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sunxi: DRAM initialisation for sun9i
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1 /*
2  * sun9i clock register definitions
3  *
4  * (C) Copyright 2015 Hans de Goede <hdegoede@redhat.com>
5  *
6  * SPDX-License-Identifier:     GPL-2.0+
7  */
8
9 #ifndef _SUNXI_CLOCK_SUN9I_H
10 #define _SUNXI_CLOCK_SUN9I_H
11
12 struct sunxi_ccm_reg {
13         u32 pll1_c0_cfg;        /* 0x00 c0cpu# pll configuration */
14         u32 pll2_c1_cfg;        /* 0x04 c1cpu# pll configuration */
15         u32 pll3_audio_cfg;     /* 0x08 audio pll configuration */
16         u32 pll4_periph0_cfg;   /* 0x0c peripheral0 pll configuration */
17         u32 pll5_ve_cfg;        /* 0x10 videoengine pll configuration */
18         u32 pll6_ddr_cfg;       /* 0x14 ddr pll configuration */
19         u32 pll7_video0_cfg;    /* 0x18 video0 pll configuration */
20         u32 pll8_video1_cfg;    /* 0x1c video1 pll configuration */
21         u32 pll9_gpu_cfg;       /* 0x20 gpu pll configuration */
22         u32 pll10_de_cfg;       /* 0x24 displayengine pll configuration */
23         u32 pll11_isp_cfg;      /* 0x28 isp pll6 ontrol */
24         u32 pll12_periph1_cfg;  /* 0x2c peripheral1 pll configuration */
25         u8 reserved1[0x20];     /* 0x30 */
26         u32 cpu_clk_source;     /* 0x50 cpu clk source configuration */
27         u32 c0_cfg;             /* 0x54 cpu cluster 0 clock configuration */
28         u32 c1_cfg;             /* 0x58 cpu cluster 1 clock configuration */
29         u32 gtbus_cfg;          /* 0x5c gtbus clock configuration */
30         u32 ahb0_cfg;           /* 0x60 ahb0 clock configuration */
31         u32 ahb1_cfg;           /* 0x64 ahb1 clock configuration */
32         u32 ahb2_cfg;           /* 0x68 ahb2 clock configuration */
33         u8 reserved2[0x04];     /* 0x6c */
34         u32 apb0_cfg;           /* 0x70 apb0 clock configuration */
35         u32 apb1_cfg;           /* 0x74 apb1 clock configuration */
36         u32 cci400_cfg;         /* 0x78 cci400 clock configuration */
37         u8 reserved3[0x04];     /* 0x7c */
38         u32 ats_cfg;            /* 0x80 ats clock configuration */
39         u32 trace_cfg;          /* 0x84 trace clock configuration */
40         u8 reserved4[0x14];     /* 0x88 */
41         u32 pll_stable_status;  /* 0x9c */
42         u8 reserved5[0xe0];     /* 0xa0 */
43         u32 clk_output_a;       /* 0x180 clk_output_a */
44         u32 clk_output_b;       /* 0x184 clk_output_a */
45         u8 reserved6[0x278];    /* 0x188 */
46
47         u32 nand0_clk_cfg;      /* 0x400 nand0 clock configuration0 */
48         u32 nand0_clk_cfg1;     /* 0x404 nand1 clock configuration */
49         u8 reserved7[0x08];     /* 0x408 */
50         u32 sd0_clk_cfg;        /* 0x410 sd0 clock configuration */
51         u32 sd1_clk_cfg;        /* 0x414 sd1 clock configuration */
52         u32 sd2_clk_cfg;        /* 0x418 sd2 clock configuration */
53         u32 sd3_clk_cfg;        /* 0x41c sd3 clock configuration */
54         u8 reserved8[0x08];     /* 0x420 */
55         u32 ts_clk_cfg;         /* 0x428 transport stream clock cfg */
56         u32 ss_clk_cfg;         /* 0x42c security system clock cfg */
57         u32 spi0_clk_cfg;       /* 0x430 spi0 clock configuration */
58         u32 spi1_clk_cfg;       /* 0x434 spi1 clock configuration */
59         u32 spi2_clk_cfg;       /* 0x438 spi2 clock configuration */
60         u32 spi3_clk_cfg;       /* 0x43c spi3 clock configuration */
61         u8 reserved9[0x44];     /* 0x440 */
62         u32 dram_clk_cfg;       /* 0x484 DRAM (controller) clock config */
63         u8 reserved10[0x8];     /* 0x488 */
64         u32 de_clk_cfg;         /* 0x490 display engine clock configuration */
65         u8 reserved11[0x04];    /* 0x494 */
66         u32 mp_clk_cfg;         /* 0x498 mp clock configuration */
