Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-01 17:51:43 +00:00
Code Issues Packages Projects Releases Wiki Activity
df8ee58d73
linux/arch/arm/mach-shmobile/board-bockw.c
Max Filippov 5d6aa34352 ARM: shmobile: bockw: enable DMA for SDHI0 
Pass HPB-DMA slave IDs in the SDHI0 platform data to enable DMA in the SDHI
driver.

Signed-off-by: Max Filippov <max.filippov@cogentembedded.com>
[Sergei: removed #include <mach/dma.h>]
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
2013-10-08 10:02:02 +09:00

675 lines
17 KiB
C
Raw Blame History

/*
* Bock-W board support
*
* Copyright (C) 2013 Renesas Solutions Corp.
* Copyright (C) 2013 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
* Copyright (C) 2013 Cogent Embedded, Inc.
*
* 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/mfd/tmio.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sh_mobile_sdhi.h>
#include <linux/mmc/sh_mmcif.h>
#include <linux/mtd/partitions.h>
#include <linux/pinctrl/machine.h>
#include <linux/platform_data/usb-rcar-phy.h>
#include <linux/platform_device.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/smsc911x.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/usb/renesas_usbhs.h>
#include <media/soc_camera.h>
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/r8a7778.h>
#include <asm/mach/arch.h>
#include <sound/rcar_snd.h>
#include <sound/simple_card.h>
#define FPGA 0x18200000
#define IRQ0MR 0x30
#define COMCTLR 0x101c
static void __iomem *fpga;
/*
* CN9(Upper side) SCIF/RCAN selection
*
* 1,4 3,6
* SW40 SCIF RCAN
* SW41 SCIF RCAN
*/
/*
* MMC (CN26) pin
*
* SW6 (D2) 3 pin
* SW7 (D5) ON
* SW8 (D3) 3 pin
* SW10 (D4) 1 pin
* SW12 (CLK) 1 pin
* SW13 (D6) 3 pin
* SW14 (CMD) ON
* SW15 (D6) 1 pin
* SW16 (D0) ON
* SW17 (D1) ON
* SW18 (D7) 3 pin
* SW19 (MMC) 1 pin
*/
/*
* SSI settings
*
* SW45: 1-4 side (SSI5 out, ROUT/LOUT CN19 Mid)
* SW46: 1101 (SSI6 Recorde)
* SW47: 1110 (SSI5 Playback)
* SW48: 11 (Recorde power)
* SW49: 1 (SSI slave mode)
* SW50: 1111 (SSI7, SSI8)
* SW51: 1111 (SSI3, SSI4)
* SW54: 1pin (ak4554 FPGA control)
* SW55: 1 (CLKB is 24.5760MHz)
* SW60: 1pin (ak4554 FPGA control)
* SW61: 3pin (use X11 clock)
* SW78: 3-6 (ak4642 connects I2C0)
*
* You can use sound as
*
* hw0: CN19: SSI56-AK4643
* hw1: CN21: SSI3-AK4554(playback)
* hw2: CN21: SSI4-AK4554(capture)
* hw3: CN20: SSI7-AK4554(playback)
* hw4: CN20: SSI8-AK4554(capture)
*
* this command is required when playback on hw0.
*
* # amixer set "LINEOUT Mixer DACL" on
*/
/*
* USB
*
* USB1 (CN29) can be Host/Function
*
* Host Func
* SW98 1 2
* SW99 1 3
*/
/* Dummy supplies, where voltage doesn't matter */
static struct regulator_consumer_supply dummy_supplies[] = {
REGULATOR_SUPPLY("vddvario", "smsc911x"),
REGULATOR_SUPPLY("vdd33a", "smsc911x"),
};
static struct smsc911x_platform_config smsc911x_data __initdata = {
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
.flags = SMSC911X_USE_32BIT,
.phy_interface = PHY_INTERFACE_MODE_MII,
};
static struct resource smsc911x_resources[] __initdata = {
DEFINE_RES_MEM(0x18300000, 0x1000),
DEFINE_RES_IRQ(irq_pin(0)), /* IRQ 0 */
};
#if IS_ENABLED(CONFIG_USB_RENESAS_USBHS_UDC)
/*
* When USB1 is Func
*/
static int usbhsf_get_id(struct platform_device *pdev)
{
return USBHS_GADGET;
}
#define SUSPMODE 0x102
static int usbhsf_power_ctrl(struct platform_device *pdev,
void __iomem *base, int enable)
{
enable = !!enable;
r8a7778_usb_phy_power(enable);
iowrite16(enable << 14, base + SUSPMODE);
return 0;
}
static struct resource usbhsf_resources[] __initdata = {
DEFINE_RES_MEM(0xffe60000, 0x110),
DEFINE_RES_IRQ(gic_iid(0x4f)),
