1 /*
2  * Copyright 2013 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 #include <common.h>
8 #include <asm/io.h>
9 #include <asm/arch/imx-regs.h>
10 #include <asm/arch/iomux-vf610.h>
11 #include <asm/arch/ddrmc-vf610.h>
12 #include <asm/arch/crm_regs.h>
13 #include <asm/arch/clock.h>
14 #include <mmc.h>
15 #include <fsl_esdhc.h>
16 #include <miiphy.h>
17 #include <netdev.h>
18 #include <i2c.h>
19 
20 DECLARE_GLOBAL_DATA_PTR;
21 
22 #define UART_PAD_CTRL	(PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
23 			PAD_CTL_DSE_25ohm | PAD_CTL_OBE_IBE_ENABLE)
24 
25 #define ESDHC_PAD_CTRL	(PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_HIGH | \
26 			PAD_CTL_DSE_20ohm | PAD_CTL_OBE_IBE_ENABLE)
27 
28 #define ENET_PAD_CTRL	(PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_HIGH | \
29 			PAD_CTL_DSE_50ohm | PAD_CTL_OBE_IBE_ENABLE)
30 
31 static struct ddrmc_cr_setting vf610twr_cr_settings[] = {
32 	/* levelling */
33 	{ DDRMC_CR97_WRLVL_EN, 97 },
34 	{ DDRMC_CR98_WRLVL_DL_0(0), 98 },
35 	{ DDRMC_CR99_WRLVL_DL_1(0), 99 },
36 	{ DDRMC_CR102_RDLVL_REG_EN | DDRMC_CR102_RDLVL_GT_REGEN, 102 },
37 	{ DDRMC_CR105_RDLVL_DL_0(0), 105 },
38 	{ DDRMC_CR106_RDLVL_GTDL_0(4), 106 },
39 	{ DDRMC_CR110_RDLVL_DL_1(0) | DDRMC_CR110_RDLVL_GTDL_1(4), 110 },
40 	/* AXI */
41 	{ DDRMC_CR117_AXI0_W_PRI(0) | DDRMC_CR117_AXI0_R_PRI(0), 117 },
42 	{ DDRMC_CR118_AXI1_W_PRI(1) | DDRMC_CR118_AXI1_R_PRI(1), 118 },
43 	{ DDRMC_CR120_AXI0_PRI1_RPRI(2) |
44 		   DDRMC_CR120_AXI0_PRI0_RPRI(2), 120 },
45 	{ DDRMC_CR121_AXI0_PRI3_RPRI(2) |
46 		   DDRMC_CR121_AXI0_PRI2_RPRI(2), 121 },
47 	{ DDRMC_CR122_AXI1_PRI1_RPRI(1) | DDRMC_CR122_AXI1_PRI0_RPRI(1) |
48 		   DDRMC_CR122_AXI0_PRIRLX(100), 122 },
49 	{ DDRMC_CR123_AXI1_P_ODR_EN | DDRMC_CR123_AXI1_PRI3_RPRI(1) |
50 		   DDRMC_CR123_AXI1_PRI2_RPRI(1), 123 },
51 	{ DDRMC_CR124_AXI1_PRIRLX(100), 124 },
52 	{ DDRMC_CR126_PHY_RDLAT(8), 126 },
53 	{ DDRMC_CR132_WRLAT_ADJ(5) |
54 		   DDRMC_CR132_RDLAT_ADJ(6), 132 },
55 	{ DDRMC_CR137_PHYCTL_DL(2), 137 },
56 	{ DDRMC_CR138_PHY_WRLV_MXDL(256) |
57 		   DDRMC_CR138_PHYDRAM_CK_EN(1), 138 },
58 	{ DDRMC_CR139_PHY_WRLV_RESPLAT(4) | DDRMC_CR139_PHY_WRLV_LOAD(7) |
59 		   DDRMC_CR139_PHY_WRLV_DLL(3) |
60 		   DDRMC_CR139_PHY_WRLV_EN(3), 139 },
61 	{ DDRMC_CR140_PHY_WRLV_WW(64), 140 },
62 	{ DDRMC_CR143_RDLV_GAT_MXDL(1536) |
63 		   DDRMC_CR143_RDLV_MXDL(128), 143 },
64 	{ DDRMC_CR144_PHY_RDLVL_RES(4) | DDRMC_CR144_PHY_RDLV_LOAD(7) |
65 		   DDRMC_CR144_PHY_RDLV_DLL(3) |
66 		   DDRMC_CR144_PHY_RDLV_EN(3), 144 },
67 	{ DDRMC_CR145_PHY_RDLV_RR(64), 145 },
68 	{ DDRMC_CR146_PHY_RDLVL_RESP(64), 146 },
