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|
/*
* SMSC LAN9[12]1[567] Network driver
*
* (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#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 */
/* Below are the register offsets and bit definitions
* of the Lan911x memory space
*/
#define RX_DATA_FIFO 0x00
#define TX_DATA_FIFO 0x20
#define TX_CMD_A_INT_ON_COMP 0x80000000
#define TX_CMD_A_INT_BUF_END_ALGN 0x03000000
#define TX_CMD_A_INT_4_BYTE_ALGN 0x00000000
#define TX_CMD_A_INT_16_BYTE_ALGN 0x01000000
#define TX_CMD_A_INT_32_BYTE_ALGN 0x02000000
#define TX_CMD_A_INT_DATA_OFFSET 0x001F0000
#define TX_CMD_A_INT_FIRST_SEG 0x00002000
#define TX_CMD_A_INT_LAST_SEG 0x00001000
#define TX_CMD_A_BUF_SIZE 0x000007FF
#define TX_CMD_B_PKT_TAG 0xFFFF0000
#define TX_CMD_B_ADD_CRC_DISABLE 0x00002000
#define TX_CMD_B_DISABLE_PADDING 0x00001000
#define TX_CMD_B_PKT_BYTE_LENGTH 0x000007FF
#define RX_STATUS_FIFO 0x40
#define RX_STS_PKT_LEN 0x3FFF0000
#define RX_STS_ES 0x00008000
#define RX_STS_BCST 0x00002000
#define RX_STS_LEN_ERR 0x00001000
#define RX_STS_RUNT_ERR 0x00000800
#define RX_STS_MCAST 0x00000400
#define RX_STS_TOO_LONG 0x00000080
#define RX_STS_COLL 0x00000040
#define RX_STS_ETH_TYPE 0x00000020
#define RX_STS_WDOG_TMT 0x00000010
#define RX_STS_MII_ERR 0x00000008
#define RX_STS_DRIBBLING 0x00000004
#define RX_STS_CRC_ERR 0x00000002
#define RX_STATUS_FIFO_PEEK 0x44
#define TX_STATUS_FIFO 0x48
#define TX_STS_TAG 0xFFFF0000
#define TX_STS_ES 0x00008000
#define TX_STS_LOC 0x00000800
#define TX_STS_NO_CARR 0x00000400
#define TX_STS_LATE_COLL 0x00000200
#define TX_STS_MANY_COLL 0x00000100
#define TX_STS_COLL_CNT 0x00000078
#define TX_STS_MANY_DEFER 0x00000004
#define TX_STS_UNDERRUN 0x00000002
#define TX_STS_DEFERRED 0x00000001
#define TX_STATUS_FIFO_PEEK 0x4C
#define ID_REV 0x50
#define ID_REV_CHIP_ID 0xFFFF0000 /* RO */
#define ID_REV_REV_ID 0x0000FFFF /* RO */
#define INT_CFG 0x54
#define INT_CFG_INT_DEAS 0xFF000000 /* R/W */
#define INT_CFG_INT_DEAS_CLR 0x00004000
#define INT_CFG_INT_DEAS_STS 0x00002000
#define INT_CFG_IRQ_INT 0x00001000 /* RO */
#define INT_CFG_IRQ_EN 0x00000100 /* R/W */
/* R/W Not Affected by SW Reset */
#define INT_CFG_IRQ_POL 0x00000010
/* R/W Not Affected by SW Reset */
#define INT_CFG_IRQ_TYPE 0x00000001
#define INT_STS 0x58
#define INT_STS_SW_INT 0x80000000 /* R/WC */
#define INT_STS_TXSTOP_INT 0x02000000 /* R/WC */
#define INT_STS_RXSTOP_INT 0x01000000 /* R/WC */
#define INT_STS_RXDFH_INT 0x00800000 /* R/WC */
#define INT_STS_RXDF_INT 0x00400000 /* R/WC */
