2 * Copyright (C) 2015 Freescale Semiconductor, Inc.
4 * Author: Fabio Estevam <fabio.estevam@freescale.com>
6 * Copyright (C) 2013 Jon Nettleton <jon.nettleton@gmail.com>
8 * Based on SPL code from Solidrun tree, which is:
9 * Author: Tungyi Lin <tungyilin1127@gmail.com>
11 * Derived from EDM_CF_IMX6 code by TechNexion,Inc
12 * Ported to SolidRun microSOM by Rabeeh Khoury <rabeeh@solid-run.com>
14 * SPDX-License-Identifier: GPL-2.0+
17 #include <asm/arch/clock.h>
18 #include <asm/arch/imx-regs.h>
19 #include <asm/arch/iomux.h>
20 #include <asm/arch/mx6-pins.h>
21 #include <asm/arch/mxc_hdmi.h>
22 #include <linux/errno.h>
24 #include <asm/mach-imx/iomux-v3.h>
25 #include <asm/mach-imx/sata.h>
26 #include <asm/mach-imx/video.h>
28 #include <fsl_esdhc.h>
32 #include <asm/arch/crm_regs.h>
34 #include <asm/arch/sys_proto.h>
37 #include <usb/ehci-ci.h>
39 DECLARE_GLOBAL_DATA_PTR
;
41 #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
42 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
43 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
45 #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
46 PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
47 PAD_CTL_SRE_FAST | PAD_CTL_HYS)
49 #define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
50 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
52 #define ENET_PAD_CTRL_PD (PAD_CTL_PUS_100K_DOWN | \
53 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
55 #define ENET_PAD_CTRL_CLK ((PAD_CTL_PUS_100K_UP & ~PAD_CTL_PKE) | \
56 PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
58 #define ETH_PHY_RESET IMX_GPIO_NR(4, 15)
59 #define USB_H1_VBUS IMX_GPIO_NR(1, 0)
63 gd
->ram_size
= imx_ddr_size();
67 static iomux_v3_cfg_t
const uart1_pads
[] = {
68 IOMUX_PADS(PAD_CSI0_DAT10__UART1_TX_DATA
| MUX_PAD_CTRL(UART_PAD_CTRL
)),
69 IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA
| MUX_PAD_CTRL(UART_PAD_CTRL
)),
72 static iomux_v3_cfg_t
const usdhc2_pads
[] = {
73 IOMUX_PADS(PAD_SD2_CLK__SD2_CLK
| MUX_PAD_CTRL(USDHC_PAD_CTRL
)),
74 IOMUX_PADS(PAD_SD2_CMD__SD2_CMD
| MUX_PAD_CTRL(USDHC_PAD_CTRL
)),
75 IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0
| MUX_PAD_CTRL(USDHC_PAD_CTRL
)),
76 IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1
| MUX_PAD_CTRL(USDHC_PAD_CTRL
)),
77 IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2
| MUX_PAD_CTRL(USDHC_PAD_CTRL
)),
78 IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3
| MUX_PAD_CTRL(USDHC_PAD_CTRL
)),
81 static iomux_v3_cfg_t
const hb_cbi_sense
[] = {
82 /* These pins are for sensing if it is a CuBox-i or a HummingBoard */
83 IOMUX_PADS(PAD_KEY_ROW1__GPIO4_IO09
| MUX_PAD_CTRL(UART_PAD_CTRL
)),
84 IOMUX_PADS(PAD_EIM_DA4__GPIO3_IO04
| MUX_PAD_CTRL(UART_PAD_CTRL
)),
87 static iomux_v3_cfg_t
const usb_pads
[] = {
