diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-shmobile/clock-r8a7790.c | 34 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7790.c | 55 |
2 files changed, 88 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/clock-r8a7790.c b/arch/arm/mach-shmobile/clock-r8a7790.c index 6869798effa..bad9bf2e34d 100644 --- a/arch/arm/mach-shmobile/clock-r8a7790.c +++ b/arch/arm/mach-shmobile/clock-r8a7790.c @@ -27,19 +27,51 @@ #define CPG_BASE 0xe6150000 #define CPG_LEN 0x1000 +#define SMSTPCR2 0xe6150138 +#define SMSTPCR7 0xe615014c + static struct clk_mapping cpg_mapping = { .phys = CPG_BASE, .len = CPG_LEN, }; +static struct clk p_clk = { + .rate = 65000000, /* shortcut for now */ + .mapping = &cpg_mapping, +}; + +static struct clk mp_clk = { + .rate = 52000000, /* shortcut for now */ + .mapping = &cpg_mapping, +}; + static struct clk *main_clks[] = { + &p_clk, + &mp_clk, }; -enum { MSTP_NR }; +enum { MSTP721, MSTP720, + MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP_NR }; static struct clk mstp_clks[MSTP_NR] = { + [MSTP721] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 21, 0), /* SCIF0 */ + [MSTP720] = SH_CLK_MSTP32(&p_clk, SMSTPCR7, 20, 0), /* SCIF1 */ + [MSTP216] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 16, 0), /* SCIFB2 */ + [MSTP207] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 7, 0), /* SCIFB1 */ + [MSTP206] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 6, 0), /* SCIFB0 */ + [MSTP204] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 4, 0), /* SCIFA0 */ + [MSTP203] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 3, 0), /* SCIFA1 */ + [MSTP202] = SH_CLK_MSTP32(&mp_clk, SMSTPCR2, 2, 0), /* SCIFA2 */ }; 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[MSTP202]), + CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP721]), + CLKDEV_DEV_ID("sh-sci.7", &mstp_clks[MSTP720]), }; void __init r8a7790_clock_init(void) diff --git a/arch/arm/mach-shmobile/setup-r8a7790.c b/arch/arm/mach-shmobile/setup-r8a7790.c index af432ba1102..3bb5bf16000 100644 --- a/arch/arm/mach-shmobile/setup-r8a7790.c +++ b/arch/arm/mach-shmobile/setup-r8a7790.c @@ -22,13 +22,68 @@ #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/r8a7790.h> #include <asm/mach/arch.h> +#define SCIF_COMMON(scif_type, baseaddr, irq) \ + .type = scif_type, \ + .mapbase = baseaddr, \ + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ + .irqs = SCIx_IRQ_MUXED(irq) + +#define SCIFA_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIFA, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_4, \ + .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE0, \ +} + +#define SCIFB_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIFB, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_4, \ + .scscr = SCSCR_RE | SCSCR_TE, \ +} + +#define SCIF_DATA(index, baseaddr, irq) \ +[index] = { \ + SCIF_COMMON(PORT_SCIF, baseaddr, irq), \ + .scbrr_algo_id = SCBRR_ALGO_2, \ + .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, \ +} + +enum { SCIFA0, SCIFA1, SCIFB0, SCIFB1, SCIFB2, SCIFA2, SCIF0, SCIF1 }; + +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, 0xe6c20000, gic_spi(148)), /* SCIFB0 */ + SCIFB_DATA(SCIFB1, 0xe6c30000, gic_spi(149)), /* SCIFB1 */ + SCIFB_DATA(SCIFB2, 0xe6ce0000, gic_spi(150)), /* SCIFB2 */ + SCIFA_DATA(SCIFA2, 0xe6c60000, gic_spi(151)), /* SCIFA2 */ + SCIF_DATA(SCIF0, 0xe6e60000, gic_spi(152)), /* SCIF0 */ + SCIF_DATA(SCIF1, 0xe6e68000, gic_spi(153)), /* SCIF1 */ +}; + +static inline void r8a7790_register_scif(int idx) +{ + platform_device_register_data(&platform_bus, "sh-sci", idx, &scif[idx], + sizeof(struct plat_sci_port)); +} + void __init r8a7790_add_standard_devices(void) { + r8a7790_register_scif(SCIFA0); + r8a7790_register_scif(SCIFA1); + r8a7790_register_scif(SCIFB0); + r8a7790_register_scif(SCIFB1); + r8a7790_register_scif(SCIFB2); + r8a7790_register_scif(SCIFA2); + r8a7790_register_scif(SCIF0); + r8a7790_register_scif(SCIF1); } #ifdef CONFIG_USE_OF |