blob: eb5eae43551648b4b49c49ccc4d41d077258a687 [file] [log] [blame]
Lukasz Majewski11bd5e72017-01-27 23:16:29 +01001/*
2 * Copyright (C) 2016-2017
3 * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
4 *
5 * SPDX-License-Identifier: GPL-2.0+
6 */
7
8#include <common.h>
9#include <asm/arch/clock.h>
10#include <asm/arch/iomux.h>
11#include <asm/arch/imx-regs.h>
12#include <asm/arch/mx6-pins.h>
13#include <asm/arch/sys_proto.h>
14#include <asm/gpio.h>
15#include <asm/imx-common/iomux-v3.h>
16#include <asm/imx-common/mxc_i2c.h>
17#include <asm/imx-common/spi.h>
18#include <asm/imx-common/boot_mode.h>
19#include <asm/io.h>
20#include <fsl_esdhc.h>
21#include <mmc.h>
22#include <netdev.h>
23#include <micrel.h>
24#include <phy.h>
25#include <input.h>
26#include <i2c.h>
27#include <spl.h>
28
29DECLARE_GLOBAL_DATA_PTR;
30
31#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
32 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
33 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
34
35#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
36 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
37 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
38
39#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
40 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
41
42#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
43 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
44
45#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
46 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
47 PAD_CTL_ODE | PAD_CTL_SRE_FAST)
48
49#define WEIM_NOR_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
50 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
51 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
52
53#define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
54#define ETH_PHY_RESET IMX_GPIO_NR(1, 27)
55#define ECSPI3_CS0 IMX_GPIO_NR(4, 24)
56#define ECSPI3_FLWP IMX_GPIO_NR(4, 27)
57#define NOR_WP IMX_GPIO_NR(1, 1)
58#define DISPLAY_EN IMX_GPIO_NR(1, 2)
59
60int dram_init(void)
61{
62 gd->ram_size = imx_ddr_size();
63
64 return 0;
65}
66
67static iomux_v3_cfg_t const uart1_pads[] = {
68 IOMUX_PADS(PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
69 IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
70};
71
72static iomux_v3_cfg_t const usdhc2_pads[] = {
73 IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
74 IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
75 IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
76 IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
77 IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
78 IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
79 /* Carrier MicroSD Card Detect */
80 IOMUX_PADS(PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL)),
81};
82
83static iomux_v3_cfg_t const usdhc3_pads[] = {
84 IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
85 IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
86 IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
87 IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
88 IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
89 IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
90 IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
91 IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
92 IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
93 IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
94 IOMUX_PADS(PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
95};
96
97static iomux_v3_cfg_t const enet_pads[] = {
98 IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
99 IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
100 IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
101 IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
102 IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
103 IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
104 IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
105 IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL
106 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
107 IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK
108 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
