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Tom Rini10e47792018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Max Krummenachereeb16b22016-11-30 19:43:09 +01002/*
3 * Copyright (C) 2010-2013 Freescale Semiconductor, Inc.
4 * Copyright (C) 2013, Boundary Devices <info@boundarydevices.com>
Marcel Ziswiler3e43a502019-02-08 18:42:10 +01005 * Copyright (C) 2014-2019, Toradex AG
Max Krummenachereeb16b22016-11-30 19:43:09 +01006 * copied from nitrogen6x
Max Krummenachereeb16b22016-11-30 19:43:09 +01007 */
8
9#include <common.h>
Simon Glassafb02152019-12-28 10:45:01 -070010#include <cpu_func.h>
Simon Glass11c89f32017-05-17 17:18:03 -060011#include <dm.h>
Simon Glass6eaea252019-08-01 09:46:48 -060012#include <env.h>
Simon Glassa7b51302019-11-14 12:57:46 -070013#include <init.h>
Marcel Ziswiler3e43a502019-02-08 18:42:10 +010014
Max Krummenachereeb16b22016-11-30 19:43:09 +010015#include <asm/arch/clock.h>
16#include <asm/arch/crm_regs.h>
17#include <asm/arch/imx-regs.h>
Max Krummenachereeb16b22016-11-30 19:43:09 +010018#include <asm/arch/mx6-ddr.h>
Marcel Ziswiler3e43a502019-02-08 18:42:10 +010019#include <asm/arch/mx6-pins.h>
Max Krummenachereeb16b22016-11-30 19:43:09 +010020#include <asm/arch/mxc_hdmi.h>
21#include <asm/arch/sys_proto.h>
22#include <asm/bootm.h>
23#include <asm/gpio.h>
Marcel Ziswiler3e43a502019-02-08 18:42:10 +010024#include <asm/mach-imx/boot_mode.h>
Stefano Babic33731bc2017-06-29 10:16:06 +020025#include <asm/mach-imx/iomux-v3.h>
Stefano Babic33731bc2017-06-29 10:16:06 +020026#include <asm/mach-imx/sata.h>
Stefano Babic33731bc2017-06-29 10:16:06 +020027#include <asm/mach-imx/video.h>
Bhuvanchandra DVcd6072c2019-02-08 18:42:24 +010028#include <cpu.h>
Max Krummenachereeb16b22016-11-30 19:43:09 +010029#include <dm/platform_data/serial_mxc.h>
Yangbo Lu73340382019-06-21 11:42:28 +080030#include <fsl_esdhc_imx.h>
Max Krummenachereeb16b22016-11-30 19:43:09 +010031#include <imx_thermal.h>
Max Krummenachereeb16b22016-11-30 19:43:09 +010032#include <miiphy.h>
Max Krummenachereeb16b22016-11-30 19:43:09 +010033#include <netdev.h>
Gerard Salvatella7fba5092019-02-08 18:42:28 +010034#include <cpu.h>
Max Krummenachereeb16b22016-11-30 19:43:09 +010035
36#include "../common/tdx-cfg-block.h"
37#ifdef CONFIG_TDX_CMD_IMX_MFGR
38#include "pf0100.h"
39#endif
40
41DECLARE_GLOBAL_DATA_PTR;
42
43#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
44 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
45 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
46
47#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
Max Krummenachera0f4d792019-02-08 18:42:19 +010048 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_40ohm | \
49 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
50
51#define USDHC_EMMC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
Max Krummenachereeb16b22016-11-30 19:43:09 +010052 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
53 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
54
Max Krummenachereeb16b22016-11-30 19:43:09 +010055#define WEAK_PULLUP (PAD_CTL_PUS_100K_UP | \
56 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
57 PAD_CTL_SRE_SLOW)
58
59#define NO_PULLUP ( \
60 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
61 PAD_CTL_SRE_SLOW)
62
63#define WEAK_PULLDOWN (PAD_CTL_PUS_100K_DOWN | \
64 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
65 PAD_CTL_HYS | PAD_CTL_SRE_SLOW)
66
Max Krummenachereeb16b22016-11-30 19:43:09 +010067#define OUTPUT_RGB (PAD_CTL_SPEED_MED|PAD_CTL_DSE_60ohm|PAD_CTL_SRE_FAST)
68
69int dram_init(void)
70{
71 /* use the DDR controllers configured size */
72 gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
73 (ulong)imx_ddr_size());
74
75 return 0;
76}
77
78/* Colibri UARTA */
79iomux_v3_cfg_t const uart1_pads[] = {
80 MX6_PAD_CSI0_DAT10__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
81 MX6_PAD_CSI0_DAT11__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
82};
83
Igor Opaniuk6c6a9862019-12-06 18:24:16 +020084#if defined(CONFIG_FSL_ESDHC_IMX) && defined(CONFIG_SPL_BUILD)
Marcel Ziswilerc882cfb2019-02-08 18:42:12 +010085/* Colibri MMC */
Max Krummenachereeb16b22016-11-30 19:43:09 +010086iomux_v3_cfg_t const usdhc1_pads[] = {
87 MX6_PAD_SD1_CLK__SD1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
88 MX6_PAD_SD1_CMD__SD1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
89 MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
90 MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
91 MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
92 MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
93 MX6_PAD_NANDF_D5__GPIO2_IO05 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
94# define GPIO_MMC_CD IMX_GPIO_NR(2, 5)
95};
96
97/* eMMC */
98iomux_v3_cfg_t const usdhc3_pads[] = {
Max Krummenachera0f4d792019-02-08 18:42:19 +010099 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
100 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
101 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
