smc911x_eeprom: fix building after smc911x overhaul

When the smc911x driver was converted to NET_MULTI, the smc911x eeprom was
missed.  The config option needed updating as well as overhauling of the
rergister read/write functions.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Tested-by: Mike Rapoport <mike.rapoport@gmail.com>
Signed-off-by: Ben Warren <biggerbadderben@gmail.com>

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