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-rw-r--r--drivers/i2c/Makefile2
-rw-r--r--drivers/i2c/davinci_i2c.c402
-rw-r--r--drivers/i2c/davinci_i2c.h78
-rw-r--r--drivers/mtd/nand/Makefile3
-rw-r--r--drivers/mtd/nand/am335x_spl_bch.c54
-rw-r--r--drivers/mtd/nand/davinci_nand.c3
-rw-r--r--drivers/mtd/spi/spi_spl_load.c46
-rw-r--r--drivers/net/Makefile1
-rw-r--r--drivers/net/keystone_net.c716
-rw-r--r--drivers/serial/ns16550.c8
-rw-r--r--drivers/spi/davinci_spi.c49
-rw-r--r--drivers/spi/davinci_spi.h33
-rw-r--r--drivers/spi/ti_qspi.c3
13 files changed, 1194 insertions, 204 deletions
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 36d5e5f..e33586d 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -6,7 +6,6 @@
#
obj-$(CONFIG_BFIN_TWI_I2C) += bfin-twi_i2c.o
-obj-$(CONFIG_DRIVER_DAVINCI_I2C) += davinci_i2c.o
obj-$(CONFIG_DW_I2C) += designware_i2c.o
obj-$(CONFIG_I2C_MVTWSI) += mvtwsi.o
obj-$(CONFIG_I2C_MV) += mv_i2c.o
@@ -16,6 +15,7 @@ obj-$(CONFIG_TSI108_I2C) += tsi108_i2c.o
obj-$(CONFIG_U8500_I2C) += u8500_i2c.o
obj-$(CONFIG_SH_SH7734_I2C) += sh_sh7734_i2c.o
obj-$(CONFIG_SYS_I2C) += i2c_core.o
+obj-$(CONFIG_SYS_I2C_DAVINCI) += davinci_i2c.o
obj-$(CONFIG_SYS_I2C_FSL) += fsl_i2c.o
obj-$(CONFIG_SYS_I2C_FTI2C010) += fti2c010.o
obj-$(CONFIG_SYS_I2C_KONA) += kona_i2c.o
diff --git a/drivers/i2c/davinci_i2c.c b/drivers/i2c/davinci_i2c.c
index e56fe75..9ca99c4 100644
--- a/drivers/i2c/davinci_i2c.c
+++ b/drivers/i2c/davinci_i2c.c
@@ -1,8 +1,9 @@
/*
* TI DaVinci (TMS320DM644x) I2C driver.
*
- * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
- *
+ * (C) Copyright 2012-2014
+ * Texas Instruments Incorporated, <www.ti.com>
+ * (C) Copyright 2007 Sergey Kubushyn <ksi@koi8.net>
* --------------------------------------------------------
*
* SPDX-License-Identifier: GPL-2.0+
@@ -12,305 +13,372 @@
#include <i2c.h>
#include <asm/arch/hardware.h>
#include <asm/arch/i2c_defs.h>
+#include <asm/io.h>
+#include "davinci_i2c.h"
#define CHECK_NACK() \
do {\
if (tmp & (I2C_TIMEOUT | I2C_STAT_NACK)) {\
- REG(I2C_CON) = 0;\
- return(1);\
- }\
+ REG(&(i2c_base->i2c_con)) = 0;\
+ return 1;\
+ } \
} while (0)
+static struct i2c_regs *davinci_get_base(struct i2c_adapter *adap);
-static int wait_for_bus(void)
+static int wait_for_bus(struct i2c_adapter *adap)
{
+ struct i2c_regs *i2c_base = davinci_get_base(adap);
int stat, timeout;
- REG(I2C_STAT) = 0xffff;
+ REG(&(i2c_base->i2c_stat)) = 0xffff;
for (timeout = 0; timeout < 10; timeout++) {
- if (!((stat = REG(I2C_STAT)) & I2C_STAT_BB)) {
- REG(I2C_STAT) = 0xffff;
- return(0);
+ stat = REG(&(i2c_base->i2c_stat));
+ if (!((stat) & I2C_STAT_BB)) {
+ REG(&(i2c_base->i2c_stat)) = 0xffff;
+ return 0;
}
- REG(I2C_STAT) = stat;
+ REG(&(i2c_base->i2c_stat)) = stat;
udelay(50000);
}
- REG(I2C_STAT) = 0xffff;
- return(1);
+ REG(&(i2c_base->i2c_stat)) = 0xffff;
+ return 1;
}
-static int poll_i2c_irq(int mask)
+static int poll_i2c_irq(struct i2c_adapter *adap, int mask)
{
+ struct i2c_regs *i2c_base = davinci_get_base(adap);
int stat, timeout;
for (timeout = 0; timeout < 10; timeout++) {
udelay(1000);
- stat = REG(I2C_STAT);
- if (stat & mask) {
- return(stat);
- }
+ stat = REG(&(i2c_base->i2c_stat));
+ if (stat & mask)
+ return stat;
}
- REG(I2C_STAT) = 0xffff;
- return(stat | I2C_TIMEOUT);
+ REG(&(i2c_base->i2c_stat)) = 0xffff;
+ return stat | I2C_TIMEOUT;
}
-
-void flush_rx(void)
+static void flush_rx(struct i2c_adapter *adap)
{
+ struct i2c_regs *i2c_base = davinci_get_base(adap);
+
while (1) {
- if (!(REG(I2C_STAT) & I2C_STAT_RRDY))
+ if (!(REG(&(i2c_base->i2c_stat)) & I2C_STAT_RRDY))
break;
- REG(I2C_DRR);
- REG(I2C_STAT) = I2C_STAT_RRDY;
+ REG(&(i2c_base->i2c_drr));
+ REG(&(i2c_base->i2c_stat)) = I2C_STAT_RRDY;
udelay(1000);
}
}
+static uint davinci_i2c_setspeed(struct i2c_adapter *adap, uint speed)
+{
+ struct i2c_regs *i2c_base = davinci_get_base(adap);
+ uint32_t div, psc;
+
+ psc = 2;
+ /* SCLL + SCLH */
+ div = (CONFIG_SYS_HZ_CLOCK / ((psc + 1) * speed)) - 10;
+ REG(&(i2c_base->i2c_psc)) = psc; /* 27MHz / (2 + 1) = 9MHz */
+ REG(&(i2c_base->i2c_scll)) = (div * 50) / 100; /* 50% Duty */
+ REG(&(i2c_base->i2c_sclh)) = div - REG(&(i2c_base->i2c_scll));
+
+ adap->speed = speed;
+ return 0;
+}
-void i2c_init(int speed, int slaveadd)
+static void davinci_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd)
{
- u_int32_t div, psc;
+ struct i2c_regs *i2c_base = davinci_get_base(adap);
- if (REG(I2C_CON) & I2C_CON_EN) {
- REG(I2C_CON) = 0;
- udelay (50000);
+ if (REG(&(i2c_base->i2c_con)) & I2C_CON_EN) {
+ REG(&(i2c_base->i2c_con)) = 0;
+ udelay(50000);
}
- psc = 2;
- div = (CONFIG_SYS_HZ_CLOCK / ((psc + 1) * speed)) - 10; /* SCLL + SCLH */
- REG(I2C_PSC) = psc; /* 27MHz / (2 + 1) = 9MHz */
- REG(I2C_SCLL) = (div * 50) / 100; /* 50% Duty */
- REG(I2C_SCLH) = div - REG(I2C_SCLL);
+ davinci_i2c_setspeed(adap, speed);
- REG(I2C_OA) = slaveadd;
- REG(I2C_CNT) = 0;
+ REG(&(i2c_base->i2c_oa)) = slaveadd;
+ REG(&(i2c_base->i2c_cnt)) = 0;
/* Interrupts must be enabled or I2C module won't work */
- REG(I2C_IE) = I2C_IE_SCD_IE | I2C_IE_XRDY_IE |
+ REG(&(i2c_base->i2c_ie)) = I2C_IE_SCD_IE | I2C_IE_XRDY_IE |
I2C_IE_RRDY_IE | I2C_IE_ARDY_IE | I2C_IE_NACK_IE;
/* Now enable I2C controller (get it out of reset) */
- REG(I2C_CON) = I2C_CON_EN;
+ REG(&(i2c_base->i2c_con)) = I2C_CON_EN;
udelay(1000);
}
-int i2c_set_bus_speed(unsigned int speed)
-{
- i2c_init(speed, CONFIG_SYS_I2C_SLAVE);
- return 0;
-}
-
-int i2c_probe(u_int8_t chip)
+static int davinci_i2c_probe(struct i2c_adapter *adap, uint8_t chip)
{
+ struct i2c_regs *i2c_base = davinci_get_base(adap);
int rc = 1;