88 IOMUX_PADS(PAD_GPIO_0__GPIO1_IO00
| MUX_PAD_CTRL(NO_PAD_CTRL
)),
91 static void setup_iomux_uart(void)
93 SETUP_IOMUX_PADS(uart1_pads
);
96 static struct fsl_esdhc_cfg usdhc_cfg
[1] = {
100 int board_mmc_getcd(struct mmc
*mmc
)
102 return 1; /* uSDHC2 is always present */
105 int board_mmc_init(bd_t
*bis
)
107 SETUP_IOMUX_PADS(usdhc2_pads
);
108 usdhc_cfg
[0].esdhc_base
= USDHC2_BASE_ADDR
;
109 usdhc_cfg
[0].sdhc_clk
= mxc_get_clock(MXC_ESDHC2_CLK
);
110 gd
->arch
.sdhc_clk
= usdhc_cfg
[0].sdhc_clk
;
112 return fsl_esdhc_initialize(bis
, &usdhc_cfg
[0]);
115 static iomux_v3_cfg_t
const enet_pads
[] = {
116 IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO
| MUX_PAD_CTRL(ENET_PAD_CTRL
)),
117 IOMUX_PADS(PAD_ENET_MDC__ENET_MDC
| MUX_PAD_CTRL(ENET_PAD_CTRL
)),
119 IOMUX_PADS(PAD_KEY_ROW4__GPIO4_IO15
| MUX_PAD_CTRL(ENET_PAD_CTRL_PD
)),
120 /* AR8035 interrupt */
121 IOMUX_PADS(PAD_DI0_PIN2__GPIO4_IO18
| MUX_PAD_CTRL(NO_PAD_CTRL
)),
122 /* GPIO16 -> AR8035 25MHz */
123 IOMUX_PADS(PAD_GPIO_16__ENET_REF_CLK
| MUX_PAD_CTRL(NO_PAD_CTRL
)),
124 IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC
| MUX_PAD_CTRL(NO_PAD_CTRL
)),
125 IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0
| MUX_PAD_CTRL(ENET_PAD_CTRL
)),
126 IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1
| MUX_PAD_CTRL(ENET_PAD_CTRL
)),
127 IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2
| MUX_PAD_CTRL(ENET_PAD_CTRL
)),
128 IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3
| MUX_PAD_CTRL(ENET_PAD_CTRL
)),
129 IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL
| MUX_PAD_CTRL(ENET_PAD_CTRL
)),
130 /* AR8035 CLK_25M --> ENET_REF_CLK (V22) */
131 IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK
| MUX_PAD_CTRL(ENET_PAD_CTRL_CLK
)),
132 IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC
| MUX_PAD_CTRL(ENET_PAD_CTRL
)),
133 IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0
| MUX_PAD_CTRL(ENET_PAD_CTRL_PD
)),
134 IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1
| MUX_PAD_CTRL(ENET_PAD_CTRL_PD
)),
135 IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2
| MUX_PAD_CTRL(ENET_PAD_CTRL
)),
136 IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3
| MUX_PAD_CTRL(ENET_PAD_CTRL
)),
137 IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL
| MUX_PAD_CTRL(ENET_PAD_CTRL_PD
)),
138 IOMUX_PADS(PAD_ENET_RXD0__GPIO1_IO27
| MUX_PAD_CTRL(ENET_PAD_CTRL_PD
)),
139 IOMUX_PADS(PAD_ENET_RXD1__GPIO1_IO26
| MUX_PAD_CTRL(ENET_PAD_CTRL_PD
)),
142 static void setup_iomux_enet(void)
144 SETUP_IOMUX_PADS(enet_pads
);
146 gpio_direction_output(ETH_PHY_RESET
, 0);
148 gpio_set_value(ETH_PHY_RESET
, 1);
152 int board_phy_config(struct phy_device
*phydev
)
154 if (phydev
->drv
->config
)
155 phydev
->drv
->config(phydev
);
