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authorTsiChung Liew <tsicliew@gmail.com>2009-06-30 14:18:29 +0000
committerTsiChung Liew <Tsi-Chung.Liew@freescale.com>2009-07-14 09:46:34 -0500
commitee0a8462466dd284968536eb57c6eef4be0d6aad (patch)
treec04da824a3026d53f054dd544cc22115c37a1644
parentdec61c7851baa72151ef1d3657e7bb3b68907d48 (diff)
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ColdFire: Add DSPI support for MCF5227x and MCF5445x
Remove individual CPU specific DSPI driver. Add required feature for the common DSPI driver in cpu_init and in platform configuration file. Signed-off-by: TsiChung Liew <tsicliew@gmail.com>
-rw-r--r--cpu/mcf5227x/Makefile2
-rw-r--r--cpu/mcf5227x/cpu_init.c53
-rw-r--r--cpu/mcf5227x/dspi.c261
-rw-r--r--cpu/mcf5445x/Makefile2
-rw-r--r--cpu/mcf5445x/cpu_init.c66
-rw-r--r--cpu/mcf5445x/dspi.c237
-rw-r--r--include/asm-m68k/coldfire/dspi.h229
-rw-r--r--include/configs/M52277EVB.h24
-rw-r--r--include/configs/M54451EVB.h36
-rw-r--r--include/configs/M54455EVB.h26
10 files changed, 263 insertions, 673 deletions
diff --git a/cpu/mcf5227x/Makefile b/cpu/mcf5227x/Makefile
index 44f9385..d0e9b45 100644
--- a/cpu/mcf5227x/Makefile
+++ b/cpu/mcf5227x/Makefile
@@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk
LIB = lib$(CPU).a
START = start.o
-COBJS = cpu.o speed.o cpu_init.o interrupts.o dspi.o
+COBJS = cpu.o speed.o cpu_init.o interrupts.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/mcf5227x/cpu_init.c b/cpu/mcf5227x/cpu_init.c
index 8945ef3..d8bcf37 100644
--- a/cpu/mcf5227x/cpu_init.c
+++ b/cpu/mcf5227x/cpu_init.c
@@ -152,3 +152,56 @@ void uart_port_conf(void)
break;
}
}
+
+#ifdef CONFIG_CF_DSPI
+void cfspi_port_conf(void)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+ gpio->par_dspi =
+ GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
+ GPIO_PAR_DSPI_SCK_SCK;
+}
+
+int cfspi_claim_bus(uint bus, uint cs)
+{
+ volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+ if ((dspi->sr & DSPI_SR_TXRXS) != DSPI_SR_TXRXS)
+ return -1;
+
+ /* Clear FIFO and resume transfer */
+ dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF);
+
+ switch (cs) {
+ case 0:
+ gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_MASK;
+ gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0;
+ break;
+ case 2:
+ gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK;
+ gpio->par_timer |= GPIO_PAR_TIMER_T2IN_DSPIPCS2;
+ break;
+ }
+
+ return 0;
+}
+
+void cfspi_release_bus(uint bus, uint cs)
+{
+ volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+ dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); /* Clear FIFO */
+
+ switch (cs) {
+ case 0:
+ gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
+ break;
+ case 2:
+ gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK;
+ break;
+ }
+}
+#endif
diff --git a/cpu/mcf5227x/dspi.c b/cpu/mcf5227x/dspi.c
deleted file mode 100644
index 7f48f91..0000000
--- a/cpu/mcf5227x/dspi.c
+++ /dev/null
@@ -1,261 +0,0 @@
-/*
- *
- * (C) Copyright 2000-2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
- * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
- *
- * 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
- */
-
-#include <common.h>
-#include <spi.h>
-#include <malloc.h>
-
-#if defined(CONFIG_CF_DSPI)
-#include <asm/immap.h>
-
-void dspi_init(void)
-{
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
- volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
-
- gpio->par_dspi =
- GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
- GPIO_PAR_DSPI_SCK_SCK;
-
- dspi->dmcr = DSPI_DMCR_MSTR | DSPI_DMCR_CSIS7 | DSPI_DMCR_CSIS6 |
- DSPI_DMCR_CSIS5 | DSPI_DMCR_CSIS4 | DSPI_DMCR_CSIS3 |