- if (chip == REG(I2C_OA)) {
- return(rc);
- }
+ if (chip == REG(&(i2c_base->i2c_oa)))
+ return rc;
- REG(I2C_CON) = 0;
- if (wait_for_bus()) {return(1);}
+ REG(&(i2c_base->i2c_con)) = 0;
+ if (wait_for_bus(adap))
+ return 1;
/* try to read one byte from current (or only) address */
- REG(I2C_CNT) = 1;
- REG(I2C_SA) = chip;
- REG(I2C_CON) = (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP);
- udelay (50000);
+ REG(&(i2c_base->i2c_cnt)) = 1;
+ REG(&(i2c_base->i2c_sa)) = chip;
+ REG(&(i2c_base->i2c_con)) = (I2C_CON_EN | I2C_CON_MST | I2C_CON_STT |
+ I2C_CON_STP);
+ udelay(50000);
- if (!(REG(I2C_STAT) & I2C_STAT_NACK)) {
+ if (!(REG(&(i2c_base->i2c_stat)) & I2C_STAT_NACK)) {
rc = 0;
- flush_rx();
- REG(I2C_STAT) = 0xffff;
+ flush_rx(adap);
+ REG(&(i2c_base->i2c_stat)) = 0xffff;
} else {
- REG(I2C_STAT) = 0xffff;
- REG(I2C_CON) |= I2C_CON_STP;
+ REG(&(i2c_base->i2c_stat)) = 0xffff;
+ REG(&(i2c_base->i2c_con)) |= I2C_CON_STP;
udelay(20000);
- if (wait_for_bus()) {return(1);}
+ if (wait_for_bus(adap))
+ return 1;
}
- flush_rx();
- REG(I2C_STAT) = 0xffff;
- REG(I2C_CNT) = 0;
- return(rc);
+ flush_rx(adap);
+ REG(&(i2c_base->i2c_stat)) = 0xffff;
+ REG(&(i2c_base->i2c_cnt)) = 0;
+ return rc;
}
-
-int i2c_read(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len)
+static int davinci_i2c_read(struct i2c_adapter *adap, uint8_t chip,
+ uint32_t addr, int alen, uint8_t *buf, int len)
{
- u_int32_t tmp;
+ struct i2c_regs *i2c_base = davinci_get_base(adap);
+ uint32_t tmp;
int i;
if ((alen < 0) || (alen > 2)) {
- printf("%s(): bogus address length %x\n", __FUNCTION__, alen);
- return(1);
+ printf("%s(): bogus address length %x\n", __func__, alen);
+ return 1;
}
- if (wait_for_bus()) {return(1);}
+ if (wait_for_bus(adap))
+ return 1;
if (alen != 0) {
/* Start address phase */
tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX;
- REG(I2C_CNT) = alen;
- REG(I2C_SA) = chip;
- REG(I2C_CON) = tmp;
+ REG(&(i2c_base->i2c_cnt)) = alen;
+ REG(&(i2c_base->i2c_sa)) = chip;
+ REG(&(i2c_base->i2c_con)) = tmp;
- tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK);
+ tmp = poll_i2c_irq(adap, I2C_STAT_XRDY | I2C_STAT_NACK);
CHECK_NACK();
switch (alen) {
- case 2:
- /* Send address MSByte */
- if (tmp & I2C_STAT_XRDY) {
- REG(I2C_DXR) = (addr >> 8) & 0xff;
- } else {
- REG(I2C_CON) = 0;
- return(1);
- }
-
- tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK);
-
- CHECK_NACK();
- /* No break, fall through */
- case 1:
- /* Send address LSByte */
- if (tmp & I2C_STAT_XRDY) {
- REG(I2C_DXR) = addr & 0xff;
- } else {
- REG(I2C_CON) = 0;
- return(1);
- }
-
- tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK | I2C_STAT_ARDY);
-
- CHECK_NACK();
-
- if (!(tmp & I2C_STAT_ARDY)) {
- REG(I2C_CON) = 0;
- return(1);
- }
+ case 2:
+ /* Send address MSByte */
+ if (tmp & I2C_STAT_XRDY) {
+ REG(&(i2c_base->i2c_dxr)) = (addr >> 8) & 0xff;
+ } else {
+ REG(&(i2c_base->i2c_con)) = 0;
+ return 1;
+ }
+
+ tmp = poll_i2c_irq(adap, I2C_STAT_XRDY | I2C_STAT_NACK);
+
+ CHECK_NACK();
+ /* No break, fall through */
+ case 1:
+ /* Send address LSByte */
+ if (tmp & I2C_STAT_XRDY) {
+ REG(&(i2c_base->i2c_dxr)) = addr & 0xff;
+ } else {
+ REG(&(i2c_base->i2c_con)) = 0;
+ return 1;
+ }
+
+ tmp = poll_i2c_irq(adap, I2C_STAT_XRDY |
+ I2C_STAT_NACK | I2C_STAT_ARDY);
+
+ CHECK_NACK();
+
+ if (!(tmp & I2C_STAT_ARDY)) {
+ REG(&(i2c_base->i2c_con)) = 0;
+ return 1;
+ }
}
}
/* Address phase is over, now read 'len' bytes and stop */
tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_STP;
- REG(I2C_CNT) = len & 0xffff;
- REG(I2C_SA) = chip;
- REG(I2C_CON) = tmp;
+ REG(&(i2c_base->i2c_cnt)) = len & 0xffff;
+ REG(&(i2c_base->i2c_sa)) = chip;
+ REG(&(i2c_base->i2c_con)) = tmp;
for (i = 0; i < len; i++) {
- tmp = poll_i2c_irq(I2C_STAT_RRDY | I2C_STAT_NACK | I2C_STAT_ROVR);
+ tmp = poll_i2c_irq(adap, I2C_STAT_RRDY | I2C_STAT_NACK |
+ I2C_STAT_ROVR);
CHECK_NACK();
if (tmp & I2C_STAT_RRDY) {
- buf[i] = REG(I2C_DRR);
+ buf[i] = REG(&(i2c_base->i2c_drr));
} else {
- REG(I2C_CON) = 0;
- return(1);
+ REG(&(i2c_base->i2c_con)) = 0;
+ return 1;
}
}
- tmp = poll_i2c_irq(I2C_STAT_SCD | I2C_STAT_NACK);
+ tmp = poll_i2c_irq(adap, I2C_STAT_SCD | I2C_STAT_NACK);
CHECK_NACK();
if (!(tmp & I2C_STAT_SCD)) {
- REG(I2C_CON) = 0;
- return(1);
+ REG(&(i2c_base->i2c_con)) = 0;
+ return 1;
}
- flush_rx();
- REG(I2C_STAT) = 0xffff;
- REG(I2C_CNT) = 0;
- REG(I2C_CON) = 0;
+ flush_rx(adap);
+ REG(&(i2c_base->i2c_stat)) = 0xffff;
+ REG(&(i2c_base->i2c_cnt)) = 0;
+ REG(&(i2c_base->i2c_con)) = 0;
- return(0);
+ return 0;
}
-
-int i2c_write(u_int8_t chip, u_int32_t addr, int alen, u_int8_t *buf, int len)
+static int davinci_i2c_write(struct i2c_adapter *adap, uint8_t chip,
+ uint32_t addr, int alen, uint8_t *buf, int len)
{
- u_int32_t tmp;
+ struct i2c_regs *i2c_base = davinci_get_base(adap);
+ uint32_t tmp;
int i;
if ((alen < 0) || (alen > 2)) {
- printf("%s(): bogus address length %x\n", __FUNCTION__, alen);
- return(1);
+ printf("%s(): bogus address length %x\n", __func__, alen);
+ return 1;
}
if (len < 0) {
- printf("%s(): bogus length %x\n", __FUNCTION__, len);
- return(1);
+ printf("%s(): bogus length %x\n", __func__, len);
+ return 1;
}
- if (wait_for_bus()) {return(1);}
+ if (wait_for_bus(adap))
+ return 1;
/* Start address phase */
- tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX | I2C_CON_STP;
- REG(I2C_CNT) = (alen == 0) ? len & 0xffff : (len & 0xffff) + alen;
- REG(I2C_SA) = chip;
- REG(I2C_CON) = tmp;
+ tmp = I2C_CON_EN | I2C_CON_MST | I2C_CON_STT |
+ I2C_CON_TRX | I2C_CON_STP;
+ REG(&(i2c_base->i2c_cnt)) = (alen == 0) ?