109 IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
110 IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
111 IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
112 IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
113 IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
114 IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL
115 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
116 /* KSZ9031 PHY Reset */
117 IOMUX_PADS(PAD_ENET_RXD0__GPIO1_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL)),
118};
119
120static void setup_iomux_uart(void)
121{
122 SETUP_IOMUX_PADS(uart1_pads);
123}
124
125static void setup_iomux_enet(void)
126{
127 SETUP_IOMUX_PADS(enet_pads);
128
129 /* Reset KSZ9031 PHY */
130 gpio_direction_output(ETH_PHY_RESET, 0);
131 mdelay(10);
132 gpio_set_value(ETH_PHY_RESET, 1);
133 udelay(100);
134}
135
136static struct fsl_esdhc_cfg usdhc_cfg[2] = {
137 {USDHC3_BASE_ADDR},
138 {USDHC2_BASE_ADDR},
139};
140
141int board_mmc_getcd(struct mmc *mmc)
142{
143 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
144 int ret = 0;
145
146 switch (cfg->esdhc_base) {
147 case USDHC2_BASE_ADDR:
148 ret = !gpio_get_value(USDHC2_CD_GPIO);
149 break;
150 case USDHC3_BASE_ADDR:
151 /*
152 * eMMC don't have card detect pin - since it is soldered to the
153 * PCB board
154 */
155 ret = 1;
156 break;
157 }
158 return ret;
159}
160
161int board_mmc_init(bd_t *bis)
162{
163 int ret;
164 u32 index = 0;
165
166 /*
167 * MMC MAP
168 * (U-Boot device node) (Physical Port)
169 * mmc0 Soldered on board eMMC device
170 * mmc1 MicroSD card
171 */
172 for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
173 switch (index) {
174 case 0:
175 SETUP_IOMUX_PADS(usdhc3_pads);
176 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
177 usdhc_cfg[0].max_bus_width = 8;
178 break;
179 case 1:
180 SETUP_IOMUX_PADS(usdhc2_pads);
181 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
182 usdhc_cfg[1].max_bus_width = 4;
183 gpio_direction_input(USDHC2_CD_GPIO);
184 break;
185 default:
186 printf("Warning: More USDHC controllers (%d) than supported (%d)\n",
187 index + 1, CONFIG_SYS_FSL_USDHC_NUM);
188 return -EINVAL;
189 }
190
191 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
192 if (ret)
193 return ret;
194 }
195
196 return 0;
197}
198
199static iomux_v3_cfg_t const eimnor_pads[] = {
200 IOMUX_PADS(PAD_EIM_D16__EIM_DATA16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
201 IOMUX_PADS(PAD_EIM_D17__EIM_DATA17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
202 IOMUX_PADS(PAD_EIM_D18__EIM_DATA18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
203 IOMUX_PADS(PAD_EIM_D19__EIM_DATA19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
204 IOMUX_PADS(PAD_EIM_D20__EIM_DATA20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
205 IOMUX_PADS(PAD_EIM_D21__EIM_DATA21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
206 IOMUX_PADS(PAD_EIM_D22__EIM_DATA22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
207 IOMUX_PADS(PAD_EIM_D23__EIM_DATA23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
208 IOMUX_PADS(PAD_EIM_D24__EIM_DATA24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
209 IOMUX_PADS(PAD_EIM_D25__EIM_DATA25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
210 IOMUX_PADS(PAD_EIM_D26__EIM_DATA26 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
211 IOMUX_PADS(PAD_EIM_D27__EIM_DATA27 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
212 IOMUX_PADS(PAD_EIM_D28__EIM_DATA28 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
213 IOMUX_PADS(PAD_EIM_D29__EIM_DATA29 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
214 IOMUX_PADS(PAD_EIM_D30__EIM_DATA30 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
215 IOMUX_PADS(PAD_EIM_D31__EIM_DATA31 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
216 IOMUX_PADS(PAD_EIM_DA0__EIM_AD00 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
217 IOMUX_PADS(PAD_EIM_DA1__EIM_AD01 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
218 IOMUX_PADS(PAD_EIM_DA2__EIM_AD02 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
219 IOMUX_PADS(PAD_EIM_DA3__EIM_AD03 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
