * Description: save ATAG/FDT address provided by the firmware at boot time
+ */
+
+.global save_boot_params
+save_boot_params:
+
+ /* The firmware provided ATAG/FDT address can be found in r2/x0 */
+#ifdef CONFIG_ARM64
+ adr x8, fw_dtb_pointer
+ str x0, [x8]
+#else
+ str r2, fw_dtb_pointer
+#endif
+
+ /* Returns */
+ b save_boot_params_ret
diff --git a/board/raspberrypi/rpi/rpi.c b/board/raspberrypi/rpi/rpi.c
index 6245b36..ffd6d31 100644
--- a/board/raspberrypi/rpi/rpi.c
+++ b/board/raspberrypi/rpi/rpi.c
@@ -25,6 +25,9 @@
DECLARE_GLOBAL_DATA_PTR;
+/* From lowlevel_init.S */
+extern unsigned long fw_dtb_pointer;
+
static const struct bcm2835_gpio_platdata gpio_platdata = {
.base = BCM2835_GPIO_BASE,
};
@@ -285,6 +288,31 @@ static void set_fdtfile(void)
setenv("fdtfile", fdtfile);
}
+/*
+ * If the firmware provided a valid FDT at boot time, let's expose it in
+ * ${fdt_addr} so it may be passed unmodified to the kernel.
+ */
+static void set_fdt_addr(void)
+{
+ if (getenv("fdt_addr"))
+ return;
+
+ if (fdt_magic(fw_dtb_pointer) != FDT_MAGIC)
+ return;
+
+ setenv_hex("fdt_addr", fw_dtb_pointer);
+}
+
+/*
+ * Prevent relocation from stomping on a firmware provided FDT blob.
+ */
+unsigned long board_get_usable_ram_top(unsigned long total_size)
+{
+ if ((gd->ram_top - fw_dtb_pointer) > SZ_64M)
+ return gd->ram_top;
+ return fw_dtb_pointer & ~0xffff;
+}
+
static void set_usbethaddr(void)
{
ALLOC_CACHE_ALIGN_BUFFER(struct msg_get_mac_address, msg, 1);
@@ -356,6 +384,7 @@ static void set_serial_number(void)
int misc_init_r(void)
{
+ set_fdt_addr();
set_fdtfile();
set_usbethaddr();
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c
index fc1353a..da9eab4 100644
--- a/board/ti/am335x/board.c
+++ b/board/ti/am335x/board.c
@@ -64,10 +64,16 @@ static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
/*
* Read header information from EEPROM into global structure.
*/
-static inline int __maybe_unused read_eeprom(void)
+#ifdef CONFIG_TI_I2C_BOARD_DETECT
+void do_board_detect(void)
{
- return ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR);
+ enable_i2c0_pin_mux();
+ i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
+
+ if (ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR))
+ printf("ti_i2c_eeprom_init failed\n");
}
+#endif
#ifndef CONFIG_DM_SERIAL
struct serial_device *default_serial_console(void)
@@ -248,9 +254,6 @@ void am33xx_spl_board_init(void)
{
int mpu_vdd;
- if (read_eeprom() < 0)
- puts("Could not get board ID.\n");
-
/* Get the frequency */
dpll_mpu_opp100.m = am335x_get_efuse_mpu_max_freq(cdev);
@@ -388,11 +391,6 @@ void am33xx_spl_board_init(void)
const struct dpll_params *get_dpll_ddr_params(void)
{
- enable_i2c0_pin_mux();
- i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
- if (read_eeprom() < 0)
- puts("Could not get board ID.\n");
-
if (board_is_evm_sk())
return &dpll_ddr_evm_sk;
else if (board_is_bone_lt() || board_is_icev2())
@@ -422,9 +420,6 @@ void set_uart_mux_conf(void)
void set_mux_conf_regs(void)
{
- if (read_eeprom() < 0)
- puts("Could not get board ID.\n");
-
enable_board_pin_mux();
}
@@ -462,9 +457,6 @@ const struct ctrl_ioregs ioregs = {
void sdram_init(void)
{
- if (read_eeprom() < 0)
- puts("Could not get board ID.\n");
-
if (board_is_evm_sk()) {
/*
* EVM SK 1.2A and later use gpio0_7 to enable DDR3.
