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[cgem] Add a driver for the Cadence GEM NIC

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Add a basic driver for the Cadence GEM network interface as emulated
by QEMU when using the RISC-V "sifive_u" machine type.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2025-04-19 11:54:08 +01:00
parent 0c482060d5
commit 1291dc39fd
4 changed files with 904 additions and 0 deletions
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3
src/include/ipxe/devtree.h
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@@ -10,11 +10,14 @@
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#include <ipxe/device.h>
#include <ipxe/dma.h>
/** A devicetree device */
struct dt_device {
/** Generic device */
struct device dev;
/** DMA device */
struct dma_device dma;
/** Device path */
const char *path;
/** Driver for this device */

1
src/include/ipxe/errfile.h
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@@ -232,6 +232,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#define ERRFILE_atl_hw ( ERRFILE_DRIVER | 0x00d80000 )
#define ERRFILE_atl2_hw ( ERRFILE_DRIVER | 0x00d90000 )
#define ERRFILE_devtree ( ERRFILE_DRIVER | 0x00da0000 )
#define ERRFILE_cgem ( ERRFILE_DRIVER | 0x00db0000 )
#define ERRFILE_aoe ( ERRFILE_NET | 0x00000000 )
#define ERRFILE_arp ( ERRFILE_NET | 0x00010000 )