69 	{ DDRMC_CR147_RDLV_RESP_MASK(983040), 147 },
70 	{ DDRMC_CR148_RDLV_GATE_RESP_MASK(983040), 148 },
71 	{ DDRMC_CR151_RDLV_GAT_DQ_ZERO_CNT(1) |
72 		   DDRMC_CR151_RDLVL_DQ_ZERO_CNT(1), 151 },
73 
74 	{ DDRMC_CR154_PAD_ZQ_EARLY_CMP_EN_TIMER(13) |
75 		   DDRMC_CR154_PAD_ZQ_MODE(1) |
76 		   DDRMC_CR154_DDR_SEL_PAD_CONTR(3) |
77 		   DDRMC_CR154_PAD_ZQ_HW_FOR(1), 154 },
78 	{ DDRMC_CR155_PAD_ODT_BYTE1(1) | DDRMC_CR155_PAD_ODT_BYTE0(1), 155 },
79 	{ DDRMC_CR158_TWR(6), 158 },
80 	{ DDRMC_CR161_ODT_EN(1) | DDRMC_CR161_TODTH_RD(2) |
81 		   DDRMC_CR161_TODTH_WR(2), 161 },
82 	/* end marker */
83 	{ 0, -1 }
84 };
85 
86 int dram_init(void)
87 {
88 	static const struct ddr3_jedec_timings timings = {
89 		.tinit             = 5,
90 		.trst_pwron        = 80000,
91 		.cke_inactive      = 200000,
92 		.wrlat             = 5,
93 		.caslat_lin        = 12,
94 		.trc               = 21,
95 		.trrd              = 4,
96 		.tccd              = 4,
97 		.tbst_int_interval = 0,
98 		.tfaw              = 20,
99 		.trp               = 6,
100 		.twtr              = 4,
101 		.tras_min          = 15,
102 		.tmrd              = 4,
103 		.trtp              = 4,
104 		.tras_max          = 28080,
105 		.tmod              = 12,
106 		.tckesr            = 4,
107 		.tcke              = 3,
108 		.trcd_int          = 6,
109 		.tras_lockout      = 0,
110 		.tdal              = 12,
111 		.bstlen            = 3,
112 		.tdll              = 512,
113 		.trp_ab            = 6,
114 		.tref              = 3120,
115 		.trfc              = 44,
116 		.tref_int          = 0,
117 		.tpdex             = 3,
118 		.txpdll            = 10,
119 		.txsnr             = 48,
120 		.txsr              = 468,
121 		.cksrx             = 5,
122 		.cksre             = 5,
123 		.freq_chg_en       = 0,
124 		.zqcl              = 256,
125 		.zqinit            = 512,
126 		.zqcs              = 64,
127 		.ref_per_zq        = 64,
128 		.zqcs_rotate       = 0,
129 		.aprebit           = 10,
130 		.cmd_age_cnt       = 64,
131 		.age_cnt           = 64,
132 		.q_fullness        = 7,
133 		.odt_rd_mapcs0     = 0,
134 		.odt_wr_mapcs0     = 1,
135 		.wlmrd             = 40,
136 		.wldqsen           = 25,
137 	};
138 
139 	ddrmc_setup_iomux(NULL, 0);
140 
141 	ddrmc_ctrl_init_ddr3(&timings, vf610twr_cr_settings, NULL, 1, 3);
142 	gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
143 
144 	return 0;
145 }
146 
147 static void setup_iomux_uart(void)
148 {
149 	static const iomux_v3_cfg_t uart1_pads[] = {
150 		NEW_PAD_CTRL(VF610_PAD_PTB4__UART1_TX, UART_PAD_CTRL),
151 		NEW_PAD_CTRL(VF610_PAD_PTB5__UART1_RX, UART_PAD_CTRL),
152 	};
153 
