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alistair23-linux
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sh: Initial multiple-node support for SH-X3. 

Wire up CPU#0 URAM as node 1 on SH-X3.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
hifive-unleashed-5.1
Paul Mundt 2007-08-01 17:52:47 +09:00
parent 1ee010087e
commit 7da3b8ef66
2 changed files with 17 additions and 0 deletions
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14
arch/sh/kernel/cpu/sh4a/setup-shx3.c
View File

@ -255,3 +255,17 @@ void __init plat_irq_setup(void)
{
register_intc_controller(&intc_desc);
}
void __init plat_mem_setup(void)
{
/* Register CPU#0 URAM space as Node 1 */
setup_bootmem_node(1, 0x145f0000, 0x14610000); /* CPU0 */
#if 0
/* XXX: Not yet.. */
setup_bootmem_node(2, 0x14df0000, 0x14e10000); /* CPU1 */
setup_bootmem_node(3, 0x155f0000, 0x15610000); /* CPU2 */
setup_bootmem_node(4, 0x15df0000, 0x15e10000); /* CPU3 */
setup_bootmem_node(5, 0x16000000, 0x16020000); /* CSM */
#endif
}

3
arch/sh/mm/Kconfig
View File

@ -198,6 +198,8 @@ config CPU_SUBTYPE_SHX3
select CPU_SH4A
select CPU_SHX3
select CPU_HAS_INTC_IRQ
select ARCH_SPARSEMEM_ENABLE
select SYS_SUPPORTS_NUMA
# SH4AL-DSP Processor Support
@ -323,6 +325,7 @@ config ARCH_SPARSEMEM_DEFAULT
config MAX_ACTIVE_REGIONS
int
default "6" if (CPU_SUBTYPE_SHX3 && SPARSEMEM)
default "2" if (CPU_SUBTYPE_SH7722 && SPARSEMEM)
default "1"