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b4ba2be8dc
This adds functions to enable/disable clocks and reset to on-chip peripherals. Signed-off-by: Simon Glass <sjg@chromium.org>
213 lines
7.4 KiB
C
213 lines
7.4 KiB
C
/*
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* (C) Copyright 2010,2011
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* NVIDIA Corporation <www.nvidia.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef _CLK_RST_H_
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#define _CLK_RST_H_
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/* PLL registers - there are several PLLs in the clock controller */
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struct clk_pll {
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uint pll_base; /* the control register */
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uint pll_out; /* output control */
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uint reserved;
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uint pll_misc; /* other misc things */
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};
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/* PLL registers - there are several PLLs in the clock controller */
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struct clk_pll_simple {
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uint pll_base; /* the control register */
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uint pll_misc; /* other misc things */
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};
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/*
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* Most PLLs use the clk_pll structure, but some have a simpler two-member
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* structure for which we use clk_pll_simple. The reason for this non-
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* othogonal setup is not stated.
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*/
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#define TEGRA_CLK_PLLS 6
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#define TEGRA_CLK_SIMPLE_PLLS 3 /* Number of simple PLLs */
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#define TEGRA_CLK_REGS 3 /* Number of clock enable registers */
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/* Clock/Reset Controller (CLK_RST_CONTROLLER_) regs */
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struct clk_rst_ctlr {
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uint crc_rst_src; /* _RST_SOURCE_0,0x00 */
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uint crc_rst_dev[TEGRA_CLK_REGS]; /* _RST_DEVICES_L/H/U_0 */
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uint crc_clk_out_enb[TEGRA_CLK_REGS]; /* _CLK_OUT_ENB_L/H/U_0 */
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uint crc_reserved0; /* reserved_0, 0x1C */
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uint crc_cclk_brst_pol; /* _CCLK_BURST_POLICY_0,0x20 */
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uint crc_super_cclk_div; /* _SUPER_CCLK_DIVIDER_0,0x24 */
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uint crc_sclk_brst_pol; /* _SCLK_BURST_POLICY_0, 0x28 */
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uint crc_super_sclk_div; /* _SUPER_SCLK_DIVIDER_0,0x2C */
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uint crc_clk_sys_rate; /* _CLK_SYSTEM_RATE_0, 0x30 */
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uint crc_prog_dly_clk; /* _PROG_DLY_CLK_0, 0x34 */
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uint crc_aud_sync_clk_rate; /* _AUDIO_SYNC_CLK_RATE_0,0x38 */
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uint crc_reserved1; /* reserved_1, 0x3C */
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uint crc_cop_clk_skip_plcy; /* _COP_CLK_SKIP_POLICY_0,0x40 */
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uint crc_clk_mask_arm; /* _CLK_MASK_ARM_0, 0x44 */
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uint crc_misc_clk_enb; /* _MISC_CLK_ENB_0, 0x48 */
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uint crc_clk_cpu_cmplx; /* _CLK_CPU_CMPLX_0, 0x4C */
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uint crc_osc_ctrl; /* _OSC_CTRL_0, 0x50 */
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uint crc_pll_lfsr; /* _PLL_LFSR_0, 0x54 */
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uint crc_osc_freq_det; /* _OSC_FREQ_DET_0, 0x58 */
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uint crc_osc_freq_det_stat; /* _OSC_FREQ_DET_STATUS_0,0x5C */
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uint crc_reserved2[8]; /* reserved_2[8], 0x60-7C */
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struct clk_pll crc_pll[TEGRA_CLK_PLLS]; /* PLLs from 0x80 to 0xdc */
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/* PLLs from 0xe0 to 0xf4 */
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struct clk_pll_simple crc_pll_simple[TEGRA_CLK_SIMPLE_PLLS];
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uint crc_reserved10; /* _reserved_10, 0xF8 */