- DSPI_DMCR_CSIS2 | DSPI_DMCR_CSIS1 | DSPI_DMCR_CSIS0 |
- DSPI_DMCR_CRXF | DSPI_DMCR_CTXF;
-
-#ifdef CONFIG_SYS_DSPI_DCTAR0
- dspi->dctar0 = CONFIG_SYS_DSPI_DCTAR0;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR1
- dspi->dctar1 = CONFIG_SYS_DSPI_DCTAR1;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR2
- dspi->dctar2 = CONFIG_SYS_DSPI_DCTAR2;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR3
- dspi->dctar3 = CONFIG_SYS_DSPI_DCTAR3;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR4
- dspi->dctar4 = CONFIG_SYS_DSPI_DCTAR4;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR5
- dspi->dctar5 = CONFIG_SYS_DSPI_DCTAR5;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR6
- dspi->dctar6 = CONFIG_SYS_DSPI_DCTAR6;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR7
- dspi->dctar7 = CONFIG_SYS_DSPI_DCTAR7;
-#endif
-}
-
-void dspi_tx(int chipsel, u8 attrib, u16 data)
-{
- volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
-
- while ((dspi->dsr & 0x0000F000) >= 4) ;
-
- dspi->dtfr = (attrib << 24) | ((1 << chipsel) << 16) | data;
-}
-
-u16 dspi_rx(void)
-{
- volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
-
- while ((dspi->dsr & 0x000000F0) == 0) ;
-
- return (dspi->drfr & 0xFFFF);
-}
-
-#if defined(CONFIG_CMD_SPI)
-void spi_init_f(void)
-{
-}
-
-void spi_init_r(void)
-{
-}
-
-void spi_init(void)
-{
- dspi_init();
-}
-
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
- unsigned int max_hz, unsigned int mode)
-{
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
- struct spi_slave *slave;
-
- slave = malloc(sizeof(struct spi_slave));
- if (!slave)
- return NULL;
-
- switch (cs) {
- case 0:
- gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
- gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0;
- break;
- case 2:
- gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK;
- gpio->par_timer |= GPIO_PAR_TIMER_T2IN_DSPIPCS2;
- break;
- }
-
- slave->bus = bus;
- slave->cs = cs;
-
- return slave;
-}
-
-void spi_free_slave(struct spi_slave *slave)
-{
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
-
- switch (slave->cs) {
- case 0:
- gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
- break;
- case 2:
- gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK;
- break;
- }
-
- free(slave);
-}
-
-int spi_claim_bus(struct spi_slave *slave)
-{
- return 0;
-}
-
-void spi_release_bus(struct spi_slave *slave)
-{
-}
-
-int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
- void *din, unsigned long flags)
-{
- static int bWrite = 0;
- u8 *spi_rd, *spi_wr;
- int len = bitlen >> 3;
-
- spi_rd = (u8 *) din;
- spi_wr = (u8 *) dout;
-
- /* command handling */
- if (((len == 4) || (len == 1) || (len == 5)) && (dout != NULL)) {
- switch (*spi_wr) {
- case 0x02: /* Page Prog */
- bWrite = 1;
- dspi_tx(slave->cs, 0x80, spi_wr[0]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[1]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[2]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[3]);
- dspi_rx();
- return 0;
- case 0x05: /* Read Status */
- if (len == 4)
- if ((spi_wr[1] == 0xFF) && (spi_wr[2] == 0xFF)
- && (spi_wr[3] == 0xFF)) {
- dspi_tx(slave->cs, 0x80, *spi_wr);
- dspi_rx();
- }
- return 0;
- case 0x06: /* WREN */
- dspi_tx(slave->cs, 0x00, *spi_wr);
- dspi_rx();
- return 0;
- case 0x0B: /* Fast read */
- if ((len == 5) && (spi_wr[4] == 0)) {
- dspi_tx(slave->cs, 0x80, spi_wr[0]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[1]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[2]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[3]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[4]);
