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| author | Dinh Nguyen <dinguyen@altera.com> | 2013-02-11 17:30:33 -0600 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-02-11 19:37:26 -0800 |
| commit | d6dd735f4bda19bfe07d96d9025c94c4619d4596 (patch) | |
| tree | c8c688aacf4c7315ed7af8ade6508f511ac28aab /arch/arm/mach-socfpga/socfpga.c | |
| parent | c08e20d246ded319fc77616c64dcbf69456cb4be (diff) | |
| download | op-kernel-dev-d6dd735f4bda19bfe07d96d9025c94c4619d4596.zip op-kernel-dev-d6dd735f4bda19bfe07d96d9025c94c4619d4596.tar.gz | |
arm: socfpga: Add SMP support for actual socfpga harware
Because the CPU1 start address is different for socfpga-vt and
socfpga-cyclone5, we add code to use the correct CPU1 start addr.
Signed-off-by: Dinh Nguyen <dinguyen@altera.com>
Signed-off-by: Pavel Machek <pavel@denx.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-socfpga/socfpga.c')
| -rw-r--r-- | arch/arm/mach-socfpga/socfpga.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c index 94aa6ad..cec1266 100644 --- a/arch/arm/mach-socfpga/socfpga.c +++ b/arch/arm/mach-socfpga/socfpga.c @@ -29,6 +29,7 @@ void __iomem *socfpga_scu_base_addr = ((void __iomem *)(SOCFPGA_SCU_VIRT_BASE)); void __iomem *sys_manager_base_addr; void __iomem *rst_manager_base_addr; +unsigned long cpu1start_addr; static struct map_desc scu_io_desc __initdata = { .virtual = SOCFPGA_SCU_VIRT_BASE, @@ -72,6 +73,11 @@ void __init socfpga_sysmgr_init(void) struct device_node *np; np = of_find_compatible_node(NULL, NULL, "altr,sys-mgr"); + + if (of_property_read_u32(np, "cpu1-start-addr", + (u32 *) &cpu1start_addr)) + pr_err("SMP: Need cpu1-start-addr in device tree.\n"); + sys_manager_base_addr = of_iomap(np, 0); np = of_find_compatible_node(NULL, NULL, "altr,rst-mgr"); |