+ len & 0xffff : (len & 0xffff) + alen;
+ REG(&(i2c_base->i2c_sa)) = chip;
+ REG(&(i2c_base->i2c_con)) = tmp;
switch (alen) {
- case 2:
- /* Send address MSByte */
- tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK);
+ case 2:
+ /* Send address MSByte */
+ tmp = poll_i2c_irq(adap, I2C_STAT_XRDY | I2C_STAT_NACK);
- CHECK_NACK();
+ CHECK_NACK();
- if (tmp & I2C_STAT_XRDY) {
- REG(I2C_DXR) = (addr >> 8) & 0xff;
- } else {
- REG(I2C_CON) = 0;
- return(1);
- }
- /* No break, fall through */
- case 1:
- /* Send address LSByte */
- tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK);
+ if (tmp & I2C_STAT_XRDY) {
+ REG(&(i2c_base->i2c_dxr)) = (addr >> 8) & 0xff;
+ } else {
+ REG(&(i2c_base->i2c_con)) = 0;
+ return 1;
+ }
+ /* No break, fall through */
+ case 1:
+ /* Send address LSByte */
+ tmp = poll_i2c_irq(adap, I2C_STAT_XRDY | I2C_STAT_NACK);
- CHECK_NACK();
+ CHECK_NACK();
- if (tmp & I2C_STAT_XRDY) {
- REG(I2C_DXR) = addr & 0xff;
- } else {
- REG(I2C_CON) = 0;
- return(1);
- }
+ if (tmp & I2C_STAT_XRDY) {
+ REG(&(i2c_base->i2c_dxr)) = addr & 0xff;
+ } else {
+ REG(&(i2c_base->i2c_con)) = 0;
+ return 1;
+ }
}
for (i = 0; i < len; i++) {
- tmp = poll_i2c_irq(I2C_STAT_XRDY | I2C_STAT_NACK);
+ tmp = poll_i2c_irq(adap, I2C_STAT_XRDY | I2C_STAT_NACK);
CHECK_NACK();
- if (tmp & I2C_STAT_XRDY) {
- REG(I2C_DXR) = buf[i];
- } else {
- return(1);
- }
+ if (tmp & I2C_STAT_XRDY)
+ REG(&(i2c_base->i2c_dxr)) = buf[i];
+ else
+ return 1;
}
- tmp = poll_i2c_irq(I2C_STAT_SCD | I2C_STAT_NACK);
+ tmp = poll_i2c_irq(adap, I2C_STAT_SCD | I2C_STAT_NACK);
CHECK_NACK();
if (!(tmp & I2C_STAT_SCD)) {
- REG(I2C_CON) = 0;
- return(1);
+ REG(&(i2c_base->i2c_con)) = 0;
+ return 1;
}
- flush_rx();
- REG(I2C_STAT) = 0xffff;
- REG(I2C_CNT) = 0;
- REG(I2C_CON) = 0;
+ flush_rx(adap);
+ REG(&(i2c_base->i2c_stat)) = 0xffff;
+ REG(&(i2c_base->i2c_cnt)) = 0;
+ REG(&(i2c_base->i2c_con)) = 0;
+
+ return 0;
+}
+
+static struct i2c_regs *davinci_get_base(struct i2c_adapter *adap)
+{
+ switch (adap->hwadapnr) {
+#if I2C_BUS_MAX >= 3
+ case 2:
+ return (struct i2c_regs *)I2C2_BASE;
+#endif
+#if I2C_BUS_MAX >= 2
+ case 1:
+ return (struct i2c_regs *)I2C1_BASE;
+#endif
+ case 0:
+ return (struct i2c_regs *)I2C_BASE;
+
+ default:
+ printf("wrong hwadapnr: %d\n", adap->hwadapnr);
+ }
- return(0);
+ return NULL;
}
+
+U_BOOT_I2C_ADAP_COMPLETE(davinci_0, davinci_i2c_init, davinci_i2c_probe,
+ davinci_i2c_read, davinci_i2c_write,
+ davinci_i2c_setspeed,
+ CONFIG_SYS_DAVINCI_I2C_SPEED,
+ CONFIG_SYS_DAVINCI_I2C_SLAVE,
+ 0)
+
+#if I2C_BUS_MAX >= 2
+U_BOOT_I2C_ADAP_COMPLETE(davinci_1, davinci_i2c_init, davinci_i2c_probe,
+ davinci_i2c_read, davinci_i2c_write,
+ davinci_i2c_setspeed,
+ CONFIG_SYS_DAVINCI_I2C_SPEED1,
+ CONFIG_SYS_DAVINCI_I2C_SLAVE1,
+ 1)
+#endif
+
+#if I2C_BUS_MAX >= 3
+U_BOOT_I2C_ADAP_COMPLETE(davinci_2, davinci_i2c_init, davinci_i2c_probe,
+ davinci_i2c_read, davinci_i2c_write,
+ davinci_i2c_setspeed,
+ CONFIG_SYS_DAVINCI_I2C_SPEED2,
+ CONFIG_SYS_DAVINCI_I2C_SLAVE2,
+ 2)
+#endif
diff --git a/drivers/i2c/davinci_i2c.h b/drivers/i2c/davinci_i2c.h
new file mode 100644
index 0000000..20d4342
--- /dev/null
+++ b/drivers/i2c/davinci_i2c.h
@@ -0,0 +1,78 @@
+/*
+ * (C) Copyright 2004-2014
+ * Texas Instruments, <www.ti.com>
+ *
+ * Some changes copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef _DAVINCI_I2C_H_
+#define _DAVINCI_I2C_H_
+
+#define I2C_WRITE 0
+#define I2C_READ 1
+
+struct i2c_regs {
+ u32 i2c_oa;
+ u32 i2c_ie;
+ u32 i2c_stat;
+ u32 i2c_scll;
+ u32 i2c_sclh;
+ u32 i2c_cnt;
+ u32 i2c_drr;
+ u32 i2c_sa;
+ u32 i2c_dxr;
+ u32 i2c_con;
+ u32 i2c_iv;
+ u32 res_2c;
+ u32 i2c_psc;
+};
+
+/* I2C masks */
+
+/* I2C Interrupt Enable Register (I2C_IE): */
+#define I2C_IE_SCD_IE (1 << 5) /* Stop condition detect interrupt enable */
+#define I2C_IE_XRDY_IE (1 << 4) /* Transmit data ready interrupt enable */
+#define I2C_IE_RRDY_IE (1 << 3) /* Receive data ready interrupt enable */
+#define I2C_IE_ARDY_IE (1 << 2) /* Register access ready interrupt enable */
+#define I2C_IE_NACK_IE (1 << 1) /* No acknowledgment interrupt enable */
+#define I2C_IE_AL_IE (1 << 0) /* Arbitration lost interrupt enable */
+
+/* I2C Status Register (I2C_STAT): */
+
+#define I2C_STAT_BB (1 << 12) /* Bus busy */
+#define I2C_STAT_ROVR (1 << 11) /* Receive overrun */
+#define I2C_STAT_XUDF (1 << 10) /* Transmit underflow */
+#define I2C_STAT_AAS (1 << 9) /* Address as slave */
+#define I2C_STAT_SCD (1 << 5) /* Stop condition detect */
+#define I2C_STAT_XRDY (1 << 4) /* Transmit data ready */
+#define I2C_STAT_RRDY (1 << 3) /* Receive data ready */
+#define I2C_STAT_ARDY (1 << 2) /* Register access ready */
+#define I2C_STAT_NACK (1 << 1) /* No acknowledgment interrupt enable */
+#define I2C_STAT_AL (1 << 0) /* Arbitration lost interrupt enable */
+
+/* I2C Interrupt Code Register (I2C_INTCODE): */
+
+#define I2C_INTCODE_MASK 7
+#define I2C_INTCODE_NONE 0
+#define I2C_INTCODE_AL 1 /* Arbitration lost */
+#define I2C_INTCODE_NAK 2 /* No acknowledgement/general call */
+#define I2C_INTCODE_ARDY 3 /* Register access ready */
+#define I2C_INTCODE_RRDY 4 /* Rcv data ready */
+#define I2C_INTCODE_XRDY 5 /* Xmit data ready */
+#define I2C_INTCODE_SCD 6 /* Stop condition detect */
+
+/* I2C Configuration Register (I2C_CON): */
+
+#define I2C_CON_EN (1 << 5) /* I2C module enable */
+#define I2C_CON_STB (1 << 4) /* Start byte mode (master mode only) */
+#define I2C_CON_MST (1 << 10) /* Master/slave mode */
+#define I2C_CON_TRX (1 << 9) /* Tx/Rx mode (master mode only) */
+#define I2C_CON_XA (1 << 8) /* Expand address */
+#define I2C_CON_STP (1 << 11) /* Stop condition (master mode only) */
+#define I2C_CON_STT (1 << 13) /* Start condition (master mode only) */
+#define I2C_CON_FREE (1 << 14) /* Free run on emulation */
+
+#define I2C_TIMEOUT 0xffff0000 /* Timeout mask for poll_i2c_irq() */
+
+#endif
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 02b149c..4eb354d 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -18,6 +18,9 @@ obj-$(CONFIG_SPL_NAND_LOAD) += nand_spl_load.o
obj-$(CONFIG_SPL_NAND_ECC) += nand_ecc.o
obj-$(CONFIG_SPL_NAND_BASE) += nand_base.o
obj-$(CONFIG_SPL_NAND_INIT) += nand.o
+ifeq ($(CONFIG_SPL_ENV_SUPPORT),y)
+obj-$(CONFIG_ENV_IS_IN_NAND) += nand_util.o
+endif
else # not spl