160 /* On Cuboxi Ethernet PHY can be located at addresses 0x0 or 0x4 */
161 #define ETH_PHY_MASK ((1 << 0x0) | (1 << 0x4))
163 int board_eth_init(bd_t
*bis
)
165 struct iomuxc
*const iomuxc_regs
= (struct iomuxc
*)IOMUXC_BASE_ADDR
;
167 struct phy_device
*phydev
;
169 int ret
= enable_fec_anatop_clock(0, ENET_25MHZ
);
173 /* set gpr1[ENET_CLK_SEL] */
174 setbits_le32(&iomuxc_regs
->gpr
[1], IOMUXC_GPR1_ENET_CLK_SEL_MASK
);
178 bus
= fec_get_miibus(IMX_FEC_BASE
, -1);
182 phydev
= phy_find_by_mask(bus
, ETH_PHY_MASK
, PHY_INTERFACE_MODE_RGMII
);
188 debug("using phy at address %d\n", phydev
->addr
);
189 ret
= fec_probe(bis
, -1, IMX_FEC_BASE
, bus
, phydev
);
202 #ifdef CONFIG_VIDEO_IPUV3
203 static void do_enable_hdmi(struct display_info_t
const *dev
)
205 imx_enable_hdmi_phy();
208 struct display_info_t
const displays
[] = {
212 .pixfmt
= IPU_PIX_FMT_RGB24
,
213 .detect
= detect_hdmi
,
214 .enable
= do_enable_hdmi
,
217 /* 1024x768@60Hz (VESA)*/
229 .vmode
= FB_VMODE_NONINTERLACED
234 size_t display_count
= ARRAY_SIZE(displays
);
236 static int setup_display(void)
238 struct mxc_ccm_reg
*ccm
= (struct mxc_ccm_reg
*)CCM_BASE_ADDR
;
240 int timeout
= 100000;
245 /* set video pll to 455MHz (24MHz * (37+11/12) / 2) */
246 setbits_le32(&ccm
->analog_pll_video
, BM_ANADIG_PLL_VIDEO_POWERDOWN
);
248 reg
= readl(&ccm
->analog_pll_video
);
249 reg
&= ~BM_ANADIG_PLL_VIDEO_DIV_SELECT
;
250 reg
|= BF_ANADIG_PLL_VIDEO_DIV_SELECT(37);
251 reg
&= ~BM_ANADIG_PLL_VIDEO_POST_DIV_SELECT
;
252 reg
|= BF_ANADIG_PLL_VIDEO_POST_DIV_SELECT(1);
253 writel(reg
, &ccm
->analog_pll_video
);
255 writel(BF_ANADIG_PLL_VIDEO_NUM_A(11), &ccm
->analog_pll_video_num
);
256 writel(BF_ANADIG_PLL_VIDEO_DENOM_B(12), &ccm
->analog_pll_video_denom
);
258 reg
&= ~BM_ANADIG_PLL_VIDEO_POWERDOWN
;
259 writel(reg
, &ccm
->analog_pll_video
);
262 if (readl(&ccm
->analog_pll_video
) & BM_ANADIG_PLL_VIDEO_LOCK
)
265 printf("Warning: video pll lock timeout!\n");
269 reg
= readl(&ccm
->analog_pll_video
);
270 reg
|= BM_ANADIG_PLL_VIDEO_ENABLE
;
271 reg
&= ~BM_ANADIG_PLL_VIDEO_BYPASS
;
272 writel(reg
, &ccm
->analog_pll_video
);
274 /* gate ipu1_di0_clk */
275 clrbits_le32(&ccm
->CCGR3
, MXC_CCM_CCGR3_LDB_DI0_MASK
);
277 /* select video_pll clock / 7 for ipu1_di0_clk -> 65MHz pixclock */
278 reg
= readl(&ccm
->chsccdr
);
279 reg
&= ~(MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_MASK
|
280 MXC_CCM_CHSCCDR_IPU1_DI0_PODF_MASK
|
281 MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK
);
282 reg
|= (2 << MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_OFFSET
) |
283 (6 << MXC_CCM_CHSCCDR_IPU1_DI0_PODF_OFFSET
) |
284 (0 << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET
);
285 writel(reg
, &ccm
->chsccdr
);
287 /* enable ipu1_di0_clk */
288 setbits_le32(&ccm
->CCGR3
, MXC_CCM_CCGR3_LDB_DI0_MASK
