1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * (C) Copyright 2016 Savoir-faire Linux Inc.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Author: Sebastien Bourdelin <sebastien.bourdelin@savoirfairelinux.com>
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * Based on work from TS7680 code by:
7*4882a593Smuzhiyun * Kris Bahnsen <kris@embeddedarm.com>
8*4882a593Smuzhiyun * Mark Featherston <mark@embeddedarm.com>
9*4882a593Smuzhiyun * https://github.com/embeddedarm/u-boot/tree/master/board/technologic/ts7680
10*4882a593Smuzhiyun *
11*4882a593Smuzhiyun * Derived from MX28EVK code by
12*4882a593Smuzhiyun * Freescale Semiconductor, Inc.
13*4882a593Smuzhiyun *
14*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
15*4882a593Smuzhiyun */
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun #include <common.h>
18*4882a593Smuzhiyun #include <asm/gpio.h>
19*4882a593Smuzhiyun #include <asm/io.h>
20*4882a593Smuzhiyun #include <asm/arch/imx-regs.h>
21*4882a593Smuzhiyun #include <asm/arch/iomux-mx28.h>
22*4882a593Smuzhiyun #include <asm/arch/clock.h>
23*4882a593Smuzhiyun #include <asm/arch/sys_proto.h>
24*4882a593Smuzhiyun #include <linux/mii.h>
25*4882a593Smuzhiyun #include <miiphy.h>
26*4882a593Smuzhiyun #include <netdev.h>
27*4882a593Smuzhiyun #include <errno.h>
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
30*4882a593Smuzhiyun
board_early_init_f(void)31*4882a593Smuzhiyun int board_early_init_f(void)
32*4882a593Smuzhiyun {
33*4882a593Smuzhiyun /* IO0 clock at 480MHz */
34*4882a593Smuzhiyun mxs_set_ioclk(MXC_IOCLK0, 480000);
35*4882a593Smuzhiyun /* IO1 clock at 480MHz */
36*4882a593Smuzhiyun mxs_set_ioclk(MXC_IOCLK1, 480000);
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun /* SSP0 clocks at 96MHz */
39*4882a593Smuzhiyun mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun return 0;
42*4882a593Smuzhiyun }
43*4882a593Smuzhiyun
dram_init(void)44*4882a593Smuzhiyun int dram_init(void)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun return mxs_dram_init();
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun
board_init(void)49*4882a593Smuzhiyun int board_init(void)
50*4882a593Smuzhiyun {
51*4882a593Smuzhiyun /* Adress of boot parameters */
52*4882a593Smuzhiyun gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun return 0;
55*4882a593Smuzhiyun }
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun #ifdef CONFIG_CMD_MMC
ts4600_mmc_cd(int id)58*4882a593Smuzhiyun static int ts4600_mmc_cd(int id)
59*4882a593Smuzhiyun {
60*4882a593Smuzhiyun return 1;
61*4882a593Smuzhiyun }
62*4882a593Smuzhiyun
board_mmc_init(bd_t * bis)63*4882a593Smuzhiyun int board_mmc_init(bd_t *bis)
64*4882a593Smuzhiyun {
65*4882a593Smuzhiyun int ret;
66*4882a593Smuzhiyun
67*4882a593Smuzhiyun mxs_iomux_setup_pad(MX28_PAD_PWM3__GPIO_3_28);
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun /* Power-on SD */
70*4882a593Smuzhiyun gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 1);
71*4882a593Smuzhiyun udelay(1000);
72*4882a593Smuzhiyun gpio_direction_output(MX28_PAD_PWM3__GPIO_3_28, 0);
73*4882a593Smuzhiyun
74*4882a593Smuzhiyun /* SD card */
75*4882a593Smuzhiyun ret = mxsmmc_initialize(bis, 0, NULL, ts4600_mmc_cd);
76*4882a593Smuzhiyun if(ret != 0) {
77*4882a593Smuzhiyun printf("SD controller initialized with %d\n", ret);
78*4882a593Smuzhiyun }
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun return ret;
81*4882a593Smuzhiyun }
82*4882a593Smuzhiyun #endif
83*4882a593Smuzhiyun
checkboard(void)84*4882a593Smuzhiyun int checkboard(void)
85*4882a593Smuzhiyun {
86*4882a593Smuzhiyun puts("Board: TS4600\n");
87*4882a593Smuzhiyun
88*4882a593Smuzhiyun return 0;
89*4882a593Smuzhiyun }
90