2 * (C) Copyright 2010,2011
3 * NVIDIA Corporation <www.nvidia.com>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 /* PLL registers - there are several PLLs in the clock controller */
29 uint pll_base; /* the control register */
30 uint pll_out[2]; /* output control */
31 uint pll_misc; /* other misc things */
34 /* PLL registers - there are several PLLs in the clock controller */
35 struct clk_pll_simple {
36 uint pll_base; /* the control register */
37 uint pll_misc; /* other misc things */
41 * Most PLLs use the clk_pll structure, but some have a simpler two-member
42 * structure for which we use clk_pll_simple. The reason for this non-
43 * othogonal setup is not stated.
46 TEGRA_CLK_PLLS = 6, /* Number of normal PLLs */
47 TEGRA_CLK_SIMPLE_PLLS = 3, /* Number of simple PLLs */
48 TEGRA_CLK_REGS = 3, /* Number of clock enable registers */
49 TEGRA_CLK_SOURCES = 64, /* Number of peripheral clock sources */
52 /* Clock/Reset Controller (CLK_RST_CONTROLLER_) regs */
54 uint crc_rst_src; /* _RST_SOURCE_0,0x00 */
55 uint crc_rst_dev[TEGRA_CLK_REGS]; /* _RST_DEVICES_L/H/U_0 */
56 uint crc_clk_out_enb[TEGRA_CLK_REGS]; /* _CLK_OUT_ENB_L/H/U_0 */
57 uint crc_reserved0; /* reserved_0, 0x1C */
58 uint crc_cclk_brst_pol; /* _CCLK_BURST_POLICY_0,0x20 */
59 uint crc_super_cclk_div; /* _SUPER_CCLK_DIVIDER_0,0x24 */
60 uint crc_sclk_brst_pol; /* _SCLK_BURST_POLICY_0, 0x28 */
61 uint crc_super_sclk_div; /* _SUPER_SCLK_DIVIDER_0,0x2C */
62 uint crc_clk_sys_rate; /* _CLK_SYSTEM_RATE_0, 0x30 */
63 uint crc_prog_dly_clk; /* _PROG_DLY_CLK_0, 0x34 */
64 uint crc_aud_sync_clk_rate; /* _AUDIO_SYNC_CLK_RATE_0,0x38 */
65 uint crc_reserved1; /* reserved_1, 0x3C */
66 uint crc_cop_clk_skip_plcy; /* _COP_CLK_SKIP_POLICY_0,0x40 */
67 uint crc_clk_mask_arm; /* _CLK_MASK_ARM_0, 0x44 */
68 uint crc_misc_clk_enb; /* _MISC_CLK_ENB_0, 0x48 */
69 uint crc_clk_cpu_cmplx; /* _CLK_CPU_CMPLX_0, 0x4C */
70 uint crc_osc_ctrl; /* _OSC_CTRL_0, 0x50 */
71 uint crc_pll_lfsr; /* _PLL_LFSR_0, 0x54 */
72 uint crc_osc_freq_det; /* _OSC_FREQ_DET_0, 0x58 */
73 uint crc_osc_freq_det_stat; /* _OSC_FREQ_DET_STATUS_0,0x5C */
74 uint crc_reserved2[8]; /* reserved_2[8], 0x60-7C */
76 struct clk_pll crc_pll[TEGRA_CLK_PLLS]; /* PLLs from 0x80 to 0xdc */
78 /* PLLs from 0xe0 to 0xf4 */
79 struct clk_pll_simple crc_pll_simple[TEGRA_CLK_SIMPLE_PLLS];
81 uint crc_reserved10; /* _reserved_10, 0xF8 */
82 uint crc_reserved11; /* _reserved_11, 0xFC */
84 uint crc_clk_src[TEGRA_CLK_SOURCES]; /*_I2S1_0... 0x100-1fc */
85 uint crc_reserved20[80]; /* 0x200-33C */
86 uint crc_cpu_cmplx_set; /* _CPU_CMPLX_SET_0, 0x340 */
87 uint crc_cpu_cmplx_clr; /* _CPU_CMPLX_CLR_0, 0x344 */
90 /* CLK_RST_CONTROLLER_CLK_CPU_CMPLX_0 */
91 #define CPU1_CLK_STP_SHIFT 9
93 #define CPU0_CLK_STP_SHIFT 8
94 #define CPU0_CLK_STP_MASK (1U << CPU0_CLK_STP_SHIFT)
96 /* CLK_RST_CONTROLLER_PLLx_BASE_0 */
97 #define PLL_BYPASS_SHIFT 31
98 #define PLL_BYPASS_MASK (1U << PLL_BYPASS_SHIFT)
100 #define PLL_ENABLE_SHIFT 30
101 #define PLL_ENABLE_MASK (1U << PLL_ENABLE_SHIFT)
103 #define PLL_BASE_OVRRIDE_MASK (1U << 28)
105 #define PLL_DIVP_SHIFT 20
106 #define PLL_DIVP_MASK (7U << PLL_DIVP_SHIFT)
108 #define PLL_DIVN_SHIFT 8
109 #define PLL_DIVN_MASK (0x3ffU << PLL_DIVN_SHIFT)
111 #define PLL_DIVM_SHIFT 0
112 #define PLL_DIVM_MASK (0x1f << PLL_DIVM_SHIFT)
114 /* CLK_RST_CONTROLLER_PLLx_OUTx_0 */
115 #define PLL_OUT_RSTN (1 << 0)
116 #define PLL_OUT_CLKEN (1 << 1)
117 #define PLL_OUT_OVRRIDE (1 << 2)
119 #define PLL_OUT_RATIO_SHIFT 8
120 #define PLL_OUT_RATIO_MASK (0xffU << PLL_OUT_RATIO_SHIFT)
122 /* CLK_RST_CONTROLLER_PLLx_MISC_0 */
123 #define PLL_CPCON_SHIFT 8
124 #define PLL_CPCON_MASK (15U << PLL_CPCON_SHIFT)
126 #define PLL_LFCON_SHIFT 4
127 #define PLL_LFCON_MASK (15U << PLL_LFCON_SHIFT)
129 #define PLLU_VCO_FREQ_SHIFT 20
130 #define PLLU_VCO_FREQ_MASK (1U << PLLU_VCO_FREQ_SHIFT)
132 /* CLK_RST_CONTROLLER_OSC_CTRL_0 */
133 #define OSC_FREQ_SHIFT 30
134 #define OSC_FREQ_MASK (3U << OSC_FREQ_SHIFT)
135 #define OSC_XOBP_SHIFT 1
136 #define OSC_XOBP_MASK (1U << OSC_XOBP_SHIFT)
139 * CLK_RST_CONTROLLER_CLK_SOURCE_x_OUT_0 - the mask here is normally 8 bits
140 * but can be 16. We could use knowledge we have to restrict the mask in
141 * the 8-bit cases (the divider_bits value returned by
142 * get_periph_clock_source()) but it does not seem worth it since the code
143 * already checks the ranges of values it is writing, in clk_get_divider().
145 #define OUT_CLK_DIVISOR_SHIFT 0
146 #define OUT_CLK_DIVISOR_MASK (0xffff << OUT_CLK_DIVISOR_SHIFT)
148 #define OUT_CLK_SOURCE_SHIFT 30
149 #define OUT_CLK_SOURCE_MASK (3U << OUT_CLK_SOURCE_SHIFT)
151 #define OUT_CLK_SOURCE4_SHIFT 28
152 #define OUT_CLK_SOURCE4_MASK (15U << OUT_CLK_SOURCE4_SHIFT)
154 #endif /* CLK_RST_H */