summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/soc/nvidia/tegra124/Makefile.inc5
-rw-r--r--src/soc/nvidia/tegra124/clk_rst.h497
-rw-r--r--src/soc/nvidia/tegra124/clock.c42
-rw-r--r--src/soc/nvidia/tegra124/clock.h22
-rw-r--r--src/soc/nvidia/tegra124/soc.h64
5 files changed, 630 insertions, 0 deletions
diff --git a/src/soc/nvidia/tegra124/Makefile.inc b/src/soc/nvidia/tegra124/Makefile.inc
index 14707dfe77..0037a69b1b 100644
--- a/src/soc/nvidia/tegra124/Makefile.inc
+++ b/src/soc/nvidia/tegra124/Makefile.inc
@@ -1,6 +1,9 @@
CBOOTIMAGE = cbootimage
bootblock-y += cbfs.c
+bootblock-y += clock.c
+bootblock-y += monotonic_timer.c
+bootblock-y += timer.c
romstage-y += cbfs.c
romstage-y += monotonic_timer.c
@@ -10,6 +13,8 @@ ramstage-y += cbfs.c
ramstage-y += monotonic_timer.c
ramstage-y += timer.c
+INCLUDES += -Isrc/soc/nvidia/tegra124 -Isrc/soc/nvidia
+
# We want to grab the bootblock right before it goes into the image and wrap
# it inside a BCT, but ideally we would do that without making special, one
# use modifications to the main ARM Makefile. We do this in two ways. First,
diff --git a/src/soc/nvidia/tegra124/clk_rst.h b/src/soc/nvidia/tegra124/clk_rst.h
new file mode 100644
index 0000000000..badb58b555
--- /dev/null
+++ b/src/soc/nvidia/tegra124/clk_rst.h
@@ -0,0 +1,497 @@
+/*
+ * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TEGRA124_CLK_RST_H_
+#define _TEGRA124_CLK_RST_H_
+
+/* PLL registers - there are several PLLs in the clock controller */
+struct clk_pll {
+ u32 pll_base; /* the control register */
+ /* pll_out[0] is output A control, pll_out[1] is output B control */
+ u32 pll_out[2];
+ u32 pll_misc; /* other misc things */
+};
+
+/* PLL registers - there are several PLLs in the clock controller */
+struct clk_pll_simple {
+ u32 pll_base; /* the control register */
+ u32 pll_misc; /* other misc things */
+};
+
+struct clk_pllm {
+ u32 pllm_base; /* the control register */
+ u32 pllm_out; /* output control */
+ u32 pllm_misc1; /* misc1 */
+ u32 pllm_misc2; /* misc2 */
+};
+
+/* RST_DEV_(L,H,U,V,W)_(SET,CLR) and CLK_ENB_(L,H,U,V,W)_(SET,CLR) */
+struct clk_set_clr {
+ u32 set;
+ u32 clr;
+};
+
+/*
+ * Most PLLs use the clk_pll structure, but some have a simpler two-member
+ * structure for which we use clk_pll_simple. The reason for this non-
+ * othogonal setup is not stated.
+ */
+enum {
+ TEGRA_CLK_PLLS = 6, /* Number of normal PLLs */
+ TEGRA_CLK_SIMPLE_PLLS = 3, /* Number of simple PLLs */
+ TEGRA_CLK_REGS = 3, /* Number of clock enable regs L/H/U */
+ TEGRA_CLK_SOURCES = 64, /* Number of ppl clock sources L/H/U */
+ TEGRA_CLK_REGS_VW = 2, /* Number of clock enable regs V/W */
+ TEGRA_CLK_SOURCES_VW = 32, /* Number of ppl clock sources V/W */
+ TEGRA_CLK_SOURCES_X = 32, /* Number of ppl clock sources X */
+};
+
+/* Clock/Reset Controller (CLK_RST_CONTROLLER_) regs */
+struct clk_rst_ctlr {
+ u32 crc_rst_src; /* _RST_SOURCE_0,0x00 */
+ u32 crc_rst_dev[TEGRA_CLK_REGS]; /* _RST_DEVICES_L/H/U_0 */
