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-rw-r--r--arch/arm/mach-tegra/tegra124/Kconfig30
-rw-r--r--arch/arm/mach-tegra/tegra124/Makefile13
-rw-r--r--arch/arm/mach-tegra/tegra124/clock.c935
-rw-r--r--arch/arm/mach-tegra/tegra124/cpu.c265
-rw-r--r--arch/arm/mach-tegra/tegra124/funcmux.c71
-rw-r--r--arch/arm/mach-tegra/tegra124/pinmux.c306
-rw-r--r--arch/arm/mach-tegra/tegra124/xusb-padctl.c716
7 files changed, 2336 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/tegra124/Kconfig b/arch/arm/mach-tegra/tegra124/Kconfig
new file mode 100644
index 0000000000..88f627c932
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra124/Kconfig
@@ -0,0 +1,30 @@
+if TEGRA124
+
+choice
+ prompt "Tegra124 board select"
+
+config TARGET_JETSON_TK1
+ bool "NVIDIA Tegra124 Jetson TK1 board"
+
+config TARGET_NYAN_BIG
+ bool "Google/NVIDIA Nyan-big Chrombook"
+ help
+ Nyan Big is a Tegra124 clamshell board that is very similar
+ to venice2, but it has a different panel, the sdcard CD and WP
+ sense are flipped, and it has a different revision of the AS3722
+ PMIC. The retail name is the Acer Chromebook 13 CB5-311-T7NN
+ (13.3-inch HD, NVIDIA Tegra K1, 2GB).
+
+config TARGET_VENICE2
+ bool "NVIDIA Tegra124 Venice2"
+
+endchoice
+
+config SYS_SOC
+ default "tegra124"
+
+source "board/nvidia/jetson-tk1/Kconfig"
+source "board/nvidia/nyan-big/Kconfig"
+source "board/nvidia/venice2/Kconfig"
+
+endif
diff --git a/arch/arm/mach-tegra/tegra124/Makefile b/arch/arm/mach-tegra/tegra124/Makefile
new file mode 100644
index 0000000000..ef2da29f30
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra124/Makefile
@@ -0,0 +1,13 @@
+#
+# (C) Copyright 2013-2014
+# NVIDIA Corporation <www.nvidia.com>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-$(CONFIG_SPL_BUILD) += cpu.o
+
+obj-y += clock.o
+obj-y += funcmux.o
+obj-y += pinmux.o
+obj-y += xusb-padctl.o
diff --git a/arch/arm/mach-tegra/tegra124/clock.c b/arch/arm/mach-tegra/tegra124/clock.c
new file mode 100644
index 0000000000..fc8bd194dd
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra124/clock.c
@@ -0,0 +1,935 @@
+/*
+ * (C) Copyright 2013
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* Tegra124 Clock control functions */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sysctr.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/timer.h>
+#include <div64.h>
+#include <fdtdec.h>
+
+/*
+ * Clock types that we can use as a source. The Tegra124 has muxes for the
+ * peripheral clocks, and in most cases there are four options for the clock
+ * source. This gives us a clock 'type' and exploits what commonality exists
+ * in the device.
+ *
+ * Letters are obvious, except for T which means CLK_M, and S which means the
+ * clock derived from 32KHz. Beware that CLK_M (also called OSC in the
+ * datasheet) and PLL_M are different things. The former is the basic
+ * clock supplied to the SOC from an external oscillator. The latter is the
+ * memory clock PLL.
+ *
+ * See definitions in clock_id in the header file.
+ */
+enum clock_type_id {
+ CLOCK_TYPE_AXPT, /* PLL_A, PLL_X, PLL_P, CLK_M */
+ CLOCK_TYPE_MCPA, /* and so on */
+ CLOCK_TYPE_MCPT,
+ CLOCK_TYPE_PCM,
+ CLOCK_TYPE_PCMT,
+ CLOCK_TYPE_PDCT,
+ CLOCK_TYPE_ACPT,
+ CLOCK_TYPE_ASPTE,
+ CLOCK_TYPE_PMDACD2T,
+ CLOCK_TYPE_PCST,
+
+ CLOCK_TYPE_PC2CC3M,
+ CLOCK_TYPE_PC2CC3S_T,
+ CLOCK_TYPE_PC2CC3M_T,
+ CLOCK_TYPE_PC2CC3M_T16, /* PC2CC3M_T, but w/16-bit divisor (I2C) */
+ CLOCK_TYPE_MC2CC3P_A,
+ CLOCK_TYPE_M,
+ CLOCK_TYPE_MCPTM2C2C3,
+ CLOCK_TYPE_PC2CC3T_S,
+ CLOCK_TYPE_AC2CC3P_TS2,
+
+ CLOCK_TYPE_COUNT,
+ CLOCK_TYPE_NONE = -1, /* invalid clock type */
+};
+
+enum {
+ CLOCK_MAX_MUX = 8 /* number of source options for each clock */
+};
+
+/*
+ * Clock source mux for each clock type. This just converts our enum into
+ * a list of mux sources for use by the code.
+ *
+ * Note:
+ * The extra column in each clock source array is used to store the mask
+ * bits in its register for the source.
+ */
+#define CLK(x) CLOCK_ID_ ## x
+static enum clock_id clock_source[CLOCK_TYPE_COUNT][CLOCK_MAX_MUX+1] = {
+ { CLK(AUDIO), CLK(XCPU), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(AUDIO),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(NONE),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(MEMORY), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(PERIPH), CLK(DISPLAY), CLK(CGENERAL), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(AUDIO), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ { CLK(AUDIO), CLK(SFROM32KHZ), CLK(PERIPH), CLK(OSC),
+ CLK(EPCI), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_29},
+ { CLK(PERIPH), CLK(MEMORY), CLK(DISPLAY), CLK(AUDIO),
+ CLK(CGENERAL), CLK(DISPLAY2), CLK(OSC), CLK(NONE),
+ MASK_BITS_31_29},
+ { CLK(PERIPH), CLK(CGENERAL), CLK(SFROM32KHZ), CLK(OSC),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_28},
+
+ /* Additional clock types on Tegra114+ */
+ /* CLOCK_TYPE_PC2CC3M */
+ { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(MEMORY), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_PC2CC3S_T */
+ { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(SFROM32KHZ), CLK(NONE), CLK(OSC), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_PC2CC3M_T */
+ { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(MEMORY), CLK(NONE), CLK(OSC), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_PC2CC3M_T, w/16-bit divisor (I2C) */
+ { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(MEMORY), CLK(NONE), CLK(OSC), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_MC2CC3P_A */
+ { CLK(MEMORY), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(PERIPH), CLK(NONE), CLK(AUDIO), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_M */
+ { CLK(MEMORY), CLK(NONE), CLK(NONE), CLK(NONE),
+ CLK(NONE), CLK(NONE), CLK(NONE), CLK(NONE),
+ MASK_BITS_31_30},
+ /* CLOCK_TYPE_MCPTM2C2C3 */
+ { CLK(MEMORY), CLK(CGENERAL), CLK(PERIPH), CLK(OSC),
+ CLK(MEMORY2), CLK(CGENERAL2), CLK(CGENERAL3), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_PC2CC3T_S */
+ { CLK(PERIPH), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(OSC), CLK(NONE), CLK(SFROM32KHZ), CLK(NONE),
+ MASK_BITS_31_29},
+ /* CLOCK_TYPE_AC2CC3P_TS2 */
+ { CLK(AUDIO), CLK(CGENERAL2), CLK(CGENERAL), CLK(CGENERAL3),
+ CLK(PERIPH), CLK(NONE), CLK(OSC), CLK(SRC2),
+ MASK_BITS_31_29},
+};
+
+/*
+ * Clock type for each peripheral clock source. We put the name in each
+ * record just so it is easy to match things up
+ */
+#define TYPE(name, type) type
+static enum clock_type_id clock_periph_type[PERIPHC_COUNT] = {
+ /* 0x00 */
+ TYPE(PERIPHC_I2S1, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S2, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_OUT, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_SPDIF_IN, CLOCK_TYPE_PC2CC3M),
+ TYPE(PERIPHC_PWM, CLOCK_TYPE_PC2CC3S_T),
+ TYPE(PERIPHC_05h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC2, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_SBC3, CLOCK_TYPE_PC2CC3M_T),
+
+ /* 0x08 */
+ TYPE(PERIPHC_08h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_I2C1, CLOCK_TYPE_PC2CC3M_T16),
+ TYPE(PERIPHC_I2C5, CLOCK_TYPE_PC2CC3M_T16),
+ TYPE(PERIPHC_0bh, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_0ch, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC1, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_DISP1, CLOCK_TYPE_PMDACD2T),
+ TYPE(PERIPHC_DISP2, CLOCK_TYPE_PMDACD2T),
+
+ /* 0x10 */
+ TYPE(PERIPHC_10h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_11h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI, CLOCK_TYPE_MC2CC3P_A),
+ TYPE(PERIPHC_13h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SDMMC1, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_SDMMC2, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_16h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_17h, CLOCK_TYPE_NONE),
+
+ /* 0x18 */
+ TYPE(PERIPHC_18h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SDMMC4, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_VFIR, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_1Bh, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_1Ch, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_HSI, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_UART1, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_UART2, CLOCK_TYPE_PC2CC3M_T),
+
+ /* 0x20 */
+ TYPE(PERIPHC_HOST1X, CLOCK_TYPE_MC2CC3P_A),
+ TYPE(PERIPHC_21h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_22h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_HDMI, CLOCK_TYPE_PMDACD2T),
+ TYPE(PERIPHC_24h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_25h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_I2C2, CLOCK_TYPE_PC2CC3M_T16),
+ TYPE(PERIPHC_EMC, CLOCK_TYPE_MCPTM2C2C3),
+
+ /* 0x28 */
+ TYPE(PERIPHC_UART3, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_29h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI_SENSOR, CLOCK_TYPE_MC2CC3P_A),
+ TYPE(PERIPHC_2bh, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_2ch, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SBC4, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_I2C3, CLOCK_TYPE_PC2CC3M_T16),
