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Dimitar Penev051a5f32011-11-25 16:05:54 -05001/*
2 * U-boot - Configuration file for BR4 Appliance
3 *
4 * based on bf537-stamp.h
5 * Copyright (c) Switchfin Org. <dpn@switchfin.org>
6 */
7
8#ifndef __CONFIG_BR4_H__
9#define __CONFIG_BR4_H__
10
11#include <asm/config-pre.h>
12
13
14/*
15 * Processor Settings
16 */
17#define CONFIG_BFIN_CPU bf537-0.3
18#define CONFIG_BFIN_BOOT_MODE BFIN_BOOT_SPI_MASTER
19
20
21/*
22 * Clock Settings
23 * CCLK = (CLKIN * VCO_MULT) / CCLK_DIV
24 * SCLK = (CLKIN * VCO_MULT) / SCLK_DIV
25 */
26/* CONFIG_CLKIN_HZ is any value in Hz */
27#define CONFIG_CLKIN_HZ 25000000
28/* CLKIN_HALF controls the DF bit in PLL_CTL 0 = CLKIN */
29/* 1 = CLKIN / 2 */
30#define CONFIG_CLKIN_HALF 0
31/* PLL_BYPASS controls the BYPASS bit in PLL_CTL 0 = do not bypass */
32/* 1 = bypass PLL */
33#define CONFIG_PLL_BYPASS 0
34/* VCO_MULT controls the MSEL (multiplier) bits in PLL_CTL */
35/* Values can range from 0-63 (where 0 means 64) */
36#define CONFIG_VCO_MULT 24
37/* CCLK_DIV controls the core clock divider */
38/* Values can be 1, 2, 4, or 8 ONLY */
39#define CONFIG_CCLK_DIV 1
40/* SCLK_DIV controls the system clock divider */
41/* Values can range from 1-15 */
42#define CONFIG_SCLK_DIV 5
43
44
45/*
46 * Memory Settings
47 */
48#define CONFIG_MEM_ADD_WDTH 10
49#define CONFIG_MEM_SIZE 64
50
51#define CONFIG_EBIU_SDRRC_VAL 0x306
52#define CONFIG_EBIU_SDGCTL_VAL 0x8091998d
53
54#define CONFIG_EBIU_AMGCTL_VAL 0xFF
55#define CONFIG_EBIU_AMBCTL0_VAL 0x7BB07BB0
56#define CONFIG_EBIU_AMBCTL1_VAL 0xFFC27BB0
57
58#define CONFIG_SYS_MONITOR_LEN (512 * 1024)
59#define CONFIG_SYS_MALLOC_LEN (384 * 1024)
60
61
62/*
63 * Network Settings
64 */
65#ifndef __ADSPBF534__
66#define ADI_CMDS_NETWORK 1
67#define CONFIG_BFIN_MAC
68#define CONFIG_NETCONSOLE
69#endif
70#define CONFIG_HOSTNAME br4
71#define CONFIG_TFTP_BLOCKSIZE 4404
72/* Uncomment next line to use fixed MAC address */
73/* #define CONFIG_ETHADDR 5c:38:1a:80:a7:00 */
74
75
76/*
77 * Flash Settings
78 */
79#define CONFIG_SYS_NO_FLASH /* We have no parallel FLASH */
80
81
82/*
83 * SPI Settings
84 */
85#define CONFIG_BFIN_SPI
86#define CONFIG_ENV_SPI_MAX_HZ 30000000
87#define CONFIG_SF_DEFAULT_SPEED 30000000
88#define CONFIG_SPI_FLASH
89#define CONFIG_SPI_FLASH_STMICRO
90
91
92/*
93 * Env Storage Settings
94 */
95#define CONFIG_ENV_IS_IN_SPI_FLASH
96#define CONFIG_ENV_OFFSET 0x10000
97#define CONFIG_ENV_SIZE 0x2000
98#define CONFIG_ENV_SECT_SIZE 0x10000
99#define CONFIG_ENV_IS_EMBEDDED_IN_LDR
100
101
102/*
103 * I2C Settings
104 */
105#define CONFIG_BFIN_TWI_I2C
106#define CONFIG_HARD_I2C
107
108
109/*
110 * NAND Settings
111 */
112#define CONFIG_NAND_PLAT
113#define CONFIG_SYS_NAND_BASE 0x20000000
114#define CONFIG_SYS_MAX_NAND_DEVICE 1
115
116#define BFIN_NAND_CLE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 2))
117#define BFIN_NAND_ALE(chip) ((unsigned long)(chip)->IO_ADDR_W | (1 << 1))
118#define BFIN_NAND_WRITE(addr, cmd) \
119 do { \
120 bfin_write8(addr, cmd); \
121 SSYNC(); \
122 } while (0)
123
124#define NAND_PLAT_WRITE_CMD(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_CLE(chip), cmd)
125#define NAND_PLAT_WRITE_ADR(chip, cmd) BFIN_NAND_WRITE(BFIN_NAND_ALE(chip), cmd)
126#define NAND_PLAT_GPIO_DEV_READY GPIO_PF9
127
128/*
129 * Misc Settings
130 */
131#define CONFIG_BAUDRATE 115200
132#define CONFIG_RTC_BFIN
133#define CONFIG_UART_CONSOLE 0
134#define CONFIG_SYS_PROMPT "br4>"
135#define CONFIG_BOOTCOMMAND "run nandboot"
136#define CONFIG_BOOTDELAY 2
137#define CONFIG_LOADADDR 0x2000000
Dimitar Penev051a5f32011-11-25 16:05:54 -0500138
139/*
140 * Pull in common ADI header for remaining command/environment setup
141 */
142#include <configs/bfin_adi_common.h>
143
144/*
145 * Overwrite some settings defined in bfin_adi_common.h
146 */
147#undef NAND_ENV_SETTINGS
148#define NAND_ENV_SETTINGS \
149 "nandargs=set bootargs " CONFIG_BOOTARGS "\0" \
150 "nandboot=" \
151 "nand read $(loadaddr) 0x0 0x900000;" \
152 "run nandargs;" \
153 "bootm" \
154 "\0"
155
156#endif