1 // SPDX-License-Identifier: GPL-2.0+
13 #if !defined(CONFIG_SPL_BUILD)
14 #include <bootcount.h>
18 #include <asm/arch/cpu.h>
19 #include <asm/arch/soc.h>
20 #include <linux/mbus.h>
24 #include <u-boot/crc.h>
25 #include "theadorable.h"
27 #include "../drivers/ddr/marvell/axp/ddr3_hw_training.h"
28 #include "../arch/arm/mach-mvebu/serdes/axp/high_speed_env_spec.h"
30 DECLARE_GLOBAL_DATA_PTR;
32 #define MV_USB_PHY_BASE (MVEBU_AXP_USB_BASE + 0x800)
33 #define PHY_CHANNEL_RX_CTRL0_REG(port, chan) \
34 (MV_USB_PHY_BASE + ((port) << 12) + ((chan) << 6) + 0x8)
36 #define THEADORABLE_GPP_OUT_ENA_LOW 0x00336780
37 #define THEADORABLE_GPP_OUT_ENA_MID 0x00003cf0
38 #define THEADORABLE_GPP_OUT_ENA_HIGH (~(0x0))
40 #define THEADORABLE_GPP_OUT_VAL_LOW 0x2c0c983f
41 #define THEADORABLE_GPP_OUT_VAL_MID 0x0007000c
42 #define THEADORABLE_GPP_OUT_VAL_HIGH 0x00000000
44 #define GPIO_USB0_PWR_ON 18
45 #define GPIO_USB1_PWR_ON 19
47 #define PEX_SWITCH_NOT_FOUNT_LIMIT 3
50 #define STM_I2C_ADDR 0x27
51 #define REBOOT_DELAY 1000 /* reboot-delay in ms */
52 #define ABORT_TIMEOUT 3000 /* 3 seconds reboot abort timeout */
54 /* DDR3 static configuration */
55 static MV_DRAM_MC_INIT ddr3_theadorable[MV_MAX_DDR3_STATIC_SIZE] = {
56 {0x00001400, 0x7301ca28}, /* DDR SDRAM Configuration Register */
57 {0x00001404, 0x30000800}, /* Dunit Control Low Register */
58 {0x00001408, 0x44149887}, /* DDR SDRAM Timing (Low) Register */
59 {0x0000140C, 0x38d93fc7}, /* DDR SDRAM Timing (High) Register */
60 {0x00001410, 0x1b100001}, /* DDR SDRAM Address Control Register */
61 {0x00001424, 0x0000f3ff}, /* Dunit Control High Register */
62 {0x00001428, 0x000f8830}, /* ODT Timing (Low) Register */
63 {0x0000142C, 0x014c50f4}, /* DDR3 Timing Register */
64 {0x0000147C, 0x0000c671}, /* ODT Timing (High) Register */
66 {0x00001494, 0x00010000}, /* DDR SDRAM ODT Control (Low) Reg */
67 {0x0000149C, 0x00000001}, /* DDR Dunit ODT Control Register */
68 {0x000014A0, 0x00000001}, /* DRAM FIFO Control Register */
69 {0x000014A8, 0x00000101}, /* AXI Control Register */
72 * DO NOT Modify - Open Mbus Window - 2G - Mbus is required for the
75 {0x000200e8, 0x3fff0e01},
76 {0x00020184, 0x3fffffe0}, /* Close fast path Window to - 2G */
78 {0x0001504, 0x7fffffe1}, /* CS0 Size */
79 {0x000150C, 0x00000000}, /* CS1 Size */
80 {0x0001514, 0x00000000}, /* CS2 Size */
81 {0x000151C, 0x00000000}, /* CS3 Size */
83 {0x00020220, 0x00000007}, /* Reserved */
85 {0x00001538, 0x00000009}, /* Read Data Sample Delays Register */
86 {0x0000153C, 0x00000009}, /* Read Data Ready Delay Register */
88 {0x000015D0, 0x00000650}, /* MR0 */
89 {0x000015D4, 0x00000044}, /* MR1 */
90 {0x000015D8, 0x00000010}, /* MR2 */
91 {0x000015DC, 0x00000000}, /* MR3 */
92 {0x000015E0, 0x00000001},
93 {0x000015E4, 0x00203c18}, /* ZQDS Configuration Register */
94 {0x000015EC, 0xf800a225}, /* DDR PHY */
96 /* Recommended Settings from Marvell for 4 x 16 bit devices: */