220 IOMUX_PADS(PAD_EIM_DA4__EIM_AD04 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
221 IOMUX_PADS(PAD_EIM_DA5__EIM_AD05 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
222 IOMUX_PADS(PAD_EIM_DA6__EIM_AD06 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
223 IOMUX_PADS(PAD_EIM_DA7__EIM_AD07 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
224 IOMUX_PADS(PAD_EIM_DA8__EIM_AD08 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
225 IOMUX_PADS(PAD_EIM_DA9__EIM_AD09 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
226 IOMUX_PADS(PAD_EIM_DA10__EIM_AD10 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
227 IOMUX_PADS(PAD_EIM_DA11__EIM_AD11 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
228 IOMUX_PADS(PAD_EIM_DA12__EIM_AD12 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
229 IOMUX_PADS(PAD_EIM_DA13__EIM_AD13 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
230 IOMUX_PADS(PAD_EIM_DA14__EIM_AD14 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
231 IOMUX_PADS(PAD_EIM_DA15__EIM_AD15 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
232 IOMUX_PADS(PAD_EIM_A16__EIM_ADDR16 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
233 IOMUX_PADS(PAD_EIM_A17__EIM_ADDR17 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
234 IOMUX_PADS(PAD_EIM_A18__EIM_ADDR18 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
235 IOMUX_PADS(PAD_EIM_A19__EIM_ADDR19 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
236 IOMUX_PADS(PAD_EIM_A20__EIM_ADDR20 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
237 IOMUX_PADS(PAD_EIM_A21__EIM_ADDR21 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
238 IOMUX_PADS(PAD_EIM_A22__EIM_ADDR22 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
239 IOMUX_PADS(PAD_EIM_A23__EIM_ADDR23 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
240 IOMUX_PADS(PAD_EIM_A24__EIM_ADDR24 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
241 IOMUX_PADS(PAD_EIM_A25__EIM_ADDR25 | MUX_PAD_CTRL(WEIM_NOR_PAD_CTRL)),
242 IOMUX_PADS(PAD_EIM_OE__EIM_OE_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
243 IOMUX_PADS(PAD_EIM_RW__EIM_RW | MUX_PAD_CTRL(NO_PAD_CTRL)),
244 IOMUX_PADS(PAD_EIM_CS0__EIM_CS0_B | MUX_PAD_CTRL(NO_PAD_CTRL)),
245 IOMUX_PADS(PAD_GPIO_1__GPIO1_IO01 | MUX_PAD_CTRL(NO_PAD_CTRL)),
246};
247
248static void eimnor_cs_setup(void)
249{
250 struct weim *weim_regs = (struct weim *)WEIM_BASE_ADDR;
251
252
253 /* NOR configuration */
254 writel(0x00620181, &weim_regs->cs0gcr1);
255 writel(0x00000001, &weim_regs->cs0gcr2);
256 writel(0x0b020000, &weim_regs->cs0rcr1);
257 writel(0x0000b000, &weim_regs->cs0rcr2);
258 writel(0x0804a240, &weim_regs->cs0wcr1);
259 writel(0x00000000, &weim_regs->cs0wcr2);
260
261 writel(0x00000120, &weim_regs->wcr);
262 writel(0x00000010, &weim_regs->wiar);
263 writel(0x00000000, &weim_regs->ear);
264
265 set_chipselect_size(CS0_128);
266}
267
268static void setup_eimnor(void)
269{
270 SETUP_IOMUX_PADS(eimnor_pads);
271 gpio_direction_output(NOR_WP, 1);
272
273 enable_eim_clk(1);
274 eimnor_cs_setup();
275}
276
277/* mccmon6 board has SPI Flash is connected to SPI3 */
278int board_spi_cs_gpio(unsigned bus, unsigned cs)
279{
280 return (bus == 2 && cs == 0) ? ECSPI3_CS0 : -1;
281}
282
283static iomux_v3_cfg_t const ecspi3_pads[] = {
284 /* SPI3 */
285 IOMUX_PADS(PAD_DISP0_DAT3__GPIO4_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL)),
286 IOMUX_PADS(PAD_DISP0_DAT2__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
287 IOMUX_PADS(PAD_DISP0_DAT1__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)),
288 IOMUX_PADS(PAD_DISP0_DAT0__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
289};
290
291void setup_spi(void)
292{
293 SETUP_IOMUX_PADS(ecspi3_pads);
294
295 enable_spi_clk(true, 2);
296
297 /* set cs0 to high */
298 gpio_direction_output(ECSPI3_CS0, 1);
299
300 /* set flwp to high */
301 gpio_direction_output(ECSPI3_FLWP, 1);
302}
303
304struct i2c_pads_info mx6q_i2c1_pad_info = {
305 .scl = {
306 .i2c_mode = MX6Q_PAD_CSI0_DAT9__I2C1_SCL
307 | MUX_PAD_CTRL(I2C_PAD_CTRL),
308 .gpio_mode = MX6Q_PAD_CSI0_DAT9__GPIO5_IO27
309 | MUX_PAD_CTRL(I2C_PAD_CTRL),
310 .gp = IMX_GPIO_NR(5, 27)
311 },
312 .sda = {
313 .i2c_mode = MX6Q_PAD_CSI0_DAT8__I2C1_SDA
