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Subject[PATCH] Correct v850 support for RTE-NB85E-CB platform
Date
From
There was previously some vestigial support for this platform, but it
didn't actually work (or compile).

diff -ruN -X../cludes linux-2.5.64-moo.orig/arch/v850/kernel/Makefile linux-2.5.64-moo/arch/v850/kernel/Makefile
--- linux-2.5.64-moo.orig/arch/v850/kernel/Makefile 2003-02-12 11:26:18.000000000 +0900
+++ linux-2.5.64-moo/arch/v850/kernel/Makefile 2003-03-10 16:55:48.000000000 +0900
@@ -1,8 +1,8 @@
#
# arch/v850/kernel/Makefile
#
-# Copyright (C) 2001,02 NEC Corporation
-# Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
+# Copyright (C) 2001,02,03 NEC Electronics Corporation
+# Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
#
# 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
@@ -15,8 +15,9 @@
signal.o irq.o mach.o ptrace.o bug.o
obj-$(CONFIG_MODULES) += module.o v850_ksyms.o
# chip-specific code
-obj-$(CONFIG_V850E_MA1) += ma.o nb85e_utils.o nb85e_timer_d.o
obj-$(CONFIG_V850E_NB85E) += nb85e_intc.o
+obj-$(CONFIG_V850E_MA1) += ma.o nb85e_utils.o nb85e_timer_d.o
+obj-$(CONFIG_V850E_TEG) += teg.o nb85e_utils.o nb85e_timer_d.o
obj-$(CONFIG_V850E2_ANNA) += anna.o nb85e_intc.o nb85e_utils.o nb85e_timer_d.o
obj-$(CONFIG_V850E_AS85EP1) += as85ep1.o nb85e_intc.o nb85e_utils.o nb85e_timer_d.o
# platform-specific code
diff -ruN -X../cludes linux-2.5.64-moo.orig/arch/v850/kernel/gbus_int.c linux-2.5.64-moo/arch/v850/kernel/gbus_int.c
--- linux-2.5.64-moo.orig/arch/v850/kernel/gbus_int.c 2002-11-28 10:24:54.000000000 +0900
+++ linux-2.5.64-moo/arch/v850/kernel/gbus_int.c 2003-03-10 16:55:48.000000000 +0900
@@ -26,7 +26,9 @@
/* For each GINT interrupt, how many GBUS interrupts are using it. */
static unsigned gint_num_active_irqs[NUM_GINTS] = { 0 };

-/* A table of GINTn interrupts we actually use. */
+/* A table of GINTn interrupts we actually use.
+ Note that we don't use GINT0 because all the boards we support treat it
+ specially. */
struct used_gint {
unsigned gint;
unsigned priority;
diff -ruN -X../cludes linux-2.5.64-moo.orig/arch/v850/kernel/rte_cb_multi.c linux-2.5.64-moo/arch/v850/kernel/rte_cb_multi.c
--- linux-2.5.64-moo.orig/arch/v850/kernel/rte_cb_multi.c 2003-03-05 13:07:37.000000000 +0900
+++ linux-2.5.64-moo/arch/v850/kernel/rte_cb_multi.c 2003-03-10 16:55:48.000000000 +0900
@@ -16,22 +16,55 @@

