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git01.mediatek.com / filogic / uboot / a6a04636dfce62e8fe65675accce799a1e337943 / . / board / compulab / cl-som-imx7 / spl.c
blob: 3b013c048f827739158a2ea671c447f8c5d99210 [file] [log] [blame]
Ilya Ledvich38a53c62017-09-24 09:00:25 +0300[diff] [blame]1/*
2 * SPL board functions for CompuLab CL-SOM-iMX7 module
3 *
4 * (C) Copyright 2017 CompuLab, Ltd. http://www.compulab.com
5 *
6 * Author: Uri Mashiach <uri.mashiach@compulab.co.il>
7 *
8 * SPDX-License-Identifier: GPL-2.0+
9 */
10
11#include <common.h>
12#include <spl.h>
13#include <fsl_esdhc.h>
14#include <asm/mach-imx/iomux-v3.h>
15#include <asm/arch-mx7/mx7-pins.h>
16#include <asm/arch-mx7/clock.h>
17#include <asm/arch-mx7/mx7-ddr.h>
18#include "common.h"
19
20#ifdef CONFIG_FSL_ESDHC
21
22static struct fsl_esdhc_cfg cl_som_imx7_spl_usdhc_cfg = {
23 USDHC1_BASE_ADDR, 0, 4};
24
25int board_mmc_init(bd_t *bis)
26{
27 cl_som_imx7_usdhc1_pads_set();
28 cl_som_imx7_spl_usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
29 return fsl_esdhc_initialize(bis, &cl_som_imx7_spl_usdhc_cfg);
30}
31#endif /* CONFIG_FSL_ESDHC */
32
33static iomux_v3_cfg_t const led_pads[] = {
34 MX7D_PAD_SAI1_TX_SYNC__GPIO6_IO14 | MUX_PAD_CTRL(PAD_CTL_PUS_PU5KOHM |
35 PAD_CTL_PUE | PAD_CTL_SRE_SLOW)
36};
37
38static struct ddrc cl_som_imx7_spl_ddrc_regs_val = {
39 .init1 = 0x00690000,
40 .init0 = 0x00020083,
41 .init3 = 0x09300004,
42 .init4 = 0x04080000,
43 .init5 = 0x00100004,
44 .rankctl = 0x0000033F,
45 .dramtmg1 = 0x0007020E,
46 .dramtmg2 = 0x03040407,
47 .dramtmg3 = 0x00002006,
48 .dramtmg4 = 0x04020305,
49 .dramtmg5 = 0x03030202,
50 .dramtmg8 = 0x00000803,
51 .zqctl0 = 0x00810021,
52 .dfitmg0 = 0x02098204,
53 .dfitmg1 = 0x00030303,
54 .dfiupd0 = 0x80400003,
55 .dfiupd1 = 0x00100020,
56 .dfiupd2 = 0x80100004,
57 .addrmap4 = 0x00000F0F,
58 .odtcfg = 0x06000604,
59 .odtmap = 0x00000001,
60};
61
62static struct ddrc_mp cl_som_imx7_spl_ddrc_mp_val = {
63 .pctrl_0 = 0x00000001,
64};
65
66static struct ddr_phy cl_som_imx7_spl_ddr_phy_regs_val = {
67 .phy_con0 = 0x17420F40,
68 .phy_con1 = 0x10210100,
69 .phy_con4 = 0x00060807,
70 .mdll_con0 = 0x1010007E,
71 .drvds_con0 = 0x00000D6E,
72 .cmd_sdll_con0 = 0x00000010,
73 .offset_lp_con0 = 0x0000000F,
74};
75
76struct mx7_calibration cl_som_imx7_spl_calib_param = {
77 .num_val = 5,
78 .values = {
79 0x0E407304,
80 0x0E447304,
81 0x0E447306,
82 0x0E447304,
83 0x0E407304,
84 },
85};
86
87static void cl_som_imx7_spl_dram_cfg_size(u32 ram_size)
88{
89 switch (ram_size) {
90 case SZ_256M:
91 cl_som_imx7_spl_ddrc_regs_val.mstr = 0x01041001;
92 cl_som_imx7_spl_ddrc_regs_val.rfshtmg = 0x00400046;
93 cl_som_imx7_spl_ddrc_regs_val.dramtmg0 = 0x090E1109;
94 cl_som_imx7_spl_ddrc_regs_val.addrmap0 = 0x00000014;
95 cl_som_imx7_spl_ddrc_regs_val.addrmap1 = 0x00151515;
96 cl_som_imx7_spl_ddrc_regs_val.addrmap5 = 0x03030303;
97 cl_som_imx7_spl_ddrc_regs_val.addrmap6 = 0x0F0F0303;
98 cl_som_imx7_spl_ddr_phy_regs_val.offset_rd_con0 = 0x0C0C0C0C;
99 cl_som_imx7_spl_ddr_phy_regs_val.offset_wr_con0 = 0x04040404;
100 break;
101 case SZ_512M:
102 cl_som_imx7_spl_ddrc_regs_val.mstr = 0x01040001;
103 cl_som_imx7_spl_ddrc_regs_val.rfshtmg = 0x00400046;
104 cl_som_imx7_spl_ddrc_regs_val.dramtmg0 = 0x090E1109;
105 cl_som_imx7_spl_ddrc_regs_val.addrmap0 = 0x00000015;
106 cl_som_imx7_spl_ddrc_regs_val.addrmap1 = 0x00161616;
