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425faf74 TA |
1 | /* |
2 | * evm.c | |
3 | * | |
4 | * Copyright (C) 2013, Adeneo Embedded <www.adeneo-embedded.com> | |
5 | * Antoine Tenart, <[email protected]> | |
6 | * | |
7 | * SPDX-License-Identifier: GPL-2.0+ | |
8 | */ | |
9 | ||
10 | #include <common.h> | |
11 | #include <spl.h> | |
de820365 | 12 | #include <netdev.h> |
425faf74 TA |
13 | #include <asm/cache.h> |
14 | #include <asm/io.h> | |
15 | #include <asm/arch/clock.h> | |
16 | #include <asm/arch/cpu.h> | |
17 | #include <asm/arch/ddr_defs.h> | |
18 | #include <asm/arch/hardware.h> | |
19 | #include <asm/arch/sys_proto.h> | |
20 | #include <asm/arch/mmc_host_def.h> | |
21 | #include <asm/arch/mem.h> | |
22 | #include <asm/arch/mux.h> | |
23 | ||
24 | DECLARE_GLOBAL_DATA_PTR; | |
25 | ||
26 | int board_init(void) | |
27 | { | |
1d7f6ad2 | 28 | gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; |
77e99277 TR |
29 | #if defined(CONFIG_NAND) |
30 | gpmc_init(); | |
31 | #endif | |
425faf74 TA |
32 | return 0; |
33 | } | |
34 | ||
de820365 TR |
35 | int board_eth_init(bd_t *bis) |
36 | { | |
37 | uint8_t mac_addr[6]; | |
38 | uint32_t mac_hi, mac_lo; | |
39 | struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; | |
40 | ||
35affd7a | 41 | if (!eth_env_get_enetaddr("ethaddr", mac_addr)) { |
de820365 TR |
42 | printf("<ethaddr> not set. Reading from E-fuse\n"); |
43 | /* try reading mac address from efuse */ | |
44 | mac_lo = readl(&cdev->macid0l); | |
45 | mac_hi = readl(&cdev->macid0h); | |
46 | mac_addr[0] = mac_hi & 0xFF; | |
47 | mac_addr[1] = (mac_hi & 0xFF00) >> 8; | |
48 | mac_addr[2] = (mac_hi & 0xFF0000) >> 16; | |
49 | mac_addr[3] = (mac_hi & 0xFF000000) >> 24; | |
50 | mac_addr[4] = mac_lo & 0xFF; | |
51 | mac_addr[5] = (mac_lo & 0xFF00) >> 8; | |
52 | ||
53 | if (is_valid_ethaddr(mac_addr)) | |
fd1e959e | 54 | eth_env_set_enetaddr("ethaddr", mac_addr); |
de820365 TR |
55 | else |
56 | printf("Unable to read MAC address. Set <ethaddr>\n"); | |
57 | } | |
58 | ||
59 | return davinci_emac_initialize(); | |
60 | } | |
61 | ||
425faf74 | 62 | #ifdef CONFIG_SPL_BUILD |
425faf74 TA |
63 | static struct module_pin_mux mmc_pin_mux[] = { |
64 | { OFFSET(pincntl157), PULLDOWN_EN | PULLUDDIS | MODE(0x0) }, | |
65 | { OFFSET(pincntl158), PULLDOWN_EN | PULLUDEN | MODE(0x0) }, | |
66 | { OFFSET(pincntl159), PULLUP_EN | PULLUDDIS | MODE(0x0) }, | |
67 | { OFFSET(pincntl160), PULLUP_EN | PULLUDDIS | MODE(0x0) }, | |
68 | { OFFSET(pincntl161), PULLUP_EN | PULLUDDIS | MODE(0x0) }, | |
69 | { OFFSET(pincntl162), PULLUP_EN | PULLUDDIS | MODE(0x0) }, | |