- dspi_rx();
- }
- return 0;
- case 0x9F: /* RDID */
- dspi_tx(slave->cs, 0x80, *spi_wr);
- dspi_rx();
- return 0;
- case 0xD8: /* Sector erase */
- if (len == 4)
- if ((spi_wr[2] == 0) && (spi_wr[3] == 0)) {
- dspi_tx(slave->cs, 0x80, spi_wr[0]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[1]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[2]);
- dspi_rx();
- dspi_tx(slave->cs, 0x00, spi_wr[3]);
- dspi_rx();
- }
- return 0;
- }
- }
-
- if (bWrite)
- len--;
-
- while (len--) {
- if (dout != NULL) {
- dspi_tx(slave->cs, 0x80, *spi_wr);
- dspi_rx();
- spi_wr++;
- }
-
- if (din != NULL) {
- dspi_tx(slave->cs, 0x80, 0);
- *spi_rd = dspi_rx();
- spi_rd++;
- }
- }
-
- if (flags == SPI_XFER_END) {
- if (bWrite) {
- dspi_tx(slave->cs, 0x00, *spi_wr);
- dspi_rx();
- bWrite = 0;
- } else {
- dspi_tx(slave->cs, 0x00, 0);
- dspi_rx();
- }
- }
-
- return 0;
-}
-#endif /* CONFIG_CMD_SPI */
-
-#endif /* CONFIG_CF_DSPI */
diff --git a/cpu/mcf5445x/Makefile b/cpu/mcf5445x/Makefile
index a549fdd..26ec298 100644
--- a/cpu/mcf5445x/Makefile
+++ b/cpu/mcf5445x/Makefile
@@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk
LIB = lib$(CPU).a
START = start.o
-COBJS = cpu.o speed.o cpu_init.o interrupts.o pci.o dspi.o
+COBJS = cpu.o speed.o cpu_init.o interrupts.o pci.o
SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
diff --git a/cpu/mcf5445x/cpu_init.c b/cpu/mcf5445x/cpu_init.c
index 7e04e32..48b37df 100644
--- a/cpu/mcf5445x/cpu_init.c
+++ b/cpu/mcf5445x/cpu_init.c
@@ -171,3 +171,69 @@ int fecpin_setclear(struct eth_device *dev, int setclear)
return 0;
}
#endif
+
+#ifdef CONFIG_CF_DSPI
+void cfspi_port_conf(void)
+{
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+ gpio->par_dspi = GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
+ GPIO_PAR_DSPI_SCK_SCK;
+}
+
+int cfspi_claim_bus(uint bus, uint cs)
+{
+ volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+ if ((dspi->sr & DSPI_SR_TXRXS) != DSPI_SR_TXRXS)
+ return -1;
+
+ /* Clear FIFO and resume transfer */
+ dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF);
+
+ switch (cs) {
+ case 0:
+ gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
+ gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0;
+ break;
+ case 1:
+ gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS1_PCS1;
+ gpio->par_dspi |= GPIO_PAR_DSPI_PCS1_PCS1;
+ break;
+ case 2:
+ gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS2_PCS2;
+ gpio->par_dspi |= GPIO_PAR_DSPI_PCS2_PCS2;
+ break;
+ case 5:
+ gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS5_PCS5;
+ gpio->par_dspi |= GPIO_PAR_DSPI_PCS5_PCS5;
+ break;
+ }
+
+ return 0;
+}
+
+void cfspi_release_bus(uint bus, uint cs)
+{
+ volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
+ volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+
+ dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); /* Clear FIFO */
+
+ switch (cs) {
+ case 0:
+ gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0;
+ break;
+ case 1:
+ gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS1_PCS1;
+ break;
+ case 2:
+ gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS2_PCS2;
+ break;
+ case 5:
+ gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS5_PCS5;
+ break;
+ }
+}
+#endif
diff --git a/cpu/mcf5445x/dspi.c b/cpu/mcf5445x/dspi.c
deleted file mode 100644
index 59133e8..0000000
--- a/cpu/mcf5445x/dspi.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- *
- * (C) Copyright 2000-2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * Copyright (C) 2004-2008 Freescale Semiconductor, Inc.
- * TsiChung Liew (Tsi-Chung.Liew@freescale.com)
- *
- * 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