diff --git a/drivers/mtd/nand/am335x_spl_bch.c b/drivers/mtd/nand/am335x_spl_bch.c
index c84851b..bd89b06 100644
--- a/drivers/mtd/nand/am335x_spl_bch.c
+++ b/drivers/mtd/nand/am335x_spl_bch.c
@@ -16,7 +16,7 @@
#include <linux/mtd/nand_ecc.h>
static int nand_ecc_pos[] = CONFIG_SYS_NAND_ECCPOS;
-static nand_info_t mtd;
+nand_info_t nand_info[1];
static struct nand_chip nand_chip;
#define ECCSTEPS (CONFIG_SYS_NAND_PAGE_SIZE / \
@@ -30,12 +30,12 @@ static struct nand_chip nand_chip;
static int nand_command(int block, int page, uint32_t offs,
u8 cmd)
{
- struct nand_chip *this = mtd.priv;
+ struct nand_chip *this = nand_info[0].priv;
int page_addr = page + block * CONFIG_SYS_NAND_PAGE_COUNT;
void (*hwctrl)(struct mtd_info *mtd, int cmd,
unsigned int ctrl) = this->cmd_ctrl;
- while (!this->dev_ready(&mtd))
+ while (!this->dev_ready(&nand_info[0]))
;
/* Emulate NAND_CMD_READOOB */
@@ -45,11 +45,11 @@ static int nand_command(int block, int page, uint32_t offs,
}
/* Begin command latch cycle */
- hwctrl(&mtd, cmd, NAND_CTRL_CLE | NAND_CTRL_CHANGE);
+ hwctrl(&nand_info[0], cmd, NAND_CTRL_CLE | NAND_CTRL_CHANGE);
if (cmd == NAND_CMD_RESET) {
- hwctrl(&mtd, NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
- while (!this->dev_ready(&mtd))
+ hwctrl(&nand_info[0], NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
+ while (!this->dev_ready(&nand_info[0]))
;
return 0;
}
@@ -60,35 +60,35 @@ static int nand_command(int block, int page, uint32_t offs,
/* Set ALE and clear CLE to start address cycle */
/* Column address */
- hwctrl(&mtd, offs & 0xff,
+ hwctrl(&nand_info[0], offs & 0xff,
NAND_CTRL_ALE | NAND_CTRL_CHANGE); /* A[7:0] */
- hwctrl(&mtd, (offs >> 8) & 0xff, NAND_CTRL_ALE); /* A[11:9] */
+ hwctrl(&nand_info[0], (offs >> 8) & 0xff, NAND_CTRL_ALE); /* A[11:9] */
/* Row address */
- hwctrl(&mtd, (page_addr & 0xff), NAND_CTRL_ALE); /* A[19:12] */
- hwctrl(&mtd, ((page_addr >> 8) & 0xff),
+ hwctrl(&nand_info[0], (page_addr & 0xff), NAND_CTRL_ALE); /* A[19:12] */
+ hwctrl(&nand_info[0], ((page_addr >> 8) & 0xff),
NAND_CTRL_ALE); /* A[27:20] */
#ifdef CONFIG_SYS_NAND_5_ADDR_CYCLE
/* One more address cycle for devices > 128MiB */
- hwctrl(&mtd, (page_addr >> 16) & 0x0f,
+ hwctrl(&nand_info[0], (page_addr >> 16) & 0x0f,
NAND_CTRL_ALE); /* A[31:28] */
#endif
- hwctrl(&mtd, NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
+ hwctrl(&nand_info[0], NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
if (cmd == NAND_CMD_READ0) {
/* Latch in address */
- hwctrl(&mtd, NAND_CMD_READSTART,
+ hwctrl(&nand_info[0], NAND_CMD_READSTART,
NAND_CTRL_CLE | NAND_CTRL_CHANGE);
- hwctrl(&mtd, NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
+ hwctrl(&nand_info[0], NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
/*
* Wait a while for the data to be ready
*/
- while (!this->dev_ready(&mtd))
+ while (!this->dev_ready(&nand_info[0]))
;
} else if (cmd == NAND_CMD_RNDOUT) {
- hwctrl(&mtd, NAND_CMD_RNDOUTSTART, NAND_CTRL_CLE |
+ hwctrl(&nand_info[0], NAND_CMD_RNDOUTSTART, NAND_CTRL_CLE |
NAND_CTRL_CHANGE);
- hwctrl(&mtd, NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
+ hwctrl(&nand_info[0], NAND_CMD_NONE, NAND_NCE | NAND_CTRL_CHANGE);
}
return 0;
@@ -96,7 +96,7 @@ static int nand_command(int block, int page, uint32_t offs,
static int nand_is_bad_block(int block)
{
- struct nand_chip *this = mtd.priv;
+ struct nand_chip *this = nand_info[0].priv;
nand_command(block, 0, CONFIG_SYS_NAND_BAD_BLOCK_POS,
NAND_CMD_READOOB);
@@ -117,7 +117,7 @@ static int nand_is_bad_block(int block)
static int nand_read_page(int block, int page, void *dst)
{
- struct nand_chip *this = mtd.priv;
+ struct nand_chip *this = nand_info[0].priv;
u_char ecc_calc[ECCTOTAL];
u_char ecc_code[ECCTOTAL];
u_char oob_data[CONFIG_SYS_NAND_OOBSIZE];
@@ -133,15 +133,15 @@ static int nand_read_page(int block, int page, void *dst)
nand_command(block, page, 0, NAND_CMD_READ0);
for (i = 0; eccsteps; eccsteps--, i += eccbytes, p += eccsize) {
- this->ecc.hwctl(&mtd, NAND_ECC_READ);
+ this->ecc.hwctl(&nand_info[0], NAND_ECC_READ);
nand_command(block, page, data_pos, NAND_CMD_RNDOUT);
- this->read_buf(&mtd, p, eccsize);
+ this->read_buf(&nand_info[0], p, eccsize);
nand_command(block, page, oob_pos, NAND_CMD_RNDOUT);
- this->read_buf(&mtd, oob, eccbytes);
- this->ecc.calculate(&mtd, p, &ecc_calc[i]);
+ this->read_buf(&nand_info[0], oob, eccbytes);
+ this->ecc.calculate(&nand_info[0], p, &ecc_calc[i]);
data_pos += eccsize;
oob_pos += eccbytes;
@@ -160,7 +160,7 @@ static int nand_read_page(int block, int page, void *dst)
* from correct_data(). We just hope that all possible errors
* are corrected by this routine.
*/
- this->ecc.correct(&mtd, p, &ecc_code[i], &ecc_calc[i]);
+ this->ecc.correct(&nand_info[0], p, &ecc_code[i], &ecc_calc[i]);
}
return 0;
@@ -206,13 +206,13 @@ void nand_init(void)
/*
* Init board specific nand support
*/
- mtd.priv = &nand_chip;
+ nand_info[0].priv = &nand_chip;
nand_chip.IO_ADDR_R = nand_chip.IO_ADDR_W =
(void __iomem *)CONFIG_SYS_NAND_BASE;
board_nand_init(&nand_chip);
if (nand_chip.select_chip)
- nand_chip.select_chip(&mtd, 0);
+ nand_chip.select_chip(&nand_info[0], 0);
/* NAND chip may require reset after power-on */
nand_command(0, 0, 0, NAND_CMD_RESET);
@@ -222,5 +222,5 @@ void nand_init(void)
void nand_deselect(void)
{
if (nand_chip.select_chip)
- nand_chip.select_chip(&mtd, -1);
+ nand_chip.select_chip(&nand_info[0], -1);
}
diff --git a/drivers/mtd/nand/davinci_nand.c b/drivers/mtd/nand/davinci_nand.c
index 5b17d7b..75b03a7 100644
--- a/drivers/mtd/nand/davinci_nand.c
+++ b/drivers/mtd/nand/davinci_nand.c
@@ -609,6 +609,9 @@ void davinci_nand_init(struct nand_chip *nand)
#ifdef CONFIG_SYS_NAND_USE_FLASH_BBT
nand->bbt_options |= NAND_BBT_USE_FLASH;
#endif
+#ifdef CONFIG_SYS_NAND_NO_SUBPAGE_WRITE
+ nand->options |= NAND_NO_SUBPAGE_WRITE;
+#endif
#ifdef CONFIG_SYS_NAND_HW_ECC
nand->ecc.mode = NAND_ECC_HW;
nand->ecc.size = 512;
diff --git a/drivers/mtd/spi/spi_spl_load.c b/drivers/mtd/spi/spi_spl_load.c
index 2935530..1954b7e 100644
--- a/drivers/mtd/spi/spi_spl_load.c
+++ b/drivers/mtd/spi/spi_spl_load.c
@@ -13,6 +13,35 @@
#include <spi_flash.h>
#include <spl.h>
+#ifdef CONFIG_SPL_OS_BOOT
+/*
+ * Load the kernel, check for a valid header we can parse, and if found load
+ * the kernel and then device tree.