+ TYPE(PERIPHC_SDMMC3, CLOCK_TYPE_PC2CC3M_T),
+
+ /* 0x30 */
+ TYPE(PERIPHC_UART4, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_UART5, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_VDE, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_OWR, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_NOR, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_CSITE, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_I2S0, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_DTV, CLOCK_TYPE_NONE),
+
+ /* 0x38 */
+ TYPE(PERIPHC_38h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_39h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_3ah, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_3bh, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_MSENC, CLOCK_TYPE_MC2CC3P_A),
+ TYPE(PERIPHC_TSEC, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_3eh, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_OSC, CLOCK_TYPE_NONE),
+
+ /* 0x40 */
+ TYPE(PERIPHC_40h, CLOCK_TYPE_NONE), /* start with 0x3b0 */
+ TYPE(PERIPHC_MSELECT, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_TSENSOR, CLOCK_TYPE_PC2CC3T_S),
+ TYPE(PERIPHC_I2S3, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2S4, CLOCK_TYPE_AXPT),
+ TYPE(PERIPHC_I2C4, CLOCK_TYPE_PC2CC3M_T16),
+ TYPE(PERIPHC_SBC5, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_SBC6, CLOCK_TYPE_PC2CC3M_T),
+
+ /* 0x48 */
+ TYPE(PERIPHC_AUDIO, CLOCK_TYPE_AC2CC3P_TS2),
+ TYPE(PERIPHC_49h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_DAM0, CLOCK_TYPE_AC2CC3P_TS2),
+ TYPE(PERIPHC_DAM1, CLOCK_TYPE_AC2CC3P_TS2),
+ TYPE(PERIPHC_DAM2, CLOCK_TYPE_AC2CC3P_TS2),
+ TYPE(PERIPHC_HDA2CODEC2X, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_ACTMON, CLOCK_TYPE_PC2CC3S_T),
+ TYPE(PERIPHC_EXTPERIPH1, CLOCK_TYPE_ASPTE),
+
+ /* 0x50 */
+ TYPE(PERIPHC_EXTPERIPH2, CLOCK_TYPE_ASPTE),
+ TYPE(PERIPHC_EXTPERIPH3, CLOCK_TYPE_ASPTE),
+ TYPE(PERIPHC_52h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_I2CSLOW, CLOCK_TYPE_PC2CC3S_T),
+ TYPE(PERIPHC_SYS, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_55h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_56h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_57h, CLOCK_TYPE_NONE),
+
+ /* 0x58 */
+ TYPE(PERIPHC_58h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_59h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_5ah, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_5bh, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SATAOOB, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_SATA, CLOCK_TYPE_PCMT),
+ TYPE(PERIPHC_HDA, CLOCK_TYPE_PC2CC3M_T),
+ TYPE(PERIPHC_5fh, CLOCK_TYPE_NONE),
+
+ /* 0x60 */
+ TYPE(PERIPHC_XUSB_CORE_HOST, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_XUSB_FALCON, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_XUSB_FS, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_XUSB_CORE_DEV, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_XUSB_SS, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_CILAB, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_CILCD, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_CILE, CLOCK_TYPE_NONE),
+
+ /* 0x68 */
+ TYPE(PERIPHC_DSIA_LP, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_DSIB_LP, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_ENTROPY, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_DVFS_REF, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_DVFS_SOC, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_TRACECLKIN, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_ADX0, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_AMX0, CLOCK_TYPE_NONE),
+
+ /* 0x70 */
+ TYPE(PERIPHC_EMC_LATENCY, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_SOC_THERM, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_72h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_73h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_74h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_75h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_VI_SENSOR2, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_I2C6, CLOCK_TYPE_PC2CC3M_T16),
+
+ /* 0x78 */
+ TYPE(PERIPHC_78h, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_EMC_DLL, CLOCK_TYPE_MCPTM2C2C3),
+ TYPE(PERIPHC_HDMI_AUDIO, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_CLK72MHZ, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_ADX1, CLOCK_TYPE_AC2CC3P_TS2),
+ TYPE(PERIPHC_AMX1, CLOCK_TYPE_AC2CC3P_TS2),
+ TYPE(PERIPHC_VIC, CLOCK_TYPE_NONE),
+ TYPE(PERIPHC_7Fh, CLOCK_TYPE_NONE),
+};
+
+/*
+ * This array translates a periph_id to a periphc_internal_id
+ *
+ * Not present/matched up:
+ * uint vi_sensor; _VI_SENSOR_0, 0x1A8
+ * SPDIF - which is both 0x08 and 0x0c
+ *
+ */
+#define NONE(name) (-1)
+#define OFFSET(name, value) PERIPHC_ ## name
+static s8 periph_id_to_internal_id[PERIPH_ID_COUNT] = {
+ /* Low word: 31:0 */
+ NONE(CPU),
+ NONE(COP),
+ NONE(TRIGSYS),
+ NONE(ISPB),
+ NONE(RESERVED4),
+ NONE(TMR),
+ PERIPHC_UART1,
+ PERIPHC_UART2, /* and vfir 0x68 */
+
+ /* 8 */
+ NONE(GPIO),
+ PERIPHC_SDMMC2,
+ PERIPHC_SPDIF_IN,
+ PERIPHC_I2S1,
+ PERIPHC_I2C1,
+ NONE(RESERVED13),
+ PERIPHC_SDMMC1,
+ PERIPHC_SDMMC4,
+
+ /* 16 */
+ NONE(TCW),
+ PERIPHC_PWM,
+ PERIPHC_I2S2,
+ NONE(RESERVED19),
+ PERIPHC_VI,
+ NONE(RESERVED21),
+ NONE(USBD),
+ NONE(ISP),
+
+ /* 24 */
+ NONE(RESERVED24),
+ NONE(RESERVED25),
+ PERIPHC_DISP2,
+ PERIPHC_DISP1,
+ PERIPHC_HOST1X,
+ NONE(VCP),
+ PERIPHC_I2S0,
+ NONE(CACHE2),
+
+ /* Middle word: 63:32 */
+ NONE(MEM),
+ NONE(AHBDMA),
+ NONE(APBDMA),
+ NONE(RESERVED35),
+ NONE(RESERVED36),
+ NONE(STAT_MON),
+ NONE(RESERVED38),
+ NONE(FUSE),
+
+ /* 40 */
+ NONE(KFUSE),
+ PERIPHC_SBC1, /* SBCx = SPIx */
+ PERIPHC_NOR,
+ NONE(RESERVED43),
+ PERIPHC_SBC2,
+ NONE(XIO),
+ PERIPHC_SBC3,
+ PERIPHC_I2C5,
+
+ /* 48 */
+ NONE(DSI),
+ NONE(RESERVED49),
+ PERIPHC_HSI,
+ PERIPHC_HDMI,
+ NONE(CSI),
+ NONE(RESERVED53),
+ PERIPHC_I2C2,
+ PERIPHC_UART3,
+
+ /* 56 */
+ NONE(MIPI_CAL),
+ PERIPHC_EMC,
+ NONE(USB2),
+ NONE(USB3),
+ NONE(RESERVED60),
+ PERIPHC_VDE,
+ NONE(BSEA),
+ NONE(BSEV),
+
+ /* Upper word 95:64 */
+ NONE(RESERVED64),
+ PERIPHC_UART4,
+ PERIPHC_UART5,
+ PERIPHC_I2C3,
+ PERIPHC_SBC4,
+ PERIPHC_SDMMC3,
+ NONE(PCIE),
+ PERIPHC_OWR,
+
+ /* 72 */
+ NONE(AFI),
+ PERIPHC_CSITE,
+ NONE(PCIEXCLK),
+ NONE(AVPUCQ),
+ NONE(LA),
+ NONE(TRACECLKIN),
+ NONE(SOC_THERM),
+ NONE(DTV),
+
+ /* 80 */
+ NONE(RESERVED80),
+ PERIPHC_I2CSLOW,
+ NONE(DSIB),
+ PERIPHC_TSEC,
+ NONE(RESERVED84),
+ NONE(RESERVED85),
+ NONE(RESERVED86),
+ NONE(EMUCIF),
+
+ /* 88 */
+ NONE(RESERVED88),
+ NONE(XUSB_HOST),
+ NONE(RESERVED90),
+ PERIPHC_MSENC,
+ NONE(RESERVED92),
+ NONE(RESERVED93),
+ NONE(RESERVED94),
+ NONE(XUSB_DEV),
+
+ /* V word: 31:0 */
+ NONE(CPUG),
+ NONE(CPULP),
+ NONE(V_RESERVED2),
+ PERIPHC_MSELECT,
+ NONE(V_RESERVED4),
+ PERIPHC_I2S3,
+ PERIPHC_I2S4,
+ PERIPHC_I2C4,
+
+ /* 104 */
+ PERIPHC_SBC5,
+ PERIPHC_SBC6,
+ PERIPHC_AUDIO,
+ NONE(APBIF),
+ PERIPHC_DAM0,
+ PERIPHC_DAM1,
+ PERIPHC_DAM2,
+ PERIPHC_HDA2CODEC2X,
+
+ /* 112 */
+ NONE(ATOMICS),
+ NONE(V_RESERVED17),
+ NONE(V_RESERVED18),
+ NONE(V_RESERVED19),
+ NONE(V_RESERVED20),
+ NONE(V_RESERVED21),
+ NONE(V_RESERVED22),
+ PERIPHC_ACTMON,
+
+ /* 120 */
+ NONE(EXTPERIPH1),
+ NONE(EXTPERIPH2),
+ NONE(EXTPERIPH3),
+ NONE(OOB),
+ PERIPHC_SATA,
+ PERIPHC_HDA,
+ NONE(TZRAM),
+ NONE(SE),
+
+ /* W word: 31:0 */
+ NONE(HDA2HDMICODEC),
+ NONE(SATACOLD),
+ NONE(W_RESERVED2),
+ NONE(W_RESERVED3),
+ NONE(W_RESERVED4),
+ NONE(W_RESERVED5),
+ NONE(W_RESERVED6),
+ NONE(W_RESERVED7),
+
+ /* 136 */
+ NONE(CEC),
+ NONE(W_RESERVED9),
+ NONE(W_RESERVED10),
+ NONE(W_RESERVED11),
+ NONE(W_RESERVED12),
+ NONE(W_RESERVED13),
+ NONE(XUSB_PADCTL),
+ NONE(W_RESERVED15),
+
+ /* 144 */
+ NONE(W_RESERVED16),
+ NONE(W_RESERVED17),
+ NONE(W_RESERVED18),
+ NONE(W_RESERVED19),
+ NONE(W_RESERVED20),
+ NONE(ENTROPY),
+ NONE(DDS),
+ NONE(W_RESERVED23),
+
+ /* 152 */
+ NONE(DP2),
+ NONE(AMX0),
+ NONE(ADX0),
+ NONE(DVFS),
+ NONE(XUSB_SS),
+ NONE(W_RESERVED29),
+ NONE(W_RESERVED30),
+ NONE(W_RESERVED31),
+
+ /* X word: 31:0 */
+ NONE(SPARE),
+ NONE(X_RESERVED1),
+ NONE(X_RESERVED2),
+ NONE(X_RESERVED3),
+ NONE(CAM_MCLK),
+ NONE(CAM_MCLK2),
+ PERIPHC_I2C6,
+ NONE(X_RESERVED7),
+
+ /* 168 */
+ NONE(X_RESERVED8),
+ NONE(X_RESERVED9),
+ NONE(X_RESERVED10),
+ NONE(VIM2_CLK),
+ NONE(X_RESERVED12),
+ NONE(X_RESERVED13),
+ NONE(EMC_DLL),
+ NONE(X_RESERVED15),
+
+ /* 176 */
+ NONE(HDMI_AUDIO),
+ NONE(CLK72MHZ),
+ NONE(VIC),
+ NONE(X_RESERVED19),
+ NONE(ADX1),
+ NONE(DPAUX),
+ NONE(SOR0),
+ NONE(X_RESERVED23),
+
+ /* 184 */
+ NONE(GPU),
+ NONE(AMX1),
+ NONE(X_RESERVED26),
+ NONE(X_RESERVED27),
+ NONE(X_RESERVED28),
+ NONE(X_RESERVED29),
+ NONE(X_RESERVED30),
+ NONE(X_RESERVED31),
+};
+
+/*
+ * Get the oscillator frequency, from the corresponding hardware configuration
+ * field. Note that Tegra30+ support 3 new higher freqs, but we map back
+ * to the old T20 freqs. Support for the higher oscillators is TBD.