102 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
103 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
104 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
105 MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
106 MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
107 MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
108 MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_EMMC_PAD_CTRL),
Max Krummenachereeb16b22016-11-30 19:43:09 +0100109 MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL),
110};
Yangbo Lu73340382019-06-21 11:42:28 +0800111#endif /* CONFIG_FSL_ESDHC_IMX & CONFIG_SPL_BUILD */
Max Krummenachereeb16b22016-11-30 19:43:09 +0100112
Max Krummenachereeb16b22016-11-30 19:43:09 +0100113/* mux auxiliary pins to GPIO, so they can be used from the U-Boot cmdline */
114iomux_v3_cfg_t const gpio_pads[] = {
115 /* ADDRESS[17:18] [25] used as GPIO */
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100116 MX6_PAD_KEY_ROW2__GPIO4_IO11 | MUX_PAD_CTRL(WEAK_PULLUP) |
117 MUX_MODE_SION,
118 MX6_PAD_KEY_COL2__GPIO4_IO10 | MUX_PAD_CTRL(WEAK_PULLUP) |
119 MUX_MODE_SION,
120 MX6_PAD_NANDF_D1__GPIO2_IO01 | MUX_PAD_CTRL(WEAK_PULLUP) |
121 MUX_MODE_SION,
Max Krummenachereeb16b22016-11-30 19:43:09 +0100122 /* ADDRESS[19:24] used as GPIO */
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100123 MX6_PAD_DISP0_DAT23__GPIO5_IO17 | MUX_PAD_CTRL(WEAK_PULLUP) |
124 MUX_MODE_SION,
125 MX6_PAD_DISP0_DAT22__GPIO5_IO16 | MUX_PAD_CTRL(WEAK_PULLUP) |
126 MUX_MODE_SION,
127 MX6_PAD_DISP0_DAT21__GPIO5_IO15 | MUX_PAD_CTRL(WEAK_PULLUP) |
128 MUX_MODE_SION,
129 MX6_PAD_DISP0_DAT20__GPIO5_IO14 | MUX_PAD_CTRL(WEAK_PULLUP) |
130 MUX_MODE_SION,
131 MX6_PAD_DISP0_DAT19__GPIO5_IO13 | MUX_PAD_CTRL(WEAK_PULLUP) |
132 MUX_MODE_SION,
133 MX6_PAD_DISP0_DAT18__GPIO5_IO12 | MUX_PAD_CTRL(WEAK_PULLUP) |
134 MUX_MODE_SION,
Max Krummenachereeb16b22016-11-30 19:43:09 +0100135 /* DATA[16:29] [31] used as GPIO */
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100136 MX6_PAD_EIM_LBA__GPIO2_IO27 | MUX_PAD_CTRL(WEAK_PULLUP) |
137 MUX_MODE_SION,
138 MX6_PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(WEAK_PULLUP) |
139 MUX_MODE_SION,
140 MX6_PAD_NANDF_CS3__GPIO6_IO16 | MUX_PAD_CTRL(WEAK_PULLUP) |
141 MUX_MODE_SION,
142 MX6_PAD_NANDF_CS1__GPIO6_IO14 | MUX_PAD_CTRL(WEAK_PULLUP) |
143 MUX_MODE_SION,
144 MX6_PAD_NANDF_RB0__GPIO6_IO10 | MUX_PAD_CTRL(WEAK_PULLUP) |
145 MUX_MODE_SION,
146 MX6_PAD_NANDF_ALE__GPIO6_IO08 | MUX_PAD_CTRL(WEAK_PULLUP) |
147 MUX_MODE_SION,
148 MX6_PAD_NANDF_WP_B__GPIO6_IO09 | MUX_PAD_CTRL(WEAK_PULLUP) |
149 MUX_MODE_SION,
150 MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(WEAK_PULLUP) |
151 MUX_MODE_SION,
152 MX6_PAD_NANDF_CLE__GPIO6_IO07 | MUX_PAD_CTRL(WEAK_PULLUP) |
153 MUX_MODE_SION,
154 MX6_PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(WEAK_PULLUP) |
155 MUX_MODE_SION,
156 MX6_PAD_CSI0_MCLK__GPIO5_IO19 | MUX_PAD_CTRL(WEAK_PULLUP) |
157 MUX_MODE_SION,
158 MX6_PAD_CSI0_PIXCLK__GPIO5_IO18 | MUX_PAD_CTRL(WEAK_PULLUP) |
159 MUX_MODE_SION,
160 MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(WEAK_PULLUP) |
161 MUX_MODE_SION,
162 MX6_PAD_GPIO_5__GPIO1_IO05 | MUX_PAD_CTRL(WEAK_PULLUP) |
163 MUX_MODE_SION,
164 MX6_PAD_GPIO_2__GPIO1_IO02 | MUX_PAD_CTRL(WEAK_PULLUP) |
165 MUX_MODE_SION,
Max Krummenachereeb16b22016-11-30 19:43:09 +0100166 /* DQM[0:3] used as GPIO */
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100167 MX6_PAD_EIM_EB0__GPIO2_IO28 | MUX_PAD_CTRL(WEAK_PULLUP) |
168 MUX_MODE_SION,
169 MX6_PAD_EIM_EB1__GPIO2_IO29 | MUX_PAD_CTRL(WEAK_PULLUP) |
170 MUX_MODE_SION,
171 MX6_PAD_SD2_DAT2__GPIO1_IO13 | MUX_PAD_CTRL(WEAK_PULLUP) |
172 MUX_MODE_SION,
173 MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(WEAK_PULLUP) |
174 MUX_MODE_SION,
Max Krummenachereeb16b22016-11-30 19:43:09 +0100175 /* RDY used as GPIO */
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100176 MX6_PAD_EIM_WAIT__GPIO5_IO00 | MUX_PAD_CTRL(WEAK_PULLUP) |
177 MUX_MODE_SION,
Max Krummenachereeb16b22016-11-30 19:43:09 +0100178 /* ADDRESS[16] DATA[30] used as GPIO */
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100179 MX6_PAD_KEY_ROW4__GPIO4_IO15 | MUX_PAD_CTRL(WEAK_PULLDOWN) |
180 MUX_MODE_SION,
181 MX6_PAD_KEY_COL4__GPIO4_IO14 | MUX_PAD_CTRL(WEAK_PULLUP) |
182 MUX_MODE_SION,
Max Krummenachereeb16b22016-11-30 19:43:09 +0100183 /* CSI pins used as GPIO */
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100184 MX6_PAD_EIM_A24__GPIO5_IO04 | MUX_PAD_CTRL(WEAK_PULLUP) |
185 MUX_MODE_SION,
186 MX6_PAD_SD2_CMD__GPIO1_IO11 | MUX_PAD_CTRL(WEAK_PULLUP) |
187 MUX_MODE_SION,
188 MX6_PAD_NANDF_CS2__GPIO6_IO15 | MUX_PAD_CTRL(WEAK_PULLUP) |
189 MUX_MODE_SION,
190 MX6_PAD_EIM_D18__GPIO3_IO18 | MUX_PAD_CTRL(WEAK_PULLUP) |
191 MUX_MODE_SION,
192 MX6_PAD_EIM_A19__GPIO2_IO19 | MUX_PAD_CTRL(WEAK_PULLUP) |
193 MUX_MODE_SION,
194 MX6_PAD_EIM_D29__GPIO3_IO29 | MUX_PAD_CTRL(WEAK_PULLDOWN) |
195 MUX_MODE_SION,
196 MX6_PAD_EIM_A23__GPIO6_IO06 | MUX_PAD_CTRL(WEAK_PULLUP) |
