rockchip: add px30 architecture core
authorHeiko Stuebner <heiko.stuebner@theobroma-systems.com>
Tue, 16 Jul 2019 20:18:21 +0000 (22:18 +0200)
committerKever Yang <kever.yang@rock-chips.com>
Sun, 17 Nov 2019 09:23:24 +0000 (17:23 +0800)
Add core architecture code to support the px30 soc.
This includes a separate tpl board file due to very limited
sram size as well as a non-dm sdram driver, as this also has
to fit into the tiny sram.

Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
arch/arm/include/asm/arch-px30/boot0.h [new file with mode: 0644]
arch/arm/include/asm/arch-px30/gpio.h [new file with mode: 0644]
arch/arm/mach-rockchip/Kconfig
arch/arm/mach-rockchip/Makefile
arch/arm/mach-rockchip/px30-board-tpl.c [new file with mode: 0644]
arch/arm/mach-rockchip/px30/Kconfig [new file with mode: 0644]
arch/arm/mach-rockchip/px30/Makefile [new file with mode: 0644]
arch/arm/mach-rockchip/px30/clk_px30.c [new file with mode: 0644]
arch/arm/mach-rockchip/px30/px30.c [new file with mode: 0644]
arch/arm/mach-rockchip/px30/syscon_px30.c [new file with mode: 0644]

diff --git a/arch/arm/include/asm/arch-px30/boot0.h b/arch/arm/include/asm/arch-px30/boot0.h
new file mode 100644 (file)
index 0000000..2e78b07
--- /dev/null
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef __ASM_ARCH_BOOT0_H__
+#define __ASM_ARCH_BOOT0_H__
+
+#include <asm/arch-rockchip/boot0.h>
+
+#endif
diff --git a/arch/arm/include/asm/arch-px30/gpio.h b/arch/arm/include/asm/arch-px30/gpio.h
new file mode 100644 (file)
index 0000000..eca79d5
--- /dev/null
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#ifndef __ASM_ARCH_GPIO_H__
+#define __ASM_ARCH_GPIO_H__
+
+#include <asm/arch-rockchip/gpio.h>
+
+#endif
index 7746b661e5bd8f1f688594034e1098118a57c61a..3cb934a3f3316a546874172f15fe03071f8ed642 100644 (file)
@@ -1,5 +1,27 @@
 if ARCH_ROCKCHIP
 
+config ROCKCHIP_PX30
+       bool "Support Rockchip PX30"
+       select ARM64
+       select SUPPORT_SPL
+       select SUPPORT_TPL
+       select SPL
+       select TPL
+       select TPL_TINY_FRAMEWORK if TPL
+       select TPL_NEEDS_SEPARATE_TEXT_BASE if SPL
+       select TPL_NEEDS_SEPARATE_STACK if TPL
+       imply SPL_SEPARATE_BSS
+       select SPL_SERIAL_SUPPORT
+       select TPL_SERIAL_SUPPORT
+       select DEBUG_UART_BOARD_INIT
+       imply ROCKCHIP_COMMON_BOARD
+       imply SPL_ROCKCHIP_COMMON_BOARD
+       help
+         The Rockchip PX30 is a ARM-based SoC with a quad-core Cortex-A35
+         including NEON and GPU, Mali-400 graphics, several DDR3 options
+         and video codec support. Peripherals include Gigabit Ethernet,
+         USB2 host and OTG, SDIO, I2S, UART, SPI, I2C and PWMs.