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uint crc_reserved11; /* _reserved_11, 0xFC */
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uint crc_clk_src_i2s1; /*_I2S1_0, 0x100 */
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uint crc_clk_src_i2s2; /*_I2S2_0, 0x104 */
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uint crc_clk_src_spdif_out; /*_SPDIF_OUT_0, 0x108 */
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uint crc_clk_src_spdif_in; /*_SPDIF_IN_0, 0x10C */
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uint crc_clk_src_pwm; /*_PWM_0, 0x110 */
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uint crc_clk_src_spi1; /*_SPI1_0, 0x114 */
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uint crc_clk_src_sbc2; /*_SBC2_0, 0x118 */
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uint crc_clk_src_sbc3; /*_SBC3_0, 0x11C */
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uint crc_clk_src_xio; /*_XIO_0, 0x120 */
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uint crc_clk_src_i2c1; /*_I2C1_0, 0x124 */
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uint crc_clk_src_dvc_i2c; /*_DVC_I2C_0, 0x128 */
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uint crc_clk_src_twc; /*_TWC_0, 0x12C */
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uint crc_reserved12; /* 0x130 */
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uint crc_clk_src_sbc1; /*_SBC1_0, 0x134 */
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uint crc_clk_src_disp1; /*_DISP1_0, 0x138 */
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uint crc_clk_src_disp2; /*_DISP2_0, 0x13C */
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uint crc_clk_src_cve; /*_CVE_0, 0x140 */
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uint crc_clk_src_ide; /*_IDE_0, 0x144 */
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uint crc_clk_src_vi; /*_VI_0, 0x148 */
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uint crc_reserved13; /* 0x14C */
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uint crc_clk_src_sdmmc1; /*_SDMMC1_0, 0x150 */
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uint crc_clk_src_sdmmc2; /*_SDMMC2_0, 0x154 */
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uint crc_clk_src_g3d; /*_G3D_0, 0x158 */
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uint crc_clk_src_g2d; /*_G2D_0, 0x15C */
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uint crc_clk_src_ndflash; /*_NDFLASH_0, 0x160 */
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uint crc_clk_src_sdmmc4; /*_SDMMC4_0, 0x164 */
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uint crc_clk_src_vfir; /*_VFIR_0, 0x168 */
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uint crc_clk_src_epp; /*_EPP_0, 0x16C */
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uint crc_clk_src_mp3; /*_MPE_0, 0x170 */
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uint crc_clk_src_mipi; /*_MIPI_0, 0x174 */
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uint crc_clk_src_uarta; /*_UARTA_0, 0x178 */
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uint crc_clk_src_uartb; /*_UARTB_0, 0x17C */
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uint crc_clk_src_host1x; /*_HOST1X_0, 0x180 */
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uint crc_reserved14; /* 0x184 */
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uint crc_clk_src_tvo; /*_TVO_0, 0x188 */
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uint crc_clk_src_hdmi; /*_HDMI_0, 0x18C */
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uint crc_reserved15; /* 0x190 */
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uint crc_clk_src_tvdac; /*_TVDAC_0, 0x194 */
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uint crc_clk_src_i2c2; /*_I2C2_0, 0x198 */
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uint crc_clk_src_emc; /*_EMC_0, 0x19C */
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uint crc_clk_src_uartc; /*_UARTC_0, 0x1A0 */
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uint crc_reserved16; /* 0x1A4 */
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uint crc_clk_src_vi_sensor; /*_VI_SENSOR_0, 0x1A8 */
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uint crc_reserved17; /* 0x1AC */
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uint crc_reserved18; /* 0x1B0 */
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uint crc_clk_src_sbc4; /*_SBC4_0, 0x1B4 */
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uint crc_clk_src_i2c3; /*_I2C3_0, 0x1B8 */
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uint crc_clk_src_sdmmc3; /*_SDMMC3_0, 0x1BC */
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uint crc_clk_src_uartd; /*_UARTD_0, 0x1C0 */
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uint crc_clk_src_uarte; /*_UARTE_0, 0x1C4 */
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uint crc_clk_src_vde; /*_VDE_0, 0x1C8 */
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uint crc_clk_src_owr; /*_OWR_0, 0x1CC */