+ */
+enum clock_osc_freq clock_get_osc_freq(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ reg = readl(&clkrst->crc_osc_ctrl);
+ reg = (reg & OSC_FREQ_MASK) >> OSC_FREQ_SHIFT;
+
+ if (reg & 1) /* one of the newer freqs */
+ printf("Warning: OSC_FREQ is unsupported! (%d)\n", reg);
+
+ return reg >> 2; /* Map to most common (T20) freqs */
+}
+
+/* Returns a pointer to the clock source register for a peripheral */
+u32 *get_periph_source_reg(enum periph_id periph_id)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ enum periphc_internal_id internal_id;
+
+ /* Coresight is a special case */
+ if (periph_id == PERIPH_ID_CSI)
+ return &clkrst->crc_clk_src[PERIPH_ID_CSI+1];
+
+ assert(periph_id >= PERIPH_ID_FIRST && periph_id < PERIPH_ID_COUNT);
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(internal_id != -1);
+ if (internal_id >= PERIPHC_VW_FIRST) {
+ internal_id -= PERIPHC_VW_FIRST;
+ return &clkrst->crc_clk_src_vw[internal_id];
+ } else {
+ return &clkrst->crc_clk_src[internal_id];
+ }
+}
+
+/**
+ * Given a peripheral ID and the required source clock, this returns which
+ * value should be programmed into the source mux for that peripheral.
+ *
+ * There is special code here to handle the one source type with 5 sources.
+ *
+ * @param periph_id peripheral to start
+ * @param source PLL id of required parent clock
+ * @param mux_bits Set to number of bits in mux register: 2 or 4
+ * @param divider_bits Set to number of divider bits (8 or 16)
+ * @return mux value (0-4, or -1 if not found)
+ */
+int get_periph_clock_source(enum periph_id periph_id,
+ enum clock_id parent, int *mux_bits, int *divider_bits)
+{
+ enum clock_type_id type;
+ enum periphc_internal_id internal_id;
+ int mux;
+
+ assert(clock_periph_id_isvalid(periph_id));
+
+ internal_id = periph_id_to_internal_id[periph_id];
+ assert(periphc_internal_id_isvalid(internal_id));
+
+ type = clock_periph_type[internal_id];
+ assert(clock_type_id_isvalid(type));
+
+ *mux_bits = clock_source[type][CLOCK_MAX_MUX];
+
+ if (type == CLOCK_TYPE_PC2CC3M_T16)
+ *divider_bits = 16;
+ else
+ *divider_bits = 8;
+
+ for (mux = 0; mux < CLOCK_MAX_MUX; mux++)
+ if (clock_source[type][mux] == parent)
+ return mux;
+
+ /* if we get here, either us or the caller has made a mistake */
+ printf("Caller requested bad clock: periph=%d, parent=%d\n", periph_id,
+ parent);
+ return -1;
+}
+
+void clock_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *clk;
+ u32 reg;
+
+ /* Enable/disable the clock to this peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ if ((int)periph_id < (int)PERIPH_ID_VW_FIRST)
+ clk = &clkrst->crc_clk_out_enb[PERIPH_REG(periph_id)];
+ else
+ clk = &clkrst->crc_clk_out_enb_vw[PERIPH_REG(periph_id)];
+ reg = readl(clk);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, clk);
+}
+
+void reset_set_enable(enum periph_id periph_id, int enable)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 *reset;
+ u32 reg;
+
+ /* Enable/disable reset to the peripheral */
+ assert(clock_periph_id_isvalid(periph_id));
+ if (periph_id < PERIPH_ID_VW_FIRST)
+ reset = &clkrst->crc_rst_dev[PERIPH_REG(periph_id)];
+ else
+ reset = &clkrst->crc_rst_dev_vw[PERIPH_REG(periph_id)];
+ reg = readl(reset);
+ if (enable)
+ reg |= PERIPH_MASK(periph_id);
+ else
+ reg &= ~PERIPH_MASK(periph_id);
+ writel(reg, reset);
+}
+
+#ifdef CONFIG_OF_CONTROL
+/*
+ * Convert a device tree clock ID to our peripheral ID. They are mostly
+ * the same but we are very cautious so we check that a valid clock ID is
+ * provided.
+ *
+ * @param clk_id Clock ID according to tegra124 device tree binding
+ * @return peripheral ID, or PERIPH_ID_NONE if the clock ID is invalid
+ */
+enum periph_id clk_id_to_periph_id(int clk_id)
+{
+ if (clk_id > PERIPH_ID_COUNT)
+ return PERIPH_ID_NONE;
+
+ switch (clk_id) {
+ case PERIPH_ID_RESERVED4:
+ case PERIPH_ID_RESERVED25:
+ case PERIPH_ID_RESERVED35:
+ case PERIPH_ID_RESERVED36:
+ case PERIPH_ID_RESERVED38:
+ case PERIPH_ID_RESERVED43:
+ case PERIPH_ID_RESERVED49:
+ case PERIPH_ID_RESERVED53:
+ case PERIPH_ID_RESERVED64:
+ case PERIPH_ID_RESERVED84:
+ case PERIPH_ID_RESERVED85:
+ case PERIPH_ID_RESERVED86:
+ case PERIPH_ID_RESERVED88:
+ case PERIPH_ID_RESERVED90:
+ case PERIPH_ID_RESERVED92:
+ case PERIPH_ID_RESERVED93:
+ case PERIPH_ID_RESERVED94:
+ case PERIPH_ID_V_RESERVED2:
+ case PERIPH_ID_V_RESERVED4:
+ case PERIPH_ID_V_RESERVED17:
+ case PERIPH_ID_V_RESERVED18:
+ case PERIPH_ID_V_RESERVED19:
+ case PERIPH_ID_V_RESERVED20:
+ case PERIPH_ID_V_RESERVED21:
+ case PERIPH_ID_V_RESERVED22:
+ case PERIPH_ID_W_RESERVED2:
+ case PERIPH_ID_W_RESERVED3:
+ case PERIPH_ID_W_RESERVED4:
+ case PERIPH_ID_W_RESERVED5:
+ case PERIPH_ID_W_RESERVED6:
+ case PERIPH_ID_W_RESERVED7:
+ case PERIPH_ID_W_RESERVED9:
+ case PERIPH_ID_W_RESERVED10:
+ case PERIPH_ID_W_RESERVED11:
+ case PERIPH_ID_W_RESERVED12:
+ case PERIPH_ID_W_RESERVED13:
+ case PERIPH_ID_W_RESERVED15:
+ case PERIPH_ID_W_RESERVED16:
+ case PERIPH_ID_W_RESERVED17:
+ case PERIPH_ID_W_RESERVED18:
+ case PERIPH_ID_W_RESERVED19:
+ case PERIPH_ID_W_RESERVED20:
+ case PERIPH_ID_W_RESERVED23:
+ case PERIPH_ID_W_RESERVED29:
+ case PERIPH_ID_W_RESERVED30:
+ case PERIPH_ID_W_RESERVED31:
+ return PERIPH_ID_NONE;
+ default:
+ return clk_id;
+ }
+}
+#endif /* CONFIG_OF_CONTROL */
+
+void clock_early_init(void)
+{
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+
+ tegra30_set_up_pllp();
+
+ /*
+ * PLLC output frequency set to 600Mhz
+ * PLLD output frequency set to 925Mhz
+ */
+ switch (clock_get_osc_freq()) {
+ case CLOCK_OSC_FREQ_12_0: /* OSC is 12Mhz */
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 12, 0, 8);
+ clock_set_rate(CLOCK_ID_DISPLAY, 925, 12, 0, 12);
+ break;
+
+ case CLOCK_OSC_FREQ_26_0: /* OSC is 26Mhz */
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 26, 0, 8);
+ clock_set_rate(CLOCK_ID_DISPLAY, 925, 26, 0, 12);
+ break;
+
+ case CLOCK_OSC_FREQ_13_0: /* OSC is 13Mhz */
+ clock_set_rate(CLOCK_ID_CGENERAL, 600, 13, 0, 8);
+ clock_set_rate(CLOCK_ID_DISPLAY, 925, 13, 0, 12);
+ break;
+ case CLOCK_OSC_FREQ_19_2:
+ default:
+ /*
+ * These are not supported. It is too early to print a
+ * message and the UART likely won't work anyway due to the
+ * oscillator being wrong.
