blob: 453f281418d08040f7782d76396c6ee11afa264d [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Fabio Estevam57ca4322013-04-10 09:32:58 +00002/*
3 * Copyright (C) 2013 Freescale Semiconductor, Inc.
4 *
5 * Author: Fabio Estevam <fabio.estevam@freescale.com>
Fabio Estevam57ca4322013-04-10 09:32:58 +00006 */
7
8#include <asm/arch/clock.h>
9#include <asm/arch/iomux.h>
Peng Fane7d3b212015-08-17 16:11:05 +080010#include <asm/arch/crm_regs.h>
Fabio Estevam57ca4322013-04-10 09:32:58 +000011#include <asm/arch/imx-regs.h>
Peng Fane7d3b212015-08-17 16:11:05 +080012#include <asm/arch/mx6-ddr.h>
Fabio Estevam57ca4322013-04-10 09:32:58 +000013#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/mxc_i2c.h>
Fabio Estevam57ca4322013-04-10 09:32:58 +000018#include <asm/io.h>
Alexey Brodkin1ace4022014-02-26 17:47:58 +040019#include <linux/sizes.h>
Fabio Estevam57ca4322013-04-10 09:32:58 +000020#include <common.h>
Yangbo Lue37ac712019-06-21 11:42:28 +080021#include <fsl_esdhc_imx.h>
Peng Fanaf38bf62015-02-12 09:36:29 +080022#include <i2c.h>
Fabio Estevam57ca4322013-04-10 09:32:58 +000023#include <mmc.h>
Fabio Estevam31f07962013-09-13 00:36:28 -030024#include <netdev.h>
Peng Fanaf38bf62015-02-12 09:36:29 +080025#include <power/pmic.h>
26#include <power/pfuze100_pmic.h>
27#include "../common/pfuze.h"
Fabio Estevam57ca4322013-04-10 09:32:58 +000028
29DECLARE_GLOBAL_DATA_PTR;
30
Benoît Thébaudeau7e2173c2013-04-26 01:34:47 +000031#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
32 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
33 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
Fabio Estevam57ca4322013-04-10 09:32:58 +000034
Benoît Thébaudeau7e2173c2013-04-26 01:34:47 +000035#define USDHC_PAD_CTRL (PAD_CTL_PUS_22K_UP | \
36 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
37 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
Fabio Estevam57ca4322013-04-10 09:32:58 +000038
Fabio Estevam31f07962013-09-13 00:36:28 -030039#define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
40 PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
41 PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
42
Fabio Estevam16edd342015-02-28 14:25:46 -030043#define OTGID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
44 PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW |\
45 PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \
46 PAD_CTL_SRE_FAST)
47
Fabio Estevamae765f32016-03-11 10:50:22 -030048#define ETH_PHY_POWER IMX_GPIO_NR(4, 21)
Fabio Estevam31f07962013-09-13 00:36:28 -030049
Fabio Estevam57ca4322013-04-10 09:32:58 +000050int dram_init(void)
51{
Vanessa Maegima8259e9c2016-06-09 15:28:31 -030052 gd->ram_size = imx_ddr_size();
Fabio Estevam57ca4322013-04-10 09:32:58 +000053
54 return 0;
55}
56
57static iomux_v3_cfg_t const uart1_pads[] = {
58 MX6_PAD_UART1_TXD__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
59 MX6_PAD_UART1_RXD__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
60};
61
Tom Rini61ebeb92017-05-08 22:14:23 -040062#ifdef CONFIG_SPL_BUILD
Ye.Li36255d62014-10-30 18:30:54 +080063static iomux_v3_cfg_t const usdhc1_pads[] = {
64 /* 8 bit SD */