);
292 #endif /* CONFIG_VIDEO_IPUV3 */
294 #ifdef CONFIG_USB_EHCI_MX6
295 static void setup_usb(void)
297 SETUP_IOMUX_PADS(usb_pads
);
300 int board_ehci_hcd_init(int port
)
303 gpio_direction_output(USB_H1_VBUS
, 1);
309 int board_early_init_f(void)
314 #ifdef CONFIG_VIDEO_IPUV3
315 ret
= setup_display();
318 #ifdef CONFIG_CMD_SATA
322 #ifdef CONFIG_USB_EHCI_MX6
330 /* address of boot parameters */
331 gd
->bd
->bi_boot_params
= CONFIG_SYS_SDRAM_BASE
+ 0x100;
336 static bool is_hummingboard(void)
340 SETUP_IOMUX_PADS(hb_cbi_sense
);
342 gpio_direction_input(IMX_GPIO_NR(4, 9));
343 gpio_direction_input(IMX_GPIO_NR(3, 4));
345 val1
= gpio_get_value(IMX_GPIO_NR(4, 9));
346 val2
= gpio_get_value(IMX_GPIO_NR(3, 4));
349 * Machine selection -
351 * -------------------------
367 if (is_hummingboard())
368 puts("Board: MX6 Hummingboard\n");
370 puts("Board: MX6 Cubox-i\n");
375 int board_late_init(void)
377 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
378 if (is_hummingboard())
379 setenv("board_name", "HUMMINGBOARD");
381 setenv("board_name", "CUBOXI");
384 setenv("board_rev", "MX6Q");
386 setenv("board_rev", "MX6DL");
392 #ifdef CONFIG_SPL_BUILD
393 #include <asm/arch/mx6-ddr.h>
394 static const struct mx6dq_iomux_ddr_regs mx6q_ddr_ioregs
= {
395 .dram_sdclk_0
= 0x00020030,
396 .dram_sdclk_1
= 0x00020030,
397 .dram_cas
= 0x00020030,
398 .dram_ras
= 0x00020030,
399 .dram_reset
= 0x00020030,
400 .dram_sdcke0
= 0x00003000,
401 .dram_sdcke1
= 0x00003000,
402 .dram_sdba2
= 0x00000000,
403 .dram_sdodt0
= 0x00003030,
404 .dram_sdodt1
= 0x00003030,
405 .dram_sdqs0
= 0x00000030,
406 .dram_sdqs1
= 0x00000030,
407 .dram_sdqs2
= 0x00000030,
408 .dram_sdqs3
= 0x00000030,
409 .dram_sdqs4
= 0x00000030,
410 .dram_sdqs5
= 0x00000030,
411 .dram_sdqs6
= 0x00000030,
412 .dram_sdqs7
= 0x00000030,
413 .dram_dqm0
= 0x00020030,
414 .dram_dqm1
= 0x00020030,
415 .dram_dqm2
= 0x00020030,
416 .dram_dqm3
= 0x00020030,
417 .dram_dqm4
= 0x00020030,
418 .dram_dqm5
= 0x00020030,
419 .dram_dqm6
= 0x00020030,
420 .dram_dqm7
= 0x00020030,
423 static const struct mx6sdl_iomux_ddr_regs mx6dl_ddr_ioregs
= {
424 .dram_sdclk_0
= 0x00000028,
425 .dram_sdclk_1
= 0x00000028,
426 .dram_cas
= 0x00000028,
427 .dram_ras
= 0x00000028,
428 .dram_reset
= 0x000c0028,
429 .dram_sdcke0
= 0x00003000,
430 .dram_sdcke1
= 0x00003000,
431 .dram_sdba2
= 0x00000000,
432 .dram_sdodt0
= 0x00003030,
433 .dram_sdodt1
= 0x00003030,
434 .dram_sdqs0
= 0x00000028,
435 .dram_sdqs1
= 0x00000028,
436 .dram_sdqs2
= 0x00000028,
437 .dram_sdqs3
= 0x00000028,
438 .dram_sdqs4
= 0x00000028,
439 .dram_sdqs5
= 0x00000028,
440 .dram_sdqs6
= 0x00000028,
441 .dram_sdqs7
= 0x00000028,
442 .dram_dqm0
= 0x00000028,
443 .dram_dqm1
= 0x00000028,
444 .dram_dqm2
= 0x00000028,
445 .dram_dqm3
= 0x00000028,
446 .dram_dqm4
