blob: 17fba5aecd52a7fdaf8d58bcae6346cb94f4ec83 [file] [log] [blame]
Matt Porterea7b96b2013-03-15 10:07:10 +00001/*
2 * evm.c
3 *
4 * Board functions for TI814x EVM
5 *
6 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
7 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02008 * SPDX-License-Identifier: GPL-2.0+
Matt Porterea7b96b2013-03-15 10:07:10 +00009 */
10
11#include <common.h>
Matt Portercd874642013-03-20 05:38:14 +000012#include <cpsw.h>
Matt Porterea7b96b2013-03-15 10:07:10 +000013#include <errno.h>
14#include <spl.h>
15#include <asm/arch/cpu.h>
16#include <asm/arch/hardware.h>
17#include <asm/arch/omap.h>
18#include <asm/arch/ddr_defs.h>
19#include <asm/arch/clock.h>
20#include <asm/arch/gpio.h>
21#include <asm/arch/mmc_host_def.h>
22#include <asm/arch/sys_proto.h>
23#include <asm/io.h>
24#include <asm/emif.h>
25#include <asm/gpio.h>
26#include "evm.h"
27
28DECLARE_GLOBAL_DATA_PTR;
29
30#ifdef CONFIG_SPL_BUILD
31static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
Matt Porterea7b96b2013-03-15 10:07:10 +000032#endif
33
Matt Portercd874642013-03-20 05:38:14 +000034static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
35
Matt Porterea7b96b2013-03-15 10:07:10 +000036/* UART Defines */
37#ifdef CONFIG_SPL_BUILD
Matt Porterea7b96b2013-03-15 10:07:10 +000038static void uart_enable(void)
39{
Matt Porterea7b96b2013-03-15 10:07:10 +000040 /* UART softreset */
Heiko Schocher7ea7f682013-06-04 11:00:57 +020041 uart_soft_reset();
Matt Porterea7b96b2013-03-15 10:07:10 +000042}
43
44static void wdt_disable(void)
45{
46 writel(0xAAAA, &wdtimer->wdtwspr);
47 while (readl(&wdtimer->wdtwwps) != 0x0)
48 ;
49 writel(0x5555, &wdtimer->wdtwspr);
50 while (readl(&wdtimer->wdtwwps) != 0x0)
51 ;
52}
53
54static const struct cmd_control evm_ddr2_cctrl_data = {
55 .cmd0csratio = 0x80,
56 .cmd0dldiff = 0x04,
57 .cmd0iclkout = 0x00,
58
59 .cmd1csratio = 0x80,
60 .cmd1dldiff = 0x04,
61 .cmd1iclkout = 0x00,
62
63 .cmd2csratio = 0x80,
64 .cmd2dldiff = 0x04,
65 .cmd2iclkout = 0x00,
66};
67
68static const struct emif_regs evm_ddr2_emif0_regs = {
69 .sdram_config = 0x40801ab2,
70 .ref_ctrl = 0x10000c30,
71 .sdram_tim1 = 0x0aaaf552,
72 .sdram_tim2 = 0x043631d2,
73 .sdram_tim3 = 0x00000327,
74 .emif_ddr_phy_ctlr_1 = 0x00000007
75};
76
77static const struct emif_regs evm_ddr2_emif1_regs = {
78 .sdram_config = 0x40801ab2,
79 .ref_ctrl = 0x10000c30,
80 .sdram_tim1 = 0x0aaaf552,
81 .sdram_tim2 = 0x043631d2,
82 .sdram_tim3 = 0x00000327,
83 .emif_ddr_phy_ctlr_1 = 0x00000007
84};
85
86const struct dmm_lisa_map_regs evm_lisa_map_regs = {
87 .dmm_lisa_map_0 = 0x00000000,
88 .dmm_lisa_map_1 = 0x00000000,
89 .dmm_lisa_map_2 = 0x806c0300,
90 .dmm_lisa_map_3 = 0x806c0300,
91};
92
93static const struct ddr_data evm_ddr2_data = {
94 .datardsratio0 = ((0x35<<10) | (0x35<<0)),
95 .datawdsratio0 = ((0x20<<10) | (0x20<<0)),
96 .datawiratio0 = ((0<<10) | (0<<0)),
97 .datagiratio0 = ((0<<10) | (0<<0)),
98 .datafwsratio0 = ((0x90<<10) | (0x90<<0)),
99 .datawrsratio0 = ((0x50<<10) | (0x50<<0)),
100 .datauserank0delay = 1,
101 .datadldiff0 = 0x4,
102};
103#endif
104
105/*
106 * early system init of muxing and clocks.
