linux-kernel - [PATCH v2 1/2] ARM: ep93xx: Register ts73xx-fpga manager driver for TS-7300

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Message-Id: <20161214022845.5692-2-f.fainelli@gmail.com>
Date:   Tue, 13 Dec 2016 18:28:44 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-arm-kernel@...ts.infradead.org, moritz.fischer@...us.com,
        atull@...nsource.altera.com, linux@...linux.org.uk,
        rmallon@...il.com, hsweeten@...ionengravers.com,
        linxu-fpga@...r.kernel.org, Florian Fainelli <f.fainelli@...il.com>
Subject: [PATCH v2 1/2] ARM: ep93xx: Register ts73xx-fpga manager driver for TS-7300

Register the TS-7300 FPGA manager device drivers which allows us to load
bitstreams into the on-board Altera Cyclone II FPGA.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 arch/arm/mach-ep93xx/ts72xx.c | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 3b39ea353d30..acf72ea670ef 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -230,6 +230,28 @@ static struct ep93xx_eth_data __initdata ts72xx_eth_data = {
 	.phy_id		= 1,
 };
 
+#if IS_ENABLED(CONFIG_FPGA_MGR_TS73XX)
+
+/* Relative to EP93XX_CS1_PHYS_BASE */
+#define TS73XX_FPGA_LOADER_BASE		0x03c00000
+
+static struct resource ts73xx_fpga_resources[] = {
+	{
+		.start	= EP93XX_CS1_PHYS_BASE + TS73XX_FPGA_LOADER_BASE,
+		.end	= EP93XX_CS1_PHYS_BASE + TS73XX_FPGA_LOADER_BASE + 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device ts73xx_fpga_device = {
+	.name	= "ts73xx-fpga-mgr",
+	.id	= -1,
+	.resource = ts73xx_fpga_resources,
+	.num_resources = ARRAY_SIZE(ts73xx_fpga_resources),
+};
+
+#endif
+
 static void __init ts72xx_init_machine(void)
 {
 	ep93xx_init_devices();
@@ -238,6 +260,10 @@ static void __init ts72xx_init_machine(void)
 	platform_device_register(&ts72xx_wdt_device);
 
 	ep93xx_register_eth(&ts72xx_eth_data, 1);
+#if IS_ENABLED(CONFIG_FPGA_MGR_TS73XX)
+	if (board_is_ts7300())
+		platform_device_register(&ts73xx_fpga_device);
+#endif
 }
 
 MACHINE_START(TS72XX, "Technologic Systems TS-72xx SBC")
-- 
2.9.3