154 	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
155 }
156 
157 static void setup_iomux_enet(void)
158 {
159 	static const iomux_v3_cfg_t enet0_pads[] = {
160 		NEW_PAD_CTRL(VF610_PAD_PTA6__RMII0_CLKIN, ENET_PAD_CTRL),
161 		NEW_PAD_CTRL(VF610_PAD_PTC1__RMII0_MDIO, ENET_PAD_CTRL),
162 		NEW_PAD_CTRL(VF610_PAD_PTC0__RMII0_MDC, ENET_PAD_CTRL),
163 		NEW_PAD_CTRL(VF610_PAD_PTC2__RMII0_CRS_DV, ENET_PAD_CTRL),
164 		NEW_PAD_CTRL(VF610_PAD_PTC3__RMII0_RD1, ENET_PAD_CTRL),
165 		NEW_PAD_CTRL(VF610_PAD_PTC4__RMII0_RD0, ENET_PAD_CTRL),
166 		NEW_PAD_CTRL(VF610_PAD_PTC5__RMII0_RXER, ENET_PAD_CTRL),
167 		NEW_PAD_CTRL(VF610_PAD_PTC6__RMII0_TD1, ENET_PAD_CTRL),
168 		NEW_PAD_CTRL(VF610_PAD_PTC7__RMII0_TD0, ENET_PAD_CTRL),
169 		NEW_PAD_CTRL(VF610_PAD_PTC8__RMII0_TXEN, ENET_PAD_CTRL),
170 	};
171 
172 	imx_iomux_v3_setup_multiple_pads(enet0_pads, ARRAY_SIZE(enet0_pads));
173 }
174 
175 static void setup_iomux_i2c(void)
176 {
177 	static const iomux_v3_cfg_t i2c0_pads[] = {
178 		VF610_PAD_PTB14__I2C0_SCL,
179 		VF610_PAD_PTB15__I2C0_SDA,
180 	};
181 
182 	imx_iomux_v3_setup_multiple_pads(i2c0_pads, ARRAY_SIZE(i2c0_pads));
183 }
184 
185 #ifdef CONFIG_NAND_VF610_NFC
186 static void setup_iomux_nfc(void)
187 {
188 	static const iomux_v3_cfg_t nfc_pads[] = {
189 		VF610_PAD_PTD31__NF_IO15,
190 		VF610_PAD_PTD30__NF_IO14,
191 		VF610_PAD_PTD29__NF_IO13,
192 		VF610_PAD_PTD28__NF_IO12,
193 		VF610_PAD_PTD27__NF_IO11,
194 		VF610_PAD_PTD26__NF_IO10,
195 		VF610_PAD_PTD25__NF_IO9,
196 		VF610_PAD_PTD24__NF_IO8,
197 		VF610_PAD_PTD23__NF_IO7,
198 		VF610_PAD_PTD22__NF_IO6,
199 		VF610_PAD_PTD21__NF_IO5,
200 		VF610_PAD_PTD20__NF_IO4,
201 		VF610_PAD_PTD19__NF_IO3,
202 		VF610_PAD_PTD18__NF_IO2,
203 		VF610_PAD_PTD17__NF_IO1,
204 		VF610_PAD_PTD16__NF_IO0,
205 		VF610_PAD_PTB24__NF_WE_B,
206 		VF610_PAD_PTB25__NF_CE0_B,
207 		VF610_PAD_PTB27__NF_RE_B,
208 		VF610_PAD_PTC26__NF_RB_B,
209 		VF610_PAD_PTC27__NF_ALE,
210 		VF610_PAD_PTC28__NF_CLE
211 	};
212 
213 	imx_iomux_v3_setup_multiple_pads(nfc_pads, ARRAY_SIZE(nfc_pads));
214 }
215 #endif
216 
217 
218 static void setup_iomux_qspi(void)
219 {
220 	static const iomux_v3_cfg_t qspi0_pads[] = {
221 		VF610_PAD_PTD0__QSPI0_A_QSCK,
222 		VF610_PAD_PTD1__QSPI0_A_CS0,
223 		VF610_PAD_PTD2__QSPI0_A_DATA3,
224 		VF610_PAD_PTD3__QSPI0_A_DATA2,
225 		VF610_PAD_PTD4__QSPI0_A_DATA1,
226 		VF610_PAD_PTD5__QSPI0_A_DATA0,
227 		VF610_PAD_PTD7__QSPI0_B_QSCK,
228 		VF610_PAD_PTD8__QSPI0_B_CS0,
229 		VF610_PAD_PTD9__QSPI0_B_DATA3,
230 		VF610_PAD_PTD10__QSPI0_B_DATA2,
231 		VF610_PAD_PTD11__QSPI0_B_DATA1,
232 		VF610_PAD_PTD12__QSPI0_B_DATA0,
233 	};
234 