#include <asm/machdep.h>

+#define IRQ_ADDR(irq) (0x80 + (irq) * 0x10)
+
/* A table of which interrupt vectors to install, since blindly
installing all of them makes the debugger stop working. This is a
list of offsets in the interrupt vector area; each entry means to
copy that particular 16-byte vector. An entry less than zero ends
the table. */
static long multi_intv_install_table[] = {
- 0x40, 0x50, /* trap vectors */
+ /* Trap vectors */
+ 0x40, 0x50,
+
#ifdef CONFIG_RTE_CB_MULTI_DBTRAP
- 0x60, /* illegal insn / dbtrap */
+ /* Illegal insn / dbtrap. These are used by multi, so only handle
+ them if configured to do so. */
+ 0x60,
+#endif
+
+ /* GINT1 - GINT3 (note, not GINT0!) */
+ IRQ_ADDR (IRQ_GINT(1)),
+ IRQ_ADDR (IRQ_GINT(2)),
+ IRQ_ADDR (IRQ_GINT(3)),
+
+ /* Timer D interrupts (up to 4 timers) */
+ IRQ_ADDR (IRQ_INTCMD(0)),
+#if IRQ_INTCMD_NUM > 1
+ IRQ_ADDR (IRQ_INTCMD(1)),
+#if IRQ_INTCMD_NUM > 2
+ IRQ_ADDR (IRQ_INTCMD(2)),
+#if IRQ_INTCMD_NUM > 3
+ IRQ_ADDR (IRQ_INTCMD(3)),
+#endif
#endif
- /* Note -- illegal insn trap is used by the debugger. */
- 0xD0, 0xE0, 0xF0, /* GINT1 - GINT3 */
- 0x240, 0x250, 0x260, 0x270, /* timer D interrupts */
- 0x2D0, 0x2E0, 0x2F0, /* UART channel 0 */
- 0x310, 0x320, 0x330, /* UART channel 1 */
- 0x350, 0x360, 0x370, /* UART channel 2 */
+#endif
+
+ /* UART interrupts (up to 3 channels) */
+ IRQ_ADDR (IRQ_INTSER (0)), /* err */
+ IRQ_ADDR (IRQ_INTSR (0)), /* rx */
+ IRQ_ADDR (IRQ_INTST (0)), /* tx */
+#if IRQ_INTSR_NUM > 1
+ IRQ_ADDR (IRQ_INTSER (1)), /* err */
+ IRQ_ADDR (IRQ_INTSR (1)), /* rx */
+ IRQ_ADDR (IRQ_INTST (1)), /* tx */
+#if IRQ_INTSR_NUM > 2
+ IRQ_ADDR (IRQ_INTSER (2)), /* err */
+ IRQ_ADDR (IRQ_INTSR (2)), /* rx */
+ IRQ_ADDR (IRQ_INTST (2)), /* tx */
+#endif
+#endif
+
-1
};

diff -ruN -X../cludes linux-2.5.64-moo.orig/arch/v850/kernel/rte_ma1_cb.c linux-2.5.64-moo/arch/v850/kernel/rte_ma1_cb.c
--- linux-2.5.64-moo.orig/arch/v850/kernel/rte_ma1_cb.c 2003-03-05 13:07:37.000000000 +0900
+++ linux-2.5.64-moo/arch/v850/kernel/rte_ma1_cb.c 2003-03-10 16:55:48.000000000 +0900
@@ -67,7 +67,7 @@
if (chan == 0) {
/* Put P42 & P43 in I/O port mode. */
MA_PORT4_PMC &= ~0xC;
- /* Make P42 and output, and P43 an input. */
+ /* Make P42 an output, and P43 an input. */
MA_PORT4_PM = (MA_PORT4_PM & ~0xC) | 0x8;
}

diff -ruN -X../cludes linux-2.5.64-moo.orig/arch/v850/kernel/rte_nb85e_cb.c linux-2.5.64-moo/arch/v850/kernel/rte_nb85e_cb.c
--- linux-2.5.64-moo.orig/arch/v850/kernel/rte_nb85e_cb.c 2002-11-05 11:25:22.000000000 +0900
+++ linux-2.5.64-moo/arch/v850/kernel/rte_nb85e_cb.c 2003-03-10 16:56:48.000000000 +0900
@@ -1,8 +1,8 @@
/*
* arch/v850/kernel/rte_nb85e_cb.c -- Midas labs RTE-V850E/NB85E-CB board
*
- * Copyright (C) 2001,02 NEC Corporation
- * Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
+ * Copyright (C) 2001,02,03 NEC Electronics Corporation
+ * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
*
* 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
@@ -29,7 +29,7 @@
void __init mach_get_physical_ram (unsigned long *ram_start,
unsigned long *ram_len)
{
- /* We just use SDRAM here; the kernel itself is in SRAM. */
+ /* We just use SDRAM here. */
*ram_start = SDRAM_ADDR;
*ram_len = SDRAM_SIZE;
}
@@ -41,8 +41,10 @@
u32 root_fs_image_end = (u32)&_root_fs_image_end;

