aboutsummaryrefslogtreecommitdiff
path: root/arch/sh64/mach-romram/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/sh64/mach-romram/setup.c')
-rw-r--r--arch/sh64/mach-romram/setup.c142
1 files changed, 142 insertions, 0 deletions
diff --git a/arch/sh64/mach-romram/setup.c b/arch/sh64/mach-romram/setup.c
new file mode 100644
index 000000000000..a9ba03fc5bed
--- /dev/null
+++ b/arch/sh64/mach-romram/setup.c
@@ -0,0 +1,142 @@
+/*
+ * 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.
+ *
+ * arch/sh64/mach-romram/setup.c
+ *
+ * SH-5 ROM/RAM Platform Support
+ *
+ * This file handles the architecture-dependent parts of initialization
+ *
+ * Copyright (C) 2000, 2001 Paolo Alberelli
+ *
+ * benedict.gaster@superh.com: 3rd May 2002
+ * Added support for ramdisk, removing statically linked romfs at the same time. *
+ *
+ * lethal@linux-sh.org: 15th May 2003
+ * Use the generic procfs cpuinfo interface, just return a valid board name.
+ *
+ * Sean.McGoogan@superh.com 17th Feb 2004
+ * copied from arch/sh64/mach-harp/setup.c
+ */
+
+#include <linux/stddef.h>
+#include <linux/init.h>
+#include <linux/config.h>
+#include <linux/mm.h>
+#include <linux/bootmem.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <asm/processor.h>
+#include <asm/platform.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/page.h>
+
+#define RES_COUNT(res) ((sizeof((res))/sizeof(struct resource)))
+
+/*
+ * Platform Dependent Interrupt Priorities.
+ */
+
+/* Using defaults defined in irq.h */
+#define RES NO_PRIORITY /* Disabled */
+#define IR0 IRL0_PRIORITY /* IRLs */
+#define IR1 IRL1_PRIORITY
+#define IR2 IRL2_PRIORITY
+#define IR3 IRL3_PRIORITY
+#define PCA INTA_PRIORITY /* PCI Ints */
+#define PCB INTB_PRIORITY
+#define PCC INTC_PRIORITY
+#define PCD INTD_PRIORITY
+#define SER TOP_PRIORITY
+#define ERR TOP_PRIORITY
+#define PW0 TOP_PRIORITY
+#define PW1 TOP_PRIORITY
+#define PW2 TOP_PRIORITY
+#define PW3 TOP_PRIORITY
+#define DM0 NO_PRIORITY /* DMA Ints */
+#define DM1 NO_PRIORITY
+#define DM2 NO_PRIORITY
+#define DM3 NO_PRIORITY
+#define DAE NO_PRIORITY
+#define TU0 TIMER_PRIORITY /* TMU Ints */
+#define TU1 NO_PRIORITY
+#define TU2 NO_PRIORITY
+#define TI2 NO_PRIORITY
+#define ATI NO_PRIORITY /* RTC Ints */
+#define PRI NO_PRIORITY
+#define CUI RTC_PRIORITY
+#define ERI SCIF_PRIORITY /* SCIF Ints */
+#define RXI SCIF_PRIORITY
+#define BRI SCIF_PRIORITY
+#define TXI SCIF_PRIORITY
+#define ITI TOP_PRIORITY /* WDT Ints */
+
+/*
+ * Platform dependent structures: maps and parms block.
+ */
+struct resource io_resources[] = {
+ /* To be updated with external devices */
+};
+
+struct resource kram_resources[] = {
+ { "Kernel code", 0, 0 }, /* These must be last in the array */
+ { "Kernel data", 0, 0 } /* These must be last in the array */
+};
+
+struct resource xram_resources[] = {
+ /* To be updated with external devices */
+};
+
+struct resource rom_resources[] = {
+ /* To be updated with external devices */
+};
+
+struct sh64_platform platform_parms = {
+ .readonly_rootfs = 1,
+ .initial_root_dev = 0x0100,
+ .loader_type = 1,
+ .io_res_p = io_resources,
+ .io_res_count = RES_COUNT(io_resources),
+ .kram_res_p = kram_resources,
+ .kram_res_count = RES_COUNT(kram_resources),
+ .xram_res_p = xram_resources,
+ .xram_res_count = RES_COUNT(xram_resources),
+ .rom_res_p = rom_resources,
+ .rom_res_count = RES_COUNT(rom_resources),
+};
+
+int platform_int_priority[NR_INTC_IRQS] = {
+ IR0, IR1, IR2, IR3, PCA, PCB, PCC, PCD, /* IRQ 0- 7 */
+ RES, RES, RES, RES, SER, ERR, PW3, PW2, /* IRQ 8-15 */
+ PW1, PW0, DM0, DM1, DM2, DM3, DAE, RES, /* IRQ 16-23 */
+ RES, RES, RES, RES, RES, RES, RES, RES, /* IRQ 24-31 */
+ TU0, TU1, TU2, TI2, ATI, PRI, CUI, ERI, /* IRQ 32-39 */
+ RXI, BRI, TXI, RES, RES, RES, RES, RES, /* IRQ 40-47 */
+ RES, RES, RES, RES, RES, RES, RES, RES, /* IRQ 48-55 */
+ RES, RES, RES, RES, RES, RES, RES, ITI, /* IRQ 56-63 */
+};
+
+void __init platform_setup(void)
+{
+ /* ROM/RAM platform leaves the decision to head.S, for now */
+ platform_parms.fpu_flags = fpu_in_use;
+}
+
+void __init platform_monitor(void)
+{
+ /* Nothing yet .. */
+}
+
+void __init platform_reserve(void)
+{
+ /* Nothing yet .. */
+}
+
+const char *get_system_type(void)
+{
+ return "ROM/RAM";
+}
+