Module Name: src
Committed By: macallan
Date: Thu Oct 8 17:54:31 UTC 2015
Modified Files:
src/sys/arch/mips/conf: files.ingenic
src/sys/arch/mips/ingenic: apbus.c ingenic_regs.h
Added Files:
src/sys/arch/mips/ingenic: ingenic_efuse.c
Log Message:
add a driver for the chip's EFUSE interface, use it to find the MAC address
for the onboard ethernet controller
To generate a diff of this commit:
cvs rdiff -u -r1.7 -r1.8 src/sys/arch/mips/conf/files.ingenic
cvs rdiff -u -r1.17 -r1.18 src/sys/arch/mips/ingenic/apbus.c
cvs rdiff -u -r0 -r1.1 src/sys/arch/mips/ingenic/ingenic_efuse.c
cvs rdiff -u -r1.21 -r1.22 src/sys/arch/mips/ingenic/ingenic_regs.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/mips/conf/files.ingenic
diff -u src/sys/arch/mips/conf/files.ingenic:1.7 src/sys/arch/mips/conf/files.ingenic:1.8
--- src/sys/arch/mips/conf/files.ingenic:1.7 Fri Aug 7 17:39:58 2015
+++ src/sys/arch/mips/conf/files.ingenic Thu Oct 8 17:54:30 2015
@@ -1,4 +1,4 @@
-# $NetBSD: files.ingenic,v 1.7 2015/08/07 17:39:58 macallan Exp $
+# $NetBSD: files.ingenic,v 1.8 2015/10/08 17:54:30 macallan Exp $
include "dev/scsipi/files.scsipi" # SCSI devices
include "dev/ata/files.ata" # ATA devices
@@ -45,3 +45,8 @@ defflag opt_ingenic.h JZMMC_DEBUG
device jzrng
attach jzrng at apbus with ingenic_rng
file arch/mips/ingenic/ingenic_rng.c ingenic_rng
+
+# EFUSE
+device efuse
+attach efuse at apbus with ingenic_efuse
+file arch/mips/ingenic/ingenic_efuse.c ingenic_efuse
Index: src/sys/arch/mips/ingenic/apbus.c
diff -u src/sys/arch/mips/ingenic/apbus.c:1.17 src/sys/arch/mips/ingenic/apbus.c:1.18
--- src/sys/arch/mips/ingenic/apbus.c:1.17 Fri Aug 7 17:39:58 2015
+++ src/sys/arch/mips/ingenic/apbus.c Thu Oct 8 17:54:30 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: apbus.c,v 1.17 2015/08/07 17:39:58 macallan Exp $ */
+/* $NetBSD: apbus.c,v 1.18 2015/10/08 17:54:30 macallan Exp $ */
/*-
* Copyright (c) 2014 Michael Lorenz
@@ -29,7 +29,7 @@
/* catch-all for on-chip peripherals */
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: apbus.c,v 1.17 2015/08/07 17:39:58 macallan Exp $");
+__KERNEL_RCSID(0, "$NetBSD: apbus.c,v 1.18 2015/10/08 17:54:30 macallan Exp $");
#include "locators.h"
#define _MIPS_BUS_DMA_PRIVATE
@@ -72,6 +72,7 @@ typedef struct apbus_dev {
} apbus_dev_t;
static const apbus_dev_t apbus_devs[] = {
+ { "efuse", JZ_EFUSE, -1, 0, 0, 0},
{ "com", JZ_UART0, 51, CLK_UART0, 0, 0},
{ "com", JZ_UART1, 50, CLK_UART1, 0, 0},
{ "com", JZ_UART2, 49, CLK_UART2, 0, 0},
Index: src/sys/arch/mips/ingenic/ingenic_regs.h
diff -u src/sys/arch/mips/ingenic/ingenic_regs.h:1.21 src/sys/arch/mips/ingenic/ingenic_regs.h:1.22
--- src/sys/arch/mips/ingenic/ingenic_regs.h:1.21 Fri Aug 7 17:37:54 2015
+++ src/sys/arch/mips/ingenic/ingenic_regs.h Thu Oct 8 17:54:30 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: ingenic_regs.h,v 1.21 2015/08/07 17:37:54 macallan Exp $ */
+/* $NetBSD: ingenic_regs.h,v 1.22 2015/10/08 17:54:30 macallan Exp $ */
/*-
* Copyright (c) 2014 Michael Lorenz
@@ -778,4 +778,42 @@ gpio_as_input(uint32_t g, int pin)
#define JZ_SMS_SDR50 0x00000004
#define JZ_MSC_RTCNT 0x5c /* RT FIFO count */
+/* EFUSE Slave Interface */
+#define JZ_EFUSE 0x134100D0
+#define JZ_EFUCTRL 0x00
+ #define JZ_EFUSE_BANK 0x40000000 /* select upper 4KBit */
+ #define JZ_EFUSE_ADDR_M 0x3fe00000 /* in bytes */
+ #define JZ_EFUSE_ADDR_SHIFT 21
+ #define JZ_EFUSE_SIZE_M 0x001f0000 /* in bytes */
+ #define JZ_EFUSE_SIZE_SHIFT 16
+ #define JZ_EFUSE_PROG 0x00008000 /* enable programming */
+ #define JZ_EFUSE_WRITE 0x00000002 /* write enable */
+ #define JZ_EFUSE_READ 0x00000001 /* read enable */
+#define JZ_EFUCFG 0x04
+ #define JZ_EFUSE_INT_E 0x80000000 /* which IRQ? */
+ #define JZ_EFUSE_RD_ADJ_M 0x00f00000
