diff options
-rw-r--r-- | arch/microblaze/cpu/start.S | 60 | ||||
-rw-r--r-- | arch/microblaze/include/asm/byteorder.h | 4 | ||||
-rw-r--r-- | arch/microblaze/lib/board.c | 12 | ||||
-rw-r--r-- | board/xilinx/microblaze-generic/microblaze-generic.c | 13 | ||||
-rw-r--r-- | include/configs/microblaze-generic.h | 236 |
5 files changed, 207 insertions, 118 deletions
diff --git a/arch/microblaze/cpu/start.S b/arch/microblaze/cpu/start.S index 2e9a08d..7f60434 100644 --- a/arch/microblaze/cpu/start.S +++ b/arch/microblaze/cpu/start.S @@ -32,6 +32,22 @@ _start: mts rmsr, r0 /* disable cache */ addi r1, r0, CONFIG_SYS_INIT_SP_OFFSET addi r1, r1, -4 /* Decrement SP to top of memory */ + + /* Find-out if u-boot is running on BIG/LITTLE endian platform + * There are some steps which is necessary to keep in mind: + * 1. Setup offset value to r6 + * 2. Store word offset value to address 0x0 + * 3. Load just byte from address 0x0 + * 4a) LITTLE endian - r10 contains 0x2 because it is the smallest + * value that's why is on address 0x0 + * 4b) BIG endian - r10 contains 0x0 because 0x2 offset is on addr 0x3 + */ + addik r6, r0, 0x2 /* BIG/LITTLE endian offset */ + swi r6, r0, 0 + lbui r10, r0, 0 + swi r6, r0, 0x40 + swi r10, r0, 0x50 + /* add opcode instruction for 32bit jump - 2 instruction imm & brai*/ addi r6, r0, 0xb0000000 /* hex b000 opcode imm */ swi r6, r0, 0x0 /* reset address */ @@ -75,26 +91,52 @@ _start: /* user_vector_exception */ addik r6, r0, _exception_handler sw r6, r1, r0 - lhu r7, r1, r0 - shi r7, r0, 0xa - shi r6, r0, 0xe + /* + * BIG ENDIAN memory map for user exception + * 0x8: 0xB000XXXX + * 0xC: 0xB808XXXX + * + * then it is necessary to count address for storing the most significant + * 16bits from _exception_handler address and copy it to + * 0xa address. Big endian use offset in r10=0 that's why is it just + * 0xa address. The same is done for the least significant 16 bits + * for 0xe address. + * + * LITTLE ENDIAN memory map for user exception + * 0x8: 0xXXXX00B0 + * 0xC: 0xXXXX08B8 + * + * Offset is for little endian setup to 0x2. rsubi instruction decrease + * address value to ensure that points to proper place which is + * 0x8 for the most significant 16 bits and + * 0xC for the least significant 16 bits + */ + lhu r7, r1, r10 + rsubi r8, r10, 0xa + sh r7, r0, r8 + rsubi r8, r10, 0xe + sh r6, r0, r8 #endif #ifdef CONFIG_SYS_INTC_0 /* interrupt_handler */ addik r6, r0, _interrupt_handler sw r6, r1, r0 - lhu r7, r1, r0 - shi r7, r0, 0x12 - shi r6, r0, 0x16 + lhu r7, r1, r10 + rsubi r8, r10, 0x12 + sh r7, r0, r8 + rsubi r8, r10, 0x16 + sh r6, r0, r8 #endif /* hardware exception */ addik r6, r0, _hw_exception_handler sw r6, r1, r0 - lhu r7, r1, r0 - shi r7, r0, 0x22 - shi r6, r0, 0x26 + lhu r7, r1, r10 + rsubi r8, r10, 0x22 + sh r7, r0, r8 + rsubi r8, r10, 0x26 + sh r6, r0, r8 /* enable instruction and data cache */ mfs r12, rmsr diff --git a/arch/microblaze/include/asm/byteorder.h b/arch/microblaze/include/asm/byteorder.h index a4a75b7..b2757a4 100644 --- a/arch/microblaze/include/asm/byteorder.h +++ b/arch/microblaze/include/asm/byteorder.h @@ -50,6 +50,10 @@ static __inline__ __u16 ___arch__swab16 (__u16 half_word) #endif /* __GNUC__ */ +#ifdef __MICROBLAZEEL__ +#include <linux/byteorder/little_endian.h> +#else #include <linux/byteorder/big_endian.h> +#endif #endif /* __MICROBLAZE_BYTEORDER_H__ */ diff --git a/arch/microblaze/lib/board.c b/arch/microblaze/lib/board.c index 3ff5c17..0ce040e 100644 --- a/arch/microblaze/lib/board.c +++ b/arch/microblaze/lib/board.c @@ -31,6 +31,7 @@ #include <version.h> #include <watchdog.h> #include <stdio_dev.h> +#include <net.h> DECLARE_GLOBAL_DATA_PTR; @@ -42,6 +43,7 @@ extern int gpio_init (void); #ifdef CONFIG_SYS_INTC_0 extern int interrupts_init (void); #endif + #if defined(CONFIG_CMD_NET) extern int eth_init (bd_t * bis); #endif @@ -165,8 +167,14 @@ void board_init (void) #if defined(CONFIG_CMD_NET) /* IP Address */ - bd->bi_ip_addr = getenv_IPaddr ("ipaddr"); - eth_init (bd); + bd->bi_ip_addr = getenv_IPaddr("ipaddr"); + + printf("Net: "); + eth_initialize(gd->bd); + + uchar enetaddr[6]; + eth_getenv_enetaddr("ethaddr", enetaddr); + printf("MAC: %pM\n", enetaddr); #endif /* main_loop */ diff --git a/board/xilinx/microblaze-generic/microblaze-generic.c b/board/xilinx/microblaze-generic/microblaze-generic.c index 838f131..744384c 100644 --- a/board/xilinx/microblaze-generic/microblaze-generic.c +++ b/board/xilinx/microblaze-generic/microblaze-generic.c @@ -27,6 +27,7 @@ #include <common.h> #include <config.h> +#include <netdev.h> #include <asm/microblaze_intc.h> #include <asm/asm.h> @@ -66,3 +67,15 @@ int fsl_init2 (void) { return 0; } #endif + +int board_eth_init(bd_t *bis) +{ + /* + * This board either has PCI NICs or uses the CPU's TSECs + * pci_eth_init() will return 0 if no NICs found, so in that case + * returning -1 will force cpu_eth_init() to be called. + */ +#ifdef CONFIG_XILINX_EMACLITE + return xilinx_emaclite_initialize(bis, XILINX_EMACLITE_BASEADDR); +#endif +} diff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h index 9b1569a..c30cc4c 100644 --- a/include/configs/microblaze-generic.h +++ b/include/configs/microblaze-generic.h @@ -1,5 +1,5 @@ /* - * (C) Copyright 2007-2008 Michal Simek + * (C) Copyright 2007-2010 Michal Simek * * Michal SIMEK <monstr@monstr.eu> * @@ -27,31 +27,33 @@ #include "../board/xilinx/microblaze-generic/xparameters.h" -#define CONFIG_MICROBLAZE 1 /* MicroBlaze CPU */ +/* MicroBlaze CPU */ +#define CONFIG_MICROBLAZE 1 #define MICROBLAZE_V5 1 /* uart */ #ifdef XILINX_UARTLITE_BASEADDR - #define CONFIG_XILINX_UARTLITE - #define CONFIG_SERIAL_BASE XILINX_UARTLITE_BASEADDR - #define CONFIG_BAUDRATE XILINX_UARTLITE_BAUDRATE - #define CONFIG_SYS_BAUDRATE_TABLE { CONFIG_BAUDRATE } - #define CONSOLE_ARG "console=console=ttyUL0,115200\0" +# define CONFIG_XILINX_UARTLITE +# define CONFIG_SERIAL_BASE XILINX_UARTLITE_BASEADDR +# define CONFIG_BAUDRATE XILINX_UARTLITE_BAUDRATE +# define CONFIG_SYS_BAUDRATE_TABLE { CONFIG_BAUDRATE } +# define CONSOLE_ARG "console=console=ttyUL0,115200\0" #elif XILINX_UART16550_BASEADDR - #define CONFIG_SYS_NS16550 1 - #define CONFIG_SYS_NS16550_SERIAL - #define CONFIG_SYS_NS16550_REG_SIZE -4 - #define CONFIG_CONS_INDEX 1 - #define CONFIG_SYS_NS16550_COM1 (XILINX_UART16550_BASEADDR + 0x1000 + 0x3) - #define CONFIG_SYS_NS16550_CLK XILINX_UART16550_CLOCK_HZ - #define CONFIG_BAUDRATE 115200 - - /* The following table includes the supported baudrates */ - #define CONFIG_SYS_BAUDRATE_TABLE \ - {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} - #define CONSOLE_ARG "console=console=ttyS0,115200\0" +# define CONFIG_SYS_NS16550 1 +# define CONFIG_SYS_NS16550_SERIAL +# define CONFIG_SYS_NS16550_REG_SIZE -4 +# define CONFIG_CONS_INDEX 1 +# define CONFIG_SYS_NS16550_COM1 \ + (XILINX_UART16550_BASEADDR + 0x1000 + 0x3) +# define CONFIG_SYS_NS16550_CLK XILINX_UART16550_CLOCK_HZ +# define CONFIG_BAUDRATE 115200 + +/* The following table includes the supported baudrates */ +# define CONFIG_SYS_BAUDRATE_TABLE \ + {300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400} +# define CONSOLE_ARG "console=console=ttyS0,115200\0" #else - #error Undefined uart +# error Undefined uart #endif /* setting reset address */ @@ -59,41 +61,41 @@ /* ethernet */ #ifdef XILINX_EMACLITE_BASEADDR - #define CONFIG_XILINX_EMACLITE 1 - #define CONFIG_SYS_ENET +# define CONFIG_XILINX_EMACLITE 1 +# define CONFIG_SYS_ENET #elif XILINX_LLTEMAC_BASEADDR - #define CONFIG_XILINX_LL_TEMAC 1 - #define CONFIG_SYS_ENET +# define CONFIG_XILINX_LL_TEMAC 1 +# define CONFIG_SYS_ENET #endif #undef ET_DEBUG /* gpio */ #ifdef XILINX_GPIO_BASEADDR - #define CONFIG_SYS_GPIO_0 1 - #define CONFIG_SYS_GPIO_0_ADDR XILINX_GPIO_BASEADDR +# define CONFIG_SYS_GPIO_0 1 +# define CONFIG_SYS_GPIO_0_ADDR XILINX_GPIO_BASEADDR #endif /* interrupt controller */ #ifdef XILINX_INTC_BASEADDR - #define CONFIG_SYS_INTC_0 1 - #define CONFIG_SYS_INTC_0_ADDR XILINX_INTC_BASEADDR - #define CONFIG_SYS_INTC_0_NUM XILINX_INTC_NUM_INTR_INPUTS +# define CONFIG_SYS_INTC_0 1 +# define CONFIG_SYS_INTC_0_ADDR XILINX_INTC_BASEADDR +# define CONFIG_SYS_INTC_0_NUM XILINX_INTC_NUM_INTR_INPUTS #endif /* timer */ #ifdef XILINX_TIMER_BASEADDR - #if (XILINX_TIMER_IRQ != -1) - #define CONFIG_SYS_TIMER_0 1 - #define CONFIG_SYS_TIMER_0_ADDR XILINX_TIMER_BASEADDR - #define CONFIG_SYS_TIMER_0_IRQ XILINX_TIMER_IRQ - #define FREQUENCE XILINX_CLOCK_FREQ - #define CONFIG_SYS_TIMER_0_PRELOAD ( FREQUENCE/1000 ) - #endif +# if (XILINX_TIMER_IRQ != -1) +# define CONFIG_SYS_TIMER_0 1 +# define CONFIG_SYS_TIMER_0_ADDR XILINX_TIMER_BASEADDR +# define CONFIG_SYS_TIMER_0_IRQ XILINX_TIMER_IRQ +# define FREQUENCE XILINX_CLOCK_FREQ +# define CONFIG_SYS_TIMER_0_PRELOAD ( FREQUENCE/1000 ) +# endif #elif XILINX_CLOCK_FREQ - #define CONFIG_XILINX_CLOCK_FREQ XILINX_CLOCK_FREQ +# define CONFIG_XILINX_CLOCK_FREQ XILINX_CLOCK_FREQ #else - #error BAD CLOCK FREQ +# error BAD CLOCK FREQ #endif /* FSL */ /* #define CONFIG_SYS_FSL_2 */ @@ -135,15 +137,20 @@ /* global pointer */ #define CONFIG_SYS_GBL_DATA_SIZE 128 /* size of global data */ /* start of global data */ -#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_SDRAM_SIZE - CONFIG_SYS_GBL_DATA_SIZE) +#define CONFIG_SYS_GBL_DATA_OFFSET \ + (CONFIG_SYS_SDRAM_BASE + CONFIG_SYS_SDRAM_SIZE \ + - CONFIG_SYS_GBL_DATA_SIZE) /* monitor code */ -#define SIZE 0x40000 +#define SIZE 0x40000 #define CONFIG_SYS_MONITOR_LEN (SIZE - CONFIG_SYS_GBL_DATA_SIZE) -#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_GBL_DATA_OFFSET - CONFIG_SYS_MONITOR_LEN) -#define CONFIG_SYS_MONITOR_END (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) +#define CONFIG_SYS_MONITOR_BASE \ + (CONFIG_SYS_GBL_DATA_OFFSET - CONFIG_SYS_MONITOR_LEN) +#define CONFIG_SYS_MONITOR_END \ + (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN) #define CONFIG_SYS_MALLOC_LEN SIZE -#define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN) +#define CONFIG_SYS_MALLOC_BASE \ + (CONFIG_SYS_MONITOR_BASE - CONFIG_SYS_MALLOC_LEN) /* stack */ #define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_MALLOC_BASE @@ -152,55 +159,62 @@ #define FLASH #ifdef FLASH - #define CONFIG_SYS_FLASH_BASE XILINX_FLASH_START - #define CONFIG_SYS_FLASH_SIZE XILINX_FLASH_SIZE - #define CONFIG_SYS_FLASH_CFI 1 - #define CONFIG_FLASH_CFI_DRIVER 1 - #define CONFIG_SYS_FLASH_EMPTY_INFO 1 /* ?empty sector */ - #define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */ - #define CONFIG_SYS_MAX_FLASH_SECT 512 /* max number of sectors on one chip */ - #define CONFIG_SYS_FLASH_PROTECTION /* hardware flash protection */ - - #ifdef RAMENV - #define CONFIG_ENV_IS_NOWHERE 1 - #define CONFIG_ENV_SIZE 0x1000 - #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) - - #else /* !RAMENV */ - #define CONFIG_ENV_IS_IN_FLASH 1 - #define CONFIG_ENV_SECT_SIZE 0x20000 /* 128K(one sector) for env */ - #define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE)) - #define CONFIG_ENV_SIZE 0x20000 - #endif /* !RAMBOOT */ +# define CONFIG_SYS_FLASH_BASE XILINX_FLASH_START +# define CONFIG_SYS_FLASH_SIZE XILINX_FLASH_SIZE +# define CONFIG_SYS_FLASH_CFI 1 +# define CONFIG_FLASH_CFI_DRIVER 1 +/* ?empty sector */ +# define CONFIG_SYS_FLASH_EMPTY_INFO 1 +/* max number of memory banks */ +# define CONFIG_SYS_MAX_FLASH_BANKS 1 +/* max number of sectors on one chip */ +# define CONFIG_SYS_MAX_FLASH_SECT 512 +/* hardware flash protection */ +# define CONFIG_SYS_FLASH_PROTECTION + +# ifdef RAMENV +# define CONFIG_ENV_IS_NOWHERE 1 +# define CONFIG_ENV_SIZE 0x1000 +# define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) + +# else /* !RAMENV */ +# define CONFIG_ENV_IS_IN_FLASH 1 +/* 128K(one sector) for env */ +# define CONFIG_ENV_SECT_SIZE 0x20000 +# define CONFIG_ENV_ADDR \ + (CONFIG_SYS_FLASH_BASE + (2 * CONFIG_ENV_SECT_SIZE)) +# define CONFIG_ENV_SIZE 0x20000 +# endif /* !RAMBOOT */ #else /* !FLASH */ - /* ENV in RAM */ - #define CONFIG_SYS_NO_FLASH 1 - #define CONFIG_ENV_IS_NOWHERE 1 - #define CONFIG_ENV_SIZE 0x1000 - #define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) - #define CONFIG_SYS_FLASH_PROTECTION /* hardware flash protection */ +/* ENV in RAM */ +# define CONFIG_SYS_NO_FLASH 1 +# define CONFIG_ENV_IS_NOWHERE 1 +# define CONFIG_ENV_SIZE 0x1000 +# define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE) +/* hardware flash protection */ +# define CONFIG_SYS_FLASH_PROTECTION #endif /* !FLASH */ /* system ace */ #ifdef XILINX_SYSACE_BASEADDR - #define CONFIG_SYSTEMACE - /* #define DEBUG_SYSTEMACE */ - #define SYSTEMACE_CONFIG_FPGA - #define CONFIG_SYS_SYSTEMACE_BASE XILINX_SYSACE_BASEADDR - #define CONFIG_SYS_SYSTEMACE_WIDTH XILINX_SYSACE_MEM_WIDTH - #define CONFIG_DOS_PARTITION +# define CONFIG_SYSTEMACE +/* #define DEBUG_SYSTEMACE */ +# define SYSTEMACE_CONFIG_FPGA +# define CONFIG_SYS_SYSTEMACE_BASE XILINX_SYSACE_BASEADDR +# define CONFIG_SYS_SYSTEMACE_WIDTH XILINX_SYSACE_MEM_WIDTH +# define CONFIG_DOS_PARTITION #endif #if defined(XILINX_USE_ICACHE) - #define CONFIG_ICACHE +# define CONFIG_ICACHE #else - #undef CONFIG_ICACHE +# undef CONFIG_ICACHE #endif #if defined(XILINX_USE_DCACHE) - #define CONFIG_DCACHE +# define CONFIG_DCACHE #else - #undef CONFIG_DCACHE +# undef CONFIG_DCACHE #endif /* @@ -222,36 +236,39 @@ #define CONFIG_CMD_ECHO #if defined(CONFIG_DCACHE) || defined(CONFIG_ICACHE) - #define CONFIG_CMD_CACHE +# define CONFIG_CMD_CACHE #else - #undef CONFIG_CMD_CACHE +# undef CONFIG_CMD_CACHE #endif #ifndef CONFIG_SYS_ENET - #undef CONFIG_CMD_NET +# undef CONFIG_CMD_NET +# undef CONFIG_NET_MULTI #else - #define CONFIG_CMD_PING +# define CONFIG_CMD_PING +# define