- */
-
-#include <common.h>
-#include <spi.h>
-#include <malloc.h>
-
-#if defined(CONFIG_CF_DSPI)
-#include <asm/immap.h>
-
-void dspi_init(void)
-{
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
- volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
-
- gpio->par_dspi = GPIO_PAR_DSPI_PCS5_PCS5 | GPIO_PAR_DSPI_PCS2_PCS2 |
- GPIO_PAR_DSPI_PCS1_PCS1 | GPIO_PAR_DSPI_PCS0_PCS0 |
- GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT |
- GPIO_PAR_DSPI_SCK_SCK;
-
- dspi->dmcr = DSPI_DMCR_MSTR | DSPI_DMCR_CSIS7 | DSPI_DMCR_CSIS6 |
- DSPI_DMCR_CSIS5 | DSPI_DMCR_CSIS4 | DSPI_DMCR_CSIS3 |
- DSPI_DMCR_CSIS2 | DSPI_DMCR_CSIS1 | DSPI_DMCR_CSIS0 |
- DSPI_DMCR_CRXF | DSPI_DMCR_CTXF;
-
-#ifdef CONFIG_SYS_DSPI_DCTAR0
- dspi->dctar0 = CONFIG_SYS_DSPI_DCTAR0;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR1
- dspi->dctar1 = CONFIG_SYS_DSPI_DCTAR1;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR2
- dspi->dctar2 = CONFIG_SYS_DSPI_DCTAR2;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR3
- dspi->dctar3 = CONFIG_SYS_DSPI_DCTAR3;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR4
- dspi->dctar4 = CONFIG_SYS_DSPI_DCTAR4;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR5
- dspi->dctar5 = CONFIG_SYS_DSPI_DCTAR5;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR6
- dspi->dctar6 = CONFIG_SYS_DSPI_DCTAR6;
-#endif
-#ifdef CONFIG_SYS_DSPI_DCTAR7
- dspi->dctar7 = CONFIG_SYS_DSPI_DCTAR7;
-#endif
-}
-
-void dspi_tx(int chipsel, u8 attrib, u16 data)
-{
- volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
-
- while ((dspi->dsr & 0x0000F000) >= 4) ;
-
- dspi->dtfr = (attrib << 24) | ((1 << chipsel) << 16) | data;
-}
-
-u16 dspi_rx(void)
-{
- volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI;
-
- while ((dspi->dsr & 0x000000F0) == 0) ;
-
- return (dspi->drfr & 0xFFFF);
-}
-
-#if defined(CONFIG_CMD_SPI)
-void spi_init_f(void)
-{
-}
-
-void spi_init_r(void)
-{
-}
-
-void spi_init(void)
-{
- dspi_init();
-}
-
-struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
- unsigned int max_hz, unsigned int mode)
-{
- struct spi_slave *slave;
-
- slave = malloc(sizeof(struct spi_slave));
- if (!slave)
- return NULL;
-
- slave->bus = bus;
- slave->cs = cs;
-
- return slave;
-}
-
-void spi_free_slave(struct spi_slave *slave)
-{
- free(slave);
-}
-
-int spi_claim_bus(struct spi_slave *slave)
-{
- return 0;
-}
-
-void spi_release_bus(struct spi_slave *slave)
-{
-}
-
-int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
- void *din, unsigned long flags)
-{
- static int bWrite = 0;
- u8 *spi_rd, *spi_wr;
- int len = bitlen >> 3;
-
- spi_rd = (u8 *) din;
- spi_wr = (u8 *) dout;
-
- /* command handling */
- if (((len == 4) || (len == 1) || (len == 5)) && (dout != NULL)) {
- switch (*spi_wr) {
- case 0x02: /* Page Prog */
- bWrite = 1;
- dspi_tx(slave->cs, 0x80, spi_wr[0]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[1]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[2]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[3]);
- dspi_rx();
- return 0;
- case 0x05: /* Read Status */
- if (len == 1) {
- dspi_tx(slave->cs, 0x80, *spi_wr);
- dspi_rx();
- }
- return 0;
- case 0x06: /* WREN */
- dspi_tx(slave->cs, 0x00, *spi_wr);
- dspi_rx();
- return 0;
- case 0x0B: /* Fast read */
- if ((len == 5) && (spi_wr[4] == 0)) {
- dspi_tx(slave->cs, 0x80, spi_wr[0]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[1]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[2]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[3]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[4]);
- dspi_rx();
- }
- return 0;
- case 0x9F: /* RDID */
- dspi_tx(slave->cs, 0x80, *spi_wr);