+
 config ROCKCHIP_RK3036
        bool "Support Rockchip RK3036"
        select CPU_V7A
@@ -317,6 +339,7 @@ config TPL_ROCKCHIP_EARLYRETURN_TO_BROM
 config SPL_MMC_SUPPORT
        default y if !SPL_ROCKCHIP_BACK_TO_BROM
 
+source "arch/arm/mach-rockchip/px30/Kconfig"
 source "arch/arm/mach-rockchip/rk3036/Kconfig"
 source "arch/arm/mach-rockchip/rk3128/Kconfig"
 source "arch/arm/mach-rockchip/rk3188/Kconfig"
index a9563ade4f667802bfbf36e68ecb3d7fb91aac01..3b58158ff9d282d27e19d16c0fce5a23127a2b87 100644 (file)
@@ -11,6 +11,7 @@ obj-spl-$(CONFIG_ROCKCHIP_BROM_HELPER) += bootrom.o
 obj-spl-$(CONFIG_SPL_ROCKCHIP_COMMON_BOARD) += spl.o spl-boot-order.o
 obj-tpl-$(CONFIG_ROCKCHIP_BROM_HELPER) += bootrom.o
 obj-tpl-$(CONFIG_TPL_ROCKCHIP_COMMON_BOARD) += tpl.o
+obj-tpl-$(CONFIG_ROCKCHIP_PX30) += px30-board-tpl.o
 
 obj-spl-$(CONFIG_ROCKCHIP_RK3036) += rk3036-board-spl.o
 
@@ -27,6 +28,7 @@ endif
 
 obj-$(CONFIG_$(SPL_TPL_)RAM) += sdram.o
 
+obj-$(CONFIG_ROCKCHIP_PX30) += px30/
 obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036/
 obj-$(CONFIG_ROCKCHIP_RK3128) += rk3128/
 obj-$(CONFIG_ROCKCHIP_RK3188) += rk3188/
diff --git a/arch/arm/mach-rockchip/px30-board-tpl.c b/arch/arm/mach-rockchip/px30-board-tpl.c
new file mode 100644 (file)
index 0000000..8c8976f
--- /dev/null
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2019 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <debug_uart.h>
+#include <dm.h>
+#include <ram.h>
+#include <spl.h>
+#include <version.h>
+#include <asm/io.h>
+#include <asm/arch-rockchip/bootrom.h>
+#include <asm/arch-rockchip/sdram_px30.h>
+
+#define TIMER_LOAD_COUNT0      0x00
+#define TIMER_LOAD_COUNT1      0x04
+#define TIMER_CUR_VALUE0       0x08
+#define TIMER_CUR_VALUE1       0x0c
+#define TIMER_CONTROL_REG      0x10
+
+#define TIMER_EN       0x1
+#define        TIMER_FMODE     (0 << 1)
+#define        TIMER_RMODE     (1 << 1)
+
+void secure_timer_init(void)
+{
+       writel(0, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
+       writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_LOAD_COUNT0);
+       writel(0xffffffff, CONFIG_ROCKCHIP_STIMER_BASE + TIMER_LOAD_COUNT1);
+       writel(TIMER_EN | TIMER_FMODE,
+              CONFIG_ROCKCHIP_STIMER_BASE + TIMER_CONTROL_REG);
+}
+
+void board_init_f(ulong dummy)
+{
+       int ret;
+
+#ifdef CONFIG_DEBUG_UART
+       debug_uart_init();
+       /*
+        * Debug UART can be used from here if required:
+        *
+        * debug_uart_init();
+        * printch('a');
+        * printhex8(0x1234);
+        * printascii("string");
+        */
+       printascii("U-Boot TPL board init\n");
+#endif
+
+       secure_timer_init();
+       ret = sdram_init();
+       if (ret)
+               printascii("sdram_init failed\n");
+
+       /* return to maskrom */
+       back_to_bootrom(BROM_BOOT_NEXTSTAGE);
+}
diff --git a/arch/arm/mach-rockchip/px30/Kconfig b/arch/arm/mach-rockchip/px30/Kconfig
new file mode 100644 (file)
index 0000000..109a37b
--- /dev/null
@@ -0,0 +1,41 @@
+if ROCKCHIP_PX30
+
+config TARGET_EVB_PX30
+       bool "EVB_PX30"
+
+config ROCKCHIP_BOOT_MODE_REG
+       default 0xff010200
+
+config SYS_SOC
+       default "px30"
+
+config SYS_MALLOC_F_LEN
+       default 0x400
+
+config SPL_SERIAL_SUPPORT
+       default y
+
+config TPL_LDSCRIPT
+       default "arch/arm/mach-rockchip/u-boot-tpl-v8.lds"
+
+config TPL_TEXT_BASE
+       default 0xff0e1000
+
+config TPL_MAX_SIZE
+       default 10240
+
+config TPL_STACK
+       default 0xff0e4fff
+
+config DEBUG_UART2_CHANNEL
+       int "Mux channel to use for debug UART2"
+       depends on DEBUG_UART_BOARD_INIT
+       default 0
+       help
+         UART2 can use two different set of pins to route the output.
