common: Move some board functions out of common.h
[oweals/u-boot.git] / arch / arm / mach-imx / mx6 / opos6ul.c
1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright (C) 2018 Armadeus Systems
4  */
5
6 #include <init.h>
7 #include <asm/arch/clock.h>
8 #include <asm/arch/crm_regs.h>
9 #include <asm/arch/imx-regs.h>
10 #include <asm/arch/sys_proto.h>
11 #include <asm/io.h>
12 #include <common.h>
13 #include <env.h>
14
15 DECLARE_GLOBAL_DATA_PTR;
16
17 #ifdef CONFIG_FEC_MXC
18 #include <miiphy.h>
19
20 int board_phy_config(struct phy_device *phydev)
21 {
22         phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
23
24         if (phydev->drv->config)
25                 phydev->drv->config(phydev);
26
27         return 0;
28 }
29
30 static int setup_fec(void)
31 {
32         struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
33
34         /* Use 50M anatop loopback REF_CLK1 for ENET1,
35          * clear gpr1[13], set gpr1[17] */
36         clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
37                         IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
38
39         return enable_fec_anatop_clock(0, ENET_50MHZ);
40 }
41 #endif /* CONFIG_FEC_MXC */
42
43 int board_init(void)
44 {
45         /* Address of boot parameters */
46         gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
47
48 #ifdef CONFIG_FEC_MXC
49         setup_fec();
50 #endif
51
52         return 0;
53 }
54
55 int __weak opos6ul_board_late_init(void)
56 {
57         return 0;
58 }
59
60 int board_late_init(void)
61 {
62         struct src *psrc = (struct src *)SRC_BASE_ADDR;
63         unsigned reg = readl(&psrc->sbmr2);
64
65         /* In bootstrap don't use the env vars */
66         if (((reg & 0x3000000) >> 24) == 0x1) {
67                 env_set_default(NULL, 0);
68                 env_set("preboot", "");
69         }
70
71         return opos6ul_board_late_init();
72 }
73
74 int dram_init(void)
75 {
76         gd->ram_size = imx_ddr_size();
77
78         return 0;
79 }
80
81 #ifdef CONFIG_SPL_BUILD
82 #include <asm/arch/mx6-ddr.h>
83 #include <linux/libfdt.h>
84 #include <spl.h>
85
86 static struct mx6ul_iomux_grp_regs mx6_grp_ioregs = {
87         .grp_addds = 0x00000030,
88         .grp_ddrmode_ctl = 0x00020000,
89         .grp_b0ds = 0x00000030,
90         .grp_ctlds = 0x00000030,
91         .grp_b1ds = 0x00000030,
92         .grp_ddrpke = 0x00000000,
93         .grp_ddrmode = 0x00020000,
94         .grp_ddr_type = 0x000c0000,
95 };
96
97 static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = {
98         .dram_dqm0 = 0x00000030,
99         .dram_dqm1 = 0x00000030,
100         .dram_ras = 0x00000030,
101         .dram_cas = 0x00000030,
102         .dram_odt0 = 0x00000030,
103         .dram_odt1 = 0x00000030,
104         .dram_sdba2 = 0x00000000,
105         .dram_sdclk_0 = 0x00000008,
106         .dram_sdqs0 = 0x00000038,
107         .dram_sdqs1 = 0x00000030,
108         .dram_reset = 0x00000030,
109 };
110
111 static struct mx6_mmdc_calibration mx6_mmcd_calib = {
112         .p0_mpwldectrl0 = 0x00070007,
113         .p0_mpdgctrl0 = 0x41490145,
114         .p0_mprddlctl = 0x40404546,
115         .p0_mpwrdlctl = 0x4040524D,
116 };
117
118 struct mx6_ddr_sysinfo ddr_sysinfo = {
119         .dsize = 0,
120         .cs_density = 20,
121         .ncs = 1,
122         .cs1_mirror = 0,
123         .rtt_wr = 2,
124         .rtt_nom = 1,           /* RTT_Nom = RZQ/2 */
125         .walat = 1,             /* Write additional latency */
126         .ralat = 5,             /* Read additional latency */
127         .mif3_mode = 3,         /* Command prediction working mode */
128         .bi_on = 1,             /* Bank interleaving enabled */
129         .sde_to_rst = 0x10,     /* 14 cycles, 200us (JEDEC default) */
130         .rst_to_cke = 0x23,     /* 33 cycles, 500us (JEDEC default) */
131         .ddr_type = DDR_TYPE_DDR3,
132         .refsel = 1,            /* Refresh cycles at 32KHz */
133         .refr = 7,              /* 8 refreshes commands per refresh cycle */
134 };
135
136 static struct mx6_ddr3_cfg mem_ddr = {
137         .mem_speed = 800,
138         .density = 2,
139         .width = 16,
140         .banks = 8,
141         .rowaddr = 14,
142         .coladdr = 10,
143         .pagesz = 2,
144         .trcd = 1500,
145         .trcmin = 5250,
146         .trasmin = 3750,
147 };
148
149 void board_boot_order(u32 *spl_boot_list)
150 {
151         unsigned int bmode = readl(&src_base->sbmr2);
152
153         if (((bmode >> 24) & 0x03) == 0x01) /* Serial Downloader */
154                 spl_boot_list[0] = BOOT_DEVICE_UART;
155         else
156                 spl_boot_list[0] = spl_boot_device();
157 }
158
159 static void ccgr_init(void)
160 {
161         struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
162
163         writel(0xFFFFFFFF, &ccm->CCGR0);
164         writel(0xFFFFFFFF, &ccm->CCGR1);
165         writel(0xFFFFFFFF, &ccm->CCGR2);
166         writel(0xFFFFFFFF, &ccm->CCGR3);
167         writel(0xFFFFFFFF, &ccm->CCGR4);
168         writel(0xFFFFFFFF, &ccm->CCGR5);
169         writel(0xFFFFFFFF, &ccm->CCGR6);
170         writel(0xFFFFFFFF, &ccm->CCGR7);
171 }
172
173 static void spl_dram_init(void)
174 {
175         struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
176         struct fuse_bank *bank = &ocotp->bank[4];
177         struct fuse_bank4_regs *fuse =
178                 (struct fuse_bank4_regs *)bank->fuse_regs;
179         int reg = readl(&fuse->gp1);
180
181         /* 512MB of RAM */
182         if (reg & 0x1) {
183                 mem_ddr.density = 4;
184                 mem_ddr.rowaddr = 15;
185                 mem_ddr.trcd = 1375;
186                 mem_ddr.trcmin = 4875;
187                 mem_ddr.trasmin = 3500;
188         }
189
190         mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs);
191         mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr);
192 }
193
194 void spl_board_init(void)
195 {
196         preloader_console_init();
197 }
198
199 void board_init_f(ulong dummy)
200 {
201         ccgr_init();
202
203         /* setup AIPS and disable watchdog */
204         arch_cpu_init();
205
206         /* setup GP timer */
207         timer_init();
208
209         /* DDR initialization */
210         spl_dram_init();
211 }
212 #endif /* CONFIG_SPL_BUILD */