+ */
+static int spi_load_image_os(struct spi_flash *flash,
+ struct image_header *header)
+{
+ /* Read for a header, parse or error out. */
+ spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS, 0x40,
+ (void *)header);
+
+ if (image_get_magic(header) != IH_MAGIC)
+ return -1;
+
+ spl_parse_image_header(header);
+
+ spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS,
+ spl_image.size, (void *)spl_image.load_addr);
+
+ /* Read device tree. */
+ spi_flash_read(flash, CONFIG_SYS_SPI_ARGS_OFFS,
+ CONFIG_SYS_SPI_ARGS_SIZE,
+ (void *)CONFIG_SYS_SPL_ARGS_ADDR);
+
+ return 0;
+}
+#endif
+
/*
* The main entry for SPI booting. It's necessary that SDRAM is already
* configured and available since this code loads the main U-Boot image
@@ -37,10 +66,15 @@ void spl_spi_load_image(void)
/* use CONFIG_SYS_TEXT_BASE as temporary storage area */
header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
- /* Load u-boot, mkimage header is 64 bytes. */
- spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, 0x40,
- (void *)header);
- spl_parse_image_header(header);
- spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS,
- spl_image.size, (void *)spl_image.load_addr);
+#ifdef CONFIG_SPL_OS_BOOT
+ if (spl_start_uboot() || spi_load_image_os(flash, header))
+#endif
+ {
+ /* Load u-boot, mkimage header is 64 bytes. */
+ spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, 0x40,
+ (void *)header);
+ spl_parse_image_header(header);
+ spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS,
+ spl_image.size, (void *)spl_image.load_addr);
+ }
}
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 7f9ce90..6005f7e 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -30,6 +30,7 @@ obj-$(CONFIG_FTMAC110) += ftmac110.o
obj-$(CONFIG_FTMAC100) += ftmac100.o
obj-$(CONFIG_GRETH) += greth.o
obj-$(CONFIG_INCA_IP_SWITCH) += inca-ip_sw.o
+obj-$(CONFIG_DRIVER_TI_KEYSTONE_NET) += keystone_net.o
obj-$(CONFIG_DRIVER_KS8695ETH) += ks8695eth.o
obj-$(CONFIG_KS8851_MLL) += ks8851_mll.o
obj-$(CONFIG_LAN91C96) += lan91c96.o
diff --git a/drivers/net/keystone_net.c b/drivers/net/keystone_net.c
new file mode 100644
index 0000000..f95c928
--- /dev/null
+++ b/drivers/net/keystone_net.c
@@ -0,0 +1,716 @@
+/*
+ * Ethernet driver for TI K2HK EVM.
+ *
+ * (C) Copyright 2012-2014
+ * Texas Instruments Incorporated, <www.ti.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+#include <command.h>
+
+#include <net.h>
+#include <miiphy.h>
+#include <malloc.h>
+#include <asm/arch/emac_defs.h>
+#include <asm/arch/psc_defs.h>
+#include <asm/arch/keystone_nav.h>
+
+unsigned int emac_dbg;
+
+unsigned int emac_open;
+static unsigned int sys_has_mdio = 1;
+
+#ifdef KEYSTONE2_EMAC_GIG_ENABLE
+#define emac_gigabit_enable(x) keystone2_eth_gigabit_enable(x)
+#else
+#define emac_gigabit_enable(x) /* no gigabit to enable */
+#endif
+
+#define RX_BUFF_NUMS 24
+#define RX_BUFF_LEN 1520
+#define MAX_SIZE_STREAM_BUFFER RX_BUFF_LEN
+
+static u8 rx_buffs[RX_BUFF_NUMS * RX_BUFF_LEN] __aligned(16);
+
+struct rx_buff_desc net_rx_buffs = {
+ .buff_ptr = rx_buffs,
+ .num_buffs = RX_BUFF_NUMS,
+ .buff_len = RX_BUFF_LEN,
+ .rx_flow = 22,
+};
+
+static void keystone2_eth_mdio_enable(void);
+
+static int gen_get_link_speed(int phy_addr);
+
+/* EMAC Addresses */
+static volatile struct emac_regs *adap_emac =
+ (struct emac_regs *)EMAC_EMACSL_BASE_ADDR;
+static volatile struct mdio_regs *adap_mdio =
+ (struct mdio_regs *)EMAC_MDIO_BASE_ADDR;
+
+int keystone2_eth_read_mac_addr(struct eth_device *dev)
+{
+ struct eth_priv_t *eth_priv;
+ u32 maca = 0;
+ u32 macb = 0;
+
+ eth_priv = (struct eth_priv_t *)dev->priv;
+
+ /* Read the e-fuse mac address */
+ if (eth_priv->slave_port == 1) {
+ maca = __raw_readl(MAC_ID_BASE_ADDR);
+ macb = __raw_readl(MAC_ID_BASE_ADDR + 4);
+ }
+
+ dev->enetaddr[0] = (macb >> 8) & 0xff;
+ dev->enetaddr[1] = (macb >> 0) & 0xff;
+ dev->enetaddr[2] = (maca >> 24) & 0xff;
+ dev->enetaddr[3] = (maca >> 16) & 0xff;
+ dev->enetaddr[4] = (maca >> 8) & 0xff;
+ dev->enetaddr[5] = (maca >> 0) & 0xff;
+
+ return 0;
+}
+
+static void keystone2_eth_mdio_enable(void)
+{
+ u_int32_t clkdiv;
+
+ clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1;
+
+ writel((clkdiv & 0xffff) |
+ MDIO_CONTROL_ENABLE |
+ MDIO_CONTROL_FAULT |
+ MDIO_CONTROL_FAULT_ENABLE,
+ &adap_mdio->control);
+
+ while (readl(&adap_mdio->control) & MDIO_CONTROL_IDLE)
+ ;
+}
+
+/* Read a PHY register via MDIO inteface. Returns 1 on success, 0 otherwise */
+int keystone2_eth_phy_read(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t *data)
+{
+ int tmp;
+
+ while (readl(&adap_mdio->useraccess0) & MDIO_USERACCESS0_GO)
+ ;
+
+ writel(MDIO_USERACCESS0_GO |
+ MDIO_USERACCESS0_WRITE_READ |
+ ((reg_num & 0x1f) << 21) |
+ ((phy_addr & 0x1f) << 16),
+ &adap_mdio->useraccess0);
+
+ /* Wait for command to complete */
+ while ((tmp = readl(&adap_mdio->useraccess0)) & MDIO_USERACCESS0_GO)
+ ;
+
+ if (tmp & MDIO_USERACCESS0_ACK) {
+ *data = tmp & 0xffff;
+ return 0;
+ }
+
+ *data = -1;
+ return -1;
+}
+
+/*
+ * Write to a PHY register via MDIO inteface.
+ * Blocks until operation is complete.
+ */
+int keystone2_eth_phy_write(u_int8_t phy_addr, u_int8_t reg_num, u_int16_t data)
+{
+ while (readl(&adap_mdio->useraccess0) & MDIO_USERACCESS0_GO)
+ ;
+
+ writel(MDIO_USERACCESS0_GO |
+ MDIO_USERACCESS0_WRITE_WRITE |
+ ((reg_num & 0x1f) << 21) |
+ ((phy_addr & 0x1f) << 16) |
+ (data & 0xffff),
+ &adap_mdio->useraccess0);
+
+ /* Wait for command to complete */
+ while (readl(&adap_mdio->useraccess0) & MDIO_USERACCESS0_GO)
+ ;
+
+ return 0;
+}
+
+/* PHY functions for a generic PHY */
+static int gen_get_link_speed(int phy_addr)
+{
+ u_int16_t tmp;
+
+ if ((!keystone2_eth_phy_read(phy_addr, MII_STATUS_REG, &tmp)) &&
+ (tmp & 0x04)) {
+ return 0;
+ }
+
+ return -1;
+}
+
+static void __attribute__((unused))
+ keystone2_eth_gigabit_enable(struct eth_device *dev)
+{
+ u_int16_t data;
+ struct eth_priv_t *eth_priv = (struct eth_priv_t *)dev->priv;
+
+ if (sys_has_mdio) {
+ if (keystone2_eth_phy_read(eth_priv->phy_addr, 0, &data) ||
+ !(data & (1 << 6))) /* speed selection MSB */
+ return;
+ }
+
+ /*
+ * Check if link detected is giga-bit
+ * If Gigabit mode detected, enable gigbit in MAC
+ */
+ writel(readl(&(adap_emac[eth_priv->slave_port - 1].maccontrol)) |
+ EMAC_MACCONTROL_GIGFORCE | EMAC_MACCONTROL_GIGABIT_ENABLE,