+ */
+ break;
+ }
+
+ /* PLLC_MISC2: Set dynramp_stepA/B. MISC2 maps to pll_out[1] */
+ writel(0x00561600, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_out[1]);
+
+ /* PLLC_MISC: Set LOCK_ENABLE */
+ writel(0x01000000, &clkrst->crc_pll[CLOCK_ID_CGENERAL].pll_misc);
+ udelay(2);
+
+ /* PLLD_MISC: Set CLKENABLE, CPCON 12, LFCON 1 */
+ writel(0x40000C10, &clkrst->crc_pll[CLOCK_ID_DISPLAY].pll_misc);
+ udelay(2);
+}
+
+void arch_timer_init(void)
+{
+ struct sysctr_ctlr *sysctr = (struct sysctr_ctlr *)NV_PA_TSC_BASE;
+ u32 freq, val;
+
+ freq = clock_get_rate(CLOCK_ID_OSC);
+ debug("%s: osc freq is %dHz [0x%08X]\n", __func__, freq, freq);
+
+ /* ARM CNTFRQ */
+ asm("mcr p15, 0, %0, c14, c0, 0\n" : : "r" (freq));
+
+ /* Only Tegra114+ has the System Counter regs */
+ debug("%s: setting CNTFID0 to 0x%08X\n", __func__, freq);
+ writel(freq, &sysctr->cntfid0);
+
+ val = readl(&sysctr->cntcr);
+ val |= TSC_CNTCR_ENABLE | TSC_CNTCR_HDBG;
+ writel(val, &sysctr->cntcr);
+ debug("%s: TSC CNTCR = 0x%08X\n", __func__, val);
+}
+
+#define PLLE_SS_CNTL 0x68
+#define PLLE_SS_CNTL_SSCINCINTR(x) (((x) & 0x3f) << 24)
+#define PLLE_SS_CNTL_SSCINC(x) (((x) & 0xff) << 16)
+#define PLLE_SS_CNTL_SSCINVERT (1 << 15)
+#define PLLE_SS_CNTL_SSCCENTER (1 << 14)
+#define PLLE_SS_CNTL_SSCBYP (1 << 12)
+#define PLLE_SS_CNTL_INTERP_RESET (1 << 11)
+#define PLLE_SS_CNTL_BYPASS_SS (1 << 10)
+#define PLLE_SS_CNTL_SSCMAX(x) (((x) & 0x1ff) << 0)
+
+#define PLLE_BASE 0x0e8
+#define PLLE_BASE_ENABLE (1 << 30)
+#define PLLE_BASE_LOCK_OVERRIDE (1 << 29)
+#define PLLE_BASE_PLDIV_CML(x) (((x) & 0xf) << 24)
+#define PLLE_BASE_NDIV(x) (((x) & 0xff) << 8)
+#define PLLE_BASE_MDIV(x) (((x) & 0xff) << 0)
+
+#define PLLE_MISC 0x0ec
+#define PLLE_MISC_IDDQ_SWCTL (1 << 14)
+#define PLLE_MISC_IDDQ_OVERRIDE (1 << 13)
+#define PLLE_MISC_LOCK_ENABLE (1 << 9)
+#define PLLE_MISC_PTS (1 << 8)
+#define PLLE_MISC_VREG_BG_CTRL(x) (((x) & 0x3) << 4)
+#define PLLE_MISC_VREG_CTRL(x) (((x) & 0x3) << 2)
+
+#define PLLE_AUX 0x48c
+#define PLLE_AUX_SEQ_ENABLE (1 << 24)
+#define PLLE_AUX_ENABLE_SWCTL (1 << 4)
+
+int tegra_plle_enable(void)
+{
+ unsigned int m = 1, n = 200, cpcon = 13;
+ u32 value;
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
+ value &= ~PLLE_BASE_LOCK_OVERRIDE;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_AUX);
+ value |= PLLE_AUX_ENABLE_SWCTL;
+ value &= ~PLLE_AUX_SEQ_ENABLE;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_AUX);
+
+ udelay(1);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_MISC);
+ value |= PLLE_MISC_IDDQ_SWCTL;
+ value &= ~PLLE_MISC_IDDQ_OVERRIDE;
+ value |= PLLE_MISC_LOCK_ENABLE;
+ value |= PLLE_MISC_PTS;
+ value |= PLLE_MISC_VREG_BG_CTRL(3);
+ value |= PLLE_MISC_VREG_CTRL(2);
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_MISC);
+
+ udelay(5);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+ value |= PLLE_SS_CNTL_SSCBYP | PLLE_SS_CNTL_INTERP_RESET |
+ PLLE_SS_CNTL_BYPASS_SS;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
+ value &= ~PLLE_BASE_PLDIV_CML(0xf);
+ value &= ~PLLE_BASE_NDIV(0xff);
+ value &= ~PLLE_BASE_MDIV(0xff);
+ value |= PLLE_BASE_PLDIV_CML(cpcon);
+ value |= PLLE_BASE_NDIV(n);
+ value |= PLLE_BASE_MDIV(m);
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
+
+ udelay(1);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_BASE);
+ value |= PLLE_BASE_ENABLE;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_BASE);
+
+ /* wait for lock */
+ udelay(300);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+ value &= ~PLLE_SS_CNTL_SSCINVERT;
+ value &= ~PLLE_SS_CNTL_SSCCENTER;
+
+ value &= ~PLLE_SS_CNTL_SSCINCINTR(0x3f);
+ value &= ~PLLE_SS_CNTL_SSCINC(0xff);
+ value &= ~PLLE_SS_CNTL_SSCMAX(0x1ff);
+
+ value |= PLLE_SS_CNTL_SSCINCINTR(0x20);
+ value |= PLLE_SS_CNTL_SSCINC(0x01);
+ value |= PLLE_SS_CNTL_SSCMAX(0x25);
+
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+ value &= ~PLLE_SS_CNTL_SSCBYP;
+ value &= ~PLLE_SS_CNTL_BYPASS_SS;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+
+ udelay(1);
+
+ value = readl(NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+ value &= ~PLLE_SS_CNTL_INTERP_RESET;
+ writel(value, NV_PA_CLK_RST_BASE + PLLE_SS_CNTL);
+
+ udelay(1);
+
+ return 0;
+}
diff --git a/arch/arm/mach-tegra/tegra124/cpu.c b/arch/arm/mach-tegra/tegra124/cpu.c
new file mode 100644
index 0000000000..974f203f12
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra124/cpu.c
@@ -0,0 +1,265 @@
+/*
+ * (C) Copyright 2013
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/ahb.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/flow.h>
+#include <asm/arch/pinmux.h>
+#include <asm/arch/tegra.h>
+#include <asm/arch-tegra/clk_rst.h>
+#include <asm/arch-tegra/pmc.h>
+#include <asm/arch-tegra/ap.h>
+#include "../cpu.h"
+
+/* Tegra124-specific CPU init code */
+
+static void enable_cpu_power_rail(void)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ debug("enable_cpu_power_rail entry\n");
+
+ /* un-tristate PWR_I2C SCL/SDA, rest of the defaults are correct */
+ pinmux_tristate_disable(PMUX_PINGRP_PWR_I2C_SCL_PZ6);
+ pinmux_tristate_disable(PMUX_PINGRP_PWR_I2C_SDA_PZ7);
+
+ pmic_enable_cpu_vdd();
+
+ /*
+ * Set CPUPWRGOOD_TIMER - APB clock is 1/2 of SCLK (102MHz),
+ * set it for 5ms as per SysEng (102MHz*5ms = 510000 (7C830h).
+ */
+ writel(0x7C830, &pmc->pmc_cpupwrgood_timer);
+
+ /* Set polarity to 0 (normal) and enable CPUPWRREQ_OE */
+ clrbits_le32(&pmc->pmc_cntrl, CPUPWRREQ_POL);
+ setbits_le32(&pmc->pmc_cntrl, CPUPWRREQ_OE);
+}
+
+static void enable_cpu_clocks(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ debug("enable_cpu_clocks entry\n");
+
+ /* Wait for PLL-X to lock */
+ do {
+ reg = readl(&clkrst->crc_pll_simple[SIMPLE_PLLX].pll_base);
+ debug("%s: PLLX base = 0x%08X\n", __func__, reg);
+ } while ((reg & PLL_LOCK_MASK) == 0);
+
+ debug("%s: PLLX locked, delay for stable clocks\n", __func__);
+ /* Wait until all clocks are stable */
+ udelay(PLL_STABILIZATION_DELAY);
+
+ debug("%s: Setting CCLK_BURST and DIVIDER\n", __func__);
+ writel(CCLK_BURST_POLICY, &clkrst->crc_cclk_brst_pol);
+ writel(SUPER_CCLK_DIVIDER, &clkrst->crc_super_cclk_div);
+
+ debug("%s: Enabling clock to all CPUs\n", __func__);
+ /* Enable the clock to all CPUs */
+ reg = CLR_CPU3_CLK_STP | CLR_CPU2_CLK_STP | CLR_CPU1_CLK_STP |
+ CLR_CPU0_CLK_STP;
+ writel(reg, &clkrst->crc_clk_cpu_cmplx_clr);
+
+ debug("%s: Enabling main CPU complex clocks\n", __func__);
+ /* Always enable the main CPU complex clocks */
+ clock_enable(PERIPH_ID_CPU);
+ clock_enable(PERIPH_ID_CPULP);
+ clock_enable(PERIPH_ID_CPUG);
+
+ debug("%s: Done\n", __func__);
+}
+
+static void remove_cpu_resets(void)
+{
+ struct clk_rst_ctlr *clkrst = (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 reg;
+
+ debug("remove_cpu_resets entry\n");
+
+ /* Take the slow and fast partitions out of reset */
+ reg = CLR_NONCPURESET;
+ writel(reg, &clkrst->crc_rst_cpulp_cmplx_clr);
+ writel(reg, &clkrst->crc_rst_cpug_cmplx_clr);
+
+ /* Clear the SW-controlled reset of the slow cluster */
+ reg = CLR_CPURESET0 | CLR_DBGRESET0 | CLR_CORERESET0 | CLR_CXRESET0 |
+ CLR_L2RESET | CLR_PRESETDBG;
+ writel(reg, &clkrst->crc_rst_cpulp_cmplx_clr);
+
+ /* Clear the SW-controlled reset of the fast cluster */
+ reg = CLR_CPURESET0 | CLR_DBGRESET0 | CLR_CORERESET0 | CLR_CXRESET0 |
+ CLR_CPURESET1 | CLR_DBGRESET1 | CLR_CORERESET1 | CLR_CXRESET1 |
+ CLR_CPURESET2 | CLR_DBGRESET2 | CLR_CORERESET2 | CLR_CXRESET2 |
+ CLR_CPURESET3 | CLR_DBGRESET3 | CLR_CORERESET3 | CLR_CXRESET3 |
+ CLR_L2RESET | CLR_PRESETDBG;
+ writel(reg, &clkrst->crc_rst_cpug_cmplx_clr);
+}
+
+/**
+ * The Tegra124 requires some special clock initialization, including setting up
+ * the DVC I2C, turning on MSELECT and selecting the G CPU cluster
+ */
+void tegra124_init_clocks(void)
+{
+ struct flow_ctlr *flow = (struct flow_ctlr *)NV_PA_FLOW_BASE;
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ struct clk_rst_ctlr *clkrst =
+ (struct clk_rst_ctlr *)NV_PA_CLK_RST_BASE;
+ u32 val;
+
+ debug("tegra124_init_clocks entry\n");
+
+ /* Set active CPU cluster to G */
+ clrbits_le32(&flow->cluster_control, 1);
+
+ /* Change the oscillator drive strength */
+ val = readl(&clkrst->crc_osc_ctrl);
+ val &= ~OSC_XOFS_MASK;
+ val |= (OSC_DRIVE_STRENGTH << OSC_XOFS_SHIFT);
+ writel(val, &clkrst->crc_osc_ctrl);
+
+ /* Update same value in PMC_OSC_EDPD_OVER XOFS field for warmboot */
+ val = readl(&pmc->pmc_osc_edpd_over);
+ val &= ~PMC_XOFS_MASK;
+ val |= (OSC_DRIVE_STRENGTH << PMC_XOFS_SHIFT);
+ writel(val, &pmc->pmc_osc_edpd_over);
+
+ /* Set HOLD_CKE_LOW_EN to 1 */
+ setbits_le32(&pmc->pmc_cntrl2, HOLD_CKE_LOW_EN);
+
+ debug("Setting up PLLX\n");
+ init_pllx();
+
+ val = (1 << CLK_SYS_RATE_AHB_RATE_SHIFT);
+ writel(val, &clkrst->crc_clk_sys_rate);
+
+ /* Enable clocks to required peripherals. TBD - minimize this list */
+ debug("Enabling clocks\n");
+
+ clock_set_enable(PERIPH_ID_CACHE2, 1);
+ clock_set_enable(PERIPH_ID_GPIO, 1);
+ clock_set_enable(PERIPH_ID_TMR, 1);
+ clock_set_enable(PERIPH_ID_CPU, 1);
+ clock_set_enable(PERIPH_ID_EMC, 1);
+ clock_set_enable(PERIPH_ID_I2C5, 1);
+ clock_set_enable(PERIPH_ID_APBDMA, 1);
+ clock_set_enable(PERIPH_ID_MEM, 1);
+ clock_set_enable(PERIPH_ID_CORESIGHT, 1);
+ clock_set_enable(PERIPH_ID_MSELECT, 1);
+ clock_set_enable(PERIPH_ID_DVFS, 1);
+
+ /*
+ * Set MSELECT clock source as PLLP (00), and ask for a clock
+ * divider that would set the MSELECT clock at 102MHz for a
+ * PLLP base of 408MHz.
