+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* SMSC LAN9[12]1[567] Network driver
*
* (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
*/
#ifndef _SMC911X_H_
#define _SMC911X_H_
-#include <linux/types.h>
-
-#define DRIVERNAME "smc911x"
-
-#if defined (CONFIG_SMC911X_32_BIT) && \
- defined (CONFIG_SMC911X_16_BIT)
-#error "SMC911X: Only one of CONFIG_SMC911X_32_BIT and \
- CONFIG_SMC911X_16_BIT shall be set"
-#endif
-
-#if defined (CONFIG_SMC911X_32_BIT)
-static inline u32 __smc911x_reg_read(struct eth_device *dev, u32 offset)
-{
- return *(volatile u32*)(dev->iobase + offset);
-}
-u32 smc911x_reg_read(struct eth_device *dev, u32 offset)
- __attribute__((weak, alias("__smc911x_reg_read")));
-
-static inline void __smc911x_reg_write(struct eth_device *dev,
- u32 offset, u32 val)
-{
- *(volatile u32*)(dev->iobase + offset) = val;
-}
-void smc911x_reg_write(struct eth_device *dev, u32 offset, u32 val)
- __attribute__((weak, alias("__smc911x_reg_write")));
-#elif defined (CONFIG_SMC911X_16_BIT)
-static inline u32 smc911x_reg_read(struct eth_device *dev, u32 offset)
-{
- volatile u16 *addr_16 = (u16 *)(dev->iobase + offset);
- return ((*addr_16 & 0x0000ffff) | (*(addr_16 + 1) << 16));
-}
-static inline void smc911x_reg_write(struct eth_device *dev,
- u32 offset, u32 val)
-{
- *(volatile u16 *)(dev->iobase + offset) = (u16)val;
- *(volatile u16 *)(dev->iobase + offset + 2) = (u16)(val >> 16);
-}
-#else
-#error "SMC911X: undefined bus width"
-#endif /* CONFIG_SMC911X_16_BIT */
+#include <net.h>
/* Below are the register offsets and bit definitions
* of the Lan911x memory space
#define WUCSR_MPEN 0x00000002
/* Chip ID values */
+#define CHIP_89218 0x218a
#define CHIP_9115 0x115
#define CHIP_9116 0x116
#define CHIP_9117 0x117
#define CHIP_9220 0x9220
#define CHIP_9221 0x9221
-struct chip_id {
- u16 id;
- char *name;
-};
-
-static const struct chip_id chip_ids[] = {
- { CHIP_9115, "LAN9115" },
- { CHIP_9116, "LAN9116" },
- { CHIP_9117, "LAN9117" },
- { CHIP_9118, "LAN9118" },
- { CHIP_9211, "LAN9211" },
- { CHIP_9215, "LAN9215" },
- { CHIP_9216, "LAN9216" },
- { CHIP_9217, "LAN9217" },
- { CHIP_9218, "LAN9218" },
- { CHIP_9220, "LAN9220" },
- { CHIP_9221, "LAN9221" },
- { 0, NULL },
-};
-
-static u32 smc911x_get_mac_csr(struct eth_device *dev, u8 reg)
-{
- while (smc911x_reg_read(dev, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
- ;
- smc911x_reg_write(dev, MAC_CSR_CMD,
- MAC_CSR_CMD_CSR_BUSY | MAC_CSR_CMD_R_NOT_W | reg);
- while (smc911x_reg_read(dev, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
- ;
-
- return smc911x_reg_read(dev, MAC_CSR_DATA);
-}
-
-static void smc911x_set_mac_csr(struct eth_device *dev, u8 reg, u32 data)
-{
- while (smc911x_reg_read(dev, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
- ;
- smc911x_reg_write(dev, MAC_CSR_DATA, data);
- smc911x_reg_write(dev, MAC_CSR_CMD, MAC_CSR_CMD_CSR_BUSY | reg);
- while (smc911x_reg_read(dev, MAC_CSR_CMD) & MAC_CSR_CMD_CSR_BUSY)
- ;
-}
-
-static int smc911x_detect_chip(struct eth_device *dev)
-{
- unsigned long val, i;
-
- val = smc911x_reg_read(dev, BYTE_TEST);
- if (val == 0xffffffff) {
- /* Special case -- no chip present */
- return -1;
- } else if (val != 0x87654321) {
- printf(DRIVERNAME ": Invalid chip endian 0x%08lx\n", val);
- return -1;
- }
-
- val = smc911x_reg_read(dev, ID_REV) >> 16;
- for (i = 0; chip_ids[i].id != 0; i++) {
- if (chip_ids[i].id == val) break;
- }
- if (!chip_ids[i].id) {
- printf(DRIVERNAME ": Unknown chip ID %04lx\n", val);
- return -1;
- }
-
- dev->priv = (void *)&chip_ids[i];
-
- return 0;
-}
-
-static void smc911x_reset(struct eth_device *dev)
-{
- int timeout;
-
- /* Take out of PM setting first */
- if (smc911x_reg_read(dev, PMT_CTRL) & PMT_CTRL_READY) {
- /* Write to the bytetest will take out of powerdown */
- smc911x_reg_write(dev, BYTE_TEST, 0x0);
-
- timeout = 10;
-
- while (timeout-- &&
- !(smc911x_reg_read(dev, PMT_CTRL) & PMT_CTRL_READY))
- udelay(10);
- if (!timeout) {
- printf(DRIVERNAME
- ": timeout waiting for PM restore\n");
- return;
- }
- }
-
- /* Disable interrupts */
- smc911x_reg_write(dev, INT_EN, 0);
-
- smc911x_reg_write(dev, HW_CFG, HW_CFG_SRST);
-
- timeout = 1000;
- while (timeout-- && smc911x_reg_read(dev, E2P_CMD) & E2P_CMD_EPC_BUSY)
- udelay(10);
-
- if (!timeout) {
- printf(DRIVERNAME ": reset timeout\n");
- return;
- }
-
- /* Reset the FIFO level and flow control settings */
- smc911x_set_mac_csr(dev, FLOW, FLOW_FCPT | FLOW_FCEN);
- smc911x_reg_write(dev, AFC_CFG, 0x0050287F);
-
- /* Set to LED outputs */
- smc911x_reg_write(dev, GPIO_CFG, 0x70070000);
-}
-
#endif
projects / oweals / u-boot.git / blobdiff