CONFIG_CMD_DHCP +# define CONFIG_NET_MULTI #endif #if defined(CONFIG_SYSTEMACE) - #define CONFIG_CMD_EXT2 - #define CONFIG_CMD_FAT +# define CONFIG_CMD_EXT2 +# define CONFIG_CMD_FAT #endif #if defined(FLASH) - #define CONFIG_CMD_ECHO - #define CONFIG_CMD_FLASH - #define CONFIG_CMD_IMLS - #define CONFIG_CMD_JFFS2 - - #if !defined(RAMENV) - #define CONFIG_CMD_SAVEENV - #define CONFIG_CMD_SAVES - #endif +# define CONFIG_CMD_ECHO +# define CONFIG_CMD_FLASH +# define CONFIG_CMD_IMLS +# define CONFIG_CMD_JFFS2 + +# if !defined(RAMENV) +# define CONFIG_CMD_SAVEENV +# define CONFIG_CMD_SAVES +# endif #else - #undef CONFIG_CMD_IMLS - #undef CONFIG_CMD_FLASH - #undef CONFIG_CMD_JFFS2 +# undef CONFIG_CMD_IMLS +# undef CONFIG_CMD_FLASH +# undef CONFIG_CMD_JFFS2 #endif #if defined(CONFIG_CMD_JFFS2) @@ -259,21 +276,26 @@ #define CONFIG_CMD_MTDPARTS /* mtdparts command line support */ #define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ #define CONFIG_FLASH_CFI_MTD -#define MTDIDS_DEFAULT "nor0=ml401-0" +#define MTDIDS_DEFAULT "nor0=flash-0" /* default mtd partition table */ -#define MTDPARTS_DEFAULT "mtdparts=ml401-0:256k(u-boot),"\ +#define MTDPARTS_DEFAULT "mtdparts=flash-0:256k(u-boot),"\ "256k(env),3m(kernel),1m(romfs),"\ "1m(cramfs),-(jffs2)" #endif /* Miscellaneous configurable options */ #define CONFIG_SYS_PROMPT "U-Boot-mONStR> " -#define CONFIG_SYS_CBSIZE 512 /* size of console buffer */ -#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) /* print buffer size */ -#define CONFIG_SYS_MAXARGS 15 /* max number of command args */ +/* size of console buffer */ +#define CONFIG_SYS_CBSIZE 512 + /* print buffer size */ +#define CONFIG_SYS_PBSIZE \ + (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) +/* max number of command args */ +#define CONFIG_SYS_MAXARGS 15 #define CONFIG_SYS_LONGHELP -#define CONFIG_SYS_LOAD_ADDR XILINX_RAM_START /* default load address */ +/* default load address */ +#define CONFIG_SYS_LOAD_ADDR XILINX_RAM_START #define CONFIG_BOOTDELAY -1 /* -1 disables auto-boot */ #define CONFIG_BOOTARGS "root=romfs" @@ -290,9 +312,9 @@ #define CONFIG_PREBOOT "echo U-BOOT for ${hostname};setenv preboot;echo" -#define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" /* hardware flash protection */\ - "nor0=ml401-0\0"\ - "mtdparts=mtdparts=ml401-0:"\ +#define CONFIG_EXTRA_ENV_SETTINGS "unlock=yes\0" \ + "nor0=flash-0\0"\ + "mtdparts=mtdparts=flash-0:"\ "256k(u-boot),256k(env),3m(kernel),"\ "1m(romfs),1m(cramfs),-(jffs2)\0" @@ -301,7 +323,7 @@ /* Use the HUSH parser */ #define CONFIG_SYS_HUSH_PARSER #ifdef CONFIG_SYS_HUSH_PARSER -#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " +# define CONFIG_SYS_PROMPT_HUSH_PS2 "> " #endif #endif /* __CONFIG_H */ |