+ &(adap_emac[eth_priv->slave_port - 1].maccontrol))
+ ;
+}
+
+int keystone_sgmii_link_status(int port)
+{
+ u32 status = 0;
+
+ status = __raw_readl(SGMII_STATUS_REG(port));
+
+ return status & SGMII_REG_STATUS_LINK;
+}
+
+
+int keystone_get_link_status(struct eth_device *dev)
+{
+ struct eth_priv_t *eth_priv = (struct eth_priv_t *)dev->priv;
+ int sgmii_link;
+ int link_state = 0;
+#if CONFIG_GET_LINK_STATUS_ATTEMPTS > 1
+ int j;
+
+ for (j = 0; (j < CONFIG_GET_LINK_STATUS_ATTEMPTS) && (link_state == 0);
+ j++) {
+#endif
+ sgmii_link =
+ keystone_sgmii_link_status(eth_priv->slave_port - 1);
+
+ if (sgmii_link) {
+ link_state = 1;
+
+ if (eth_priv->sgmii_link_type == SGMII_LINK_MAC_PHY)
+ if (gen_get_link_speed(eth_priv->phy_addr))
+ link_state = 0;
+ }
+#if CONFIG_GET_LINK_STATUS_ATTEMPTS > 1
+ }
+#endif
+ return link_state;
+}
+
+int keystone_sgmii_config(int port, int interface)
+{
+ unsigned int i, status, mask;
+ unsigned int mr_adv_ability, control;
+
+ switch (interface) {
+ case SGMII_LINK_MAC_MAC_AUTONEG:
+ mr_adv_ability = (SGMII_REG_MR_ADV_ENABLE |
+ SGMII_REG_MR_ADV_LINK |
+ SGMII_REG_MR_ADV_FULL_DUPLEX |
+ SGMII_REG_MR_ADV_GIG_MODE);
+ control = (SGMII_REG_CONTROL_MASTER |
+ SGMII_REG_CONTROL_AUTONEG);
+
+ break;
+ case SGMII_LINK_MAC_PHY:
+ case SGMII_LINK_MAC_PHY_FORCED:
+ mr_adv_ability = SGMII_REG_MR_ADV_ENABLE;
+ control = SGMII_REG_CONTROL_AUTONEG;
+
+ break;
+ case SGMII_LINK_MAC_MAC_FORCED:
+ mr_adv_ability = (SGMII_REG_MR_ADV_ENABLE |
+ SGMII_REG_MR_ADV_LINK |
+ SGMII_REG_MR_ADV_FULL_DUPLEX |
+ SGMII_REG_MR_ADV_GIG_MODE);
+ control = SGMII_REG_CONTROL_MASTER;
+
+ break;
+ case SGMII_LINK_MAC_FIBER:
+ mr_adv_ability = 0x20;
+ control = SGMII_REG_CONTROL_AUTONEG;
+
+ break;
+ default:
+ mr_adv_ability = SGMII_REG_MR_ADV_ENABLE;
+ control = SGMII_REG_CONTROL_AUTONEG;
+ }
+
+ __raw_writel(0, SGMII_CTL_REG(port));
+
+ /*
+ * Wait for the SerDes pll to lock,
+ * but don't trap if lock is never read
+ */
+ for (i = 0; i < 1000; i++) {
+ udelay(2000);
+ status = __raw_readl(SGMII_STATUS_REG(port));
+ if ((status & SGMII_REG_STATUS_LOCK) != 0)
+ break;
+ }
+
+ __raw_writel(mr_adv_ability, SGMII_MRADV_REG(port));
+ __raw_writel(control, SGMII_CTL_REG(port));
+
+
+ mask = SGMII_REG_STATUS_LINK;
+
+ if (control & SGMII_REG_CONTROL_AUTONEG)
+ mask |= SGMII_REG_STATUS_AUTONEG;
+
+ for (i = 0; i < 1000; i++) {
+ status = __raw_readl(SGMII_STATUS_REG(port));
+ if ((status & mask) == mask)
+ break;
+ }
+
+ return 0;
+}
+
+int mac_sl_reset(u32 port)
+{
+ u32 i, v;
+
+ if (port >= DEVICE_N_GMACSL_PORTS)
+ return GMACSL_RET_INVALID_PORT;
+
+ /* Set the soft reset bit */
+ DEVICE_REG32_W(DEVICE_EMACSL_BASE(port) +
+ CPGMACSL_REG_RESET, CPGMAC_REG_RESET_VAL_RESET);
+
+ /* Wait for the bit to clear */
+ for (i = 0; i < DEVICE_EMACSL_RESET_POLL_COUNT; i++) {
+ v = DEVICE_REG32_R(DEVICE_EMACSL_BASE(port) +
+ CPGMACSL_REG_RESET);
+ if ((v & CPGMAC_REG_RESET_VAL_RESET_MASK) !=
+ CPGMAC_REG_RESET_VAL_RESET)
+ return GMACSL_RET_OK;
+ }
+
+ /* Timeout on the reset */
+ return GMACSL_RET_WARN_RESET_INCOMPLETE;
+}
+
+int mac_sl_config(u_int16_t port, struct mac_sl_cfg *cfg)
+{
+ u32 v, i;
+ int ret = GMACSL_RET_OK;
+
+ if (port >= DEVICE_N_GMACSL_PORTS)
+ return GMACSL_RET_INVALID_PORT;
+
+ if (cfg->max_rx_len > CPGMAC_REG_MAXLEN_LEN) {
+ cfg->max_rx_len = CPGMAC_REG_MAXLEN_LEN;
+ ret = GMACSL_RET_WARN_MAXLEN_TOO_BIG;
+ }
+
+ /* Must wait if the device is undergoing reset */
+ for (i = 0; i < DEVICE_EMACSL_RESET_POLL_COUNT; i++) {
+ v = DEVICE_REG32_R(DEVICE_EMACSL_BASE(port) +
+ CPGMACSL_REG_RESET);
+ if ((v & CPGMAC_REG_RESET_VAL_RESET_MASK) !=
+ CPGMAC_REG_RESET_VAL_RESET)
+ break;
+ }
+
+ if (i == DEVICE_EMACSL_RESET_POLL_COUNT)
+ return GMACSL_RET_CONFIG_FAIL_RESET_ACTIVE;
+
+ DEVICE_REG32_W(DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_MAXLEN,
+ cfg->max_rx_len);
+
+ DEVICE_REG32_W(DEVICE_EMACSL_BASE(port) + CPGMACSL_REG_CTL,
+ cfg->ctl);
+
+ return ret;
+}
+
+int ethss_config(u32 ctl, u32 max_pkt_size)
+{
+ u32 i;
+
+ /* Max length register */
+ DEVICE_REG32_W(DEVICE_CPSW_BASE + CPSW_REG_MAXLEN, max_pkt_size);
+
+ /* Control register */
+ DEVICE_REG32_W(DEVICE_CPSW_BASE + CPSW_REG_CTL, ctl);
+
+ /* All statistics enabled by default */
+ DEVICE_REG32_W(DEVICE_CPSW_BASE + CPSW_REG_STAT_PORT_EN,
+ CPSW_REG_VAL_STAT_ENABLE_ALL);
+
+ /* Reset and enable the ALE */
+ DEVICE_REG32_W(DEVICE_CPSW_BASE + CPSW_REG_ALE_CONTROL,
+ CPSW_REG_VAL_ALE_CTL_RESET_AND_ENABLE |
+ CPSW_REG_VAL_ALE_CTL_BYPASS);
+
+ /* All ports put into forward mode */
+ for (i = 0; i < DEVICE_CPSW_NUM_PORTS; i++)
+ DEVICE_REG32_W(DEVICE_CPSW_BASE + CPSW_REG_ALE_PORTCTL(i),
+ CPSW_REG_VAL_PORTCTL_FORWARD_MODE);
+
+ return 0;
+}
+
+int ethss_start(void)
+{
+ int i;
+ struct mac_sl_cfg cfg;
+
+ cfg.max_rx_len = MAX_SIZE_STREAM_BUFFER;
+ cfg.ctl = GMACSL_ENABLE | GMACSL_RX_ENABLE_EXT_CTL;
+
+ for (i = 0; i < DEVICE_N_GMACSL_PORTS; i++) {
+ mac_sl_reset(i);
+ mac_sl_config(i, &cfg);
+ }
+
+ return 0;
+}
+
+int ethss_stop(void)
+{
+ int i;
+
+ for (i = 0; i < DEVICE_N_GMACSL_PORTS; i++)
+ mac_sl_reset(i);
+
+ return 0;
+}
+
+int32_t cpmac_drv_send(u32 *buffer, int num_bytes, int slave_port_num)
+{
+ if (num_bytes < EMAC_MIN_ETHERNET_PKT_SIZE)
+ num_bytes = EMAC_MIN_ETHERNET_PKT_SIZE;
+
+ return netcp_send(buffer, num_bytes, (slave_port_num) << 16);
+}
+
+/* Eth device open */
+static int keystone2_eth_open(struct eth_device *dev, bd_t *bis)
+{
+ u_int32_t clkdiv;
+ int link;
+ struct eth_priv_t *eth_priv = (struct eth_priv_t *)dev->priv;
+
+ debug("+ emac_open\n");
+
+ net_rx_buffs.rx_flow = eth_priv->rx_flow;
+
+ sys_has_mdio =
+ (eth_priv->sgmii_link_type == SGMII_LINK_MAC_PHY) ? 1 : 0;
+
+ psc_enable_module(KS2_LPSC_PA);
+ psc_enable_module(KS2_LPSC_CPGMAC);
+
+ sgmii_serdes_setup_156p25mhz();
+
+ if (sys_has_mdio)
+ keystone2_eth_mdio_enable();
+
+ keystone_sgmii_config(eth_priv->slave_port - 1,
+ eth_priv->sgmii_link_type);
+
+ udelay(10000);
+
+ /* On chip switch configuration */
+ ethss_config(target_get_switch_ctl(), SWITCH_MAX_PKT_SIZE);
+
+ /* TODO: add error handling code */
+ if (qm_init()) {
+ printf("ERROR: qm_init()\n");
+ return -1;
+ }
+ if (netcp_init(&net_rx_buffs)) {
+ qm_close();
+ printf("ERROR: netcp_init()\n");
+ return -1;
+ }
+
+ /*
+ * Streaming switch configuration. If not present this
+ * statement is defined to void in target.h.
