Re: [PATCH]: linux-2.5.49-uc0 (MMU-less fix ups)

Miles Bader (miles@lsi.nec.co.jp)
25 Nov 2002 11:59:51 +0900


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v850 update for 2.5.49-uc0:

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Content-Type: text/x-patch
Content-Disposition: attachment;
filename=linux-2.5.49-uc0-v850-20021125-dist.patch
Content-Description: linux-2.5.49-uc0-v850-20021125-dist.patch

diff -ruN -X../cludes ../orig/linux-2.5.49-uc0/arch/v850/as85ep1.ld arch/v850/as85ep1.ld
--- ../orig/linux-2.5.49-uc0/arch/v850/as85ep1.ld 2002-11-25 10:34:43.000000000 +0900
+++ arch/v850/as85ep1.ld 2002-11-25 11:40:26.000000000 +0900
@@ -13,10 +13,11 @@
/* 1MB of static RAM. */
SRAM : ORIGIN = 0x00400000, LENGTH = 0x00100000

- /* 64MB of DRAM. This can actually be at one of two positions,
- determined by jump JP3; we use the second position because the
- first only allows access to 56MB. */
- SDRAM : ORIGIN = 0x04000000, LENGTH = 0x04000000
+ /* About 58MB of DRAM. This can actually be at one of two positions,
+ determined by jump JP3; we have to use the first position because the
+ second is partially out of processor instruction addressing range
+ (though in the second position there's actually 64MB available). */
+ SDRAM : ORIGIN = 0x00600000, LENGTH = 0x039F8000
}

SECTIONS {
@@ -138,6 +139,7 @@

/* Device contents for the root filesystem. */
.root : {
+ . = ALIGN (4096) ;
__root_fs_image_start = . ;
*(.root)
__root_fs_image_end = . ;
diff -ruN -X../cludes ../orig/linux-2.5.49-uc0/arch/v850/kernel/anna.c arch/v850/kernel/anna.c
--- ../orig/linux-2.5.49-uc0/arch/v850/kernel/anna.c 2002-11-25 10:34:43.000000000 +0900
+++ arch/v850/kernel/anna.c 2002-11-25 11:40:26.000000000 +0900
@@ -33,7 +33,7 @@
#define RAM_END (SDRAM_ADDR + SDRAM_SIZE)

/* The bits of this port are connected to an 8-LED bar-graph. */
-#define LEDS_PORT 4
+#define LEDS_PORT 0


static void anna_led_tick (void);
diff -ruN -X../cludes ../orig/linux-2.5.49-uc0/arch/v850/kernel/process.c arch/v850/kernel/process.c
--- ../orig/linux-2.5.49-uc0/arch/v850/kernel/process.c 2002-11-05 11:25:22.000000000 +0900
+++ arch/v850/kernel/process.c 2002-11-25 10:48:50.000000000 +0900
@@ -231,7 +231,7 @@
are in entry.S). */
int fork_common (int flags, unsigned long new_sp, struct pt_regs *regs)
{
- struct task_struct *p = do_fork (flags, new_sp, regs, 0, 0);
+ struct task_struct *p = do_fork (flags, new_sp, regs, 0, 0, 0);
return IS_ERR (p) ? PTR_ERR (p) : p->pid;
}

diff -ruN -X../cludes ../orig/linux-2.5.49-uc0/include/asm-v850/as85ep1.h include/asm-v850/as85ep1.h
--- ../orig/linux-2.5.49-uc0/include/asm-v850/as85ep1.h 2002-11-25 10:34:44.000000000 +0900
+++ include/asm-v850/as85ep1.h 2002-11-25 11:40:26.000000000 +0900
@@ -21,19 +21,19 @@
#define PLATFORM "AS85EP1"
#define PLATFORM_LONG "NEC V850E/AS85EP1 evaluation board"

-#define CPU_CLOCK_FREQ 100000000 /* 100MHz */
+#define CPU_CLOCK_FREQ 96000000 /* 96MHz */
#define SYS_CLOCK_FREQ CPU_CLOCK_FREQ


/* 1MB of static RAM. */
#define SRAM_ADDR 0x00400000
#define SRAM_SIZE 0x00100000 /* 1MB */
-/* 64MB of DRAM. This can actually be at one of two positions, determined
- by jump JP3; we use the second position because the first only allows
- access to 56MB. */
-#define SDRAM_ADDR 0x04000000
-#define SDRAM_SIZE 0x04000000 /* 64MB */
-
+/* About 58MB of DRAM. This can actually be at one of two positions,
+ determined by jump JP3; we have to use the first position because the
+ second is partially out of processor instruction addressing range
+ (though in the second position there's actually 64MB available). */
+#define SDRAM_ADDR 0x00600000
+#define SDRAM_SIZE 0x039F8000 /* approx 58MB */

/* For <asm/page.h> */
#define PAGE_OFFSET SRAM_ADDR
diff -ruN -X../cludes ../orig/linux-2.5.49-uc0/include/asm-v850/nb85e_uart.h include/asm-v850/nb85e_uart.h
--- ../orig/linux-2.5.49-uc0/include/asm-v850/nb85e_uart.h 2002-11-05 11:25:32.000000000 +0900
+++ include/asm-v850/nb85e_uart.h 2002-11-25 11:40:26.000000000 +0900
@@ -43,6 +43,9 @@
#define NB85E_UART_BRGC_ADDR(n) (NB85E_UART_BASE_ADDR(n) + 0x7)
#endif

+#ifndef NB85E_UART_CKSR_MAX_FREQ
+#define NB85E_UART_CKSR_MAX_FREQ (25*1000*1000)
+#endif

/* UART config registers. */
#define NB85E_UART_ASIM(n) (*(volatile u8 *)NB85E_UART_ASIM_ADDR(n))
@@ -81,7 +84,6 @@
/* UART baud-rate generator control registers. */
#define NB85E_UART_CKSR(n) (*(volatile u8 *)NB85E_UART_CKSR_ADDR(n))
#define NB85E_UART_CKSR_MAX 11
-#define NB85E_UART_CKSR_MAX_FREQ (25*1000*1000)
#define NB85E_UART_BRGC(n) (*(volatile u8 *)NB85E_UART_BRGC_ADDR(n))


--=-=-=

Thanks,

-Miles

-- 
[|nurgle|]  ddt- demonic? so quake will have an evil kinda setting? one that 
            will  make every christian in the world foamm at the mouth? 
[iddt]      nurg, that's the goal 

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