From fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 Mon Sep 17 00:00:00 2001
From: Jonathan Herman <hermanjl@cs.unc.edu>
Date: Tue, 22 Jan 2013 10:38:37 -0500
Subject: Added missing tegra files.

---
 arch/mips/nxp/pnx8550/common/setup.c | 143 +++++++++++++++++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 arch/mips/nxp/pnx8550/common/setup.c

(limited to 'arch/mips/nxp/pnx8550/common/setup.c')

diff --git a/arch/mips/nxp/pnx8550/common/setup.c b/arch/mips/nxp/pnx8550/common/setup.c
new file mode 100644
index 00000000000..71adac32332
--- /dev/null
+++ b/arch/mips/nxp/pnx8550/common/setup.c
@@ -0,0 +1,143 @@
+/*
+ *
+ * 2.6 port, Embedded Alley Solutions, Inc
+ *
+ *  Based on Per Hallsmark, per.hallsmark@mvista.com
+ *
+ *  This program is free software; you can distribute it and/or modify it
+ *  under the terms of the GNU General Public License (Version 2) as
+ *  published by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/irq.h>
+#include <linux/mm.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/serial_pnx8xxx.h>
+#include <linux/pm.h>
+
+#include <asm/cpu.h>
+#include <asm/bootinfo.h>
+#include <asm/irq.h>
+#include <asm/mipsregs.h>
+#include <asm/reboot.h>
+#include <asm/pgtable.h>
+#include <asm/time.h>
+
+#include <glb.h>
+#include <int.h>
+#include <pci.h>
+#include <uart.h>
+#include <nand.h>
+
+extern void __init board_setup(void);
+extern void pnx8550_machine_restart(char *);
+extern void pnx8550_machine_halt(void);
+extern void pnx8550_machine_power_off(void);
+extern struct resource ioport_resource;
+extern struct resource iomem_resource;
+extern char *prom_getcmdline(void);
+
+struct resource standard_io_resources[] = {
+	{
+		.start	= 0x00,
+		.end	= 0x1f,
+		.name	= "dma1",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x40,
+		.end	= 0x5f,
+		.name	= "timer",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0x80,
+		.end	= 0x8f,
+		.name	= "dma page reg",
+		.flags	= IORESOURCE_BUSY
+	}, {
+		.start	= 0xc0,
+		.end	= 0xdf,
+		.name	= "dma2",
+		.flags	= IORESOURCE_BUSY
+	},
+};
+
+#define STANDARD_IO_RESOURCES ARRAY_SIZE(standard_io_resources)
+
+extern struct resource pci_io_resource;
+extern struct resource pci_mem_resource;
+
+/* Return the total size of DRAM-memory, (RANK0 + RANK1) */
+unsigned long get_system_mem_size(void)
+{
+	/* Read IP2031_RANK0_ADDR_LO */
+	unsigned long dram_r0_lo = inl(PCI_BASE | 0x65010);
+	/* Read IP2031_RANK1_ADDR_HI */
+	unsigned long dram_r1_hi = inl(PCI_BASE | 0x65018);
+
+	return dram_r1_hi - dram_r0_lo + 1;
+}
+
+int pnx8550_console_port = -1;
+
+void __init plat_mem_setup(void)
+{
+	int i;
+	char* argptr;
+
+	board_setup();  /* board specific setup */
+
+        _machine_restart = pnx8550_machine_restart;
+        _machine_halt = pnx8550_machine_halt;
+        pm_power_off = pnx8550_machine_power_off;
+
+	/* Clear the Global 2 Register, PCI Inta Output Enable Registers
+	   Bit 1:Enable DAC Powerdown
+	  -> 0:DACs are enabled and are working normally
+	     1:DACs are powerdown
+	   Bit 0:Enable of PCI inta output
+	  -> 0 = Disable PCI inta output
+	     1 = Enable PCI inta output
+	*/
+	PNX8550_GLB2_ENAB_INTA_O = 0;
+
+	/* IO/MEM resources. */
+	set_io_port_base(PNX8550_PORT_BASE);
+	ioport_resource.start = 0;
+	ioport_resource.end = ~0;
+	iomem_resource.start = 0;
+	iomem_resource.end = ~0;
+
+	/* Request I/O space for devices on this board */
+	for (i = 0; i < STANDARD_IO_RESOURCES; i++)
+		request_resource(&ioport_resource, standard_io_resources + i);
+
+	/* Place the Mode Control bit for GPIO pin 16 in primary function */
+	/* Pin 16 is used by UART1, UA1_TX                                */
+	outl((PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_16_BIT) |
+			(PNX8550_GPIO_MODE_PRIMOP << PNX8550_GPIO_MC_17_BIT),
+			PNX8550_GPIO_MC1);
+
+	argptr = prom_getcmdline();
+	if ((argptr = strstr(argptr, "console=ttyS")) != NULL) {
+		argptr += strlen("console=ttyS");
+		pnx8550_console_port = *argptr == '0' ? 0 : 1;
+
+		/* We must initialize the UART (console) before early printk */
+		/* Set LCR to 8-bit and BAUD to 38400 (no 5)                */
+		ip3106_lcr(UART_BASE, pnx8550_console_port) =
+			PNX8XXX_UART_LCR_8BIT;
+		ip3106_baud(UART_BASE, pnx8550_console_port) = 5;
+	}
+}
-- 
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