diff options
Diffstat (limited to 'arch/arm/mach-shmobile/setup-r8a73a4.c')
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a73a4.c | 194 |
1 files changed, 153 insertions, 41 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a73a4.c b/arch/arm/mach-shmobile/setup-r8a73a4.c index 7f45c2edbca..9333770cfac 100644 --- a/arch/arm/mach-shmobile/setup-r8a73a4.c +++ b/arch/arm/mach-shmobile/setup-r8a73a4.c @@ -18,12 +18,14 @@ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include <linux/irq.h> -#include <linux/irqchip.h> #include <linux/kernel.h> #include <linux/of_platform.h> #include <linux/platform_data/irq-renesas-irqc.h> #include <linux/serial_sci.h> +#include <linux/sh_dma.h> +#include <linux/sh_timer.h> #include <mach/common.h> +#include <mach/dma-register.h> #include <mach/irqs.h> #include <mach/r8a73a4.h> #include <asm/mach/arch.h> @@ -38,41 +40,39 @@ void __init r8a73a4_pinmux_init(void) ARRAY_SIZE(pfc_resources)); } -#define SCIF_COMMON(scif_type, baseaddr, irq) \ +#define R8A73A4_SCIF(scif_type, _scscr, index, baseaddr, irq) \ +static struct plat_sci_port scif##index##_platform_data = { \ .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, \ + .scscr = _scscr, \ +}; \ + \ +static struct resource scif##index##_resources[] = { \ + DEFINE_RES_MEM(baseaddr, 0x100), \ + DEFINE_RES_IRQ(irq), \ } -#define SCIFB_DATA(index, baseaddr, irq) \ -[index] = { \ - SCIF_COMMON(PORT_SCIFB, baseaddr, irq), \ - .scscr = SCSCR_RE | SCSCR_TE, \ -} +#define R8A73A4_SCIFA(index, baseaddr, irq) \ + R8A73A4_SCIF(PORT_SCIFA, SCSCR_RE | SCSCR_TE | SCSCR_CKE0, \ + index, baseaddr, irq) -enum { SCIFA0, SCIFA1, SCIFB0, SCIFB1, SCIFB2, SCIFB3 }; +#define R8A73A4_SCIFB(index, baseaddr, irq) \ + R8A73A4_SCIF(PORT_SCIFB, SCSCR_RE | SCSCR_TE, \ + index, baseaddr, irq) -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 */ - SCIFB_DATA(SCIFB3, 0xe6cf0000, gic_spi(151)), /* SCIFB3 */ -}; +R8A73A4_SCIFA(0, 0xe6c40000, gic_spi(144)); /* SCIFA0 */ +R8A73A4_SCIFA(1, 0xe6c50000, gic_spi(145)); /* SCIFA1 */ +R8A73A4_SCIFB(2, 0xe6c20000, gic_spi(148)); /* SCIFB0 */ +R8A73A4_SCIFB(3, 0xe6c30000, gic_spi(149)); /* SCIFB1 */ +R8A73A4_SCIFB(4, 0xe6ce0000, gic_spi(150)); /* SCIFB2 */ +R8A73A4_SCIFB(5, 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)); -} +#define r8a73a4_register_scif(index) \ + platform_device_register_resndata(&platform_bus, "sh-sci", index, \ + scif##index##_resources, \ + ARRAY_SIZE(scif##index##_resources), \ + &scif##index##_platform_data, \ + sizeof(scif##index##_platform_data)) static const struct renesas_irqc_config irqc0_data = { .irq_base = irq_pin(0), /* IRQ0 -> IRQ31 */ @@ -169,34 +169,146 @@ static const struct resource thermal0_resources[] = { thermal0_resources, \ ARRAY_SIZE(thermal0_resources)) +static struct sh_timer_config cmt1_platform_data = { + .channels_mask = 0xff, +}; + +static struct resource cmt1_resources[] = { + DEFINE_RES_MEM(0xe6130000, 0x1004), + DEFINE_RES_IRQ(gic_spi(120)), +}; + +#define r8a7790_register_cmt(idx) \ + platform_device_register_resndata(&platform_bus, "sh-cmt-48-gen2", \ + idx, cmt##idx##_resources, \ + ARRAY_SIZE(cmt##idx##_resources), \ + &cmt##idx##_platform_data, \ + sizeof(struct sh_timer_config)) + +void __init r8a73a4_add_dt_devices(void) +{ + r8a73a4_register_scif(0); + r8a73a4_register_scif(1); + r8a73a4_register_scif(2); + r8a73a4_register_scif(3); + r8a73a4_register_scif(4); + r8a73a4_register_scif(5); + r8a7790_register_cmt(1); +} + +/* DMA */ +static const struct sh_dmae_slave_config dma_slaves[] = { + { + .slave_id = SHDMA_SLAVE_MMCIF0_TX, + .addr = 0xee200034, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xd1, + }, { + .slave_id = SHDMA_SLAVE_MMCIF0_RX, + .addr = 0xee200034, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xd2, + }, { + .slave_id = SHDMA_SLAVE_MMCIF1_TX, + .addr = 0xee220034, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xe1, + }, { + .slave_id = SHDMA_SLAVE_MMCIF1_RX, + .addr = 0xee220034, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xe2, + }, +}; + +#define DMAE_CHANNEL(a, b) \ + { \ + .offset = (a) - 0x20, \ + .dmars = (a) - 0x20 + 0x40, \ + .chclr_bit = (b), \ + .chclr_offset = 0x80 - 0x20, \ + } + +static const struct sh_dmae_channel dma_channels[] = { + DMAE_CHANNEL(0x8000, 0), + DMAE_CHANNEL(0x8080, 1), + DMAE_CHANNEL(0x8100, 2), + DMAE_CHANNEL(0x8180, 3), + DMAE_CHANNEL(0x8200, 4), + DMAE_CHANNEL(0x8280, 5), + DMAE_CHANNEL(0x8300, 6), + DMAE_CHANNEL(0x8380, 7), + DMAE_CHANNEL(0x8400, 8), + DMAE_CHANNEL(0x8480, 9), + DMAE_CHANNEL(0x8500, 10), + DMAE_CHANNEL(0x8580, 11), + DMAE_CHANNEL(0x8600, 12), + DMAE_CHANNEL(0x8680, 13), + DMAE_CHANNEL(0x8700, 14), + DMAE_CHANNEL(0x8780, 15), + DMAE_CHANNEL(0x8800, 16), + DMAE_CHANNEL(0x8880, 17), + DMAE_CHANNEL(0x8900, 18), + DMAE_CHANNEL(0x8980, 19), +}; + +static const struct sh_dmae_pdata dma_pdata = { + .slave = dma_slaves, + .slave_num = ARRAY_SIZE(dma_slaves), + .channel = dma_channels, + .channel_num = ARRAY_SIZE(dma_channels), + .ts_low_shift = TS_LOW_SHIFT, + .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT, + .ts_high_shift = TS_HI_SHIFT, + .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT, + .ts_shift = dma_ts_shift, + .ts_shift_num = ARRAY_SIZE(dma_ts_shift), + .dmaor_init = DMAOR_DME, + .chclr_present = 1, + .chclr_bitwise = 1, +}; + +static struct resource dma_resources[] = { + DEFINE_RES_MEM(0xe6700020, 0x89e0), + DEFINE_RES_IRQ(gic_spi(220)), + { + /* IRQ for channels 0-19 */ + .start = gic_spi(200), + .end = gic_spi(219), + .flags = IORESOURCE_IRQ, + }, +}; + +#define r8a73a4_register_dmac() \ + platform_device_register_resndata(&platform_bus, "sh-dma-engine", 0, \ + dma_resources, ARRAY_SIZE(dma_resources), \ + &dma_pdata, sizeof(dma_pdata)) + 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); + r8a73a4_add_dt_devices(); r8a73a4_register_irqc(0); r8a73a4_register_irqc(1); r8a73a4_register_thermal(); + r8a73a4_register_dmac(); } -#ifdef CONFIG_USE_OF -void __init r8a73a4_add_standard_devices_dt(void) +void __init r8a73a4_init_early(void) { - of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); +#ifndef CONFIG_ARM_ARCH_TIMER + shmobile_setup_delay(1500, 2, 4); /* Cortex-A15 @ 1500MHz */ +#endif } +#ifdef CONFIG_USE_OF + static const char *r8a73a4_boards_compat_dt[] __initdata = { "renesas,r8a73a4", NULL, }; DT_MACHINE_START(R8A73A4_DT, "Generic R8A73A4 (Flattened Device Tree)") - .init_irq = irqchip_init, - .init_machine = r8a73a4_add_standard_devices_dt, - .init_time = shmobile_timer_init, + .init_early = r8a73a4_init_early, .dt_compat = r8a73a4_boards_compat_dt, MACHINE_END #endif /* CONFIG_USE_OF */ |