blob: 3aa5a780f4bd5c9267b3503b2c38de87e94ca87a [file] [log] [blame]
Prabhakar Kushwahac5dfe6e2014-04-08 19:13:44 +05301/* Copyright 2013 Freescale Semiconductor, Inc.
2 *
3 * SPDX-License-Identifier: GPL-2.0+
4 */
5
6#include <common.h>
7#include <asm/spl.h>
8#include <malloc.h>
9#include <ns16550.h>
10#include <nand.h>
11#include <i2c.h>
12#include "../common/qixis.h"
13#include "b4860qds_qixis.h"
14
15DECLARE_GLOBAL_DATA_PTR;
16
17phys_size_t get_effective_memsize(void)
18{
19 return CONFIG_SYS_L3_SIZE;
20}
21
22unsigned long get_board_sys_clk(void)
23{
24 u8 sysclk_conf = QIXIS_READ(brdcfg[1]);
25
26 switch ((sysclk_conf & 0x0C) >> 2) {
27 case QIXIS_CLK_100:
28 return 100000000;
29 case QIXIS_CLK_125:
30 return 125000000;
31 case QIXIS_CLK_133:
32 return 133333333;
33 }
34 return 66666666;
35}
36
37unsigned long get_board_ddr_clk(void)
38{
39 u8 ddrclk_conf = QIXIS_READ(brdcfg[1]);
40
41 switch (ddrclk_conf & 0x03) {
42 case QIXIS_CLK_100:
43 return 100000000;
44 case QIXIS_CLK_125:
45 return 125000000;
46 case QIXIS_CLK_133:
47 return 133333333;
48 }
49 return 66666666;
50}
51
52void board_init_f(ulong bootflag)
53{
54 u32 plat_ratio, sys_clk, uart_clk;
55 ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
56
57 /* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
58 memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
59
60 /* Update GD pointer */
61 gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
62
63 /* compiler optimization barrier needed for GCC >= 3.4 */
64 __asm__ __volatile__("" : : : "memory");
65
66 console_init_f();
67
68 /* initialize selected port with appropriate baud rate */
69 sys_clk = get_board_sys_clk();
70 plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
71 uart_clk = sys_clk * plat_ratio / 2;
72
73 NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
74 uart_clk / 16 / CONFIG_BAUDRATE);
75
76 relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
77}
78
79void board_init_r(gd_t *gd, ulong dest_addr)
80{
81 bd_t *bd;
82
83 bd = (bd_t *)(gd + sizeof(gd_t));
84 memset(bd, 0, sizeof(bd_t));
85 gd->bd = bd;
86 bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
87 bd->bi_memsize = CONFIG_SYS_L3_SIZE;
88
89 probecpu();
90 get_clocks();
91 mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
92 CONFIG_SPL_RELOC_MALLOC_SIZE);
93
94#ifndef CONFIG_SPL_NAND_BOOT
95 env_init();
96 env_relocate();
97#else
98 /* relocate environment function pointers etc. */
99 nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
100 (uchar *)CONFIG_ENV_ADDR);
101 gd->env_addr = (ulong)(CONFIG_ENV_ADDR);
102 gd->env_valid = 1;
103#endif
104
105 i2c_init_all();
106
107 puts("\n\n");
108
109 gd->ram_size = initdram(0);
110
111#ifdef CONFIG_SPL_NAND_BOOT
112 nand_boot();
113#endif
114}