197 MUX_MODE_SION,
198 MX6_PAD_EIM_A20__GPIO2_IO18 | MUX_PAD_CTRL(WEAK_PULLUP) |
199 MUX_MODE_SION,
200 MX6_PAD_EIM_A17__GPIO2_IO21 | MUX_PAD_CTRL(WEAK_PULLUP) |
201 MUX_MODE_SION,
202 MX6_PAD_EIM_A18__GPIO2_IO20 | MUX_PAD_CTRL(WEAK_PULLUP) |
203 MUX_MODE_SION,
204 MX6_PAD_EIM_EB3__GPIO2_IO31 | MUX_PAD_CTRL(WEAK_PULLUP) |
205 MUX_MODE_SION,
206 MX6_PAD_EIM_D17__GPIO3_IO17 | MUX_PAD_CTRL(WEAK_PULLUP) |
207 MUX_MODE_SION,
208 MX6_PAD_SD2_DAT0__GPIO1_IO15 | MUX_PAD_CTRL(WEAK_PULLUP) |
209 MUX_MODE_SION,
Max Krummenachereeb16b22016-11-30 19:43:09 +0100210 /* GPIO */
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100211 MX6_PAD_EIM_D26__GPIO3_IO26 | MUX_PAD_CTRL(WEAK_PULLUP) |
212 MUX_MODE_SION,
213 MX6_PAD_EIM_D27__GPIO3_IO27 | MUX_PAD_CTRL(WEAK_PULLUP) |
214 MUX_MODE_SION,
215 MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(WEAK_PULLUP) |
216 MUX_MODE_SION,
217 MX6_PAD_NANDF_D3__GPIO2_IO03 | MUX_PAD_CTRL(WEAK_PULLUP) |
218 MUX_MODE_SION,
219 MX6_PAD_ENET_REF_CLK__GPIO1_IO23 | MUX_PAD_CTRL(WEAK_PULLUP) |
220 MUX_MODE_SION,
221 MX6_PAD_DI0_PIN4__GPIO4_IO20 | MUX_PAD_CTRL(WEAK_PULLUP) |
222 MUX_MODE_SION,
223 MX6_PAD_SD4_DAT3__GPIO2_IO11 | MUX_PAD_CTRL(WEAK_PULLUP) |
224 MUX_MODE_SION,
225 MX6_PAD_NANDF_D4__GPIO2_IO04 | MUX_PAD_CTRL(WEAK_PULLUP) |
226 MUX_MODE_SION,
227 MX6_PAD_SD4_DAT0__GPIO2_IO08 | MUX_PAD_CTRL(WEAK_PULLUP) |
228 MUX_MODE_SION,
229 MX6_PAD_GPIO_7__GPIO1_IO07 | MUX_PAD_CTRL(WEAK_PULLUP) |
230 MUX_MODE_SION,
231 MX6_PAD_GPIO_8__GPIO1_IO08 | MUX_PAD_CTRL(WEAK_PULLUP) |
232 MUX_MODE_SION,
Max Krummenachereeb16b22016-11-30 19:43:09 +0100233 /* USBH_OC */
234 MX6_PAD_EIM_D30__GPIO3_IO30 | MUX_PAD_CTRL(WEAK_PULLUP),
235 /* USBC_ID */
236 MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(WEAK_PULLUP),
237 /* USBC_DET */
238 MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(WEAK_PULLUP),
239};
240
241static void setup_iomux_gpio(void)
242{
243 imx_iomux_v3_setup_multiple_pads(gpio_pads, ARRAY_SIZE(gpio_pads));
244}
245
246iomux_v3_cfg_t const usb_pads[] = {
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100247 /* USBH_PEN */
248 MX6_PAD_EIM_D31__GPIO3_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL) | MUX_MODE_SION,
Max Krummenachereeb16b22016-11-30 19:43:09 +0100249# define GPIO_USBH_EN IMX_GPIO_NR(3, 31)
250};
251
252/*
253 * UARTs are used in DTE mode, switch the mode on all UARTs before
254 * any pinmuxing connects a (DCE) output to a transceiver output.
255 */
Max Krummenacher003bc132019-02-08 18:42:21 +0100256#define UCR3 0x88 /* FIFO Control Register */
257#define UCR3_RI BIT(8) /* RIDELT DTE mode */
258#define UCR3_DCD BIT(9) /* DCDDELT DTE mode */
Max Krummenachereeb16b22016-11-30 19:43:09 +0100259#define UFCR 0x90 /* FIFO Control Register */
Max Krummenacher003bc132019-02-08 18:42:21 +0100260#define UFCR_DCEDTE BIT(6) /* DCE=0 */
Max Krummenachereeb16b22016-11-30 19:43:09 +0100261
262static void setup_dtemode_uart(void)
263{
264 setbits_le32((u32 *)(UART1_BASE + UFCR), UFCR_DCEDTE);
265 setbits_le32((u32 *)(UART2_BASE + UFCR), UFCR_DCEDTE);
266 setbits_le32((u32 *)(UART3_BASE + UFCR), UFCR_DCEDTE);
Max Krummenacher003bc132019-02-08 18:42:21 +0100267
268 clrbits_le32((u32 *)(UART1_BASE + UCR3), UCR3_DCD | UCR3_RI);
269 clrbits_le32((u32 *)(UART2_BASE + UCR3), UCR3_DCD | UCR3_RI);
270 clrbits_le32((u32 *)(UART3_BASE + UCR3), UCR3_DCD | UCR3_RI);
Max Krummenachereeb16b22016-11-30 19:43:09 +0100271}
272
273static void setup_iomux_uart(void)
274{
275 setup_dtemode_uart();
276 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
277}
278
279#ifdef CONFIG_USB_EHCI_MX6
280int board_ehci_hcd_init(int port)
281{
282 imx_iomux_v3_setup_multiple_pads(usb_pads, ARRAY_SIZE(usb_pads));
283 return 0;
284}
Marcel Ziswilerf2839442019-02-08 18:42:15 +0100285#endif
Max Krummenachereeb16b22016-11-30 19:43:09 +0100286
Igor Opaniuk6c6a9862019-12-06 18:24:16 +0200287#if defined(CONFIG_FSL_ESDHC_IMX) && defined(CONFIG_SPL_BUILD)
Max Krummenachereeb16b22016-11-30 19:43:09 +0100288/* use the following sequence: eMMC, MMC */
289struct fsl_esdhc_cfg usdhc_cfg[CONFIG_SYS_FSL_USDHC_NUM] = {
290 {USDHC3_BASE_ADDR},
291 {USDHC1_BASE_ADDR},
292};
293
294int board_mmc_getcd(struct mmc *mmc)
295{
296 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
297 int ret = true; /* default: assume inserted */
298
299 switch (cfg->esdhc_base) {
300 case USDHC1_BASE_ADDR:
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100301 gpio_request(GPIO_MMC_CD, "MMC_CD");
Max Krummenachereeb16b22016-11-30 19:43:09 +0100302 gpio_direction_input(GPIO_MMC_CD);
303 ret = !gpio_get_value(GPIO_MMC_CD);
304 break;
305 }
306
307 return ret;
308}
309
310int board_mmc_init(bd_t *bis)
311{
Max Krummenachereeb16b22016-11-30 19:43:09 +0100312 struct src *psrc = (struct src *)SRC_BASE_ADDR;
313 unsigned reg = readl(&psrc->sbmr1) >> 11;
314 /*
315 * Upon reading BOOT_CFG register the following map is done:
316 * Bit 11 and 12 of BOOT_CFG register can determine the current
317 * mmc port