235 	imx_iomux_v3_setup_multiple_pads(qspi0_pads, ARRAY_SIZE(qspi0_pads));
236 }
237 
238 #ifdef CONFIG_FSL_ESDHC
239 struct fsl_esdhc_cfg esdhc_cfg[1] = {
240 	{ESDHC1_BASE_ADDR},
241 };
242 
243 int board_mmc_getcd(struct mmc *mmc)
244 {
245 	/* eSDHC1 is always present */
246 	return 1;
247 }
248 
249 int board_mmc_init(bd_t *bis)
250 {
251 	static const iomux_v3_cfg_t esdhc1_pads[] = {
252 		NEW_PAD_CTRL(VF610_PAD_PTA24__ESDHC1_CLK, ESDHC_PAD_CTRL),
253 		NEW_PAD_CTRL(VF610_PAD_PTA25__ESDHC1_CMD, ESDHC_PAD_CTRL),
254 		NEW_PAD_CTRL(VF610_PAD_PTA26__ESDHC1_DAT0, ESDHC_PAD_CTRL),
255 		NEW_PAD_CTRL(VF610_PAD_PTA27__ESDHC1_DAT1, ESDHC_PAD_CTRL),
256 		NEW_PAD_CTRL(VF610_PAD_PTA28__ESDHC1_DAT2, ESDHC_PAD_CTRL),
257 		NEW_PAD_CTRL(VF610_PAD_PTA29__ESDHC1_DAT3, ESDHC_PAD_CTRL),
258 	};
259 
260 	esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
261 
262 	imx_iomux_v3_setup_multiple_pads(
263 		esdhc1_pads, ARRAY_SIZE(esdhc1_pads));
264 
265 	return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
266 }
267 #endif
268 
269 static void clock_init(void)
270 {
271 	struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
272 	struct anadig_reg *anadig = (struct anadig_reg *)ANADIG_BASE_ADDR;
273 
274 	clrsetbits_le32(&ccm->ccgr0, CCM_REG_CTRL_MASK,
275 		CCM_CCGR0_UART1_CTRL_MASK);
276 	clrsetbits_le32(&ccm->ccgr1, CCM_REG_CTRL_MASK,
277 		CCM_CCGR1_PIT_CTRL_MASK | CCM_CCGR1_WDOGA5_CTRL_MASK);
278 	clrsetbits_le32(&ccm->ccgr2, CCM_REG_CTRL_MASK,
279 		CCM_CCGR2_IOMUXC_CTRL_MASK | CCM_CCGR2_PORTA_CTRL_MASK |
280 		CCM_CCGR2_PORTB_CTRL_MASK | CCM_CCGR2_PORTC_CTRL_MASK |
281 		CCM_CCGR2_PORTD_CTRL_MASK | CCM_CCGR2_PORTE_CTRL_MASK |
282 		CCM_CCGR2_QSPI0_CTRL_MASK);
283 	clrsetbits_le32(&ccm->ccgr3, CCM_REG_CTRL_MASK,
284 		CCM_CCGR3_ANADIG_CTRL_MASK | CCM_CCGR3_SCSC_CTRL_MASK);
285 	clrsetbits_le32(&ccm->ccgr4, CCM_REG_CTRL_MASK,
286 		CCM_CCGR4_WKUP_CTRL_MASK | CCM_CCGR4_CCM_CTRL_MASK |
287 		CCM_CCGR4_GPC_CTRL_MASK | CCM_CCGR4_I2C0_CTRL_MASK);
288 	clrsetbits_le32(&ccm->ccgr6, CCM_REG_CTRL_MASK,
289 		CCM_CCGR6_OCOTP_CTRL_MASK | CCM_CCGR6_DDRMC_CTRL_MASK);
290 	clrsetbits_le32(&ccm->ccgr7, CCM_REG_CTRL_MASK,
291 		CCM_CCGR7_SDHC1_CTRL_MASK);
292 	clrsetbits_le32(&ccm->ccgr9, CCM_REG_CTRL_MASK,
293 		CCM_CCGR9_FEC0_CTRL_MASK | CCM_CCGR9_FEC1_CTRL_MASK);
294 	clrsetbits_le32(&ccm->ccgr10, CCM_REG_CTRL_MASK,
295 		CCM_CCGR10_NFC_CTRL_MASK);
296 
297 	clrsetbits_le32(&anadig->pll2_ctrl, ANADIG_PLL2_CTRL_POWERDOWN,
298 		ANADIG_PLL2_CTRL_ENABLE | ANADIG_PLL2_CTRL_DIV_SELECT);
299 	clrsetbits_le32(&anadig->pll1_ctrl, ANADIG_PLL1_CTRL_POWERDOWN,
300 		ANADIG_PLL1_CTRL_ENABLE | ANADIG_PLL1_CTRL_DIV_SELECT);