107 cl_som_imx7_spl_ddrc_regs_val.addrmap5 = 0x04040404;
108 cl_som_imx7_spl_ddrc_regs_val.addrmap6 = 0x0F0F0404;
109 cl_som_imx7_spl_ddr_phy_regs_val.offset_rd_con0 = 0x0C0C0C0C;
110 cl_som_imx7_spl_ddr_phy_regs_val.offset_wr_con0 = 0x04040404;
111 break;
112 case SZ_1G:
113 cl_som_imx7_spl_ddrc_regs_val.mstr = 0x01040001;
114 cl_som_imx7_spl_ddrc_regs_val.rfshtmg = 0x00400046;
115 cl_som_imx7_spl_ddrc_regs_val.dramtmg0 = 0x090E1109;
116 cl_som_imx7_spl_ddrc_regs_val.addrmap0 = 0x00000016;
117 cl_som_imx7_spl_ddrc_regs_val.addrmap1 = 0x00171717;
118 cl_som_imx7_spl_ddrc_regs_val.addrmap5 = 0x04040404;
119 cl_som_imx7_spl_ddrc_regs_val.addrmap6 = 0x0F040404;
120 cl_som_imx7_spl_ddr_phy_regs_val.offset_rd_con0 = 0x0A0A0A0A;
121 cl_som_imx7_spl_ddr_phy_regs_val.offset_wr_con0 = 0x02020202;
122 break;
123 case SZ_2G:
124 cl_som_imx7_spl_ddrc_regs_val.mstr = 0x01040001;
125 cl_som_imx7_spl_ddrc_regs_val.rfshtmg = 0x0040005E;
126 cl_som_imx7_spl_ddrc_regs_val.dramtmg0 = 0x090E110A;
127 cl_som_imx7_spl_ddrc_regs_val.addrmap0 = 0x00000018;
128 cl_som_imx7_spl_ddrc_regs_val.addrmap1 = 0x00181818;
129 cl_som_imx7_spl_ddrc_regs_val.addrmap5 = 0x04040404;
130 cl_som_imx7_spl_ddrc_regs_val.addrmap6 = 0x04040404;
131 cl_som_imx7_spl_ddr_phy_regs_val.offset_rd_con0 = 0x0A0A0A0A;
132 cl_som_imx7_spl_ddr_phy_regs_val.offset_wr_con0 = 0x04040404;
133 break;
134 }
135
136 mx7_dram_cfg(&cl_som_imx7_spl_ddrc_regs_val,
137 &cl_som_imx7_spl_ddrc_mp_val,
138 &cl_som_imx7_spl_ddr_phy_regs_val,
139 &cl_som_imx7_spl_calib_param);
140}
141
142static void cl_som_imx7_spl_dram_cfg(void)
143{
144 ulong ram_size_test, ram_size = 0;
145
146 for (ram_size = SZ_2G; ram_size >= SZ_256M; ram_size >>= 1) {
147 cl_som_imx7_spl_dram_cfg_size(ram_size);
148 ram_size_test = get_ram_size((long int *)PHYS_SDRAM, ram_size);
149 if (ram_size_test == ram_size)
150 break;
151 }
152
153 if (ram_size < SZ_256M) {
154 puts("!!!ERROR!!! DRAM detection failed!!!\n");
155 hang();
156 }
157}
158
159#ifdef CONFIG_SPL_SPI_SUPPORT
160
161static void cl_som_imx7_spl_spi_init(void)
162{
163 cl_som_imx7_espi1_pads_set();
164}
165#else /* !CONFIG_SPL_SPI_SUPPORT */
166static void cl_som_imx7_spl_spi_init(void) {}
167#endif /* CONFIG_SPL_SPI_SUPPORT */
168
169void board_init_f(ulong dummy)
170{
171 imx_iomux_v3_setup_multiple_pads(led_pads, 1);
172 /* setup AIPS and disable watchdog */
173 arch_cpu_init();
174 /* setup GP timer */
175 timer_init();
176 cl_som_imx7_spl_spi_init();
177 cl_som_imx7_uart1_pads_set();
178 /* UART clocks enabled and gd valid - init serial console */
179 preloader_console_init();
180 /* DRAM detection */
181 cl_som_imx7_spl_dram_cfg();
182 /* Clear the BSS. */
183 memset(__bss_start, 0, __bss_end - __bss_start);
184 /* load/boot image from boot device */
185 board_init_r(NULL, 0);
186}
187
188void spl_board_init(void)
189{
190 u32 boot_device = spl_boot_device();
191
192 if (boot_device == BOOT_DEVICE_SPI)
193 puts("Booting from SPI flash\n");
194 else if (boot_device == BOOT_DEVICE_MMC1)
195 puts("Booting from SD card\n");
196 else
197 puts("Unknown boot device\n");
198}
199
200void board_boot_order(u32 *spl_boot_list)
201{
202 spl_boot_list[0] = spl_boot_device();
203 switch (spl_boot_list[0]) {
204 case BOOT_DEVICE_SPI:
205 spl_boot_list[1] = BOOT_DEVICE_MMC1;
206 break;
207 case BOOT_DEVICE_MMC1:
208 spl_boot_list[1] = BOOT_DEVICE_SPI;
209 break;
210 }
211}