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uint crc_clk_src_nor; /*_NOR_0, 0x1D0 */
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uint crc_clk_src_csite; /*_CSITE_0, 0x1D4 */
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uint crc_reserved19[9]; /* 0x1D8-1F8 */
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uint crc_clk_src_osc; /*_OSC_0, 0x1FC */
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uint crc_reserved20[80]; /* 0x200-33C */
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uint crc_cpu_cmplx_set; /* _CPU_CMPLX_SET_0, 0x340 */
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uint crc_cpu_cmplx_clr; /* _CPU_CMPLX_CLR_0, 0x344 */
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};
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#define PLL_BYPASS (1 << 31)
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#define PLL_ENABLE (1 << 30)
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#define PLL_BASE_OVRRIDE (1 << 28)
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#define PLL_DIVP_VALUE (1 << 20) /* post divider, b22:20 */
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#define PLL_DIVM_VALUE 0x0C /* input divider, b4:0 */
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#define SWR_UARTD_RST (1 << 1)
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#define CLK_ENB_UARTD (1 << 1)
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#define SWR_UARTA_RST (1 << 6)
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#define CLK_ENB_UARTA (1 << 6)
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#define SWR_CPU_RST (1 << 0)
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#define CLK_ENB_CPU (1 << 0)
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#define SWR_CSITE_RST (1 << 9)
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#define CLK_ENB_CSITE (1 << 9)
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#define SET_CPURESET0 (1 << 0)
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#define SET_DERESET0 (1 << 4)
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#define SET_DBGRESET0 (1 << 12)
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#define SET_CPURESET1 (1 << 1)
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#define SET_DERESET1 (1 << 5)
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#define SET_DBGRESET1 (1 << 13)
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#define CLR_CPURESET0 (1 << 0)
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#define CLR_DERESET0 (1 << 4)
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#define CLR_DBGRESET0 (1 << 12)
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#define CLR_CPURESET1 (1 << 1)
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#define CLR_DERESET1 (1 << 5)
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#define CLR_DBGRESET1 (1 << 13)
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#define CPU0_CLK_STP (1 << 8)
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#define CPU1_CLK_STP (1 << 9)
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#define CPCON (1 << 8)
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/* CLK_RST_CONTROLLER_CLK_CPU_CMPLX_0 */
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#define CPU1_CLK_STP_SHIFT 9
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#define CPU0_CLK_STP_SHIFT 8
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#define CPU0_CLK_STP_MASK (1U << CPU0_CLK_STP_SHIFT)
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/* CLK_RST_CONTROLLER_PLLx_BASE_0 */
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#define PLL_BYPASS_SHIFT 31
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#define PLL_BYPASS_MASK (1U << PLL_BYPASS_SHIFT)
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#define PLL_ENABLE_SHIFT 30
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#define PLL_ENABLE_MASK (1U << PLL_ENABLE_SHIFT)
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#define PLL_BASE_OVRRIDE_MASK (1U << 28)
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#define PLL_DIVP_SHIFT 20
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#define PLL_DIVN_SHIFT 8
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#define PLL_DIVM_SHIFT 0
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/* CLK_RST_CONTROLLER_PLLx_MISC_0 */
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#define PLL_CPCON_SHIFT 8
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#define PLL_CPCON_MASK (15U << PLL_CPCON_SHIFT)
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#define PLL_LFCON_SHIFT 4
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#define PLLU_VCO_FREQ_SHIFT 20
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/* CLK_RST_CONTROLLER_OSC_CTRL_0 */
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#define OSC_FREQ_SHIFT 30
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#define OSC_FREQ_MASK (3U << OSC_FREQ_SHIFT)
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#endif /* CLK_RST_H */
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