318 * 0x1 SD1
319 * 0x2 SD2
320 * 0x3 SD4
321 */
322
323 switch (reg & 0x3) {
324 case 0x0:
325 imx_iomux_v3_setup_multiple_pads(
326 usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
327 usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR;
328 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
329 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
330 break;
331 case 0x2:
332 imx_iomux_v3_setup_multiple_pads(
333 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
334 usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
335 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
336 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
337 break;
338 default:
339 puts("MMC boot device not available");
340 }
341
342 return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
Max Krummenachereeb16b22016-11-30 19:43:09 +0100343}
Yangbo Lu73340382019-06-21 11:42:28 +0800344#endif /* CONFIG_FSL_ESDHC_IMX & CONFIG_SPL_BUILD */
Max Krummenachereeb16b22016-11-30 19:43:09 +0100345
346int board_phy_config(struct phy_device *phydev)
347{
348 if (phydev->drv->config)
349 phydev->drv->config(phydev);
350
351 return 0;
352}
353
Igor Opaniuk03e68cd2019-11-04 11:12:00 +0100354int setup_fec(void)
Max Krummenachereeb16b22016-11-30 19:43:09 +0100355{
Max Krummenachereeb16b22016-11-30 19:43:09 +0100356 int ret;
357
358 /* provide the PHY clock from the i.MX 6 */
359 ret = enable_fec_anatop_clock(0, ENET_50MHZ);
360 if (ret)
361 return ret;
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100362
Max Krummenachereeb16b22016-11-30 19:43:09 +0100363 return 0;
364}
365
366static iomux_v3_cfg_t const pwr_intb_pads[] = {
367 /*
368 * the bootrom sets the iomux to vselect, potentially connecting
369 * two outputs. Set this back to GPIO
370 */
371 MX6_PAD_GPIO_18__GPIO7_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL)
372};
373
374#if defined(CONFIG_VIDEO_IPUV3)
375
376static iomux_v3_cfg_t const backlight_pads[] = {
377 /* Backlight On */
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100378 MX6_PAD_EIM_D26__GPIO3_IO26 | MUX_PAD_CTRL(NO_PAD_CTRL) | MUX_MODE_SION,
Max Krummenachereeb16b22016-11-30 19:43:09 +0100379#define RGB_BACKLIGHT_GP IMX_GPIO_NR(3, 26)
380 /* Backlight PWM, used as GPIO in U-Boot */
381 MX6_PAD_EIM_A22__GPIO2_IO16 | MUX_PAD_CTRL(NO_PULLUP),
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100382 MX6_PAD_SD4_DAT1__GPIO2_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL) |
383 MUX_MODE_SION,
Max Krummenachereeb16b22016-11-30 19:43:09 +0100384#define RGB_BACKLIGHTPWM_GP IMX_GPIO_NR(2, 9)
385};
386
387static iomux_v3_cfg_t const rgb_pads[] = {
388 MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(OUTPUT_RGB),
389 MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(OUTPUT_RGB),
390 MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(OUTPUT_RGB),
391 MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(OUTPUT_RGB),
392 MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(OUTPUT_RGB),
393 MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(OUTPUT_RGB),
394 MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(OUTPUT_RGB),
395 MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(OUTPUT_RGB),
396 MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(OUTPUT_RGB),
397 MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(OUTPUT_RGB),
398 MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(OUTPUT_RGB),
399 MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(OUTPUT_RGB),
400 MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(OUTPUT_RGB),
401 MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(OUTPUT_RGB),
402 MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(OUTPUT_RGB),
403 MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(OUTPUT_RGB),
404 MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(OUTPUT_RGB),
405 MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(OUTPUT_RGB),
406 MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(OUTPUT_RGB),
407 MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(OUTPUT_RGB),
408 MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(OUTPUT_RGB),
409 MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(OUTPUT_RGB),
410};
411
412static void do_enable_hdmi(struct display_info_t const *dev)
413{
414 imx_enable_hdmi_phy();
415}
416
417static void enable_rgb(struct display_info_t const *dev)
418{
419 imx_iomux_v3_setup_multiple_pads(
420 rgb_pads,
421 ARRAY_SIZE(rgb_pads));
422 gpio_direction_output(RGB_BACKLIGHT_GP, 1);
423 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
424}
425
426static int detect_default(struct display_info_t const *dev)
427{
428 (void) dev;
429 return 1;
430}
431
432struct display_info_t const displays[] = {{
433 .bus = -1,
434 .addr = 0,
435 .pixfmt = IPU_PIX_FMT_RGB24,
436 .detect = detect_hdmi,
437 .enable = do_enable_hdmi,
438 .mode = {
439 .name = "HDMI",
440 .refresh = 60,
441 .xres = 1024,
442 .yres = 768,
443 .pixclock = 15385,
444 .left_margin = 220,