#define INT_STS_TX_IOC 0x00200000 /* R/WC */
#define INT_STS_RXD_INT 0x00100000 /* R/WC */
#define INT_STS_GPT_INT 0x00080000 /* R/WC */
#define INT_STS_PHY_INT 0x00040000 /* RO */
#define INT_STS_PME_INT 0x00020000 /* R/WC */
#define INT_STS_TXSO 0x00010000 /* R/WC */
#define INT_STS_RWT 0x00008000 /* R/WC */
#define INT_STS_RXE 0x00004000 /* R/WC */
#define INT_STS_TXE 0x00002000 /* R/WC */
/*#define INT_STS_ERX 0x00001000*/ /* R/WC */
#define INT_STS_TDFU 0x00000800 /* R/WC */
#define INT_STS_TDFO 0x00000400 /* R/WC */
#define INT_STS_TDFA 0x00000200 /* R/WC */
#define INT_STS_TSFF 0x00000100 /* R/WC */
#define INT_STS_TSFL 0x00000080 /* R/WC */
/*#define INT_STS_RXDF 0x00000040*/ /* R/WC */
#define INT_STS_RDFO 0x00000040 /* R/WC */
#define INT_STS_RDFL 0x00000020 /* R/WC */
#define INT_STS_RSFF 0x00000010 /* R/WC */
#define INT_STS_RSFL 0x00000008 /* R/WC */
#define INT_STS_GPIO2_INT 0x00000004 /* R/WC */
#define INT_STS_GPIO1_INT 0x00000002 /* R/WC */
#define INT_STS_GPIO0_INT 0x00000001 /* R/WC */
#define INT_EN 0x5C
#define INT_EN_SW_INT_EN 0x80000000 /* R/W */
#define INT_EN_TXSTOP_INT_EN 0x02000000 /* R/W */
#define INT_EN_RXSTOP_INT_EN 0x01000000 /* R/W */
#define INT_EN_RXDFH_INT_EN 0x00800000 /* R/W */
/*#define INT_EN_RXDF_INT_EN 0x00400000*/ /* R/W */
#define INT_EN_TIOC_INT_EN 0x00200000 /* R/W */
#define INT_EN_RXD_INT_EN 0x00100000 /* R/W */
#define INT_EN_GPT_INT_EN 0x00080000 /* R/W */
#define INT_EN_PHY_INT_EN 0x00040000 /* R/W */
#define INT_EN_PME_INT_EN 0x00020000 /* R/W */
#define INT_EN_TXSO_EN 0x00010000 /* R/W */
#define INT_EN_RWT_EN 0x00008000 /* R/W */
#define INT_EN_RXE_EN 0x00004000 /* R/W */
#define INT_EN_TXE_EN 0x00002000 /* R/W */
/*#define INT_EN_ERX_EN 0x00001000*/ /* R/W */
#define INT_EN_TDFU_EN 0x00000800 /* R/W */
#define INT_EN_TDFO_EN 0x00000400 /* R/W */
#define INT_EN_TDFA_EN 0x00000200 /* R/W */
#define INT_EN_TSFF_EN 0x00000100 /* R/W */
#define INT_EN_TSFL_EN 0x00000080 /* R/W */
/*#define INT_EN_RXDF_EN 0x00000040*/ /* R/W */
#define INT_EN_RDFO_EN 0x00000040 /* R/W */
#define INT_EN_RDFL_EN 0x00000020 /* R/W */
#define INT_EN_RSFF_EN 0x00000010 /* R/W */
#define INT_EN_RSFL_EN 0x00000008 /* R/W */
#define INT_EN_GPIO2_INT 0x00000004 /* R/W */
#define INT_EN_GPIO1_INT 0x00000002 /* R/W */
#define INT_EN_GPIO0_INT 0x00000001 /* R/W */
#define BYTE_TEST 0x64
#define FIFO_INT 0x68
#define FIFO_INT_TX_AVAIL_LEVEL 0xFF000000 /* R/W */
#define FIFO_INT_TX_STS_LEVEL 0x00FF0000 /* R/W */
#define FIFO_INT_RX_AVAIL_LEVEL 0x0000FF00 /* R/W */
#define FIFO_INT_RX_STS_LEVEL 0x000000FF /* R/W */