97 {0x000014C0, 0x192424c9}, /* DRAM addr and Ctrl Driving Strenght*/
98 {0x000014C4, 0x0aaa24c9}, /* DRAM Data and DQS Driving Strenght */
103 static MV_DRAM_MODES board_ddr_modes[MV_DDR3_MODES_NUMBER] = {
104 {"theadorable_1333-667", 0x3, 0x5, 0x0, A0, ddr3_theadorable, NULL},
107 extern MV_SERDES_CHANGE_M_PHY serdes_change_m_phy[];
110 * Lane0 - PCIE0.0 X1 (to WIFI Module)
113 * Lane7 - SGMII0 (to Ethernet Phy)
114 * Lane8-11 - PCIE2.0 X4 (to PEX Switch)
115 * all other lanes are disabled
117 MV_BIN_SERDES_CFG theadorable_serdes_cfg[] = {
118 { MV_PEX_ROOT_COMPLEX, 0x22200001, 0x00001111,
119 { PEX_BUS_MODE_X1, PEX_BUS_DISABLED, PEX_BUS_MODE_X4,
121 0x0060, serdes_change_m_phy
126 * Define a board-specific detection pulse-width array for the SerDes PCIe
127 * interfaces. If not defined in the board code, the default of currently 2
128 * is used. Values from 0...3 are possible (2 bits).
130 u8 serdes_pex_pulse_width[4] = { 0, 2, 2, 2 };
132 MV_DRAM_MODES *ddr3_get_static_ddr_mode(void)
134 /* Only one mode supported for this board */
135 return &board_ddr_modes[0];
138 MV_BIN_SERDES_CFG *board_serdes_cfg_get(void)
140 return &theadorable_serdes_cfg[0];
143 u8 board_sat_r_get(u8 dev_num, u8 reg)
145 /* Bit x enables PCI 2.0 link capabilities instead of PCI 1.x */
146 return 0xe; /* PEX port 0 is PCIe Gen1, PEX port 1..3 PCIe Gen2 */
149 int board_early_init_f(void)
152 writel(0x00000000, MVEBU_MPP_BASE + 0x00);
153 writel(0x03300000, MVEBU_MPP_BASE + 0x04);
154 writel(0x00000033, MVEBU_MPP_BASE + 0x08);
155 writel(0x00000000, MVEBU_MPP_BASE + 0x0c);
156 writel(0x11110000, MVEBU_MPP_BASE + 0x10);
157 writel(0x00221100, MVEBU_MPP_BASE + 0x14);
158 writel(0x00000000, MVEBU_MPP_BASE + 0x18);
159 writel(0x00000000, MVEBU_MPP_BASE + 0x1c);
160 writel(0x00000000, MVEBU_MPP_BASE + 0x20);
163 writel(THEADORABLE_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
164 writel(THEADORABLE_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
165 writel(THEADORABLE_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
166 writel(THEADORABLE_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
167 writel(THEADORABLE_GPP_OUT_VAL_HIGH, MVEBU_GPIO2_BASE + 0x00);
168 writel(THEADORABLE_GPP_OUT_ENA_HIGH, MVEBU_GPIO2_BASE + 0x04);
177 /* adress of boot parameters */
178 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
181 * Map SPI devices via MBUS so that they can be accessed via
182 * the SPI direct access mode
184 mbus_dt_setup_win(&mbus_state, SPI_BUS0_DEV1_BASE, SPI_BUS0_DEV1_SIZE,
185 CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_SPI0_CS1);
186 mbus_dt_setup_win(&mbus_state, SPI_BUS1_DEV2_BASE, SPI_BUS0_DEV1_SIZE,
187 CPU_TARGET_DEVICEBUS_BOOTROM_SPI, CPU_ATTR_SPI1_CS2);
190 * Set RX Channel Control 0 Register:
191 * Tests have shown, that setting the LPF_COEF from 0 (1/8)
192 * to 3 (1/1) results in a more stable USB connection.