+         For using the UART for early debugging the route to use needs
+         to be declared (0 or 1).
+
+source "board/rockchip/evb_px30/Kconfig"
+
+endif
diff --git a/arch/arm/mach-rockchip/px30/Makefile b/arch/arm/mach-rockchip/px30/Makefile
new file mode 100644 (file)
index 0000000..080ce14
--- /dev/null
@@ -0,0 +1,13 @@
+#
+# (C) Copyright 2017 Rockchip Electronics Co., Ltd.
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y += clk_px30.o
+
+ifndef CONFIG_TPL_BUILD
+obj-y += syscon_px30.o
+endif
+
+obj-y += px30.o
diff --git a/arch/arm/mach-rockchip/px30/clk_px30.c b/arch/arm/mach-rockchip/px30/clk_px30.c
new file mode 100644 (file)
index 0000000..0bd6b47
--- /dev/null
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd.
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/cru_px30.h>
+
+int rockchip_get_clk(struct udevice **devp)
+{
+       return uclass_get_device_by_driver(UCLASS_CLK,
+                       DM_GET_DRIVER(rockchip_px30_cru), devp);
+}
+
+void *rockchip_get_cru(void)
+{
+       struct px30_clk_priv *priv;
+       struct udevice *dev;
+       int ret;
+
+       ret = rockchip_get_clk(&dev);
+       if (ret)
+               return ERR_PTR(ret);
+
+       priv = dev_get_priv(dev);
+
+       return priv->cru;
+}
diff --git a/arch/arm/mach-rockchip/px30/px30.c b/arch/arm/mach-rockchip/px30/px30.c
new file mode 100644 (file)
index 0000000..bacdcc0
--- /dev/null
@@ -0,0 +1,248 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2017 Rockchip Electronics Co., Ltd
+ */
+#include <common.h>
+#include <clk.h>
+#include <dm.h>
+#include <asm/armv8/mmu.h>
+#include <asm/io.h>
+#include <asm/arch-rockchip/grf_px30.h>
+#include <asm/arch-rockchip/hardware.h>
+#include <asm/arch-rockchip/uart.h>
+#include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/cru_px30.h>
+#include <dt-bindings/clock/px30-cru.h>
+
+static struct mm_region px30_mem_map[] = {
+       {
+               .virt = 0x0UL,
+               .phys = 0x0UL,
+               .size = 0xff000000UL,
+               .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+                        PTE_BLOCK_INNER_SHARE
+       }, {
+               .virt = 0xff000000UL,
+               .phys = 0xff000000UL,
+               .size = 0x01000000UL,
+               .attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+                        PTE_BLOCK_NON_SHARE |
+                        PTE_BLOCK_PXN | PTE_BLOCK_UXN
+       }, {
+               /* List terminator */
+               0,
+       }
+};
+
+struct mm_region *mem_map = px30_mem_map;
+
+#define PMU_PWRDN_CON                  0xff000018
+#define GRF_BASE                       0xff140000
+#define CRU_BASE                       0xff2b0000
+#define VIDEO_PHY_BASE                 0xff2e0000
+#define SERVICE_CORE_ADDR              0xff508000
+#define DDR_FW_BASE                    0xff534000
+
+#define FW_DDR_CON                     0x40
