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 #include <linux/mbus.h>
12 #ifdef CONFIG_NET
13 #include <netdev.h>
14 #endif
15 #include "theadorable.h"
16 
17 #include "../drivers/ddr/marvell/axp/ddr3_hw_training.h"
18 #include "../arch/arm/mach-mvebu/serdes/axp/high_speed_env_spec.h"
19 
20 DECLARE_GLOBAL_DATA_PTR;
21 
22 #define THEADORABLE_GPP_OUT_ENA_LOW	0x00336780
23 #define THEADORABLE_GPP_OUT_ENA_MID	0x00003cf0
24 #define THEADORABLE_GPP_OUT_ENA_HIGH	(~(0x0))
25 
26 #define THEADORABLE_GPP_OUT_VAL_LOW	0x2c0c983f
27 #define THEADORABLE_GPP_OUT_VAL_MID	0x0007000c
28 #define THEADORABLE_GPP_OUT_VAL_HIGH	0x00000000
29 
30 /* DDR3 static configuration */
31 static MV_DRAM_MC_INIT ddr3_theadorable[MV_MAX_DDR3_STATIC_SIZE] = {
32 	{0x00001400, 0x7301ca28},	/* DDR SDRAM Configuration Register */
33 	{0x00001404, 0x30000800},	/* Dunit Control Low Register */
34 	{0x00001408, 0x44149887},	/* DDR SDRAM Timing (Low) Register */
35 	{0x0000140C, 0x38d93fc7},	/* DDR SDRAM Timing (High) Register */
36 	{0x00001410, 0x1b100001},	/* DDR SDRAM Address Control Register */
37 	{0x00001424, 0x0000f3ff},	/* Dunit Control High Register */
38 	{0x00001428, 0x000f8830},	/* ODT Timing (Low) Register */
39 	{0x0000142C, 0x014c50f4},	/* DDR3 Timing Register */
40 	{0x0000147C, 0x0000c671},	/* ODT Timing (High) Register */
41 
42 	{0x00001494, 0x00010000},	/* DDR SDRAM ODT Control (Low) Reg */
43 	{0x0000149C, 0x00000001},	/* DDR Dunit ODT Control Register */
44 	{0x000014A0, 0x00000001},	/* DRAM FIFO Control Register */
45 	{0x000014A8, 0x00000101},	/* AXI Control Register */
46 
47 	/*
48 	 * DO NOT Modify - Open Mbus Window - 2G - Mbus is required for the
49 	 * training sequence
50 	 */
51 	{0x000200e8, 0x3fff0e01},
52 	{0x00020184, 0x3fffffe0},	/* Close fast path Window to - 2G */
53 
54 	{0x0001504, 0x7fffffe1},	/* CS0 Size */
55 	{0x000150C, 0x00000000},	/* CS1 Size */
56 	{0x0001514, 0x00000000},	/* CS2 Size */
57 	{0x000151C, 0x00000000},	/* CS3 Size */
58 
59 	{0x00020220, 0x00000007},	/* Reserved */
60 
61 	{0x00001538, 0x00000009},	/* Read Data Sample Delays Register */
62 	{0x0000153C, 0x00000009},	/* Read Data Ready Delay Register */
63 
64 	{0x000015D0, 0x00000650},	/* MR0 */
65 	{0x000015D4, 0x00000044},	/* MR1 */
66 	{0x000015D8, 0x00000010},	/* MR2 */
67 	{0x000015DC, 0x00000000},	/* MR3 */
68 	{0x000015E0, 0x00000001},
69 	{0x000015E4, 0x00203c18},	/* ZQDS Configuration Register */
70 	{0x000015EC, 0xf800a225},	/* DDR PHY */
71 
72 	/* Recommended Settings from Marvell for 4 x 16 bit devices: */
73 	{0x000014C0, 0x192424c9},	/* DRAM addr and Ctrl Driving Strenght*/
74 	{0x000014C4, 0x0aaa24c9},	/* DRAM Data and DQS Driving Strenght */
75 
76 	{0x0, 0x0}
77 };
78 
79 static MV_DRAM_MODES board_ddr_modes[MV_DDR3_MODES_NUMBER] = {
80 	{"theadorable_1333-667", 0x3, 0x5, 0x0, A0, ddr3_theadorable,  NULL},
81 };
82 
83 extern MV_SERDES_CHANGE_M_PHY serdes_change_m_phy[];
84 
85 /*
86  * Lane0 - PCIE0.0 X1 (to WIFI Module)
