arm: mvebu: board/Synology: Unify legacy kernel support
Move the relevant bits from ds109.{c,h} into common/ and adjust the code
to fit both DS109 and DS414. Moreover:
* Introduce syno_board_id() which translates CONFIG_MACH_TYPE into the
expected board ID tag value.
* Properly initialize isusbhost, mac and mtu fields from env variables.
* Set the right bootargs/bootcmd to correctly boot legacy kernel out of
the (DS414) box. Getting the ramdisk location right is a bit tedious.
Cc: Walter Schweizer <swwa@users.sourceforge.net>
Signed-off-by: Phil Sutter <phil@nwl.cc>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/board/Synology/common/Makefile b/board/Synology/common/Makefile
new file mode 100644
index 0000000..62354cc
--- /dev/null
+++ b/board/Synology/common/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2021 Phil Sutter <phil@nwl.cc>
+
+obj-y += legacy.o
diff --git a/board/Synology/common/legacy.c b/board/Synology/common/legacy.c
new file mode 100644
index 0000000..3c89e92
--- /dev/null
+++ b/board/Synology/common/legacy.c
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021
+ * Walter Schweizer <swwa@users.sourceforge.net>
+ * Phil Sutter <phil@nwl.cc>
+ */
+
+#include <config.h>
+#include <vsprintf.h>
+#include <env.h>
+#include <net.h>
+#include <asm/setup.h>
+
+#include "legacy.h"
+
+static unsigned int syno_board_id(void)
+{
+ switch (CONFIG_MACH_TYPE) {
+ case 527:
+ return SYNO_DS109_ID;
+ case 3036:
+ return SYNO_AXP_4BAY_2BAY;
+ default:
+ return 0;
+ }
+}
+
+static unsigned int usb_port_modes(void)
+{
+ unsigned int i, ret = 0;
+ char var[32], *val;
+
+ for (i = 0; i < USBPORT_MAX; i++) {
+ snprintf(var, 32, "usb%dMode", i);
+ val = env_get(var);
+
+ if (!val || strcasecmp(val, "host"))
+ continue;
+
+ ret |= 1 << i;
+ }
+ return ret;
+}
+
+/* Support old kernels */
+void setup_board_tags(struct tag **in_params)
+{
+ struct tag_mv_uboot *t;
+ struct tag *params;
+ int i;
+
+ debug("Synology board tags...\n");
+
+ params = *in_params;
+ t = (struct tag_mv_uboot *)¶ms->u;
+
+ t->uboot_version = VER_NUM | syno_board_id();
+ t->tclk = CONFIG_SYS_TCLK;
+ t->sysclk = CONFIG_SYS_TCLK * 2;
+ t->isusbhost = usb_port_modes();
+
+ for (i = 0; i < ETHADDR_MAX; i++) {
+ char addrvar[16], mtuvar[16];
+
+ sprintf(addrvar, i ? "eth%daddr" : "ethaddr", i);
+ sprintf(mtuvar, i ? "eth%dmtu" : "ethmtu", i);
+
+ eth_env_get_enetaddr(addrvar, t->macaddr[i]);
+ t->mtu[i] = env_get_ulong(mtuvar, 10, 0);
+ }
+
+ params->hdr.tag = ATAG_MV_UBOOT;
+ params->hdr.size = tag_size(tag_mv_uboot);
+ params = tag_next(params);
+ *in_params = params;
+}
diff --git a/board/Synology/common/legacy.h b/board/Synology/common/legacy.h
new file mode 100644
index 0000000..0a81432
--- /dev/null
+++ b/board/Synology/common/legacy.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2021
+ * Walter Schweizer <swwa@users.sourceforge.net>
+ * Phil Sutter <phil@nwl.cc>
+ */
+
+#ifndef __SYNO_LEGACY_H
+#define __SYNO_LEGACY_H
+
+/* Marvell uboot parameters */
+#define ATAG_MV_UBOOT 0x41000403
+#define VER_NUM 0x03040400 /* 3.4.4 */
+
+#define BOARD_ID_BASE 0x0
+#define SYNO_DS109_ID (BOARD_ID_BASE + 0x15)
+#define SYNO_AXP_4BAY_2BAY (0xf + 1)
+
+#define ETHADDR_MAX 4
+#define USBPORT_MAX 3
+
+struct tag_mv_uboot {
+ u32 uboot_version;
+ u32 tclk;
+ u32 sysclk;
+ u32 isusbhost;
+ u8 macaddr[ETHADDR_MAX][ETH_ALEN];
+ u16 mtu[ETHADDR_MAX];
+ u32 fw_image_base;
+ u32 fw_image_size;
+};
+
+#endif /* __SYNO_LEGACY_H */
diff --git a/board/Synology/ds109/ds109.c b/board/Synology/ds109/ds109.c
index eaac954..3914faa 100644
--- a/board/Synology/ds109/ds109.c
+++ b/board/Synology/ds109/ds109.c
@@ -114,38 +114,6 @@
SOFTWARE_REBOOT);
}
-/* Support old kernels */
-void setup_board_tags(struct tag **in_params)
-{
- unsigned int boardId;
- struct tag *params;
- struct tag_mv_uboot *t;
- int i;
-
- printf("Synology board tags...");
- params = *in_params;
- t = (struct tag_mv_uboot *)¶ms->u;
-
- t->uboot_version = VER_NUM;
-
- boardId = SYNO_DS109_ID;
- t->uboot_version |= boardId;
-
- t->tclk = CONFIG_SYS_TCLK;
- t->sysclk = CONFIG_SYS_TCLK*2;
-
- t->isusbhost = 1;
- for (i = 0; i < 4; i++) {
- memset(t->macaddr[i], 0, sizeof(t->macaddr[i]));
- t->mtu[i] = 0;
- }
-
- params->hdr.tag = ATAG_MV_UBOOT;
- params->hdr.size = tag_size(tag_mv_uboot);
- params = tag_next(params);
- *in_params = params;
-}
-
#ifdef CONFIG_RESET_PHY_R
/* Configure and enable MV88E1116 PHY */
void reset_phy(void)
diff --git a/board/Synology/ds109/ds109.h b/board/Synology/ds109/ds109.h
index cc6ef99..0cf0525 100644
--- a/board/Synology/ds109/ds109.h
+++ b/board/Synology/ds109/ds109.h
@@ -23,21 +23,4 @@
#define MV88E1116_RGMII_TXTM_CTRL (1 << 4)
#define MV88E1116_RGMII_RXTM_CTRL (1 << 5)
-/* Marvell uboot parameters */
-#define ATAG_MV_UBOOT 0x41000403
-#define VER_NUM 0x03040400 /* 3.4.4 */
-#define BOARD_ID_BASE 0x0
-#define SYNO_DS109_ID (BOARD_ID_BASE+0x15)
-
-struct tag_mv_uboot {
- u32 uboot_version;
- u32 tclk;
- u32 sysclk;
- u32 isusbhost;
- char macaddr[4][6];
- u16 mtu[4];
- u32 fw_image_base;
- u32 fw_image_size;
-};
-
#endif /* __DS109_H */