+ */
+ clock_ll_set_source_divisor(PERIPH_ID_MSELECT, 0,
+ CLK_DIVIDER(NVBL_PLLP_KHZ, 102000));
+
+ /* Give clock time to stabilize */
+ udelay(IO_STABILIZATION_DELAY);
+
+ /* I2C5 (DVC) gets CLK_M and a divisor of 17 */
+ clock_ll_set_source_divisor(PERIPH_ID_I2C5, 3, 16);
+
+ /* Give clock time to stabilize */
+ udelay(IO_STABILIZATION_DELAY);
+
+ /* Take required peripherals out of reset */
+ debug("Taking periphs out of reset\n");
+ reset_set_enable(PERIPH_ID_CACHE2, 0);
+ reset_set_enable(PERIPH_ID_GPIO, 0);
+ reset_set_enable(PERIPH_ID_TMR, 0);
+ reset_set_enable(PERIPH_ID_COP, 0);
+ reset_set_enable(PERIPH_ID_EMC, 0);
+ reset_set_enable(PERIPH_ID_I2C5, 0);
+ reset_set_enable(PERIPH_ID_APBDMA, 0);
+ reset_set_enable(PERIPH_ID_MEM, 0);
+ reset_set_enable(PERIPH_ID_CORESIGHT, 0);
+ reset_set_enable(PERIPH_ID_MSELECT, 0);
+ reset_set_enable(PERIPH_ID_DVFS, 0);
+
+ debug("tegra124_init_clocks exit\n");
+}
+
+static bool is_partition_powered(u32 partid)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+ u32 reg;
+
+ /* Get power gate status */
+ reg = readl(&pmc->pmc_pwrgate_status);
+ return !!(reg & (1 << partid));
+}
+
+static void power_partition(u32 partid)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ debug("%s: part ID = %08X\n", __func__, partid);
+ /* Is the partition already on? */
+ if (!is_partition_powered(partid)) {
+ /* No, toggle the partition power state (OFF -> ON) */
+ debug("power_partition, toggling state\n");
+ writel(START_CP | partid, &pmc->pmc_pwrgate_toggle);
+
+ /* Wait for the power to come up */
+ while (!is_partition_powered(partid))
+ ;
+
+ /* Give I/O signals time to stabilize */
+ udelay(IO_STABILIZATION_DELAY);
+ }
+}
+
+void powerup_cpus(void)
+{
+ debug("powerup_cpus entry\n");
+
+ /* We boot to the fast cluster */
+ debug("powerup_cpus entry: G cluster\n");
+
+ /* Power up the fast cluster rail partition */
+ debug("powerup_cpus: CRAIL\n");
+ power_partition(CRAIL);
+
+ /* Power up the fast cluster non-CPU partition */
+ debug("powerup_cpus: C0NC\n");
+ power_partition(C0NC);
+
+ /* Power up the fast cluster CPU0 partition */
+ debug("powerup_cpus: CE0\n");
+ power_partition(CE0);
+
+ debug("powerup_cpus: done\n");
+}
+
+void start_cpu(u32 reset_vector)
+{
+ struct pmc_ctlr *pmc = (struct pmc_ctlr *)NV_PA_PMC_BASE;
+
+ debug("start_cpu entry, reset_vector = %x\n", reset_vector);
+
+ tegra124_init_clocks();
+
+ /* Set power-gating timer multiplier */
+ writel((MULT_8 << TIMER_MULT_SHIFT) | (MULT_8 << TIMER_MULT_CPU_SHIFT),
+ &pmc->pmc_pwrgate_timer_mult);
+
+ enable_cpu_power_rail();
+ enable_cpu_clocks();
+ clock_enable_coresight(1);
+ remove_cpu_resets();
+ writel(reset_vector, EXCEP_VECTOR_CPU_RESET_VECTOR);
+ powerup_cpus();
+ debug("start_cpu exit, should continue @ reset_vector\n");
+}
diff --git a/arch/arm/mach-tegra/tegra124/funcmux.c b/arch/arm/mach-tegra/tegra124/funcmux.c
new file mode 100644
index 0000000000..cced787e6b
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra124/funcmux.c
@@ -0,0 +1,71 @@
+/*
+ * (C) Copyright 2013
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+/* Tegra124 high-level function multiplexing */
+
+#include <common.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/funcmux.h>
+#include <asm/arch/pinmux.h>
+
+int funcmux_select(enum periph_id id, int config)
+{
+ int bad_config = config != FUNCMUX_DEFAULT;
+
+ switch (id) {
+ case PERIPH_ID_UART4:
+ switch (config) {
+ case FUNCMUX_UART4_GPIO: /* TXD,RXD,CTS,RTS */
+ pinmux_set_func(PMUX_PINGRP_PJ7, PMUX_FUNC_UARTD);
+ pinmux_set_func(PMUX_PINGRP_PB0, PMUX_FUNC_UARTD);
+ pinmux_set_func(PMUX_PINGRP_PB1, PMUX_FUNC_UARTD);
+ pinmux_set_func(PMUX_PINGRP_PK7, PMUX_FUNC_UARTD);
+
+ pinmux_set_io(PMUX_PINGRP_PJ7, PMUX_PIN_OUTPUT);
+ pinmux_set_io(PMUX_PINGRP_PB0, PMUX_PIN_INPUT);
+ pinmux_set_io(PMUX_PINGRP_PB1, PMUX_PIN_INPUT);
+ pinmux_set_io(PMUX_PINGRP_PK7, PMUX_PIN_OUTPUT);
+
+ pinmux_tristate_disable(PMUX_PINGRP_PJ7);
+ pinmux_tristate_disable(PMUX_PINGRP_PB0);
+ pinmux_tristate_disable(PMUX_PINGRP_PB1);
+ pinmux_tristate_disable(PMUX_PINGRP_PK7);
+ break;
+ }
+ break;
+
+ case PERIPH_ID_UART1:
+ switch (config) {
+ case FUNCMUX_UART1_KBC:
+ pinmux_set_func(PMUX_PINGRP_KB_ROW9_PS1,
+ PMUX_FUNC_UARTA);
+ pinmux_set_func(PMUX_PINGRP_KB_ROW10_PS2,
+ PMUX_FUNC_UARTA);
+
+ pinmux_set_io(PMUX_PINGRP_KB_ROW9_PS1, PMUX_PIN_OUTPUT);
+ pinmux_set_io(PMUX_PINGRP_KB_ROW10_PS2, PMUX_PIN_INPUT);
+
+ pinmux_tristate_disable(PMUX_PINGRP_KB_ROW9_PS1);
+ pinmux_tristate_disable(PMUX_PINGRP_KB_ROW10_PS2);
+ break;
+ }
+ break;
+
+ /* Add other periph IDs here as needed */
+
+ default:
+ debug("%s: invalid periph_id %d", __func__, id);
+ return -1;
+ }
+
+ if (bad_config) {
+ debug("%s: invalid config %d for periph_id %d", __func__,
+ config, id);
+ return -1;
+ }
+ return 0;
+}
diff --git a/arch/arm/mach-tegra/tegra124/pinmux.c b/arch/arm/mach-tegra/tegra124/pinmux.c
new file mode 100644
index 0000000000..c6685eaae1
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra124/pinmux.c
@@ -0,0 +1,306 @@
+/*
+ * Copyright (c) 2013-2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/pinmux.h>
+
+#define PIN(pin, f0, f1, f2, f3) \
+ { \
+ .funcs = { \
+ PMUX_FUNC_##f0, \
+ PMUX_FUNC_##f1, \
+ PMUX_FUNC_##f2, \
+ PMUX_FUNC_##f3, \
+ }, \
+ }
+
+#define PIN_RESERVED {}
+
+static const struct pmux_pingrp_desc tegra124_pingroups[] = {
+ /* pin, f0, f1, f2, f3 */
+ /* Offset 0x3000 */
+ PIN(ULPI_DATA0_PO1, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA1_PO2, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA2_PO3, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA3_PO4, SPI3, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA4_PO5, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA5_PO6, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA6_PO7, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_DATA7_PO0, SPI2, HSI, UARTA, ULPI),
+ PIN(ULPI_CLK_PY0, SPI1, SPI5, UARTD, ULPI),
+ PIN(ULPI_DIR_PY1, SPI1, SPI5, UARTD, ULPI),
+ PIN(ULPI_NXT_PY2, SPI1, SPI5, UARTD, ULPI),
+ PIN(ULPI_STP_PY3, SPI1, SPI5, UARTD, ULPI),
+ PIN(DAP3_FS_PP0, I2S2, SPI5, DISPLAYA, DISPLAYB),
+ PIN(DAP3_DIN_PP1, I2S2, SPI5, DISPLAYA, DISPLAYB),
+ PIN(DAP3_DOUT_PP2, I2S2, SPI5, DISPLAYA, RSVD4),
+ PIN(DAP3_SCLK_PP3, I2S2, SPI5, RSVD3, DISPLAYB),
+ PIN(PV0, RSVD1, RSVD2, RSVD3, RSVD4),
+ PIN(PV1, RSVD1, RSVD2, RSVD3, RSVD4),
+ PIN(SDMMC1_CLK_PZ0, SDMMC1, CLK12, RSVD3, RSVD4),
+ PIN(SDMMC1_CMD_PZ1, SDMMC1, SPDIF, SPI4, UARTA),
+ PIN(SDMMC1_DAT3_PY4, SDMMC1, SPDIF, SPI4, UARTA),
+ PIN(SDMMC1_DAT2_PY5, SDMMC1, PWM0, SPI4, UARTA),
+ PIN(SDMMC1_DAT1_PY6, SDMMC1, PWM1, SPI4, UARTA),
+ PIN(SDMMC1_DAT0_PY7, SDMMC1, RSVD2, SPI4, UARTA),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3068 */
+ PIN(CLK2_OUT_PW5, EXTPERIPH2, RSVD2, RSVD3, RSVD4),
+ PIN(CLK2_REQ_PCC5, DAP, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3110 */
+ PIN(HDMI_INT_PN7, RSVD1, RSVD2, RSVD3, RSVD4),
+ PIN(DDC_SCL_PV4, I2C4, RSVD2, RSVD3, RSVD4),
+ PIN(DDC_SDA_PV5, I2C4, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3164 */
+ PIN(UART2_RXD_PC3, IRDA, SPDIF, UARTA, SPI4),
+ PIN(UART2_TXD_PC2, IRDA, SPDIF, UARTA, SPI4),
+ PIN(UART2_RTS_N_PJ6, UARTA, UARTB, GMI, SPI4),
+ PIN(UART2_CTS_N_PJ5, UARTA, UARTB, GMI, SPI4),
+ PIN(UART3_TXD_PW6, UARTC, RSVD2, GMI, SPI4),
+ PIN(UART3_RXD_PW7, UARTC, RSVD2, GMI, SPI4),
+ PIN(UART3_CTS_N_PA1, UARTC, SDMMC1, DTV, GMI),
+ PIN(UART3_RTS_N_PC0, UARTC, PWM0, DTV, GMI),
+ PIN(PU0, OWR, UARTA, GMI, RSVD4),
+ PIN(PU1, RSVD1, UARTA, GMI, RSVD4),
+ PIN(PU2, RSVD1, UARTA, GMI, RSVD4),
+ PIN(PU3, PWM0, UARTA, GMI, DISPLAYB),
+ PIN(PU4, PWM1, UARTA, GMI, DISPLAYB),
+ PIN(PU5, PWM2, UARTA, GMI, DISPLAYB),
+ PIN(PU6, PWM3, UARTA, RSVD3, GMI),
+ PIN(GEN1_I2C_SDA_PC5, I2C1, RSVD2, RSVD3, RSVD4),
+ PIN(GEN1_I2C_SCL_PC4, I2C1, RSVD2, RSVD3, RSVD4),
+ PIN(DAP4_FS_PP4, I2S3, GMI, DTV, RSVD4),
+ PIN(DAP4_DIN_PP5, I2S3, GMI, RSVD3, RSVD4),
+ PIN(DAP4_DOUT_PP6, I2S3, GMI, DTV, RSVD4),
+ PIN(DAP4_SCLK_PP7, I2S3, GMI, RSVD3, RSVD4),
+ PIN(CLK3_OUT_PEE0, EXTPERIPH3, RSVD2, RSVD3, RSVD4),
+ PIN(CLK3_REQ_PEE1, DEV3, RSVD2, RSVD3, RSVD4),
+ PIN(PC7, RSVD1, RSVD2, GMI, GMI_ALT),
+ PIN(PI5, SDMMC2, RSVD2, GMI, RSVD4),
+ PIN(PI7, RSVD1, TRACE, GMI, DTV),
