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7#include <common.h>
8#include <asm/io.h>
9#include <asm/arch/imx-regs.h>
10#include <asm/arch/mx6-pins.h>
11#include <asm/arch/clock.h>
12#include <linux/errno.h>
13#include <asm/gpio.h>
14#include <asm/imx-common/iomux-v3.h>
15#include <mmc.h>
16#include <fsl_esdhc.h>
17#include <miiphy.h>
18#include <netdev.h>
19#include <usb.h>
20
21DECLARE_GLOBAL_DATA_PTR;
22
23#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
24 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
25 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
26
27#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
28 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
29 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
30
31#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
32 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
33
34int dram_init(void)
35{
36#if defined(CONFIG_MX6DL) && !defined(CONFIG_MX6DL_LPDDR2) && \
37 defined(CONFIG_DDR_32BIT)
38 gd->ram_size = ((phys_size_t)CONFIG_DDR_MB * 1024 * 1024) / 2;
39#else
40 gd->ram_size = (phys_size_t)CONFIG_DDR_MB * 1024 * 1024;
41#endif
42
43 return 0;
44}
45
46iomux_v3_cfg_t const uart4_pads[] = {
47 MX6_PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
48 MX6_PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
49};
50
51iomux_v3_cfg_t const usdhc3_pads[] = {
52 MX6_PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
53 MX6_PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
54 MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
55 MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
56 MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
57 MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
58 MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
59 MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
60 MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
61 MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
62 MX6_PAD_NANDF_CS0__GPIO6_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL),
63};
64
65iomux_v3_cfg_t const usdhc4_pads[] = {
66 MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
67 MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
68 MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
69 MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
70 MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
71 MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
72 MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
73 MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
74 MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
75 MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
76};
77
78iomux_v3_cfg_t const enet_pads[] = {
79 MX6_PAD_KEY_COL1__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
80 MX6_PAD_KEY_COL2__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
81 MX6_PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
82 MX6_PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
83 MX6_PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
84 MX6_PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
85 MX6_PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
86 MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
87 MX6_PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL),
88 MX6_PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
89 MX6_PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
90 MX6_PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
91 MX6_PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
92 MX6_PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
93 MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL),
94};
95
96
97static void setup_iomux_uart(void)
98{
99 imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads));
100}
101
102static void setup_iomux_enet(void)
103{
104 imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads));
105}
106
107#ifdef CONFIG_FSL_ESDHC
108struct fsl_esdhc_cfg usdhc_cfg[2] = {
109 {USDHC3_BASE_ADDR},
110 {USDHC4_BASE_ADDR},
111};
112
113int board_mmc_get_env_dev(int devno)
114{
115 return devno - 2;
116}
117
118int board_mmc_getcd(struct mmc *mmc)
119{
120 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
121 int ret;
122
123 if (cfg->esdhc_base == USDHC3_BASE_ADDR) {
124 gpio_direction_input(IMX_GPIO_NR(6, 11));
125 ret = !gpio_get_value(IMX_GPIO_NR(6, 11));
126 } else
127 ret = 1;
128
129 return ret;
130}
131
132int board_mmc_init(bd_t *bis)
133{
134 int ret;
135 u32 index = 0;
136
137 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
138 usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
139
140 for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
141 switch (index) {
142 case 0:
143 imx_iomux_v3_setup_multiple_pads(
144 usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
145 break;
146 case 1:
147 imx_iomux_v3_setup_multiple_pads(
148 usdhc4_pads, ARRAY_SIZE(usdhc4_pads));
149 break;
150 default:
151 printf("Warning: you configured more USDHC controllers"
152 "(%d) then supported by the board (%d)\n",
153 index + 1, CONFIG_SYS_FSL_USDHC_NUM);
154 return -EINVAL;
155 }
156
157 ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
158 if (ret)
159 return ret;
160 }
161
162 return 0;
163}
164#endif
165
166#define MII_MMD_ACCESS_CTRL_REG 0xd
167#define MII_MMD_ACCESS_ADDR_DATA_REG 0xe
168#define MII_DBG_PORT_REG 0x1d
169#define MII_DBG_PORT2_REG 0x1e
170
171int fecmxc_mii_postcall(int phy)
172{
173 unsigned short val;
174
175
176
177
178
179
180 miiphy_write("FEC", phy, MII_MMD_ACCESS_CTRL_REG, 0x7);
181 miiphy_write("FEC", phy, MII_MMD_ACCESS_ADDR_DATA_REG, 0x8016);
182 miiphy_write("FEC", phy, MII_MMD_ACCESS_CTRL_REG, 0x4007);
183 miiphy_read("FEC", phy, MII_MMD_ACCESS_ADDR_DATA_REG, &val);
184 val &= 0xffe3;
185 val |= 0x18;
186 miiphy_write("FEC", phy, MII_MMD_ACCESS_ADDR_DATA_REG, val);
187
188
189 miiphy_write("FEC", phy, MII_DBG_PORT_REG, 0x5);
190 miiphy_read("FEC", phy, MII_DBG_PORT2_REG, &val);
191 val |= 0x0100;
192 miiphy_write("FEC", phy, MII_DBG_PORT2_REG, val);
193
194 miiphy_write("FEC", phy, MII_BMCR, 0xa100);
195
196 return 0;
197}
198
199int board_eth_init(bd_t *bis)
200{
201 struct eth_device *dev;
202 int ret = cpu_eth_init(bis);
203
204 if (ret)
205 return ret;
206
207 dev = eth_get_dev_by_name("FEC");
208 if (!dev) {
209 printf("FEC MXC: Unable to get FEC device entry\n");
210 return -EINVAL;
211 }
212
213 ret = fecmxc_register_mii_postcall(dev, fecmxc_mii_postcall);
214 if (ret) {
215 printf("FEC MXC: Unable to register FEC mii postcall\n");
216 return ret;
217 }
218
219 return 0;
220}
221
222#ifdef CONFIG_USB_EHCI_MX6
223#define USB_OTHERREGS_OFFSET 0x800
224#define UCTRL_PWR_POL (1 << 9)
225
226static iomux_v3_cfg_t const usb_otg_pads[] = {
227 MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
228 MX6_PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
229};
230
231static void setup_usb(void)
232{
233 imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
234 ARRAY_SIZE(usb_otg_pads));
235
236
237
238
239
240 imx_iomux_set_gpr_register(1, 13, 1, 1);
241}
242
243int board_ehci_hcd_init(int port)
244{
245 u32 *usbnc_usb_ctrl;
246
247 if (port > 0)
248 return -EINVAL;
249
250 usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
251 port * 4);
252
253 setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
254
255 return 0;
256}
257#endif
258
259int board_early_init_f(void)
260{
261 setup_iomux_uart();
262 setup_iomux_enet();
263
264 return 0;
265}
266
267int board_init(void)
268{
269
270 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
271
272#ifdef CONFIG_USB_EHCI_MX6
273 setup_usb();
274#endif
275
276 return 0;
277}
278
279int checkboard(void)
280{
281#ifdef CONFIG_MX6DL
282 puts("Board: MX6DL-Armadillo2\n");
283#else
284 puts("Board: MX6Q-Armadillo2\n");
285#endif
286
287 return 0;
288}
289