/* Reserve the memory used by the root filesystem image if it's
- in RAM. */
- if (root_fs_image_start >= RAM_START && root_fs_image_start < RAM_END)
+ in SDRAM. */
+ if (root_fs_image_end > root_fs_image_start
+ && root_fs_image_start >= SDRAM_ADDR
+ && root_fs_image_start < (SDRAM_ADDR + SDRAM_SIZE))
reserve_bootmem (root_fs_image_start,
root_fs_image_end - root_fs_image_start);
}
@@ -52,3 +54,24 @@
tv->tv_sec = 0;
tv->tv_nsec = 0;
}
+
+/* Called before configuring an on-chip UART. */
+void rte_nb85e_cb_uart_pre_configure (unsigned chan,
+ unsigned cflags, unsigned baud)
+{
+ /* The RTE-NB85E-CB connects some general-purpose I/O pins on the
+ CPU to the RTS/CTS lines the UART's serial connection, as follows:
+ P00 = CTS (in), P01 = DSR (in), P02 = RTS (out), P03 = DTR (out). */
+
+ TEG_PORT0_PM = 0x03; /* P00 and P01 inputs, P02 and P03 outputs */
+ TEG_PORT0_IO = 0x03; /* Accept input */
+
+ /* Do pre-configuration for the actual UART. */
+ teg_uart_pre_configure (chan, cflags, baud);
+}
+
+void __init mach_init_irqs (void)
+{
+ teg_init_irqs ();
+ rte_cb_init_irqs ();
+}
diff -ruN -X../cludes linux-2.5.64-moo.orig/arch/v850/kernel/teg.c linux-2.5.64-moo/arch/v850/kernel/teg.c
--- linux-2.5.64-moo.orig/arch/v850/kernel/teg.c 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.5.64-moo/arch/v850/kernel/teg.c 2003-03-10 16:55:48.000000000 +0900
@@ -0,0 +1,63 @@
+/*
+ * arch/v850/kernel/teg.c -- NB85E-TEG cpu chip
+ *
+ * Copyright (C) 2001,02,03 NEC Electronics Corporation
+ * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
+ *
+ * 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.
+ *
+ * Written by Miles Bader <miles@gnu.org>
+ */
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/swap.h>
+#include <linux/bootmem.h>
+#include <linux/irq.h>
+
+#include <asm/atomic.h>
+#include <asm/page.h>
+#include <asm/machdep.h>
+#include <asm/nb85e_timer_d.h>
+
+#include "mach.h"
+
+void __init mach_sched_init (struct irqaction *timer_action)
+{
+ /* Select timer interrupt instead of external pin. */
+ TEG_ISS |= 0x1;
+ /* Start hardware timer. */
+ nb85e_timer_d_configure (0, HZ);
+ /* Install timer interrupt handler. */
+ setup_irq (IRQ_INTCMD(0), timer_action);
+}
+
+static struct nb85e_intc_irq_init irq_inits[] = {
+ { "IRQ", 0, NUM_CPU_IRQS, 1, 7 },
+ { "CMD", IRQ_INTCMD(0), IRQ_INTCMD_NUM, 1, 5 },
+ { "SER", IRQ_INTSER(0), IRQ_INTSER_NUM, 1, 3 },
+ { "SR", IRQ_INTSR(0), IRQ_INTSR_NUM, 1, 4 },
+ { "ST", IRQ_INTST(0), IRQ_INTST_NUM, 1, 5 },
+ { 0 }
+};
+#define NUM_IRQ_INITS ((sizeof irq_inits / sizeof irq_inits[0]) - 1)
+
+static struct hw_interrupt_type hw_itypes[NUM_IRQ_INITS];
+
+/* Initialize MA chip interrupts. */
+void __init teg_init_irqs (void)
+{
+ nb85e_intc_init_irq_types (irq_inits, hw_itypes);
+}
+
+/* Called before configuring an on-chip UART. */
+void teg_uart_pre_configure (unsigned chan, unsigned cflags, unsigned baud)
+{
+ /* Enable UART I/O pins instead of external interrupt pins, and