+ PIN(PK0, RSVD1, SDMMC3, GMI, SOC),
+ PIN(PK1, SDMMC2, TRACE, GMI, RSVD4),
+ PIN(PJ0, RSVD1, RSVD2, GMI, USB),
+ PIN(PJ2, RSVD1, RSVD2, GMI, SOC),
+ PIN(PK3, SDMMC2, TRACE, GMI, CCLA),
+ PIN(PK4, SDMMC2, RSVD2, GMI, GMI_ALT),
+ PIN(PK2, RSVD1, RSVD2, GMI, RSVD4),
+ PIN(PI3, RSVD1, RSVD2, GMI, SPI4),
+ PIN(PI6, RSVD1, RSVD2, GMI, SDMMC2),
+ PIN(PG0, RSVD1, RSVD2, GMI, RSVD4),
+ PIN(PG1, RSVD1, RSVD2, GMI, RSVD4),
+ PIN(PG2, RSVD1, TRACE, GMI, RSVD4),
+ PIN(PG3, RSVD1, TRACE, GMI, RSVD4),
+ PIN(PG4, RSVD1, TMDS, GMI, SPI4),
+ PIN(PG5, RSVD1, RSVD2, GMI, SPI4),
+ PIN(PG6, RSVD1, RSVD2, GMI, SPI4),
+ PIN(PG7, RSVD1, RSVD2, GMI, SPI4),
+ PIN(PH0, PWM0, TRACE, GMI, DTV),
+ PIN(PH1, PWM1, TMDS, GMI, DISPLAYA),
+ PIN(PH2, PWM2, TMDS, GMI, CLDVFS),
+ PIN(PH3, PWM3, SPI4, GMI, CLDVFS),
+ PIN(PH4, SDMMC2, RSVD2, GMI, RSVD4),
+ PIN(PH5, SDMMC2, RSVD2, GMI, RSVD4),
+ PIN(PH6, SDMMC2, TRACE, GMI, DTV),
+ PIN(PH7, SDMMC2, TRACE, GMI, DTV),
+ PIN(PJ7, UARTD, RSVD2, GMI, GMI_ALT),
+ PIN(PB0, UARTD, RSVD2, GMI, RSVD4),
+ PIN(PB1, UARTD, RSVD2, GMI, RSVD4),
+ PIN(PK7, UARTD, RSVD2, GMI, RSVD4),
+ PIN(PI0, RSVD1, RSVD2, GMI, RSVD4),
+ PIN(PI1, RSVD1, RSVD2, GMI, RSVD4),
+ PIN(PI2, SDMMC2, TRACE, GMI, RSVD4),
+ PIN(PI4, SPI4, TRACE, GMI, DISPLAYA),
+ PIN(GEN2_I2C_SCL_PT5, I2C2, RSVD2, GMI, RSVD4),
+ PIN(GEN2_I2C_SDA_PT6, I2C2, RSVD2, GMI, RSVD4),
+ PIN(SDMMC4_CLK_PCC4, SDMMC4, RSVD2, GMI, RSVD4),
+ PIN(SDMMC4_CMD_PT7, SDMMC4, RSVD2, GMI, RSVD4),
+ PIN(SDMMC4_DAT0_PAA0, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT1_PAA1, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT2_PAA2, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT3_PAA3, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT4_PAA4, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT5_PAA5, SDMMC4, SPI3, RSVD3, RSVD4),
+ PIN(SDMMC4_DAT6_PAA6, SDMMC4, SPI3, GMI, RSVD4),
+ PIN(SDMMC4_DAT7_PAA7, SDMMC4, RSVD2, GMI, RSVD4),
+ PIN_RESERVED,
+ /* Offset 0x3284 */
+ PIN(CAM_MCLK_PCC0, VI, VI_ALT1, VI_ALT3, SDMMC2),
+ PIN(PCC1, I2S4, RSVD2, RSVD3, SDMMC2),
+ PIN(PBB0, VGP6, VIMCLK2, SDMMC2, VIMCLK2_ALT),
+ PIN(CAM_I2C_SCL_PBB1, VGP1, I2C3, RSVD3, SDMMC2),
+ PIN(CAM_I2C_SDA_PBB2, VGP2, I2C3, RSVD3, SDMMC2),
+ PIN(PBB3, VGP3, DISPLAYA, DISPLAYB, SDMMC2),
+ PIN(PBB4, VGP4, DISPLAYA, DISPLAYB, SDMMC2),
+ PIN(PBB5, VGP5, DISPLAYA, RSVD3, SDMMC2),
+ PIN(PBB6, I2S4, RSVD2, DISPLAYB, SDMMC2),
+ PIN(PBB7, I2S4, RSVD2, RSVD3, SDMMC2),
+ PIN(PCC2, I2S4, RSVD2, SDMMC3, SDMMC2),
+ PIN(JTAG_RTCK, RTCK, RSVD2, RSVD3, RSVD4),
+ PIN(PWR_I2C_SCL_PZ6, I2CPWR, RSVD2, RSVD3, RSVD4),
+ PIN(PWR_I2C_SDA_PZ7, I2CPWR, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW0_PR0, KBC, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW1_PR1, KBC, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW2_PR2, KBC, RSVD2, RSVD3, RSVD4),
+ PIN(KB_ROW3_PR3, KBC, DISPLAYA, SYS, DISPLAYB),
+ PIN(KB_ROW4_PR4, KBC, DISPLAYA, RSVD3, DISPLAYB),
+ PIN(KB_ROW5_PR5, KBC, DISPLAYA, RSVD3, DISPLAYB),
+ PIN(KB_ROW6_PR6, KBC, DISPLAYA, DISPLAYA_ALT, DISPLAYB),
+ PIN(KB_ROW7_PR7, KBC, RSVD2, CLDVFS, UARTA),
+ PIN(KB_ROW8_PS0, KBC, RSVD2, CLDVFS, UARTA),
+ PIN(KB_ROW9_PS1, KBC, RSVD2, RSVD3, UARTA),
+ PIN(KB_ROW10_PS2, KBC, RSVD2, RSVD3, UARTA),
+ PIN(KB_ROW11_PS3, KBC, RSVD2, RSVD3, IRDA),
+ PIN(KB_ROW12_PS4, KBC, RSVD2, RSVD3, IRDA),
+ PIN(KB_ROW13_PS5, KBC, RSVD2, SPI2, RSVD4),
+ PIN(KB_ROW14_PS6, KBC, RSVD2, SPI2, RSVD4),
+ PIN(KB_ROW15_PS7, KBC, SOC, RSVD3, RSVD4),
+ PIN(KB_COL0_PQ0, KBC, RSVD2, SPI2, RSVD4),
+ PIN(KB_COL1_PQ1, KBC, RSVD2, SPI2, RSVD4),
+ PIN(KB_COL2_PQ2, KBC, RSVD2, SPI2, RSVD4),
+ PIN(KB_COL3_PQ3, KBC, DISPLAYA, PWM2, UARTA),
+ PIN(KB_COL4_PQ4, KBC, OWR, SDMMC3, UARTA),
+ PIN(KB_COL5_PQ5, KBC, RSVD2, SDMMC3, RSVD4),
+ PIN(KB_COL6_PQ6, KBC, RSVD2, SPI2, UARTD),
+ PIN(KB_COL7_PQ7, KBC, RSVD2, SPI2, UARTD),
+ PIN(CLK_32K_OUT_PA0, BLINK, SOC, RSVD3, RSVD4),
+ PIN_RESERVED,
+ /* Offset 0x3324 */
+ PIN(CORE_PWR_REQ, PWRON, RSVD2, RSVD3, RSVD4),
+ PIN(CPU_PWR_REQ, CPU, RSVD2, RSVD3, RSVD4),
+ PIN(PWR_INT_N, PMI, RSVD2, RSVD3, RSVD4),
+ PIN(CLK_32K_IN, CLK, RSVD2, RSVD3, RSVD4),
+ PIN(OWR, OWR, RSVD2, RSVD3, RSVD4),
+ PIN(DAP1_FS_PN0, I2S0, HDA, GMI, RSVD4),
+ PIN(DAP1_DIN_PN1, I2S0, HDA, GMI, RSVD4),
+ PIN(DAP1_DOUT_PN2, I2S0, HDA, GMI, SATA),
+ PIN(DAP1_SCLK_PN3, I2S0, HDA, GMI, RSVD4),
+ PIN(DAP_MCLK1_REQ_PEE2, DAP, DAP1, SATA, RSVD4),
+ PIN(DAP_MCLK1_PW4, EXTPERIPH1, DAP2, RSVD3, RSVD4),
+ PIN(SPDIF_IN_PK6, SPDIF, RSVD2, RSVD3, I2C3),
+ PIN(SPDIF_OUT_PK5, SPDIF, RSVD2, RSVD3, I2C3),
+ PIN(DAP2_FS_PA2, I2S1, HDA, GMI, RSVD4),
+ PIN(DAP2_DIN_PA4, I2S1, HDA, GMI, RSVD4),
+ PIN(DAP2_DOUT_PA5, I2S1, HDA, GMI, RSVD4),
+ PIN(DAP2_SCLK_PA3, I2S1, HDA, GMI, RSVD4),
+ PIN(DVFS_PWM_PX0, SPI6, CLDVFS, GMI, RSVD4),
+ PIN(GPIO_X1_AUD_PX1, SPI6, RSVD2, GMI, RSVD4),
+ PIN(GPIO_X3_AUD_PX3, SPI6, SPI1, GMI, RSVD4),
+ PIN(DVFS_CLK_PX2, SPI6, CLDVFS, GMI, RSVD4),
+ PIN(GPIO_X4_AUD_PX4, GMI, SPI1, SPI2, DAP2),
+ PIN(GPIO_X5_AUD_PX5, GMI, SPI1, SPI2, RSVD4),
+ PIN(GPIO_X6_AUD_PX6, SPI6, SPI1, SPI2, GMI),
+ PIN(GPIO_X7_AUD_PX7, RSVD1, SPI1, SPI2, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3390 */
+ PIN(SDMMC3_CLK_PA6, SDMMC3, RSVD2, RSVD3, SPI3),
+ PIN(SDMMC3_CMD_PA7, SDMMC3, PWM3, UARTA, SPI3),
+ PIN(SDMMC3_DAT0_PB7, SDMMC3, RSVD2, RSVD3, SPI3),
+ PIN(SDMMC3_DAT1_PB6, SDMMC3, PWM2, UARTA, SPI3),
+ PIN(SDMMC3_DAT2_PB5, SDMMC3, PWM1, DISPLAYA, SPI3),
+ PIN(SDMMC3_DAT3_PB4, SDMMC3, PWM0, DISPLAYB, SPI3),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x33bc */
+ PIN(PEX_L0_RST_N_PDD1, PE0, RSVD2, RSVD3, RSVD4),
+ PIN(PEX_L0_CLKREQ_N_PDD2, PE0, RSVD2, RSVD3, RSVD4),
+ PIN(PEX_WAKE_N_PDD3, PE, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED,
+ /* Offset 0x33cc */
+ PIN(PEX_L1_RST_N_PDD5, PE1, RSVD2, RSVD3, RSVD4),
+ PIN(PEX_L1_CLKREQ_N_PDD6, PE1, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x33e0 */
+ PIN(HDMI_CEC_PEE3, CEC, RSVD2, RSVD3, RSVD4),
+ PIN(SDMMC1_WP_N_PV3, SDMMC1, CLK12, SPI4, UARTA),
+ PIN(SDMMC3_CD_N_PV2, SDMMC3, OWR, RSVD3, RSVD4),
+ PIN(GPIO_W2_AUD_PW2, SPI6, RSVD2, SPI2, I2C1),
+ PIN(GPIO_W3_AUD_PW3, SPI6, SPI1, SPI2, I2C1),
+ PIN(USB_VBUS_EN0_PN4, USB, RSVD2, RSVD3, RSVD4),
+ PIN(USB_VBUS_EN1_PN5, USB, RSVD2, RSVD3, RSVD4),
+ PIN(SDMMC3_CLK_LB_IN_PEE5, SDMMC3, RSVD2, RSVD3, RSVD4),
+ PIN(SDMMC3_CLK_LB_OUT_PEE4, SDMMC3, RSVD2, RSVD3, RSVD4),
+ PIN(GMI_CLK_LB, SDMMC2, RSVD2, GMI, RSVD4),
+ PIN(RESET_OUT_N, RSVD1, RSVD2, RSVD3, RESET_OUT_N),
+ PIN(KB_ROW16_PT0, KBC, RSVD2, RSVD3, UARTC),
+ PIN(KB_ROW17_PT1, KBC, RSVD2, RSVD3, UARTC),
+ PIN(USB_VBUS_EN2_PFF1, USB, RSVD2, RSVD3, RSVD4),
+ PIN(PFF2, SATA, RSVD2, RSVD3, RSVD4),
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ PIN_RESERVED,
+ /* Offset 0x3430 */
+ PIN(DP_HPD_PFF0, DP, RSVD2, RSVD3, RSVD4),
+};
+const struct pmux_pingrp_desc *tegra_soc_pingroups = tegra124_pingroups;
diff --git a/arch/arm/mach-tegra/tegra124/xusb-padctl.c b/arch/arm/mach-tegra/tegra124/xusb-padctl.c
new file mode 100644
index 0000000000..43af883f2c
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra124/xusb-padctl.c
@@ -0,0 +1,716 @@
+/*
+ * Copyright (c) 2014, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#define pr_fmt(fmt) "tegra-xusb-padctl: " fmt
+
+#include <common.h>
+#include <errno.h>
+#include <fdtdec.h>
+#include <malloc.h>
+
+#include <asm/io.h>
+
+#include <asm/arch/clock.h>
+#include <asm/arch-tegra/xusb-padctl.h>
+
+#include <dt-bindings/pinctrl/pinctrl-tegra-xusb.h>
+
+#define XUSB_PADCTL_ELPG_PROGRAM 0x01c
+#define XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_VCORE_DOWN (1 << 26)
+#define XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN_EARLY (1 << 25)
+#define XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN (1 << 24)
+
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1 0x040
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL0_LOCKDET (1 << 19)
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1_REFCLK_SEL_MASK (0xf << 12)
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL_RST (1 << 1)
+
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2 0x044
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2_REFCLKBUF_EN (1 << 6)
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_EN (1 << 5)
+#define XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_SEL (1 << 4)
