1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2015 Stefan Roese <sr@denx.de>
4 * Copyright (C) 2016 Mario Six <mario.six@gdsys.cc>
5 */
6
7 #include <common.h>
8 #include <command.h>
9 #include <dm.h>
10 #include <init.h>
11 #include <miiphy.h>
12 #include <net.h>
13 #include <tpm-v1.h>
14 #include <asm/global_data.h>
15 #include <asm/io.h>
16 #include <asm/arch/cpu.h>
17 #include <asm-generic/gpio.h>
18 #include <linux/delay.h>
19
20 #include "../drivers/ddr/marvell/a38x/ddr3_init.h"
21 #include "../arch/arm/mach-mvebu/serdes/a38x/high_speed_env_spec.h"
22
23 #include "keyprogram.h"
24 #include "dt_helpers.h"
25 #include "hydra.h"
26 #include "ihs_phys.h"
27
28 DECLARE_GLOBAL_DATA_PTR;
29
30 #define DB_GP_88F68XX_GPP_OUT_ENA_LOW 0x7fffffff
31 #define DB_GP_88F68XX_GPP_OUT_ENA_MID 0xffffefff
32
33 #define DB_GP_88F68XX_GPP_OUT_VAL_LOW 0x0
34 #define DB_GP_88F68XX_GPP_OUT_VAL_MID 0x00001000
35 #define DB_GP_88F68XX_GPP_POL_LOW 0x0
36 #define DB_GP_88F68XX_GPP_POL_MID 0x0
37
get_tpm(struct udevice ** devp)38 static int get_tpm(struct udevice **devp)
39 {
40 int rc;
41
42 rc = uclass_first_device_err(UCLASS_TPM, devp);
43 if (rc) {
44 printf("Could not find TPM (ret=%d)\n", rc);
45 return CMD_RET_FAILURE;
46 }
47
48 return 0;
49 }
50
51 /*
52 * Define the DDR layout / topology here in the board file. This will
53 * be used by the DDR3 init code in the SPL U-Boot version to configure
54 * the DDR3 controller.
55 */
56 static struct mv_ddr_topology_map ddr_topology_map = {
57 DEBUG_LEVEL_ERROR,
58 0x1, /* active interfaces */
59 /* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
60 { { { {0x1, 0, 0, 0},
61 {0x1, 0, 0, 0},
62 {0x1, 0, 0, 0},
63 {0x1, 0, 0, 0},
64 {0x1, 0, 0, 0} },
65 SPEED_BIN_DDR_1600K, /* speed_bin */
66 MV_DDR_DEV_WIDTH_16BIT, /* memory_width */
67 MV_DDR_DIE_CAP_4GBIT, /* mem_size */
68 MV_DDR_FREQ_533, /* frequency */
69 0, 0, /* cas_wl cas_l */
70 MV_DDR_TEMP_LOW, /* temperature */
71 MV_DDR_TIM_DEFAULT} }, /* timing */
72 BUS_MASK_32BIT, /* Busses mask */
73 MV_DDR_CFG_DEFAULT, /* ddr configuration data source */
74 NOT_COMBINED, /* ddr twin-die combined */
75 { {0} }, /* raw spd data */
76 {0} /* timing parameters */
77
78 };
79
80 static struct serdes_map serdes_topology_map[] = {
81 {SGMII0, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0},
82 {USB3_HOST0, SERDES_SPEED_5_GBPS, SERDES_DEFAULT_MODE, 0, 0},
83 /* SATA tx polarity is inverted */
84 {SATA1, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 1},
85 {SGMII2, SERDES_SPEED_1_25_GBPS, SERDES_DEFAULT_MODE, 0, 0},
86 {DEFAULT_SERDES, SERDES_SPEED_3_GBPS, SERDES_DEFAULT_MODE, 0, 0},
87 {PEX2, SERDES_SPEED_5_GBPS, PEX_ROOT_COMPLEX_X1, 0, 0}
