| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* Copyright (C) 2004-2007 Freescale Semiconductor, Inc. |
| * Hayden Fraser (Hayden.Fraser@freescale.com) |
| */ |
| |
| #ifndef _M5253DEMO_H |
| #define _M5253DEMO_H |
| |
| #include <linux/stringify.h> |
| |
| #define CFG_SYS_UART_PORT (0) |
| |
| |
| /* Configuration for environment |
| * Environment is embedded in u-boot in the second sector of the flash |
| */ |
| |
| #define LDS_BOARD_TEXT \ |
| . = DEFINED(env_offset) ? env_offset : .; \ |
| env/embedded.o(.text*); |
| |
| #ifdef CONFIG_DRIVER_DM9000 |
| # define CFG_EXTRA_ENV_SETTINGS \ |
| "netdev=eth0\0" \ |
| "inpclk=" __stringify(CONFIG_SYS_INPUT_CLKSRC) "\0" \ |
| "loadaddr=10000\0" \ |
| "u-boot=u-boot.bin\0" \ |
| "load=tftp ${loadaddr) ${u-boot}\0" \ |
| "upd=run load; run prog\0" \ |
| "prog=prot off 0xff800000 0xff82ffff;" \ |
| "era 0xff800000 0xff82ffff;" \ |
| "cp.b ${loadaddr} 0xff800000 ${filesize};" \ |
| "save\0" \ |
| "" |
| #endif |
| |
| /* I2C */ |
| #define CFG_SYS_I2C_PINMUX_REG (*(u32 *) (CFG_SYS_MBAR+0x19C)) |
| #define CFG_SYS_I2C_PINMUX_CLR (0xFFFFE7FF) |
| #define CFG_SYS_I2C_PINMUX_SET (0) |
| |
| #undef CFG_SYS_PLL_BYPASS /* bypass PLL for test purpose */ |
| #define CFG_SYS_FAST_CLK |
| #ifdef CFG_SYS_FAST_CLK |
| # define CFG_SYS_PLLCR 0x1243E054 |
| # define CFG_SYS_CLK 140000000 |
| #else |
| # define CFG_SYS_PLLCR 0x135a4140 |
| # define CFG_SYS_CLK 70000000 |
| #endif |
| |
| /* |
| * Low Level Configuration Settings |
| * (address mappings, register initial values, etc.) |
| * You should know what you are doing if you make changes here. |
| */ |
| |
| #define CFG_SYS_MBAR 0x10000000 /* Register Base Addrs */ |
| #define CFG_SYS_MBAR2 0x80000000 /* Module Base Addrs 2 */ |
| |
| /* |
| * Definitions for initial stack pointer and data area (in DPRAM) |
| */ |
| #define CFG_SYS_INIT_RAM_ADDR 0x20000000 |
| #define CFG_SYS_INIT_RAM_SIZE 0x10000 /* Size of used area in internal SRAM */ |
| |
| /* |
| * Start addresses for the final memory configuration |
| * (Set up by the startup code) |
| * Please note that CFG_SYS_SDRAM_BASE _must_ start at 0 |
| */ |
| #define CFG_SYS_SDRAM_BASE 0x00000000 |
| #define CFG_SYS_SDRAM_SIZE 16 /* SDRAM size in MB */ |
| |
| /* |
| * For booting Linux, the board info and command line data |
| * have to be in the first 8 MB of memory, since this is |
| * the maximum mapped by the Linux kernel during initialization ?? |
| */ |
| #define CFG_SYS_BOOTMAPSZ (CFG_SYS_SDRAM_BASE + (CFG_SYS_SDRAM_SIZE << 20)) |
| |
| /* FLASH organization */ |
| #define CFG_SYS_FLASH_BASE (CFG_SYS_CS0_BASE) |
| |
| #define FLASH_SST6401B 0x200 |
| #define SST_ID_xF6401B 0x236D236D |
| |
| #ifdef CONFIG_SYS_FLASH_CFI |
| /* |
| * Unable to use CFI driver, due to incompatible sector erase command by SST. |
| * Amd/Atmel use 0x30 for sector erase, SST use 0x50. |
| * 0x30 is block erase in SST |
| */ |
| # define CFG_SYS_FLASH_SIZE 0x800000 |
| #else |
| # define CFG_SYS_SST_SECT 2048 |
| # define CFG_SYS_SST_SECTSZ 0x1000 |
| #endif |
| |
| /* Cache Configuration */ |
| |
| #define ICACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ |
| CFG_SYS_INIT_RAM_SIZE - 8) |
| #define DCACHE_STATUS (CFG_SYS_INIT_RAM_ADDR + \ |
| CFG_SYS_INIT_RAM_SIZE - 4) |
| #define CFG_SYS_ICACHE_INV (CF_CACR_DCM) |
| #define CFG_SYS_CACHE_ACR0 (CFG_SYS_FLASH_BASE | \ |
| CF_ADDRMASK(8) | \ |
| CF_ACR_EN | CF_ACR_SM_ALL) |
| #define CFG_SYS_CACHE_ACR1 (CFG_SYS_SDRAM_BASE | \ |
| CF_ADDRMASK(CFG_SYS_SDRAM_SIZE) | \ |
| CF_ACR_EN | CF_ACR_SM_ALL) |
| #define CFG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CEIB | \ |
| CF_CACR_DBWE) |
| |
| #define CFG_SYS_CS0_BASE 0xFF800000 |
| #define CFG_SYS_CS0_MASK 0x007F0021 |
| #define CFG_SYS_CS0_CTRL 0x00001D80 |
| |
| #define CFG_SYS_CS1_BASE 0xE0000000 |
| #define CFG_SYS_CS1_MASK 0x00000001 |
| #define CFG_SYS_CS1_CTRL 0x00003DD8 |
| |
| /*----------------------------------------------------------------------- |
| * Port configuration |
| */ |
| #define CFG_SYS_GPIO_FUNC 0x00000008 /* Set gpio pins: none */ |
| #define CFG_SYS_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54 */ |
| #define CFG_SYS_GPIO_EN 0x00000008 /* Set gpio output enable */ |
| #define CFG_SYS_GPIO1_EN 0x00c70000 /* Set gpio output enable */ |
| #define CFG_SYS_GPIO_OUT 0x00000008 /* Set outputs to default state */ |
| #define CFG_SYS_GPIO1_OUT 0x00c70000 /* Set outputs to default state */ |
| #define CFG_SYS_GPIO1_LED 0x00400000 /* user led */ |
| |
| |
| #endif /* _M5253DEMO_H */ |