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authorPeter Maydell <peter.maydell@linaro.org>2015-05-18 20:23:16 +0100
committerPeter Maydell <peter.maydell@linaro.org>2015-05-18 20:23:16 +0100
commit62bf3df432d93fa6eb0f355c460d6d784b7cbc1a (patch)
tree1130e9024e95c5479bca9ca0fd45557978daa82d /include/hw/net/cadence_gem.h
parent385057cbec9b4a0eb6150330c572e875ed714965 (diff)
parent18084b2f71b22b3ec3bf4828b8cb83d1d39e8502 (diff)
downloadhqemu-62bf3df432d93fa6eb0f355c460d6d784b7cbc1a.zip
hqemu-62bf3df432d93fa6eb0f355c460d6d784b7cbc1a.tar.gz
Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20150518-3' into staging
target-arm: * New board model: xlnx-ep108 * Some more preparation for AArch64 EL2/EL3 * Fix bugs in access checking for generic counter registers * Remove a stray '+' sign # gpg: Signature made Mon May 18 20:13:05 2015 BST using RSA key ID 14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" * remotes/pmaydell/tags/pull-target-arm-20150518-3: (21 commits) target-arm: Remove unneeded '+' target-arm: Correct accessfn for CNTV_TVAL_EL0 target-arm: Correct accessfn for CNTP_{CT}VAL_EL0 target-arm: Add WFx syndrome function target-arm: Add EL3 and EL2 TCR checking target-arm: Add TTBR regime function and use linux-user/arm: Correct TARGET_NR_timerfd to TARGET_NR_timerfd_create arm: xlnx-ep108: Add bootloading arm: xlnx-ep108: Add external RAM arm: Add xlnx-ep108 machine arm: xlnx-zynqmp: Add UART support char: cadence_uart: Split state struct and type into header char: cadence_uart: Clean up variable names arm: xlnx-zynqmp: Add GEM support net: cadence_gem: Split state struct and type into header net: cadence_gem: Clean up variable names arm: xlnx-zynqmp: Connect CPU Timers to GIC arm: xlnx-zynqmp: Add GIC arm: Introduce Xilinx ZynqMP SoC target-arm: cpu64: Add support for Cortex-A53 ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/hw/net/cadence_gem.h')
-rw-r--r--include/hw/net/cadence_gem.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/include/hw/net/cadence_gem.h b/include/hw/net/cadence_gem.h
new file mode 100644
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+++ b/include/hw/net/cadence_gem.h
@@ -0,0 +1,73 @@
+/*
+ * QEMU Cadence GEM emulation
+ *
+ * Copyright (c) 2011 Xilinx, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef CADENCE_GEM_H
+
+#define TYPE_CADENCE_GEM "cadence_gem"
+#define CADENCE_GEM(obj) OBJECT_CHECK(CadenceGEMState, (obj), TYPE_CADENCE_GEM)
+
+#include "net/net.h"
+#include "hw/sysbus.h"
+
+#define CADENCE_GEM_MAXREG (0x00000640/4) /* Last valid GEM address */
+
+typedef struct CadenceGEMState {
+ /*< private >*/
+ SysBusDevice parent_obj;
+
+ /*< public >*/
+ MemoryRegion iomem;
+ NICState *nic;
+ NICConf conf;
+ qemu_irq irq;
+
+ /* GEM registers backing store */
+ uint32_t regs[CADENCE_GEM_MAXREG];
+ /* Mask of register bits which are write only */
+ uint32_t regs_wo[CADENCE_GEM_MAXREG];
+ /* Mask of register bits which are read only */
+ uint32_t regs_ro[CADENCE_GEM_MAXREG];
+ /* Mask of register bits which are clear on read */
+ uint32_t regs_rtc[CADENCE_GEM_MAXREG];
+ /* Mask of register bits which are write 1 to clear */
+ uint32_t regs_w1c[CADENCE_GEM_MAXREG];
+
+ /* PHY registers backing store */
+ uint16_t phy_regs[32];
+
+ uint8_t phy_loop; /* Are we in phy loopback? */
+
+ /* The current DMA descriptor pointers */
+ uint32_t rx_desc_addr;
+ uint32_t tx_desc_addr;
+
+ uint8_t can_rx_state; /* Debug only */
+
+ unsigned rx_desc[2];
+
+ bool sar_active[4];
+} CadenceGEMState;
+
+#define CADENCE_GEM_H
+#endif
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