diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2013-10-02 08:33:36 (GMT) |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-10-08 01:02:22 (GMT) |
| commit | 90357fcbf2fcb9e50899fd3b2a91a6dc3cfe5ea5 (patch) | |
| tree | d44ed89d215fec3de58ce14df3c307e2e42c0111 | |
| parent | b6d5a1b1c3476225e897a2f706c0e7eca7b05984 (diff) | |
| download | linux-fsl-qoriq-90357fcbf2fcb9e50899fd3b2a91a6dc3cfe5ea5.tar.xz | |
ARM: shmobile: bockw: add SMSC support on reference
This patch enables INTC IRQ, and SMSC IRQ.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
| -rw-r--r-- | arch/arm/mach-shmobile/board-bockw-reference.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/board-bockw-reference.c b/arch/arm/mach-shmobile/board-bockw-reference.c index 1a7c893..ae88fda 100644 --- a/arch/arm/mach-shmobile/board-bockw-reference.c +++ b/arch/arm/mach-shmobile/board-bockw-reference.c @@ -36,15 +36,35 @@ static const struct pinctrl_map bockw_pinctrl_map[] = { "scif0_ctrl", "scif0"), }; +#define FPGA 0x18200000 +#define IRQ0MR 0x30 +#define COMCTLR 0x101c static void __init bockw_init(void) { + static void __iomem *fpga; + r8a7778_clock_init(); + r8a7778_init_irq_extpin_dt(1); pinctrl_register_mappings(bockw_pinctrl_map, ARRAY_SIZE(bockw_pinctrl_map)); r8a7778_pinmux_init(); r8a7778_add_dt_devices(); + fpga = ioremap_nocache(FPGA, SZ_1M); + if (fpga) { + /* + * CAUTION + * + * IRQ0/1 is cascaded interrupt from FPGA. + * it should be cared in the future + * Now, it is assuming IRQ0 was used only from SMSC. + */ + u16 val = ioread16(fpga + IRQ0MR); + val &= ~(1 << 4); /* enable SMSC911x */ + iowrite16(val, fpga + IRQ0MR); + } + of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); } |