- dspi_rx();
- return 0;
- case 0xD8: /* Sector erase */
- if (len == 4)
- if ((spi_wr[2] == 0) && (spi_wr[3] == 0)) {
- dspi_tx(slave->cs, 0x80, spi_wr[0]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[1]);
- dspi_rx();
- dspi_tx(slave->cs, 0x80, spi_wr[2]);
- dspi_rx();
- dspi_tx(slave->cs, 0x00, spi_wr[3]);
- dspi_rx();
- }
- return 0;
- }
- }
-
- if (bWrite)
- len--;
-
- while (len--) {
- if (dout != NULL) {
- dspi_tx(slave->cs, 0x80, *spi_wr);
- dspi_rx();
- spi_wr++;
- }
-
- if (din != NULL) {
- dspi_tx(slave->cs, 0x80, 0);
- *spi_rd = dspi_rx();
- spi_rd++;
- }
- }
-
- if (flags == SPI_XFER_END) {
- if (bWrite) {
- dspi_tx(slave->cs, 0x00, *spi_wr);
- dspi_rx();
- bWrite = 0;
- } else {
- dspi_tx(slave->cs, 0x00, 0);
- dspi_rx();
- }
- }
-
- return 0;
-}
-#endif /* CONFIG_CMD_SPI */
-
-#endif /* CONFIG_CF_DSPI */
diff --git a/include/asm-m68k/coldfire/dspi.h b/include/asm-m68k/coldfire/dspi.h
index 4b7d61e..02d1409 100644
--- a/include/asm-m68k/coldfire/dspi.h
+++ b/include/asm-m68k/coldfire/dspi.h
@@ -26,140 +26,133 @@
#ifndef __DSPI_H__
#define __DSPI_H__
-/*********************************************************************
-* DMA Serial Peripheral Interface (DSPI)
-*********************************************************************/
-
+/* DMA Serial Peripheral Interface (DSPI) */
typedef struct dspi {
- u32 dmcr;
- u8 resv0[0x4];
- u32 dtcr;
- u32 dctar0;
- u32 dctar1;
- u32 dctar2;
- u32 dctar3;
- u32 dctar4;
- u32 dctar5;
- u32 dctar6;
- u32 dctar7;
- u32 dsr;
- u32 dirsr;
- u32 dtfr;
- u32 drfr;
+ u32 mcr; /* 0x00 */
+ u32 resv0; /* 0x04 */
+ u32 tcr; /* 0x08 */
+ u32 ctar[8]; /* 0x0C - 0x28 */
+ u32 sr; /* 0x2C */
+ u32 irsr; /* 0x30 */
+ u32 tfr; /* 0x34 - PUSHR */
+ u16 resv1; /* 0x38 */
+ u16 rfr; /* 0x3A - POPR */
#ifdef CONFIG_MCF547x_8x
- u32 dtfdr[4];
- u8 resv1[0x30];
- u32 drfdr[4];
+ u32 tfdr[4]; /* 0x3C */
+ u8 resv2[0x30]; /* 0x40 */
+ u32 rfdr[4]; /* 0x7C */
#else
- u32 dtfdr[16];
- u32 drfdr[16];
+ u32 tfdr[16]; /* 0x3C */
+ u32 rfdr[16]; /* 0x7C */
#endif
} dspi_t;
-/* Bit definitions and macros for DMCR */
-#define DSPI_DMCR_HALT (0x00000001)
-#define DSPI_DMCR_SMPL_PT(x) (((x)&0x00000003)<<8)
-#define DSPI_DMCR_CRXF (0x00000400)
-#define DSPI_DMCR_CTXF (0x00000800)
-#define DSPI_DMCR_DRXF (0x00001000)
-#define DSPI_DMCR_DTXF (0x00002000)
-#define DSPI_DMCR_MDIS (0x00004000)
-#define DSPI_DMCR_CSIS0 (0x00010000)
-#define DSPI_DMCR_CSIS1 (0x00020000)
-#define DSPI_DMCR_CSIS2 (0x00040000)
-#define DSPI_DMCR_CSIS3 (0x00080000)
-#define DSPI_DMCR_CSIS4 (0x00100000)
-#define DSPI_DMCR_CSIS5 (0x00200000)
-#define DSPI_DMCR_CSIS6 (0x00400000)
-#define DSPI_DMCR_CSIS7 (0x00800000)
-#define DSPI_DMCR_ROOE (0x01000000)
-#define DSPI_DMCR_PCSSE (0x02000000)
-#define DSPI_DMCR_MTFE (0x04000000)
-#define DSPI_DMCR_FRZ (0x08000000)
-#define DSPI_DMCR_DCONF(x) (((x)&0x00000003)<<28)
-#define DSPI_DMCR_CSCK (0x40000000)
-#define DSPI_DMCR_MSTR (0x80000000)
+/* Module configuration */
+#define DSPI_MCR_MSTR (0x80000000)
+#define DSPI_MCR_CSCK (0x40000000)
+#define DSPI_MCR_DCONF(x) (((x)&0x03)<<28)
+#define DSPI_MCR_FRZ (0x08000000)
+#define DSPI_MCR_MTFE (0x04000000)
+#define DSPI_MCR_PCSSE (0x02000000)
+#define DSPI_MCR_ROOE (0x01000000)
+#define DSPI_MCR_CSIS7 (0x00800000)
+#define DSPI_MCR_CSIS6 (0x00400000)
+#define DSPI_MCR_CSIS5 (0x00200000)
+#define DSPI_MCR_CSIS4 (0x00100000)
+#define DSPI_MCR_CSIS3 (0x00080000)
+#define DSPI_MCR_CSIS2 (0x00040000)
+#define DSPI_MCR_CSIS1 (0x00020000)
+#define DSPI_MCR_CSIS0 (0x00010000)
+#define DSPI_MCR_MDIS (0x00004000)
+#define DSPI_MCR_DTXF (0x00002000)
+#define DSPI_MCR_DRXF (0x00001000)