65 MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
66 MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
67 MX6_PAD_SD1_DAT0__USDHC1_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
68 MX6_PAD_SD1_DAT1__USDHC1_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
69 MX6_PAD_SD1_DAT2__USDHC1_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
70 MX6_PAD_SD1_DAT3__USDHC1_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
71 MX6_PAD_SD1_DAT4__USDHC1_DAT4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
72 MX6_PAD_SD1_DAT5__USDHC1_DAT5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
73 MX6_PAD_SD1_DAT6__USDHC1_DAT6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
74 MX6_PAD_SD1_DAT7__USDHC1_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
75
76 /*CD pin*/
77 MX6_PAD_KEY_ROW7__GPIO_4_7 | MUX_PAD_CTRL(NO_PAD_CTRL),
78};
79
Fabio Estevam57ca4322013-04-10 09:32:58 +000080static iomux_v3_cfg_t const usdhc2_pads[] = {
81 MX6_PAD_SD2_CLK__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
82 MX6_PAD_SD2_CMD__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
83 MX6_PAD_SD2_DAT0__USDHC2_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
84 MX6_PAD_SD2_DAT1__USDHC2_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
85 MX6_PAD_SD2_DAT2__USDHC2_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
86 MX6_PAD_SD2_DAT3__USDHC2_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
Ye.Li36255d62014-10-30 18:30:54 +080087
88 /*CD pin*/
89 MX6_PAD_SD2_DAT7__GPIO_5_0 | MUX_PAD_CTRL(NO_PAD_CTRL),
90};
91
92static iomux_v3_cfg_t const usdhc3_pads[] = {
93 MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
94 MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
95 MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
96 MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
97 MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
98 MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
99
100 /*CD pin*/
101 MX6_PAD_REF_CLK_32K__GPIO_3_22 | MUX_PAD_CTRL(NO_PAD_CTRL),
Fabio Estevam57ca4322013-04-10 09:32:58 +0000102};
Tom Rini61ebeb92017-05-08 22:14:23 -0400103#endif
Fabio Estevam57ca4322013-04-10 09:32:58 +0000104
Fabio Estevam31f07962013-09-13 00:36:28 -0300105static iomux_v3_cfg_t const fec_pads[] = {
106 MX6_PAD_FEC_MDC__FEC_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
107 MX6_PAD_FEC_MDIO__FEC_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL),
108 MX6_PAD_FEC_CRS_DV__FEC_RX_DV | MUX_PAD_CTRL(ENET_PAD_CTRL),
109 MX6_PAD_FEC_RXD0__FEC_RX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
110 MX6_PAD_FEC_RXD1__FEC_RX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
111 MX6_PAD_FEC_TX_EN__FEC_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
112 MX6_PAD_FEC_TXD0__FEC_TX_DATA0 | MUX_PAD_CTRL(ENET_PAD_CTRL),
113 MX6_PAD_FEC_TXD1__FEC_TX_DATA1 | MUX_PAD_CTRL(ENET_PAD_CTRL),
114 MX6_PAD_FEC_REF_CLK__FEC_REF_OUT | MUX_PAD_CTRL(ENET_PAD_CTRL),
115 MX6_PAD_FEC_RX_ER__GPIO_4_19 | MUX_PAD_CTRL(NO_PAD_CTRL),
116 MX6_PAD_FEC_TX_CLK__GPIO_4_21 | MUX_PAD_CTRL(NO_PAD_CTRL),
117};
118
Fabio Estevam57ca4322013-04-10 09:32:58 +0000119static void setup_iomux_uart(void)
120{
