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

[linux-2.6.git] / arch / ppc / platforms / lite5200.c

diff --git a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c
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+/*
+ * arch/ppc/platforms/lite5200.c
+ *
+ * Platform support file for the Freescale LITE5200 based on MPC52xx.
+ * A maximum of this file should be moved to syslib/mpc52xx_?????
+ * so that new platform based on MPC52xx need a minimal platform file
+ * ( avoid code duplication )
+ *
+ * 
+ * Maintainer : Sylvain Munaut <tnt@246tNt.com>
+ *
+ * Based on the 2.4 code written by Kent Borg,
+ * Dale Farnsworth <dale.farnsworth@mvista.com> and
+ * Wolfgang Denk <wd@denx.de>
+ * 
+ * Copyright 2004 Sylvain Munaut <tnt@246tNt.com>
+ * Copyright 2003 Motorola Inc.
+ * Copyright 2003 MontaVista Software Inc.
+ * Copyright 2003 DENX Software Engineering (wd@denx.de)
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/config.h>
+#include <linux/initrd.h>
+#include <linux/seq_file.h>
+#include <linux/kdev_t.h>
+#include <linux/root_dev.h>
+#include <linux/console.h>
+
+#include <asm/bootinfo.h>
+#include <asm/io.h>
+#include <asm/ocp.h>
+#include <asm/mpc52xx.h>
+
+
+/* Board data given by U-Boot */
+bd_t __res;
+EXPORT_SYMBOL(__res);  /* For modules */
+
+
+/* ======================================================================== */
+/* OCP device definition                                                    */
+/* For board/shared resources like PSCs                                     */
+/* ======================================================================== */
+/* Be sure not to load conficting devices : e.g. loading the UART drivers for
+ * PSC1 and then also loading a AC97 for this same PSC.
+ * For details about how to create an entry, look in the doc of the concerned
+ * driver ( eg drivers/serial/mpc52xx_uart.c for the PSC in uart mode )
+ */
+
+struct ocp_def board_ocp[] = {
+       {
+               .vendor         = OCP_VENDOR_FREESCALE,
+               .function       = OCP_FUNC_PSC_UART,
+               .index          = 0,
+               .paddr          = MPC52xx_PSC1,
+               .irq            = MPC52xx_PSC1_IRQ,
+               .pm             = OCP_CPM_NA,
+       },
+       {       /* Terminating entry */
+               .vendor         = OCP_VENDOR_INVALID
+       }
+};
+       
+
+/* ======================================================================== */
+/* Platform specific code                                                   */
+/* ======================================================================== */
+
+static int
+icecube_show_cpuinfo(struct seq_file *m)
+{
+       seq_printf(m, "machine\t\t: Freescale LITE5200\n");
+       return 0;
+}
+
+static void __init
+icecube_setup_arch(void)
+{
+
+       /* Add board OCP definitions */
+       mpc52xx_add_board_devices(board_ocp);
+}
+
+void __init
+platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+              unsigned long r6, unsigned long r7)
+{
+       /* Generic MPC52xx platform initialization */
+       /* TODO Create one and move a max of stuff in it.
+          Put this init in the syslib */
+
+       struct bi_record *bootinfo = find_bootinfo();
+
+       if (bootinfo)
+               parse_bootinfo(bootinfo);
+       else {
+               /* Load the bd_t board info structure */
+               if (r3)
+                       memcpy((void*)&__res,(void*)(r3+KERNELBASE),
+                                       sizeof(bd_t));
+
+#ifdef CONFIG_BLK_DEV_INITRD
+               /* Load the initrd */
+               if (r4) {
+                       initrd_start = r4 + KERNELBASE;
+                       initrd_end = r5 + KERNELBASE;
+               }
+#endif
+       
+               /* Load the command line */
+               if (r6) {
+                       *(char *)(r7+KERNELBASE) = 0;
+                       strcpy(cmd_line, (char *)(r6+KERNELBASE));
+               }
+       }
+
+       /* BAT setup */
+       mpc52xx_set_bat();
+       
+       /* No ISA bus AFAIK */
+       isa_io_base             = 0;
+       isa_mem_base            = 0;
+
+       /* Setup the ppc_md struct */
+       ppc_md.setup_arch       = icecube_setup_arch;
+       ppc_md.show_cpuinfo     = icecube_show_cpuinfo;
+       ppc_md.show_percpuinfo  = NULL;
+       ppc_md.init_IRQ         = mpc52xx_init_irq;
+       ppc_md.get_irq          = mpc52xx_get_irq;
+
+       ppc_md.find_end_of_memory = mpc52xx_find_end_of_memory;
+       ppc_md.setup_io_mappings  = mpc52xx_map_io;
+
+       ppc_md.restart          = mpc52xx_restart;
+       ppc_md.power_off        = mpc52xx_power_off;
+       ppc_md.halt             = mpc52xx_halt;
+       
+               /* No time keeper on the IceCube */
+       ppc_md.time_init        = NULL;
+       ppc_md.get_rtc_time     = NULL;
+       ppc_md.set_rtc_time     = NULL;
+       
+       ppc_md.calibrate_decr   = mpc52xx_calibrate_decr;
+#ifdef CONFIG_SERIAL_TEXT_DEBUG
+       ppc_md.progress         = mpc52xx_progress;
+#endif
+}
+