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[src/trunk]: src/sys Add support Microchip SST25VF016B.
details: https://anonhg.NetBSD.org/src/rev/2c359f81be4e
branches: trunk
changeset: 355634:2c359f81be4e
user: hkenken <hkenken%NetBSD.org@localhost>
date: Mon Aug 07 09:24:43 2017 +0000
description:
Add support Microchip SST25VF016B.
- Fixed imxspi send and receive bugs.
diffstat:
sys/arch/arm/imx/imxspi.c | 24 ++++++++++++------------
sys/arch/evbarm/conf/NETWALKER | 6 +++---
sys/dev/spi/m25p.c | 34 ++++++++++++++++++++++------------
3 files changed, 37 insertions(+), 27 deletions(-)
diffs (197 lines):
diff -r f7cb1c73bd51 -r 2c359f81be4e sys/arch/arm/imx/imxspi.c
--- a/sys/arch/arm/imx/imxspi.c Mon Aug 07 08:54:54 2017 +0000
+++ b/sys/arch/arm/imx/imxspi.c Mon Aug 07 09:24:43 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: imxspi.c,v 1.2 2014/03/29 12:00:27 hkenken Exp $ */
+/* $NetBSD: imxspi.c,v 1.3 2017/08/07 09:24:43 hkenken Exp $ */
/*-
* Copyright (c) 2014 Genetec Corporation. All rights reserved.
@@ -32,7 +32,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: imxspi.c,v 1.2 2014/03/29 12:00:27 hkenken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: imxspi.c,v 1.3 2017/08/07 09:24:43 hkenken Exp $");
#include "opt_imx.h"
#include "opt_imxspi.h"
@@ -256,7 +256,7 @@
while (chunk->chunk_wresid) {
/* transmit fifo full? */
if (READ_REG(sc, STATREG) & IMXSPI(STAT_TF))
- return;
+ goto out;
if (chunk->chunk_wptr) {
data = *chunk->chunk_wptr;
@@ -271,7 +271,7 @@
/* advance to next transfer */
sc->sc_wchunk = sc->sc_wchunk->chunk_next;
}
-
+out:
if (!(READ_REG(sc, STATREG) & IMXSPI(INTR_TE_EN)))
WRITE_REG(sc, CONREG, READ_REG(sc, CONREG) | IMXSPI(CON_XCH));
}
@@ -321,7 +321,7 @@
sc->sc_tag->spi_cs_enable(sc->sc_tag->cookie,
st->st_slave);
- /*chip slect*/
+ /* chip slect */
chipselect = READ_REG(sc, CONREG);
chipselect &= ~IMXSPI(CON_CS);
chipselect |= __SHIFTIN(st->st_slave, IMXSPI(CON_CS));
@@ -382,19 +382,19 @@
return 0;
}
+ /* RXFIFO ready? */
+ if (sr & IMXSPI(INTR_RR_EN)) {
+ imxspi_recv(sc);
+ if (sc->sc_wchunk == NULL && sc->sc_rchunk == NULL)
+ imxspi_done(sc, err);
+ }
+
/* Transfer Conplete? */
if (sr & IMXSPI(INTR_TC_EN)) {
/* complete TX */
imxspi_send(sc);
}
- /* RXFIFO ready */
- if (sr & IMXSPI(INTR_RR_EN)) {
- imxspi_recv(sc);
- if (sc->sc_wchunk == NULL && sc->sc_rchunk == NULL)
- imxspi_done(sc, err);
- }
-
/* status register clear */
WRITE_REG(sc, STATREG, sr);
diff -r f7cb1c73bd51 -r 2c359f81be4e sys/arch/evbarm/conf/NETWALKER
--- a/sys/arch/evbarm/conf/NETWALKER Mon Aug 07 08:54:54 2017 +0000
+++ b/sys/arch/evbarm/conf/NETWALKER Mon Aug 07 09:24:43 2017 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: NETWALKER,v 1.35 2015/12/21 04:26:29 hkenken Exp $
+# $NetBSD: NETWALKER,v 1.36 2017/08/07 09:24:43 hkenken Exp $
#
# NETWALKER -- http://www.sharp.co.jp/netwalker/
#
@@ -113,8 +113,8 @@
imxpwm0 at axi? addr 0x73FB4000 irq 61
# SPI NOR-Flash
-#spiflash0 at spiflashbus?
-#m25p0 at spi0 slave 1
+spiflash0 at spiflashbus?