+ u32 crc_clk_out_enb[TEGRA_CLK_REGS]; /* _CLK_OUT_ENB_L/H/U_0 */
+ u32 crc_reserved0; /* reserved_0, 0x1C */
+ u32 crc_cclk_brst_pol; /* _CCLK_BURST_POLICY_0, 0x20 */
+ u32 crc_super_cclk_div; /* _SUPER_CCLK_DIVIDER_0,0x24 */
+ u32 crc_sclk_brst_pol; /* _SCLK_BURST_POLICY_0, 0x28 */
+ u32 crc_super_sclk_div; /* _SUPER_SCLK_DIVIDER_0,0x2C */
+ u32 crc_clk_sys_rate; /* _CLK_SYSTEM_RATE_0, 0x30 */
+ u32 crc_reserved01; /* reserved_0_1, 0x34 */
+ u32 crc_reserved02; /* reserved_0_2, 0x38 */
+ u32 crc_reserved1; /* reserved_1, 0x3C */
+ u32 crc_cop_clk_skip_plcy; /* _COP_CLK_SKIP_POLICY_0,0x40 */
+ u32 crc_clk_mask_arm; /* _CLK_MASK_ARM_0, 0x44 */
+ u32 crc_misc_clk_enb; /* _MISC_CLK_ENB_0, 0x48 */
+ u32 crc_clk_cpu_cmplx; /* _CLK_CPU_CMPLX_0, 0x4C */
+ u32 crc_osc_ctrl; /* _OSC_CTRL_0, 0x50 */
+ u32 crc_pll_lfsr; /* _PLL_LFSR_0, 0x54 */
+ u32 crc_osc_freq_det; /* _OSC_FREQ_DET_0, 0x58 */
+ u32 crc_osc_freq_det_stat; /* _OSC_FREQ_DET_STATUS_0,0x5C */
+ u32 crc_reserved2[8]; /* reserved_2[8], 0x60-7C */
+
+ struct clk_pll crc_pll[TEGRA_CLK_PLLS]; /* PLLs from 0x80 to 0xdc */
+
+ /* PLLs from 0xe0 to 0xf4 */
+ struct clk_pll_simple crc_pll_simple[TEGRA_CLK_SIMPLE_PLLS];
+
+ u32 crc_reserved10; /* _reserved_10, 0xF8 */
+ u32 crc_reserved11; /* _reserved_11, 0xFC */
+
+ u32 crc_clk_src[TEGRA_CLK_SOURCES]; /*_I2S1_0... 0x100-1fc */
+
+ u32 crc_reserved20[32]; /* _reserved_20, 0x200-27c */
+
+ u32 crc_clk_out_enb_x; /* _CLK_OUT_ENB_X_0, 0x280 */
+ u32 crc_clk_enb_x_set; /* _CLK_ENB_X_SET_0, 0x284 */
+ u32 crc_clk_enb_x_clr; /* _CLK_ENB_X_CLR_0, 0x288 */
+
+ u32 crc_rst_devices_x; /* _RST_DEVICES_X_0, 0x28c */
+ u32 crc_rst_dev_x_set; /* _RST_DEV_X_SET_0, 0x290 */
+ u32 crc_rst_dev_x_clr; /* _RST_DEV_X_CLR_0, 0x294 */
+
+ u32 crc_reserved21[23]; /* _reserved_21, 0x298-2f0 */
+
+ u32 crc_dfll_base; /* _DFLL_BASE_0, 0x2f4 */
+
+ u32 crc_reserved22[2]; /* _reserved_22, 0x2f8-2fc */
+
+ /* _RST_DEV_L/H/U_SET_0 0x300 ~ 0x314 */
+ struct clk_set_clr crc_rst_dev_ex[TEGRA_CLK_REGS];
+
+ u32 crc_reserved30[2]; /* _reserved_30, 0x318, 0x31c */
+
+ /* _CLK_ENB_L/H/U_CLR_0 0x320 ~ 0x334 */
+ struct clk_set_clr crc_clk_enb_ex[TEGRA_CLK_REGS];
+
+ u32 crc_reserved31; /* _reserved_31, 0x338 */
+
+ u32 crc_ccplex_pg_sm_ovrd; /* _CCPLEX_PG_SM_OVRD_0, 0x33c */
+
+ u32 crc_rst_cpu_cmplx_set; /* _RST_CPU_CMPLX_SET_0, 0x340 */
+ u32 crc_rst_cpu_cmplx_clr; /* _RST_CPU_CMPLX_CLR_0, 0x344 */
+ u32 crc_clk_cpu_cmplx_set; /* _CLK_CPU_CMPLX_SET_0, 0x348 */
+ u32 crc_clk_cpu_cmplx_clr; /* _CLK_CPU_CMPLX_SET_0, 0x34c */
+
+ u32 crc_reserved32[2]; /* _reserved_32, 0x350,0x354 */
+
+ u32 crc_rst_dev_vw[TEGRA_CLK_REGS_VW]; /* _RST_DEVICES_V/W_0 */
+ u32 crc_clk_out_enb_vw[TEGRA_CLK_REGS_VW]; /* _CLK_OUT_ENB_V/W_0 */
+ u32 crc_cclkg_brst_pol; /* _CCLKG_BURST_POLICY_0, 0x368 */
+ u32 crc_super_cclkg_div; /* _SUPER_CCLKG_DIVIDER_0, 0x36C */
+ u32 crc_cclklp_brst_pol; /* _CCLKLP_BURST_POLICY_0, 0x370 */
+ u32 crc_super_cclkp_div; /* _SUPER_CCLKLP_DIVIDER_0, 0x374 */
+ u32 crc_clk_cpug_cmplx; /* _CLK_CPUG_CMPLX_0, 0x378 */
