1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2007-2013 Tensilica, Inc.
4 * Copyright (C) 2014 - 2016 Cadence Design Systems Inc.
10 #include <asm/arch/core.h>
11 #include <asm/addrspace.h>
12 #include <asm/config.h>
15 * The 'xtfpga' board describes a set of very similar boards with only minimal
19 /*===================*/
21 /*===================*/
23 #if XCHAL_HAVE_PTP_MMU
24 #define CONFIG_SYS_MEMORY_BASE \
25 (XCHAL_VECBASE_RESET_VADDR - XCHAL_VECBASE_RESET_PADDR)
26 #define CONFIG_SYS_IO_BASE 0xf0000000
28 #define CONFIG_SYS_MEMORY_BASE 0x60000000
29 #define CONFIG_SYS_IO_BASE 0x90000000
30 #define CONFIG_MAX_MEM_MAPPED 0x10000000
35 * LX60 0x04000000 64 MB
36 * LX110 0x03000000 48 MB
37 * LX200 0x06000000 96 MB
38 * ML605 0x18000000 384 MB
39 * KC705 0x38000000 896 MB
41 * noMMU configurations can only see first 256MB of onboard memory.
44 #if XCHAL_HAVE_PTP_MMU || CONFIG_BOARD_SDRAM_SIZE < 0x10000000
45 #define CONFIG_SYS_SDRAM_SIZE CONFIG_BOARD_SDRAM_SIZE
47 #define CONFIG_SYS_SDRAM_SIZE 0x10000000
50 #define CONFIG_SYS_SDRAM_BASE MEMADDR(0x00000000)
52 /* Lx60 can only map 128kb memory (instead of 256kb) when running under OCD */
53 #ifdef CONFIG_XTFPGA_LX60
54 # define CONFIG_SYS_MONITOR_LEN 0x00020000 /* 128KB */
56 # define CONFIG_SYS_MONITOR_LEN 0x00040000 /* 256KB */
59 /* Memory test is destructive so default must not overlap vectors or U-Boot*/
61 /* Load address for stand-alone applications.
62 * MEMADDR cannot be used here, because the definition needs to be
63 * a plain number as it's used as -Ttext argument for ld in standalone
65 * Handle noMMU vs MMUv2 vs MMUv3 distinction here manually.
67 #if XCHAL_HAVE_PTP_MMU
68 #if XCHAL_VECBASE_RESET_VADDR == XCHAL_VECBASE_RESET_PADDR
69 #define CONFIG_STANDALONE_LOAD_ADDR 0x00800000
71 #define CONFIG_STANDALONE_LOAD_ADDR 0xd0800000
74 #define CONFIG_STANDALONE_LOAD_ADDR 0x60800000
77 #if defined(CONFIG_MAX_MEM_MAPPED) && \
78 CONFIG_MAX_MEM_MAPPED < CONFIG_SYS_SDRAM_SIZE
79 #define XTENSA_SYS_TEXT_ADDR \
80 (MEMADDR(CONFIG_MAX_MEM_MAPPED) - CONFIG_SYS_MONITOR_LEN)
82 #define XTENSA_SYS_TEXT_ADDR \
83 (MEMADDR(CONFIG_SYS_SDRAM_SIZE) - CONFIG_SYS_MONITOR_LEN)
86 /*==============================*/
87 /* U-Boot general configuration */
88 /*==============================*/
90 /* Console I/O Buffer Size */
91 /*==============================*/
92 /* U-Boot autoboot configuration */
93 /*==============================*/
96 /*=========================================*/
97 /* FPGA Registers (board info and control) */
98 /*=========================================*/
101 * These assume FPGA bitstreams from Tensilica release RB and up. Earlier
102 * releases may not provide any/all of these registers or at these offsets.
103 * Some of the FPGA registers are broken down into bitfields described by
104 * SHIFT left amount and field WIDTH (bits), and also by a bitMASK.
107 /* FPGA core clock frequency in Hz (also input to UART) */
108 #define CONFIG_SYS_FPGAREG_FREQ IOADDR(0x0D020004) /* CPU clock frequency*/
111 * DIP switch (left=sw1=lsb=bit0, right=sw8=msb=bit7; off=0, on=1):
112 * Bits 0..5 set the lower 6 bits of the default ethernet MAC.
113 * Bit 6 is reserved for future use by Tensilica.
114 * Bit 7 maps the first 128KB of ROM address space at CONFIG_SYS_ROM_BASE to
115 * the base of flash * (when on/1) or to the base of RAM (when off/0).
117 #define CONFIG_SYS_FPGAREG_DIPSW IOADDR(0x0D02000C)
118 #define FPGAREG_MAC_SHIFT 0 /* Ethernet MAC bits 0..5 */
119 #define FPGAREG_MAC_WIDTH 6
120 #define FPGAREG_MAC_MASK 0x3f
121 #define FPGAREG_BOOT_SHIFT 7 /* Boot ROM addr mapping */
122 #define FPGAREG_BOOT_WIDTH 1
123 #define FPGAREG_BOOT_MASK 0x80
124 #define FPGAREG_BOOT_RAM 0
125 #define FPGAREG_BOOT_FLASH (1<<FPGAREG_BOOT_SHIFT)
127 /* Force hard reset of board by writing a code to this register */
128 #define CONFIG_SYS_FPGAREG_RESET IOADDR(0x0D020010) /* Reset board .. */
129 #define CONFIG_SYS_FPGAREG_RESET_CODE 0x0000DEAD /* by writing this code */
131 /*====================*/
132 /* Serial Driver Info */
133 /*====================*/
135 #define CONFIG_SYS_NS16550_SERIAL
136 #define CONFIG_SYS_NS16550_REG_SIZE (-4)
137 #define CONFIG_SYS_NS16550_COM1 IOADDR(0x0D050020) /* Base address */
139 /* Input clk to NS16550 (in Hz; the SYS_CLK_FREQ is in kHz) */
140 #define CONFIG_SYS_NS16550_CLK get_board_sys_clk()
142 /*======================*/
143 /* Ethernet Driver Info */
144 /*======================*/
146 #define CONFIG_ETHBASE 00:50:C2:13:6f:00
147 #define CONFIG_SYS_ETHOC_BASE IOADDR(0x0d030000)
148 #define CONFIG_SYS_ETHOC_BUFFER_ADDR IOADDR(0x0D800000)
150 /*=====================*/
151 /* Flash & Environment */
152 /*=====================*/
154 #ifdef CONFIG_XTFPGA_LX60
155 # define CONFIG_SYS_FLASH_SIZE 0x0040000 /* 4MB */
156 # define CONFIG_SYS_FLASH_PARMSECT_SZ 0x2000 /* param size 8KB */
157 # define CONFIG_SYS_FLASH_BASE IOADDR(0x08000000)
158 #elif defined(CONFIG_XTFPGA_KC705)
159 # define CONFIG_SYS_FLASH_SIZE 0x8000000 /* 128MB */
160 # define CONFIG_SYS_FLASH_PARMSECT_SZ 0x8000 /* param size 32KB */
161 # define CONFIG_SYS_FLASH_BASE IOADDR(0x00000000)
163 # define CONFIG_SYS_FLASH_SIZE 0x1000000 /* 16MB */
164 # define CONFIG_SYS_FLASH_PARMSECT_SZ 0x8000 /* param size 32KB */
165 # define CONFIG_SYS_FLASH_BASE IOADDR(0x08000000)
169 * Put environment in top block (64kB)
170 * Another option would be to put env. in 2nd param block offs 8KB, size 8KB
173 /* print 'E' for empty sector on flinfo */
175 #endif /* __CONFIG_H */