121 imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
122}
123
Fabio Estevam31f07962013-09-13 00:36:28 -0300124static void setup_iomux_fec(void)
125{
126 imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
127
Fabio Estevamae765f32016-03-11 10:50:22 -0300128 /* Power up LAN8720 PHY */
Peng Fan001cdbb2017-03-04 10:45:44 +0800129 gpio_request(ETH_PHY_POWER, "eth_pwr");
Fabio Estevamae765f32016-03-11 10:50:22 -0300130 gpio_direction_output(ETH_PHY_POWER , 1);
131 udelay(15000);
Fabio Estevam31f07962013-09-13 00:36:28 -0300132}
133
Peng Fanfb0d0422016-01-28 16:51:27 +0800134int board_mmc_get_env_dev(int devno)
135{
136 return devno;
137}
138
Peng Fan001cdbb2017-03-04 10:45:44 +0800139#ifdef CONFIG_DM_PMIC_PFUZE100
Peng Fanaf38bf62015-02-12 09:36:29 +0800140int power_init_board(void)
141{
Peng Fan001cdbb2017-03-04 10:45:44 +0800142 struct udevice *dev;
143 int ret;
144 u32 dev_id, rev_id, i;
145 u32 switch_num = 6;
146 u32 offset = PFUZE100_SW1CMODE;
Peng Fanaf38bf62015-02-12 09:36:29 +0800147
Fabio Estevam08b72862019-12-20 14:59:28 -0300148 ret = pmic_get("pfuze100@08", &dev);
Peng Fan001cdbb2017-03-04 10:45:44 +0800149 if (ret == -ENODEV)
150 return 0;
Peng Fanaf38bf62015-02-12 09:36:29 +0800151
Peng Fan001cdbb2017-03-04 10:45:44 +0800152 if (ret != 0)
153 return ret;
154
155 dev_id = pmic_reg_read(dev, PFUZE100_DEVICEID);
156 rev_id = pmic_reg_read(dev, PFUZE100_REVID);
157 printf("PMIC: PFUZE100! DEV_ID=0x%x REV_ID=0x%x\n", dev_id, rev_id);
158
159 /* set SW1AB staby volatage 0.975V */
160 pmic_clrsetbits(dev, PFUZE100_SW1ABSTBY, 0x3f, 0x1b);
161
162 /* set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */
163 pmic_clrsetbits(dev, PFUZE100_SW1ABCONF, 0xc0, 0x40);
164
165 /* set SW1C staby volatage 0.975V */
166 pmic_clrsetbits(dev, PFUZE100_SW1CSTBY, 0x3f, 0x1b);
167
168 /* set SW1C/VDDSOC step ramp up time to from 16us to 4us/25mV */
169 pmic_clrsetbits(dev, PFUZE100_SW1CCONF, 0xc0, 0x40);
170
171 /* Init mode to APS_PFM */
172 pmic_reg_write(dev, PFUZE100_SW1ABMODE, APS_PFM);
173
174 for (i = 0; i < switch_num - 1; i++)
175 pmic_reg_write(dev, offset + i * SWITCH_SIZE, APS_PFM);
176
177 return 0;
Peng Fanaf38bf62015-02-12 09:36:29 +0800178}
179#endif
180
Fabio Estevam31f07962013-09-13 00:36:28 -0300181#ifdef CONFIG_FEC_MXC
182int board_eth_init(bd_t *bis)
183{
Fabio Estevam31f07962013-09-13 00:36:28 -0300184 setup_iomux_fec();
185
Fabio Estevam12c20c02014-01-04 17:36:33 -0200186 return cpu_eth_init(bis);
Fabio Estevam31f07962013-09-13 00:36:28 -0300187}
188
189static int setup_fec(void)
190{
Fabio Estevam0a11d6f2014-07-09 17:59:54 -0300191 struct iomuxc *iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
Fabio Estevam31f07962013-09-13 00:36:28 -0300192
193 /* clear gpr1[14], gpr1[18:17] to select anatop clock */
194 clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC_MASK, 0);
195
Peng Fan6d97dc12015-08-12 17:46:50 +0800196 return enable_fec_anatop_clock(0, ENET_50MHZ);
Fabio Estevam31f07962013-09-13 00:36:28 -0300197}
198#endif
199
Fabio Estevam57ca4322013-04-10 09:32:58 +0000200int board_early_init_f(void)
201{
202 setup_iomux_uart();
Peng Fan001cdbb2017-03-04 10:45:44 +0800203