+ u32 crc_clk_cpulp_cmplx; /* _CLK_CPULP_CMPLX_0, 0x37C */
+ u32 crc_cpu_softrst_ctrl; /* _CPU_SOFTRST_CTRL_0, 0x380 */
+ u32 crc_cpu_softrst_ctrl1; /* _CPU_SOFTRST_CTRL1_0, 0x384 */
+ u32 crc_cpu_softrst_ctrl2; /* _CPU_SOFTRST_CTRL2_0, 0x388 */
+ u32 crc_reserved33[9]; /* _reserved_33, 0x38c-3ac */
+ u32 crc_clk_src_vw[TEGRA_CLK_SOURCES_VW]; /* 0x3B0-0x42C */
+ /* _RST_DEV_V/W_SET_0 0x430 ~ 0x43c */
+ struct clk_set_clr crc_rst_dev_ex_vw[TEGRA_CLK_REGS_VW];
+ /* _CLK_ENB_V/W_CLR_0 0x440 ~ 0x44c */
+ struct clk_set_clr crc_clk_enb_ex_vw[TEGRA_CLK_REGS_VW];
+ u32 crc_rst_cpug_cmplx_set; /* _RST_CPUG_CMPLX_SET_0, 0x450*/
+ u32 crc_rst_cpug_cmplx_clr; /* _RST_CPUG_CMPLX_CLR_0, 0x454*/
+ u32 crc_rst_cpulp_cmplx_set; /* _RST_CPULP_CMPLX_SET_0, 0x458*/
+ u32 crc_rst_cpulp_cmplx_clr; /* _RST_CPULP_CMPLX_CLR_0, 0x45C*/
+ u32 crc_clk_cpug_cmplx_set; /* _CLK_CPUG_CMPLX_SET_0, 0x460 */
+ u32 crc_clk_cpug_cmplx_clr; /* _CLK_CPUG_CMPLX_CLR_0, 0x464 */
+ u32 crc_clk_cpulp_cmplx_set; /* _CLK_CPULP_CMPLX_SET_0, 0x468 */
+ u32 crc_clk_cpulp_cmplx_clr; /* _CLK_CPULP_CMPLX_CLR_0, 0x46C */
+ u32 crc_cpu_cmplx_status; /* _CPU_CMPLX_STATUS_0, 0x470 */
+ u32 crc_reserved40[1]; /* _reserved_40, 0x474 */
+ u32 crc_intstatus; /* __INTSTATUS_0, 0x478 */
+ u32 crc_intmask; /* __INTMASK_0, 0x47C */
+ u32 crc_utmip_pll_cfg0; /* _UTMIP_PLL_CFG0_0, 0x480 */
+ u32 crc_utmip_pll_cfg1; /* _UTMIP_PLL_CFG1_0, 0x484 */
+ u32 crc_utmip_pll_cfg2; /* _UTMIP_PLL_CFG2_0, 0x488 */
+
+ u32 crc_plle_aux; /* _PLLE_AUX_0, 0x48C */
+ u32 crc_sata_pll_cfg0; /* _SATA_PLL_CFG0_0, 0x490 */
+ u32 crc_sata_pll_cfg1; /* _SATA_PLL_CFG1_0, 0x494 */
+ u32 crc_pcie_pll_cfg0; /* _PCIE_PLL_CFG0_0, 0x498 */
+
+ u32 crc_prog_audio_dly_clk; /* _PROG_AUDIO_DLY_CLK_0, 0x49C */
+ u32 crc_audio_sync_clk_i2s0; /* _AUDIO_SYNC_CLK_I2S0_0, 0x4A0 */
+ u32 crc_audio_sync_clk_i2s1; /* _AUDIO_SYNC_CLK_I2S1_0, 0x4A4 */
+ u32 crc_audio_sync_clk_i2s2; /* _AUDIO_SYNC_CLK_I2S2_0, 0x4A8 */
+ u32 crc_audio_sync_clk_i2s3; /* _AUDIO_SYNC_CLK_I2S3_0, 0x4AC */
+ u32 crc_audio_sync_clk_i2s4; /* _AUDIO_SYNC_CLK_I2S4_0, 0x4B0 */
+ u32 crc_audio_sync_clk_spdif; /* _AUDIO_SYNC_CLK_SPDIF_0, 0x4B4 */
+
+ u32 crc_plld2_base; /* _PLLD2_BASE_0, 0x4B8 */
+ u32 crc_plld2_misc; /* _PLLD2_MISC_0, 0x4BC */
+ u32 crc_utmip_pll_cfg3; /* _UTMIP_PLL_CFG3_0, 0x4C0 */
+ u32 crc_pllrefe_base; /* _PLLREFE_BASE_0, 0x4C4 */
+ u32 crc_pllrefe_misc; /* _PLLREFE_MISC_0, 0x4C8 */
+ u32 crs_reserved_50[7]; /* _reserved_50, 0x4CC-0x4E4 */
+ u32 crc_pllc2_base; /* _PLLC2_BASE_0, 0x4E8 */
+ u32 crc_pllc2_misc0; /* _PLLC2_MISC_0_0, 0x4EC */
+ u32 crc_pllc2_misc1; /* _PLLC2_MISC_1_0, 0x4F0 */
+ u32 crc_pllc2_misc2; /* _PLLC2_MISC_2_0, 0x4F4 */
+ u32 crc_pllc2_misc3; /* _PLLC2_MISC_3_0, 0x4F8 */
+ u32 crc_pllc3_base; /* _PLLC3_BASE_0, 0x4FC */
+ u32 crc_pllc3_misc0; /* _PLLC3_MISC_0_0, 0x500 */
+ u32 crc_pllc3_misc1; /* _PLLC3_MISC_1_0, 0x504 */
+ u32 crc_pllc3_misc2; /* _PLLC3_MISC_2_0, 0x508 */
+ u32 crc_pllc3_misc3; /* _PLLC3_MISC_3_0, 0x50C */
