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From: Bin Meng <bmeng.cn@gmail.com>
To: "Alistair Francis" <Alistair.Francis@wdc.com>,
	"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
	"Palmer Dabbelt" <palmerdabbelt@google.com>,
	qemu-devel@nongnu.org, qemu-riscv@nongnu.org
Cc: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>,
	Bin Meng <bin.meng@windriver.com>,
	Palmer Dabbelt <palmer@dabbelt.com>,
	Sagar Karandikar <sagark@eecs.berkeley.edu>
Subject: [PATCH v3 13/16] hw/riscv: microchip_pfsoc: Connect 2 Cadence GEMs
Date: Tue,  1 Sep 2020 09:39:08 +0800	[thread overview]
Message-ID: <1598924352-89526-14-git-send-email-bmeng.cn@gmail.com> (raw)
In-Reply-To: <1598924352-89526-1-git-send-email-bmeng.cn@gmail.com>

From: Bin Meng <bin.meng@windriver.com>

Microchip PolarFire SoC integrates 2 Candence GEMs to provide
IEEE 802.3 standard-compliant 10/100/1000 Mbps ethernet interface.

On the Icicle Kit board, GEM0 connects to a PHY at address 8 while
GEM1 connects to a PHY at address 9.

The 2nd stage bootloader (U-Boot) is using GEM1 by default, so we
must specify 2 '-nic' options from the command line in order to get
a working ethernet.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
---

(no changes since v1)

 include/hw/riscv/microchip_pfsoc.h |  7 +++++++
 hw/riscv/microchip_pfsoc.c         | 39 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 46 insertions(+)

diff --git a/include/hw/riscv/microchip_pfsoc.h b/include/hw/riscv/microchip_pfsoc.h
index 63e7860..6d20853 100644
--- a/include/hw/riscv/microchip_pfsoc.h
+++ b/include/hw/riscv/microchip_pfsoc.h
@@ -24,6 +24,7 @@
 
 #include "hw/char/mchp_pfsoc_mmuart.h"
 #include "hw/dma/sifive_pdma.h"
+#include "hw/net/cadence_gem.h"
 #include "hw/sd/cadence_sdhci.h"
 
 typedef struct MicrochipPFSoCState {
@@ -42,6 +43,8 @@ typedef struct MicrochipPFSoCState {
     MchpPfSoCMMUartState *serial3;
     MchpPfSoCMMUartState *serial4;
     SiFivePDMAState dma;
+    CadenceGEMState gem0;
+    CadenceGEMState gem1;
     CadenceSDHCIState sdhci;
 } MicrochipPFSoCState;
 
@@ -84,6 +87,8 @@ enum {
     MICROCHIP_PFSOC_MMUART2,
     MICROCHIP_PFSOC_MMUART3,
     MICROCHIP_PFSOC_MMUART4,
+    MICROCHIP_PFSOC_GEM0,
+    MICROCHIP_PFSOC_GEM1,
     MICROCHIP_PFSOC_ENVM_CFG,
     MICROCHIP_PFSOC_ENVM_DATA,
     MICROCHIP_PFSOC_IOSCB_CFG,
@@ -99,6 +104,8 @@ enum {
     MICROCHIP_PFSOC_DMA_IRQ5 = 10,
     MICROCHIP_PFSOC_DMA_IRQ6 = 11,
     MICROCHIP_PFSOC_DMA_IRQ7 = 12,
+    MICROCHIP_PFSOC_GEM0_IRQ = 64,
+    MICROCHIP_PFSOC_GEM1_IRQ = 70,
     MICROCHIP_PFSOC_EMMC_SD_IRQ = 88,
     MICROCHIP_PFSOC_MMUART0_IRQ = 90,
     MICROCHIP_PFSOC_MMUART1_IRQ = 91,
diff --git a/hw/riscv/microchip_pfsoc.c b/hw/riscv/microchip_pfsoc.c
index d8ec973..7f25609 100644
--- a/hw/riscv/microchip_pfsoc.c
+++ b/hw/riscv/microchip_pfsoc.c
@@ -14,6 +14,7 @@
  * 3) MMUARTs (Multi-Mode UART)
  * 4) Cadence eMMC/SDHC controller and an SD card connected to it
  * 5) SiFive Platform DMA (Direct Memory Access Controller)
+ * 6) GEM (Gigabit Ethernet MAC Controller)
  *
  * This board currently generates devicetree dynamically that indicates at least
  * two harts and up to five harts.
@@ -59,6 +60,9 @@
 #define BIOS_FILENAME   "hss.bin"
 #define RESET_VECTOR    0x20220000
 
