1 /*
2  * Copyright (C) 2015-2016 Stefan Roese <sr@denx.de>
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <asm/io.h>
9 #include <asm/arch/cpu.h>
10 #include <asm/arch/soc.h>
11 #ifdef CONFIG_NET
12 #include <netdev.h>
13 #endif
14 
15 #include "../drivers/ddr/marvell/axp/ddr3_hw_training.h"
16 #include "../arch/arm/mach-mvebu/serdes/axp/high_speed_env_spec.h"
17 
18 DECLARE_GLOBAL_DATA_PTR;
19 
20 #define THEADORABLE_GPP_OUT_ENA_LOW	0x00336780
21 #define THEADORABLE_GPP_OUT_ENA_MID	0x00003cf0
22 #define THEADORABLE_GPP_OUT_ENA_HIGH	(~(0x0))
23 
24 #define THEADORABLE_GPP_OUT_VAL_LOW	0x2c0c983f
25 #define THEADORABLE_GPP_OUT_VAL_MID	0x0007000c
26 #define THEADORABLE_GPP_OUT_VAL_HIGH	0x00000000
27 
28 /* DDR3 static configuration */
29 static MV_DRAM_MC_INIT ddr3_theadorable[MV_MAX_DDR3_STATIC_SIZE] = {
30 	{0x00001400, 0x7301ca28},	/* DDR SDRAM Configuration Register */
31 	{0x00001404, 0x30000800},	/* Dunit Control Low Register */
32 	{0x00001408, 0x44149887},	/* DDR SDRAM Timing (Low) Register */
33 	{0x0000140C, 0x38d93fc7},	/* DDR SDRAM Timing (High) Register */
34 	{0x00001410, 0x1b100001},	/* DDR SDRAM Address Control Register */
35 	{0x00001424, 0x0000f3ff},	/* Dunit Control High Register */
36 	{0x00001428, 0x000f8830},	/* ODT Timing (Low) Register */
37 	{0x0000142C, 0x014c50f4},	/* DDR3 Timing Register */
38 	{0x0000147C, 0x0000c671},	/* ODT Timing (High) Register */
39 
40 	{0x00001494, 0x00010000},	/* DDR SDRAM ODT Control (Low) Reg */
41 	{0x0000149C, 0x00000001},	/* DDR Dunit ODT Control Register */
42 	{0x000014A0, 0x00000001},	/* DRAM FIFO Control Register */
43 	{0x000014A8, 0x00000101},	/* AXI Control Register */
44 
45 	/*
46 	 * DO NOT Modify - Open Mbus Window - 2G - Mbus is required for the
47 	 * training sequence
48 	 */
49 	{0x000200e8, 0x3fff0e01},
50 	{0x00020184, 0x3fffffe0},	/* Close fast path Window to - 2G */
51 
52 	{0x0001504, 0x7fffffe1},	/* CS0 Size */
53 	{0x000150C, 0x00000000},	/* CS1 Size */
54 	{0x0001514, 0x00000000},	/* CS2 Size */
55 	{0x000151C, 0x00000000},	/* CS3 Size */
56 
57 	{0x00020220, 0x00000007},	/* Reserved */
58 
59 	{0x00001538, 0x00000009},	/* Read Data Sample Delays Register */
60 	{0x0000153C, 0x00000009},	/* Read Data Ready Delay Register */
61 
62 	{0x000015D0, 0x00000650},	/* MR0 */
63 	{0x000015D4, 0x00000044},	/* MR1 */
64 	{0x000015D8, 0x00000010},	/* MR2 */
65 	{0x000015DC, 0x00000000},	/* MR3 */
66 	{0x000015E0, 0x00000001},
67 	{0x000015E4, 0x00203c18},	/* ZQDS Configuration Register */
68 	{0x000015EC, 0xf800a225},	/* DDR PHY */
69 
70 	/* Recommended Settings from Marvell for 4 x 16 bit devices: */
71 	{0x000014C0, 0x192424c9},	/* DRAM addr and Ctrl Driving Strenght*/
72 	{0x000014C4, 0x0aaa24c9},	/* DRAM Data and DQS Driving Strenght */
73 
74 	{0x0, 0x0}