194 setbits_le32(PHY_CHANNEL_RX_CTRL0_REG(0, 1), 0xc);
195 setbits_le32(PHY_CHANNEL_RX_CTRL0_REG(0, 2), 0xc);
196 setbits_le32(PHY_CHANNEL_RX_CTRL0_REG(0, 3), 0xc);
198 /* Toggle USB power */
199 ret = gpio_request(GPIO_USB0_PWR_ON, "USB0_PWR_ON");
202 gpio_direction_output(GPIO_USB0_PWR_ON, 0);
203 ret = gpio_request(GPIO_USB1_PWR_ON, "USB1_PWR_ON");
206 gpio_direction_output(GPIO_USB1_PWR_ON, 0);
208 gpio_set_value(GPIO_USB0_PWR_ON, 1);
209 gpio_set_value(GPIO_USB1_PWR_ON, 1);
222 int board_eth_init(bd_t *bis)
224 cpu_eth_init(bis); /* Built in controller(s) come first */
225 return pci_eth_init(bis);
229 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_BOARD_LATE_INIT)
230 int board_late_init(void)
236 * Check if the PEX switch is detected (somtimes its not available
237 * on the PCIe bus). In this case, try to recover by issuing a
238 * soft-reset or even a power-cycle, depending on the bootcounter
241 bdf = pci_find_device(PCI_VENDOR_ID_PLX, 0x8619, 0);
243 unsigned long start_time = get_timer(0);
247 /* PEX switch not found! */
248 bootcount = bootcount_load();
249 printf("Failed to find PLX PEX-switch (bootcount=%ld)\n",
253 * The user can exit this boot-loop in the error case by
254 * hitting Ctrl-C. So wait some time for this key here.
256 printf("Continue booting with Ctrl-C, otherwise rebooting\n");
258 /* Handle control-c and timeouts */
260 printf("PEX error boot-loop aborted!\n");
263 } while (get_timer(start_time) < ABORT_TIMEOUT);
267 * At this stage the bootcounter has not been incremented
268 * yet. We need to do this manually here to get an actually
269 * working bootcounter in this error case.
273 if (bootcount > PEX_SWITCH_NOT_FOUNT_LIMIT) {
274 printf("Issuing power-switch via uC!\n");
276 printf("Issuing power-switch via uC!\n");
277 i2c_set_bus_num(STM_I2C_BUS);
278 i2c_buf[0] = STM_I2C_ADDR << 1;
279 i2c_buf[1] = 0xc5; /* cmd */
280 i2c_buf[2] = 0x01; /* enable */
281 /* Delay before reboot */
282 i2c_buf[3] = REBOOT_DELAY & 0x00ff;
283 i2c_buf[4] = (REBOOT_DELAY & 0xff00) >> 8;
284 /* Delay before shutdown */
287 i2c_buf[7] = crc8(0x72, &i2c_buf[0], 7);
289 ret = i2c_write(STM_I2C_ADDR, 0, 0, &i2c_buf[1], 7);
291 printf("I2C write error (ret=%d)\n", ret);
292 printf("Issuing soft-reset...\n");
293 /* default handling: SOFT reset */
294 do_reset(NULL, 0, 0, NULL);
297 /* Wait for power-cycle to occur... */
298 printf("Waiting for power-cycle via uC...\n");
302 printf("Issuing soft-reset...\n");
303 /* default handling: SOFT reset */
304 do_reset(NULL, 0, 0, NULL);
312 #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_PCI)
313 int do_pcie_test(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
319 return cmd_usage(cmdtp);
321 ven_id = simple_strtoul(argv[1], NULL, 16);
322 dev_id = simple_strtoul(argv[2], NULL, 16);
324 printf("Checking for PCIe device: VendorID 0x%04x, DeviceId 0x%04x\n",
328 * Check if the PCIe device is detected (somtimes its not available
331 bdf = pci_find_device(ven_id, dev_id, 0);
333 /* PCIe device not found! */
334 printf("Failed to find PCIe device\n");
336 /* PCIe device found! */
337 printf("PCIe device found, resetting board...\n");
339 /* default handling: SOFT reset */
340 do_reset(NULL, 0, 0, NULL);
347 pcie, 3, 0, do_pcie_test,
348 "Test for presence of a PCIe device",
349 "<VendorID> <DeviceID>"