This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / arch / mips / philips / pnx8550 / common / setup.c

diff --git a/arch/mips/philips/pnx8550/common/setup.c b/arch/mips/philips/pnx8550/common/setup.c
new file mode 100644 (file)
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+++ b/arch/mips/philips/pnx8550/common/setup.c
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+/*
+ *
+ * 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/config.h>
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/mm.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/serial_ip3106.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 prom_printf(char *fmt, ...);
+
+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 void (*board_time_init)(void);
+extern void pnx8550_time_init(void);
+extern void (*board_timer_setup)(struct irqaction *irq);
+extern void pnx8550_timer_setup(struct irqaction *irq);
+extern void rs_kgdb_hook(int tty_no);
+extern void prom_printf(char *fmt, ...);
+extern char *prom_getcmdline(void);
+
+struct resource standard_io_resources[] = {
+       {"dma1", 0x00, 0x1f, IORESOURCE_BUSY},
+       {"timer", 0x40, 0x5f, IORESOURCE_BUSY},
+       {"dma page reg", 0x80, 0x8f, IORESOURCE_BUSY},
+       {"dma2", 0xc0, 0xdf, IORESOURCE_BUSY},
+};
+
+#define STANDARD_IO_RESOURCES (sizeof(standard_io_resources)/sizeof(struct resource))
+
+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_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;
+
+       board_time_init = pnx8550_time_init;
+       board_timer_setup = pnx8550_timer_setup;
+
+       /* 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(KSEG1);
+       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 prom_printf */
+               /* Set LCR to 8-bit and BAUD to 38400 (no 5)                */
+               ip3106_lcr(UART_BASE, pnx8550_console_port) =
+                       IP3106_UART_LCR_8BIT;
+               ip3106_baud(UART_BASE, pnx8550_console_port) = 5;
+       }
+
+#ifdef CONFIG_KGDB
+       argptr = prom_getcmdline();
+       if ((argptr = strstr(argptr, "kgdb=ttyS")) != NULL) {
+               int line;
+               argptr += strlen("kgdb=ttyS");
+               line = *argptr == '0' ? 0 : 1;
+               rs_kgdb_hook(line);
+               prom_printf("KGDB: Using ttyS%i for session, "
+                               "please connect your debugger\n", line ? 1 : 0);
+       }
+#endif
+       return;
+}