445 .right_margin = 40,
446 .upper_margin = 21,
447 .lower_margin = 7,
448 .hsync_len = 60,
449 .vsync_len = 10,
450 .sync = FB_SYNC_EXT,
451 .vmode = FB_VMODE_NONINTERLACED
452} }, {
453 .bus = -1,
454 .addr = 0,
455 .pixfmt = IPU_PIX_FMT_RGB666,
456 .detect = detect_default,
457 .enable = enable_rgb,
458 .mode = {
459 .name = "vga-rgb",
460 .refresh = 60,
461 .xres = 640,
462 .yres = 480,
463 .pixclock = 33000,
464 .left_margin = 48,
465 .right_margin = 16,
466 .upper_margin = 31,
467 .lower_margin = 11,
468 .hsync_len = 96,
469 .vsync_len = 2,
470 .sync = 0,
471 .vmode = FB_VMODE_NONINTERLACED
472} }, {
473 .bus = -1,
474 .addr = 0,
475 .pixfmt = IPU_PIX_FMT_RGB666,
476 .enable = enable_rgb,
477 .mode = {
478 .name = "wvga-rgb",
479 .refresh = 60,
480 .xres = 800,
481 .yres = 480,
482 .pixclock = 25000,
483 .left_margin = 40,
484 .right_margin = 88,
485 .upper_margin = 33,
486 .lower_margin = 10,
487 .hsync_len = 128,
488 .vsync_len = 2,
489 .sync = 0,
490 .vmode = FB_VMODE_NONINTERLACED
491} } };
492size_t display_count = ARRAY_SIZE(displays);
493
494static void setup_display(void)
495{
496 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
497 struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
498 int reg;
499
500 enable_ipu_clock();
501 imx_setup_hdmi();
502 /* Turn on LDB0,IPU,IPU DI0 clocks */
503 reg = __raw_readl(&mxc_ccm->CCGR3);
504 reg |= MXC_CCM_CCGR3_LDB_DI0_MASK;
505 writel(reg, &mxc_ccm->CCGR3);
506
507 /* set LDB0, LDB1 clk select to 011/011 */
508 reg = readl(&mxc_ccm->cs2cdr);
509 reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK
510 |MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
511 reg |= (3<<MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET)
512 |(3<<MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
513 writel(reg, &mxc_ccm->cs2cdr);
514
515 reg = readl(&mxc_ccm->cscmr2);
516 reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV;
517 writel(reg, &mxc_ccm->cscmr2);
518
519 reg = readl(&mxc_ccm->chsccdr);
520 reg |= (CHSCCDR_CLK_SEL_LDB_DI0
521 <<MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
522 writel(reg, &mxc_ccm->chsccdr);
523
524 reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
525 |IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH
526 |IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
527 |IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
528 |IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
529 |IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
530 |IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
531 |IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED
532 |IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0;
533 writel(reg, &iomux->gpr[2]);
534
535 reg = readl(&iomux->gpr[3]);
536 reg = (reg & ~(IOMUXC_GPR3_LVDS0_MUX_CTL_MASK
537 |IOMUXC_GPR3_HDMI_MUX_CTL_MASK))
538 | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0
539 <<IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
540 writel(reg, &iomux->gpr[3]);
541
542 /* backlight unconditionally on for now */
543 imx_iomux_v3_setup_multiple_pads(backlight_pads,
544 ARRAY_SIZE(backlight_pads));
545 /* use 0 for EDT 7", use 1 for LG fullHD panel */
Marcel Ziswiler3e43a502019-02-08 18:42:10 +0100546 gpio_request(RGB_BACKLIGHTPWM_GP, "PWM<A>");
547 gpio_request(RGB_BACKLIGHT_GP, "BL_ON");
Max Krummenachereeb16b22016-11-30 19:43:09 +0100548 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 0);
549 gpio_direction_output(RGB_BACKLIGHT_GP, 1);
550}
Gerard Salvatella108d7392018-11-19 15:54:10 +0100551
552/*
553 * Backlight off before OS handover
554 */
555void board_preboot_os(void)
556{
557 gpio_direction_output(RGB_BACKLIGHTPWM_GP, 1);
558 gpio_direction_output(RGB_BACKLIGHT_GP, 0);
559}
Max Krummenachereeb16b22016-11-30 19:43:09 +0100560#endif /* defined(CONFIG_VIDEO_IPUV3) */
561
562int board_early_init_f(void)
563{
564 imx_iomux_v3_setup_multiple_pads(pwr_intb_pads,
565 ARRAY_SIZE(pwr_intb_pads));
566 setup_iomux_uart();
567
Max Krummenachereeb16b22016-11-30 19:43:09 +0100568 return 0;
569}
570
571/*
572 * Do not overwrite the console
573 * Use always serial for U-Boot console
574 */
575int overwrite_console(void)
576{
577 return 1;
578}
579
580int board_init(void)
581{
582 /* address of boot parameters */
583 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
Igor Opaniuk03e68cd2019-11-04 11:12:00 +0100584#if defined(CONFIG_FEC_MXC)
585 setup_fec();
586#endif
Fabio Estevamfd2525a2017-09-22 23:45:33 -0300587#if defined(CONFIG_VIDEO_IPUV3)
588 setup_display();
589#endif
590
Max Krummenachereeb16b22016-11-30 19:43:09 +0100591#ifdef CONFIG_TDX_CMD_IMX_MFGR
592 (void) pmic_init();
593#endif
594
Simon Glassab3055a2017-06-14 21:28:25 -0600595#ifdef CONFIG_SATA
Max Krummenachereeb16b22016-11-30 19:43:09 +0100596 setup_sata();
597#endif
598
599 setup_iomux_gpio();
600
601 return 0;
602}
603
604#ifdef CONFIG_BOARD_LATE_INIT
605int board_late_init(void)
606{
607#if defined(CONFIG_REVISION_TAG) && \