+ UART interrupts instead of external pin interrupts. */
+ TEG_ISS |= 0x4E;
+}
diff -ruN -X../cludes linux-2.5.64-moo.orig/arch/v850/rte_nb85e_cb-multi.ld linux-2.5.64-moo/arch/v850/rte_nb85e_cb-multi.ld
--- linux-2.5.64-moo.orig/arch/v850/rte_nb85e_cb-multi.ld 1970-01-01 09:00:00.000000000 +0900
+++ linux-2.5.64-moo/arch/v850/rte_nb85e_cb-multi.ld 2003-03-10 16:55:48.000000000 +0900
@@ -0,0 +1,57 @@
+/* Linker script for the Midas labs RTE-NB85E-CB evaluation board
+ (CONFIG_RTE_CB_NB85E), with kernel in SDRAM, under Multi debugger. */
+
+MEMORY {
+ /* 1MB of SRAM; we can't use the last 96KB, because it's used by
+ the monitor scratch-RAM. This memory is mirrored 4 times. */
+ SRAM : ORIGIN = 0x03C00000, LENGTH = 0x000E8000
+ /* Monitor scratch RAM; only the interrupt vectors should go here. */
+ MRAM : ORIGIN = 0x03CE8000, LENGTH = 0x00018000
+ /* 16MB of SDRAM. */
+ SDRAM : ORIGIN = 0x01000000, LENGTH = 0x01000000
+}
+
+#ifdef CONFIG_RTE_CB_NB85E_KSRAM
+# define KRAM SRAM
+#else
+# define KRAM SDRAM
+#endif
+
+SECTIONS {
+ /* We can't use RAMK_KRAM_CONTENTS because that puts the whole
+ kernel in a single ELF segment, and the Multi debugger (which
+ we use to load the kernel) appears to have bizarre problems
+ dealing with it. */
+
+ .text : {
+ __kram_start = . ;
+ TEXT_CONTENTS
+ } > KRAM
+
+ .data : {
+ DATA_CONTENTS
+ BSS_CONTENTS
+ RAMK_INIT_CONTENTS
+ __kram_end = . ;
+ BOOTMAP_CONTENTS
+
+ /* The address at which the interrupt vectors are initially
+ loaded by the loader. We can't load the interrupt vectors
+ directly into their target location, because the monitor
+ ROM for the GHS Multi debugger barfs if we try.
+ Unfortunately, Multi also doesn't deal correctly with ELF
+ sections where the LMA and VMA differ (it just ignores the
+ LMA), so we can't use that feature to work around the
+ problem! What we do instead is just put the interrupt
+ vectors into a normal section, and have the
+ `mach_early_init' function for Midas boards do the
+ necessary copying and relocation at runtime (this section
+ basically only contains `jr' instructions, so it's not
+ that hard). */
+ . = ALIGN (0x10) ;
+ __intv_load_start = . ;
+ INTV_CONTENTS
+ } > KRAM
+
+ .root ALIGN (4096) : { ROOT_FS_CONTENTS } > SDRAM
+}
diff -ruN -X../cludes linux-2.5.64-moo.orig/include/asm-v850/nb85e_timer_d.h linux-2.5.64-moo/include/asm-v850/nb85e_timer_d.h
--- linux-2.5.64-moo.orig/include/asm-v850/nb85e_timer_d.h 2002-11-05 11:25:32.000000000 +0900
+++ linux-2.5.64-moo/include/asm-v850/nb85e_timer_d.h 2003-03-10 16:55:48.000000000 +0900
@@ -2,8 +2,8 @@
* include/asm-v850/nb85e_timer_d.h -- `Timer D' component often used
* with the NB85E cpu core
*
- * Copyright (C) 2001,02 NEC Corporation
- * Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
+ * Copyright (C) 2001,02,03 NEC Electronics Corporation
+ * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
*
* 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
@@ -27,7 +27,7 @@