+
+#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1 0x138
+#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_LOCKDET (1 << 27)
+#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_MODE (1 << 24)
+#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_PWR_OVRD (1 << 3)
+#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_RST (1 << 1)
+#define XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_IDDQ (1 << 0)
+
+#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1 0x148
+#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ_OVRD (1 << 1)
+#define XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ (1 << 0)
+
+enum tegra124_function {
+ TEGRA124_FUNC_SNPS,
+ TEGRA124_FUNC_XUSB,
+ TEGRA124_FUNC_UART,
+ TEGRA124_FUNC_PCIE,
+ TEGRA124_FUNC_USB3,
+ TEGRA124_FUNC_SATA,
+ TEGRA124_FUNC_RSVD,
+};
+
+static const char *const tegra124_functions[] = {
+ "snps",
+ "xusb",
+ "uart",
+ "pcie",
+ "usb3",
+ "sata",
+ "rsvd",
+};
+
+static const unsigned int tegra124_otg_functions[] = {
+ TEGRA124_FUNC_SNPS,
+ TEGRA124_FUNC_XUSB,
+ TEGRA124_FUNC_UART,
+ TEGRA124_FUNC_RSVD,
+};
+
+static const unsigned int tegra124_usb_functions[] = {
+ TEGRA124_FUNC_SNPS,
+ TEGRA124_FUNC_XUSB,
+};
+
+static const unsigned int tegra124_pci_functions[] = {
+ TEGRA124_FUNC_PCIE,
+ TEGRA124_FUNC_USB3,
+ TEGRA124_FUNC_SATA,
+ TEGRA124_FUNC_RSVD,
+};
+
+struct tegra_xusb_padctl_lane {
+ const char *name;
+
+ unsigned int offset;
+ unsigned int shift;
+ unsigned int mask;
+ unsigned int iddq;
+
+ const unsigned int *funcs;
+ unsigned int num_funcs;
+};
+
+#define TEGRA124_LANE(_name, _offset, _shift, _mask, _iddq, _funcs) \
+ { \
+ .name = _name, \
+ .offset = _offset, \
+ .shift = _shift, \
+ .mask = _mask, \
+ .iddq = _iddq, \
+ .num_funcs = ARRAY_SIZE(tegra124_##_funcs##_functions), \
+ .funcs = tegra124_##_funcs##_functions, \
+ }
+
+static const struct tegra_xusb_padctl_lane tegra124_lanes[] = {
+ TEGRA124_LANE("otg-0", 0x004, 0, 0x3, 0, otg),
+ TEGRA124_LANE("otg-1", 0x004, 2, 0x3, 0, otg),
+ TEGRA124_LANE("otg-2", 0x004, 4, 0x3, 0, otg),
+ TEGRA124_LANE("ulpi-0", 0x004, 12, 0x1, 0, usb),
+ TEGRA124_LANE("hsic-0", 0x004, 14, 0x1, 0, usb),
+ TEGRA124_LANE("hsic-1", 0x004, 15, 0x1, 0, usb),
+ TEGRA124_LANE("pcie-0", 0x134, 16, 0x3, 1, pci),
+ TEGRA124_LANE("pcie-1", 0x134, 18, 0x3, 2, pci),
+ TEGRA124_LANE("pcie-2", 0x134, 20, 0x3, 3, pci),
+ TEGRA124_LANE("pcie-3", 0x134, 22, 0x3, 4, pci),
+ TEGRA124_LANE("pcie-4", 0x134, 24, 0x3, 5, pci),
+ TEGRA124_LANE("sata-0", 0x134, 26, 0x3, 6, pci),
+};
+
+struct tegra_xusb_phy_ops {
+ int (*prepare)(struct tegra_xusb_phy *phy);
+ int (*enable)(struct tegra_xusb_phy *phy);
+ int (*disable)(struct tegra_xusb_phy *phy);
+ int (*unprepare)(struct tegra_xusb_phy *phy);
+};
+
+struct tegra_xusb_phy {
+ const struct tegra_xusb_phy_ops *ops;
+
+ struct tegra_xusb_padctl *padctl;
+};
+
+struct tegra_xusb_padctl_pin {
+ const struct tegra_xusb_padctl_lane *lane;
+
+ unsigned int func;
+ int iddq;
+};
+
+#define MAX_GROUPS 3
+#define MAX_PINS 6
+
+struct tegra_xusb_padctl_group {
+ const char *name;
+
+ const char *pins[MAX_PINS];
+ unsigned int num_pins;
+
+ const char *func;
+ int iddq;
+};
+
+struct tegra_xusb_padctl_config {
+ const char *name;
+
+ struct tegra_xusb_padctl_group groups[MAX_GROUPS];
+ unsigned int num_groups;
+};
+
+struct tegra_xusb_padctl {
+ struct fdt_resource regs;
+
+ unsigned int enable;
+
+ struct tegra_xusb_phy phys[2];
+
+ const struct tegra_xusb_padctl_lane *lanes;
+ unsigned int num_lanes;
+
+ const char *const *functions;
+ unsigned int num_functions;
+
+ struct tegra_xusb_padctl_config config;
+};
+
+static inline u32 padctl_readl(struct tegra_xusb_padctl *padctl,
+ unsigned long offset)
+{
+ return readl(padctl->regs.start + offset);
+}
+
+static inline void padctl_writel(struct tegra_xusb_padctl *padctl,
+ u32 value, unsigned long offset)
+{
+ writel(value, padctl->regs.start + offset);
+}
+
+static int tegra_xusb_padctl_enable(struct tegra_xusb_padctl *padctl)
+{
+ u32 value;
+
+ if (padctl->enable++ > 0)
+ return 0;
+
+ value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
+ value &= ~XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN;
+ padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
+
+ udelay(100);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
+ value &= ~XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN_EARLY;
+ padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
+
+ udelay(100);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
+ value &= ~XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_VCORE_DOWN;
+ padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
+
+ return 0;
+}
+
+static int tegra_xusb_padctl_disable(struct tegra_xusb_padctl *padctl)
+{
+ u32 value;
+
+ if (padctl->enable == 0) {
+ error("tegra-xusb-padctl: unbalanced enable/disable");
+ return 0;
+ }
+
+ if (--padctl->enable > 0)
+ return 0;
+
+ value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
+ value |= XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_VCORE_DOWN;
+ padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
+
+ udelay(100);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
+ value |= XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN_EARLY;
+ padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
+
+ udelay(100);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_ELPG_PROGRAM);
+ value |= XUSB_PADCTL_ELPG_PROGRAM_AUX_MUX_LP0_CLAMP_EN;
+ padctl_writel(padctl, value, XUSB_PADCTL_ELPG_PROGRAM);
+
+ return 0;
+}
+
+static int phy_prepare(struct tegra_xusb_phy *phy)
+{
+ return tegra_xusb_padctl_enable(phy->padctl);
+}
+
+static int phy_unprepare(struct tegra_xusb_phy *phy)
+{
+ return tegra_xusb_padctl_disable(phy->padctl);
+}
+
+static int pcie_phy_enable(struct tegra_xusb_phy *phy)
+{
+ struct tegra_xusb_padctl *padctl = phy->padctl;
+ int err = -ETIMEDOUT;
+ unsigned long start;
+ u32 value;
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+ value &= ~XUSB_PADCTL_IOPHY_PLL_P0_CTL1_REFCLK_SEL_MASK;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL2);
+ value |= XUSB_PADCTL_IOPHY_PLL_P0_CTL2_REFCLKBUF_EN |
+ XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_EN |
+ XUSB_PADCTL_IOPHY_PLL_P0_CTL2_TXCLKREF_SEL;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL2);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+ value |= XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL_RST;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+
+ start = get_timer(0);
+
+ while (get_timer(start) < 50) {
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+ if (value & XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL0_LOCKDET) {
+ err = 0;
+ break;
+ }
+ }
+
+ return err;
+}
+
+static int pcie_phy_disable(struct tegra_xusb_phy *phy)
+{
+ struct tegra_xusb_padctl *padctl = phy->padctl;
+ u32 value;
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+ value &= ~XUSB_PADCTL_IOPHY_PLL_P0_CTL1_PLL_RST;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_P0_CTL1);
+
+ return 0;
+}
+
+static int sata_phy_enable(struct tegra_xusb_phy *phy)
+{
+ struct tegra_xusb_padctl *padctl = phy->padctl;
+ int err = -ETIMEDOUT;
+ unsigned long start;
+ u32 value;
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
+ value &= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ_OVRD;
+ value &= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_PWR_OVRD;
+ value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_IDDQ;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_MODE;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_RST;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+
+ start = get_timer(0);
+
+ while (get_timer(start) < 50) {
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ if (value & XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_LOCKDET) {
+ err = 0;
+ break;
+ }
+ }
+
+ return err;
+}
+
+static int sata_phy_disable(struct tegra_xusb_phy *phy)
+{
+ struct tegra_xusb_padctl *padctl = phy->padctl;
+ u32 value;
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_RST;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ value &= ~XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL1_MODE;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+ value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_PWR_OVRD;
