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am33xx: Stop modifying certain EMIF4D registers
[karo-tx-uboot.git] / board / isee / igep0033 / board.c
1 /*
2  * Board functions for IGEP COM AQUILA based boards
3  *
4  * Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/
5  *
6  * SPDX-License-Identifier:     GPL-2.0+
7  */
8
9 #include <common.h>
10 #include <errno.h>
11 #include <spl.h>
12 #include <asm/arch/cpu.h>
13 #include <asm/arch/hardware.h>
14 #include <asm/arch/omap.h>
15 #include <asm/arch/ddr_defs.h>
16 #include <asm/arch/clock.h>
17 #include <asm/arch/gpio.h>
18 #include <asm/arch/mmc_host_def.h>
19 #include <asm/arch/sys_proto.h>
20 #include <asm/io.h>
21 #include <asm/emif.h>
22 #include <asm/gpio.h>
23 #include <i2c.h>
24 #include <miiphy.h>
25 #include <cpsw.h>
26 #include "board.h"
27
28 DECLARE_GLOBAL_DATA_PTR;
29
30 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
31
32 #ifdef CONFIG_SPL_BUILD
33 static const struct ddr_data ddr3_data = {
34         .datardsratio0 = K4B2G1646EBIH9_RD_DQS,
35         .datawdsratio0 = K4B2G1646EBIH9_WR_DQS,
36         .datafwsratio0 = K4B2G1646EBIH9_PHY_FIFO_WE,
37         .datawrsratio0 = K4B2G1646EBIH9_PHY_WR_DATA,
38 };
39
40 static const struct cmd_control ddr3_cmd_ctrl_data = {
41         .cmd0csratio = K4B2G1646EBIH9_RATIO,
42         .cmd0iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,
43
44         .cmd1csratio = K4B2G1646EBIH9_RATIO,
45         .cmd1iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,
46
47         .cmd2csratio = K4B2G1646EBIH9_RATIO,
48         .cmd2iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,
49 };
50
51 static struct emif_regs ddr3_emif_reg_data = {
52         .sdram_config = K4B2G1646EBIH9_EMIF_SDCFG,
53         .ref_ctrl = K4B2G1646EBIH9_EMIF_SDREF,
54         .sdram_tim1 = K4B2G1646EBIH9_EMIF_TIM1,
55         .sdram_tim2 = K4B2G1646EBIH9_EMIF_TIM2,
56         .sdram_tim3 = K4B2G1646EBIH9_EMIF_TIM3,
57         .zq_config = K4B2G1646EBIH9_ZQ_CFG,
58         .emif_ddr_phy_ctlr_1 = K4B2G1646EBIH9_EMIF_READ_LATENCY,
59 };
60
61 #define OSC    (V_OSCK/1000000)
62 const struct dpll_params dpll_ddr = {
63                 400, OSC-1, 1, -1, -1, -1, -1};
64
65 const struct dpll_params *get_dpll_ddr_params(void)
66 {
67         return &dpll_ddr;
68 }
69
70 void set_uart_mux_conf(void)
71 {
72         enable_uart0_pin_mux();
73 }
74
75 void set_mux_conf_regs(void)
76 {
77         enable_board_pin_mux();
78 }
79
80 void sdram_init(void)
81 {
82         config_ddr(400, K4B2G1646EBIH9_IOCTRL_VALUE, &ddr3_data,
83                    &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0);
84 }
85 #endif
86
87 /*
88  * Basic board specific setup.  Pinmux has been handled already.
89  */
90 int board_init(void)
91 {
92         gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
93
94         gpmc_init();
95
96         return 0;
97 }
98
99 #if defined(CONFIG_DRIVER_TI_CPSW)
100 static void cpsw_control(int enabled)
101 {
102         /* VTP can be added here */
103
104         return;
105 }
106
107 static struct cpsw_slave_data cpsw_slaves[] = {
108         {
109                 .slave_reg_ofs  = 0x208,
110                 .sliver_reg_ofs = 0xd80,
111                 .phy_id         = 0,
112                 .phy_if         = PHY_INTERFACE_MODE_RMII,
113         },
114 };
115
116 static struct cpsw_platform_data cpsw_data = {
117         .mdio_base              = CPSW_MDIO_BASE,
118         .cpsw_base              = CPSW_BASE,
119         .mdio_div               = 0xff,
120         .channels               = 8,
121         .cpdma_reg_ofs          = 0x800,
122         .slaves                 = 1,
123         .slave_data             = cpsw_slaves,
124         .ale_reg_ofs            = 0xd00,
125         .ale_entries            = 1024,
126         .host_port_reg_ofs      = 0x108,
127         .hw_stats_reg_ofs       = 0x900,
128         .bd_ram_ofs             = 0x2000,
129         .mac_control            = (1 << 5),
130         .control                = cpsw_control,
131         .host_port_num          = 0,
132         .version                = CPSW_CTRL_VERSION_2,
133 };
134
135 int board_eth_init(bd_t *bis)
136 {
137         int rv, ret = 0;
138         uint8_t mac_addr[6];
139         uint32_t mac_hi, mac_lo;
140
141         if (!eth_getenv_enetaddr("ethaddr", mac_addr)) {
142                 /* try reading mac address from efuse */
143                 mac_lo = readl(&cdev->macid0l);
144                 mac_hi = readl(&cdev->macid0h);
145                 mac_addr[0] = mac_hi & 0xFF;
146                 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
147                 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
148                 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
149                 mac_addr[4] = mac_lo & 0xFF;
150                 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
151                 if (is_valid_ether_addr(mac_addr))
152                         eth_setenv_enetaddr("ethaddr", mac_addr);
153         }
154
155         writel((GMII1_SEL_RMII | RMII1_IO_CLK_EN),
156                &cdev->miisel);
157
158         rv = cpsw_register(&cpsw_data);
159         if (rv < 0)
160                 printf("Error %d registering CPSW switch\n", rv);
161         else
162                 ret += rv;
163
164         return ret;
165 }
166 #endif