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-rw-r--r--arch/arm/mach-shmobile/clock-r8a73a4.c15
-rw-r--r--arch/arm/mach-shmobile/setup-r8a73a4.c43
2 files changed, 57 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/clock-r8a73a4.c b/arch/arm/mach-shmobile/clock-r8a73a4.c
index 15d479dbb13..037713bdff3 100644
--- a/arch/arm/mach-shmobile/clock-r8a73a4.c
+++ b/arch/arm/mach-shmobile/clock-r8a73a4.c
@@ -28,6 +28,7 @@
#define CPG_LEN 0x270
#define MPCKCR 0xe6150080
+#define SMSTPCR2 0xe6150138
static struct clk_mapping cpg_mapping = {
.phys = CPG_BASE,
@@ -55,11 +56,23 @@ static struct clk *main_clks[] = {
&extal2_clk,
};
-enum { MSTP_NR };
+enum { MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, MSTP_NR };
static struct clk mstp_clks[MSTP_NR] = {
+ [MSTP204] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 4, 0), /* SCIFA0 */
+ [MSTP203] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 3, 0), /* SCIFA1 */
+ [MSTP206] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 6, 0), /* SCIFB0 */
+ [MSTP207] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 7, 0), /* SCIFB1 */
+ [MSTP216] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 16, 0), /* SCIFB2 */
+ [MSTP217] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 17, 0), /* SCIFB3 */
};
static struct clk_lookup lookups[] = {
+ CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP204]),
+ CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP203]),
+ CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP206]),
+ CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]),
+ CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]),
+ CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP217]),
};
void __init r8a73a4_clock_init(void)
diff --git a/arch/arm/mach-shmobile/setup-r8a73a4.c b/arch/arm/mach-shmobile/setup-r8a73a4.c
index 69156bce76f..746a3dc4474 100644
--- a/arch/arm/mach-shmobile/setup-r8a73a4.c
+++ b/arch/arm/mach-shmobile/setup-r8a73a4.c
@@ -21,13 +21,56 @@
#include <linux/irqchip.h>
#include <linux/kernel.h>
#include <linux/of_platform.h>
+#include <linux/serial_sci.h>
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/r8a73a4.h>
#include <asm/mach/arch.h>
+#define SCIF_COMMON(scif_type, baseaddr, irq) \
+ .type = scif_type, \
+ .mapbase = baseaddr, \
+ .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \
+ .scbrr_algo_id = SCBRR_ALGO_4, \
+ .irqs = SCIx_IRQ_MUXED(irq)
+
+#define SCIFA_DATA(index, baseaddr, irq) \
+[index] = { \
+ SCIF_COMMON(PORT_SCIFA, baseaddr, irq), \
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE0, \
+}
+
+#define SCIFB_DATA(index, baseaddr, irq) \
+[index] = { \
+ SCIF_COMMON(PORT_SCIFB, baseaddr, irq), \
+ .scscr = SCSCR_RE | SCSCR_TE, \
+}
+
+enum { SCIFA0, SCIFA1, SCIFB0, SCIFB1, SCIFB2, SCIFB3 };
+
+static const struct plat_sci_port scif[] = {
+ SCIFA_DATA(SCIFA0, 0xe6c40000, gic_spi(144)), /* SCIFA0 */
+ SCIFA_DATA(SCIFA1, 0xe6c50000, gic_spi(145)), /* SCIFA1 */
+ SCIFB_DATA(SCIFB0, 0xe6c50000, gic_spi(145)), /* SCIFB0 */
+ SCIFB_DATA(SCIFB1, 0xe6c30000, gic_spi(149)), /* SCIFB1 */
+ SCIFB_DATA(SCIFB2, 0xe6ce0000, gic_spi(150)), /* SCIFB2 */
+ SCIFB_DATA(SCIFB3, 0xe6cf0000, gic_spi(151)), /* SCIFB3 */
+};
+
+static inline void r8a73a4_register_scif(int idx)
+{
+ platform_device_register_data(&platform_bus, "sh-sci", idx, &scif[idx],
+ sizeof(struct plat_sci_port));
+}
+
void __init r8a73a4_add_standard_devices(void)
{
+ r8a73a4_register_scif(SCIFA0);
+ r8a73a4_register_scif(SCIFA1);
+ r8a73a4_register_scif(SCIFB0);
+ r8a73a4_register_scif(SCIFB1);
+ r8a73a4_register_scif(SCIFB2);
+ r8a73a4_register_scif(SCIFB3);
}
#ifdef CONFIG_USE_OF