+ value |= XUSB_PADCTL_IOPHY_PLL_S0_CTL1_PLL_IDDQ;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_PLL_S0_CTL1);
+
+ value = padctl_readl(padctl, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
+ value |= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ_OVRD;
+ value |= ~XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1_IDDQ;
+ padctl_writel(padctl, value, XUSB_PADCTL_IOPHY_MISC_PAD_S0_CTL1);
+
+ return 0;
+}
+
+static const struct tegra_xusb_phy_ops pcie_phy_ops = {
+ .prepare = phy_prepare,
+ .enable = pcie_phy_enable,
+ .disable = pcie_phy_disable,
+ .unprepare = phy_unprepare,
+};
+
+static const struct tegra_xusb_phy_ops sata_phy_ops = {
+ .prepare = phy_prepare,
+ .enable = sata_phy_enable,
+ .disable = sata_phy_disable,
+ .unprepare = phy_unprepare,
+};
+
+static struct tegra_xusb_padctl *padctl = &(struct tegra_xusb_padctl) {
+ .phys = {
+ [0] = {
+ .ops = &pcie_phy_ops,
+ },
+ [1] = {
+ .ops = &sata_phy_ops,
+ },
+ },
+};
+
+static const struct tegra_xusb_padctl_lane *
+tegra_xusb_padctl_find_lane(struct tegra_xusb_padctl *padctl, const char *name)
+{
+ unsigned int i;
+
+ for (i = 0; i < padctl->num_lanes; i++)
+ if (strcmp(name, padctl->lanes[i].name) == 0)
+ return &padctl->lanes[i];
+
+ return NULL;
+}
+
+static int
+tegra_xusb_padctl_group_parse_dt(struct tegra_xusb_padctl *padctl,
+ struct tegra_xusb_padctl_group *group,
+ const void *fdt, int node)
+{
+ unsigned int i;
+ int len, err;
+
+ group->name = fdt_get_name(fdt, node, &len);
+
+ len = fdt_count_strings(fdt, node, "nvidia,lanes");
+ if (len < 0) {
+ error("tegra-xusb-padctl: failed to parse \"nvidia,lanes\" property");
+ return -EINVAL;
+ }
+
+ group->num_pins = len;
+
+ for (i = 0; i < group->num_pins; i++) {
+ err = fdt_get_string_index(fdt, node, "nvidia,lanes", i,
+ &group->pins[i]);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to read string from \"nvidia,lanes\" property");
+ return -EINVAL;
+ }
+ }
+
+ group->num_pins = len;
+
+ err = fdt_get_string(fdt, node, "nvidia,function", &group->func);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to parse \"nvidia,func\" property");
+ return -EINVAL;
+ }
+
+ group->iddq = fdtdec_get_int(fdt, node, "nvidia,iddq", -1);
+
+ return 0;
+}
+
+static int tegra_xusb_padctl_find_function(struct tegra_xusb_padctl *padctl,
+ const char *name)
+{
+ unsigned int i;
+
+ for (i = 0; i < padctl->num_functions; i++)
+ if (strcmp(name, padctl->functions[i]) == 0)
+ return i;
+
+ return -ENOENT;
+}
+
+static int
+tegra_xusb_padctl_lane_find_function(struct tegra_xusb_padctl *padctl,
+ const struct tegra_xusb_padctl_lane *lane,
+ const char *name)
+{
+ unsigned int i;
+ int func;
+
+ func = tegra_xusb_padctl_find_function(padctl, name);
+ if (func < 0)
+ return func;
+
+ for (i = 0; i < lane->num_funcs; i++)
+ if (lane->funcs[i] == func)
+ return i;
+
+ return -ENOENT;
+}
+
+static int
+tegra_xusb_padctl_group_apply(struct tegra_xusb_padctl *padctl,
+ const struct tegra_xusb_padctl_group *group)
+{
+ unsigned int i;
+
+ for (i = 0; i < group->num_pins; i++) {
+ const struct tegra_xusb_padctl_lane *lane;
+ unsigned int func;
+ u32 value;
+
+ lane = tegra_xusb_padctl_find_lane(padctl, group->pins[i]);
+ if (!lane) {
+ error("tegra-xusb-padctl: no lane for pin %s",
+ group->pins[i]);
+ continue;
+ }
+
+ func = tegra_xusb_padctl_lane_find_function(padctl, lane,
+ group->func);
+ if (func < 0) {
+ error("tegra-xusb-padctl: function %s invalid for lane %s: %d",
+ group->func, lane->name, func);
+ continue;
+ }
+
+ value = padctl_readl(padctl, lane->offset);
+
+ /* set pin function */
+ value &= ~(lane->mask << lane->shift);
+ value |= func << lane->shift;
+
+ /*
+ * Set IDDQ if supported on the lane and specified in the
+ * configuration.
+ */
+ if (lane->iddq > 0 && group->iddq >= 0) {
+ if (group->iddq != 0)
+ value &= ~(1 << lane->iddq);
+ else
+ value |= 1 << lane->iddq;
+ }
+
+ padctl_writel(padctl, value, lane->offset);
+ }
+
+ return 0;
+}
+
+static int
+tegra_xusb_padctl_config_apply(struct tegra_xusb_padctl *padctl,
+ struct tegra_xusb_padctl_config *config)
+{
+ unsigned int i;
+
+ for (i = 0; i < config->num_groups; i++) {
+ const struct tegra_xusb_padctl_group *group;
+ int err;
+
+ group = &config->groups[i];
+
+ err = tegra_xusb_padctl_group_apply(padctl, group);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to apply group %s: %d",
+ group->name, err);
+ continue;
+ }
+ }
+
+ return 0;
+}
+
+static int
+tegra_xusb_padctl_config_parse_dt(struct tegra_xusb_padctl *padctl,
+ struct tegra_xusb_padctl_config *config,
+ const void *fdt, int node)
+{
+ int subnode;
+
+ config->name = fdt_get_name(fdt, node, NULL);
+
+ fdt_for_each_subnode(fdt, subnode, node) {
+ struct tegra_xusb_padctl_group *group;
+ int err;
+
+ group = &config->groups[config->num_groups];
+
+ err = tegra_xusb_padctl_group_parse_dt(padctl, group, fdt,
+ subnode);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to parse group %s",
+ group->name);
+ return err;
+ }
+
+ config->num_groups++;
+ }
+
+ return 0;
+}
+
+static int tegra_xusb_padctl_parse_dt(struct tegra_xusb_padctl *padctl,
+ const void *fdt, int node)
+{
+ int subnode, err;
+
+ err = fdt_get_resource(fdt, node, "reg", 0, &padctl->regs);
+ if (err < 0) {
+ error("tegra-xusb-padctl: registers not found");
+ return err;
+ }
+
+ fdt_for_each_subnode(fdt, subnode, node) {
+ struct tegra_xusb_padctl_config *config = &padctl->config;
+
+ err = tegra_xusb_padctl_config_parse_dt(padctl, config, fdt,
+ subnode);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to parse entry %s: %d",
+ config->name, err);
+ continue;
+ }
+ }
+
+ return 0;
+}
+
+static int process_nodes(const void *fdt, int nodes[], unsigned int count)
+{
+ unsigned int i;
+
+ for (i = 0; i < count; i++) {
+ enum fdt_compat_id id;
+ int err;
+
+ if (!fdtdec_get_is_enabled(fdt, nodes[i]))
+ continue;
+
+ id = fdtdec_lookup(fdt, nodes[i]);
+ switch (id) {
+ case COMPAT_NVIDIA_TEGRA124_XUSB_PADCTL:
+ break;
+
+ default:
+ error("tegra-xusb-padctl: unsupported compatible: %s",
+ fdtdec_get_compatible(id));
+ continue;
+ }
+
+ padctl->num_lanes = ARRAY_SIZE(tegra124_lanes);
+ padctl->lanes = tegra124_lanes;
+
+ padctl->num_functions = ARRAY_SIZE(tegra124_functions);
+ padctl->functions = tegra124_functions;
+
+ err = tegra_xusb_padctl_parse_dt(padctl, fdt, nodes[i]);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to parse DT: %d",
+ err);
+ continue;
+ }
+
+ /* deassert XUSB padctl reset */
+ reset_set_enable(PERIPH_ID_XUSB_PADCTL, 0);
+
+ err = tegra_xusb_padctl_config_apply(padctl, &padctl->config);
+ if (err < 0) {
+ error("tegra-xusb-padctl: failed to apply pinmux: %d",
+ err);
+ continue;
+ }
+
+ /* only a single instance is supported */
+ break;
+ }
+
+ return 0;
+}
+
+struct tegra_xusb_phy *tegra_xusb_phy_get(unsigned int type)
+{
+ struct tegra_xusb_phy *phy = NULL;
+
+ switch (type) {
+ case TEGRA_XUSB_PADCTL_PCIE:
+ phy = &padctl->phys[0];
+ phy->padctl = padctl;
+ break;
+
+ case TEGRA_XUSB_PADCTL_SATA:
+ phy = &padctl->phys[1];
+ phy->padctl = padctl;
+ break;
+ }
+
+ return phy;
+}
+
+int tegra_xusb_phy_prepare(struct tegra_xusb_phy *phy)
+{
+ if (phy && phy->ops && phy->ops->prepare)
+ return phy->ops->prepare(phy);
+
+ return phy ? -ENOSYS : -EINVAL;
+}
+
+int tegra_xusb_phy_enable(struct tegra_xusb_phy *phy)
+{
+ if (phy && phy->ops && phy->ops->enable)
+ return phy->ops->enable(phy);
+
+ return phy ? -ENOSYS : -EINVAL;
+}
+
+int tegra_xusb_phy_disable(struct tegra_xusb_phy *phy)
+{
+ if (phy && phy->ops && phy->ops->disable)
+ return phy->ops->disable(phy);
+
+ return phy ? -ENOSYS : -EINVAL;
+}
+
+int tegra_xusb_phy_unprepare(struct tegra_xusb_phy *phy)
+{
+ if (phy && phy->ops && phy->ops->unprepare)
+ return phy->ops->unprepare(phy);
+
+ return phy ? -ENOSYS : -EINVAL;
+}
+
+void tegra_xusb_padctl_init(const void *fdt)
+{
+ int count, nodes[1];
+
+ count = fdtdec_find_aliases_for_id(fdt, "padctl",
+ COMPAT_NVIDIA_TEGRA124_XUSB_PADCTL,
+ nodes, ARRAY_SIZE(nodes));
+ if (process_nodes(fdt, nodes, count))
+ return;
+}
generated by cgit (git 2.34.1) at 2024-12-27 02:59:15 +0000