75 };
76 
77 static MV_DRAM_MODES board_ddr_modes[MV_DDR3_MODES_NUMBER] = {
78 	{"theadorable_1333-667", 0x3, 0x5, 0x0, A0, ddr3_theadorable,  NULL},
79 };
80 
81 extern MV_SERDES_CHANGE_M_PHY serdes_change_m_phy[];
82 
83 /*
84  * Lane0 - PCIE0.0 X1 (to WIFI Module)
85  * Lane5 - SATA0
86  * Lane6 - SATA1
87  * Lane7 - SGMII0 (to Ethernet Phy)
88  * Lane8-11 - PCIE2.0 X4 (to PEX Switch)
89  * all other lanes are disabled
90  */
91 MV_BIN_SERDES_CFG theadorable_serdes_cfg[] = {
92 	{ MV_PEX_ROOT_COMPLEX, 0x22200001, 0x00001111,
93 	  { PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4,
94 	    PEX_BUS_DISABLED },
95 	  0x0060, serdes_change_m_phy
96 	},
97 };
98 
99 MV_DRAM_MODES *ddr3_get_static_ddr_mode(void)
100 {
101 	/* Only one mode supported for this board */
102 	return &board_ddr_modes[0];
103 }
104 
105 MV_BIN_SERDES_CFG *board_serdes_cfg_get(u8 pex_mode)
106 {
107 	return &theadorable_serdes_cfg[0];
108 }
109 
110 int board_early_init_f(void)
111 {
112 	/* Configure MPP */
113 	writel(0x00000000, MVEBU_MPP_BASE + 0x00);
114 	writel(0x03300000, MVEBU_MPP_BASE + 0x04);
115 	writel(0x00000033, MVEBU_MPP_BASE + 0x08);
116 	writel(0x00000000, MVEBU_MPP_BASE + 0x0c);
117 	writel(0x11110000, MVEBU_MPP_BASE + 0x10);
118 	writel(0x00221100, MVEBU_MPP_BASE + 0x14);
119 	writel(0x00000000, MVEBU_MPP_BASE + 0x18);
120 	writel(0x00000000, MVEBU_MPP_BASE + 0x1c);
121 	writel(0x00000000, MVEBU_MPP_BASE + 0x20);
122 
123 	/* Configure GPIO */
124 	writel(THEADORABLE_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
125 	writel(THEADORABLE_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
126 	writel(THEADORABLE_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
127 	writel(THEADORABLE_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
128 	writel(THEADORABLE_GPP_OUT_VAL_HIGH, MVEBU_GPIO2_BASE + 0x00);
129 	writel(THEADORABLE_GPP_OUT_ENA_HIGH, MVEBU_GPIO2_BASE + 0x04);
130 
131 	return 0;
132 }
133 
134 int board_init(void)
135 {
136 	/* adress of boot parameters */
137 	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
138 
139 	return 0;
140 }
141 
142 int checkboard(void)
143 {
144 	puts("Board: theadorable\n");
145 
146 	return 0;
147 }
148 
149 #ifdef CONFIG_NET
150 int board_eth_init(bd_t *bis)
151 {
152 	cpu_eth_init(bis); /* Built in controller(s) come first */
153 	return pci_eth_init(bis);
154 }
155 #endif
156 
157 int board_video_init(void)
158 {
159 	struct mvebu_lcd_info lcd_info;
160 
161 	/* Reserved memory area via CONFIG_SYS_MEM_TOP_HIDE */
162 	lcd_info.fb_base	= gd->ram_size;
163 	lcd_info.x_res		= 240;
164 	lcd_info.x_fp		= 1;
165 	lcd_info.x_bp		= 45;
166 	lcd_info.y_res		= 320;
167 	lcd_info.y_fp		= 1;
168 	lcd_info.y_bp		= 3;
169 
170 	return mvebu_lcd_register_init(&lcd_info);
171 }
172