608 defined(CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG)
609 char env_str[256];
610 u32 rev;
611
612 rev = get_board_rev();
613 snprintf(env_str, ARRAY_SIZE(env_str), "%.4x", rev);
Simon Glass6a38e412017-08-03 12:22:09 -0600614 env_set("board_rev", env_str);
Max Krummenachereeb16b22016-11-30 19:43:09 +0100615#endif
616
Stefan Agnerea8e2e92019-02-08 18:42:26 +0100617#ifdef CONFIG_CMD_USB_SDP
618 if (is_boot_from_usb()) {
619 printf("Serial Downloader recovery mode, using sdp command\n");
620 env_set("bootdelay", "0");
621 env_set("bootcmd", "sdp 0");
622 }
623#endif /* CONFIG_CMD_USB_SDP */
624
Max Krummenachereeb16b22016-11-30 19:43:09 +0100625 return 0;
626}
627#endif /* CONFIG_BOARD_LATE_INIT */
628
Max Krummenachereeb16b22016-11-30 19:43:09 +0100629int checkboard(void)
630{
631 char it[] = " IT";
632 int minc, maxc;
633
634 switch (get_cpu_temp_grade(&minc, &maxc)) {
635 case TEMP_AUTOMOTIVE:
636 case TEMP_INDUSTRIAL:
637 break;
638 case TEMP_EXTCOMMERCIAL:
639 default:
640 it[0] = 0;
641 };
642 printf("Model: Toradex Colibri iMX6 %s %sMB%s\n",
643 is_cpu_type(MXC_CPU_MX6DL) ? "DualLite" : "Solo",
644 (gd->ram_size == 0x20000000) ? "512" : "256", it);
645 return 0;
646}
647
648#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
649int ft_board_setup(void *blob, bd_t *bd)
650{
Bhuvanchandra DVcd6072c2019-02-08 18:42:24 +0100651 u32 cma_size;
652
653 ft_common_board_setup(blob, bd);
654
Stefan Agnerea8e2e92019-02-08 18:42:26 +0100655 cma_size = env_get_ulong("cma-size", 10, 320 * 1024 * 1024);
Bhuvanchandra DVcd6072c2019-02-08 18:42:24 +0100656 cma_size = min((u32)(gd->ram_size >> 1), cma_size);
657
658 fdt_setprop_u32(blob,
659 fdt_path_offset(blob, "/reserved-memory/linux,cma"),
660 "size",
661 cma_size);
662 return 0;
Max Krummenachereeb16b22016-11-30 19:43:09 +0100663}
664#endif
665
666#ifdef CONFIG_CMD_BMODE
667static const struct boot_mode board_boot_modes[] = {
668 {"mmc", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)},
669 {NULL, 0},
670};
671#endif
672
673int misc_init_r(void)
674{
675#ifdef CONFIG_CMD_BMODE
676 add_board_boot_modes(board_boot_modes);
677#endif
678 return 0;
679}
680
681#ifdef CONFIG_LDO_BYPASS_CHECK
682/* TODO, use external pmic, for now always ldo_enable */
683void ldo_mode_set(int ldo_bypass)
684{
685 return;
686}
687#endif
688
689#ifdef CONFIG_SPL_BUILD
690#include <spl.h>
Masahiro Yamada75f82d02018-03-05 01:20:11 +0900691#include <linux/libfdt.h>
Max Krummenachereeb16b22016-11-30 19:43:09 +0100692#include "asm/arch/mx6dl-ddr.h"
693#include "asm/arch/iomux.h"
694#include "asm/arch/crm_regs.h"
695
696static int mx6s_dcd_table[] = {
697/* ddr-setup.cfg */
698
699MX6_IOM_DRAM_SDQS0, 0x00000030,
700MX6_IOM_DRAM_SDQS1, 0x00000030,
701MX6_IOM_DRAM_SDQS2, 0x00000030,
702MX6_IOM_DRAM_SDQS3, 0x00000030,
703MX6_IOM_DRAM_SDQS4, 0x00000030,
704MX6_IOM_DRAM_SDQS5, 0x00000030,
705MX6_IOM_DRAM_SDQS6, 0x00000030,
706MX6_IOM_DRAM_SDQS7, 0x00000030,
707
708MX6_IOM_GRP_B0DS, 0x00000030,
709MX6_IOM_GRP_B1DS, 0x00000030,
710MX6_IOM_GRP_B2DS, 0x00000030,
711MX6_IOM_GRP_B3DS, 0x00000030,
712MX6_IOM_GRP_B4DS, 0x00000030,
713MX6_IOM_GRP_B5DS, 0x00000030,
714MX6_IOM_GRP_B6DS, 0x00000030,
715MX6_IOM_GRP_B7DS, 0x00000030,
716MX6_IOM_GRP_ADDDS, 0x00000030,
717/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
718MX6_IOM_GRP_CTLDS, 0x00000030,
719
720MX6_IOM_DRAM_DQM0, 0x00020030,
721MX6_IOM_DRAM_DQM1, 0x00020030,
722MX6_IOM_DRAM_DQM2, 0x00020030,
723MX6_IOM_DRAM_DQM3, 0x00020030,
724MX6_IOM_DRAM_DQM4, 0x00020030,
725MX6_IOM_DRAM_DQM5, 0x00020030,
726MX6_IOM_DRAM_DQM6, 0x00020030,
727MX6_IOM_DRAM_DQM7, 0x00020030,
728
729MX6_IOM_DRAM_CAS, 0x00020030,
730MX6_IOM_DRAM_RAS, 0x00020030,
731MX6_IOM_DRAM_SDCLK_0, 0x00020030,
732MX6_IOM_DRAM_SDCLK_1, 0x00020030,
733
734MX6_IOM_DRAM_RESET, 0x00020030,
735MX6_IOM_DRAM_SDCKE0, 0x00003000,
736MX6_IOM_DRAM_SDCKE1, 0x00003000,
737
738MX6_IOM_DRAM_SDODT0, 0x00003030,
739MX6_IOM_DRAM_SDODT1, 0x00003030,
740
741/* (differential input) */
742MX6_IOM_DDRMODE_CTL, 0x00020000,
743/* (differential input) */
744MX6_IOM_GRP_DDRMODE, 0x00020000,
745/* disable ddr pullups */
746MX6_IOM_GRP_DDRPKE, 0x00000000,
747MX6_IOM_DRAM_SDBA2, 0x00000000,
748/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
749MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
750
751/* Read data DQ Byte0-3 delay */
752MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
753MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
754MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
755MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
756MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333,
757MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333,
758MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333,
759MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333,
760
761/*
762 * MDMISC mirroring interleaved (row/bank/col)
763 */
764/* TODO: check what the RALAT field does */
765MX6_MMDC_P0_MDMISC, 0x00081740,
766
767/*
768 * MDSCR con_req
769 */