Fabio Estevam57ca4322013-04-10 09:32:58 +0000204 return 0;
205}
206
207int board_init(void)
208{
209 /* address of boot parameters */
210 gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
211
Fabio Estevam31f07962013-09-13 00:36:28 -0300212#ifdef CONFIG_FEC_MXC
213 setup_fec();
214#endif
Peng Fan3b9c1a52014-11-10 08:50:41 +0800215
Fabio Estevam57ca4322013-04-10 09:32:58 +0000216 return 0;
217}
218
Fabio Estevam57ca4322013-04-10 09:32:58 +0000219int checkboard(void)
220{
221 puts("Board: MX6SLEVK\n");
222
223 return 0;
224}
Peng Fane7d3b212015-08-17 16:11:05 +0800225
226#ifdef CONFIG_SPL_BUILD
227#include <spl.h>
Masahiro Yamadab08c8c42018-03-05 01:20:11 +0900228#include <linux/libfdt.h>
Peng Fane7d3b212015-08-17 16:11:05 +0800229
Peng Fan001cdbb2017-03-04 10:45:44 +0800230#define USDHC1_CD_GPIO IMX_GPIO_NR(4, 7)
231#define USDHC2_CD_GPIO IMX_GPIO_NR(5, 0)
232#define USDHC3_CD_GPIO IMX_GPIO_NR(3, 22)
233
234static struct fsl_esdhc_cfg usdhc_cfg[3] = {
235 {USDHC1_BASE_ADDR},
236 {USDHC2_BASE_ADDR, 0, 4},
237 {USDHC3_BASE_ADDR, 0, 4},
238};
239
240int board_mmc_getcd(struct mmc *mmc)
241{
242 struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
243 int ret = 0;
244
245 switch (cfg->esdhc_base) {
246 case USDHC1_BASE_ADDR:
Fabio Estevam40b0dae2017-10-10 13:43:42 -0300247 gpio_request(USDHC1_CD_GPIO, "cd1_gpio");
Peng Fan001cdbb2017-03-04 10:45:44 +0800248 ret = !gpio_get_value(USDHC1_CD_GPIO);
249 break;
250 case USDHC2_BASE_ADDR:
Fabio Estevam40b0dae2017-10-10 13:43:42 -0300251 gpio_request(USDHC2_CD_GPIO, "cd2_gpio");
Peng Fan001cdbb2017-03-04 10:45:44 +0800252 ret = !gpio_get_value(USDHC2_CD_GPIO);
253 break;
254 case USDHC3_BASE_ADDR:
Fabio Estevam40b0dae2017-10-10 13:43:42 -0300255 gpio_request(USDHC3_CD_GPIO, "cd3_gpio");
Peng Fan001cdbb2017-03-04 10:45:44 +0800256 ret = !gpio_get_value(USDHC3_CD_GPIO);
257 break;
258 }
259
260 return ret;
261}
262
263int board_mmc_init(bd_t *bis)
264{
265 struct src *src_regs = (struct src *)SRC_BASE_ADDR;
266 u32 val;
267 u32 port;
268
269 val = readl(&src_regs->sbmr1);
270
271 /* Boot from USDHC */
272 port = (val >> 11) & 0x3;
273 switch (port) {
274 case 0:
275 imx_iomux_v3_setup_multiple_pads(usdhc1_pads,
276 ARRAY_SIZE(usdhc1_pads));
277 gpio_direction_input(USDHC1_CD_GPIO);
278 usdhc_cfg[0].esdhc_base = USDHC1_BASE_ADDR;
279 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
280 break;
281 case 1:
282 imx_iomux_v3_setup_multiple_pads(usdhc2_pads,
283 ARRAY_SIZE(usdhc2_pads));
284 gpio_direction_input(USDHC2_CD_GPIO);
285 usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR;
286 usdhc_cfg[0].max_bus_width = 4;
287 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
288 break;
289 case 2:
290 imx_iomux_v3_setup_multiple_pads(usdhc3_pads,
291 ARRAY_SIZE(usdhc3_pads));
292 gpio_direction_input(USDHC3_CD_GPIO);
293 usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
294 usdhc_cfg[0].max_bus_width = 4;
295 usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
296 break;
297 }
298
299 gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
300 return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
301}
302