#define RX_CFG 0x6C
#define RX_CFG_RX_END_ALGN 0xC0000000 /* R/W */
#define RX_CFG_RX_END_ALGN4 0x00000000 /* R/W */
#define RX_CFG_RX_END_ALGN16 0x40000000 /* R/W */
#define RX_CFG_RX_END_ALGN32 0x80000000 /* R/W */
#define RX_CFG_RX_DMA_CNT 0x0FFF0000 /* R/W */
#define RX_CFG_RX_DUMP 0x00008000 /* R/W */
#define RX_CFG_RXDOFF 0x00001F00 /* R/W */
/*#define RX_CFG_RXBAD 0x00000001*/ /* R/W */
#define TX_CFG 0x70
/*#define TX_CFG_TX_DMA_LVL 0xE0000000*/ /* R/W */
/* R/W Self Clearing */
/*#define TX_CFG_TX_DMA_CNT 0x0FFF0000*/
#define TX_CFG_TXS_DUMP 0x00008000 /* Self Clearing */
#define TX_CFG_TXD_DUMP 0x00004000 /* Self Clearing */
#define TX_CFG_TXSAO 0x00000004 /* R/W */
#define TX_CFG_TX_ON 0x00000002 /* R/W */
#define TX_CFG_STOP_TX 0x00000001 /* Self Clearing */
#define HW_CFG 0x74
#define HW_CFG_TTM 0x00200000 /* R/W */
#define HW_CFG_SF 0x00100000 /* R/W */
#define HW_CFG_TX_FIF_SZ 0x000F0000 /* R/W */
#define HW_CFG_TR 0x00003000 /* R/W */
#define HW_CFG_PHY_CLK_SEL 0x00000060 /* R/W */
#define HW_CFG_PHY_CLK_SEL_INT_PHY 0x00000000 /* R/W */
#define HW_CFG_PHY_CLK_SEL_EXT_PHY 0x00000020 /* R/W */
#define HW_CFG_PHY_CLK_SEL_CLK_DIS 0x00000040 /* R/W */
#define HW_CFG_SMI_SEL 0x00000010 /* R/W */
#define HW_CFG_EXT_PHY_DET 0x00000008 /* RO */
#define HW_CFG_EXT_PHY_EN 0x00000004 /* R/W */
#define HW_CFG_32_16_BIT_MODE 0x00000004 /* RO */
#define HW_CFG_SRST_TO 0x00000002 /* RO */
#define HW_CFG_SRST 0x00000001 /* Self Clearing */
#define RX_DP_CTRL 0x78
#define RX_DP_CTRL_RX_FFWD 0x80000000 /* R/W */
#define RX_DP_CTRL_FFWD_BUSY 0x80000000 /* RO */
#define RX_FIFO_INF 0x7C
#define RX_FIFO_INF_RXSUSED 0x00FF0000 /* RO */
#define RX_FIFO_INF_RXDUSED 0x0000FFFF /* RO */
#define TX_FIFO_INF 0x80
#define TX_FIFO_INF_TSUSED 0x00FF0000 /* RO */
#define TX_FIFO_INF_TDFREE 0x0000FFFF /* RO */
#define PMT_CTRL 0x84
#define PMT_CTRL_PM_MODE 0x00003000 /* Self Clearing */
#define PMT_CTRL_PHY_RST 0x00000400 /* Self Clearing */
#define PMT_CTRL_WOL_EN 0x00000200 /* R/W */
#define PMT_CTRL_ED_EN 0x00000100 /* R/W */
/* R/W Not Affected by SW Reset */
#define PMT_CTRL_PME_TYPE 0x00000040
#define PMT_CTRL_WUPS 0x00000030 /* R/WC */
#define PMT_CTRL_WUPS_NOWAKE 0x00000000 /* R/WC */
#define PMT_CTRL_WUPS_ED 0x00000010 /* R/WC */
#define PMT_CTRL_WUPS_WOL 0x00000020 /* R/WC */
#define PMT_CTRL_WUPS_MULTI 0x00000030 /* R/WC */
#define PMT_CTRL_PME_IND 0x00000008 /* R/W */
#define PMT_CTRL_PME_POL 0x00000004 /* R/W */
/* R/W Not Affected by SW Reset */
#define PMT_CTRL_PME_EN 0x00000002