301 
302 	clrsetbits_le32(&ccm->ccr, CCM_CCR_OSCNT_MASK,
303 		CCM_CCR_FIRC_EN | CCM_CCR_OSCNT(5));
304 	clrsetbits_le32(&ccm->ccsr, CCM_REG_CTRL_MASK,
305 		CCM_CCSR_PLL1_PFD_CLK_SEL(3) | CCM_CCSR_PLL2_PFD4_EN |
306 		CCM_CCSR_PLL2_PFD3_EN | CCM_CCSR_PLL2_PFD2_EN |
307 		CCM_CCSR_PLL2_PFD1_EN | CCM_CCSR_PLL1_PFD4_EN |
308 		CCM_CCSR_PLL1_PFD3_EN | CCM_CCSR_PLL1_PFD2_EN |
309 		CCM_CCSR_PLL1_PFD1_EN | CCM_CCSR_DDRC_CLK_SEL(1) |
310 		CCM_CCSR_FAST_CLK_SEL(1) | CCM_CCSR_SYS_CLK_SEL(4));
311 	clrsetbits_le32(&ccm->cacrr, CCM_REG_CTRL_MASK,
312 		CCM_CACRR_IPG_CLK_DIV(1) | CCM_CACRR_BUS_CLK_DIV(2) |
313 		CCM_CACRR_ARM_CLK_DIV(0));
314 	clrsetbits_le32(&ccm->cscmr1, CCM_REG_CTRL_MASK,
315 		CCM_CSCMR1_ESDHC1_CLK_SEL(3) | CCM_CSCMR1_QSPI0_CLK_SEL(3) |
316 		CCM_CSCMR1_NFC_CLK_SEL(0));
317 	clrsetbits_le32(&ccm->cscdr1, CCM_REG_CTRL_MASK,
318 		CCM_CSCDR1_RMII_CLK_EN);
319 	clrsetbits_le32(&ccm->cscdr2, CCM_REG_CTRL_MASK,
320 		CCM_CSCDR2_ESDHC1_EN | CCM_CSCDR2_ESDHC1_CLK_DIV(0) |
321 		CCM_CSCDR2_NFC_EN);
322 	clrsetbits_le32(&ccm->cscdr3, CCM_REG_CTRL_MASK,
323 		CCM_CSCDR3_QSPI0_EN | CCM_CSCDR3_QSPI0_DIV(1) |
324 		CCM_CSCDR3_QSPI0_X2_DIV(1) | CCM_CSCDR3_QSPI0_X4_DIV(3) |
325 		CCM_CSCDR3_NFC_PRE_DIV(5));
326 	clrsetbits_le32(&ccm->cscmr2, CCM_REG_CTRL_MASK,
327 		CCM_CSCMR2_RMII_CLK_SEL(0));
328 }
329 
330 static void mscm_init(void)
331 {
332 	struct mscm_ir *mscmir = (struct mscm_ir *)MSCM_IR_BASE_ADDR;
333 	int i;
334 
335 	for (i = 0; i < MSCM_IRSPRC_NUM; i++)
336 		writew(MSCM_IRSPRC_CP0_EN, &mscmir->irsprc[i]);
337 }
338 
339 int board_phy_config(struct phy_device *phydev)
340 {
341 	if (phydev->drv->config)
342 		phydev->drv->config(phydev);
343 
344 	return 0;
345 }
346 
347 int board_early_init_f(void)
348 {
349 	clock_init();
350 	mscm_init();
351 
352 	setup_iomux_uart();
353 	setup_iomux_enet();
354 	setup_iomux_i2c();
355 	setup_iomux_qspi();
356 #ifdef CONFIG_NAND_VF610_NFC
357 	setup_iomux_nfc();
358 #endif
359 
360 	return 0;
361 }
362 
363 int board_init(void)
364 {
365 	struct scsc_reg *scsc = (struct scsc_reg *)SCSC_BASE_ADDR;
366 
367 	/* address of boot parameters */
368 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
369 
370 	/*
371 	 * Enable external 32K Oscillator
372 	 *
373 	 * The internal clock experiences significant drift
374 	 * so we must use the external oscillator in order
375 	 * to maintain correct time in the hwclock
376 	 */
377 	setbits_le32(&scsc->sosc_ctr, SCSC_SOSC_CTR_SOSC_EN);
378 
379 	return 0;
380 }
381 
382 int checkboard(void)
383 {
384 	puts("Board: vf610twr\n");
385 
386 	return 0;
387 }
388