2 * Copyright (C) 2015-2016 Stefan Roese <sr@denx.de>
4 * SPDX-License-Identifier: GPL-2.0+
12 #include <asm/arch/cpu.h>
13 #include <asm/arch/soc.h>
14 #include <linux/crc8.h>
15 #include <linux/mbus.h>
19 #include "theadorable.h"
21 #include "../drivers/ddr/marvell/axp/ddr3_hw_training.h"
22 #include "../arch/arm/mach-mvebu/serdes/axp/high_speed_env_spec.h"
24 DECLARE_GLOBAL_DATA_PTR;
26 #define MV_USB_PHY_BASE (MVEBU_AXP_USB_BASE + 0x800)
27 #define PHY_CHANNEL_RX_CTRL0_REG(port, chan) \
28 (MV_USB_PHY_BASE + ((port) << 12) + ((chan) << 6) + 0x8)
30 #define THEADORABLE_GPP_OUT_ENA_LOW 0x00336780
31 #define THEADORABLE_GPP_OUT_ENA_MID 0x00003cf0
32 #define THEADORABLE_GPP_OUT_ENA_HIGH (~(0x0))
34 #define THEADORABLE_GPP_OUT_VAL_LOW 0x2c0c983f
35 #define THEADORABLE_GPP_OUT_VAL_MID 0x0007000c
36 #define THEADORABLE_GPP_OUT_VAL_HIGH 0x00000000
38 #define GPIO_USB0_PWR_ON 18
39 #define GPIO_USB1_PWR_ON 19
41 #define PEX_SWITCH_NOT_FOUNT_LIMIT 3
44 #define STM_I2C_ADDR 0x27
45 #define REBOOT_DELAY 1000 /* reboot-delay in ms */
47 /* DDR3 static configuration */
48 static MV_DRAM_MC_INIT ddr3_theadorable[MV_MAX_DDR3_STATIC_SIZE] = {
49 {0x00001400, 0x7301ca28}, /* DDR SDRAM Configuration Register */
50 {0x00001404, 0x30000800}, /* Dunit Control Low Register */
51 {0x00001408, 0x44149887}, /* DDR SDRAM Timing (Low) Register */
52 {0x0000140C, 0x38d93fc7}, /* DDR SDRAM Timing (High) Register */
53 {0x00001410, 0x1b100001}, /* DDR SDRAM Address Control Register */
54 {0x00001424, 0x0000f3ff}, /* Dunit Control High Register */
55 {0x00001428, 0x000f8830}, /* ODT Timing (Low) Register */
56 {0x0000142C, 0x014c50f4}, /* DDR3 Timing Register */
57 {0x0000147C, 0x0000c671}, /* ODT Timing (High) Register */
59 {0x00001494, 0x00010000}, /* DDR SDRAM ODT Control (Low) Reg */
60 {0x0000149C, 0x00000001}, /* DDR Dunit ODT Control Register */
61 {0x000014A0, 0x00000001}, /* DRAM FIFO Control Register */
62 {0x000014A8, 0x00000101}, /* AXI Control Register */
65 * DO NOT Modify - Open Mbus Window - 2G - Mbus is required for the
68 {0x000200e8, 0x3fff0e01},
69 {0x00020184, 0x3fffffe0}, /* Close fast path Window to - 2G */
71 {0x0001504, 0x7fffffe1}, /* CS0 Size */
72 {0x000150C, 0x00000000}, /* CS1 Size */
73 {0x0001514, 0x00000000}, /* CS2 Size */
74 {0x000151C, 0x00000000}, /* CS3 Size */
76 {0x00020220, 0x00000007}, /* Reserved */
78 {0x00001538, 0x00000009}, /* Read Data Sample Delays Register */
79 {0x0000153C, 0x00000009}, /* Read Data Ready Delay Register */
81 {0x000015D0, 0x00000650}, /* MR0 */
82 {0x000015D4, 0x00000044}, /* MR1 */
83 {0x000015D8, 0x00000010}, /* MR2 */
84 {0x000015DC, 0x00000000}, /* MR3 */
85 {0x000015E0, 0x00000001},
86 {0x000015E4, 0x00203c18}, /* ZQDS Configuration Register */
87 {0x000015EC, 0xf800a225}, /* DDR PHY */
89 /* Recommended Settings from Marvell for 4 x 16 bit devices: */
90 {0x000014C0, 0x192424c9}, /* DRAM addr and Ctrl Driving Strenght*/
91 {0x000014C4, 0x0aaa24c9}, /* DRAM Data and DQS Driving Strenght */
96 static MV_DRAM_MODES board_ddr_modes[MV_DDR3_MODES_NUMBER] = {
97 {"theadorable_1333-667", 0x3, 0x5, 0x0, A0, ddr3_theadorable, NULL},
100 extern MV_SERDES_CHANGE_M_PHY serdes_change_m_phy[];
103 * Lane0 - PCIE0.0 X1 (to WIFI Module)
106 * Lane7 - SGMII0 (to Ethernet Phy)
107 * Lane8-11 - PCIE2.0 X4 (to PEX Switch)
108 * all other lanes are disabled
110 MV_BIN_SERDES_CFG theadorable_serdes_cfg[] = {
111 { MV_PEX_ROOT_COMPLEX, 0x22200001, 0x00001111,
112 { PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4,
114 0x0060, serdes_change_m_phy
118 MV_DRAM_MODES *ddr3_get_static_ddr_mode(void)
120 /* Only one mode supported for this board */
121 return &board_ddr_modes[0];
124 MV_BIN_SERDES_CFG *board_serdes_cfg_get(u8 pex_mode)
126 return &theadorable_serdes_cfg[0];
129 u8 board_sat_r_get(u8 dev_num, u8 reg)