107 */
108void s_init(void)
109{
110#ifdef CONFIG_SPL_BUILD
Tom Rini4596dcc2013-05-31 12:31:59 -0400111 /*
112 * Save the boot parameters passed from romcode.
113 * We cannot delay the saving further than this,
114 * to prevent overwrites.
115 */
116#ifdef CONFIG_SPL_BUILD
117 save_omap_boot_params();
118#endif
119
Matt Porterea7b96b2013-03-15 10:07:10 +0000120 /* WDT1 is already running when the bootloader gets control
121 * Disable it to avoid "random" resets
122 */
123 wdt_disable();
124
Matt Porter035d5632013-03-20 05:38:11 +0000125 /* Enable timer */
126 timer_init();
127
Matt Porterea7b96b2013-03-15 10:07:10 +0000128 /* Setup the PLLs and the clocks for the peripherals */
129 pll_init();
130
131 /* Enable RTC32K clock */
132 rtc32k_enable();
133
134 /* Set UART pins */
135 enable_uart0_pin_mux();
136
137 /* Set MMC pins */
138 enable_mmc1_pin_mux();
139
Matt Portercd874642013-03-20 05:38:14 +0000140 /* Set Ethernet pins */
141 enable_enet_pin_mux();
142
Matt Porterea7b96b2013-03-15 10:07:10 +0000143 /* Enable UART */
144 uart_enable();
145
146 gd = &gdata;
147
148 preloader_console_init();
149
150 config_dmm(&evm_lisa_map_regs);
151
152 config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data,
153 &evm_ddr2_emif0_regs, 0);
154 config_ddr(0, 0, &evm_ddr2_data, &evm_ddr2_cctrl_data,
155 &evm_ddr2_emif1_regs, 1);
156#endif
157}
158
159/*
160 * Basic board specific setup. Pinmux has been handled already.
161 */
162int board_init(void)
163{
164 gd->bd->bi_boot_params = PHYS_DRAM_1 + 0x100;
165 return 0;
166}
167
168#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_GENERIC_MMC)
169int board_mmc_init(bd_t *bis)
170{
171 omap_mmc_init(1, 0, 0, -1, -1);
172
173 return 0;
174}
175#endif
Matt Portercd874642013-03-20 05:38:14 +0000176
177#ifdef CONFIG_DRIVER_TI_CPSW
178static void cpsw_control(int enabled)
179{
180 /* VTP can be added here */
181
182 return;
183}
184
185static struct cpsw_slave_data cpsw_slaves[] = {
186 {
187 .slave_reg_ofs = 0x50,
188 .sliver_reg_ofs = 0x700,
189 .phy_id = 1,
190 },
191 {
192 .slave_reg_ofs = 0x90,
193 .sliver_reg_ofs = 0x740,
194 .phy_id = 0,
195 },
196};
197
198static struct cpsw_platform_data cpsw_data = {
199 .mdio_base = CPSW_MDIO_BASE,
200 .cpsw_base = CPSW_BASE,
201 .mdio_div = 0xff,
202 .channels = 8,
203 .cpdma_reg_ofs = 0x100,
204 .slaves = 1,
205 .slave_data = cpsw_slaves,
206 .ale_reg_ofs = 0x600,
207 .ale_entries = 1024,
208 .host_port_reg_ofs = 0x28,
209 .hw_stats_reg_ofs = 0x400,
210 .mac_control = (1 << 5),
211 .control = cpsw_control,
212 .host_port_num = 0,
213 .version = CPSW_CTRL_VERSION_1,
214};
215#endif
216
217int board_eth_init(bd_t *bis)
218{
219 uint8_t mac_addr[6];
220 uint32_t mac_hi, mac_lo;
221
222 if (!eth_getenv_enetaddr("ethaddr", mac_addr)) {
223 printf("<ethaddr> not set. Reading from E-fuse\n");
224 /* try reading mac address from efuse */
225 mac_lo = readl(&cdev->macid0l);
226 mac_hi = readl(&cdev->macid0h);
227 mac_addr[0] = mac_hi & 0xFF;
228 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
229 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
230 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
231 mac_addr[4] = mac_lo & 0xFF;
232 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
233
234 if (is_valid_ether_addr(mac_addr))
235 eth_setenv_enetaddr("ethaddr", mac_addr);
236 else
237 printf("Unable to read MAC address. Set <ethaddr>\n");
238 }
239
240 return cpsw_register(&cpsw_data);
241}