diff options
| author | Mike Frysinger <vapier@gentoo.org> | 2008-10-11 22:44:14 -0400 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-03-24 20:36:29 -0400 |
| commit | 751e54c3b77311b720b794813cce20546f288ada (patch) | |
| tree | ede01af331799375d3e8eaf83c909e31e2e066ed /board/bf537-stamp | |
| parent | 88f9faffb383bbc6f23b8cc8519c5ffecfa2c8ad (diff) | |
Blackfin: bf537-stamp: rewrite MAC-in-flash handling
Use the common net eth functions to setup the env/global data with the MAC
address, and properly handle the case where CONFIG_SYS_NO_FLASH is defined.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'board/bf537-stamp')
| -rw-r--r-- | board/bf537-stamp/bf537-stamp.c | 79 |
1 files changed, 56 insertions, 23 deletions
diff --git a/board/bf537-stamp/bf537-stamp.c b/board/bf537-stamp/bf537-stamp.c index 5b619be11b..8cc621b7f0 100644 --- a/board/bf537-stamp/bf537-stamp.c +++ b/board/bf537-stamp/bf537-stamp.c @@ -1,7 +1,7 @@ /* - * U-boot - BF537.c + * U-boot - main board file * - * Copyright (c) 2005-2007 Analog Devices Inc. + * Copyright (c) 2005-2008 Analog Devices Inc. * * (C) Copyright 2000-2004 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. @@ -29,7 +29,7 @@ #include <config.h> #include <command.h> #include <asm/blackfin.h> -#include <asm/io.h> +#include <asm/net.h> #include <net.h> #include <asm/mach-common/bits/bootrom.h> #include <netdev.h> @@ -89,22 +89,63 @@ phys_size_t initdram(int board_type) return gd->bd->bi_memsize; } +void board_reset(void) +{ + /* workaround for weak pull ups on ssel */ + if (CONFIG_BFIN_BOOT_MODE == BFIN_BOOT_SPI_MASTER) { + bfin_write_PORTF_FER(bfin_read_PORTF_FER() & ~PF10); + bfin_write_PORTFIO_SET(PF10); + udelay(1); + } +} + +#ifdef CONFIG_BFIN_MAC +static void board_init_enetaddr(uchar *mac_addr) +{ +#ifdef CONFIG_SYS_NO_FLASH +# define USE_MAC_IN_FLASH 0 +#else +# define USE_MAC_IN_FLASH 1 +#endif + bool valid_mac = false; + + if (USE_MAC_IN_FLASH) { + /* we cram the MAC in the last flash sector */ + uchar *board_mac_addr = (uchar *)0x203F0000; + if (is_valid_ether_addr(board_mac_addr)) { + memcpy(mac_addr, board_mac_addr, 6); + valid_mac = true; + } + } + + if (!valid_mac) { + puts("Warning: Generating 'random' MAC address\n"); + bfin_gen_rand_mac(mac_addr); + } + + eth_setenv_enetaddr("ethaddr", mac_addr); +} + +int board_eth_init(bd_t *bis) +{ + return bfin_EMAC_initialize(bis); +} +#endif + #if defined(CONFIG_MISC_INIT_R) /* miscellaneous platform dependent initialisations */ int misc_init_r(void) { -#if defined(CONFIG_CMD_NET) - char nid[32]; - unsigned char *pMACaddr = (unsigned char *)0x203F0000; - - /* The 0xFF check here is to make sure we don't use the address - * in flash if it's simply been erased (aka all 0xFF values) */ - if (getenv("ethaddr") == NULL && is_valid_ether_addr(pMACaddr)) { - sprintf(nid, "%02x:%02x:%02x:%02x:%02x:%02x", - pMACaddr[0], pMACaddr[1], - pMACaddr[2], pMACaddr[3], pMACaddr[4], pMACaddr[5]); - setenv("ethaddr", nid); - } +#ifdef CONFIG_BFIN_MAC + uchar enetaddr[6]; + if (!eth_getenv_enetaddr("ethaddr", enetaddr)) + board_init_enetaddr(enetaddr); +#endif + +#ifndef CONFIG_SYS_NO_FLASH + /* we use the last sector for the MAC address / POST LDR */ + extern flash_info_t flash_info[]; + flash_protect(FLAG_PROTECT_SET, 0x203F0000, 0x203FFFFF, &flash_info[0]); #endif #if defined(CONFIG_BFIN_IDE) @@ -127,14 +168,6 @@ int misc_init_r(void) } #endif /* CONFIG_MISC_INIT_R */ -#if defined(CONFIG_BFIN_MAC) - -int board_eth_init(bd_t *bis) -{ - return bfin_EMAC_initialize(bis); -} -#endif - #ifdef CONFIG_POST /* Using sw10-PF5 as the hotkey */ int post_hotkeys_pressed(void) |