88 };
89
hws_board_topology_load(struct serdes_map ** serdes_map_array,u8 * count)90 int hws_board_topology_load(struct serdes_map **serdes_map_array, u8 *count)
91 {
92 *serdes_map_array = serdes_topology_map;
93 *count = ARRAY_SIZE(serdes_topology_map);
94 return 0;
95 }
96
spl_board_init(void)97 void spl_board_init(void)
98 {
99 #ifdef CONFIG_SPL_BUILD
100 uint k;
101 struct gpio_desc gpio = {};
102
103 /* Enable PCIe link 2 */
104 setbits_32(MVEBU_REGISTER(0x18204), BIT(2));
105 mdelay(10);
106
107 if (!request_gpio_by_name(&gpio, "pca9698@22", 31, "fpga-program-gpio")) {
108 /* prepare FPGA reconfiguration */
109 dm_gpio_set_dir_flags(&gpio, GPIOD_IS_OUT);
110 dm_gpio_set_value(&gpio, 0);
111
112 /* give lunatic PCIe clock some time to stabilize */
113 mdelay(500);
114
115 /* start FPGA reconfiguration */
116 dm_gpio_set_dir_flags(&gpio, GPIOD_IS_IN);
117 }
118
119 /* wait for FPGA done */
120 if (!request_gpio_by_name(&gpio, "pca9698@22", 19, "fpga-done-gpio")) {
121 for (k = 0; k < 20; ++k) {
122 if (dm_gpio_get_value(&gpio)) {
123 printf("FPGA done after %u rounds\n", k);
124 break;
125 }
126 mdelay(100);
127 }
128 }
129
130 /* disable FPGA reset */
131 if (!request_gpio_by_name(&gpio, "gpio@18100", 6, "cpu-to-fpga-reset")) {
132 dm_gpio_set_dir_flags(&gpio, GPIOD_IS_OUT);
133 dm_gpio_set_value(&gpio, 1);
134 }
135
136 /* wait for FPGA ready */
137 if (!request_gpio_by_name(&gpio, "pca9698@22", 27, "fpga-ready-gpio")) {
138 for (k = 0; k < 2; ++k) {
139 if (!dm_gpio_get_value(&gpio))
140 break;
141 mdelay(100);
142 }
143 }
144 #endif
145 }
146
mv_ddr_topology_map_get(void)147 struct mv_ddr_topology_map *mv_ddr_topology_map_get(void)
148 {
149 return &ddr_topology_map;
150 }
151
board_early_init_f(void)152 int board_early_init_f(void)
153 {
154 #ifdef CONFIG_SPL_BUILD
155 /* Configure MPP */
156 writel(0x00111111, MVEBU_MPP_BASE + 0x00);
157 writel(0x40040000, MVEBU_MPP_BASE + 0x04);
158 writel(0x00466444, MVEBU_MPP_BASE + 0x08);
159 writel(0x00043300, MVEBU_MPP_BASE + 0x0c);
160 writel(0x44400000, MVEBU_MPP_BASE + 0x10);
161 writel(0x20000334, MVEBU_MPP_BASE + 0x14);
162 writel(0x40000000, MVEBU_MPP_BASE + 0x18);
163 writel(0x00004444, MVEBU_MPP_BASE + 0x1c);
164
165 /* Set GPP Out value */
166 writel(DB_GP_88F68XX_GPP_OUT_VAL_LOW, MVEBU_GPIO0_BASE + 0x00);
167 writel(DB_GP_88F68XX_GPP_OUT_VAL_MID, MVEBU_GPIO1_BASE + 0x00);
168
169 /* Set GPP Polarity */
170 writel(DB_GP_88F68XX_GPP_POL_LOW, MVEBU_GPIO0_BASE + 0x0c);
171 writel(DB_GP_88F68XX_GPP_POL_MID, MVEBU_GPIO1_BASE + 0x0c);
172
173 /* Set GPP Out Enable */
174 writel(DB_GP_88F68XX_GPP_OUT_ENA_LOW, MVEBU_GPIO0_BASE + 0x04);
