[PATCHv3 2/6] omap4: panda: convert to device model
Tero Kristo
t-kristo at ti.com
Tue Jun 16 10:03:06 CEST 2020
Convert omap4 panda to device model.
Signed-off-by: Tero Kristo <t-kristo at ti.com>
---
v3:
* dropped SPI support
v2:
* dropped some apparently dead USB EHCI init code, this was just
causing a compile time warning.
arch/arm/dts/Makefile | 4 +++
arch/arm/dts/omap4-u-boot.dtsi | 39 ++++++++++++++++++++++++++
board/ti/panda/panda.c | 50 ++++++++--------------------------
configs/omap4_panda_defconfig | 12 ++++++--
4 files changed, 64 insertions(+), 41 deletions(-)
create mode 100644 arch/arm/dts/omap4-u-boot.dtsi
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 12ec6c71dc..dd574f57fa 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -848,6 +848,10 @@ dtb-$(CONFIG_TARGET_OMAP3_BEAGLE) += \
dtb-$(CONFIG_TARGET_OMAP3_IGEP00X0) += \
omap3-igep0020.dtb
+dtb-$(CONFIG_TARGET_OMAP4_PANDA) += \
+ omap4-panda.dtb \
+ omap4-panda-es.dtb
+
dtb-$(CONFIG_TARGET_SAMA5D2_PTC_EK) += \
at91-sama5d2_ptc_ek.dtb
diff --git a/arch/arm/dts/omap4-u-boot.dtsi b/arch/arm/dts/omap4-u-boot.dtsi
new file mode 100644
index 0000000000..4a6bafd6ed
--- /dev/null
+++ b/arch/arm/dts/omap4-u-boot.dtsi
@@ -0,0 +1,39 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * U-Boot additions
+ *
+ * (C) Copyright 2020 Tero Kristo <t-kristo at ti.com>
+ */
+
+&l4_cfg {
+ segment at 0 {
+ /* SCM Core */
+ target-module at 2000 {
+ compatible = "simple-bus";
+ };
+
+ /* USB HS */
+ target-module at 64000 {
+ compatible = "simple-bus";
+ };
+ };
+};
+
+&l4_per {
+ segment at 0 {
+ /* UART3 */
+ target-module at 20000 {
+ compatible = "simple-bus";
+ };
+
+ /* I2C1 */
+ target-module at 70000 {
+ compatible = "simple-bus";
+ };
+
+ /* MMC1 */
+ target-module at 9c000 {
+ compatible = "simple-bus";
+ };
+ };
+};
diff --git a/board/ti/panda/panda.c b/board/ti/panda/panda.c
index 9ebecfdbf5..232d999a29 100644
--- a/board/ti/panda/panda.c
+++ b/board/ti/panda/panda.c
@@ -8,6 +8,7 @@
#include <init.h>
#include <log.h>
#include <net.h>
+#include <serial.h>
#include <asm/mach-types.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mmc_host_def.h>
@@ -19,12 +20,6 @@
#include "panda_mux_data.h"
-#ifdef CONFIG_USB_EHCI_HCD
-#include <usb.h>
-#include <asm/arch/ehci.h>
-#include <asm/ehci-omap.h>
-#endif
-
#define PANDA_ULPI_PHY_TYPE_GPIO 182
#define PANDA_BOARD_ID_1_GPIO 101
#define PANDA_ES_BOARD_ID_1_GPIO 48
@@ -55,6 +50,17 @@ int board_init(void)
return 0;
}
+#if defined(CONFIG_SPL_OS_BOOT)
+int spl_start_uboot(void)
+{
+ /* break into full u-boot on 'c' */
+ if (serial_tstc() && serial_getc() == 'c')
+ return 1;