+
+#define QOS_PRIORITY                   0x08
+
+#define QOS_PRIORITY_LEVEL(h, l)       ((((h) & 3) << 8) | ((l) & 3))
+
+/* GRF_GPIO1CL_IOMUX */
+enum {
+       GPIO1C1_SHIFT           = 4,
+       GPIO1C1_MASK            = 0xf << GPIO1C1_SHIFT,
+       GPIO1C1_GPIO            = 0,
+       GPIO1C1_UART1_TX,
+
+       GPIO1C0_SHIFT           = 0,
+       GPIO1C0_MASK            = 0xf << GPIO1C0_SHIFT,
+       GPIO1C0_GPIO            = 0,
+       GPIO1C0_UART1_RX,
+};
+
+/* GRF_GPIO1DL_IOMUX */
+enum {
+       GPIO1D3_SHIFT           = 12,
+       GPIO1D3_MASK            = 0xf << GPIO1D3_SHIFT,
+       GPIO1D3_GPIO            = 0,
+       GPIO1D3_SDMMC_D1,
+       GPIO1D3_UART2_RXM0,
+
+       GPIO1D2_SHIFT           = 8,
+       GPIO1D2_MASK            = 0xf << GPIO1D2_SHIFT,
+       GPIO1D2_GPIO            = 0,
+       GPIO1D2_SDMMC_D0,
+       GPIO1D2_UART2_TXM0,
+};
+
+/* GRF_GPIO1DH_IOMUX */
+enum {
+       GPIO1D7_SHIFT           = 12,
+       GPIO1D7_MASK            = 0xf << GPIO1D7_SHIFT,
+       GPIO1D7_GPIO            = 0,
+       GPIO1D7_SDMMC_CMD,
+
+       GPIO1D6_SHIFT           = 8,
+       GPIO1D6_MASK            = 0xf << GPIO1D6_SHIFT,
+       GPIO1D6_GPIO            = 0,
+       GPIO1D6_SDMMC_CLK,
+
+       GPIO1D5_SHIFT           = 4,
+       GPIO1D5_MASK            = 0xf << GPIO1D5_SHIFT,
+       GPIO1D5_GPIO            = 0,
+       GPIO1D5_SDMMC_D3,
+
+       GPIO1D4_SHIFT           = 0,
+       GPIO1D4_MASK            = 0xf << GPIO1D4_SHIFT,
+       GPIO1D4_GPIO            = 0,
+       GPIO1D4_SDMMC_D2,
+};
+
+/* GRF_GPIO2BH_IOMUX */
+enum {
+       GPIO2B6_SHIFT           = 8,
+       GPIO2B6_MASK            = 0xf << GPIO2B6_SHIFT,
+       GPIO2B6_GPIO            = 0,
+       GPIO2B6_CIF_D1M0,
+       GPIO2B6_UART2_RXM1,
+
+       GPIO2B4_SHIFT           = 0,
+       GPIO2B4_MASK            = 0xf << GPIO2B4_SHIFT,
+       GPIO2B4_GPIO            = 0,
+       GPIO2B4_CIF_D0M0,
+       GPIO2B4_UART2_TXM1,
+};
+
+/* GRF_GPIO3AL_IOMUX */
+enum {
+       GPIO3A2_SHIFT           = 8,
+       GPIO3A2_MASK            = 0xf << GPIO3A2_SHIFT,
+       GPIO3A2_GPIO            = 0,
+       GPIO3A2_UART5_TX        = 4,
+
+       GPIO3A1_SHIFT           = 4,
+       GPIO3A1_MASK            = 0xf << GPIO3A1_SHIFT,
+       GPIO3A1_GPIO            = 0,
+       GPIO3A1_UART5_RX        = 4,
+};
+
+int arch_cpu_init(void)
+{
+       static struct px30_grf * const grf = (void *)GRF_BASE;
+       u32 __maybe_unused val;
+
+#ifdef CONFIG_SPL_BUILD
+       /* We do some SoC one time setting here. */
+       /* Disable the ddr secure region setting to make it non-secure */
+       writel(0x0, DDR_FW_BASE + FW_DDR_CON);
+
+       /* Set cpu qos priority */
+       writel(QOS_PRIORITY_LEVEL(1, 1), SERVICE_CORE_ADDR + QOS_PRIORITY);
+
+#if !defined(CONFIG_DEBUG_UART_BOARD_INIT) || \
+       (CONFIG_DEBUG_UART_BASE != 0xff160000) || \