= 0x00000028,
447 .dram_dqm5
= 0x00000028,
448 .dram_dqm6
= 0x00000028,
449 .dram_dqm7
= 0x00000028,
452 static const struct mx6dq_iomux_grp_regs mx6q_grp_ioregs
= {
453 .grp_ddr_type
= 0x000C0000,
454 .grp_ddrmode_ctl
= 0x00020000,
455 .grp_ddrpke
= 0x00000000,
456 .grp_addds
= 0x00000030,
457 .grp_ctlds
= 0x00000030,
458 .grp_ddrmode
= 0x00020000,
459 .grp_b0ds
= 0x00000030,
460 .grp_b1ds
= 0x00000030,
461 .grp_b2ds
= 0x00000030,
462 .grp_b3ds
= 0x00000030,
463 .grp_b4ds
= 0x00000030,
464 .grp_b5ds
= 0x00000030,
465 .grp_b6ds
= 0x00000030,
466 .grp_b7ds
= 0x00000030,
469 static const struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs
= {
470 .grp_ddr_type
= 0x000c0000,
471 .grp_ddrmode_ctl
= 0x00020000,
472 .grp_ddrpke
= 0x00000000,
473 .grp_addds
= 0x00000028,
474 .grp_ctlds
= 0x00000028,
475 .grp_ddrmode
= 0x00020000,
476 .grp_b0ds
= 0x00000028,
477 .grp_b1ds
= 0x00000028,
478 .grp_b2ds
= 0x00000028,
479 .grp_b3ds
= 0x00000028,
480 .grp_b4ds
= 0x00000028,
481 .grp_b5ds
= 0x00000028,
482 .grp_b6ds
= 0x00000028,
483 .grp_b7ds
= 0x00000028,
486 /* microSOM with Dual processor and 1GB memory */
487 static const struct mx6_mmdc_calibration mx6q_1g_mmcd_calib
= {
488 .p0_mpwldectrl0
= 0x00000000,
489 .p0_mpwldectrl1
= 0x00000000,
490 .p1_mpwldectrl0
= 0x00000000,
491 .p1_mpwldectrl1
= 0x00000000,
492 .p0_mpdgctrl0
= 0x0314031c,
493 .p0_mpdgctrl1
= 0x023e0304,
494 .p1_mpdgctrl0
= 0x03240330,
495 .p1_mpdgctrl1
= 0x03180260,
496 .p0_mprddlctl
= 0x3630323c,
497 .p1_mprddlctl
= 0x3436283a,
498 .p0_mpwrdlctl
= 0x36344038,
499 .p1_mpwrdlctl
= 0x422a423c,
502 /* microSOM with Quad processor and 2GB memory */
503 static const struct mx6_mmdc_calibration mx6q_2g_mmcd_calib
= {
504 .p0_mpwldectrl0
= 0x00000000,
505 .p0_mpwldectrl1
= 0x00000000,
506 .p1_mpwldectrl0
= 0x00000000,
507 .p1_mpwldectrl1
= 0x00000000,
508 .p0_mpdgctrl0
= 0x0314031c,
509 .p0_mpdgctrl1
= 0x023e0304,
510 .p1_mpdgctrl0
= 0x03240330,
511 .p1_mpdgctrl1
= 0x03180260,
512 .p0_mprddlctl
= 0x3630323c,
513 .p1_mprddlctl
= 0x3436283a,
514 .p0_mpwrdlctl
= 0x36344038,
515 .p1_mpwrdlctl
= 0x422a423c,
518 /* microSOM with Solo processor and 512MB memory */
519 static const struct mx6_mmdc_calibration mx6dl_512m_mmcd_calib
= {
520 .p0_mpwldectrl0
= 0x0045004D,
521 .p0_mpwldectrl1
= 0x003A0047,
522 .p0_mpdgctrl0
= 0x023C0224,
523 .p0_mpdgctrl1
= 0x02000220,
524 .p0_mprddlctl
= 0x44444846,
525 .p0_mpwrdlctl
= 0x32343032,
528 /* microSOM with Dual lite processor and 1GB memory */
529 static const struct mx6_mmdc_calibration mx6dl_1g_mmcd_calib
= {
530 .p0_mpwldectrl0
= 0x0045004D,
531 .p0_mpwldectrl1
= 0x003A0047,
532 .p1_mpwldectrl0
= 0x001F001F,
533 .p1_mpwldectrl1
= 0x00210035,
534 .p0_mpdgctrl0
= 0x023C0224,
535 .p0_mpdgctrl1
= 0x02000220,
536 .p1_mpdgctrl0
= 0x02200220,