+/* GEM version */
+#define GEM_REVISION    0x0107010c
+
 static const struct MemmapEntry {
     hwaddr base;
     hwaddr size;
@@ -83,6 +87,8 @@ static const struct MemmapEntry {
     [MICROCHIP_PFSOC_MMUART2] =         { 0x20102000,     0x1000 },
     [MICROCHIP_PFSOC_MMUART3] =         { 0x20104000,     0x1000 },
     [MICROCHIP_PFSOC_MMUART4] =         { 0x20106000,     0x1000 },
+    [MICROCHIP_PFSOC_GEM0] =            { 0x20110000,     0x2000 },
+    [MICROCHIP_PFSOC_GEM1] =            { 0x20112000,     0x2000 },
     [MICROCHIP_PFSOC_ENVM_CFG] =        { 0x20200000,     0x1000 },
     [MICROCHIP_PFSOC_ENVM_DATA] =       { 0x20220000,    0x20000 },
     [MICROCHIP_PFSOC_IOSCB_CFG] =       { 0x37080000,     0x1000 },
@@ -119,6 +125,9 @@ static void microchip_pfsoc_soc_instance_init(Object *obj)
     object_initialize_child(obj, "dma-controller", &s->dma,
                             TYPE_SIFIVE_PDMA);
 
+    object_initialize_child(obj, "gem0", &s->gem0, TYPE_CADENCE_GEM);
+    object_initialize_child(obj, "gem1", &s->gem1, TYPE_CADENCE_GEM);
+
     object_initialize_child(obj, "sd-controller", &s->sdhci,
                             TYPE_CADENCE_SDHCI);
 }
@@ -134,6 +143,7 @@ static void microchip_pfsoc_soc_realize(DeviceState *dev, Error **errp)
     MemoryRegion *envm_data = g_new(MemoryRegion, 1);
     char *plic_hart_config;
     size_t plic_hart_config_len;
+    NICInfo *nd;
     int i;
 
     sysbus_realize(SYS_BUS_DEVICE(&s->e_cpus), &error_abort);
@@ -272,6 +282,35 @@ static void microchip_pfsoc_soc_realize(DeviceState *dev, Error **errp)
         qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_MMUART4_IRQ),
         serial_hd(4));
 
+    /* GEMs */
+
+    nd = &nd_table[0];
+    if (nd->used) {
+        qemu_check_nic_model(nd, TYPE_CADENCE_GEM);
+        qdev_set_nic_properties(DEVICE(&s->gem0), nd);
+    }
+    nd = &nd_table[1];
+    if (nd->used) {
+        qemu_check_nic_model(nd, TYPE_CADENCE_GEM);
+        qdev_set_nic_properties(DEVICE(&s->gem1), nd);
+    }
+
+    object_property_set_int(OBJECT(&s->gem0), "revision", GEM_REVISION, errp);
+    object_property_set_int(OBJECT(&s->gem0), "phy-addr", 8, errp);
+    sysbus_realize(SYS_BUS_DEVICE(&s->gem0), errp);
+    sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem0), 0,
+                    memmap[MICROCHIP_PFSOC_GEM0].base);
+    sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem0), 0,
+        qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_GEM0_IRQ));
+
+    object_property_set_int(OBJECT(&s->gem1), "revision", GEM_REVISION, errp);
+    object_property_set_int(OBJECT(&s->gem1), "phy-addr", 9, errp);
+    sysbus_realize(SYS_BUS_DEVICE(&s->gem1), errp);
+    sysbus_mmio_map(SYS_BUS_DEVICE(&s->gem1), 0,
+                    memmap[MICROCHIP_PFSOC_GEM1].base);
+    sysbus_connect_irq(SYS_BUS_DEVICE(&s->gem1), 0,
+        qdev_get_gpio_in(DEVICE(s->plic), MICROCHIP_PFSOC_GEM1_IRQ));
+
     /* eNVM */
     memory_region_init_rom(envm_data, OBJECT(dev), "microchip.pfsoc.envm.data",
                            memmap[MICROCHIP_PFSOC_ENVM_DATA].size,
-- 
2.7.4



