324 lines
9.8 KiB
C
324 lines
9.8 KiB
C
/*
|
|
* 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 <asm/mach/arch.h>
|
|
|
|
#include "common.h"
|
|
#include "dma-register.h"
|
|
#include "irqs.h"
|
|
#include "r8a7790.h"
|
|
#include "rcar-gen2.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( \
|
|
NULL, "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(NULL, "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(NULL, "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(NULL, "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(NULL, "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_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_register_cmt(0);
|
|
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);
|
|
}
|
|
|
|
#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 = shmobile_init_delay,
|
|
.init_time = rcar_gen2_timer_init,
|
|
.init_late = shmobile_init_late,
|
|
.reserve = rcar_gen2_reserve,
|
|
.dt_compat = r8a7790_boards_compat_dt,
|
|
MACHINE_END
|
|
#endif /* CONFIG_USE_OF */
|