70 | { OFFSET(pincntl163), PULLUP_EN | PULLUDDIS | MODE(0x0) }, | |
71 | { -1 }, | |
72 | }; | |
73 | ||
86277339 | 74 | void set_uart_mux_conf(void) {} |
425faf74 | 75 | |
86277339 TR |
76 | void set_mux_conf_regs(void) |
77 | { | |
78 | configure_module_pin_mux(mmc_pin_mux); | |
79 | } | |
425faf74 TA |
80 | |
81 | /* | |
86277339 TR |
82 | * EMIF Paramters. Refer the EMIF register documentation and the |
83 | * memory datasheet for details. This is for 796 MHz. | |
425faf74 | 84 | */ |
86277339 TR |
85 | #define EMIF_TIM1 0x1779C9FE |
86 | #define EMIF_TIM2 0x50608074 | |
87 | #define EMIF_TIM3 0x009F857F | |
88 | #define EMIF_SDREF 0x10001841 | |
89 | #define EMIF_SDCFG 0x62A73832 | |
90 | #define EMIF_PHYCFG 0x00000110 | |
91 | static const struct emif_regs ddr3_emif_regs = { | |
92 | .sdram_config = EMIF_SDCFG, | |
93 | .ref_ctrl = EMIF_SDREF, | |
94 | .sdram_tim1 = EMIF_TIM1, | |
95 | .sdram_tim2 = EMIF_TIM2, | |
96 | .sdram_tim3 = EMIF_TIM3, | |
97 | .emif_ddr_phy_ctlr_1 = EMIF_PHYCFG, | |
425faf74 TA |
98 | }; |
99 | ||
100 | static const struct cmd_control ddr3_ctrl = { | |
101 | .cmd0csratio = 0x100, | |
425faf74 | 102 | .cmd0iclkout = 0x001, |
425faf74 | 103 | .cmd1csratio = 0x100, |
425faf74 | 104 | .cmd1iclkout = 0x001, |
425faf74 | 105 | .cmd2csratio = 0x100, |
425faf74 TA |
106 | .cmd2iclkout = 0x001, |
107 | }; | |
108 | ||
86277339 TR |
109 | /* These values are obtained from the CCS app */ |
110 | #define RD_DQS_GATE (0x1B3) | |
111 | #define RD_DQS (0x35) | |
112 | #define WR_DQS (0x93) | |
113 | static struct ddr_data ddr3_data = { | |
114 | .datardsratio0 = ((RD_DQS<<10) | (RD_DQS<<0)), | |
115 | .datawdsratio0 = ((WR_DQS<<10) | (WR_DQS<<0)), | |
116 | .datawiratio0 = ((0x20<<10) | 0x20<<0), | |
117 | .datagiratio0 = ((0x20<<10) | 0x20<<0), | |
118 | .datafwsratio0 = ((RD_DQS_GATE<<10) | (RD_DQS_GATE<<0)), | |
119 | .datawrsratio0 = (((WR_DQS+0x40)<<10) | ((WR_DQS+0x40)<<0)), | |
425faf74 TA |
120 | }; |
121 | ||
86277339 TR |
122 | static const struct dmm_lisa_map_regs evm_lisa_map_regs = { |
123 | .dmm_lisa_map_0 = 0x00000000, | |
124 | .dmm_lisa_map_1 = 0x00000000, | |
125 | .dmm_lisa_map_2 = 0x80640300, | |
126 | .dmm_lisa_map_3 = 0xC0640320, | |
425faf74 TA |
127 | }; |
128 | ||
425faf74 TA |
129 | void sdram_init(void) |
130 | { | |
86277339 TR |
131 | /* |
132 | * Pass in our DDR3 config information and that we have 2 EMIFs to | |
133 | * configure. | |
134 | */ | |
135 | config_ddr(&ddr3_data, &ddr3_ctrl, &ddr3_emif_regs, | |
136 | &evm_lisa_map_regs, 2); | |
425faf74 TA |
137 | } |
138 | #endif /* CONFIG_SPL_BUILD */ |