diff options
| -rw-r--r-- | examples/standalone/smc911x_eeprom.c | 122 |
1 files changed, 62 insertions, 60 deletions
diff --git a/examples/standalone/smc911x_eeprom.c b/examples/standalone/smc911x_eeprom.c index bf22f0a..fff3123 100644 --- a/examples/standalone/smc911x_eeprom.c +++ b/examples/standalone/smc911x_eeprom.c @@ -2,7 +2,7 @@ * smc911x_eeprom.c - EEPROM interface to SMC911x parts. * Only tested on SMSC9118 though ... * - * Copyright 2004-2008 Analog Devices Inc. + * Copyright 2004-2009 Analog Devices Inc. * * Licensed under the GPL-2 or later. * @@ -17,8 +17,12 @@ #include <common.h> #include <exports.h> -#ifdef CONFIG_DRIVER_SMC911X - +/* the smc911x.h gets base addr through eth_device' iobase */ +struct eth_device { + const char *name; + unsigned long iobase; + void *priv; +}; #include "../drivers/net/smc911x.h" /** @@ -55,32 +59,32 @@ static void usage(void) * Registers 0x00 - 0x50 are FIFOs. The 0x50+ are the control registers * and they're all 32bits long. 0xB8+ are reserved, so don't bother. */ -static void dump_regs(void) +static void dump_regs(struct eth_device *dev) { u8 i, j = 0; for (i = 0x50; i < 0xB8; i += sizeof(u32)) printf("%02x: 0x%08x %c", i, - smc911x_reg_read(CONFIG_DRIVER_SMC911X_BASE + i), + smc911x_reg_read(dev, i), (j++ % 2 ? '\n' : ' ')); } /** * do_eeprom_cmd - handle eeprom communication */ -static int do_eeprom_cmd(int cmd, u8 reg) +static int do_eeprom_cmd(struct eth_device *dev, int cmd, u8 reg) { - if (smc911x_reg_read(E2P_CMD) & E2P_CMD_EPC_BUSY) { + if (smc911x_reg_read(dev, E2P_CMD) & E2P_CMD_EPC_BUSY) { printf("eeprom_cmd: busy at start (E2P_CMD = 0x%08x)\n", - smc911x_reg_read(E2P_CMD)); + smc911x_reg_read(dev, E2P_CMD)); return -1; } - smc911x_reg_write(E2P_CMD, E2P_CMD_EPC_BUSY | cmd | reg); + smc911x_reg_write(dev, E2P_CMD, E2P_CMD_EPC_BUSY | cmd | reg); - while (smc911x_reg_read(E2P_CMD) & E2P_CMD_EPC_BUSY) + while (smc911x_reg_read(dev, E2P_CMD) & E2P_CMD_EPC_BUSY) if (smsc_ctrlc()) { printf("eeprom_cmd: timeout (E2P_CMD = 0x%08x)\n", - smc911x_reg_read(E2P_CMD)); + smc911x_reg_read(dev, E2P_CMD)); return -1; } @@ -90,37 +94,37 @@ static int do_eeprom_cmd(int cmd, u8 reg) /** * read_eeprom_reg - read specified register in EEPROM */ -static u8 read_eeprom_reg(u8 reg) +static u8 read_eeprom_reg(struct eth_device *dev, u8 reg) { - int ret = do_eeprom_cmd(E2P_CMD_EPC_CMD_READ, reg); - return (ret ? : smc911x_reg_read(E2P_DATA)); + int ret = do_eeprom_cmd(dev, E2P_CMD_EPC_CMD_READ, reg); + return (ret ? : smc911x_reg_read(dev, E2P_DATA)); } /** * write_eeprom_reg - write specified value into specified register in EEPROM */ -static int write_eeprom_reg(u8 value, u8 reg) +static int write_eeprom_reg(struct eth_device *dev, u8 value, u8 reg) { int ret; /* enable erasing/writing */ - ret = do_eeprom_cmd(E2P_CMD_EPC_CMD_EWEN, reg); + ret = do_eeprom_cmd(dev, E2P_CMD_EPC_CMD_EWEN, reg); if (ret) goto done; /* erase the eeprom reg */ - ret = do_eeprom_cmd(E2P_CMD_EPC_CMD_ERASE, reg); + ret = do_eeprom_cmd(dev, E2P_CMD_EPC_CMD_ERASE, reg); if (ret) goto done; /* write the eeprom reg */ - smc911x_reg_write(E2P_DATA, value); - ret = do_eeprom_cmd(E2P_CMD_EPC_CMD_WRITE, reg); + smc911x_reg_write(dev, E2P_DATA, value); + ret = do_eeprom_cmd(dev, E2P_CMD_EPC_CMD_WRITE, reg); if (ret) goto done; /* disable erasing/writing */ - ret = do_eeprom_cmd(E2P_CMD_EPC_CMD_EWDS, reg); + ret = do_eeprom_cmd(dev, E2P_CMD_EPC_CMD_EWDS, reg); done: return ret; @@ -139,7 +143,7 @@ static char *skip_space(char *buf) /** * write_stuff - handle writing of MAC registers / eeprom */ -static void write_stuff(char *line) +static void write_stuff(struct eth_device *dev, char *line) { char dest; char *endp; @@ -182,39 +186,39 @@ static void write_stuff(char *line) /* Finally, execute the command */ if (dest == 'E') { printf("Writing EEPROM register %02x with %02x\n", reg, value); - write_eeprom_reg(value, reg); + write_eeprom_reg(dev, value, reg); } else { printf("Writing MAC register %02x with %08x\n", reg, value); - smc911x_reg_write(CONFIG_DRIVER_SMC911X_BASE + reg, value); + smc911x_reg_write(dev, reg, value); } } /** * copy_from_eeprom - copy MAC address in eeprom to address registers */ -static void copy_from_eeprom(void) +static void copy_from_eeprom(struct eth_device *dev) { ulong addrl = - read_eeprom_reg(0x01) | - read_eeprom_reg(0x02) << 8 | - read_eeprom_reg(0x03) << 16 | - read_eeprom_reg(0x04) << 24; + read_eeprom_reg(dev, 0x01) | + read_eeprom_reg(dev, 0x02) << 8 | + read_eeprom_reg(dev, 0x03) << 16 | + read_eeprom_reg(dev, 0x04) << 24; ulong addrh = - read_eeprom_reg(0x05) | - read_eeprom_reg(0x06) << 8; - smc911x_set_mac_csr(ADDRL, addrl); - smc911x_set_mac_csr(ADDRH, addrh); + read_eeprom_reg(dev, 0x05) | + read_eeprom_reg(dev, 0x06) << 8; + smc911x_set_mac_csr(dev, ADDRL, addrl); + smc911x_set_mac_csr(dev, ADDRH, addrh); puts("EEPROM contents copied to MAC\n"); } /** * print_macaddr - print MAC address registers and MAC address in eeprom */ -static void print_macaddr(void) +static void print_macaddr(struct eth_device *dev) { puts("Current MAC Address in MAC: "); - ulong addrl = smc911x_get_mac_csr(ADDRL); - ulong addrh = smc911x_get_mac_csr(ADDRH); + ulong addrl = smc911x_get_mac_csr(dev, ADDRL); + ulong addrh = smc911x_get_mac_csr(dev, ADDRH); printf("%02x:%02x:%02x:%02x:%02x:%02x\n", (u8)(addrl), (u8)(addrl >> 8), (u8)(addrl >> 16), (u8)(addrl >> 24), (u8)(addrh), (u8)(addrh >> 8)); @@ -222,41 +226,42 @@ static void print_macaddr(void) puts("Current MAC Address in EEPROM: "); int i; for (i = 1; i < 6; ++i) - printf("%02x:", read_eeprom_reg(i)); - printf("%02x\n", read_eeprom_reg(i)); + printf("%02x:", read_eeprom_reg(dev, i)); + printf("%02x\n", read_eeprom_reg(dev, i)); } /** * dump_eeprom - dump the whole content of the EEPROM */ -static void dump_eeprom(void) +static void dump_eeprom(struct eth_device *dev) { int i; puts("EEPROM:\n"); for (i = 0; i < 7; ++i) - printf("%02x: 0x%02x\n", i, read_eeprom_reg(i)); + printf("%02x: 0x%02x\n", i, read_eeprom_reg(dev, i)); } /** * smc911x_init - get the MAC/EEPROM up and ready for use */ -static int smc911x_init(void) +static int smc911x_init(struct eth_device *dev) { /* See if there is anything there */ - if (!smc911x_detect_chip()) + if (!smc911x_detect_chip(dev)) return 1; - smc911x_reset(); + smc911x_reset(dev); /* Make sure we set EEDIO/EECLK to the EEPROM */ - if (smc911x_reg_read(GPIO_CFG) & GPIO_CFG_EEPR_EN) { - while (smc911x_reg_read(E2P_CMD) & E2P_CMD_EPC_BUSY) + if (smc911x_reg_read(dev, GPIO_CFG) & GPIO_CFG_EEPR_EN) { + while (smc911x_reg_read(dev, E2P_CMD) & E2P_CMD_EPC_BUSY) if (smsc_ctrlc()) { printf("init: timeout (E2P_CMD = 0x%08x)\n", - smc911x_reg_read(E2P_CMD)); + smc911x_reg_read(dev, E2P_CMD)); return 1; } - smc911x_reg_write(GPIO_CFG, smc911x_reg_read(GPIO_CFG) & ~GPIO_CFG_EEPR_EN); + smc911x_reg_write(dev, GPIO_CFG, + smc911x_reg_read(dev, GPIO_CFG) & ~GPIO_CFG_EEPR_EN); } return 0; @@ -317,6 +322,11 @@ static char *getline(void) */ int smc911x_eeprom(int argc, char *argv[]) { + /* Avoid initializing on stack as gcc likes to call memset() */ + struct eth_device dev; + dev.name = __func__; + dev.iobase = CONFIG_SMC911X_BASE; + /* Print the ABI version */ app_startup(argv); if (XF_VERSION != get_version()) { @@ -328,7 +338,7 @@ int smc911x_eeprom(int argc, char *argv[]) /* Initialize the MAC/EEPROM somewhat */ puts("\n"); - if (smc911x_init()) + if (smc911x_init(&dev)) return 1; /* Dump helpful usage information */ @@ -360,11 +370,11 @@ int smc911x_eeprom(int argc, char *argv[]) /* Now parse the command */ switch (line[0]) { - case 'W': write_stuff(line); break; - case 'D': dump_eeprom(); break; - case 'M': dump_regs(); break; - case 'C': copy_from_eeprom(); break; - case 'P': print_macaddr(); break; + case 'W': write_stuff(&dev, line); break; + case 'D': dump_eeprom(&dev); break; + case 'M': dump_regs(&dev); break; + case 'C': copy_from_eeprom(&dev); break; + case 'P': print_macaddr(&dev); break; unknown_cmd: default: puts("ERROR: Unknown command!\n\n"); case '?': @@ -373,11 +383,3 @@ int smc911x_eeprom(int argc, char *argv[]) } } } - -#else -int smc911x_eeprom(int argc, char *argv[]) -{ - puts("Not supported for this board\n"); - return 1; -} -#endif |