314 | MUX_PAD_CTRL(I2C_PAD_CTRL),
315 .gpio_mode = MX6Q_PAD_CSI0_DAT8__GPIO5_IO26
316 | MUX_PAD_CTRL(I2C_PAD_CTRL),
317 .gp = IMX_GPIO_NR(5, 26)
318 }
319};
320
321struct i2c_pads_info mx6q_i2c2_pad_info = {
322 .scl = {
323 .i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL
324 | MUX_PAD_CTRL(I2C_PAD_CTRL),
325 .gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12
326 | MUX_PAD_CTRL(I2C_PAD_CTRL),
327 .gp = IMX_GPIO_NR(4, 12)
328 },
329 .sda = {
330 .i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA
331 | MUX_PAD_CTRL(I2C_PAD_CTRL),
332 .gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13
333 | MUX_PAD_CTRL(I2C_PAD_CTRL),
334 .gp = IMX_GPIO_NR(4, 13)
335 }
336};
337
338int board_eth_init(bd_t *bis)
339{
340 setup_iomux_enet();
341
342 return cpu_eth_init(bis);
343}
344
345int board_early_init_f(void)
346{
347 setup_iomux_uart();
348
349 return 0;
350}
351
352int board_init(void)
353{
354 /* address of boot parameters */
355 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
356
357 gpio_direction_output(DISPLAY_EN, 1);
358
359 setup_eimnor();
360 setup_spi();
361
362 setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c1_pad_info);
363 setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c2_pad_info);
364
365 return 0;
366}
367
368int board_late_init(void)
369{
370 setenv("board_name", "mccmon6");
371
372 return 0;
373}
374
375int checkboard(void)
376{
377 puts("Board: MCCMON6\n");
378
379 return 0;
380}
381
382int board_phy_config(struct phy_device *phydev)
383{
384 /*
385 * Default setting for GMII Clock Pad Skew Register 0x1EF:
386 * MMD Address 0x2h, Register 0x8h
387 *
388 * GTX_CLK Pad Skew 0xF -> 0.9 nsec skew
389 * RX_CLK Pad Skew 0xF -> 0.9 nsec skew
390 *
391 * Adjustment -> write 0x3FF:
392 * GTX_CLK Pad Skew 0x1F -> 1.8 nsec skew
393 * RX_CLK Pad Skew 0x1F -> 1.8 nsec skew
394 *
395 */
396 ksz9031_phy_extended_write(phydev, 0x2,
397 MII_KSZ9031_EXT_RGMII_CLOCK_SKEW,
398 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x3FF);
399
400 ksz9031_phy_extended_write(phydev, 0x02,
401 MII_KSZ9031_EXT_RGMII_CTRL_SIG_SKEW,
402 MII_KSZ9031_MOD_DATA_NO_POST_INC, 0x00FF);
403
404 ksz9031_phy_extended_write(phydev, 0x2,
405 MII_KSZ9031_EXT_RGMII_RX_DATA_SKEW,
406 MII_KSZ9031_MOD_DATA_NO_POST_INC,
407 0x3333);
408
409 ksz9031_phy_extended_write(phydev, 0x2,
410 MII_KSZ9031_EXT_RGMII_TX_DATA_SKEW,
411 MII_KSZ9031_MOD_DATA_NO_POST_INC,
412 0x2052);
413
414 if (phydev->drv->config)
415 phydev->drv->config(phydev);
416
417 return 0;
418}
419
420#ifdef CONFIG_SPL_BOARD_INIT
421void spl_board_init(void)
422{
423 setup_eimnor();
424
425 gpio_direction_output(DISPLAY_EN, 1);
426}
427#endif /* CONFIG_SPL_BOARD_INIT */
428
429#ifdef CONFIG_SPL_BUILD
430void board_boot_order(u32 *spl_boot_list)
431{
432 switch (spl_boot_device()) {
433 case BOOT_DEVICE_MMC2:
434 case BOOT_DEVICE_MMC1:
435 spl_boot_list[0] = BOOT_DEVICE_MMC2;
436 spl_boot_list[1] = BOOT_DEVICE_MMC1;
437 break;
438
439 case BOOT_DEVICE_NOR:
440 spl_boot_list[0] = BOOT_DEVICE_NOR;
441 break;
442 }
443}
444#endif /* CONFIG_SPL_BUILD */
445
446#ifdef CONFIG_SPL_OS_BOOT
447int spl_start_uboot(void)
448{
449 char s[16];
450 int ret;
451 /*
452 * We use BOOT_DEVICE_MMC1, but SD card is connected
453 * to MMC2
454 *
455 * Correct "mapping" is delivered in board defined
456 * board_boot_order() function.
457 *
458 * SD card boot is regarded as a "development" one,
459 * hence we _always_ go through the u-boot.
460 *
461 */
462 if (spl_boot_device() == BOOT_DEVICE_MMC1)
463 return 1;
464
465 /* break into full u-boot on 'c' */
466 if (serial_tstc() && serial_getc() == 'c')
467 return 1;
468
469 env_init();
470 ret = getenv_f("boot_os", s, sizeof(s));
471 if ((ret != -1) && (strcmp(s, "no") == 0))
472 return 1;
473
474 /*
475 * Check if SWUpdate recovery needs to be started
476 *
477 * recovery_status = NULL (not set - ret == -1) -> normal operation
478 *
479 * recovery_status = progress or
480 * recovery_status = failed or
481 * recovery_status = <any value> -> start SWUpdate
482 *
483 */
484 ret = getenv_f("recovery_status", s, sizeof(s));
485 if (ret != -1)
486 return 1;
487
488 return 0;
489}
490#endif /* CONFIG_SPL_OS_BOOT */