#define PMT_CTRL_READY 0x00000001 /* RO */
#define GPIO_CFG 0x88
#define GPIO_CFG_LED3_EN 0x40000000 /* R/W */
#define GPIO_CFG_LED2_EN 0x20000000 /* R/W */
#define GPIO_CFG_LED1_EN 0x10000000 /* R/W */
#define GPIO_CFG_GPIO2_INT_POL 0x04000000 /* R/W */
#define GPIO_CFG_GPIO1_INT_POL 0x02000000 /* R/W */
#define GPIO_CFG_GPIO0_INT_POL 0x01000000 /* R/W */
#define GPIO_CFG_EEPR_EN 0x00700000 /* R/W */
#define GPIO_CFG_GPIOBUF2 0x00040000 /* R/W */
#define GPIO_CFG_GPIOBUF1 0x00020000 /* R/W */
#define GPIO_CFG_GPIOBUF0 0x00010000 /* R/W */
#define GPIO_CFG_GPIODIR2 0x00000400 /* R/W */
#define GPIO_CFG_GPIODIR1 0x00000200 /* R/W */
#define GPIO_CFG_GPIODIR0 0x00000100 /* R/W */
#define GPIO_CFG_GPIOD4 0x00000010 /* R/W */
#define GPIO_CFG_GPIOD3 0x00000008 /* R/W */
#define GPIO_CFG_GPIOD2 0x00000004 /* R/W */
#define GPIO_CFG_GPIOD1 0x00000002 /* R/W */
#define GPIO_CFG_GPIOD0 0x00000001 /* R/W */
#define GPT_CFG 0x8C
#define GPT_CFG_TIMER_EN 0x20000000 /* R/W */
#define GPT_CFG_GPT_LOAD 0x0000FFFF /* R/W */
#define GPT_CNT 0x90
#define GPT_CNT_GPT_CNT 0x0000FFFF /* RO */
#define ENDIAN 0x98
#define FREE_RUN 0x9C
#define RX_DROP 0xA0
#define MAC_CSR_CMD 0xA4
#define MAC_CSR_CMD_CSR_BUSY 0x80000000 /* Self Clearing */
#define MAC_CSR_CMD_R_NOT_W 0x40000000 /* R/W */
#define MAC_CSR_CMD_CSR_ADDR 0x000000FF /* R/W */
#define MAC_CSR_DATA 0xA8
#define AFC_CFG 0xAC
#define AFC_CFG_AFC_HI 0x00FF0000 /* R/W */
#define AFC_CFG_AFC_LO 0x0000FF00 /* R/W */
#define AFC_CFG_BACK_DUR 0x000000F0 /* R/W */
#define AFC_CFG_FCMULT 0x00000008 /* R/W */
#define AFC_CFG_FCBRD 0x00000004 /* R/W */
#define AFC_CFG_FCADD 0x00000002 /* R/W */
#define AFC_CFG_FCANY 0x00000001 /* R/W */
#define E2P_CMD 0xB0
#define E2P_CMD_EPC_BUSY 0x80000000 /* Self Clearing */
#define E2P_CMD_EPC_CMD 0x70000000 /* R/W */
#define E2P_CMD_EPC_CMD_READ 0x00000000 /* R/W */
#define E2P_CMD_EPC_CMD_EWDS 0x10000000 /* R/W */
#define E2P_CMD_EPC_CMD_EWEN 0x20000000 /* R/W */
#define E2P_CMD_EPC_CMD_WRITE 0x30000000 /* R/W */
#define E2P_CMD_EPC_CMD_WRAL 0x40000000 /* R/W */
#define E2P_CMD_EPC_CMD_ERASE 0x50000000 /* R/W */
#define E2P_CMD_EPC_CMD_ERAL 0x60000000 /* R/W */
#define E2P_CMD_EPC_CMD_RELOAD 0x70000000 /* R/W */
#define E2P_CMD_EPC_TIMEOUT 0x00000200 /* RO */
#define E2P_CMD_MAC_ADDR_LOADED 0x00000100 /* RO */
#define E2P_CMD_EPC_ADDR 0x000000FF /* R/W */
#define E2P_DATA 0xB4
#define E2P_DATA_EEPROM_DATA 0x000000FF /* R/W */
/* end of LAN register offsets and bit definitions */
/* MAC Control and Status registers */
#define MAC_CR 0x01 /* R/W */