/* Count compare registers for timer D. */
#define NB85E_TIMER_D_CMD_ADDR(n) (NB85E_TIMER_D_CMD_BASE_ADDR + 0x10 * (n))
-#define NB85E_TIMER_D_CMD(n) (*(u16 *)NB85E_TIMER_D_CMD_ADDR(n))
+#define NB85E_TIMER_D_CMD(n) (*(volatile u16 *)NB85E_TIMER_D_CMD_ADDR(n))

/* Control registers for timer D. */
#define NB85E_TIMER_D_TMCD_ADDR(n) (NB85E_TIMER_D_TMCD_BASE_ADDR + 0x10 * (n))
diff -ruN -X../cludes linux-2.5.64-moo.orig/include/asm-v850/processor.h linux-2.5.64-moo/include/asm-v850/processor.h
--- linux-2.5.64-moo.orig/include/asm-v850/processor.h 2002-12-24 15:01:24.000000000 +0900
+++ linux-2.5.64-moo/include/asm-v850/processor.h 2003-03-10 16:55:48.000000000 +0900
@@ -1,8 +1,8 @@
/*
* include/asm-v850/processor.h
*
- * Copyright (C) 2001,02 NEC Corporation
- * Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
+ * Copyright (C) 2001,02,03 NEC Corporation
+ * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
*
* 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
@@ -88,15 +88,16 @@
{
}

-/* Return saved (kernel) PC of a blocked thread. */
-extern inline unsigned long thread_saved_pc (struct thread_struct *t)
-{
- struct pt_regs *r = (struct pt_regs *)(t->ksp + STATE_SAVE_PT_OFFSET);
- /* Actually, we return the LP register, because the thread is
- actually blocked in switch_thread, and we're interested in
- the PC it will _return_ to. */
- return r->gpr[GPR_LP];
-}
+
+/* Return the registers saved during context-switch by the currently
+ not-running thread T. Note that this only includes some registers!
+ See entry.S for details. */
+#define thread_saved_regs(t) ((struct pt_regs*)((t)->ksp + STATE_SAVE_PT_OFFSET))
+/* Return saved (kernel) PC of a blocked thread. Actually, we return the
+ LP register, because the thread is actually blocked in switch_thread,
+ and we're interested in the PC it will _return_ to. */
+#define thread_saved_pc(t) (thread_saved_regs(t)->gpr[GPR_LP])
+

unsigned long get_wchan (struct task_struct *p);

diff -ruN -X../cludes linux-2.5.64-moo.orig/include/asm-v850/rte_cb.h linux-2.5.64-moo/include/asm-v850/rte_cb.h
--- linux-2.5.64-moo.orig/include/asm-v850/rte_cb.h 2002-11-05 11:25:32.000000000 +0900
+++ linux-2.5.64-moo/include/asm-v850/rte_cb.h 2003-03-10 16:55:49.000000000 +0900
@@ -1,8 +1,8 @@
/*
* include/asm-v850/rte_cb.h -- Midas labs RTE-CB series of evaluation boards
*
- * Copyright (C) 2001,02 NEC Corporation
- * Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
+ * Copyright (C) 2001,02,03 NEC Corporation
+ * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
*
* 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
@@ -15,18 +15,6 @@
#define __V850_RTE_CB_H__


-/* CPU addresses of GBUS memory spaces. */
-#define GCS0_ADDR 0x05000000 /* GCS0 - Common SRAM (2MB) */
-#define GCS0_SIZE 0x00200000 /* 2MB */
-#define GCS1_ADDR 0x06000000 /* GCS1 - Flash ROM (8MB) */
-#define GCS1_SIZE 0x00800000 /* 8MB */
-#define GCS2_ADDR 0x07900000 /* GCS2 - I/O registers */
-#define GCS2_SIZE 0x00400000 /* 4MB */
-#define GCS5_ADDR 0x04000000 /* GCS5 - PCI bus space */
-#define GCS5_SIZE 0x01000000 /* 16MB */
-#define GCS6_ADDR 0x07980000 /* GCS6 - PCI control registers */
-#define GCS6_SIZE 0x00000200 /* 512B */
-
/* The SRAM on the Mother-A motherboard. */
#define MB_A_SRAM_ADDR GCS0_ADDR
#define MB_A_SRAM_SIZE 0x00200000 /* 2MB */
diff -ruN -X../cludes linux-2.5.64-moo.orig/include/asm-v850/rte_ma1_cb.h linux-2.5.64-moo/include/asm-v850/rte_ma1_cb.h
--- linux-2.5.64-moo.orig/include/asm-v850/rte_ma1_cb.h 2002-11-05 11:25:32.000000000 +0900
+++ linux-2.5.64-moo/include/asm-v850/rte_ma1_cb.h 2003-03-10 16:55:49.000000000 +0900
@@ -1,8 +1,8 @@
/*
* include/asm-v850/rte_ma1_cb.h -- Midas labs RTE-V850/MA1-CB board
*
- * Copyright (C) 2001,02 NEC Corporation
- * Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
+ * Copyright (C) 2001,02,03 NEC Electronics Corporation
+ * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
*
* 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
@@ -17,6 +17,19 @@
#include <asm/rte_cb.h> /* Common defs for Midas RTE-CB boards. */