+ u32 crc_pllx_misc1; /* _PLLX_MISC_1_0, 0x510 */
+ u32 crc_pllx_misc2; /* _PLLX_MISC_2_0, 0x514 */
+ u32 crc_pllx_misc3; /* _PLLX_MISC_3_0, 0x518 */
+ u32 crc_xusbio_pll_cfg0; /* _XUSBIO_PLL_CFG0_0, 0x51C */
+ u32 crc_xusbio_pll_cfg1; /* _XUSBIO_PLL_CFG0_1, 0x520 */
+ u32 crc_plle_aux1; /* _PLLE_AUX1_0, 0x524 */
+ u32 crc_pllp_reshift; /* _PLLP_RESHIFT_0, 0x528 */
+ u32 crc_utmipll_hw_pwrdn_cfg0; /* _UTMIPLL_HW_PWRDN_CFG0_0, 0x52C */
+ u32 crc_pllu_hw_pwrdn_cfg0; /* _PLLU_HW_PWRDN_CFG0_0, 0x530 */
+ u32 crc_xusb_pll_cfg0; /* _XUSB_PLL_CFG0_0, 0x534 */
+ u32 crc_reserved51[1]; /* _reserved_51, 0x538 */
+ u32 crc_clk_cpu_misc; /* _CLK_CPU_MISC_0, 0x53C */
+ u32 crc_clk_cpug_misc; /* _CLK_CPUG_MISC_0, 0x540 */
+ u32 crc_clk_cpulp_misc; /* _CLK_CPULP_MISC_0, 0x544 */
+ u32 crc_pllx_hw_ctrl_cfg; /* _PLLX_HW_CTRL_CFG_0, 0x548 */
+ u32 crc_pllx_sw_ramp_cfg; /* _PLLX_SW_RAMP_CFG_0, 0x54C */
+ u32 crc_pllx_hw_ctrl_status; /* _PLLX_HW_CTRL_STATUS_0, 0x550 */
+ u32 crc_reserved52[1]; /* _reserved_52, 0x554 */
+ u32 crc_super_gr3d_clk_div; /* _SUPER_GR3D_CLK_DIVIDER_0, 0x558 */
+ u32 crc_spare_reg0; /* _SPARE_REG0_0, 0x55C */
+
+ /* T124 - skip to 0x600 here for new CLK_SOURCE_ regs */
+ u32 crc_reserved60[40]; /* _reserved_60, 0x560 - 0x5FC */
+ u32 crc_clk_src_x[TEGRA_CLK_SOURCES_X]; /* XUSB, etc, 0x600-0x678 */
+};
+
+#define TEGRA_DEV_L 0
+#define TEGRA_DEV_H 1
+#define TEGRA_DEV_U 2
+#define TEGRA_DEV_V 0
+#define TEGRA_DEV_W 1
+
+#define SIMPLE_PLLX (CLOCK_ID_XCPU - CLOCK_ID_FIRST_SIMPLE)
+
+/* Bits to enable/reset modules */
+#define CLK_ENB_CPU (1 << 0)
+#define SWR_TRIG_SYS_RST (1 << 2)
+#define SWR_CSITE_RST (1 << 9)
+#define CLK_ENB_CSITE (1 << 9)
+
+/* CRC_SUPER_CCLK_DIVIDER_0 0x24 */
+#define SUPER_CDIV_ENB_ENABLE (1 << 31)
+
+/* CLK_RST_CONTROLLER_MISC_CLK_ENB 0x48 */
+#define EN_PPSB_STOPCLK (1 << 0)
+
+/* CLK_RST_CONTROLLER_CLK_CPU_CMPLX_0 (0x4C) */
+#define CPU3_CLK_STP_SHIFT 11
+#define CPU2_CLK_STP_SHIFT 10
+#define CPU1_CLK_STP_SHIFT 9
+#define CPU0_CLK_STP_SHIFT 8
+#define CPU0_CLK_STP_MASK (1U << CPU0_CLK_STP_SHIFT)
+
+/* CRC_OSC_CTRL_0 0x50 */
+#define OSC_CTRL_OSC_FREQ (0xf << 28)
+#define OSC_CTRL_OSC_FREQ_SHIFT 28
+#define OSC_FREQ_OSC13 0 /* 13.0MHz */
+#define OSC_FREQ_OSC19P2 4 /* 19.2MHz */
+#define OSC_FREQ_OSC12 8 /* 12.0MHz */
+#define OSC_FREQ_OSC26 12 /* 26.0MHz */
+#define OSC_FREQ_OSC16P8 1 /* 16.8MHz */
+#define OSC_FREQ_OSC38P4 5 /* 38.4MHz */
+#define OSC_FREQ_OSC48 9 /* 48.0MHz */
+
+/* CLK_RST_CONTROLLER_PLLx_BASE_0 */
+#define PLL_BYPASS_SHIFT 31
+#define PLL_BYPASS_MASK (1U << PLL_BYPASS_SHIFT)
+
+#define PLL_ENABLE_SHIFT 30
+#define PLL_ENABLE_MASK (1U << PLL_ENABLE_SHIFT)
+
+#define PLL_BASE_OVRRIDE_MASK (1U << 28)
+#define PLL_BASE_LOCK_MASK (1U << 27)
+
+#define PLL_DIVP_SHIFT 20
+#define PLL_DIVP_MASK (7U << PLL_DIVP_SHIFT)
+
+#define PLL_DIVN_SHIFT 8
+#define PLL_DIVN_MASK (0x3ffU << PLL_DIVN_SHIFT)
+
+#define PLL_DIVM_SHIFT 0
+#define PLL_DIVM_MASK (0x1f << PLL_DIVM_SHIFT)
+
+/* SPECIAL CASE: PLLM, PLLC and PLLX use different-sized fields here */