770MX6_MMDC_P0_MDSCR, 0x00008000,
771
772
773/* 800mhz_2x64mx16.cfg */
774
775MX6_MMDC_P0_MDPDC, 0x0002002D,
776MX6_MMDC_P0_MDCFG0, 0x2C305503,
777MX6_MMDC_P0_MDCFG1, 0xB66D8D63,
778MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
779MX6_MMDC_P0_MDRWD, 0x000026D2,
780MX6_MMDC_P0_MDOR, 0x00301023,
781MX6_MMDC_P0_MDOTC, 0x00333030,
782MX6_MMDC_P0_MDPDC, 0x0002556D,
783/* CS0 End: 7MSB of ((0x10000000, + 512M) -1) >> 25 */
784MX6_MMDC_P0_MDASP, 0x00000017,
785/* DDR3 DATA BUS SIZE: 64BIT */
786/* MX6_MMDC_P0_MDCTL, 0x821A0000, */
787/* DDR3 DATA BUS SIZE: 32BIT */
788MX6_MMDC_P0_MDCTL, 0x82190000,
789
790/* Write commands to DDR */
791/* Load Mode Registers */
792/* TODO Use Auto Self-Refresh mode (Extended Temperature)*/
793/* MX6_MMDC_P0_MDSCR, 0x04408032, */
794MX6_MMDC_P0_MDSCR, 0x04008032,
795MX6_MMDC_P0_MDSCR, 0x00008033,
796MX6_MMDC_P0_MDSCR, 0x00048031,
797MX6_MMDC_P0_MDSCR, 0x13208030,
798/* ZQ calibration */
799MX6_MMDC_P0_MDSCR, 0x04008040,
800
801MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
802MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003,
803MX6_MMDC_P0_MDREF, 0x00005800,
804
805MX6_MMDC_P0_MPODTCTRL, 0x00000000,
806MX6_MMDC_P1_MPODTCTRL, 0x00000000,
807
808MX6_MMDC_P0_MPDGCTRL0, 0x42360232,
809MX6_MMDC_P0_MPDGCTRL1, 0x021F022A,
810MX6_MMDC_P1_MPDGCTRL0, 0x421E0224,
811MX6_MMDC_P1_MPDGCTRL1, 0x02110218,
812
813MX6_MMDC_P0_MPRDDLCTL, 0x41434344,
814MX6_MMDC_P1_MPRDDLCTL, 0x4345423E,
815MX6_MMDC_P0_MPWRDLCTL, 0x39383339,
816MX6_MMDC_P1_MPWRDLCTL, 0x3E363930,
817
818MX6_MMDC_P0_MPWLDECTRL0, 0x00340039,
819MX6_MMDC_P0_MPWLDECTRL1, 0x002C002D,
820MX6_MMDC_P1_MPWLDECTRL0, 0x00120019,
821MX6_MMDC_P1_MPWLDECTRL1, 0x0012002D,
822
823MX6_MMDC_P0_MPMUR0, 0x00000800,
824MX6_MMDC_P1_MPMUR0, 0x00000800,
825MX6_MMDC_P0_MDSCR, 0x00000000,
826MX6_MMDC_P0_MAPSR, 0x00011006,
827};
828
829static int mx6dl_dcd_table[] = {
830/* ddr-setup.cfg */
831
832MX6_IOM_DRAM_SDQS0, 0x00000030,
833MX6_IOM_DRAM_SDQS1, 0x00000030,
834MX6_IOM_DRAM_SDQS2, 0x00000030,
835MX6_IOM_DRAM_SDQS3, 0x00000030,
836MX6_IOM_DRAM_SDQS4, 0x00000030,
837MX6_IOM_DRAM_SDQS5, 0x00000030,
838MX6_IOM_DRAM_SDQS6, 0x00000030,
839MX6_IOM_DRAM_SDQS7, 0x00000030,
840
841MX6_IOM_GRP_B0DS, 0x00000030,
842MX6_IOM_GRP_B1DS, 0x00000030,
843MX6_IOM_GRP_B2DS, 0x00000030,
844MX6_IOM_GRP_B3DS, 0x00000030,
845MX6_IOM_GRP_B4DS, 0x00000030,
846MX6_IOM_GRP_B5DS, 0x00000030,
847MX6_IOM_GRP_B6DS, 0x00000030,
848MX6_IOM_GRP_B7DS, 0x00000030,
849MX6_IOM_GRP_ADDDS, 0x00000030,
850/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
851MX6_IOM_GRP_CTLDS, 0x00000030,
852
853MX6_IOM_DRAM_DQM0, 0x00020030,
854MX6_IOM_DRAM_DQM1, 0x00020030,
855MX6_IOM_DRAM_DQM2, 0x00020030,
856MX6_IOM_DRAM_DQM3, 0x00020030,
857MX6_IOM_DRAM_DQM4, 0x00020030,
858MX6_IOM_DRAM_DQM5, 0x00020030,
859MX6_IOM_DRAM_DQM6, 0x00020030,
860MX6_IOM_DRAM_DQM7, 0x00020030,
861
862MX6_IOM_DRAM_CAS, 0x00020030,
863MX6_IOM_DRAM_RAS, 0x00020030,
864MX6_IOM_DRAM_SDCLK_0, 0x00020030,
865MX6_IOM_DRAM_SDCLK_1, 0x00020030,
866
867MX6_IOM_DRAM_RESET, 0x00020030,
868MX6_IOM_DRAM_SDCKE0, 0x00003000,
869MX6_IOM_DRAM_SDCKE1, 0x00003000,
870
871MX6_IOM_DRAM_SDODT0, 0x00003030,
872MX6_IOM_DRAM_SDODT1, 0x00003030,
873
874/* (differential input) */
875MX6_IOM_DDRMODE_CTL, 0x00020000,
876/* (differential input) */
877MX6_IOM_GRP_DDRMODE, 0x00020000,
878/* disable ddr pullups */
879MX6_IOM_GRP_DDRPKE, 0x00000000,
880MX6_IOM_DRAM_SDBA2, 0x00000000,
881/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */
882MX6_IOM_GRP_DDR_TYPE, 0x000C0000,
883
884/* Read data DQ Byte0-3 delay */
885MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333,
886MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333,
887MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333,
888MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333,
889MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333,
890MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333,
891MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333,
892MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333,
893
894/*
895 * MDMISC mirroring interleaved (row/bank/col)
896 */
897/* TODO: check what the RALAT field does */
898MX6_MMDC_P0_MDMISC, 0x00081740,
899
900/*
901 * MDSCR con_req
902 */
903MX6_MMDC_P0_MDSCR, 0x00008000,
904
905
906/* 800mhz_2x64mx16.cfg */
907
908MX6_MMDC_P0_MDPDC, 0x0002002D,
909MX6_MMDC_P0_MDCFG0, 0x2C305503,
910MX6_MMDC_P0_MDCFG1, 0xB66D8D63,
911MX6_MMDC_P0_MDCFG2, 0x01FF00DB,
912MX6_MMDC_P0_MDRWD, 0x000026D2,
913MX6_MMDC_P0_MDOR, 0x00301023,
914MX6_MMDC_P0_MDOTC, 0x00333030,
915MX6_MMDC_P0_MDPDC, 0x0002556D,
916/* CS0 End: 7MSB of ((0x10000000, + 512M) -1) >> 25 */
917MX6_MMDC_P0_MDASP, 0x00000017,
918/* DDR3 DATA BUS SIZE: 64BIT */
919MX6_MMDC_P0_MDCTL, 0x821A0000,
920/* DDR3 DATA BUS SIZE: 32BIT */
921/* MX6_MMDC_P0_MDCTL, 0x82190000, */
922
923/* Write commands to DDR */
924/* Load Mode Registers */
925/* TODO Use Auto Self-Refresh mode (Extended Temperature)*/
926/* MX6_MMDC_P0_MDSCR, 0x04408032, */