+
+ return 0;
+}
+#endif /* CONFIG_SPL_OS_BOOT */
+
int board_eth_init(bd_t *bis)
{
return 0;
@@ -305,38 +311,6 @@ void board_mmc_power_init(void)
#endif
#endif
-#ifdef CONFIG_USB_EHCI_HCD
-
-static struct omap_usbhs_board_data usbhs_bdata = {
- .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
- .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
- .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
-};
-
-int ehci_hcd_init(int index, enum usb_init_type init,
- struct ehci_hccr **hccr, struct ehci_hcor **hcor)
-{
- int ret;
- unsigned int utmi_clk;
-
- /* Now we can enable our port clocks */
- utmi_clk = readl((void *)CM_L3INIT_HSUSBHOST_CLKCTRL);
- utmi_clk |= HSUSBHOST_CLKCTRL_CLKSEL_UTMI_P1_MASK;
- setbits_le32((void *)CM_L3INIT_HSUSBHOST_CLKCTRL, utmi_clk);
-
- ret = omap_ehci_hcd_init(index, &usbhs_bdata, hccr, hcor);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-int ehci_hcd_stop(int index)
-{
- return omap_ehci_hcd_stop();
-}
-#endif
-
/*
* get_board_rev() - get board revision
*/
diff --git a/configs/omap4_panda_defconfig b/configs/omap4_panda_defconfig
index 3ac6319d2d..f8d37f4728 100644
--- a/configs/omap4_panda_defconfig
+++ b/configs/omap4_panda_defconfig
@@ -2,12 +2,14 @@ CONFIG_ARM=y
CONFIG_ARCH_OMAP2PLUS=y
CONFIG_OMAP44XX=y
CONFIG_TARGET_OMAP4_PANDA=y
+CONFIG_DEFAULT_DEVICE_TREE="omap4-panda"
CONFIG_SPL=y
CONFIG_SPL_TEXT_BASE=0x40300000
CONFIG_DISTRO_DEFAULTS=y
CONFIG_BOOTCOMMAND="if test ${boot_fit} -eq 1; then run update_to_fit; fi; run findfdt; run init_console; run envboot; run distro_bootcmd"
CONFIG_SYS_CONSOLE_IS_IN_ENV=y
CONFIG_SYS_CONSOLE_INFO_QUIET=y
+CONFIG_DEFAULT_FDT_FILE="omap4-panda.dtb"
CONFIG_VERSION_VARIABLE=y
# CONFIG_SPL_FS_EXT4 is not set
# CONFIG_SPL_I2C_SUPPORT is not set
@@ -18,21 +20,23 @@ CONFIG_CMD_ASKENV=y
CONFIG_CMD_GPIO=y
CONFIG_CMD_I2C=y
CONFIG_CMD_MMC=y
-CONFIG_CMD_SPI=y
CONFIG_CMD_USB=y
# CONFIG_CMD_SETEXPR is not set
# CONFIG_CMD_NFS is not set
CONFIG_CMD_EXT4_WRITE=y
+CONFIG_OF_CONTROL=y
CONFIG_ENV_IS_IN_FAT=y
CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
CONFIG_SYS_RELOC_GD_ENV_ADDR=y
CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
+CONFIG_DM=y
+CONFIG_DM_MMC=y
CONFIG_MMC_OMAP_HS=y
CONFIG_CONS_INDEX=3
CONFIG_SYS_NS16550=y
-CONFIG_SPI=y
-CONFIG_OMAP3_SPI=y
+# CONFIG_SPI is not set
CONFIG_USB=y
+CONFIG_DM_USB=y
CONFIG_USB_EHCI_HCD=y
CONFIG_USB_MUSB_UDC=y
CONFIG_USB_OMAP3=y
@@ -40,3 +44,5 @@ CONFIG_USB_GADGET=y
CONFIG_USB_HOST_ETHER=y
CONFIG_USB_ETHER_SMSC95XX=y
CONFIG_OF_LIBFDT=y
+CONFIG_SYS_MALLOC_F_LEN=0x4000
+CONFIG_DM_ETH=y
--
2.17.1
--
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