+#define PLLCMX_DIVP_MASK (0xfU << PLL_DIVP_SHIFT)
+#define PLLCMX_DIVN_MASK (0xffU << PLL_DIVN_SHIFT)
+#define PLLCMX_DIVM_MASK (0xffU << PLL_DIVM_SHIFT)
+
+/* CLK_RST_CONTROLLER_PLLx_OUTx_0 */
+#define PLL_OUT_RSTN (1 << 0)
+#define PLL_OUT_CLKEN (1 << 1)
+#define PLL_OUT_OVRRIDE (1 << 2)
+
+#define PLL_OUT_RATIO_SHIFT 8
+#define PLL_OUT_RATIO_MASK (0xffU << PLL_OUT_RATIO_SHIFT)
+
+#define PLL_OUT2_RSTN (1 << 16)
+#define PLL_OUT2_CLKEN (1 << 17)
+#define PLL_OUT2_OVRRIDE (1 << 18)
+
+#define PLL_OUT2_RATIO_SHIFT 24
+#define PLL_OUT2_RATIO_MASK (0xffU << PLL_OUT2_RATIO_SHIFT)
+
+/* CLK_RST_CONTROLLER_PLLx_MISC_0 */
+#define PLL_DCCON_SHIFT 20
+#define PLL_DCCON_MASK (1U << PLL_DCCON_SHIFT)
+
+#define PLL_LOCK_ENABLE_SHIFT 18
+#define PLL_LOCK_ENABLE_MASK (1U << PLL_LOCK_ENABLE_SHIFT)
+
+#define PLL_CPCON_SHIFT 8
+#define PLL_CPCON_MASK (15U << PLL_CPCON_SHIFT)
+
+#define PLL_LFCON_SHIFT 4
+#define PLL_LFCON_MASK (15U << PLL_LFCON_SHIFT)
+
+#define PLLU_VCO_FREQ_SHIFT 20
+#define PLLU_VCO_FREQ_MASK (1U << PLLU_VCO_FREQ_SHIFT)
+
+#define PLLP_OUT1_OVR (1 << 2)
+#define PLLP_OUT2_OVR (1 << 18)
+#define PLLP_OUT3_OVR (1 << 2)
+#define PLLP_OUT4_OVR (1 << 18)
+#define PLLP_OUT1_RATIO 8
+#define PLLP_OUT2_RATIO 24
+#define PLLP_OUT3_RATIO 8
+#define PLLP_OUT4_RATIO 24
+
+#define PLLP_OUT3_RSTN_DIS (1 << 0)
+#define PLLP_OUT3_RSTN_EN (0 << 0)
+#define PLLP_OUT3_CLKEN (1 << 1)
+#define PLLP_OUT3_OVRRIDE (1 << 2)
+#define PLLP_OUT4_RSTN_DIS (1 << 16)
+#define PLLP_OUT4_RSTN_EN (0 << 16)
+#define PLLP_OUT4_CLKEN (1 << 17)
+#define PLLP_OUT4_OVRRIDE (1 << 18)
+
+enum {
+ IN_408_OUT_204_DIVISOR = 2,
+ IN_408_OUT_102_DIVISOR = 6,
+ IN_408_OUT_48_DIVISOR = 15,
+ IN_408_OUT_9_6_DIVISOR = 83,
+};
+
+/* CRC_PLLP_MISC_0 0xac */
+#define PLLP_MISC_PLLP_CPCON_8 (8 << 8)
+#define PLLP_MISC_PLLP_LOCK_ENABLE (1 << 18)
+
+/* CRC_PLLU_BASE_0 0xc0 */
+#define PLLU_BYPASS_ENABLE (1 << 31)
+#define PLLU_ENABLE_ENABLE (1 << 30)
+#define PLLU_REF_DIS_REF_DISABLE (1 << 29)
+#define PLLU_OVERRIDE_ENABLE (1 << 24)
+
+/* CRC_PLLU_MISC_0 0xcc */
+#define PLLU_LOCK_ENABLE_ENABLE (1 << 22)
+
+/* PLLX_BASE_0 0xe0 */
+#define PLLX_BASE_PLLX_ENABLE (1 << 30)
+
+/* CLK_RST_CONTROLLER_PLLX_MISC_3 */
+#define PLLX_IDDQ_SHIFT 3
+#define PLLX_IDDQ_MASK (1U << PLLX_IDDQ_SHIFT)
+
+/* CLK_RST_CONTROLLER_OSC_CTRL_0 0x50 */
+#define OSC_XOE_SHIFT 0
+#define OSC_XOE_MASK (1 << OSC_XOE_SHIFT)
+#define OSC_XOE_ENABLE (1 << OSC_XOE_SHIFT)
+#define OSC_XOBP_SHIFT 1
+#define OSC_XOBP_MASK (1U << OSC_XOBP_SHIFT)
+#define OSC_XOFS_SHIFT 4
+#define OSC_XOFS_MASK (0x3F << OSC_XOFS_SHIFT)
+#define OSC_DRIVE_STRENGTH 7
+
+/*
+ * CLK_RST_CONTROLLER_CLK_SOURCE_x_OUT_0 - the mask here is normally 8 bits
+ * but can be 16. We could use knowledge we have to restrict the mask in
+ * the 8-bit cases (the divider_bits value returned by
+ * get_periph_clock_source()) but it does not seem worth it since the code
+ * already checks the ranges of values it is writing, in clk_get_divider().