175 writel(DB_GP_88F68XX_GPP_OUT_ENA_MID, MVEBU_GPIO1_BASE + 0x04);
176 #endif
177
178 return 0;
179 }
180
board_init(void)181 int board_init(void)
182 {
183 /* Address of boot parameters */
184 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
185
186 return 0;
187 }
188
189 #ifndef CONFIG_SPL_BUILD
init_host_phys(struct mii_dev * bus)190 void init_host_phys(struct mii_dev *bus)
191 {
192 uint k;
193
194 for (k = 0; k < 2; ++k) {
195 struct phy_device *phydev;
196
197 phydev = phy_find_by_mask(bus, 1 << k);
198
199 if (phydev) {
200 phydev->interface = PHY_INTERFACE_MODE_SGMII;
201 phy_config(phydev);
202 }
203 }
204 }
205
ccdc_eth_init(void)206 int ccdc_eth_init(void)
207 {
208 uint k;
209 uint octo_phy_mask = 0;
210 int ret;
211 struct mii_dev *bus;
212
213 /* Init SoC's phys */
214 bus = miiphy_get_dev_by_name("ethernet@34000");
215
216 if (bus)
217 init_host_phys(bus);
218
219 bus = miiphy_get_dev_by_name("ethernet@70000");
220
221 if (bus)
222 init_host_phys(bus);
223
224 /* Init octo phys */
225 octo_phy_mask = calculate_octo_phy_mask();
226
227 printf("IHS PHYS: %08x", octo_phy_mask);
228
229 ret = init_octo_phys(octo_phy_mask);
230
231 if (ret)
232 return ret;
233
234 printf("\n");
235
236 if (!get_fpga()) {
237 puts("fpga was NULL\n");
238 return 1;
239 }
240
241 /* reset all FPGA-QSGMII instances */
242 for (k = 0; k < 80; ++k)
243 writel(1 << 31, get_fpga()->qsgmii_port_state[k]);
244
245 udelay(100);
246
247 for (k = 0; k < 80; ++k)
248 writel(0, get_fpga()->qsgmii_port_state[k]);
249 return 0;
250 }
251
252 #endif
253
board_late_init(void)254 int board_late_init(void)
255 {
256 #ifndef CONFIG_SPL_BUILD
257 hydra_initialize();
258 #endif
259 return 0;
260 }
261
board_fix_fdt(void * rw_fdt_blob)262 int board_fix_fdt(void *rw_fdt_blob)
263 {
264 struct udevice *bus = NULL;
265 uint k;
266 char name[64];
267 int err;
268
269 err = uclass_get_device_by_name(UCLASS_I2C, "i2c@11000", &bus);
270
271 if (err) {
272 printf("Could not get I2C bus.\n");
273 return err;
274 }
275
276 for (k = 0x21; k <= 0x26; k++) {
277 snprintf(name, 64,
278 "/soc/internal-regs/i2c@11000/pca9698@%02x", k);
279
280 if (!dm_i2c_simple_probe(bus, k))
281 fdt_disable_by_ofname(rw_fdt_blob, name);
282 }
283
284 return 0;
285 }
286
last_stage_init(void)287 int last_stage_init(void)
288 {
289 struct udevice *tpm;
290 int ret;
291
292 #ifndef CONFIG_SPL_BUILD
293 ccdc_eth_init();
294 #endif
295 ret = get_tpm(&tpm);
296 if (ret || tpm_init(tpm) || tpm1_startup(tpm, TPM_ST_CLEAR) ||
297 tpm1_continue_self_test(tpm)) {
298 return 1;
299 }
300
301 mdelay(37);
302
303 flush_keys(tpm);
304 load_and_run_keyprog(tpm);
305
306 return 0;
307 }
308