131 /* Bit 0 enables PCI 2.0 link capabilities instead of PCI 1.x */
135 int board_early_init_f(void)
138 writel(0x00000000, MVEBU_MPP_BASE + 0x00);
139 writel(0x03300000, MVEBU_MPP_BASE + 0x04);
140 writel(0x00000033, MVEBU_MPP_BASE + 0x08);
141 writel(0x00000000, MVEBU_MPP_BASE + 0x0c);
142 writel(0x11110000, MVEBU_MPP_BASE + 0x10);
143 writel(0x00221100, MVEBU_MPP_BASE + 0x14);
144 writel(0x00000000, MVEBU_MPP_BASE + 0x18);
145 writel(0x00000000, MVEBU_MPP_BASE + 0x1c);
146 writel(0x00000000, MVEBU_MPP_BASE + 0x20);
149 writel(THEADORABLE_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
150 writel(THEADORABLE_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
151 writel(THEADORABLE_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
152 writel(THEADORABLE_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
153 writel(THEADORABLE_GPP_OUT_VAL_HIGH, MVEBU_GPIO2_BASE + 0x00);
154 writel(THEADORABLE_GPP_OUT_ENA_HIGH, MVEBU_GPIO2_BASE + 0x04);
163 /* adress of boot parameters */
164 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
167 * Map SPI devices via MBUS so that they can be accessed via
168 * the SPI direct access mode
170 mbus_dt_setup_win(&mbus_state, SPI_BUS0_DEV1_BASE, SPI_BUS0_DEV1_SIZE,
171 CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_SPI0_CS1);
172 mbus_dt_setup_win(&mbus_state, SPI_BUS1_DEV2_BASE, SPI_BUS0_DEV1_SIZE,
173 CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_SPI1_CS2);
176 * Set RX Channel Control 0 Register:
177 * Tests have shown, that setting the LPF_COEF from 0 (1/8)
178 * to 3 (1/1) results in a more stable USB connection.
180 setbits_le32(PHY_CHANNEL_RX_CTRL0_REG(0, 1), 0xc);
181 setbits_le32(PHY_CHANNEL_RX_CTRL0_REG(0, 2), 0xc);
182 setbits_le32(PHY_CHANNEL_RX_CTRL0_REG(0, 3), 0xc);
184 /* Toggle USB power */
185 ret = gpio_request(GPIO_USB0_PWR_ON, "USB0_PWR_ON");
188 gpio_direction_output(GPIO_USB0_PWR_ON, 0);
189 ret = gpio_request(GPIO_USB1_PWR_ON, "USB1_PWR_ON");
192 gpio_direction_output(GPIO_USB1_PWR_ON, 0);
194 gpio_set_value(GPIO_USB0_PWR_ON, 1);
195 gpio_set_value(GPIO_USB1_PWR_ON, 1);
208 int board_eth_init(bd_t *bis)
210 cpu_eth_init(bis); /* Built in controller(s) come first */
211 return pci_eth_init(bis);
215 int board_video_init(void)
217 struct mvebu_lcd_info lcd_info;
219 /* Reserved memory area via CONFIG_SYS_MEM_TOP_HIDE */
220 lcd_info.fb_base = gd->ram_size;
221 lcd_info.x_res = 240;
224 lcd_info.y_res = 320;
228 return mvebu_lcd_register_init(&lcd_info);
231 #ifdef CONFIG_BOARD_LATE_INIT
232 int board_late_init(void)
238 * Check if the PEX switch is detected (somtimes its not available
239 * on the PCIe bus). In this case, try to recover by issuing a
240 * soft-reset or even a power-cycle, depending on the bootcounter
243 bdf = pci_find_device(PCI_VENDOR_ID_PLX, 0x8619, 0);
248 /* PEX switch not found! */
249 bootcount = bootcount_load();
250 printf("Failed to find PLX PEX-switch (bootcount=%ld)\n",
252 if (bootcount > PEX_SWITCH_NOT_FOUNT_LIMIT) {
253 printf("Issuing power-switch via uC!\n");
255 printf("Issuing power-switch via uC!\n");
256 i2c_set_bus_num(STM_I2C_BUS);
257 i2c_buf[0] = STM_I2C_ADDR << 1;
258 i2c_buf[1] = 0xc5; /* cmd */
259 i2c_buf[2] = 0x01; /* enable */
260 /* Delay before reboot */
261 i2c_buf[3] = REBOOT_DELAY & 0x00ff;
262 i2c_buf[4] = (REBOOT_DELAY & 0xff00) >> 8;
263 /* Delay before shutdown */
266 i2c_buf[7] = crc8(0x72, &i2c_buf[0], 7);
268 ret = i2c_write(STM_I2C_ADDR, 0, 0, &i2c_buf[1], 7);
270 printf("I2C write error (ret=%d)\n", ret);
271 printf("Issuing soft-reset...\n");
272 /* default handling: SOFT reset */
273 do_reset(NULL, 0, 0, NULL);
276 /* Wait for power-cycle to occur... */
277 printf("Waiting for power-cycle via uC...\n");
281 printf("Issuing soft-reset...\n");
282 /* default handling: SOFT reset */
283 do_reset(NULL, 0, 0, NULL);