+/* CPU addresses of GBUS memory spaces. */
+#define GCS0_ADDR 0x05000000 /* GCS0 - Common SRAM (2MB) */
+#define GCS0_SIZE 0x00200000 /* 2MB */
+#define GCS1_ADDR 0x06000000 /* GCS1 - Flash ROM (8MB) */
+#define GCS1_SIZE 0x00800000 /* 8MB */
+#define GCS2_ADDR 0x07900000 /* GCS2 - I/O registers */
+#define GCS2_SIZE 0x00400000 /* 4MB */
+#define GCS5_ADDR 0x04000000 /* GCS5 - PCI bus space */
+#define GCS5_SIZE 0x01000000 /* 16MB */
+#define GCS6_ADDR 0x07980000 /* GCS6 - PCI control registers */
+#define GCS6_SIZE 0x00000200 /* 512B */
+
+
/* The GBUS GINT0 - GINT4 interrupts are connected to the INTP000 - INTP011
pins on the CPU. These are shared among the GBUS interrupts. */
#define IRQ_GINT(n) IRQ_INTP(n)
diff -ruN -X../cludes linux-2.5.64-moo.orig/include/asm-v850/rte_nb85e_cb.h linux-2.5.64-moo/include/asm-v850/rte_nb85e_cb.h
--- linux-2.5.64-moo.orig/include/asm-v850/rte_nb85e_cb.h 2002-11-05 11:25:32.000000000 +0900
+++ linux-2.5.64-moo/include/asm-v850/rte_nb85e_cb.h 2003-03-10 16:55:49.000000000 +0900
@@ -1,8 +1,8 @@
/*
* include/asm-v850/rte_nb85e_cb.h -- Midas labs RTE-V850/NB85E-CB board
*
- * Copyright (C) 2001,02 NEC Corporation
- * Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
+ * Copyright (C) 2001,02,03 NEC Electronics Corporation
+ * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
*
* 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
@@ -16,6 +16,30 @@

#include <asm/rte_cb.h> /* Common defs for Midas RTE-CB boards. */

+
+/* CPU addresses of GBUS memory spaces. */
+#define GCS0_ADDR 0x00400000 /* GCS0 - Common SRAM (2MB) */
+#define GCS0_SIZE 0x00400000 /* 4MB */
+#define GCS1_ADDR 0x02000000 /* GCS1 - Flash ROM (8MB) */
+#define GCS1_SIZE 0x00800000 /* 8MB */
+#define GCS2_ADDR 0x03900000 /* GCS2 - I/O registers */
+#define GCS2_SIZE 0x00080000 /* 512KB */
+#define GCS3_ADDR 0x02800000 /* GCS3 - EXT-bus: memory space */
+#define GCS3_SIZE 0x00800000 /* 8MB */
+#define GCS4_ADDR 0x03A00000 /* GCS4 - EXT-bus: I/O space */
+#define GCS4_SIZE 0x00200000 /* 2MB */
+#define GCS5_ADDR 0x00800000 /* GCS5 - PCI bus space */
+#define GCS5_SIZE 0x00800000 /* 8MB */
+#define GCS6_ADDR 0x03980000 /* GCS6 - PCI control registers */
+#define GCS6_SIZE 0x00010000 /* 64KB */
+
+
+/* The GBUS GINT0 - GINT3 interrupts are connected to CPU interrupts 10-12.
+ These are shared among the GBUS interrupts. */
+#define IRQ_GINT(n) (10 + (n))
+#define IRQ_GINT_NUM 3
+
+
#define PLATFORM "rte-v850e/nb85e-cb"
#define PLATFORM_LONG "Midas lab RTE-V850E/NB85E-CB"