87  * Lane5 - SATA0
88  * Lane6 - SATA1
89  * Lane7 - SGMII0 (to Ethernet Phy)
90  * Lane8-11 - PCIE2.0 X4 (to PEX Switch)
91  * all other lanes are disabled
92  */
93 MV_BIN_SERDES_CFG theadorable_serdes_cfg[] = {
94 	{ MV_PEX_ROOT_COMPLEX, 0x22200001, 0x00001111,
95 	  { PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4,
96 	    PEX_BUS_DISABLED },
97 	  0x0060, serdes_change_m_phy
98 	},
99 };
100 
101 MV_DRAM_MODES *ddr3_get_static_ddr_mode(void)
102 {
103 	/* Only one mode supported for this board */
104 	return &board_ddr_modes[0];
105 }
106 
107 MV_BIN_SERDES_CFG *board_serdes_cfg_get(u8 pex_mode)
108 {
109 	return &theadorable_serdes_cfg[0];
110 }
111 
112 int board_early_init_f(void)
113 {
114 	/* Configure MPP */
115 	writel(0x00000000, MVEBU_MPP_BASE + 0x00);
116 	writel(0x03300000, MVEBU_MPP_BASE + 0x04);
117 	writel(0x00000033, MVEBU_MPP_BASE + 0x08);
118 	writel(0x00000000, MVEBU_MPP_BASE + 0x0c);
119 	writel(0x11110000, MVEBU_MPP_BASE + 0x10);
120 	writel(0x00221100, MVEBU_MPP_BASE + 0x14);
121 	writel(0x00000000, MVEBU_MPP_BASE + 0x18);
122 	writel(0x00000000, MVEBU_MPP_BASE + 0x1c);
123 	writel(0x00000000, MVEBU_MPP_BASE + 0x20);
124 
125 	/* Configure GPIO */
126 	writel(THEADORABLE_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
127 	writel(THEADORABLE_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
128 	writel(THEADORABLE_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
129 	writel(THEADORABLE_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
130 	writel(THEADORABLE_GPP_OUT_VAL_HIGH, MVEBU_GPIO2_BASE + 0x00);
131 	writel(THEADORABLE_GPP_OUT_ENA_HIGH, MVEBU_GPIO2_BASE + 0x04);
132 
133 	return 0;
134 }
135 
136 int board_init(void)
137 {
138 	/* adress of boot parameters */
139 	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
140 
141 	/*
142 	 * Map SPI devices via MBUS so that they can be accessed via
143 	 * the SPI direct access mode
144 	 */
145 	mbus_dt_setup_win(&mbus_state, SPI_BUS0_DEV1_BASE, SPI_BUS0_DEV1_SIZE,
146 			  CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_SPI0_CS1);
147 	mbus_dt_setup_win(&mbus_state, SPI_BUS1_DEV2_BASE, SPI_BUS0_DEV1_SIZE,
148 			  CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_SPI1_CS2);
149 
150 	return 0;
151 }
152 
153 int checkboard(void)
154 {
155 	puts("Board: theadorable\n");
156 
157 	board_fpga_add();
158 
159 	return 0;
160 }
161 
162 #ifdef CONFIG_NET
163 int board_eth_init(bd_t *bis)
164 {
165 	cpu_eth_init(bis); /* Built in controller(s) come first */
166 	return pci_eth_init(bis);
167 }
168 #endif
169 
170 int board_video_init(void)
171 {
172 	struct mvebu_lcd_info lcd_info;
173 
174 	/* Reserved memory area via CONFIG_SYS_MEM_TOP_HIDE */
175 	lcd_info.fb_base	= gd->ram_size;
176 	lcd_info.x_res		= 240;
177 	lcd_info.x_fp		= 1;
178 	lcd_info.x_bp		= 45;
179 	lcd_info.y_res		= 320;
180 	lcd_info.y_fp		= 1;
181 	lcd_info.y_bp		= 3;
182 
183 	return mvebu_lcd_register_init(&lcd_info);
184 }
185