+m25p0 at spi0 slave 1
# SD/MMC
sdhc0 at axi? addr 0x70004000 irq 1 # eSDHC1
diff -r f7cb1c73bd51 -r 2c359f81be4e sys/dev/spi/m25p.c
--- a/sys/dev/spi/m25p.c Mon Aug 07 08:54:54 2017 +0000
+++ b/sys/dev/spi/m25p.c Mon Aug 07 09:24:43 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: m25p.c,v 1.4 2013/10/26 15:18:21 rkujawa Exp $ */
+/* $NetBSD: m25p.c,v 1.5 2017/08/07 09:24:43 hkenken Exp $ */
/*-
* Copyright (c) 2006 Urbana-Champaign Independent Media Center.
@@ -42,7 +42,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: m25p.c,v 1.4 2013/10/26 15:18:21 rkujawa Exp $");
+__KERNEL_RCSID(0, "$NetBSD: m25p.c,v 1.5 2017/08/07 09:24:43 hkenken Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -60,6 +60,7 @@
static int m25p_match(device_t , cfdata_t , void *);
static void m25p_attach(device_t , device_t , void *);
+static void m25p_doattach(device_t);
static const char *m25p_getname(void *);
static struct spi_handle *m25p_gethandle(void *);
static int m25p_getflags(void *);
@@ -95,7 +96,8 @@
{ 0x14, 0x20, 0x2015, "STMicro M25P16", 2048, 64 }, /* 16Mbit */
{ 0x12, 0x20, 0x2013, "STMicro M25P40", 512, 64 }, /* 4Mbit */
{ 0xc0, 0x20, 0x7117, "STMicro M25PX64", 8192, 64 }, /* 64Mbit */
- { 0x0, 0x20, 0xBB18, "Numonyx N25Q128", 16384, 64 }, /* 128Mbit */
+ { 0x00, 0x20, 0xBB18, "Numonyx N25Q128", 16384, 64 }, /* 128Mbit */
+ { 0x00, 0xBF, 0x2541, "Microchip SST25VF016B", 2048, 64 }, /* 16Mbit */
{ 0 }
};
@@ -116,20 +118,27 @@
{
struct m25p_softc *sc = device_private(self);
struct spi_attach_args *sa = aux;
+
+ sc->sc_sh = sa->sa_handle;
+
+ config_interrupts(self, m25p_doattach);
+}
+
+static void
+m25p_doattach(device_t self)
+{
+ struct m25p_softc *sc = device_private(self);
const struct m25p_info *info;
- uint8_t buf[4];
+ uint8_t buf[4];
uint8_t cmd;
uint8_t mfgid;
uint8_t sig;
uint16_t devid;
- sc->sc_sh = sa->sa_handle;
-
/* first we try JEDEC ID read */
-
cmd = SPIFLASH_CMD_RDJI;
- if (spi_send_recv(sa->sa_handle, 1, &cmd, 3, buf)) {
- aprint_error(": failed to get JEDEC identification\n");
+ if (spi_send_recv(sc->sc_sh, 1, &cmd, 3, buf)) {
+ aprint_error(": failed to get JEDEC identification\n");
return;
}
mfgid = buf[0];
@@ -137,7 +146,7 @@
if ((mfgid == 0xff) || (mfgid == 0)) {
cmd = SPIFLASH_CMD_RDID;
- if (spi_send_recv(sa->sa_handle, 1, &cmd, 4, buf)) {
+ if (spi_send_recv(sc->sc_sh, 1, &cmd, 4, buf)) {
aprint_error(": failed to get legacy signature\n");
return;
}
@@ -150,7 +159,7 @@
for (info = m25p_infos; info->name; info++) {
if ((info->mfgid == mfgid) && (info->devid == devid))
break;
- if (sig == info->sig)
+ if ((sig != 0) && (sig == info->sig))
break;
}
@@ -160,7 +169,6 @@
}
sc->sc_name = info->name;
- sc->sc_sh = sa->sa_handle;
sc->sc_sizes[SPIFLASH_SIZE_DEVICE] = info->size * 1024;
sc->sc_sizes[SPIFLASH_SIZE_ERASE] = info->sector * 1024;
sc->sc_sizes[SPIFLASH_SIZE_WRITE] = 256;
@@ -168,6 +176,8 @@
sc->sc_flags = SPIFLASH_FLAG_FAST_READ;
+ aprint_normal_dev(self, "JEDEC ID mfgid:0x%02X, devid:0x%04X",
+ mfgid, devid);
aprint_normal("\n");
spiflash_attach_mi(&m25p_hw_if, sc, self);
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