@@ -41,13 +65,13 @@

/* The chip's real interrupt vectors are in ROM, but they jump to a
secondary interrupt vector table in RAM. */
-#define INTV_BASE 0x004F8000
+#define INTV_BASE 0x03CF8000

/* Scratch memory used by the ROM monitor, which shouldn't be used by
linux (except for the alternate interrupt vector area, defined
above). */
#define MON_SCRATCH_ADDR 0x03CE8000
-#define MON_SCRATCH_SIZE 0x00008000 /* 32KB */
+#define MON_SCRATCH_SIZE 0x00018000 /* 96KB */

#endif /* CONFIG_ROM_KERNEL */

@@ -60,4 +84,25 @@
#define LED_NUM_DIGITS 4


+/* Override the basic TEG UART pre-initialization so that we can
+ initialize extra stuff. */
+#undef NB85E_UART_PRE_CONFIGURE /* should be defined by <asm/teg.h> */
+#define NB85E_UART_PRE_CONFIGURE rte_nb85e_cb_uart_pre_configure
+#ifndef __ASSEMBLY__
+extern void rte_nb85e_cb_uart_pre_configure (unsigned chan,
+ unsigned cflags, unsigned baud);
+#endif
+
+/* This board supports RTS/CTS for the on-chip UART. */
+
+/* CTS is pin P00. */
+#define NB85E_UART_CTS(chan) (! (TEG_PORT0_IO & 0x1))
+/* RTS is pin P02. */
+#define NB85E_UART_SET_RTS(chan, val) \
+ do { \
+ unsigned old = TEG_PORT0_IO; \
+ TEG_PORT0_IO = val ? (old & ~0x4) : (old | 0x4); \
+ } while (0)
+
+
#endif /* __V850_RTE_NB85E_CB_H__ */
diff -ruN -X../cludes linux-2.5.64-moo.orig/include/asm-v850/teg.h linux-2.5.64-moo/include/asm-v850/teg.h
--- linux-2.5.64-moo.orig/include/asm-v850/teg.h 2002-11-05 11:25:32.000000000 +0900
+++ linux-2.5.64-moo/include/asm-v850/teg.h 2003-03-10 16:55:49.000000000 +0900
@@ -1,8 +1,8 @@
/*
- * include/asm-v850/nb85e_teg.h -- NB85E-TEG cpu chip
+ * include/asm-v850/teg.h -- NB85E-TEG cpu chip
*
- * Copyright (C) 2001,02 NEC Corporation
- * Copyright (C) 2001,02 Miles Bader <miles@gnu.org>
+ * Copyright (C) 2001,02,03 NEC Electronics Corporation
+ * Copyright (C) 2001,02,03 Miles Bader <miles@gnu.org>
*
* 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
@@ -11,33 +11,43 @@
* Written by Miles Bader <miles@gnu.org>
*/

-#ifndef __V850_NB85E_TEG_H__
-#define __V850_NB85E_TEG_H__
+#ifndef __V850_TEG_H__
+#define __V850_TEG_H__

-/* The NB85E_TEG uses the NB85E cpu core. */
+
+/* The TEG uses the NB85E cpu core. */
#include <asm/nb85e.h>

-#define CHIP "v850e/nb85e-teg"
-#define CHIP_LONG "NEC V850E/NB85E TEG"