+#define DSPI_MCR_CTXF (0x00000800)
+#define DSPI_MCR_CRXF (0x00000400)
+#define DSPI_MCR_SMPL_PT(x) (((x)&0x03)<<8)
+#define DSPI_MCR_HALT (0x00000001)
+
+/* Transfer count */
+#define DSPI_TCR_SPI_TCNT(x) (((x)&0x0000FFFF)<<16)
-/* Bit definitions and macros for DTCR */
-#define DSPI_DTCR_SPI_TCNT(x) (((x)&0x0000FFFF)<<16)
+/* Clock and transfer attributes */
+#define DSPI_CTAR_DBR (0x80000000)
+#define DSPI_CTAR_TRSZ(x) (((x)&0x0F)<<27)
+#define DSPI_CTAR_CPOL (0x04000000)
+#define DSPI_CTAR_CPHA (0x02000000)
+#define DSPI_CTAR_LSBFE (0x01000000)
+#define DSPI_CTAR_PCSSCK(x) (((x)&0x03)<<22)
+#define DSPI_CTAR_PCSSCK_7CLK (0x00A00000)
+#define DSPI_CTAR_PCSSCK_5CLK (0x00800000)
+#define DSPI_CTAR_PCSSCK_3CLK (0x00400000)
+#define DSPI_CTAR_PCSSCK_1CLK (0x00000000)
+#define DSPI_CTAR_PASC(x) (((x)&0x03)<<20)
+#define DSPI_CTAR_PASC_7CLK (0x00300000)
+#define DSPI_CTAR_PASC_5CLK (0x00200000)
+#define DSPI_CTAR_PASC_3CLK (0x00100000)
+#define DSPI_CTAR_PASC_1CLK (0x00000000)
+#define DSPI_CTAR_PDT(x) (((x)&0x03)<<18)
+#define DSPI_CTAR_PDT_7CLK (0x000A0000)
+#define DSPI_CTAR_PDT_5CLK (0x00080000)
+#define DSPI_CTAR_PDT_3CLK (0x00040000)
+#define DSPI_CTAR_PDT_1CLK (0x00000000)
+#define DSPI_CTAR_PBR(x) (((x)&0x03)<<16)
+#define DSPI_CTAR_PBR_7CLK (0x00030000)
+#define DSPI_CTAR_PBR_5CLK (0x00020000)
+#define DSPI_CTAR_PBR_3CLK (0x00010000)
+#define DSPI_CTAR_PBR_1CLK (0x00000000)
+#define DSPI_CTAR_CSSCK(x) (((x)&0x0F)<<12)
+#define DSPI_CTAR_ASC(x) (((x)&0x0F)<<8)
+#define DSPI_CTAR_DT(x) (((x)&0x0F)<<4)
+#define DSPI_CTAR_BR(x) (((x)&0x0F))
-/* Bit definitions and macros for DCTAR group */
-#define DSPI_DCTAR_BR(x) (((x)&0x0000000F))
-#define DSPI_DCTAR_DT(x) (((x)&0x0000000F)<<4)
-#define DSPI_DCTAR_ASC(x) (((x)&0x0000000F)<<8)
-#define DSPI_DCTAR_CSSCK(x) (((x)&0x0000000F)<<12)
-#define DSPI_DCTAR_PBR(x) (((x)&0x00000003)<<16)
-#define DSPI_DCTAR_PDT(x) (((x)&0x00000003)<<18)
-#define DSPI_DCTAR_PASC(x) (((x)&0x00000003)<<20)
-#define DSPI_DCTAR_PCSSCK(x) (((x)&0x00000003)<<22)
-#define DSPI_DCTAR_LSBFE (0x01000000)
-#define DSPI_DCTAR_CPHA (0x02000000)
-#define DSPI_DCTAR_CPOL (0x04000000)
-#define DSPI_DCTAR_TRSZ(x) (((x)&0x0000000F)<<27)
-#define DSPI_DCTAR_DBR (0x80000000)
-#define DSPI_DCTAR_PCSSCK_1CLK (0x00000000)
-#define DSPI_DCTAR_PCSSCK_3CLK (0x00400000)
-#define DSPI_DCTAR_PCSSCK_5CLK (0x00800000)
-#define DSPI_DCTAR_PCSSCK_7CLK (0x00A00000)
-#define DSPI_DCTAR_PASC_1CLK (0x00000000)
-#define DSPI_DCTAR_PASC_3CLK (0x00100000)
-#define DSPI_DCTAR_PASC_5CLK (0x00200000)
-#define DSPI_DCTAR_PASC_7CLK (0x00300000)
-#define DSPI_DCTAR_PDT_1CLK (0x00000000)
-#define DSPI_DCTAR_PDT_3CLK (0x00040000)
-#define DSPI_DCTAR_PDT_5CLK (0x00080000)
-#define DSPI_DCTAR_PDT_7CLK (0x000A0000)
-#define DSPI_DCTAR_PBR_1CLK (0x00000000)
-#define DSPI_DCTAR_PBR_3CLK (0x00010000)
-#define DSPI_DCTAR_PBR_5CLK (0x00020000)
-#define DSPI_DCTAR_PBR_7CLK (0x00030000)
+/* Status */
+#define DSPI_SR_TCF (0x80000000)
+#define DSPI_SR_TXRXS (0x40000000)
+#define DSPI_SR_EOQF (0x10000000)
+#define DSPI_SR_TFUF (0x08000000)
+#define DSPI_SR_TFFF (0x02000000)
+#define DSPI_SR_RFOF (0x00080000)
+#define DSPI_SR_RFDF (0x00020000)
+#define DSPI_SR_TXCTR(x) (((x)&0x0F)<<12)
+#define DSPI_SR_TXPTR(x) (((x)&0x0F)<<8)
+#define DSPI_SR_RXCTR(x) (((x)&0x0F)<<4)
+#define DSPI_SR_RXPTR(x) (((x)&0x0F))
-/* Bit definitions and macros for DSR */
-#define DSPI_DSR_RXPTR(x) (((x)&0x0000000F))
-#define DSPI_DSR_RXCTR(x) (((x)&0x0000000F)<<4)
-#define DSPI_DSR_TXPTR(x) (((x)&0x0000000F)<<8)
-#define DSPI_DSR_TXCTR(x) (((x)&0x0000000F)<<12)
-#define DSPI_DSR_RFDF (0x00020000)
-#define DSPI_DSR_RFOF (0x00080000)
