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Ye Licf94a342016-02-01 10:41:32 +08001/*
2 * Copyright (C) 2014 Freescale Semiconductor, Inc.
3 *
4 * Author: Ye Li <ye.li@nxp.com>
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 */
8
9#include <asm/arch/clock.h>
10#include <asm/arch/crm_regs.h>
11#include <asm/arch/iomux.h>
12#include <asm/arch/imx-regs.h>
13#include <asm/arch/mx6-pins.h>
14#include <asm/arch/sys_proto.h>
15#include <asm/gpio.h>
Stefano Babic552a8482017-06-29 10:16:06 +020016#include <asm/mach-imx/iomux-v3.h>
17#include <asm/mach-imx/boot_mode.h>
Ye Licf94a342016-02-01 10:41:32 +080018#include <asm/io.h>
Ye Licf94a342016-02-01 10:41:32 +080019#include <linux/sizes.h>
20#include <common.h>
21#include <fsl_esdhc.h>
Ye Licf94a342016-02-01 10:41:32 +080022#include <miiphy.h>
23#include <netdev.h>
24#include <power/pmic.h>
25#include <power/pfuze100_pmic.h>
26#include "../common/pfuze.h"
27#include <usb.h>
Mateusz Kulikowskie162c6b2016-03-31 23:12:23 +020028#include <usb/ehci-ci.h>
Ye Licf94a342016-02-01 10:41:32 +080029#include <pca953x.h>
30
31DECLARE_GLOBAL_DATA_PTR;
32
33#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
34 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
35 PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
36
Ye Licf94a342016-02-01 10:41:32 +080037#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
38 PAD_CTL_SPEED_HIGH | \
39 PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST)
40
41#define ENET_CLK_PAD_CTRL (PAD_CTL_SPEED_MED | \
42 PAD_CTL_DSE_120ohm | PAD_CTL_SRE_FAST)
43
44#define ENET_RX_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
45 PAD_CTL_SPEED_HIGH | PAD_CTL_SRE_FAST)
46
Ye Licf94a342016-02-01 10:41:32 +080047#define GPMI_PAD_CTRL0 (PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP)
48#define GPMI_PAD_CTRL1 (PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \
49 PAD_CTL_SRE_FAST)
50#define GPMI_PAD_CTRL2 (GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1)
51
Ye Licf94a342016-02-01 10:41:32 +080052int dram_init(void)
53{
Vanessa Maegima432a8a52016-06-09 15:28:32 -030054 gd->ram_size = imx_ddr_size();
Ye Licf94a342016-02-01 10:41:32 +080055
56 return 0;
57}
58
59static iomux_v3_cfg_t const uart1_pads[] = {
60 MX6_PAD_GPIO1_IO04__UART1_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
61 MX6_PAD_GPIO1_IO05__UART1_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
62};
63
Ye Licf94a342016-02-01 10:41:32 +080064static iomux_v3_cfg_t const fec2_pads[] = {
65 MX6_PAD_ENET1_MDC__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
66 MX6_PAD_ENET1_MDIO__ENET2_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
67 MX6_PAD_RGMII2_RX_CTL__ENET2_RX_EN | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
68 MX6_PAD_RGMII2_RD0__ENET2_RX_DATA_0 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
69 MX6_PAD_RGMII2_RD1__ENET2_RX_DATA_1 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
70 MX6_PAD_RGMII2_RD2__ENET2_RX_DATA_2 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
71 MX6_PAD_RGMII2_RD3__ENET2_RX_DATA_3 | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
72 MX6_PAD_RGMII2_RXC__ENET2_RX_CLK | MUX_PAD_CTRL(ENET_RX_PAD_CTRL),
73 MX6_PAD_RGMII2_TX_CTL__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
74 MX6_PAD_RGMII2_TD0__ENET2_TX_DATA_0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
75 MX6_PAD_RGMII2_TD1__ENET2_TX_DATA_1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
76 MX6_PAD_RGMII2_TD2__ENET2_TX_DATA_2 | MUX_PAD_CTRL(ENET_PAD_CTRL),
77 MX6_PAD_RGMII2_TD3__ENET2_TX_DATA_3 | MUX_PAD_CTRL(ENET_PAD_CTRL),
78 MX6_PAD_RGMII2_TXC__ENET2_RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL),
79};
80
81static void setup_iomux_uart(void)
82{
83 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
84}
85
86static int setup_fec(void)
87{
88 struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
89
90 /* Use 125MHz anatop loopback REF_CLK1 for ENET2 */
91 clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK, 0);
92
93 return enable_fec_anatop_clock(1, ENET_125MHZ);
94}
95
96int board_eth_init(bd_t *bis)
97{
98 int ret;
99
100 imx_iomux_v3_setup_multiple_pads(fec2_pads, ARRAY_SIZE(fec2_pads));
