diff options
Diffstat (limited to 'arch/arm/mach-shmobile/setup-r8a7790.c')
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7790.c | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a7790.c b/arch/arm/mach-shmobile/setup-r8a7790.c new file mode 100644 index 00000000000..6bd08b127fa --- /dev/null +++ b/arch/arm/mach-shmobile/setup-r8a7790.c @@ -0,0 +1,330 @@ +/* + * r8a7790 processor support + * + * Copyright (C) 2013 Renesas Solutions Corp. + * Copyright (C) 2013 Magnus Damm + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <linux/irq.h> +#include <linux/kernel.h> +#include <linux/of_platform.h> +#include <linux/platform_data/gpio-rcar.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/r8a7790.h> +#include <asm/mach/arch.h> + +/* Audio-DMAC */ +#define AUDIO_DMAC_SLAVE(_id, _addr, t, r) \ +{ \ + .slave_id = AUDIO_DMAC_SLAVE_## _id ##_TX, \ + .addr = _addr + 0x8, \ + .chcr = CHCR_TX(XMIT_SZ_32BIT), \ + .mid_rid = t, \ +}, { \ + .slave_id = AUDIO_DMAC_SLAVE_## _id ##_RX, \ + .addr = _addr + 0xc, \ + .chcr = CHCR_RX(XMIT_SZ_32BIT), \ + .mid_rid = r, \ +} + +static const struct sh_dmae_slave_config r8a7790_audio_dmac_slaves[] = { + AUDIO_DMAC_SLAVE(SSI0, 0xec241000, 0x01, 0x02), + AUDIO_DMAC_SLAVE(SSI1, 0xec241040, 0x03, 0x04), + AUDIO_DMAC_SLAVE(SSI2, 0xec241080, 0x05, 0x06), + AUDIO_DMAC_SLAVE(SSI3, 0xec2410c0, 0x07, 0x08), + AUDIO_DMAC_SLAVE(SSI4, 0xec241100, 0x09, 0x0a), + AUDIO_DMAC_SLAVE(SSI5, 0xec241140, 0x0b, 0x0c), + AUDIO_DMAC_SLAVE(SSI6, 0xec241180, 0x0d, 0x0e), + AUDIO_DMAC_SLAVE(SSI7, 0xec2411c0, 0x0f, 0x10), + AUDIO_DMAC_SLAVE(SSI8, 0xec241200, 0x11, 0x12), + AUDIO_DMAC_SLAVE(SSI9, 0xec241240, 0x13, 0x14), +}; + +#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 r8a7790_audio_dmac_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), +}; + +static struct sh_dmae_pdata r8a7790_audio_dmac_platform_data = { + .slave = r8a7790_audio_dmac_slaves, + .slave_num = ARRAY_SIZE(r8a7790_audio_dmac_slaves), + .channel = r8a7790_audio_dmac_channels, + .channel_num = ARRAY_SIZE(r8a7790_audio_dmac_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 r8a7790_audio_dmac_resources[] = { + /* Channel registers and DMAOR for low */ + DEFINE_RES_MEM(0xec700020, 0x8663 - 0x20), + DEFINE_RES_IRQ(gic_spi(346)), + DEFINE_RES_NAMED(gic_spi(320), 13, NULL, IORESOURCE_IRQ), + + /* Channel registers and DMAOR for hi */ + DEFINE_RES_MEM(0xec720020, 0x8663 - 0x20), /* hi */ + DEFINE_RES_IRQ(gic_spi(347)), + DEFINE_RES_NAMED(gic_spi(333), 13, NULL, IORESOURCE_IRQ), +}; + +#define r8a7790_register_audio_dmac(id) \ + platform_device_register_resndata( \ + &platform_bus, "sh-dma-engine", id, \ + &r8a7790_audio_dmac_resources[id * 3], 3, \ + &r8a7790_audio_dmac_platform_data, \ + sizeof(r8a7790_audio_dmac_platform_data)) + +static const struct resource pfc_resources[] __initconst = { + DEFINE_RES_MEM(0xe6060000, 