+ * If present this is usually defined to a series of register writes
+ */
+ hw_config_streaming_switch();
+
+ if (sys_has_mdio) {
+ /* Init MDIO & get link state */
+ clkdiv = (EMAC_MDIO_BUS_FREQ / EMAC_MDIO_CLOCK_FREQ) - 1;
+ writel((clkdiv & 0xff) | MDIO_CONTROL_ENABLE |
+ MDIO_CONTROL_FAULT, &adap_mdio->control)
+ ;
+
+ /* We need to wait for MDIO to start */
+ udelay(1000);
+
+ link = keystone_get_link_status(dev);
+ if (link == 0) {
+ netcp_close();
+ qm_close();
+ return -1;
+ }
+ }
+
+ emac_gigabit_enable(dev);
+
+ ethss_start();
+
+ debug("- emac_open\n");
+
+ emac_open = 1;
+
+ return 0;
+}
+
+/* Eth device close */
+void keystone2_eth_close(struct eth_device *dev)
+{
+ debug("+ emac_close\n");
+
+ if (!emac_open)
+ return;
+
+ ethss_stop();
+
+ netcp_close();
+ qm_close();
+
+ emac_open = 0;
+
+ debug("- emac_close\n");
+}
+
+static int tx_send_loop;
+
+/*
+ * This function sends a single packet on the network and returns
+ * positive number (number of bytes transmitted) or negative for error
+ */
+static int keystone2_eth_send_packet(struct eth_device *dev,
+ void *packet, int length)
+{
+ int ret_status = -1;
+ struct eth_priv_t *eth_priv = (struct eth_priv_t *)dev->priv;
+
+ tx_send_loop = 0;
+
+ if (keystone_get_link_status(dev) == 0)
+ return -1;
+
+ emac_gigabit_enable(dev);
+
+ if (cpmac_drv_send((u32 *)packet, length, eth_priv->slave_port) != 0)
+ return ret_status;
+
+ if (keystone_get_link_status(dev) == 0)
+ return -1;
+
+ emac_gigabit_enable(dev);
+
+ return length;
+}
+
+/*
+ * This function handles receipt of a packet from the network
+ */
+static int keystone2_eth_rcv_packet(struct eth_device *dev)
+{
+ void *hd;
+ int pkt_size;
+ u32 *pkt;
+
+ hd = netcp_recv(&pkt, &pkt_size);
+ if (hd == NULL)
+ return 0;
+
+ NetReceive((uchar *)pkt, pkt_size);
+
+ netcp_release_rxhd(hd);
+
+ return pkt_size;
+}
+
+/*
+ * This function initializes the EMAC hardware.
+ */
+int keystone2_emac_initialize(struct eth_priv_t *eth_priv)
+{
+ struct eth_device *dev;
+
+ dev = malloc(sizeof(struct eth_device));
+ if (dev == NULL)
+ return -1;
+
+ memset(dev, 0, sizeof(struct eth_device));
+
+ strcpy(dev->name, eth_priv->int_name);
+ dev->priv = eth_priv;
+
+ keystone2_eth_read_mac_addr(dev);
+
+ dev->iobase = 0;
+ dev->init = keystone2_eth_open;
+ dev->halt = keystone2_eth_close;
+ dev->send = keystone2_eth_send_packet;
+ dev->recv = keystone2_eth_rcv_packet;
+
+ eth_register(dev);
+
+ return 0;
+}
+
+void sgmii_serdes_setup_156p25mhz(void)
+{
+ unsigned int cnt;
+
+ /*
+ * configure Serializer/Deserializer (SerDes) hardware. SerDes IP
+ * hardware vendor published only register addresses and their values
+ * to be used for configuring SerDes. So had to use hardcoded values
+ * below.
+ */
+ clrsetbits_le32(0x0232a000, 0xffff0000, 0x00800000);
+ clrsetbits_le32(0x0232a014, 0x0000ffff, 0x00008282);
+ clrsetbits_le32(0x0232a060, 0x00ffffff, 0x00142438);
+ clrsetbits_le32(0x0232a064, 0x00ffff00, 0x00c3c700);
+ clrsetbits_le32(0x0232a078, 0x0000ff00, 0x0000c000);
+
+ clrsetbits_le32(0x0232a204, 0xff0000ff, 0x38000080);
+ clrsetbits_le32(0x0232a208, 0x000000ff, 0x00000000);
+ clrsetbits_le32(0x0232a20c, 0xff000000, 0x02000000);
+ clrsetbits_le32(0x0232a210, 0xff000000, 0x1b000000);
+ clrsetbits_le32(0x0232a214, 0x0000ffff, 0x00006fb8);
+ clrsetbits_le32(0x0232a218, 0xffff00ff, 0x758000e4);
+ clrsetbits_le32(0x0232a2ac, 0x0000ff00, 0x00004400);
+ clrsetbits_le32(0x0232a22c, 0x00ffff00, 0x00200800);
+ clrsetbits_le32(0x0232a280, 0x00ff00ff, 0x00820082);
+ clrsetbits_le32(0x0232a284, 0xffffffff, 0x1d0f0385);
+
+ clrsetbits_le32(0x0232a404, 0xff0000ff, 0x38000080);
+ clrsetbits_le32(0x0232a408, 0x000000ff, 0x00000000);
+ clrsetbits_le32(0x0232a40c, 0xff000000, 0x02000000);
+ clrsetbits_le32(0x0232a410, 0xff000000, 0x1b000000);
+ clrsetbits_le32(0x0232a414, 0x0000ffff, 0x00006fb8);
+ clrsetbits_le32(0x0232a418, 0xffff00ff, 0x758000e4);
+ clrsetbits_le32(0x0232a4ac, 0x0000ff00, 0x00004400);
+ clrsetbits_le32(0x0232a42c, 0x00ffff00, 0x00200800);
+ clrsetbits_le32(0x0232a480, 0x00ff00ff, 0x00820082);
+ clrsetbits_le32(0x0232a484, 0xffffffff, 0x1d0f0385);
+
+ clrsetbits_le32(0x0232a604, 0xff0000ff, 0x38000080);
+ clrsetbits_le32(0x0232a608, 0x000000ff, 0x00000000);
+ clrsetbits_le32(0x0232a60c, 0xff000000, 0x02000000);
+ clrsetbits_le32(0x0232a610, 0xff000000, 0x1b000000);
+ clrsetbits_le32(0x0232a614, 0x0000ffff, 0x00006fb8);
+ clrsetbits_le32(0x0232a618, 0xffff00ff, 0x758000e4);
+ clrsetbits_le32(0x0232a6ac, 0x0000ff00, 0x00004400);
+ clrsetbits_le32(0x0232a62c, 0x00ffff00, 0x00200800);
+ clrsetbits_le32(0x0232a680, 0x00ff00ff, 0x00820082);
+ clrsetbits_le32(0x0232a684, 0xffffffff, 0x1d0f0385);
+
+ clrsetbits_le32(0x0232a804, 0xff0000ff, 0x38000080);
+ clrsetbits_le32(0x0232a808, 0x000000ff, 0x00000000);
+ clrsetbits_le32(0x0232a80c, 0xff000000, 0x02000000);
+ clrsetbits_le32(0x0232a810, 0xff000000, 0x1b000000);
+ clrsetbits_le32(0x0232a814, 0x0000ffff, 0x00006fb8);
+ clrsetbits_le32(0x0232a818, 0xffff00ff, 0x758000e4);
+ clrsetbits_le32(0x0232a8ac, 0x0000ff00, 0x00004400);
+ clrsetbits_le32(0x0232a82c, 0x00ffff00, 0x00200800);
+ clrsetbits_le32(0x0232a880, 0x00ff00ff, 0x00820082);
+ clrsetbits_le32(0x0232a884, 0xffffffff, 0x1d0f0385);
+
+ clrsetbits_le32(0x0232aa00, 0x0000ff00, 0x00000800);
+ clrsetbits_le32(0x0232aa08, 0xffff0000, 0x38a20000);
+ clrsetbits_le32(0x0232aa30, 0x00ffff00, 0x008a8a00);
+ clrsetbits_le32(0x0232aa84, 0x0000ff00, 0x00000600);
+ clrsetbits_le32(0x0232aa94, 0xff000000, 0x10000000);
+ clrsetbits_le32(0x0232aaa0, 0xff000000, 0x81000000);
+ clrsetbits_le32(0x0232aabc, 0xff000000, 0xff000000);
+ clrsetbits_le32(0x0232aac0, 0x000000ff, 0x0000008b);
+ clrsetbits_le32(0x0232ab08, 0xffff0000, 0x583f0000);
+ clrsetbits_le32(0x0232ab0c, 0x000000ff, 0x0000004e);
+ clrsetbits_le32(0x0232a000, 0x000000ff, 0x00000003);
+ clrsetbits_le32(0x0232aa00, 0x000000ff, 0x0000005f);
+
+ clrsetbits_le32(0x0232aa48, 0x00ffff00, 0x00fd8c00);
+ clrsetbits_le32(0x0232aa54, 0x00ffffff, 0x002fec72);
+ clrsetbits_le32(0x0232aa58, 0xffffff00, 0x00f92100);
+ clrsetbits_le32(0x0232aa5c, 0xffffffff, 0x00040060);
+ clrsetbits_le32(0x0232aa60, 0xffffffff, 0x00008000);
+ clrsetbits_le32(0x0232aa64, 0xffffffff, 0x0c581220);
+ clrsetbits_le32(0x0232aa68, 0xffffffff, 0xe13b0602);
+ clrsetbits_le32(0x0232aa6c, 0xffffffff, 0xb8074cc1);
+ clrsetbits_le32(0x0232aa70, 0xffffffff, 0x3f02e989);
+ clrsetbits_le32(0x0232aa74, 0x000000ff, 0x00000001);
+ clrsetbits_le32(0x0232ab20, 0x00ff0000, 0x00370000);
+ clrsetbits_le32(0x0232ab1c, 0xff000000, 0x37000000);
+ clrsetbits_le32(0x0232ab20, 0x000000ff, 0x0000005d);
+
+ /*Bring SerDes out of Reset if SerDes is Shutdown & is in Reset Mode*/
+ clrbits_le32(0x0232a010, 1 << 28);
+
+ /* Enable TX and RX via the LANExCTL_STS 0x0000 + x*4 */
+ clrbits_le32(0x0232a228, 1 << 29);
+ writel(0xF800F8C0, 0x0232bfe0);
+ clrbits_le32(0x0232a428, 1 << 29);
+ writel(0xF800F8C0, 0x0232bfe4);
+ clrbits_le32(0x0232a628, 1 << 29);
+ writel(0xF800F8C0, 0x0232bfe8);
+ clrbits_le32(0x0232a828, 1 << 29);
+ writel(0xF800F8C0, 0x0232bfec);
+
+ /*Enable pll via the pll_ctrl 0x0014*/
+ writel(0xe0000000, 0x0232bff4)
+ ;
+
+ /*Waiting for SGMII Serdes PLL lock.*/
+ for (cnt = 10000; cnt > 0 && ((readl(0x02090114) & 0x10) == 0); cnt--)
+ ;
+
+ for (cnt = 10000; cnt > 0 && ((readl(0x02090214) & 0x10) == 0); cnt--)
+ ;
+
+ for (cnt = 10000; cnt > 0 && ((readl(0x02090414) & 0x10) == 0); cnt--)
+ ;
+
+ for (cnt = 10000; cnt > 0 && ((readl(0x02090514) & 0x10) == 0); cnt--)
+ ;
+
+ udelay(45000);
+}
+
+void sgmii_serdes_shutdown(void)
+{
+ /*
+ * shutdown SerDes hardware. SerDes hardware vendor published only
+ * register addresses and their values. So had to use hardcoded
+ * values below.