67         u32 lcd0_clk_cfg;       /* 0x49c LCD0 module clock */
68         u32 lcd1_clk_cfg;       /* 0x4a0 LCD1 module clock */
69         u8 reserved12[0x1c];    /* 0x4a4 */
70         u32 csi_isp_clk_cfg;    /* 0x4c0 CSI ISP module clock */
71         u32 csi0_clk_cfg;       /* 0x4c4 CSI0 module clock */
72         u32 csi1_clk_cfg;       /* 0x4c8 CSI1 module clock */
73         u32 fd_clk_cfg;         /* 0x4cc FD module clock */
74         u32 ve_clk_cfg;         /* 0x4d0 VE module clock */
75         u32 avs_clk_cfg;        /* 0x4d4 AVS module clock */
76         u8 reserved13[0x18];    /* 0x4d8 */
77         u32 gpu_core_clk_cfg;   /* 0x4f0 GPU core clock config */
78         u32 gpu_mem_clk_cfg;    /* 0x4f4 GPU memory clock config */
79         u32 gpu_axi_clk_cfg;    /* 0x4f8 GPU AXI clock config */
80         u8 reserved14[0x10];    /* 0x4fc */
81         u32 gp_adc_clk_cfg;     /* 0x50c General Purpose ADC clk config */
82         u8 reserved15[0x70];    /* 0x510 */
83
84         u32 ahb_gate0;          /* 0x580 AHB0 Gating Register */
85         u32 ahb_gate1;          /* 0x584 AHB1 Gating Register */
86         u32 ahb_gate2;          /* 0x588 AHB2 Gating Register */
87         u8 reserved16[0x04];    /* 0x58c */
88         u32 apb0_gate;          /* 0x590 APB0 Clock Gating Register */
89         u32 apb1_gate;          /* 0x594 APB1 Clock Gating Register */
90         u8 reserved17[0x08];    /* 0x598 */
91         u32 ahb_reset0_cfg;     /* 0x5a0 AHB0 Software Reset Register */
92         u32 ahb_reset1_cfg;     /* 0x5a4 AHB1 Software Reset Register */
93         u32 ahb_reset2_cfg;     /* 0x5a8 AHB2 Software Reset Register */
94         u8 reserved18[0x04];    /* 0x5ac */
95         u32 apb0_reset_cfg;     /* 0x5b0 Bus Software Reset Register 3 */
96         u32 apb1_reset_cfg;     /* 0x5b4 Bus Software Reset Register 4 */
97 };
98
99 /* pll4_periph0_cfg */
100 #define PLL4_CFG_DEFAULT                0x90002800 /* 960 MHz */
101
102 #define CCM_PLL4_CTRL_N_SHIFT           8
103 #define CCM_PLL4_CTRL_N_MASK            (0xff << CCM_PLL4_CTRL_N_SHIFT)
104 #define CCM_PLL4_CTRL_P_SHIFT           16
105 #define CCM_PLL4_CTRL_P_MASK            (0x1 << CCM_PLL4_CTRL_P_SHIFT)
106 #define CCM_PLL4_CTRL_M_SHIFT           18
107 #define CCM_PLL4_CTRL_M_MASK            (0x1 << CCM_PLL4_CTRL_M_SHIFT)
108
109 /* sd#_clk_cfg fields */
110 #define CCM_MMC_CTRL_M(x)               ((x) - 1)
111 #define CCM_MMC_CTRL_OCLK_DLY(x)        ((x) << 8)
112 #define CCM_MMC_CTRL_N(x)               ((x) << 16)
113 #define CCM_MMC_CTRL_SCLK_DLY(x)        ((x) << 20)
114 #define CCM_MMC_CTRL_OSCM24             (0 << 24)
115 #define CCM_MMC_CTRL_PLL_PERIPH0        (1 << 24)
116 #define CCM_MMC_CTRL_ENABLE             (1 << 31)
117
118 /* ahb_gate0 fields */
119 #define AHB_GATE_OFFSET_MCTL            14
120
121 /* On sun9i all sdc-s share their ahb gate, so ignore (x) */
122 #define AHB_GATE_OFFSET_NAND0           13
123 #define AHB_GATE_OFFSET_MMC(x)          8
124
125 /* ahb gate1 field */
126 #define AHB_GATE_OFFSET_DMA             24
127
128 /* apb1_gate fields */
129 #define APB1_GATE_UART_SHIFT            16
130 #define APB1_GATE_UART_MASK             (0xff << APB1_GATE_UART_SHIFT)
131 #define APB1_GATE_TWI_SHIFT             0
132 #define APB1_GATE_TWI_MASK              (0xf << APB1_GATE_TWI_SHIFT)
133
134 /* ahb_reset0_cfg fields */
135 #define AHB_RESET_OFFSET_MCTL           14
136
137 /* On sun9i all sdc-s share their ahb reset, so ignore (x) */
138 #define AHB_RESET_OFFSET_MMC(x)         8
139
140 /* apb1_reset_cfg fields */
141 #define APB1_RESET_UART_SHIFT           16
142 #define APB1_RESET_UART_MASK            (0xff << APB1_RESET_UART_SHIFT)
143 #define APB1_RESET_TWI_SHIFT            0
144 #define APB1_RESET_TWI_MASK             (0xf << APB1_RESET_TWI_SHIFT)
145
146
147 #ifndef __ASSEMBLY__
148 unsigned int clock_get_pll4_periph0(void);
149 #endif
150
151 #endif /* _SUNXI_CLOCK_SUN9I_H */