0x250), +}; + +#define r8a7790_register_pfc() \ + platform_device_register_simple("pfc-r8a7790", -1, pfc_resources, \ + ARRAY_SIZE(pfc_resources)) + +#define R8A7790_GPIO(idx) \ +static const struct resource r8a7790_gpio##idx##_resources[] __initconst = { \ + DEFINE_RES_MEM(0xe6050000 + 0x1000 * (idx), 0x50), \ + DEFINE_RES_IRQ(gic_spi(4 + (idx))), \ +}; \ + \ +static const struct gpio_rcar_config \ +r8a7790_gpio##idx##_platform_data __initconst = { \ + .gpio_base = 32 * (idx), \ + .irq_base = 0, \ + .number_of_pins = 32, \ + .pctl_name = "pfc-r8a7790", \ + .has_both_edge_trigger = 1, \ +}; \ + +R8A7790_GPIO(0); +R8A7790_GPIO(1); +R8A7790_GPIO(2); +R8A7790_GPIO(3); +R8A7790_GPIO(4); +R8A7790_GPIO(5); + +#define r8a7790_register_gpio(idx) \ + platform_device_register_resndata(&platform_bus, "gpio_rcar", idx, \ + r8a7790_gpio##idx##_resources, \ + ARRAY_SIZE(r8a7790_gpio##idx##_resources), \ + &r8a7790_gpio##idx##_platform_data, \ + sizeof(r8a7790_gpio##idx##_platform_data)) + +static struct resource i2c_resources[] __initdata = { + /* I2C0 */ + DEFINE_RES_MEM(0xE6508000, 0x40), + DEFINE_RES_IRQ(gic_spi(287)), + /* I2C1 */ + DEFINE_RES_MEM(0xE6518000, 0x40), + DEFINE_RES_IRQ(gic_spi(288)), + /* I2C2 */ + DEFINE_RES_MEM(0xE6530000, 0x40), + DEFINE_RES_IRQ(gic_spi(286)), + /* I2C3 */ + DEFINE_RES_MEM(0xE6540000, 0x40), + DEFINE_RES_IRQ(gic_spi(290)), + +}; + +#define r8a7790_register_i2c(idx) \ + platform_device_register_simple( \ + "i2c-rcar_gen2", idx, \ + i2c_resources + (2 * idx), 2); \ + +void __init r8a7790_pinmux_init(void) +{ + r8a7790_register_pfc(); + r8a7790_register_gpio(0); + r8a7790_register_gpio(1); + r8a7790_register_gpio(2); + r8a7790_register_gpio(3); + r8a7790_register_gpio(4); + r8a7790_register_gpio(5); +} + +#define __R8A7790_SCIF(scif_type, _scscr, index, baseaddr, irq) \ +static struct plat_sci_port scif##index##_platform_data = { \ + .type = scif_type, \ + .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, \ + .scscr = _scscr, \ +}; \ + \ +static struct resource scif##index##_resources[] = { \ + DEFINE_RES_MEM(baseaddr, 0x100), \ + DEFINE_RES_IRQ(irq), \ +} + +#define R8A7790_SCIF(index, baseaddr, irq) \ + __R8A7790_SCIF(PORT_SCIF, SCSCR_RE | SCSCR_TE, \ + index, baseaddr, irq) + +#define R8A7790_SCIFA(index, baseaddr, irq) \ + __R8A7790_SCIF(PORT_SCIFA, SCSCR_RE | SCSCR_TE | SCSCR_CKE0, \ + index, baseaddr, irq) + +#define R8A7790_SCIFB(index, baseaddr, irq) \ + __R8A7790_SCIF(PORT_SCIFB, SCSCR_RE | SCSCR_TE, \ + index, baseaddr, irq) + +#define R8A7790_HSCIF(index, baseaddr, irq) \ + __R8A7790_SCIF(PORT_HSCIF, SCSCR_RE | SCSCR_TE, \ + index, baseaddr, irq) + +R8A7790_SCIFA(0, 0xe6c40000, gic_spi(144)); /* SCIFA0 */ +R8A7790_SCIFA(1, 0xe6c50000, gic_spi(145)); /* SCIFA1 */ +R8A7790_SCIFB(2, 0xe6c20000, gic_spi(148)); /* SCIFB0 */ +R8A7790_SCIFB(3, 