Peng Fane7d3b212015-08-17 16:11:05 +0800303const struct mx6sl_iomux_ddr_regs mx6_ddr_ioregs = {
304 .dram_sdqs0 = 0x00003030,
305 .dram_sdqs1 = 0x00003030,
306 .dram_sdqs2 = 0x00003030,
307 .dram_sdqs3 = 0x00003030,
308 .dram_dqm0 = 0x00000030,
309 .dram_dqm1 = 0x00000030,
310 .dram_dqm2 = 0x00000030,
311 .dram_dqm3 = 0x00000030,
312 .dram_cas = 0x00000030,
313 .dram_ras = 0x00000030,
314 .dram_sdclk_0 = 0x00000028,
315 .dram_reset = 0x00000030,
316 .dram_sdba2 = 0x00000000,
317 .dram_odt0 = 0x00000008,
318 .dram_odt1 = 0x00000008,
319};
320
321const struct mx6sl_iomux_grp_regs mx6_grp_ioregs = {
322 .grp_b0ds = 0x00000030,
323 .grp_b1ds = 0x00000030,
324 .grp_b2ds = 0x00000030,
325 .grp_b3ds = 0x00000030,
326 .grp_addds = 0x00000030,
327 .grp_ctlds = 0x00000030,
328 .grp_ddrmode_ctl = 0x00020000,
329 .grp_ddrpke = 0x00000000,
330 .grp_ddrmode = 0x00020000,
331 .grp_ddr_type = 0x00080000,
332};
333
334const struct mx6_mmdc_calibration mx6_mmcd_calib = {
335 .p0_mpdgctrl0 = 0x20000000,
336 .p0_mpdgctrl1 = 0x00000000,
337 .p0_mprddlctl = 0x4241444a,
338 .p0_mpwrdlctl = 0x3030312b,
339 .mpzqlp2ctl = 0x1b4700c7,
340};
341
342static struct mx6_lpddr2_cfg mem_ddr = {
343 .mem_speed = 800,
344 .density = 4,
345 .width = 32,
346 .banks = 8,
347 .rowaddr = 14,
348 .coladdr = 10,
349 .trcd_lp = 2000,
350 .trppb_lp = 2000,
351 .trpab_lp = 2250,
352 .trasmin = 4200,
353};
354
355static void ccgr_init(void)
356{
357 struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
358
359 writel(0xFFFFFFFF, &ccm->CCGR0);
360 writel(0xFFFFFFFF, &ccm->CCGR1);
361 writel(0xFFFFFFFF, &ccm->CCGR2);
362 writel(0xFFFFFFFF, &ccm->CCGR3);
363 writel(0xFFFFFFFF, &ccm->CCGR4);
364 writel(0xFFFFFFFF, &ccm->CCGR5);
365 writel(0xFFFFFFFF, &ccm->CCGR6);
366
367 writel(0x00260324, &ccm->cbcmr);
368}
369
370static void spl_dram_init(void)
371{
372 struct mx6_ddr_sysinfo sysinfo = {
373 .dsize = mem_ddr.width / 32,
374 .cs_density = 20,
375 .ncs = 2,
376 .cs1_mirror = 0,
377 .walat = 0,
378 .ralat = 2,
379 .mif3_mode = 3,
380 .bi_on = 1,
381 .rtt_wr = 0, /* LPDDR2 does not need rtt_wr rtt_nom */
382 .rtt_nom = 0,
383 .sde_to_rst = 0, /* LPDDR2 does not need this field */
384 .rst_to_cke = 0x10, /* JEDEC value for LPDDR2: 200us */
385 .ddr_type = DDR_TYPE_LPDDR2,
Fabio Estevamedf00932016-08-29 20:37:15 -0300386 .refsel = 0, /* Refresh cycles at 64KHz */
387 .refr = 3, /* 4 refresh commands per refresh cycle */
Peng Fane7d3b212015-08-17 16:11:05 +0800388 };
389 mx6sl_dram_iocfg(32, &mx6_ddr_ioregs, &mx6_grp_ioregs);
390 mx6_dram_cfg(&sysinfo, &mx6_mmcd_calib, &mem_ddr);
391}
392
393void board_init_f(ulong dummy)
394{
395 /* setup AIPS and disable watchdog */
396 arch_cpu_init();
397
398 ccgr_init();
399
400 /* iomux and setup of i2c */
401 board_early_init_f();
402
403 /* setup GP timer */
404 timer_init();
405
406 /* UART clocks enabled and gd valid - init serial console */
407 preloader_console_init();
408
409 /* DDR initialization */
410 spl_dram_init();
411
412 /* Clear the BSS. */
413 memset(__bss_start, 0, __bss_end - __bss_start);
414
415 /* load/boot image from boot device */
416 board_init_r(NULL, 0);
417}
Peng Fane7d3b212015-08-17 16:11:05 +0800418#endif