Spresense smp
* arch: arm: Add ARCH_GLOBAL_IRQDISABLE to ARCH_CHIP_CXD56XX in Kconfig
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
* arch: arm: cxd56xx: Make fpuconfg() public in cxd56_start.c
NOTE: fpuconfig() is called in both cxd56_start.c and cxd56_cpustart.c
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
* arch: arm: cxd56xx: Add support for SMP
NOTE: To run cxd56xx in SMP mode, new boot loader which will be
released later must be used.
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
* arch: arm: cxd56xx: Add irq routing for SMP in cxd56_irq.c
NOTE: In cxd56xx, each external interrupt controller can be
accessed from a local APP_DSP (Cortex-M4F) only. This commit
supports IRQ routing for SMP by calling up_send_irqreq() in
both up_enable_irq() and up_disable_irq().
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
* boards: spresense: Add smp configuration
Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
Approved-by: Gregory Nutt <gnutt@nuttx.org>