+       (CONFIG_DEBUG_UART_CHANNEL != 0)
+       /* fix sdmmc pinmux if not using uart2-channel0 as debug uart */
+       rk_clrsetreg(&grf->gpio1dl_iomux,
+                    GPIO1D3_MASK | GPIO1D2_MASK,
+                    GPIO1D3_SDMMC_D1 << GPIO1D3_SHIFT |
+                    GPIO1D2_SDMMC_D0 << GPIO1D2_SHIFT);
+       rk_clrsetreg(&grf->gpio1dh_iomux,
+                    GPIO1D7_MASK | GPIO1D6_MASK | GPIO1D5_MASK | GPIO1D4_MASK,
+                    GPIO1D7_SDMMC_CMD << GPIO1D7_SHIFT |
+                    GPIO1D6_SDMMC_CLK << GPIO1D6_SHIFT |
+                    GPIO1D5_SDMMC_D3 << GPIO1D5_SHIFT |
+                    GPIO1D4_SDMMC_D2 << GPIO1D4_SHIFT);
+#endif
+
+#endif
+
+       /* Enable PD_VO (default disable at reset) */
+       rk_clrreg(PMU_PWRDN_CON, 1 << 13);
+
+       /* Disable video phy bandgap by default */
+       writel(0x82, VIDEO_PHY_BASE + 0x0000);
+       writel(0x05, VIDEO_PHY_BASE + 0x03ac);
+
+       /* Clear the force_jtag */
+       rk_clrreg(&grf->cpu_con[1], 1 << 7);
+
+       return 0;
+}
+
+#ifdef CONFIG_DEBUG_UART_BOARD_INIT
+void board_debug_uart_init(void)
+{
+       static struct px30_grf * const grf = (void *)GRF_BASE;
+       static struct px30_cru * const cru = (void *)CRU_BASE;
+
+#if defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff158000)
+       /* uart_sel_clk default select 24MHz */
+       rk_clrsetreg(&cru->clksel_con[34],
+                    UART1_PLL_SEL_MASK | UART1_DIV_CON_MASK,
+                    UART1_PLL_SEL_24M << UART1_PLL_SEL_SHIFT | 0);
+       rk_clrsetreg(&cru->clksel_con[35],
+                    UART1_CLK_SEL_MASK,
+                    UART1_CLK_SEL_UART1 << UART1_CLK_SEL_SHIFT);
+
+       rk_clrsetreg(&grf->gpio1cl_iomux,
+                    GPIO1C1_MASK | GPIO1C0_MASK,
+                    GPIO1C1_UART1_TX << GPIO1C1_SHIFT |
+                    GPIO1C0_UART1_RX << GPIO1C0_SHIFT);
+#elif defined(CONFIG_DEBUG_UART_BASE) && (CONFIG_DEBUG_UART_BASE == 0xff178000)
+       /* uart_sel_clk default select 24MHz */
+       rk_clrsetreg(&cru->clksel_con[46],
+                    UART5_PLL_SEL_MASK | UART5_DIV_CON_MASK,
+                    UART5_PLL_SEL_24M << UART5_PLL_SEL_SHIFT | 0);
+       rk_clrsetreg(&cru->clksel_con[47],
+                    UART5_CLK_SEL_MASK,
+                    UART5_CLK_SEL_UART5 << UART5_CLK_SEL_SHIFT);
+
+       rk_clrsetreg(&grf->gpio3al_iomux,
+                    GPIO3A2_MASK | GPIO3A1_MASK,
+                    GPIO3A2_UART5_TX << GPIO3A2_SHIFT |
+                    GPIO3A1_UART5_RX << GPIO3A1_SHIFT);
+#else
+       /* GRF_IOFUNC_CON0 */
+       enum {
+               CON_IOMUX_UART2SEL_SHIFT        = 10,
+               CON_IOMUX_UART2SEL_MASK = 3 << CON_IOMUX_UART2SEL_SHIFT,
+               CON_IOMUX_UART2SEL_M0   = 0,
+               CON_IOMUX_UART2SEL_M1,
+               CON_IOMUX_UART2SEL_USBPHY,
+       };
+
+       /* uart_sel_clk default select 24MHz */
