i2c: Rename CONFIG_SYS_I2C to CONFIG_SYS_I2C_LEGACY
[platform/kernel/u-boot.git] / include / configs / snapper9260.h
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Bluewater Systems Snapper 9260 and 9G20 modules
4  *
5  * (C) Copyright 2011 Bluewater Systems
6  *   Author: Andre Renaud <andre@bluewatersys.com>
7  *   Author: Ryan Mallon <ryan@bluewatersys.com>
8  */
9
10 #ifndef __CONFIG_H
11 #define __CONFIG_H
12
13 /* SoC type is defined in boards.cfg */
14 #include <asm/hardware.h>
15 #include <linux/sizes.h>
16
17 /* ARM asynchronous clock */
18 #define CONFIG_SYS_AT91_MAIN_CLOCK      18432000 /* External Crystal, in Hz */
19 #define CONFIG_SYS_AT91_SLOW_CLOCK      32768
20
21 /* CPU */
22
23 #define CONFIG_CMDLINE_TAG              /* enable passing of ATAGs      */
24 #define CONFIG_SETUP_MEMORY_TAGS
25 #define CONFIG_INITRD_TAG
26 #define CONFIG_SKIP_LOWLEVEL_INIT
27
28 /* SDRAM */
29 #define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_CS1
30 #define CONFIG_SYS_SDRAM_SIZE           (64 * 1024 * 1024) /* 64MB */
31 #define CONFIG_SYS_INIT_SP_ADDR         (ATMEL_BASE_SRAM1 + 0x1000 - \
32                                          GENERATED_GBL_DATA_SIZE)
33
34 /* Mem test settings */
35
36 /* NAND Flash */
37 #define CONFIG_SYS_MAX_NAND_DEVICE      1
38 #define CONFIG_SYS_NAND_BASE            ATMEL_BASE_CS3
39 #define CONFIG_SYS_NAND_DBW_8
40 #define CONFIG_SYS_NAND_MASK_ALE        (1 << 21) /* AD21 */
41 #define CONFIG_SYS_NAND_MASK_CLE        (1 << 22) /* AD22 */
42 #define CONFIG_SYS_NAND_ENABLE_PIN      AT91_PIN_PC14
43 #define CONFIG_SYS_NAND_READY_PIN       AT91_PIN_PC13
44
45 /* Ethernet */
46 #define CONFIG_MACB
47 #define CONFIG_RMII
48 #define CONFIG_NET_RETRY_COUNT          20
49 #define CONFIG_RESET_PHY_R
50 #define CONFIG_AT91_WANTS_COMMON_PHY
51 #define CONFIG_TFTP_PORT
52
53 /* USB */
54 #define CONFIG_USB_ATMEL
55 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
56 #define CONFIG_USB_OHCI_NEW
57 #define CONFIG_SYS_USB_OHCI_CPU_INIT
58 #define CONFIG_SYS_USB_OHCI_REGS_BASE   ATMEL_UHP_BASE
59 #define CONFIG_SYS_USB_OHCI_SLOT_NAME   "at91sam9260"
60 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS      2
61
62 /* GPIOs and IO expander */
63 #define CONFIG_ATMEL_LEGACY
64 #define CONFIG_AT91_GPIO_PULLUP         1
65 #define CONFIG_PCA953X
66 #define CONFIG_SYS_I2C_PCA953X_ADDR     0x28
67 #define CONFIG_SYS_I2C_PCA953X_WIDTH    { {0x28, 16} }
68
69 /* UARTs/Serial console */
70 #ifndef CONFIG_DM_SERIAL
71 #define CONFIG_USART_BASE               ATMEL_BASE_DBGU
72 #define CONFIG_USART_ID                 ATMEL_ID_SYS
73 #endif
74
75 /* I2C - Bit-bashed */
76 #define CONFIG_SYS_I2C_LEGACY
77 #define CONFIG_SYS_I2C_SOFT             /* I2C bit-banged */
78 #define CONFIG_SYS_I2C_SOFT_SPEED       100000
79 #define CONFIG_SYS_I2C_SOFT_SLAVE       0x7F
80 #define CONFIG_SOFT_I2C_READ_REPEATED_START
81 #define I2C_INIT do {                                                   \
82                 at91_set_gpio_output(AT91_PIN_PA23, 1);                 \
83                 at91_set_gpio_output(AT91_PIN_PA24, 1);                 \
84                 at91_set_pio_multi_drive(AT91_PIO_PORTA, 23, 1);        \
85                 at91_set_pio_multi_drive(AT91_PIO_PORTA, 24, 1);        \
86         } while (0)
87 #define I2C_SOFT_DECLARATIONS
88 #define I2C_ACTIVE
89 #define I2C_TRISTATE    at91_set_gpio_input(AT91_PIN_PA23, 1);
90 #define I2C_READ        at91_get_gpio_value(AT91_PIN_PA23);
91 #define I2C_SDA(bit) do {                                               \
92                 if (bit) {                                              \
93                         at91_set_gpio_input(AT91_PIN_PA23, 1);          \
94                 } else {                                                \
95                         at91_set_gpio_output(AT91_PIN_PA23, 1);         \
96                         at91_set_gpio_value(AT91_PIN_PA23, bit);        \
97                 }                                                       \
98         } while (0)
99 #define I2C_SCL(bit)    at91_set_pio_value(AT91_PIO_PORTA, 24, bit)
100 #define I2C_DELAY       udelay(2)
101
102 /* Boot options */
103 #define CONFIG_SYS_LOAD_ADDR            0x23000000
104
105 #define CONFIG_BOOTP_BOOTFILESIZE
106
107 /* Environment settings */
108
109 /* Console settings */
110
111 /* U-Boot memory settings */
112 #define CONFIG_SYS_MALLOC_LEN           (1 << 20)
113
114 #endif /* __CONFIG_H */