101 setup_fec();
102
103 ret = fecmxc_initialize_multi(bis, 1,
104 CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
105 if (ret)
106 printf("FEC%d MXC: %s:failed\n", 1, __func__);
107
108 return ret;
109}
110
111int board_phy_config(struct phy_device *phydev)
112{
113 /*
114 * Enable 1.8V(SEL_1P5_1P8_POS_REG) on
115 * Phy control debug reg 0
116 */
117 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x1f);
118 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x8);
119
120 /* rgmii tx clock delay enable */
121 phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x05);
122 phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x100);
123
124 if (phydev->drv->config)
125 phydev->drv->config(phydev);
126
127 return 0;
128}
129
Ye Licf94a342016-02-01 10:41:32 +0800130int power_init_board(void)
131{
Peng Fane3890332016-11-28 17:49:50 +0800132 struct udevice *dev;
133 int ret;
134 u32 dev_id, rev_id, i;
135 u32 switch_num = 6;
136 u32 offset = PFUZE100_SW1CMODE;
Ye Licf94a342016-02-01 10:41:32 +0800137
Peng Fane3890332016-11-28 17:49:50 +0800138 ret = pmic_get("pfuze100", &dev);
139 if (ret == -ENODEV)
140 return 0;
141
142 if (ret != 0)
143 return ret;
144
145 dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID);
146 rev_id = pmic_reg_read(dev, PFUZE100_REVID);
147 printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
148
149
150 /* Init mode to APS_PFM */
151 pmic_reg_write(dev, PFUZE100_SW1ABMODE, APS_PFM);
152
153 for (i = 0; i < switch_num - 1; i++)
154 pmic_reg_write(dev, offset + i * SWITCH_SIZE, APS_PFM);
155
156 /* set SW1AB staby volatage 0.975V */
157 pmic_clrsetbits(dev, PFUZE100_SW1ABSTBY, 0x3f, 0x1b);
158
159 /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
160 pmic_clrsetbits(dev, PFUZE100_SW1ABCONF, 0xc0, 0x40);
161
162 /* set SW1C staby volatage 1.10V */
163 pmic_clrsetbits(dev, PFUZE100_SW1CSTBY, 0x3f, 0x20);
164
165 /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
166 pmic_clrsetbits(dev, PFUZE100_SW1CCONF, 0xc0, 0x40);
Ye Licf94a342016-02-01 10:41:32 +0800167
168 return 0;
169}
170
171#ifdef CONFIG_USB_EHCI_MX6
172#define USB_OTHERREGS_OFFSET 0x800
173#define UCTRL_PWR_POL (1 << 9)
174
175static iomux_v3_cfg_t const usb_otg_pads[] = {
176 /* OGT1 */
177 MX6_PAD_GPIO1_IO09__USB_OTG1_PWR | MUX_PAD_CTRL(NO_PAD_CTRL),
178 MX6_PAD_GPIO1_IO10__ANATOP_OTG1_ID | MUX_PAD_CTRL(NO_PAD_CTRL),
179 /* OTG2 */
180 MX6_PAD_GPIO1_IO12__USB_OTG2_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)
181};
182
183static void setup_usb(void)
184{
185 imx_iomux_v3_setup_multiple_pads(usb_otg_pads,
186 ARRAY_SIZE(usb_otg_pads));
187}
188
189int board_usb_phy_mode(int port)
190{
191 if (port == 1)
192 return USB_INIT_HOST;
193 else
194 return usb_phy_mode(port);
195}
196
197int board_ehci_hcd_init(int port)
198{
199 u32 *usbnc_usb_ctrl;
200
201 if (port > 1)
202 return -EINVAL;
203
204 usbnc_usb_ctrl = (u32 *)(USB_BASE_ADDR + USB_OTHERREGS_OFFSET +
205 port * 4);
206
207 /* Set Power polarity */
208 setbits_le32(usbnc_usb_ctrl, UCTRL_PWR_POL);
209
210 return 0;
211}
212#endif
213
214int board_early_init_f(void)
215{
216 setup_iomux_uart();
217
218 return 0;
219}
220
Ye Licf94a342016-02-01 10:41:32 +0800221#ifdef CONFIG_FSL_QSPI
222
223#define QSPI_PAD_CTRL1 \
224 (PAD_CTL_SRE_FAST | PAD_CTL_SPEED_HIGH | \
225 PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_47K_UP | PAD_CTL_DSE_40ohm)
226
227static iomux_v3_cfg_t const quadspi_pads[] = {
228 MX6_PAD_QSPI1A_SS0_B__QSPI1_A_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
229 MX6_PAD_QSPI1A_SCLK__QSPI1_A_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
230 MX6_PAD_QSPI1A_DATA0__QSPI1_A_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
231 MX6_PAD_QSPI1A_DATA1__QSPI1_A_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
232 MX6_PAD_QSPI1A_DATA2__QSPI1_A_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
233 MX6_PAD_QSPI1A_DATA3__QSPI1_A_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
234 MX6_PAD_QSPI1B_SS0_B__QSPI1_B_SS0_B | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
235 MX6_PAD_QSPI1B_SCLK__QSPI1_B_SCLK | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