+       rk_clrsetreg(&cru->clksel_con[37],
+                    UART2_PLL_SEL_MASK | UART2_DIV_CON_MASK,
+                    UART2_PLL_SEL_24M << UART2_PLL_SEL_SHIFT | 0);
+       rk_clrsetreg(&cru->clksel_con[38],
+                    UART2_CLK_SEL_MASK,
+                    UART2_CLK_SEL_UART2 << UART2_CLK_SEL_SHIFT);
+
+#if (CONFIG_DEBUG_UART2_CHANNEL == 1)
+       /* Enable early UART2 */
+       rk_clrsetreg(&grf->iofunc_con0,
+                    CON_IOMUX_UART2SEL_MASK,
+                    CON_IOMUX_UART2SEL_M1 << CON_IOMUX_UART2SEL_SHIFT);
+
+       rk_clrsetreg(&grf->gpio2bh_iomux,
+                    GPIO2B6_MASK | GPIO2B4_MASK,
+                    GPIO2B6_UART2_RXM1 << GPIO2B6_SHIFT |
+                    GPIO2B4_UART2_TXM1 << GPIO2B4_SHIFT);
+#else
+       rk_clrsetreg(&grf->iofunc_con0,
+                    CON_IOMUX_UART2SEL_MASK,
+                    CON_IOMUX_UART2SEL_M0 << CON_IOMUX_UART2SEL_SHIFT);
+
+       rk_clrsetreg(&grf->gpio1dl_iomux,
+                    GPIO1D3_MASK | GPIO1D2_MASK,
+                    GPIO1D3_UART2_RXM0 << GPIO1D3_SHIFT |
+                    GPIO1D2_UART2_TXM0 << GPIO1D2_SHIFT);
+#endif /* CONFIG_DEBUG_UART2_CHANNEL == 1 */
+
+#endif /* CONFIG_DEBUG_UART_BASE && CONFIG_DEBUG_UART_BASE == ... */
+}
+#endif /* CONFIG_DEBUG_UART_BOARD_INIT */
diff --git a/arch/arm/mach-rockchip/px30/syscon_px30.c b/arch/arm/mach-rockchip/px30/syscon_px30.c
new file mode 100644 (file)
index 0000000..0331491
--- /dev/null
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <syscon.h>
+#include <asm/arch-rockchip/clock.h>
+
+static const struct udevice_id px30_syscon_ids[] = {
+       { .compatible = "rockchip,px30-pmu", .data = ROCKCHIP_SYSCON_PMU },
+       { .compatible = "rockchip,px30-pmugrf", .data = ROCKCHIP_SYSCON_PMUGRF },
+       { .compatible = "rockchip,px30-grf", .data = ROCKCHIP_SYSCON_GRF },
+       { }
+};
+
+U_BOOT_DRIVER(syscon_px30) = {
+       .id = UCLASS_SYSCON,
+       .name = "px30_syscon",
+       .of_match = px30_syscon_ids,
+};
+
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+static int px30_syscon_bind_of_platdata(struct udevice *dev)
+{
+       dev->driver_data = dev->driver->of_match->data;
+       debug("syscon: %s %d\n", dev->name, (uint)dev->driver_data);
+
+       return 0;
+}
+
+U_BOOT_DRIVER(rockchip_px30_pmu) = {
+       .name = "rockchip_px30_pmu",
+       .id = UCLASS_SYSCON,
+       .of_match = px30_syscon_ids,
+       .bind = px30_syscon_bind_of_platdata,
+};
+
+U_BOOT_DRIVER(rockchip_px30_pmugrf) = {
+       .name = "rockchip_px30_pmugrf",
+       .id = UCLASS_SYSCON,
+       .of_match = px30_syscon_ids + 1,
+       .bind = px30_syscon_bind_of_platdata,
+};
+
+U_BOOT_DRIVER(rockchip_px30_grf) = {
+       .name = "rockchip_px30_grf",
+       .id = UCLASS_SYSCON,
+       .of_match = px30_syscon_ids + 2,
+       .bind = px30_syscon_bind_of_platdata,
+};
+#endif