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MN10300: And Panasonic AM34 subarch and implement SMP

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Implement the Panasonic MN10300 AM34 CPU subarch and implement SMP support for
MN10300.  Also implement support for the MN2WS0060 processor and the ASB2364
evaluation board which are AM34 based.

Signed-off-by: Akira Takeuchi <takeuchi.akr@jp.panasonic.com>
Signed-off-by: Kiyoshi Owada <owada.kiyoshi@jp.panasonic.com>
Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
Akira Takeuchi
2010-10-27 17:28:55 +01:00
committed by David Howells
parent 04157a6e7d
commit 368dd5acd1
80 changed files with 4500 additions and 487 deletions
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arch/mn10300/proc-mn103e010/include/proc/clock.h
-2
View File
@@ -13,6 +13,4 @@
#include <unit/clock.h>
#define MN10300_WDCLK MN10300_IOCLK
#endif /* _ASM_PROC_CLOCK_H */
arch/mn10300/proc-mn103e010/include/proc/intctl-regs.h
+29
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@@ -0,0 +1,29 @@
#ifndef _ASM_PROC_INTCTL_REGS_H
#define _ASM_PROC_INTCTL_REGS_H
#ifndef _ASM_INTCTL_REGS_H
# error "please don't include this file directly"
#endif
/* intr acceptance group reg */
#define IAGR __SYSREG(0xd4000100, u16)
/* group number register */
#define IAGR_GN 0x00fc
#define __GET_XIRQ_TRIGGER(X, Z) (((Z) >> ((X) * 2)) & 3)
#define __SET_XIRQ_TRIGGER(X, Y, Z) \
({ \
typeof(Z) x = (Z); \
x &= ~(3 << ((X) * 2)); \
x |= ((Y) & 3) << ((X) * 2); \
(Z) = x; \
})
/* external pin intr spec reg */
#define EXTMD __SYSREG(0xd4000200, u16)
#define GET_XIRQ_TRIGGER(X) __GET_XIRQ_TRIGGER(X, EXTMD)
#define SET_XIRQ_TRIGGER(X, Y) __SET_XIRQ_TRIGGER(X, Y, EXTMD)
#endif /* _ASM_PROC_INTCTL_REGS_H */
arch/mn10300/proc-mn103e010/proc-init.c
+35
View File
@@ -11,6 +11,7 @@
#include <linux/kernel.h>
#include <asm/fpu.h>
#include <asm/rtc.h>
#include <asm/busctl-regs.h>
/*
* initialise the on-silicon processor peripherals
@@ -75,3 +76,37 @@ asmlinkage void __init processor_init(void)
calibrate_clock();
}
/*
* determine the memory size and base from the memory controller regs
*/
void __init get_mem_info(unsigned long *mem_base, unsigned long *mem_size)
{
unsigned long base, size;
*mem_base = 0;
*mem_size = 0;
base = SDBASE(0);
if (base & SDBASE_CE) {
size = (base & SDBASE_CBAM) << SDBASE_CBAM_SHIFT;
size = ~size + 1;
base &= SDBASE_CBA;
printk(KERN_INFO "SDRAM[0]: %luMb @%08lx\n", size >> 20, base);
*mem_size += size;
*mem_base = base;
}
base = SDBASE(1);
if (base & SDBASE_CE) {
size = (base & SDBASE_CBAM) << SDBASE_CBAM_SHIFT;
size = ~size + 1;
base &= SDBASE_CBA;
printk(KERN_INFO "SDRAM[1]: %luMb @%08lx\n", size >> 20, base);
*mem_size += size;
if (*mem_base == 0)
*mem_base = base;
}
}