+ */
+#define OUT_CLK_DIVISOR_SHIFT 0
+#define OUT_CLK_DIVISOR_MASK (0xffff << OUT_CLK_DIVISOR_SHIFT)
+
+#define OUT_CLK_SOURCE_SHIFT 30
+#define OUT_CLK_SOURCE_MASK (3U << OUT_CLK_SOURCE_SHIFT)
+
+#define OUT_CLK_SOURCE3_SHIFT 29
+#define OUT_CLK_SOURCE3_MASK (7U << OUT_CLK_SOURCE3_SHIFT)
+
+#define OUT_CLK_SOURCE4_SHIFT 28
+#define OUT_CLK_SOURCE4_MASK (15U << OUT_CLK_SOURCE4_SHIFT)
+
+/* CLK_RST_CONTROLLER_SCLK_BURST_POLICY */
+#define SCLK_SYS_STATE_SHIFT 28U
+#define SCLK_SYS_STATE_MASK (15U << SCLK_SYS_STATE_SHIFT)
+enum {
+ SCLK_SYS_STATE_STDBY,
+ SCLK_SYS_STATE_IDLE,
+ SCLK_SYS_STATE_RUN,
+ SCLK_SYS_STATE_IRQ = 4U,
+ SCLK_SYS_STATE_FIQ = 8U,
+};
+#define SCLK_COP_FIQ_MASK (1 << 27)
+#define SCLK_CPU_FIQ_MASK (1 << 26)
+#define SCLK_COP_IRQ_MASK (1 << 25)
+#define SCLK_CPU_IRQ_MASK (1 << 24)
+
+#define SCLK_SWAKEUP_FIQ_SOURCE_SHIFT 12
+#define SCLK_SWAKEUP_FIQ_SOURCE_MASK \
+ (7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
+#define SCLK_SWAKEUP_IRQ_SOURCE_SHIFT 8
+#define SCLK_SWAKEUP_IRQ_SOURCE_MASK \
+ (7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
+#define SCLK_SWAKEUP_RUN_SOURCE_SHIFT 4
+#define SCLK_SWAKEUP_RUN_SOURCE_MASK \
+ (7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
+#define SCLK_SWAKEUP_IDLE_SOURCE_SHIFT 0
+
+#define SCLK_SWAKEUP_IDLE_SOURCE_MASK \
+ (7 << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT)
+enum {
+ SCLK_SOURCE_CLKM,
+ SCLK_SOURCE_PLLC_OUT1,
+ SCLK_SOURCE_PLLP_OUT4,
+ SCLK_SOURCE_PLLP_OUT3,
+ SCLK_SOURCE_PLLP_OUT2,
+ SCLK_SOURCE_CLKD,
+ SCLK_SOURCE_CLKS,
+ SCLK_SOURCE_PLLM_OUT1,
+};
+
+#define SCLK_SWAKE_FIQ_SRC_CLKM (0 << 12)
+#define SCLK_SWAKE_IRQ_SRC_CLKM (0 << 8)
+#define SCLK_SWAKE_RUN_SRC_CLKM (0 << 4)
+#define SCLK_SWAKE_IDLE_SRC_CLKM (0 << 0)
+#define SCLK_SWAKE_FIQ_SRC_PLLM_OUT1 (7 << 12)
+#define SCLK_SWAKE_IRQ_SRC_PLLM_OUT1 (7 << 8)
+#define SCLK_SWAKE_RUN_SRC_PLLM_OUT1 (7 << 4)
+#define SCLK_SWAKE_IDLE_SRC_PLLM_OUT1 (7 << 0)
+
+/* CLK_RST_CONTROLLER_SUPER_SCLK_DIVIDER 0x2c */
+#define SUPER_SCLK_ENB_SHIFT 31U
+#define SUPER_SCLK_ENB_MASK (1U << 31)
+#define SUPER_SCLK_DIVIDEND_SHIFT 8
+#define SUPER_SCLK_DIVIDEND_MASK (0xff << SUPER_SCLK_DIVIDEND_SHIFT)
+#define SUPER_SCLK_DIVISOR_SHIFT 0
+#define SUPER_SCLK_DIVISOR_MASK (0xff << SUPER_SCLK_DIVISOR_SHIFT)
+
+/* CLK_RST_CONTROLLER_CLK_SYSTEM_RATE 0x30 */
+#define CLK_SYS_RATE_HCLK_DISABLE_SHIFT 7
+#define CLK_SYS_RATE_HCLK_DISABLE_MASK (1 << CLK_SYS_RATE_HCLK_DISABLE_SHIFT)
+#define CLK_SYS_RATE_AHB_RATE_SHIFT 4
