1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /* Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
3 * Hayden Fraser (Hayden.Fraser@freescale.com)
9 #include <linux/stringify.h>
11 #define CFG_SYS_UART_PORT (0)
14 /* Configuration for environment
15 * Environment is embedded in u-boot in the second sector of the flash
18 #define LDS_BOARD_TEXT \
19 . = DEFINED(env_offset) ? env_offset : .; \
20 env/embedded.o(.text*);
22 #ifdef CONFIG_DRIVER_DM9000
23 # define CONFIG_OVERWRITE_ETHADDR_ONCE
25 # define CONFIG_EXTRA_ENV_SETTINGS \
27 "inpclk=" __stringify(CONFIG_SYS_INPUT_CLKSRC) "\0" \
29 "u-boot=u-boot.bin\0" \
30 "load=tftp ${loadaddr) ${u-boot}\0" \
31 "upd=run load; run prog\0" \
32 "prog=prot off 0xff800000 0xff82ffff;" \
33 "era 0xff800000 0xff82ffff;" \
34 "cp.b ${loadaddr} 0xff800000 ${filesize};" \
39 #define CONFIG_HOSTNAME "M5253DEMO"
42 #define CFG_SYS_I2C_PINMUX_REG (*(u32 *) (CFG_SYS_MBAR+0x19C))
43 #define CFG_SYS_I2C_PINMUX_CLR (0xFFFFE7FF)
44 #define CFG_SYS_I2C_PINMUX_SET (0)
46 #undef CFG_SYS_PLL_BYPASS /* bypass PLL for test purpose */
47 #define CFG_SYS_FAST_CLK
48 #ifdef CFG_SYS_FAST_CLK
49 # define CFG_SYS_PLLCR 0x1243E054
50 # define CFG_SYS_CLK 140000000
52 # define CFG_SYS_PLLCR 0x135a4140
53 # define CFG_SYS_CLK 70000000
57 * Low Level Configuration Settings
58 * (address mappings, register initial values, etc.)
59 * You should know what you are doing if you make changes here.
62 #define CFG_SYS_MBAR 0x10000000 /* Register Base Addrs */
63 #define CFG_SYS_MBAR2 0x80000000 /* Module Base Addrs 2 */
66 * Definitions for initial stack pointer and data area (in DPRAM)
68 #define CFG_SYS_INIT_RAM_ADDR 0x20000000
69 #define CFG_SYS_INIT_RAM_SIZE 0x10000 /* Size of used area in internal SRAM */
72 * Start addresses for the final memory configuration
73 * (Set up by the startup code)
74 * Please note that CFG_SYS_SDRAM_BASE _must_ start at 0
76 #define CFG_SYS_SDRAM_BASE 0x00000000
77 #define CFG_SYS_SDRAM_SIZE 16 /* SDRAM size in MB */
80 * For booting Linux, the board info and command line data
81 * have to be in the first 8 MB of memory, since this is
82 * the maximum mapped by the Linux kernel during initialization ??
84 #define CFG_SYS_BOOTMAPSZ (CFG_SYS_SDRAM_BASE + (CFG_SYS_SDRAM_SIZE << 20))
86 /* FLASH organization */
87 #define CFG_SYS_FLASH_BASE (CFG_SYS_CS0_BASE)
89 #define FLASH_SST6401B 0x200
90 #define SST_ID_xF6401B 0x236D236D
92 #ifdef CONFIG_SYS_FLASH_CFI
94 * Unable to use CFI driver, due to incompatible sector erase command by SST.
95 * Amd/Atmel use 0x30 for sector erase, SST use 0x50.
96 * 0x30 is block erase in SST
98 # define CFG_SYS_FLASH_SIZE 0x800000
100 # define CFG_SYS_SST_SECT 2048
101 # define CFG_SYS_SST_SECTSZ 0x1000
104 /* Cache Configuration */
106 #define ICACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \
107 CFG_SYS_INIT_RAM_SIZE - 8)
108 #define DCACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \
109 CFG_SYS_INIT_RAM_SIZE - 4)
110 #define CFG_SYS_ICACHE_INV (CF_CACR_DCM)
111 #define CFG_SYS_CACHE_ACR0 (CFG_SYS_FLASH_BASE | \
113 CF_ACR_EN | CF_ACR_SM_ALL)
114 #define CFG_SYS_CACHE_ACR1 (CFG_SYS_SDRAM_BASE | \
115 CF_ADDRMASK(CFG_SYS_SDRAM_SIZE) | \
116 CF_ACR_EN | CF_ACR_SM_ALL)
117 #define CFG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CEIB | \
120 #define CFG_SYS_CS0_BASE 0xFF800000
121 #define CFG_SYS_CS0_MASK 0x007F0021
122 #define CFG_SYS_CS0_CTRL 0x00001D80
124 #define CFG_SYS_CS1_BASE 0xE0000000
125 #define CFG_SYS_CS1_MASK 0x00000001
126 #define CFG_SYS_CS1_CTRL 0x00003DD8
128 /*-----------------------------------------------------------------------
131 #define CFG_SYS_GPIO_FUNC 0x00000008 /* Set gpio pins: none */
132 #define CFG_SYS_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54 */
133 #define CFG_SYS_GPIO_EN 0x00000008 /* Set gpio output enable */
134 #define CFG_SYS_GPIO1_EN 0x00c70000 /* Set gpio output enable */
135 #define CFG_SYS_GPIO_OUT 0x00000008 /* Set outputs to default state */
136 #define CFG_SYS_GPIO1_OUT 0x00c70000 /* Set outputs to default state */
137 #define CFG_SYS_GPIO1_LED 0x00400000 /* user led */
139 #endif /* _M5253DEMO_H */