537 .p1_mpdgctrl1
= 0x02040208,
538 .p0_mprddlctl
= 0x44444846,
539 .p1_mprddlctl
= 0x4042463C,
540 .p0_mpwrdlctl
= 0x32343032,
541 .p1_mpwrdlctl
= 0x36363430,
544 static struct mx6_ddr3_cfg mem_ddr_2g
= {
558 static struct mx6_ddr3_cfg mem_ddr_4g
= {
571 static void ccgr_init(void)
573 struct mxc_ccm_reg
*ccm
= (struct mxc_ccm_reg
*)CCM_BASE_ADDR
;
575 writel(0x00C03F3F, &ccm
->CCGR0
);
576 writel(0x0030FC03, &ccm
->CCGR1
);
577 writel(0x0FFFC000, &ccm
->CCGR2
);
578 writel(0x3FF00000, &ccm
->CCGR3
);
579 writel(0x00FFF300, &ccm
->CCGR4
);
580 writel(0x0F0000C3, &ccm
->CCGR5
);
581 writel(0x000003FF, &ccm
->CCGR6
);
584 static void gpr_init(void)
586 struct iomuxc
*iomux
= (struct iomuxc
*)IOMUXC_BASE_ADDR
;
588 /* enable AXI cache for VDOA/VPU/IPU */
589 writel(0xF00000CF, &iomux
->gpr
[4]);
590 /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
591 writel(0x007F007F, &iomux
->gpr
[6]);
592 writel(0x007F007F, &iomux
->gpr
[7]);
595 static void spl_dram_init(int width
)
597 struct mx6_ddr_sysinfo sysinfo
= {
598 /* width of data bus: 0=16, 1=32, 2=64 */
600 /* config for full 4GB range so that get_mem_size() works */
601 .cs_density
= 32, /* 32Gb per CS */
602 .ncs
= 1, /* single chip select */
604 .rtt_wr
= 1 /*DDR3_RTT_60_OHM*/, /* RTT_Wr = RZQ/4 */
605 .rtt_nom
= 1 /*DDR3_RTT_60_OHM*/, /* RTT_Nom = RZQ/4 */
606 .walat
= 1, /* Write additional latency */
607 .ralat
= 5, /* Read additional latency */
608 .mif3_mode
= 3, /* Command prediction working mode */
609 .bi_on
= 1, /* Bank interleaving enabled */
610 .sde_to_rst
= 0x10, /* 14 cycles, 200us (JEDEC default) */
611 .rst_to_cke
= 0x23, /* 33 cycles, 500us (JEDEC default) */
612 .ddr_type
= DDR_TYPE_DDR3
,
613 .refsel
= 1, /* Refresh cycles at 32KHz */
614 .refr
= 7, /* 8 refresh commands per refresh cycle */
618 mx6dq_dram_iocfg(width
, &mx6q_ddr_ioregs
, &mx6q_grp_ioregs
);
620 mx6sdl_dram_iocfg(width
, &mx6dl_ddr_ioregs
, &mx6sdl_grp_ioregs
);
622 if (is_cpu_type(MXC_CPU_MX6D
))
623 mx6_dram_cfg(&sysinfo
, &mx6q_1g_mmcd_calib
, &mem_ddr_2g
);
624 else if (is_cpu_type(MXC_CPU_MX6Q
))
625 mx6_dram_cfg(&sysinfo
, &mx6q_2g_mmcd_calib
, &mem_ddr_4g
);
626 else if (is_cpu_type(MXC_CPU_MX6DL
))
627 mx6_dram_cfg(&sysinfo
, &mx6dl_1g_mmcd_calib
, &mem_ddr_2g
);
628 else if (is_cpu_type(MXC_CPU_MX6SOLO
))
629 mx6_dram_cfg(&sysinfo
, &mx6dl_512m_mmcd_calib
, &mem_ddr_2g
);
632 void board_init_f(ulong dummy
)
634 /* setup AIPS and disable watchdog */
640 /* iomux and setup of i2c */
641 board_early_init_f();
646 /* UART clocks enabled and gd valid - init serial console */
647 preloader_console_init();
649 /* DDR initialization */
650 if (is_cpu_type(MXC_CPU_MX6SOLO
))
656 memset(__bss_start
, 0, __bss_end
- __bss_start
);
658 /* load/boot image from boot device */
659 board_init_r(NULL
, 0);