-#define DSPI_DSR_TFFF (0x02000000)
-#define DSPI_DSR_TFUF (0x08000000)
-#define DSPI_DSR_EOQF (0x10000000)
-#define DSPI_DSR_TXRXS (0x40000000)
-#define DSPI_DSR_TCF (0x80000000)
+/* DMA/interrupt request selct and enable */
+#define DSPI_IRSR_TCFE (0x80000000)
+#define DSPI_IRSR_EOQFE (0x10000000)
+#define DSPI_IRSR_TFUFE (0x08000000)
+#define DSPI_IRSR_TFFFE (0x02000000)
+#define DSPI_IRSR_TFFFS (0x01000000)
+#define DSPI_IRSR_RFOFE (0x00080000)
+#define DSPI_IRSR_RFDFE (0x00020000)
+#define DSPI_IRSR_RFDFS (0x00010000)
-/* Bit definitions and macros for DIRSR */
-#define DSPI_DIRSR_RFDFS (0x00010000)
-#define DSPI_DIRSR_RFDFE (0x00020000)
-#define DSPI_DIRSR_RFOFE (0x00080000)
-#define DSPI_DIRSR_TFFFS (0x01000000)
-#define DSPI_DIRSR_TFFFE (0x02000000)
-#define DSPI_DIRSR_TFUFE (0x08000000)
-#define DSPI_DIRSR_EOQFE (0x10000000)
-#define DSPI_DIRSR_TCFE (0x80000000)
+/* Transfer control - 32-bit access */
+#define DSPI_TFR_CONT (0x80000000)
+#define DSPI_TFR_CTAS(x) (((x)&0x07)<<12)
+#define DSPI_TFR_EOQ (0x08000000)
+#define DSPI_TFR_CTCNT (0x04000000)
+#define DSPI_TFR_CS7 (0x00800000)
+#define DSPI_TFR_CS6 (0x00400000)
+#define DSPI_TFR_CS5 (0x00200000)
+#define DSPI_TFR_CS4 (0x00100000)
+#define DSPI_TFR_CS3 (0x00080000)
+#define DSPI_TFR_CS2 (0x00040000)
+#define DSPI_TFR_CS1 (0x00020000)
+#define DSPI_TFR_CS0 (0x00010000)
-/* Bit definitions and macros for DTFR */
-#define DSPI_DTFR_TXDATA(x) (((x)&0x0000FFFF))
-#define DSPI_DTFR_CS0 (0x00010000)
-#define DSPI_DTFR_CS2 (0x00040000)
-#define DSPI_DTFR_CS3 (0x00080000)
-#define DSPI_DTFR_CS5 (0x00200000)
-#define DSPI_DTFR_CTCNT (0x04000000)
-#define DSPI_DTFR_EOQ (0x08000000)
-#define DSPI_DTFR_CTAS(x) (((x)&0x00000007)<<28)
-#define DSPI_DTFR_CONT (0x80000000)
+/* Transfer Fifo */
+#define DSPI_TFR_TXDATA(x) (((x)&0xFFFF))
/* Bit definitions and macros for DRFR */
-#define DSPI_DRFR_RXDATA(x) (((x)&0x0000FFFF))
+#define DSPI_RFR_RXDATA(x) (((x)&0xFFFF))
/* Bit definitions and macros for DTFDR group */
-#define DSPI_DTFDR_TXDATA(x) (((x)&0x0000FFFF))
-#define DSPI_DTFDR_TXCMD(x) (((x)&0x0000FFFF)<<16)
+#define DSPI_TFDR_TXDATA(x) (((x)&0x0000FFFF))
+#define DSPI_TFDR_TXCMD(x) (((x)&0x0000FFFF)<<16)
/* Bit definitions and macros for DRFDR group */
-#define DSPI_DRFDR_RXDATA(x) (((x)&0x0000FFFF))
-
-void dspi_init(void);
-void dspi_tx(int chipsel, u8 attrib, u16 data);
-u16 dspi_rx(void);
+#define DSPI_RFDR_RXDATA(x) (((x)&0x0000FFFF))
#endif /* __DSPI_H__ */
diff --git a/include/configs/M52277EVB.h b/include/configs/M52277EVB.h
index 77a38ec..e7db0cc 100644
--- a/include/configs/M52277EVB.h
+++ b/include/configs/M52277EVB.h
@@ -154,26 +154,22 @@
#define CONFIG_SYS_IMMR CONFIG_SYS_MBAR
/* DSPI and Serial Flash */
+#define CONFIG_CF_SPI
#define CONFIG_CF_DSPI
#define CONFIG_HARD_SPI
-#define CONFIG_SYS_SER_FLASH_BASE 0x01000000
#define CONFIG_SYS_SBFHDR_SIZE 0x7
#ifdef CONFIG_CMD_SPI
# define CONFIG_SYS_DSPI_CS2
# define CONFIG_SPI_FLASH
# define CONFIG_SPI_FLASH_STMICRO
-# define CONFIG_SYS_DSPI_DCTAR0 (DSPI_DCTAR_TRSZ(7) | \
- DSPI_DCTAR_CPOL | \
- DSPI_DCTAR_CPHA | \
- DSPI_DCTAR_PCSSCK_1CLK | \
- DSPI_DCTAR_PASC(0) | \
- DSPI_DCTAR_PDT(0) | \
- DSPI_DCTAR_CSSCK(0) | \
- DSPI_DCTAR_ASC(0) | \
- DSPI_DCTAR_PBR(0) | \
- DSPI_DCTAR_DT(1) | \
- DSPI_DCTAR_BR(1))
+# define CONFIG_SYS_DSPI_CTAR0 (DSPI_CTAR_TRSZ(7) | \
+ DSPI_CTAR_PCSSCK_1CLK | \
+ DSPI_CTAR_PASC(0) | \
+ DSPI_CTAR_PDT(0) | \
+ DSPI_CTAR_CSSCK(0) | \
+ DSPI_CTAR_ASC(0) | \
+ DSPI_CTAR_DT(1))
#endif
/* Input, PCI, Flexbus, and VCO */
@@ -265,9 +261,7 @@
* FLASH organization
*/
#ifdef CONFIG_SYS_STMICRO_BOOT
-# define CONFIG_SYS_FLASH_BASE CONFIG_SYS_SER_FLASH_BASE
