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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> | |
12 | #include <asm/cache.h> | |
13 | #include <asm/io.h> | |
14 | #include <asm/arch/clock.h> | |
15 | #include <asm/arch/cpu.h> | |
16 | #include <asm/arch/ddr_defs.h> | |
17 | #include <asm/arch/hardware.h> | |
18 | #include <asm/arch/sys_proto.h> | |
19 | #include <asm/arch/mmc_host_def.h> | |
20 | #include <asm/arch/mem.h> | |
21 | #include <asm/arch/mux.h> | |
22 | ||
23 | DECLARE_GLOBAL_DATA_PTR; | |
24 | ||
25 | int board_init(void) | |
26 | { | |
1d7f6ad2 | 27 | gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; |
77e99277 TR |
28 | #if defined(CONFIG_NAND) |
29 | gpmc_init(); | |
30 | #endif | |
425faf74 TA |
31 | return 0; |
32 | } | |
33 | ||
34 | #ifdef CONFIG_SPL_BUILD | |
425faf74 TA |
35 | static struct module_pin_mux mmc_pin_mux[] = { |
36 | { OFFSET(pincntl157), PULLDOWN_EN | PULLUDDIS | MODE(0x0) }, | |
37 | { OFFSET(pincntl158), PULLDOWN_EN | PULLUDEN | MODE(0x0) }, | |
38 | { OFFSET(pincntl159), PULLUP_EN | PULLUDDIS | MODE(0x0) }, | |
39 | { OFFSET(pincntl160), PULLUP_EN | PULLUDDIS | MODE(0x0) }, | |
40 | { OFFSET(pincntl161), PULLUP_EN | PULLUDDIS | MODE(0x0) }, | |
41 | { OFFSET(pincntl162), PULLUP_EN | PULLUDDIS | MODE(0x0) }, | |
42 | { OFFSET(pincntl163), PULLUP_EN | PULLUDDIS | MODE(0x0) }, | |
43 | { -1 }, | |
44 | }; | |
45 | ||
86277339 | 46 | void set_uart_mux_conf(void) {} |
425faf74 | 47 | |
86277339 TR |
48 | void set_mux_conf_regs(void) |
49 | { | |
50 | configure_module_pin_mux(mmc_pin_mux); | |
51 | } | |
425faf74 TA |
52 | |
53 | /* | |
86277339 TR |
54 | * EMIF Paramters. Refer the EMIF register documentation and the |
55 | * memory datasheet for details. This is for 796 MHz. | |
425faf74 | 56 | */ |
86277339 TR |
57 | #define EMIF_TIM1 0x1779C9FE |
58 | #define EMIF_TIM2 0x50608074 | |
59 | #define EMIF_TIM3 0x009F857F | |
60 | #define EMIF_SDREF 0x10001841 | |
61 | #define EMIF_SDCFG 0x62A73832 | |
62 | #define EMIF_PHYCFG 0x00000110 | |
63 | static const struct emif_regs ddr3_emif_regs = { | |
64 | .sdram_config = EMIF_SDCFG, | |
65 | .ref_ctrl = EMIF_SDREF, | |
66 | .sdram_tim1 = EMIF_TIM1, | |
67 | .sdram_tim2 = EMIF_TIM2, | |
68 | .sdram_tim3 = EMIF_TIM3, | |
69 | .emif_ddr_phy_ctlr_1 = EMIF_PHYCFG, | |
425faf74 TA |
70 | }; |
71 | ||
72 | static const struct cmd_control ddr3_ctrl = { | |
73 | .cmd0csratio = 0x100, | |
425faf74 | 74 | .cmd0iclkout = 0x001, |
425faf74 | 75 | .cmd1csratio = 0x100, |
425faf74 | 76 | .cmd1iclkout = 0x001, |
425faf74 | 77 | .cmd2csratio = 0x100, |
425faf74 TA |
78 | .cmd2iclkout = 0x001, |
79 | }; | |
80 | ||
86277339 TR |
81 | /* These values are obtained from the CCS app */ |
82 | #define RD_DQS_GATE (0x1B3) | |
83 | #define RD_DQS (0x35) | |
84 | #define WR_DQS (0x93) | |
85 | static struct ddr_data ddr3_data = { | |
86 | .datardsratio0 = ((RD_DQS<<10) | (RD_DQS<<0)), | |
87 | .datawdsratio0 = ((WR_DQS<<10) | (WR_DQS<<0)), | |
88 | .datawiratio0 = ((0x20<<10) | 0x20<<0), | |
89 | .datagiratio0 = ((0x20<<10) | 0x20<<0), | |
90 | .datafwsratio0 = ((RD_DQS_GATE<<10) | (RD_DQS_GATE<<0)), | |
91 | .datawrsratio0 = (((WR_DQS+0x40)<<10) | ((WR_DQS+0x40)<<0)), | |
425faf74 TA |
92 | }; |
93 | ||
86277339 TR |
94 | static const struct dmm_lisa_map_regs evm_lisa_map_regs = { |
95 | .dmm_lisa_map_0 = 0x00000000, | |
96 | .dmm_lisa_map_1 = 0x00000000, | |
97 | .dmm_lisa_map_2 = 0x80640300, | |
98 | .dmm_lisa_map_3 = 0xC0640320, | |
425faf74 TA |
99 | }; |
100 | ||
425faf74 TA |
101 | void sdram_init(void) |
102 | { | |
86277339 TR |
103 | /* |
104 | * Pass in our DDR3 config information and that we have 2 EMIFs to | |
105 | * configure. | |
106 | */ | |
107 | config_ddr(&ddr3_data, &ddr3_ctrl, &ddr3_emif_regs, | |
108 | &evm_lisa_map_regs, 2); | |
425faf74 TA |
109 | } |
110 | #endif /* CONFIG_SPL_BUILD */ |