@@ -642,13 +634,8 @@ int board_late_init(void)
#endif
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
- int rc;
char *name = NULL;
- rc = read_eeprom();
- if (rc)
- puts("Could not get board ID.\n");
-
if (board_is_bbg1())
name = "BBG1";
set_board_info_env(name);
@@ -779,9 +766,6 @@ int board_eth_init(bd_t *bis)
(defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
#ifdef CONFIG_DRIVER_TI_CPSW
- if (read_eeprom() < 0)
- puts("Could not get board ID.\n");
-
if (board_is_bone() || board_is_bone_lt() ||
board_is_idk()) {
writel(MII_MODE_ENABLE, &cdev->miisel);
diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c
index f04a06e..ba6f88f 100644
--- a/board/ti/am43xx/board.c
+++ b/board/ti/am43xx/board.c
@@ -39,10 +39,13 @@ static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
/*
* Read header information from EEPROM into global structure.
*/
-static inline int __maybe_unused read_eeprom(void)
+#ifdef CONFIG_TI_I2C_BOARD_DETECT
+void do_board_detect(void)
{
- return ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR);
+ if (ti_i2c_eeprom_am_get(-1, CONFIG_SYS_I2C_EEPROM_ADDR))
+ printf("ti_i2c_eeprom_init failed\n");
}
+#endif
#ifndef CONFIG_SKIP_LOWLEVEL_INIT
@@ -337,9 +340,6 @@ const struct dpll_params *get_dpll_ddr_params(void)
{
int ind = get_sys_clk_index();
- if (read_eeprom() < 0)
- return NULL;
-
if (board_is_eposevm())
return &epos_evm_dpll_ddr[ind];
else if (board_is_evm() || board_is_sk())
@@ -495,9 +495,6 @@ void scale_vcores(void)
{
const struct dpll_params *mpu_params;
- if (read_eeprom() < 0)
- puts("Could not get board ID.\n");
-
/* Ensure I2C is initialized for PMIC configuration */
gpi2c_init();
@@ -537,8 +534,6 @@ static void enable_vtt_regulator(void)
void sdram_init(void)
{
- if (read_eeprom() < 0)
- return;
/*
* EPOS EVM has 1GB LPDDR2 connected to EMIF.
* GP EMV has 1GB DDR3 connected to EMIF
diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c
index 64de602..f3e3f0b 100644
--- a/board/ti/am57xx/board.c
+++ b/board/ti/am57xx/board.c
@@ -447,26 +447,6 @@ int spl_start_uboot(void)
#endif
#ifdef CONFIG_USB_DWC3
-static struct dwc3_device usb_otg_ss1 = {
- .maximum_speed = USB_SPEED_SUPER,
- .base = DRA7_USB_OTG_SS1_BASE,
- .tx_fifo_resize = false,
- .index = 0,
-};
-
-static struct dwc3_omap_device usb_otg_ss1_glue = {
- .base = (void *)DRA7_USB_OTG_SS1_GLUE_BASE,
- .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
- .index = 0,
-};
-
-static struct ti_usb_phy_device usb_phy1_device = {
- .pll_ctrl_base = (void *)DRA7_USB3_PHY1_PLL_CTRL,
- .usb2_phy_power = (void *)DRA7_USB2_PHY1_POWER,
- .usb3_phy_power = (void *)DRA7_USB3_PHY1_POWER,
- .index = 0,
-};
-
static struct dwc3_device usb_otg_ss2 = {
.maximum_speed = USB_SPEED_HIGH,
.base = DRA7_USB_OTG_SS2_BASE,
diff --git a/board/toradex/colibri_pxa270/colibri_pxa270.c b/board/toradex/colibri_pxa270/colibri_pxa270.c
index 3def0a6..2e3e03a 100644
--- a/board/toradex/colibri_pxa270/colibri_pxa270.c
+++ b/board/toradex/colibri_pxa270/colibri_pxa270.c
@@ -8,10 +8,13 @@
#include <common.h>
#include <asm/arch/hardware.h>
-#include <asm/arch/regs-mmc.h>
#include <asm/arch/pxa.h>
-#include <netdev.h>
+#include <asm/arch/regs-mmc.h>
+#include <asm/arch/regs-uart.h>
#include <asm/io.h>
+#include <dm/platdata.h>
+#include <dm/platform_data/serial_pxa.h>
+#include <netdev.h>
#include <serial.h>
#include <usb.h>
@@ -105,3 +108,14 @@ int board_mmc_init(bd_t *bis)
return 0;
}
#endif
+
+static const struct pxa_serial_platdata serial_platdata = {
+ .base = (struct pxa_uart_regs *)FFUART_BASE,
+ .port = FFUART_INDEX,
+ .baudrate = CONFIG_BAUDRATE,
+};
+
+U_BOOT_DEVICE(pxa_serials) = {
+ .name = "serial_pxa",
+ .platdata = &serial_platdata,
+};