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1 | /* | |
2 | * Bluewater Systems Snapper 9260 and 9G20 modules | |
3 | * | |
4 | * (C) Copyright 2011 Bluewater Systems | |
5 | * Author: Andre Renaud <andre@bluewatersys.com> | |
6 | * Author: Ryan Mallon <ryan@bluewatersys.com> | |
7 | * | |
8 | * SPDX-License-Identifier: GPL-2.0+ | |
9 | */ | |
10 | ||
11 | #ifndef __CONFIG_H | |
12 | #define __CONFIG_H | |
13 | ||
14 | /* SoC type is defined in boards.cfg */ | |
15 | #include <asm/hardware.h> | |
16 | #include <linux/sizes.h> | |
17 | ||
18 | #define CONFIG_SYS_TEXT_BASE 0x21f00000 | |
19 | ||
20 | /* ARM asynchronous clock */ | |
21 | #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* External Crystal, in Hz */ | |
22 | #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 | |
23 | ||
24 | /* CPU */ | |
25 | #define CONFIG_ARCH_CPU_INIT | |
26 | ||
27 | #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */ | |
28 | #define CONFIG_SETUP_MEMORY_TAGS | |
29 | #define CONFIG_INITRD_TAG | |
30 | #define CONFIG_SKIP_LOWLEVEL_INIT | |
31 | ||
32 | /* SDRAM */ | |
33 | #define CONFIG_NR_DRAM_BANKS 1 | |
34 | #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1 | |
35 | #define CONFIG_SYS_SDRAM_SIZE (64 * 1024 * 1024) /* 64MB */ | |
36 | #define CONFIG_SYS_INIT_SP_ADDR (ATMEL_BASE_SRAM1 + 0x1000 - \ | |
37 | GENERATED_GBL_DATA_SIZE) | |
38 | ||
39 | /* Mem test settings */ | |
40 | #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE | |
41 | #define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + (1024 * 1024)) | |
42 | ||
43 | /* NAND Flash */ | |
44 | #define CONFIG_NAND_ATMEL | |
45 | #define CONFIG_SYS_MAX_NAND_DEVICE 1 | |
46 | #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3 | |
47 | #define CONFIG_SYS_NAND_DBW_8 | |
48 | #define CONFIG_SYS_NAND_MASK_ALE (1 << 21) /* AD21 */ | |
49 | #define CONFIG_SYS_NAND_MASK_CLE (1 << 22) /* AD22 */ | |
50 | #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14 | |
51 | #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13 | |
52 | ||
53 | /* Ethernet */ | |
54 | #define CONFIG_MACB | |
55 | #define CONFIG_RMII | |
56 | #define CONFIG_NET_RETRY_COUNT 20 | |
57 | #define CONFIG_RESET_PHY_R | |
58 | #define CONFIG_AT91_WANTS_COMMON_PHY | |
59 | #define CONFIG_TFTP_PORT | |
60 | #define CONFIG_TFTP_TSIZE | |
61 | ||
62 | /* USB */ | |
63 | #define CONFIG_USB_ATMEL | |
64 | #define CONFIG_USB_ATMEL_CLK_SEL_PLLB | |
65 | #define CONFIG_USB_OHCI_NEW | |
66 | #define CONFIG_SYS_USB_OHCI_CPU_INIT | |
67 | #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE | |
68 | #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260" | |
69 | #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2 | |
70 | ||
71 | /* GPIOs and IO expander */ | |
72 | #define CONFIG_ATMEL_LEGACY | |
73 | #define CONFIG_AT91_GPIO | |
74 | #define CONFIG_AT91_GPIO_PULLUP 1 | |
75 | #define CONFIG_PCA953X | |
76 | #define CONFIG_SYS_I2C_PCA953X_ADDR 0x28 | |
77 | #define CONFIG_SYS_I2C_PCA953X_WIDTH { {0x28, 16} } | |
78 | ||
79 | /* UARTs/Serial console */ | |
80 | #define CONFIG_ATMEL_USART | |
81 | #ifndef CONFIG_DM_SERIAL | |
82 | #define CONFIG_USART_BASE ATMEL_BASE_DBGU | |
83 | #define CONFIG_USART_ID ATMEL_ID_SYS | |
84 | #endif | |
85 | ||
86 | /* I2C - Bit-bashed */ | |
87 | #define CONFIG_SYS_I2C | |
88 | #define CONFIG_SYS_I2C_SOFT /* I2C bit-banged */ | |
89 | #define CONFIG_SYS_I2C_SOFT_SPEED 100000 | |
90 | #define CONFIG_SYS_I2C_SOFT_SLAVE 0x7F | |
91 | #define CONFIG_SOFT_I2C_READ_REPEATED_START | |
92 | #define I2C_INIT do { \ | |
93 | at91_set_gpio_output(AT91_PIN_PA23, 1); \ | |
94 | at91_set_gpio_output(AT91_PIN_PA24, 1); \ | |
95 | at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1); \ | |
96 | at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1); \ | |
97 | } while (0) | |
98 | #define I2C_SOFT_DECLARATIONS | |
99 | #define I2C_ACTIVE | |
100 | #define I2C_TRISTATE at91_set_gpio_input(AT91_PIN_PA23, 1); | |
101 | #define I2C_READ at91_get_gpio_value(AT91_PIN_PA23); | |
102 | #define I2C_SDA(bit) do { \ | |
103 | if (bit) { \ | |
104 | at91_set_gpio_input(AT91_PIN_PA23, 1); \ | |
105 | } else { \ | |
106 | at91_set_gpio_output(AT91_PIN_PA23, 1); \ | |
107 | at91_set_gpio_value(AT91_PIN_PA23, bit); \ | |
108 | } \ | |
109 | } while (0) | |
110 | #define I2C_SCL(bit) at91_set_pio_value(AT91_PIO_PORTA, 24, bit) | |
111 | #define I2C_DELAY udelay(2) | |
112 | ||
113 | /* Boot options */ | |
114 | #define CONFIG_SYS_LOAD_ADDR 0x23000000 | |
115 | ||
116 | #define CONFIG_BOOTP_BOOTFILESIZE | |
117 | #define CONFIG_BOOTP_BOOTPATH | |
118 | #define CONFIG_BOOTP_GATEWAY | |
119 | #define CONFIG_BOOTP_HOSTNAME | |
120 | ||
121 | /* Environment settings */ | |
122 | #define CONFIG_ENV_OFFSET (512 << 10) | |
123 | #define CONFIG_ENV_SIZE (256 << 10) | |
124 | #define CONFIG_ENV_OVERWRITE | |
125 | ||
126 | /* Console settings */ | |
127 | #define CONFIG_SYS_LONGHELP | |
128 | #define CONFIG_CMDLINE_EDITING | |
129 | #define CONFIG_AUTO_COMPLETE | |
130 | ||
131 | /* U-Boot memory settings */ | |
132 | #define CONFIG_SYS_MALLOC_LEN (1 << 20) | |
133 | ||
134 | #endif /* __CONFIG_H */ |