+#define CLK_SYS_RATE_AHB_RATE_MASK (3 << CLK_SYS_RATE_AHB_RATE_SHIFT)
+#define CLK_SYS_RATE_PCLK_DISABLE_SHIFT 3
+#define CLK_SYS_RATE_PCLK_DISABLE_MASK (1 << CLK_SYS_RATE_PCLK_DISABLE_SHIFT)
+#define CLK_SYS_RATE_APB_RATE_SHIFT 0
+#define CLK_SYS_RATE_APB_RATE_MASK (3 << CLK_SYS_RATE_AHB_RATE_SHIFT)
+
+/* CLK_RST_CONTROLLER_RST_CPUxx_CMPLX_CLR 0x344 */
+#define CLR_CPURESET0 (1 << 0)
+#define CLR_CPURESET1 (1 << 1)
+#define CLR_CPURESET2 (1 << 2)
+#define CLR_CPURESET3 (1 << 3)
+#define CLR_DBGRESET0 (1 << 12)
+#define CLR_DBGRESET1 (1 << 13)
+#define CLR_DBGRESET2 (1 << 14)
+#define CLR_DBGRESET3 (1 << 15)
+#define CLR_CORERESET0 (1 << 16)
+#define CLR_CORERESET1 (1 << 17)
+#define CLR_CORERESET2 (1 << 18)
+#define CLR_CORERESET3 (1 << 19)
+#define CLR_CXRESET0 (1 << 20)
+#define CLR_CXRESET1 (1 << 21)
+#define CLR_CXRESET2 (1 << 22)
+#define CLR_CXRESET3 (1 << 23)
+#define CLR_L2RESET (1 << 24)
+#define CLR_NONCPURESET (1 << 29)
+#define CLR_PRESETDBG (1 << 30)
+
+/* CLK_RST_CONTROLLER_CLK_CPU_CMPLX_CLR 0x34c */
+#define CLR_CPU3_CLK_STP (1 << 11)
+#define CLR_CPU2_CLK_STP (1 << 10)
+#define CLR_CPU1_CLK_STP (1 << 9)
+#define CLR_CPU0_CLK_STP (1 << 8)
+
+/* CRC_CLK_SOURCE_MSELECT_0 0x3b4 */
+#define MSELECT_CLK_SRC_PLLP_OUT0 (0 << 29)
+
+/* CRC_CLK_ENB_V_SET_0 0x440 */
+#define SET_CLK_ENB_CPUG_ENABLE (1 << 0)
+#define SET_CLK_ENB_CPULP_ENABLE (1 << 1)
+#define SET_CLK_ENB_MSELECT_ENABLE (1 << 3)
+
+/* CLK_RST_CONTROLLER_UTMIP_PLL_CFG1_0 0x484 */
+#define PLLU_POWERDOWN (1 << 16)
+#define PLL_ENABLE_POWERDOWN (1 << 14)
+#define PLL_ACTIVE_POWERDOWN (1 << 12)
+
+/* CLK_RST_CONTROLLER_UTMIP_PLL_CFG2_0 0x488 */
+#define UTMIP_FORCE_PD_SAMP_C_POWERDOWN (1 << 4)
+#define UTMIP_FORCE_PD_SAMP_B_POWERDOWN (1 << 2)
+#define UTMIP_FORCE_PD_SAMP_A_POWERDOWN (1 << 0)
+
+#endif /* _TEGRA124_CLK_RST_H_ */
diff --git a/src/soc/nvidia/tegra124/clock.c b/src/soc/nvidia/tegra124/clock.c
new file mode 100644
index 0000000000..691a6eeca2
--- /dev/null
+++ b/src/soc/nvidia/tegra124/clock.c
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <delay.h>
+#include <arch/io.h>
+#include <soc.h>
+#include <clk_rst.h>
+#include <clock.h>
+
+static struct clk_rst_ctlr *clk_rst = (void *)NV_PA_CLK_RST_BASE;
+/*
+ * On poweron, AVP clock source (also called system clock) is set to PLLP_out0
+ * with frequency set at 1MHz. Before initializing PLLP, we need to move the
+ * system clock's source to CLK_M temporarily. And then switch it to PLLP_out4
+ * (204MHz) at a later time.