0xe6c30000, gic_spi(149)); /* SCIFB1 */ +R8A7790_SCIFB(4, 0xe6ce0000, gic_spi(150)); /* SCIFB2 */ +R8A7790_SCIFA(5, 0xe6c60000, gic_spi(151)); /* SCIFA2 */ +R8A7790_SCIF(6, 0xe6e60000, gic_spi(152)); /* SCIF0 */ +R8A7790_SCIF(7, 0xe6e68000, gic_spi(153)); /* SCIF1 */ +R8A7790_HSCIF(8, 0xe62c0000, gic_spi(154)); /* HSCIF0 */ +R8A7790_HSCIF(9, 0xe62c8000, gic_spi(155)); /* HSCIF1 */ + +#define r8a7790_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 __initconst = { + .irq_base = irq_pin(0), /* IRQ0 -> IRQ3 */ +}; + +static const struct resource irqc0_resources[] __initconst = { + DEFINE_RES_MEM(0xe61c0000, 0x200), /* IRQC Event Detector Block_0 */ + DEFINE_RES_IRQ(gic_spi(0)), /* IRQ0 */ + DEFINE_RES_IRQ(gic_spi(1)), /* IRQ1 */ + DEFINE_RES_IRQ(gic_spi(2)), /* IRQ2 */ + DEFINE_RES_IRQ(gic_spi(3)), /* IRQ3 */ +}; + +#define r8a7790_register_irqc(idx) \ + platform_device_register_resndata(&platform_bus, "renesas_irqc", \ + idx, irqc##idx##_resources, \ + ARRAY_SIZE(irqc##idx##_resources), \ + &irqc##idx##_data, \ + sizeof(struct renesas_irqc_config)) + +static const struct resource thermal_resources[] __initconst = { + DEFINE_RES_MEM(0xe61f0000, 0x14), + DEFINE_RES_MEM(0xe61f0100, 0x38), + DEFINE_RES_IRQ(gic_spi(69)), +}; + +#define r8a7790_register_thermal() \ + platform_device_register_simple("rcar_thermal", -1, \ + thermal_resources, \ + ARRAY_SIZE(thermal_resources)) + +static struct sh_timer_config cmt0_platform_data = { + .channels_mask = 0x60, +}; + +static struct resource cmt0_resources[] = { + DEFINE_RES_MEM(0xffca0000, 0x1004), + DEFINE_RES_IRQ(gic_spi(142)), +}; + +#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 r8a7790_add_dt_devices(void) +{ + r8a7790_register_cmt(0); +} + +void __init r8a7790_add_standard_devices(void) +{ + r8a7790_register_scif(0); + r8a7790_register_scif(1); + r8a7790_register_scif(2); + r8a7790_register_scif(3); + r8a7790_register_scif(4); + r8a7790_register_scif(5); + r8a7790_register_scif(6); + r8a7790_register_scif(7); + r8a7790_register_scif(8); + r8a7790_register_scif(9); + r8a7790_add_dt_devices(); + r8a7790_register_irqc(0); + r8a7790_register_thermal(); + r8a7790_register_i2c(0); + r8a7790_register_i2c(1); + r8a7790_register_i2c(2); + r8a7790_register_i2c(3); + r8a7790_register_audio_dmac(0); + r8a7790_register_audio_dmac(1); +} + +void __init r8a7790_init_early(void) +{ +#ifndef CONFIG_ARM_ARCH_TIMER + shmobile_setup_delay(1300, 2, 4); /* Cortex-A15 @ 1300MHz */ +#endif +} + +#ifdef CONFIG_USE_OF + +static const char * const r8a7790_boards_compat_dt[] __initconst = { + "renesas,r8a7790", + NULL, +}; + +DT_MACHINE_START(R8A7790_DT, "Generic R8A7790 (Flattened Device Tree)") + .smp = smp_ops(r8a7790_smp_ops), + .init_early = r8a7790_init_early, + .init_time = rcar_gen2_timer_init, + .dt_compat = r8a7790_boards_compat_dt, +MACHINE_END +#endif /* CONFIG_USE_OF */ |