+ #define JZ_EFUSE_RD_STROBE 0x000f0000
+ #define JZ_EFUSE_WR_ADJUST 0x0000f000
+ #define JZ_EFUSE_WR_STROBE 0x00000fff
+#define JZ_EFUSTATE 0x08
+ #define JZ_EFUSE_GLOBAL_P 0x00008000 /* wr protect bits */
+ #define JZ_EFUSE_CHIPID_P 0x00004000
+ #define JZ_EFUSE_CUSTID_P 0x00002000
+ #define JZ_EFUSE_SECWR_EN 0x00001000
+ #define JZ_EFUSE_PC_P 0x00000800
+ #define JZ_EFUSE_HDMIKEY_P 0x00000400
+ #define JZ_EFUSE_SECKEY_P 0x00000200
+ #define JZ_EFUSE_SECBOOT_EN 0x00000100
+ #define JZ_EFUSE_HDMI_BUSY 0x00000004
+ #define JZ_EFUSE_WR_DONE 0x00000002
+ #define JZ_EFUSE_RD_DONE 0x00000001
+#define JZ_EFUDATA0 0x0C
+#define JZ_EFUDATA1 0x10
+#define JZ_EFUDATA2 0x14
+#define JZ_EFUDATA3 0x18
+#define JZ_EFUDATA4 0x1C
+#define JZ_EFUDATA5 0x20
+#define JZ_EFUDATA6 0x24
+#define JZ_EFUDATA7 0x28
+
#endif /* INGENIC_REGS_H */
Added files:
Index: src/sys/arch/mips/ingenic/ingenic_efuse.c
diff -u /dev/null src/sys/arch/mips/ingenic/ingenic_efuse.c:1.1
--- /dev/null Thu Oct 8 17:54:31 2015
+++ src/sys/arch/mips/ingenic/ingenic_efuse.c Thu Oct 8 17:54:30 2015
@@ -0,0 +1,130 @@
+/* $NetBSD: ingenic_efuse.c,v 1.1 2015/10/08 17:54:30 macallan Exp $ */
+
+/*-
+ * Copyright (c) 2015 Michael Lorenz
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: ingenic_efuse.c,v 1.1 2015/10/08 17:54:30 macallan Exp $");
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/mutex.h>
+#include <sys/bus.h>
+
+#include <mips/ingenic/ingenic_var.h>
+#include <mips/ingenic/ingenic_regs.h>
+
+#include "opt_ingenic.h"
+
+static int ingenic_efuse_match(device_t, struct cfdata *, void *);
+static void ingenic_efuse_attach(device_t, device_t, void *);
+
+struct efuse_softc {
+ device_t sc_dev;
+ bus_space_tag_t sc_iot;
+ bus_space_handle_t sc_ioh;
+ uint8_t sc_data[0x20];
+};
+
+static void ingenic_efuse_read(struct efuse_softc *, int, int, uint8_t *);
+
+void ingenic_set_enaddr(uint8_t *);
+
+CFATTACH_DECL_NEW(ingenic_efuse, sizeof(struct efuse_softc),
+ ingenic_efuse_match, ingenic_efuse_attach, NULL, NULL);
+
+/* ARGSUSED */
+static int
+ingenic_efuse_match(device_t parent, struct cfdata *match, void *aux)
+{
+ struct apbus_attach_args *aa = aux;
+
+ if (strcmp(aa->aa_name, "efuse") != 0)
+ return 0;
+
+ return 1;
+}
+
+/* ARGSUSED */
+static void
+ingenic_efuse_attach(device_t parent, device_t self, void *aux)
+{
+ struct efuse_softc *sc = device_private(self);
+ struct apbus_attach_args *aa = aux;
+ int error;
+
+ sc->sc_dev = self;
+
+ sc->sc_iot = aa->aa_bst;
+
+ if (aa->aa_addr == 0)
+ aa->aa_addr = JZ_EFUSE;
+
+ error = bus_space_map(aa->aa_bst, aa->aa_addr, 0x30, 0, &sc->sc_ioh);
+ if (error) {
+ aprint_error_dev(self,
+ "can't map registers for %s: %d\n", aa->aa_name, error);
+ return;
+ }
+
+ aprint_naive(": Ingenic EFUSE Slave Interface\n");
+ aprint_normal(": Ingenic EFUSE Slave Interface\n");
+ ingenic_efuse_read(sc, 8, 0x20, sc->sc_data);
+ ingenic_set_enaddr(&sc->sc_data[0x1a]);
+#ifdef INGENIC_DEBUG
+ {
+ int i. j;
+ for (i = 0; i < 0x20; i += 8) {
+ printf("%02x:", i);
+ for (j = 0; j < 8; j++)
+ printf(" %02x", sc->sc_data[i + j]);
+ printf("\n");
+ }
+ }
+#endif
+}
+
+static void
+ingenic_efuse_read(struct efuse_softc *sc, int addr, int len, uint8_t *buf)
+{
+ uint32_t abuf;
+ int i;
+
+ bus_space_write_4(sc->sc_iot, sc->sc_ioh, JZ_EFUCFG, 0x00040000);
+ bus_space_write_4(sc->sc_iot, sc->sc_ioh, JZ_EFUCTRL,
+ JZ_EFUSE_READ |
+ (addr << JZ_EFUSE_ADDR_SHIFT) |
+ ((len - 1) << JZ_EFUSE_SIZE_SHIFT));
+ do {} while ((bus_space_read_4(sc->sc_iot, sc->sc_ioh, JZ_EFUSTATE) &
+ JZ_EFUSE_RD_DONE) == 0);
+ for (i = 0; i < len; i += 4) {
+ abuf = bus_space_read_4(sc->sc_iot, sc->sc_ioh,
+ JZ_EFUDATA0 + i);
+ memcpy(buf, &abuf, 4);
+ buf += 4;
+ }
+}
\ No newline at end of file
