blob: f884bb53a091637d8e30ffbda3bfe17dbc80f0ad [file] [log] [blame]
Jason Liubc5833c2011-12-29 06:34:19 +00001/*
2 * Copyright (C) 2010-2011 Freescale Semiconductor, Inc.
3 *
4 * See file CREDITS for list of people who contributed to this
5 * project.
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License as
9 * published by the Free Software Foundation; either version 2 of
10 * the License, or (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
20 * MA 02111-1307 USA
21 */
22
23#include <common.h>
24#include <asm/io.h>
25#include <asm/arch/imx-regs.h>
26#include <asm/arch/mx6x_pins.h>
27#include <asm/arch/iomux-v3.h>
28#include <asm/errno.h>
29#include <asm/gpio.h>
30#include <mmc.h>
31#include <fsl_esdhc.h>
Troy Kisky2bf33592012-02-07 14:08:50 +000032#include <micrel.h>
Jason Liu2af81e22012-01-12 22:56:16 +000033#include <miiphy.h>
34#include <netdev.h>
Jason Liubc5833c2011-12-29 06:34:19 +000035DECLARE_GLOBAL_DATA_PTR;
36
37#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
38 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
39 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
40
41#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
42 PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW | \
43 PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
44
Jason Liu2af81e22012-01-12 22:56:16 +000045#define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
46 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
47 PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
48
Eric Nelson373a1d82012-01-31 07:52:05 +000049#define SPI_PAD_CTRL (PAD_CTL_HYS | \
50 PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_MED | \
51 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
52
Jason Liubc5833c2011-12-29 06:34:19 +000053int dram_init(void)
54{
55 gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
56
57 return 0;
58}
59
Troy Kisky8e7d7b62012-01-12 23:49:25 +000060iomux_v3_cfg_t uart1_pads[] = {
61 MX6Q_PAD_SD3_DAT6__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
62 MX6Q_PAD_SD3_DAT7__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
63};
64
Jason Liubc5833c2011-12-29 06:34:19 +000065iomux_v3_cfg_t uart2_pads[] = {
66 MX6Q_PAD_EIM_D26__UART2_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
67 MX6Q_PAD_EIM_D27__UART2_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
68};
69
70iomux_v3_cfg_t usdhc3_pads[] = {
71 MX6Q_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
72 MX6Q_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
73 MX6Q_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
74 MX6Q_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
75 MX6Q_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
76 MX6Q_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
77 MX6Q_PAD_SD3_DAT5__GPIO_7_0 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
78};
79
80iomux_v3_cfg_t usdhc4_pads[] = {
81 MX6Q_PAD_SD4_CLK__USDHC4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
82 MX6Q_PAD_SD4_CMD__USDHC4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
83 MX6Q_PAD_SD4_DAT0__USDHC4_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
84 MX6Q_PAD_SD4_DAT1__USDHC4_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
85 MX6Q_PAD_SD4_DAT2__USDHC4_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
86 MX6Q_PAD_SD4_DAT3__USDHC4_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
87 MX6Q_PAD_NANDF_D6__GPIO_2_6 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */
88};
89
Jason Liu2af81e22012-01-12 22:56:16 +000090iomux_v3_cfg_t enet_pads1[] = {
91 MX6Q_PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
92 MX6Q_PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
93 MX6Q_PAD_RGMII_TXC__ENET_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
94 MX6Q_PAD_RGMII_TD0__ENET_RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
95 MX6Q_PAD_RGMII_TD1__ENET_RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
96 MX6Q_PAD_RGMII_TD2__ENET_RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
97 MX6Q_PAD_RGMII_TD3__ENET_RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
98 MX6Q_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
99 MX6Q_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
100 /* pin 35 - 1 (PHY_AD2) on reset */
101 MX6Q_PAD_RGMII_RXC__GPIO_6_30 | MUX_PAD_CTRL(NO_PAD_CTRL),
102 /* pin 32 - 1 - (MODE0) all */
103 MX6Q_PAD_RGMII_RD0__GPIO_6_25 | MUX_PAD_CTRL(NO_PAD_CTRL),
104 /* pin 31 - 1 - (MODE1) all */
105 MX6Q_PAD_RGMII_RD1__GPIO_6_27 | MUX_PAD_CTRL(NO_PAD_CTRL),
106 /* pin 28 - 1 - (MODE2) all */
107 MX6Q_PAD_RGMII_RD2__GPIO_6_28 | MUX_PAD_CTRL(NO_PAD_CTRL),
108 /* pin 27 - 1 - (MODE3) all */
109 MX6Q_PAD_RGMII_RD3__GPIO_6_29 | MUX_PAD_CTRL(NO_PAD_CTRL),
110 /* pin 33 - 1 - (CLK125_EN) 125Mhz clockout enabled */
111 MX6Q_PAD_RGMII_RX_CTL__GPIO_6_24 | MUX_PAD_CTRL(NO_PAD_CTRL),
112 /* pin 42 PHY nRST */
113 MX6Q_PAD_EIM_D23__GPIO_3_23 | MUX_PAD_CTRL(NO_PAD_CTRL),
114};
115
116iomux_v3_cfg_t enet_pads2[] = {