  parent reply	other threads:[~2020-09-01  1:44 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-01  1:38 [PATCH v3 00/16] hw/riscv: Add Microchip PolarFire SoC Icicle Kit board support Bin Meng
2020-09-01  1:38 ` [PATCH v3 01/16] target/riscv: cpu: Add a new 'resetvec' property Bin Meng
2020-09-01  9:36   ` Philippe Mathieu-Daudé
2020-09-01  1:38 ` [PATCH v3 02/16] hw/riscv: hart: " Bin Meng
2020-09-01  9:37   ` Philippe Mathieu-Daudé
2020-09-01  1:38 ` [PATCH v3 03/16] target/riscv: cpu: Set reset vector based on the configured property value Bin Meng
2020-09-01  9:37   ` Philippe Mathieu-Daudé
2020-09-01  1:38 ` [PATCH v3 04/16] hw/riscv: Initial support for Microchip PolarFire SoC Icicle Kit board Bin Meng
2020-09-01  1:39 ` [PATCH v3 05/16] hw/char: Add Microchip PolarFire SoC MMUART emulation Bin Meng
2020-09-04 17:47   ` Alistair Francis
2020-09-01  1:39 ` [PATCH v3 06/16] hw/riscv: microchip_pfsoc: Connect 5 MMUARTs Bin Meng
2020-09-01  1:39 ` [PATCH v3 07/16] hw/sd: Add Cadence SDHCI emulation Bin Meng
2020-09-04 19:30   ` Alistair Francis
2020-09-01  1:39 ` [PATCH v3 08/16] hw/riscv: microchip_pfsoc: Connect a Cadence SDHCI controller and an SD card Bin Meng
2020-09-01  9:42   ` Philippe Mathieu-Daudé
2020-09-01 10:27     ` Bin Meng
2020-09-01 17:56       ` Philippe Mathieu-Daudé
2020-09-04 19:08   ` Alistair Francis
2020-09-01  1:39 ` [PATCH v3 09/16] hw/dma: Add SiFive platform DMA controller emulation Bin Meng
2020-09-04 20:25   ` Alistair Francis
2020-09-01  1:39 ` [PATCH v3 10/16] hw/riscv: microchip_pfsoc: Connect a DMA controller Bin Meng
2020-09-04 19:33   ` Alistair Francis
2020-09-01  1:39 ` [PATCH v3 11/16] hw/net: cadence_gem: Add a new 'phy-addr' property Bin Meng
2020-09-01  9:43   ` Philippe Mathieu-Daudé
2020-09-02 10:45   ` Edgar E. Iglesias
2020-09-04 19:34   ` Alistair Francis
2020-09-01  1:39 ` [PATCH v3 12/16] hw/arm: xlnx: Set all boards' GEM 'phy-addr' property value to 23 Bin Meng
2020-09-01  9:45   ` Philippe Mathieu-Daudé
2020-09-02  0:16   ` Alistair Francis
2020-09-01  1:39 ` Bin Meng [this message]
2020-09-01  9:46   ` [PATCH v3 13/16] hw/riscv: microchip_pfsoc: Connect 2 Cadence GEMs Philippe Mathieu-Daudé
2020-09-01  1:39 ` [PATCH v3 14/16] hw/riscv: microchip_pfsoc: Hook GPIO controllers Bin Meng
2020-09-01  9:47   ` Philippe Mathieu-Daudé
2020-09-01  1:39 ` [PATCH v3 15/16] hw/riscv: clint: Avoid using hard-coded timebase frequency Bin Meng
2020-09-01  9:49   ` Philippe Mathieu-Daudé
2020-09-01  1:39 ` [PATCH v3 16/16] hw/riscv: sifive_u: Connect a DMA controller Bin Meng
2020-09-04 19:36   ` Alistair Francis
2020-09-04 20:29 ` [PATCH v3 00/16] hw/riscv: Add Microchip PolarFire SoC Icicle Kit board support Alistair Francis
2020-09-06  1:08 ` Leif Lindholm
2020-09-07 10:24   ` Bin Meng
2020-09-07 17:27     ` Leif Lindholm
2020-09-08  1:15       ` Bin Meng

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