+ */
+ clrbits_le32(0x0232bfe0, 3 << 29 | 3 << 13);
+ setbits_le32(0x02320228, 1 << 29);
+ clrbits_le32(0x0232bfe4, 3 << 29 | 3 << 13);
+ setbits_le32(0x02320428, 1 << 29);
+ clrbits_le32(0x0232bfe8, 3 << 29 | 3 << 13);
+ setbits_le32(0x02320628, 1 << 29);
+ clrbits_le32(0x0232bfec, 3 << 29 | 3 << 13);
+ setbits_le32(0x02320828, 1 << 29);
+
+ clrbits_le32(0x02320034, 3 << 29);
+ setbits_le32(0x02320010, 1 << 28);
+}
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index fbc37b2..8a13454 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -30,6 +30,11 @@
#define serial_in(y) readb(y)
#endif
+#if defined(CONFIG_K2HK_EVM)
+#define UART_REG_VAL_PWREMU_MGMT_UART_DISABLE 0
+#define UART_REG_VAL_PWREMU_MGMT_UART_ENABLE ((1 << 14) | (1 << 13) | (1 << 0))
+#endif
+
#ifndef CONFIG_SYS_NS16550_IER
#define CONFIG_SYS_NS16550_IER 0x00
#endif /* CONFIG_SYS_NS16550_IER */
@@ -77,6 +82,9 @@ void NS16550_init(NS16550_t com_port, int baud_divisor)
/* /16 is proper to hit 115200 with 48MHz */
serial_out(0, &com_port->mdr1);
#endif /* CONFIG_OMAP */
+#if defined(CONFIG_K2HK_EVM)
+ serial_out(UART_REG_VAL_PWREMU_MGMT_UART_ENABLE, &com_port->regC);
+#endif
}
#ifndef CONFIG_NS16550_MIN_FUNCTIONS
diff --git a/drivers/spi/davinci_spi.c b/drivers/spi/davinci_spi.c
index e3fb321..28fb3a2 100644
--- a/drivers/spi/davinci_spi.c
+++ b/drivers/spi/davinci_spi.c
@@ -32,7 +32,27 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
if (!ds)
return NULL;
- ds->regs = (struct davinci_spi_regs *)CONFIG_SYS_SPI_BASE;
+ ds->slave.bus = bus;
+ ds->slave.cs = cs;
+
+ switch (bus) {
+ case SPI0_BUS:
+ ds->regs = (struct davinci_spi_regs *)SPI0_BASE;
+ break;
+#ifdef CONFIG_SYS_SPI1
+ case SPI1_BUS:
+ ds->regs = (struct davinci_spi_regs *)SPI0_BASE;
+ break;
+#endif
+#ifdef CONFIG_SYS_SPI2
+ case SPI2_BUS:
+ ds->regs = (struct davinci_spi_regs *)SPI2_BASE;
+ break;
+#endif
+ default: /* Invalid bus number */
+ return NULL;
+ }
+
ds->freq = max_hz;
return &ds->slave;
@@ -59,7 +79,7 @@ int spi_claim_bus(struct spi_slave *slave)
writel(SPIGCR1_MASTER_MASK | SPIGCR1_CLKMOD_MASK, &ds->regs->gcr1);
/* CS, CLK, SIMO and SOMI are functional pins */
- writel((SPIPC0_EN0FUN_MASK | SPIPC0_CLKFUN_MASK |
+ writel(((1 << slave->cs) | SPIPC0_CLKFUN_MASK |
SPIPC0_DOFUN_MASK | SPIPC0_DIFUN_MASK), &ds->regs->pc0);
/* setup format */
@@ -264,7 +284,30 @@ out:
int spi_cs_is_valid(unsigned int bus, unsigned int cs)
{
- return bus == 0 && cs == 0;
+ int ret = 0;
+
+ switch (bus) {
+ case SPI0_BUS:
+ if (cs < SPI0_NUM_CS)
+ ret = 1;
+ break;
+#ifdef CONFIG_SYS_SPI1
+ case SPI1_BUS:
+ if (cs < SPI1_NUM_CS)
+ ret = 1;
+ break;
+#endif
+#ifdef CONFIG_SYS_SPI2
+ case SPI2_BUS:
+ if (cs < SPI2_NUM_CS)
+ ret = 1;
+ break;
+#endif
+ default:
+ /* Invalid bus number. Do nothing */
+ break;
+ }
+ return ret;
}
void spi_cs_activate(struct spi_slave *slave)
diff --git a/drivers/spi/davinci_spi.h b/drivers/spi/davinci_spi.h
index 33f69b5..d4612d3 100644
--- a/drivers/spi/davinci_spi.h
+++ b/drivers/spi/davinci_spi.h
@@ -74,6 +74,39 @@ struct davinci_spi_regs {
/* SPIDEF */
#define SPIDEF_CSDEF0_MASK BIT(0)
+#define SPI0_BUS 0
+#define SPI0_BASE CONFIG_SYS_SPI_BASE
+/*
+ * Define default SPI0_NUM_CS as 1 for existing platforms that uses this
+ * driver. Platform can configure number of CS using CONFIG_SYS_SPI0_NUM_CS
+ * if more than one CS is supported and by defining CONFIG_SYS_SPI0.
+ */
+#ifndef CONFIG_SYS_SPI0
+#define SPI0_NUM_CS 1
+#else
+#define SPI0_NUM_CS CONFIG_SYS_SPI0_NUM_CS
+#endif
+
+/*
+ * define CONFIG_SYS_SPI1 when platform has spi-1 device (bus #1) and
+ * CONFIG_SYS_SPI1_NUM_CS defines number of CS on this bus
+ */
+#ifdef CONFIG_SYS_SPI1
+#define SPI1_BUS 1
+#define SPI1_NUM_CS CONFIG_SYS_SPI1_NUM_CS
+#define SPI1_BASE CONFIG_SYS_SPI1_BASE
+#endif
+
+/*
+ * define CONFIG_SYS_SPI2 when platform has spi-2 device (bus #2) and
+ * CONFIG_SYS_SPI2_NUM_CS defines number of CS on this bus
+ */
+#ifdef CONFIG_SYS_SPI2
+#define SPI2_BUS 2
+#define SPI2_NUM_CS CONFIG_SYS_SPI2_NUM_CS
+#define SPI2_BASE CONFIG_SYS_SPI2_BASE
+#endif
+
struct davinci_spi_slave {
struct spi_slave slave;
struct davinci_spi_regs *regs;
diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c
index dfa5d0c..c5d2245 100644
--- a/drivers/spi/ti_qspi.c
+++ b/drivers/spi/ti_qspi.c
@@ -314,6 +314,9 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
qslave->cmd |= QSPI_RD_SNGL;
debug("rx cmd %08x dc %08x\n",
qslave->cmd, qslave->dc);
+ #ifdef CONFIG_DRA7XX
+ udelay(500);
+ #endif
writel(qslave->cmd, &qslave->base->cmd);
status = readl(&qslave->base->status);
timeout = QSPI_TIMEOUT;
generated by cgit v1.1 at 2024-11-10 15:47:38 +0000