117 MX6Q_PAD_RGMII_RXC__ENET_RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
118 MX6Q_PAD_RGMII_RD0__ENET_RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
119 MX6Q_PAD_RGMII_RD1__ENET_RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
120 MX6Q_PAD_RGMII_RD2__ENET_RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
121 MX6Q_PAD_RGMII_RD3__ENET_RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
122 MX6Q_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
123};
124
125static void setup_iomux_enet(void)
126{
127 gpio_direction_output(87, 0); /* GPIO 3-23 */
128 gpio_direction_output(190, 1); /* GPIO 6-30 */
129 gpio_direction_output(185, 1); /* GPIO 6-25 */
130 gpio_direction_output(187, 1); /* GPIO 6-27 */
131 gpio_direction_output(188, 1); /* GPIO 6-28*/
132 gpio_direction_output(189, 1); /* GPIO 6-29 */
133 imx_iomux_v3_setup_multiple_pads(enet_pads1, ARRAY_SIZE(enet_pads1));
134 gpio_direction_output(184, 1); /* GPIO 6-24 */
135
136 /* Need delay 10ms according to KSZ9021 spec */
137 udelay(1000 * 10);
138 gpio_direction_output(87, 1); /* GPIO 3-23 */
139
140 imx_iomux_v3_setup_multiple_pads(enet_pads2, ARRAY_SIZE(enet_pads2));
141}
142
Jason Liubc5833c2011-12-29 06:34:19 +0000143static void setup_iomux_uart(void)
144{
Troy Kisky8e7d7b62012-01-12 23:49:25 +0000145 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
Jason Liubc5833c2011-12-29 06:34:19 +0000146 imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads));
147}
148
149#ifdef CONFIG_FSL_ESDHC
150struct fsl_esdhc_cfg usdhc_cfg[2] = {
151 {USDHC3_BASE_ADDR, 1},
152 {USDHC4_BASE_ADDR, 1},
153};
154
155int board_mmc_getcd(struct mmc *mmc)
156{
157 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
158 int ret;
159
160 if (cfg->esdhc_base == USDHC3_BASE_ADDR) {
161 gpio_direction_input(192); /*GPIO7_0*/
162 ret = !gpio_get_value(192);
163 } else {
164 gpio_direction_input(38); /*GPIO2_6*/
165 ret = !gpio_get_value(38);
166 }
167
168 return ret;
169}
170
171int board_mmc_init(bd_t *bis)
172{
173 s32 status = 0;
174 u32 index = 0;
175
176 for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
177 switch (index) {
178 case 0:
179 imx_iomux_v3_setup_multiple_pads(
180 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
181 break;
182 case 1:
183 imx_iomux_v3_setup_multiple_pads(
184 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
185 break;
186 default:
187 printf("Warning: you configured more USDHC controllers"
188 "(%d) then supported by the board (%d)\n",
189 index + 1, CONFIG_SYS_FSL_USDHC_NUM);
190 return status;
191 }
192
193 status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
194 }
195
196 return status;
197}
198#endif
199
Eric Nelson373a1d82012-01-31 07:52:05 +0000200#ifdef CONFIG_MXC_SPI
201iomux_v3_cfg_t ecspi1_pads[] = {
202 /* SS1 */
203 MX6Q_PAD_EIM_D19__GPIO_3_19 | MUX_PAD_CTRL(SPI_PAD_CTRL),
204 MX6Q_PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL),
205 MX6Q_PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL),
206 MX6Q_PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL),
207};
208
209void setup_spi(void)
210{
Eric Nelsonba54b922012-01-31 07:52:09 +0000211 gpio_direction_output(CONFIG_SF_DEFAULT_CS, 1);
Eric Nelson373a1d82012-01-31 07:52:05 +0000212 imx_iomux_v3_setup_multiple_pads(ecspi1_pads,
213 ARRAY_SIZE(ecspi1_pads));
214}
215#endif
216
Troy Kisky2bf33592012-02-07 14:08:50 +0000217int board_phy_config(struct phy_device *phydev)
Jason Liu2af81e22012-01-12 22:56:16 +0000218{
Jason Liu2af81e22012-01-12 22:56:16 +0000219 /* min rx data delay */
Troy Kisky2bf33592012-02-07 14:08:50 +0000220 ksz9021_phy_extended_write(phydev,
221 MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW, 0x0);
222 /* min tx data delay */
223 ksz9021_phy_extended_write(phydev,
224 MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW, 0x0);
225 /* max rx/tx clock delay, min rx/tx control */
226 ksz9021_phy_extended_write(phydev,
227 MII_KSZ9021_EXT_RGMII_CLOCK_SKEW, 0xf0f0);
228 if (phydev->drv->config)
229 phydev->drv->config(phydev);
230
Jason Liu2af81e22012-01-12 22:56:16 +0000231 return 0;
232}
233
234int board_eth_init(bd_t *bis)
235{
Jason Liu2af81e22012-01-12 22:56:16 +0000236 int ret;
237
238 setup_iomux_enet();
239
240 ret = cpu_eth_init(bis);
Troy Kisky2bf33592012-02-07 14:08:50 +0000241 if (ret)
Jason Liu2af81e22012-01-12 22:56:16 +0000242 printf("FEC MXC: %s:failed\n", __func__);
Jason Liu2af81e22012-01-12 22:56:16 +0000243
Eric Nelson373a1d82012-01-31 07:52:05 +0000244#ifdef CONFIG_MXC_SPI
245 setup_spi();
246#endif
247
Jason Liu2af81e22012-01-12 22:56:16 +0000248 return 0;
249}
250
Jason Liubc5833c2011-12-29 06:34:19 +0000251int board_early_init_f(void)
252{
253 setup_iomux_uart();
254
255 return 0;
256}
257
258int board_init(void)
259{
260 /* address of boot parameters */
261 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
262
263 return 0;
264}
265
266int checkboard(void)
267{
268 puts("Board: MX6Q-Sabre Lite\n");
269
270 return 0;
271}