1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
Index: git/include/configs/at91sam9x5ek.h
===================================================================
--- git.orig/include/configs/at91sam9x5ek.h 2014-10-14 16:14:47.208402129 -0500
+++ git/include/configs/at91sam9x5ek.h 2014-10-21 11:20:03.467770688 -0500
@@ -54,6 +54,7 @@
#define CONFIG_USART_ID ATMEL_ID_SYS
/* LCD */
+/* MTCDT has no LCD
#define CONFIG_LCD
#define LCD_BPP LCD_COLOR16
#define LCD_OUTPUT_BPP 24
@@ -65,8 +66,14 @@
#define CONFIG_ATMEL_HLCD
#define CONFIG_ATMEL_LCD_RGB565
#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+*/
-#define CONFIG_BOOTDELAY 3
+/*STATUS LED*/
+#define BOOT_STATUS_LED AT91_PIN_PA24
+
+#define CONFIG_BOOTDELAY 0
+/* check for keypress even if bootdelay is 0 */
+#define CONFIG_ZERO_BOOTDELAY_CHECK
/*
* BOOTP options
@@ -120,12 +127,14 @@
/* our CLE is AD22 */
#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PD4
-#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PD5
+/* MTCDT nand ready is PC31 */
+#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC31
/* PMECC & PMERRLOC */
#define CONFIG_ATMEL_NAND_HWECC 1
#define CONFIG_ATMEL_NAND_HW_PMECC 1
-#define CONFIG_PMECC_CAP 2
+/* MTCDT: 4-bit PMECC */
+#define CONFIG_PMECC_CAP 4
#define CONFIG_PMECC_SECTOR_SIZE 512
#define CONFIG_PMECC_INDEX_TABLE_OFFSET 0x8000
@@ -143,6 +152,8 @@
#define CONFIG_RMII
#define CONFIG_NET_RETRY_COUNT 20
#define CONFIG_MACB_SEARCH_PHY
+/* enable MII command */
+#define CONFIG_CMD_MII 1
#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
@@ -153,11 +164,10 @@
/* bootstrap + u-boot + env + linux in nandflash */
#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_OFFSET 0xc0000
-#define CONFIG_ENV_OFFSET_REDUND 0x100000
+#define CONFIG_ENV_OFFSET_REDUND 0x160000
#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
-#define CONFIG_BOOTCOMMAND "nand read " \
- "0x22000000 0x200000 0x300000; " \
- "bootm 0x22000000"
+/* MTCDT: read from env variables for boot */
+#define CONFIG_BOOTCOMMAND "nboot.jffs2 ${loadaddr} 0 ${kernel_addr}; bootm ${loadaddr}"
#else
#ifdef CONFIG_SYS_USE_SPIFLASH
/* bootstrap + u-boot + env + linux in spi flash */
@@ -172,11 +182,8 @@
#endif
#endif
-#define CONFIG_BOOTARGS "mem=128M console=ttyS0,115200 " \
- "mtdparts=atmel_nand:" \
- "8M(bootstrap/uboot/kernel)ro,-(rootfs) " \
- "root=/dev/mtdblock1 rw " \
- "rootfstype=ubifs ubi.mtd=1 root=ubi0:rootfs"
+/* MTCDT uses jffs2 */
+#define CONFIG_BOOTARGS "mem=128M console=ttyS0,115200 root=/dev/mtdblock8 ro rootfstype=jffs2"
#define CONFIG_BAUDRATE 115200
@@ -199,4 +206,22 @@
#error CONFIG_USE_IRQ not supported
#endif
+/* MTCDT defaults */
+#define CONFIG_ENV_OVERWRITE 1 /* Allow Overwrite of serial# & ethaddr */
+#define CONFIG_ETHADDR 00:08:00:87:00:02
+#define CONFIG_IPADDR 192.168.2.1
+#define CONFIG_NETMASK 255.255.255.0
+#define CONFIG_SERVERIP 192.168.2.2
+#define CONFIG_HOSTNAME AT91SAM9G25
+#define CONFIG_LOADADDR 0x22000000
+
+/* MTCDT - enable watchdog */
+#define CONFIG_AT91SAM9_WATCHDOG 1
+#define CONFIG_HW_WATCHDOG 1
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "kernel_addr=0x200000\0" \
+ ""
+
+
#endif
Index: git/board/atmel/at91sam9x5ek/at91sam9x5ek.c
===================================================================
--- git.orig/board/atmel/at91sam9x5ek/at91sam9x5ek.c 2014-10-14 16:14:46.920406821 -0500
+++ git/board/atmel/at91sam9x5ek/at91sam9x5ek.c 2014-10-14 16:14:47.664394700 -0500
@@ -61,7 +61,8 @@
csa = readl(&matrix->ebicsa);
csa |= AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA;
/* NAND flash on D16 */
- csa |= AT91_MATRIX_NFD0_ON_D16;
+ /* MTCDT: nand flash is set up by bootstrap, so leave it alone here */
+ /* csa |= AT91_MATRIX_NFD0_ON_D16; */
/* Configure IO drive */
csa &= ~AT91_MATRIX_EBI_EBI_IOSR_NORMAL;
@@ -266,6 +267,9 @@
int board_init(void)
{
+ /* Set Status LED High */
+ at91_set_gpio_output(BOOT_STATUS_LED, 0);
+
/* arch number of AT91SAM9X5EK-Board */
gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9X5EK;
@@ -288,6 +292,7 @@
#ifdef CONFIG_LCD
at91sam9x5ek_lcd_hw_init();
#endif
+
return 0;
}
@@ -297,3 +302,4 @@
CONFIG_SYS_SDRAM_SIZE);
return 0;
}
+
|