+ */
+void set_avp_clock_to_clkm(void)
+{
+ u32 val;
+
+ val = (SCLK_SOURCE_CLKM << SCLK_SWAKEUP_FIQ_SOURCE_SHIFT) |
+ (SCLK_SOURCE_CLKM << SCLK_SWAKEUP_IRQ_SOURCE_SHIFT) |
+ (SCLK_SOURCE_CLKM << SCLK_SWAKEUP_RUN_SOURCE_SHIFT) |
+ (SCLK_SOURCE_CLKM << SCLK_SWAKEUP_IDLE_SOURCE_SHIFT) |
+ (SCLK_SYS_STATE_RUN << SCLK_SYS_STATE_SHIFT);
+ writel(val, &clk_rst->crc_sclk_brst_pol);
+ /* Wait 2-3us for the clock to flush thru the logic as per the TRM */
+ udelay(3);
+}
diff --git a/src/soc/nvidia/tegra124/clock.h b/src/soc/nvidia/tegra124/clock.h
new file mode 100644
index 0000000000..688505a7c1
--- /dev/null
+++ b/src/soc/nvidia/tegra124/clock.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __SOC_NVIDIA_TEGRA124_CLOCK_H__
+#define __SOC_NVIDIA_TEGRA124_CLOCK_H__
+
+void set_avp_clock_to_clkm(void);
+
+#endif /* __SOC_NVIDIA_TEGRA124_CLOCK_H__ */
diff --git a/src/soc/nvidia/tegra124/soc.h b/src/soc/nvidia/tegra124/soc.h
new file mode 100644
index 0000000000..7a164b0db7
--- /dev/null
+++ b/src/soc/nvidia/tegra124/soc.h
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved.
+ * Copyright 2013 Google Inc.
+ *
+ * (C) Copyright 2010,2011
+ * NVIDIA Corporation <www.nvidia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _TEGRA124_SOC_H
+
+/* AP base physical address of internal SRAM */
+#define NV_PA_BASE_SRAM 0x40000000
+#define NV_PA_BASE_SRAM_SIZE 0x20000
+
+/* Address at which WB code runs, it must not overlap Bootrom's IRAM usage */
+#define NV_WB_RUN_ADDRESS 0x40020000
+
+#define NV_PA_ARM_PERIPHBASE 0x50040000
+#define NV_PA_PG_UP_BASE 0x60000000
+#define NV_PA_TMRUS_BASE 0x60005010
+#define NV_PA_CLK_RST_BASE 0x60006000
+#define NV_PA_FLOW_BASE 0x60007000
+#define NV_PA_GPIO_BASE 0x6000D000
+#define NV_PA_EVP_BASE 0x6000F000
+#define NV_PA_APB_MISC_BASE 0x70000000
+#define NV_PA_APB_MISC_GP_BASE (NV_PA_APB_MISC_BASE + 0x0800)
+#define NV_PA_APB_UARTA_BASE (NV_PA_APB_MISC_BASE + 0x6000)
+#define NV_PA_APB_UARTB_BASE (NV_PA_APB_MISC_BASE + 0x6040)
+#define NV_PA_APB_UARTC_BASE (NV_PA_APB_MISC_BASE + 0x6200)
+#define NV_PA_APB_UARTD_BASE (NV_PA_APB_MISC_BASE + 0x6300)
+#define NV_PA_APB_UARTE_BASE (NV_PA_APB_MISC_BASE + 0x6400)
+#define NV_PA_NAND_BASE (NV_PA_APB_MISC_BASE + 0x8000)
+#define NV_PA_SPI_BASE (NV_PA_APB_MISC_BASE + 0xC380)
+#define NV_PA_SLINK1_BASE (NV_PA_APB_MISC_BASE + 0xD400)
+#define NV_PA_SLINK2_BASE (NV_PA_APB_MISC_BASE + 0xD600)
+#define NV_PA_SLINK3_BASE (NV_PA_APB_MISC_BASE + 0xD800)
+#define NV_PA_SLINK4_BASE (NV_PA_APB_MISC_BASE + 0xDA00)
+#define NV_PA_SLINK5_BASE (NV_PA_APB_MISC_BASE + 0xDC00)
+#define NV_PA_SLINK6_BASE (NV_PA_APB_MISC_BASE + 0xDE00)
+#define TEGRA_DVC_BASE (NV_PA_APB_MISC_BASE + 0xD000)
+#define NV_PA_PMC_BASE (NV_PA_APB_MISC_BASE + 0xE400)
+#define NV_PA_EMC_BASE (NV_PA_APB_MISC_BASE + 0xF400)
+#define NV_PA_FUSE_BASE (NV_PA_APB_MISC_BASE + 0xF800)
+#define NV_PA_CSITE_BASE 0x70040000
+#define TEGRA_USB_ADDR_MASK 0xFFFFC000
+
+#define NV_PA_SDRC_CS0 NV_PA_SDRAM_BASE
+
+#define NVBOOTINFOTABLE_BCTSIZE 0x38 /* BCT size in BIT in IRAM */
+#define NVBOOTINFOTABLE_BCTPTR 0x3C /* BCT pointer in BIT in IRAM */
+
+#endif /* _TEGRA124_SOC_H_ */