dde_ipxe: enable BCM57cxx cards

Add tg3 driver files and adjust Genode's ipxe code. Tested on Fiasco.OC only.

issue #1609

repos/dde_ipxe/lib/mk/dde_ipxe_nic.inc

@@ -12,6 +12,7 @@ SRC_C += $(addprefix drivers/bus/, pciextra.c)
 SRC_C += $(addprefix drivers/bitbash/, bitbash.c spi_bit.c)
 SRC_C += $(addprefix drivers/nvs/, nvs.c threewire.c)
 SRC_C += $(addprefix drivers/net/, pcnet32.c intel.c eepro100.c realtek.c mii.c)
+SRC_C += $(addprefix drivers/net/tg3/, tg3.c tg3_hw.c tg3_phy.c)
 
 INC_DIR += $(LIB_DIR)/include
 

repos/dde_ipxe/patches/tg3.patch

@@ -0,0 +1,13 @@
+diff --git a/src/drivers/net/tg3/tg3.c b/src/drivers/net/tg3/tg3.c
+index 32ca160..85dcc56 100644
+--- a/src/drivers/net/tg3/tg3.c
++++ b/src/drivers/net/tg3/tg3.c
+@@ -772,7 +772,7 @@ static int tg3_init_one(struct pci_device *pdev)
+ 	tp->regs = ioremap(reg_base, reg_size);
+ 	if (!tp->regs) {
+ 		DBGC(&pdev->dev, "Failed to remap device registers\n");
+-		errno = -ENOENT;
++		//errno = -ENOENT;
+ 		goto err_out_disable_pdev;
+ 	}
+ 

repos/dde_ipxe/ports/dde_ipxe.hash

@@ -1 +1 @@
-dd11e6a750e68271c2e7d293e9c1d272f7bc78e0
+eff35e8421342189782bdf285801a13fdaa751ec

repos/dde_ipxe/ports/dde_ipxe.port

@@ -7,7 +7,9 @@ REV(ipxe) := c4bce43c3c4d3c5ebb2d926b58ad16dc9642c19d
 DIR(ipxe) := src/lib/dde_ipxe
 
 PATCHES   := patches/dde_ipxe.patch \
-             patches/add_devices.patch
+             patches/add_devices.patch \
+             patches/tg3.patch
+
 PATCH_OPT := -p1 -d ${DIR(ipxe)}
 
 # vi: set ft=make :

repos/dde_ipxe/src/lib/dde_ipxe/dde_support.cc

@@ -39,9 +39,6 @@
 #include <dde_support.h>
 
 
-//using namespace Genode;
-
-
 /****************
  ** Migriation **
  ****************/
@@ -79,10 +76,9 @@ extern "C" void dde_udelay(unsigned long usecs)
 {
 	/*
 	 * This function is called only once during rdtsc calibration (usecs will be
-	 * 10000, see dde.c 'udelay'. We do not use DDE timers here, since Genode's
-	 * timer connection is the most precise one around.
+	 * 10000, see dde.c 'udelay'.
 	 */
-	Timer::Connection timer;
+	static Timer::Connection timer;
 	timer.usleep(usecs);
 }
 
@@ -311,31 +307,28 @@ extern "C" int dde_interrupt_attach(void(*handler)(void *), void *priv)
 }
 
 
-
-
 /***************************************************
  ** Support for aligned and DMA memory allocation **
  ***************************************************/
 
 enum { BACKING_STORE_SIZE = 1024 * 1024 };
 
+struct Backing_store
+{
+	Genode::Allocator_avl _avl{Genode::env()->heap()};
+	Backing_store(){
+		Genode::addr_t base = pci_drv().alloc_dma_memory(BACKING_STORE_SIZE);
+		/* add to allocator */
+		_avl.add_range(base, BACKING_STORE_SIZE);
+	}
+};
+
 
 static Genode::Allocator_avl& allocator()
 {
-	static Genode::Allocator_avl _avl(Genode::env()->heap());
-	return _avl;
-}
+	static Backing_store _instance;
+	return _instance._avl;
 
-
-extern "C" int dde_dma_mem_init()
-{
-	try {
-		Genode::addr_t base = pci_drv().alloc_dma_memory(BACKING_STORE_SIZE);
-		/* add to allocator */
-		allocator().add_range(base, BACKING_STORE_SIZE);
-	} catch (...) { return false; }
-
-	return true;
 }
 
 
@@ -414,7 +407,7 @@ struct Slab_backend_alloc : public Genode::Allocator,
                             public Genode::Rm_connection
 {
 	enum {
-		VM_SIZE    = 512 * 1024,
+		VM_SIZE    = 1024 * 1024,
 		BLOCK_SIZE =  64 * 1024,
 		ELEMENTS   = VM_SIZE / BLOCK_SIZE,
 	};
@@ -516,7 +509,7 @@ struct Slab
 {
 	enum {
 		SLAB_START_LOG2 = 5,  /* 32 B */
-		SLAB_STOP_LOG2  = 10, /* 1 KiB */
+		SLAB_STOP_LOG2  = 13, /* 8 KiB */
 		NUM_SLABS = (SLAB_STOP_LOG2 - SLAB_START_LOG2) + 1,
 	};
 

repos/dde_ipxe/src/lib/dde_ipxe/include/dde_support.h

@@ -53,8 +53,6 @@ void dde_printf(const char *fmt, ...);
  ** Support for aligned and DMA memory allocation **
  ***************************************************/
 
-int dde_dma_mem_init();
-
 void *dde_dma_alloc(dde_size_t size, dde_size_t align, dde_size_t offset);
 void  dde_dma_free(void *p, dde_size_t size);
 

repos/dde_ipxe/src/lib/dde_ipxe/nic.c

@@ -40,7 +40,9 @@ extern struct pci_driver
 	realtek_driver,
 	ifec_driver,
 	intel_driver,
-	pcnet32_driver;
+	pcnet32_driver,
+	tg3_pci_driver;
+
 
 /**
  * Driver database (used for probing)PCI_BASE_CLASS_NETWORK
@@ -49,7 +51,8 @@ static struct pci_driver *pci_drivers[] = {
 	&realtek_driver,
 	&ifec_driver,
 	&intel_driver,
-	&pcnet32_driver
+	&pcnet32_driver,
+	&tg3_pci_driver
 };
 
 /**
@@ -303,12 +306,6 @@ int dde_ipxe_nic_init(void *ep)
 	/* find iPXE NIC device */
 	net_dev = find_netdev_by_location(BUS_TYPE_PCI, location);
 
-	/* initialize DMA memory backend allocator for nic driver */
-	if (!dde_dma_mem_init()) {
-		LOG("initialization of block memory failed!");
-		return 0;
-	}
-
 	/* open iPXE NIC device */
 	if (netdev_open(net_dev)) {
 		LOG("opening device " FMT_BUSDEVFN " failed",