Initial commit: OpenHarmony-v4.0-ReleaseOpenHarmony-v4.0-Release

1 files changed, 124 insertions, 0 deletions

diff --git a/arch/mips/cobalt/setup.c b/arch/mips/cobalt/setup.c
new file mode 100644
index 000000000..46581e686
--- /dev/null
+++ b/arch/mips/cobalt/setup.c
@@ -0,0 +1,124 @@
+/*
+ * Setup pointers to hardware dependent routines.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1996, 1997, 2004, 05 by Ralf Baechle (ralf@linux-mips.org)
+ * Copyright (C) 2001, 2002, 2003 by Liam Davies (ldavies@agile.tv)
+ *
+ */
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/ioport.h>
+#include <linux/memblock.h>
+#include <linux/pm.h>
+
+#include <asm/bootinfo.h>
+#include <asm/reboot.h>
+#include <asm/setup.h>
+#include <asm/gt64120.h>
+
+#include <cobalt.h>
+
+extern void cobalt_machine_restart(char *command);
+extern void cobalt_machine_halt(void);
+
+const char *get_system_type(void)
+{
+        switch (cobalt_board_id) {
+                case COBALT_BRD_ID_QUBE1:
+                        return "Cobalt Qube";
+                case COBALT_BRD_ID_RAQ1:
+                        return "Cobalt RaQ";
+                case COBALT_BRD_ID_QUBE2:
+                        return "Cobalt Qube2";
+                case COBALT_BRD_ID_RAQ2:
+                        return "Cobalt RaQ2";
+        }
+        return "MIPS Cobalt";
+}
+
+/*
+ * Cobalt doesn't have PS/2 keyboard/mouse interfaces,
+ * keyboard controller is never used.
+ * Also PCI-ISA bridge DMA controller is never used.
+ */
+static struct resource cobalt_reserved_resources[] = {
+        {       /* dma1 */
+                .start  = 0x00,
+                .end    = 0x1f,
+                .name   = "reserved",
+                .flags  = IORESOURCE_BUSY | IORESOURCE_IO,
+        },
+        {       /* keyboard */
+                .start  = 0x60,
+                .end    = 0x6f,
+                .name   = "reserved",
+                .flags  = IORESOURCE_BUSY | IORESOURCE_IO,
+        },
+        {       /* dma page reg */
+                .start  = 0x80,
+                .end    = 0x8f,
+                .name   = "reserved",
+                .flags  = IORESOURCE_BUSY | IORESOURCE_IO,
+        },
+        {       /* dma2 */
+                .start  = 0xc0,
+                .end    = 0xdf,
+                .name   = "reserved",
+                .flags  = IORESOURCE_BUSY | IORESOURCE_IO,
+        },
+};
+
+void __init plat_mem_setup(void)
+{
+        int i;
+
+        _machine_restart = cobalt_machine_restart;
+        _machine_halt = cobalt_machine_halt;
+        pm_power_off = cobalt_machine_halt;
+
+        set_io_port_base(CKSEG1ADDR(GT_DEF_PCI0_IO_BASE));
+
+        /* I/O port resource */
+        ioport_resource.end = 0x01ffffff;
+
+        /* These resources have been reserved by VIA SuperI/O chip. */
+        for (i = 0; i < ARRAY_SIZE(cobalt_reserved_resources); i++)
+                request_resource(&ioport_resource, cobalt_reserved_resources + i);
+}
+
+/*
+ * Prom init. We read our one and only communication with the firmware.
+ * Grab the amount of installed memory.
+ * Better boot loaders (CoLo) pass a command line too :-)
+ */
+
+void __init prom_init(void)
+{
+        unsigned long memsz;
+        int argc, i;
+        char **argv;
+
+        memsz = fw_arg0 & 0x7fff0000;
+        argc = fw_arg0 & 0x0000ffff;
+        argv = (char **)fw_arg1;
+
+        for (i = 1; i < argc; i++) {
+                strlcat(arcs_cmdline, argv[i], COMMAND_LINE_SIZE);
+                if (i < (argc - 1))
+                        strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
+        }
+
+        memblock_add(0, memsz);
+
+        setup_8250_early_printk_port(CKSEG1ADDR(0x1c800000), 0, 0);
+}
+
+void __init prom_free_prom_memory(void)
+{
+        /* Nothing to do! */
+}