236 MX6_PAD_QSPI1B_DATA0__QSPI1_B_DATA_0 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
237 MX6_PAD_QSPI1B_DATA1__QSPI1_B_DATA_1 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
238 MX6_PAD_QSPI1B_DATA2__QSPI1_B_DATA_2 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
239 MX6_PAD_QSPI1B_DATA3__QSPI1_B_DATA_3 | MUX_PAD_CTRL(QSPI_PAD_CTRL1),
240};
241
242int board_qspi_init(void)
243{
244 /* Set the iomux */
245 imx_iomux_v3_setup_multiple_pads(quadspi_pads,
246 ARRAY_SIZE(quadspi_pads));
247
248 /* Set the clock */
249 enable_qspi_clk(0);
250
251 return 0;
252}
253#endif
254
255#ifdef CONFIG_NAND_MXS
256iomux_v3_cfg_t gpmi_pads[] = {
257 MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
258 MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
259 MX6_PAD_NAND_WP_B__RAWNAND_WP_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
260 MX6_PAD_NAND_READY_B__RAWNAND_READY_B | MUX_PAD_CTRL(GPMI_PAD_CTRL0),
261 MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
262 MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
263 MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
264 MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
265 MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
266 MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
267 MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
268 MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
269 MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
270 MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
271 MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(GPMI_PAD_CTRL2),
272};
273
274static void setup_gpmi_nand(void)
275{
276 struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
277
278 /* config gpmi nand iomux */
279 imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
280
281 setup_gpmi_io_clk((MXC_CCM_CS2CDR_QSPI2_CLK_PODF(0) |
282 MXC_CCM_CS2CDR_QSPI2_CLK_PRED(3) |
283 MXC_CCM_CS2CDR_QSPI2_CLK_SEL(3)));
284
285 /* enable apbh clock gating */
286 setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
287}
288#endif
289
290int board_init(void)
291{
Peng Fane3890332016-11-28 17:49:50 +0800292 struct gpio_desc desc;
293 int ret;
294
Ye Licf94a342016-02-01 10:41:32 +0800295 /* Address of boot parameters */
296 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
297
Peng Fane3890332016-11-28 17:49:50 +0800298 ret = dm_gpio_lookup_name("gpio@30_4", &desc);
299 if (ret)
300 return ret;
Ye Licf94a342016-02-01 10:41:32 +0800301
Peng Fane3890332016-11-28 17:49:50 +0800302 ret = dm_gpio_request(&desc, "cpu_per_rst_b");
303 if (ret)
304 return ret;
Ye Licf94a342016-02-01 10:41:32 +0800305 /* Reset CPU_PER_RST_B signal for enet phy and PCIE */
Peng Fane3890332016-11-28 17:49:50 +0800306 dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
Ye Licf94a342016-02-01 10:41:32 +0800307 udelay(500);
Peng Fane3890332016-11-28 17:49:50 +0800308 dm_gpio_set_value(&desc, 1);
Ye Licf94a342016-02-01 10:41:32 +0800309
Peng Fane3890332016-11-28 17:49:50 +0800310 ret = dm_gpio_lookup_name("gpio@32_2", &desc);
311 if (ret)
312 return ret;
313
314 ret = dm_gpio_request(&desc, "steer_enet");
315 if (ret)
316 return ret;
317
318 dm_gpio_set_dir_flags(&desc, GPIOD_IS_OUT);
319 udelay(500);
Ye Licf94a342016-02-01 10:41:32 +0800320 /* Set steering signal to L for selecting B0 */
Peng Fane3890332016-11-28 17:49:50 +0800321 dm_gpio_set_value(&desc, 0);
Ye Licf94a342016-02-01 10:41:32 +0800322
323#ifdef CONFIG_USB_EHCI_MX6
324 setup_usb();
325#endif
326
327#ifdef CONFIG_FSL_QSPI
328 board_qspi_init();
329#endif
330
331#ifdef CONFIG_NAND_MXS
332 setup_gpmi_nand();
333#endif
334
335 return 0;
336}
337
338#ifdef CONFIG_CMD_BMODE
339static const struct boot_mode board_boot_modes[] = {
340 {"sda", MAKE_CFGVAL(0x42, 0x30, 0x00, 0x00)},
341 {"sdb", MAKE_CFGVAL(0x40, 0x38, 0x00, 0x00)},
342 {"qspi1", MAKE_CFGVAL(0x10, 0x00, 0x00, 0x00)},
343 {"nand", MAKE_CFGVAL(0x82, 0x00, 0x00, 0x00)},
344 {NULL, 0},
345};
346#endif
347
348int board_late_init(void)
349{
350#ifdef CONFIG_CMD_BMODE
351 add_board_boot_modes(board_boot_modes);
352#endif
353
354 return 0;
355}
356
357int checkboard(void)
358{
359 puts("Board: MX6SX SABRE AUTO\n");
360
361 return 0;
362}