/* MAC_CR - MAC Control Register */
#define MAC_CR_RXALL 0x80000000
/* TODO: delete this bit? It is not described in the data sheet. */
#define MAC_CR_HBDIS 0x10000000
#define MAC_CR_RCVOWN 0x00800000
#define MAC_CR_LOOPBK 0x00200000
#define MAC_CR_FDPX 0x00100000
#define MAC_CR_MCPAS 0x00080000
#define MAC_CR_PRMS 0x00040000
#define MAC_CR_INVFILT 0x00020000
#define MAC_CR_PASSBAD 0x00010000
#define MAC_CR_HFILT 0x00008000
#define MAC_CR_HPFILT 0x00002000
#define MAC_CR_LCOLL 0x00001000
#define MAC_CR_BCAST 0x00000800
#define MAC_CR_DISRTY 0x00000400
#define MAC_CR_PADSTR 0x00000100
#define MAC_CR_BOLMT_MASK 0x000000C0
#define MAC_CR_DFCHK 0x00000020
#define MAC_CR_TXEN 0x00000008
#define MAC_CR_RXEN 0x00000004
#define ADDRH 0x02 /* R/W mask 0x0000FFFFUL */
#define ADDRL 0x03 /* R/W mask 0xFFFFFFFFUL */
#define HASHH 0x04 /* R/W */
#define HASHL 0x05 /* R/W */
#define MII_ACC 0x06 /* R/W */
#define MII_ACC_PHY_ADDR 0x0000F800
#define MII_ACC_MIIRINDA 0x000007C0
#define MII_ACC_MII_WRITE 0x00000002
#define MII_ACC_MII_BUSY 0x00000001
#define MII_DATA 0x07 /* R/W mask 0x0000FFFFUL */
#define FLOW 0x08 /* R/W */
#define FLOW_FCPT 0xFFFF0000
#define FLOW_FCPASS 0x00000004
#define FLOW_FCEN 0x00000002
#define FLOW_FCBSY 0x00000001
#define VLAN1 0x09 /* R/W mask 0x0000FFFFUL */
#define VLAN1_VTI1 0x0000ffff
#define VLAN2 0x0A /* R/W mask 0x0000FFFFUL */
#define VLAN2_VTI2 0x0000ffff
#define WUFF 0x0B /* WO */
#define WUCSR 0x0C /* R/W */
#define WUCSR_GUE 0x00000200
#define WUCSR_WUFR 0x00000040
#define WUCSR_MPR 0x00000020
#define WUCSR_WAKE_EN 0x00000004
#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_9118 0x118
#define CHIP_9211 0x9211
#define CHIP_9215 0x115a
#define CHIP_9216 0x116a
#define CHIP_9217 0x117a
#define CHIP_9218 0x118a
#define CHIP_9220 0x9220
#define CHIP_9221 0x9221
struct chip_id {
u16 id;
char *name;
};
static const struct chip_id chip_ids[] = {
{ CHIP_89218, "LAN89218" },
{ 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
", 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
", 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
* Device is already wake up if PMT_CTRL_READY bit is set
*/
if ((smc911x_reg_read(dev, PMT_CTRL) & PMT_CTRL_READY) == 0) {
/* 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 < 0) {
printf(DRIVERNAME
": timeout waiting for PM restore
");
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 < 0) {
printf(DRIVERNAME ": reset timeout
");
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
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