-# define CONFIG_SYS_FLASH0_BASE CONFIG_SYS_SER_FLASH_BASE
-# define CONFIG_SYS_FLASH1_BASE CONFIG_SYS_CS0_BASE
+# define CONFIG_SYS_FLASH_BASE CONFIG_SYS_CS0_BASE
# define CONFIG_ENV_OFFSET 0x30000
# define CONFIG_ENV_SIZE 0x1000
# define CONFIG_ENV_SECT_SIZE 0x10000
diff --git a/include/configs/M54451EVB.h b/include/configs/M54451EVB.h
index cc57da8..69bb26b 100644
--- a/include/configs/M54451EVB.h
+++ b/include/configs/M54451EVB.h
@@ -167,26 +167,24 @@
#define CONFIG_SYS_IMMR CONFIG_SYS_MBAR
/* DSPI and Serial Flash */
+#define CONFIG_CF_SPI
#define CONFIG_CF_DSPI
#define CONFIG_SERIAL_FLASH
#define CONFIG_HARD_SPI
-#define CONFIG_SYS_SER_FLASH_BASE 0x01000000
#define CONFIG_SYS_SBFHDR_SIZE 0x7
#ifdef CONFIG_CMD_SPI
# define CONFIG_SPI_FLASH
# define CONFIG_SPI_FLASH_STMICRO
-# define CONFIG_SYS_DSPI_DCTAR0 (DSPI_DCTAR_TRSZ(7) | \
- DSPI_DCTAR_CPOL | \
- DSPI_DCTAR_CPHA | \
- DSPI_DCTAR_PCSSCK_1CLK | \
- DSPI_DCTAR_PASC(0) | \
- DSPI_DCTAR_PDT(0) | \
- DSPI_DCTAR_CSSCK(0) | \
- DSPI_DCTAR_ASC(0) | \
- DSPI_DCTAR_PBR(0) | \
- DSPI_DCTAR_DT(1) | \
- DSPI_DCTAR_BR(1))
+# define CONFIG_SYS_DSPI_CTAR0 (DSPI_CTAR_TRSZ(7) | \
+ DSPI_CTAR_PCSSCK_1CLK | \
+ DSPI_CTAR_PASC(0) | \
+ DSPI_CTAR_PDT(0) | \
+ DSPI_CTAR_CSSCK(0) | \
+ DSPI_CTAR_ASC(0) | \
+ DSPI_CTAR_DT(1))
+# define CONFIG_SYS_DSPI_CTAR1 (CONFIG_SYS_DSPI_CTAR0)
+# define CONFIG_SYS_DSPI_CTAR2 (CONFIG_SYS_DSPI_CTAR0)
#endif
/* Input, PCI, Flexbus, and VCO */
@@ -281,18 +279,8 @@
#undef CONFIG_ENV_OVERWRITE
#undef CONFIG_ENV_IS_EMBEDDED
-/*-----------------------------------------------------------------------
- * FLASH organization
- */
-#ifdef CONFIG_SYS_STMICRO_BOOT
-# define CONFIG_SYS_FLASH_BASE CONFIG_SYS_SER_FLASH_BASE
-# define CONFIG_SYS_FLASH0_BASE CONFIG_SYS_SER_FLASH_BASE
-# define CONFIG_SYS_FLASH1_BASE CONFIG_SYS_CS0_BASE
-#else
-# define CONFIG_SYS_FLASH_BASE CONFIG_SYS_CS0_BASE
-# define CONFIG_SYS_FLASH0_BASE CONFIG_SYS_CS0_BASE
-# define CONFIG_SYS_FLASH1_BASE CONFIG_SYS_SER_FLASH_BASE
-#endif
+/* FLASH organization */
+#define CONFIG_SYS_FLASH_BASE CONFIG_SYS_CS0_BASE
#define CONFIG_SYS_FLASH_CFI
#ifdef CONFIG_SYS_FLASH_CFI
diff --git a/include/configs/M54455EVB.h b/include/configs/M54455EVB.h
index 4e33171..14d98d6 100644
--- a/include/configs/M54455EVB.h
+++ b/include/configs/M54455EVB.h
@@ -200,25 +200,21 @@
#define CONFIG_SYS_IMMR CONFIG_SYS_MBAR
/* DSPI and Serial Flash */
+#define CONFIG_CF_SPI
#define CONFIG_CF_DSPI
#define CONFIG_HARD_SPI
-#define CONFIG_SYS_SER_FLASH_BASE 0x01000000
#define CONFIG_SYS_SBFHDR_SIZE 0x13
#ifdef CONFIG_CMD_SPI
# define CONFIG_SPI_FLASH
# define CONFIG_SPI_FLASH_STMICRO
-# define CONFIG_SYS_DSPI_DCTAR0 (DSPI_DCTAR_TRSZ(7) | \
- DSPI_DCTAR_CPOL | \
- DSPI_DCTAR_CPHA | \
- DSPI_DCTAR_PCSSCK_1CLK | \
- DSPI_DCTAR_PASC(0) | \
- DSPI_DCTAR_PDT(0) | \
- DSPI_DCTAR_CSSCK(0) | \
- DSPI_DCTAR_ASC(0) | \
- DSPI_DCTAR_PBR(0) | \
- DSPI_DCTAR_DT(1) | \
- DSPI_DCTAR_BR(1))
+# define CONFIG_SYS_DSPI_CTAR0 (DSPI_CTAR_TRSZ(7) | \
+ DSPI_CTAR_PCSSCK_1CLK | \
+ DSPI_CTAR_PASC(0) | \
+ DSPI_CTAR_PDT(0) | \
+ DSPI_CTAR_CSSCK(0) | \
+ DSPI_CTAR_ASC(0) | \
+ DSPI_CTAR_DT(1))
#endif
/* PCI */
@@ -342,10 +338,8 @@
* FLASH organization
*/
#ifdef CONFIG_SYS_STMICRO_BOOT
-# define CONFIG_SYS_FLASH_BASE CONFIG_SYS_SER_FLASH_BASE
-# define CONFIG_SYS_FLASH0_BASE CONFIG_SYS_SER_FLASH_BASE
-# define CONFIG_SYS_FLASH1_BASE CONFIG_SYS_CS0_BASE
-# define CONFIG_SYS_FLASH2_BASE CONFIG_SYS_CS1_BASE
+# define CONFIG_SYS_FLASH_BASE CONFIG_SYS_CS0_BASE
+# define CONFIG_SYS_FLASH0_BASE CONFIG_SYS_CS1_BASE
# define CONFIG_ENV_OFFSET 0x30000
# define CONFIG_ENV_SIZE 0x2000
# define CONFIG_ENV_SECT_SIZE 0x10000