[Feature] add GA346 baseline version
Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/arch/arm/mach-footbridge/dma.c b/src/kernel/linux/v4.19/arch/arm/mach-footbridge/dma.c
new file mode 100644
index 0000000..8661807
--- /dev/null
+++ b/src/kernel/linux/v4.19/arch/arm/mach-footbridge/dma.c
@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * linux/arch/arm/kernel/dma-ebsa285.c
+ *
+ * Copyright (C) 1998 Phil Blundell
+ *
+ * DMA functions specific to EBSA-285/CATS architectures
+ *
+ * Changelog:
+ * 09-Nov-1998 RMK Split out ISA DMA functions to dma-isa.c
+ * 17-Mar-1999 RMK Allow any EBSA285-like architecture to have
+ * ISA DMA controllers.
+ */
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/spinlock.h>
+#include <linux/scatterlist.h>
+
+#include <asm/dma.h>
+
+#include <asm/mach/dma.h>
+#include <asm/hardware/dec21285.h>
+
+#if 0
+static int fb_dma_request(unsigned int chan, dma_t *dma)
+{
+ return -EINVAL;
+}
+
+static void fb_dma_enable(unsigned int chan, dma_t *dma)
+{
+}
+
+static void fb_dma_disable(unsigned int chan, dma_t *dma)
+{
+}
+
+static struct dma_ops fb_dma_ops = {
+ .type = "fb",
+ .request = fb_dma_request,
+ .enable = fb_dma_enable,
+ .disable = fb_dma_disable,
+};
+#endif
+
+static int __init fb_dma_init(void)
+{
+#if 0
+ dma[_DC21285_DMA(0)].d_ops = &fb_dma_ops;
+ dma[_DC21285_DMA(1)].d_ops = &fb_dma_ops;
+#endif
+#ifdef CONFIG_ISA_DMA
+ if (footbridge_cfn_mode())
+ isa_init_dma();
+#endif
+ return 0;
+}
+core_initcall(fb_dma_init);