-/* Hardware-specific interrupt numbers (in the kernel IRQ namespace). */
-#define IRQ_INTOV(n) (n) /* 0-3 */
-#define IRQ_INTOV_NUM 4
-#define IRQ_INTCMD(n) (0x1c + (n)) /* interval timer interrupts 0-3 */
-#define IRQ_INTCMD_NUM 4
-#define IRQ_INTDMA(n) (0x20 + (n)) /* DMA interrupts 0-3 */
-#define IRQ_INTDMA_NUM 4
-#define IRQ_INTCSI(n) (0x24 + (n)) /* CSI 0-2 transmit/receive completion */
-#define IRQ_INTCSI_NUM 3
-#define IRQ_INTSER(n) (0x25 + (n)) /* UART 0-2 reception error */
-#define IRQ_INTSER_NUM 3
-#define IRQ_INTSR(n) (0x26 + (n)) /* UART 0-2 reception completion */
-#define IRQ_INTSR_NUM 3
-#define IRQ_INTST(n) (0x27 + (n)) /* UART 0-2 transmission completion */
-#define IRQ_INTST_NUM 3
+#define CPU_MODEL "v850e/nb85e-teg"
+#define CPU_MODEL_LONG "NEC V850E/NB85E TEG"
+
+
+/* For <asm/entry.h> */
+/* We use on-chip RAM, for a few miscellaneous variables that must be
+ accessible using a load instruction relative to R0. On the NB85E/TEG,
+ There's 60KB of iRAM starting at 0xFFFF0000, however we need the base
+ address to be addressable by a 16-bit signed offset, so we only use the
+ second half of it starting from 0xFFFF8000. */
+#define R0_RAM_ADDR 0xFFFF8000
+
+
+/* Hardware-specific interrupt numbers (in the kernel IRQ namespace).
+ Some of these are parameterized even though there's only a single
+ interrupt, for compatibility with some generic code that works on other
+ processor models. */
+#define IRQ_INTCMD(n) 6 /* interval timer interrupt */
+#define IRQ_INTCMD_NUM 1
+#define IRQ_INTSER(n) 16 /* UART reception error */
+#define IRQ_INTSER_NUM 1
+#define IRQ_INTSR(n) 17 /* UART reception completion */
+#define IRQ_INTSR_NUM 1
+#define IRQ_INTST(n) 18 /* UART transmission completion */
+#define IRQ_INTST_NUM 1

/* For <asm/irq.h> */
-#define NUM_MACH_IRQS 0x30
+#define NUM_CPU_IRQS 64
+

/* TEG UART details. */
#define NB85E_UART_BASE_ADDR(n) (0xFFFFF600 + 0x10 * (n))
@@ -50,9 +60,36 @@
#define NB85E_UART_RXB_ADDR(n) (NB85E_UART_BASE_ADDR(n) + 0xC)
#define NB85E_UART_NUM_CHANNELS 1
#define NB85E_UART_BASE_FREQ CPU_CLOCK_FREQ
+/* This is a function that gets called before configuring the UART. */
+#define NB85E_UART_PRE_CONFIGURE teg_uart_pre_configure
+#ifndef __ASSEMBLY__
+extern void teg_uart_pre_configure (unsigned chan,
+ unsigned cflags, unsigned baud);
+#endif
+

/* The TEG RTPU. */
#define NB85E_RTPU_BASE_ADDR 0xFFFFF210


-#endif /* __V850_NB85E_TEG_H__ */
+/* TEG series timer D details. */
+#define NB85E_TIMER_D_BASE_ADDR 0xFFFFF210
+#define NB85E_TIMER_D_TMCD_BASE_ADDR (NB85E_TIMER_D_BASE_ADDR + 0x0)
+#define NB85E_TIMER_D_TMD_BASE_ADDR (NB85E_TIMER_D_BASE_ADDR + 0x4)
+#define NB85E_TIMER_D_CMD_BASE_ADDR (NB85E_TIMER_D_BASE_ADDR + 0x8)
+#define NB85E_TIMER_D_BASE_FREQ CPU_CLOCK_FREQ
+
+
+/* `Interrupt Source Select' control register. */
+#define TEG_ISS_ADDR 0xFFFFF7FA
+#define TEG_ISS (*(volatile u8 *)TEG_ISS_ADDR)
+
+/* Port 0 I/O register (bits 0-3 used). */
+#define TEG_PORT0_IO_ADDR 0xFFFFF7F2
+#define TEG_PORT0_IO (*(volatile u8 *)TEG_PORT0_IO_ADDR)
+/* Port 0 control register (bits 0-3 control mode, 0 = output, 1 = input). */
+#define TEG_PORT0_PM_ADDR 0xFFFFF7F4
+#define TEG_PORT0_PM (*(volatile u8 *)TEG_PORT0_PM_ADDR)
+
+
+#endif /* __V850_TEG_H__ */
-
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