diff options
Diffstat (limited to 'src/mainboard/google/panther')
| -rw-r--r-- | src/mainboard/google/panther/lan.c | 61 |
1 files changed, 28 insertions, 33 deletions
diff --git a/src/mainboard/google/panther/lan.c b/src/mainboard/google/panther/lan.c index 2d7eed05fe..9d9e9befb6 100644 --- a/src/mainboard/google/panther/lan.c +++ b/src/mainboard/google/panther/lan.c @@ -28,7 +28,7 @@ #include <vendorcode/google/chromeos/fmap.h> #include "onboard.h" -static unsigned int search(char *p, char *a, unsigned int lengthp, +static unsigned int search(char *p, u8 *a, unsigned int lengthp, unsigned int lengtha) { int i, j; @@ -42,7 +42,7 @@ static unsigned int search(char *p, char *a, unsigned int lengthp, return lengtha; } -static unsigned char get_hex_digit(char *offset) +static unsigned char get_hex_digit(u8 *offset) { unsigned char retval = 0; @@ -54,7 +54,7 @@ static unsigned char get_hex_digit(char *offset) } if (retval > 0x0F) { printk(BIOS_DEBUG, "Error: Invalid Hex digit found: %c - 0x%02x\n", - *offset, (unsigned char)*offset); + *offset, *offset); retval = 0; } @@ -62,14 +62,13 @@ static unsigned char get_hex_digit(char *offset) } static int get_mac_address(u32 *high_dword, u32 *low_dword, - u32 search_address, u32 search_length) + u8 *search_address, u32 search_length) { char key[] = "ethernet_mac"; unsigned int offset; int i; - offset = search(key, (char *)search_address, - sizeof(key) - 1, search_length); + offset = search(key, search_address, sizeof(key) - 1, search_length); if (offset == search_length) { printk(BIOS_DEBUG, "Error: Could not locate '%s' in VPD\n", key); @@ -90,18 +89,18 @@ static int get_mac_address(u32 *high_dword, u32 *low_dword, */ for (i = 0; i < 4; i++) { - *high_dword |= (get_hex_digit((char *)(search_address + offset)) + *high_dword |= (get_hex_digit(search_address + offset) << (4 + (i * 8))); - *high_dword |= (get_hex_digit((char *)(search_address + offset + 1)) + *high_dword |= (get_hex_digit(search_address + offset + 1) << (i * 8)); offset += 3; } *low_dword = 0; for (i = 0; i < 2; i++) { - *low_dword |= (get_hex_digit((char *)(search_address + offset)) + *low_dword |= (get_hex_digit(search_address + offset) << (4 + (i * 8))); - *low_dword |= (get_hex_digit((char *)(search_address + offset + 1)) + *low_dword |= (get_hex_digit(search_address + offset + 1) << (i * 8)); offset += 3; } @@ -109,14 +108,25 @@ static int get_mac_address(u32 *high_dword, u32 *low_dword, return *high_dword | *low_dword; } -static void program_mac_address(u16 io_base, u32 search_address, - u32 search_length) +static void program_mac_address(u16 io_base) { + void *search_address = NULL; + size_t search_length = -1; + /* Default MAC Address of A0:00:BA:D0:0B:AD */ u32 high_dword = 0xD0BA00A0; /* high dword of mac address */ u32 low_dword = 0x0000AD0B; /* low word of mac address as a dword */ - if (search_length != -1) +#if CONFIG_CHROMEOS + search_length = find_fmap_entry("RO_VPD", &search_address); +#else + search_address = cbfs_get_file_content(CBFS_DEFAULT_MEDIA, "vpd.bin", + CBFS_TYPE_RAW, &search_length); +#endif + + if (search_length <= 0) + printk(BIOS_ERR, "LAN: find_fmap_entry returned -1.\n"); + else get_mac_address(&high_dword, &low_dword, search_address, search_length); @@ -124,36 +134,21 @@ static void program_mac_address(u16 io_base, u32 search_address, printk(BIOS_DEBUG, "Realtek NIC io_base = 0x%04x\n", io_base); printk(BIOS_DEBUG, "Programming MAC Address\n"); - outb(0xc0, io_base + 0x50); /* Disable register protection */ + /* Disable register protection */ + outb(0xc0, io_base + 0x50); outl(high_dword, io_base); outl(low_dword, io_base + 0x04); outb(0x60, io_base + 54); - outb(0x00, io_base + 0x50); /* Enable register protection again */ + /* Enable register protection again */ + outb(0x00, io_base + 0x50); } } void lan_init(void) { - u32 search_address = 0; - size_t search_length = -1; u16 io_base = 0; struct device *ethernet_dev = NULL; -#if CONFIG_CHROMEOS - char **vpd_region_ptr = NULL; - search_length = find_fmap_entry("RO_VPD", (void **)vpd_region_ptr); - search_address = (unsigned long)(*vpd_region_ptr); -#else - void *vpd_file = cbfs_get_file_content(CBFS_DEFAULT_MEDIA, "vpd.bin", - CBFS_TYPE_RAW, &search_length); - if (vpd_file) { - search_address = (unsigned long)vpd_file; - } else { - search_length = -1; - search_address = 0; - } -#endif - /* Get NIC's IO base address */ ethernet_dev = dev_find_device(PANTHER_NIC_VENDOR_ID, PANTHER_NIC_DEVICE_ID, 0); @@ -170,7 +165,7 @@ void lan_init(void) if (io_base) { /* Program MAC address based on VPD data */ - program_mac_address(io_base, search_address, search_length); + program_mac_address(io_base); /* * Program NIC LEDS |