927MX6_MMDC_P0_MDSCR, 0x04008032,
928MX6_MMDC_P0_MDSCR, 0x00008033,
929MX6_MMDC_P0_MDSCR, 0x00048031,
930MX6_MMDC_P0_MDSCR, 0x13208030,
931/* ZQ calibration */
932MX6_MMDC_P0_MDSCR, 0x04008040,
933
934MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003,
935MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003,
936MX6_MMDC_P0_MDREF, 0x00005800,
937
938MX6_MMDC_P0_MPODTCTRL, 0x00000000,
939MX6_MMDC_P1_MPODTCTRL, 0x00000000,
940
941MX6_MMDC_P0_MPDGCTRL0, 0x42360232,
942MX6_MMDC_P0_MPDGCTRL1, 0x021F022A,
943MX6_MMDC_P1_MPDGCTRL0, 0x421E0224,
944MX6_MMDC_P1_MPDGCTRL1, 0x02110218,
945
946MX6_MMDC_P0_MPRDDLCTL, 0x41434344,
947MX6_MMDC_P1_MPRDDLCTL, 0x4345423E,
948MX6_MMDC_P0_MPWRDLCTL, 0x39383339,
949MX6_MMDC_P1_MPWRDLCTL, 0x3E363930,
950
951MX6_MMDC_P0_MPWLDECTRL0, 0x00340039,
952MX6_MMDC_P0_MPWLDECTRL1, 0x002C002D,
953MX6_MMDC_P1_MPWLDECTRL0, 0x00120019,
954MX6_MMDC_P1_MPWLDECTRL1, 0x0012002D,
955
956MX6_MMDC_P0_MPMUR0, 0x00000800,
957MX6_MMDC_P1_MPMUR0, 0x00000800,
958MX6_MMDC_P0_MDSCR, 0x00000000,
959MX6_MMDC_P0_MAPSR, 0x00011006,
960};
961
962static void ccgr_init(void)
963{
964 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
965
966 writel(0x00C03F3F, &ccm->CCGR0);
967 writel(0x0030FC03, &ccm->CCGR1);
968 writel(0x0FFFFFF3, &ccm->CCGR2);
969 writel(0x3FF0300F, &ccm->CCGR3);
970 writel(0x00FFF300, &ccm->CCGR4);
971 writel(0x0F0000F3, &ccm->CCGR5);
972 writel(0x000003FF, &ccm->CCGR6);
973
974/*
975 * Setup CCM_CCOSR register as follows:
976 *
977 * cko1_en = 1 --> CKO1 enabled
978 * cko1_div = 111 --> divide by 8
979 * cko1_sel = 1011 --> ahb_clk_root
980 *
981 * This sets CKO1 at ahb_clk_root/8 = 132/8 = 16.5 MHz
982 */
983 writel(0x000000FB, &ccm->ccosr);
984}
985
Max Krummenachereeb16b22016-11-30 19:43:09 +0100986static void ddr_init(int *table, int size)
987{
988 int i;
989
990 for (i = 0; i < size / 2 ; i++)
991 writel(table[2 * i + 1], table[2 * i]);
992}
993
994static void spl_dram_init(void)
995{
996 int minc, maxc;
997
998 switch (get_cpu_temp_grade(&minc, &maxc)) {
999 case TEMP_COMMERCIAL:
1000 case TEMP_EXTCOMMERCIAL:
1001 if (is_cpu_type(MXC_CPU_MX6DL)) {
1002 puts("Commercial temperature grade DDR3 timings, 64bit bus width.\n");
1003 ddr_init(mx6dl_dcd_table, ARRAY_SIZE(mx6dl_dcd_table));
1004 } else {
1005 puts("Commercial temperature grade DDR3 timings, 32bit bus width.\n");
1006 ddr_init(mx6s_dcd_table, ARRAY_SIZE(mx6s_dcd_table));
1007 }
1008 break;
1009 case TEMP_INDUSTRIAL:
1010 case TEMP_AUTOMOTIVE:
1011 default:
1012 if (is_cpu_type(MXC_CPU_MX6DL)) {
Max Krummenacherc1ce7cb2019-02-08 18:42:17 +01001013 puts("Industrial temperature grade DDR3 timings, 64bit bus width.\n");
Max Krummenachereeb16b22016-11-30 19:43:09 +01001014 ddr_init(mx6dl_dcd_table, ARRAY_SIZE(mx6dl_dcd_table));
1015 } else {
1016 puts("Industrial temperature grade DDR3 timings, 32bit bus width.\n");
1017 ddr_init(mx6s_dcd_table, ARRAY_SIZE(mx6s_dcd_table));
1018 }
1019 break;
1020 };
1021 udelay(100);
1022}
1023
Gerard Salvatella7fba5092019-02-08 18:42:28 +01001024static iomux_v3_cfg_t const gpio_reset_pad[] = {
1025 MX6_PAD_RGMII_RD1__GPIO6_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL) |
1026 MUX_MODE_SION
1027#define GPIO_NRESET IMX_GPIO_NR(6, 27)
1028};
1029
1030#define IMX_RESET_CAUSE_POR 0x00011
1031static void nreset_out(void)
1032{
1033 int reset_cause = get_imx_reset_cause();
1034
1035 if (reset_cause != IMX_RESET_CAUSE_POR) {
1036 imx_iomux_v3_setup_multiple_pads(gpio_reset_pad,
1037 ARRAY_SIZE(gpio_reset_pad));
1038 gpio_direction_output(GPIO_NRESET, 1);
1039 udelay(100);
1040 gpio_direction_output(GPIO_NRESET, 0);
1041 }
1042}
1043
Max Krummenachereeb16b22016-11-30 19:43:09 +01001044void board_init_f(ulong dummy)
1045{
1046 /* setup AIPS and disable watchdog */
1047 arch_cpu_init();
1048
1049 ccgr_init();
1050 gpr_init();
1051
Marcel Ziswilerc882cfb2019-02-08 18:42:12 +01001052 /* iomux */
Max Krummenachereeb16b22016-11-30 19:43:09 +01001053 board_early_init_f();
1054
1055 /* setup GP timer */
1056 timer_init();
1057
1058 /* UART clocks enabled and gd valid - init serial console */
1059 preloader_console_init();
1060
1061 /* Make sure we use dte mode */
1062 setup_dtemode_uart();
1063
1064 /* DDR initialization */
1065 spl_dram_init();
1066
1067 /* Clear the BSS. */
1068 memset(__bss_start, 0, __bss_end - __bss_start);
1069
Gerard Salvatella7fba5092019-02-08 18:42:28 +01001070 /* Assert nReset_Out */
1071 nreset_out();
1072
Max Krummenachereeb16b22016-11-30 19:43:09 +01001073 /* load/boot image from boot device */
1074 board_init_r(NULL, 0);
1075}
1076
1077void reset_cpu(ulong addr)
1078{
1079}
1080
Marcel Ziswiler3e43a502019-02-08 18:42:10 +01001081#endif /* CONFIG_SPL_BUILD */
Max Krummenachereeb16b22016-11-30 19:43:09 +01001082
1083static struct mxc_serial_platdata mxc_serial_plat = {
1084 .reg = (struct mxc_uart *)UART1_BASE,
1085 .use_dte = true,
1086};
1087
1088U_BOOT_DEVICE(mxc_serial) = {
1089 .name = "serial_mxc",
1090 .platdata = &mxc_serial_plat,
1091};