};
static struct renesas_usbhs_platform_info usbhs_info __initdata = {
.platform_callback = {
.get_id = usbhsf_get_id,
.power_ctrl = usbhsf_power_ctrl,
},
.driver_param = {
.buswait_bwait = 4,
},
};
#define USB_PHY_SETTING {.port1_func = 1, .ovc_pin[1].active_high = 1,}
#define USB1_DEVICE "renesas_usbhs"
#define ADD_USB_FUNC_DEVICE_IF_POSSIBLE() \
platform_device_register_resndata( \
&platform_bus, "renesas_usbhs", -1, \
usbhsf_resources, \
ARRAY_SIZE(usbhsf_resources), \
&usbhs_info, sizeof(struct renesas_usbhs_platform_info))
#else
/*
* When USB1 is Host
*/
#define USB_PHY_SETTING { }
#define USB1_DEVICE "ehci-platform"
#define ADD_USB_FUNC_DEVICE_IF_POSSIBLE()
#endif
/* USB */
static struct resource usb_phy_resources[] __initdata = {
DEFINE_RES_MEM(0xffe70800, 0x100),
DEFINE_RES_MEM(0xffe76000, 0x100),
};
static struct rcar_phy_platform_data usb_phy_platform_data __initdata =
USB_PHY_SETTING;
/* SDHI */
static struct sh_mobile_sdhi_info sdhi0_info __initdata = {
.dma_slave_tx = HPBDMA_SLAVE_SDHI0_TX,
.dma_slave_rx = HPBDMA_SLAVE_SDHI0_RX,
.tmio_caps = MMC_CAP_SD_HIGHSPEED,
.tmio_ocr_mask = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT,
};
static struct resource sdhi0_resources[] __initdata = {
DEFINE_RES_MEM(0xFFE4C000, 0x100),
DEFINE_RES_IRQ(gic_iid(0x77)),
};
static struct sh_eth_plat_data ether_platform_data __initdata = {
.phy = 0x01,
.edmac_endian = EDMAC_LITTLE_ENDIAN,
.phy_interface = PHY_INTERFACE_MODE_RMII,
/*
* Although the LINK signal is available on the board, it's connected to
* the link/activity LED output of the PHY, thus the link disappears and
* reappears after each packet. We'd be better off ignoring such signal
* and getting the link state from the PHY indirectly.
*/
.no_ether_link = 1,
};
/* I2C */
static struct i2c_board_info i2c0_devices[] = {
{
I2C_BOARD_INFO("rx8581", 0x51),
}, {
I2C_BOARD_INFO("ak4643", 0x12),
}
};
/* HSPI*/
static struct mtd_partition m25p80_spi_flash_partitions[] = {
{
.name = "data(spi)",
.size = 0x0100000,
.offset = 0,
},
};
static struct flash_platform_data spi_flash_data = {
.name = "m25p80",
.type = "s25fl008k",
.parts = m25p80_spi_flash_partitions,
.nr_parts = ARRAY_SIZE(m25p80_spi_flash_partitions),
};
static struct spi_board_info spi_board_info[] __initdata = {
{
.modalias = "m25p80",
.max_speed_hz = 104000000,
.chip_select = 0,
.bus_num = 0,
.mode = SPI_MODE_0,
.platform_data = &spi_flash_data,
},
};
/* MMC */
static struct resource mmc_resources[] __initdata = {
DEFINE_RES_MEM(0xffe4e000, 0x100),
DEFINE_RES_IRQ(gic_iid(0x5d)),
};
static struct sh_mmcif_plat_data sh_mmcif_plat __initdata = {
.sup_pclk = 0,
.ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
.caps = MMC_CAP_4_BIT_DATA |
MMC_CAP_8_BIT_DATA |
MMC_CAP_NEEDS_POLL,
};
static struct rcar_vin_platform_data vin_platform_data __initdata = {
.flags = RCAR_VIN_BT656,
};
/* In the default configuration both decoders reside on I2C bus 0 */
#define BOCKW_CAMERA(idx) \
static struct i2c_board_info camera##idx##_info = { \
I2C_BOARD_INFO("ml86v7667", 0x41 + 2 * (idx)), \
}; \
\
static struct soc_camera_link iclink##idx##_ml86v7667 __initdata = { \
.bus_id = idx, \
.i2c_adapter_id = 0, \
.board_info = &camera##idx##_info, \
}
BOCKW_CAMERA(0);
BOCKW_CAMERA(1);
/* Sound */
static struct resource rsnd_resources[] __initdata = {
[RSND_GEN1_SRU] = DEFINE_RES_MEM(0xffd90000, 0x1000),
[RSND_GEN1_SSI] = DEFINE_RES_MEM(0xffd91000, 0x1240),
[RSND_GEN1_ADG] = DEFINE_RES_MEM(0xfffe0000, 0x24),
};
static struct rsnd_ssi_platform_info rsnd_ssi[] = {
RSND_SSI_UNUSED, /* SSI 0 */
RSND_SSI_UNUSED, /* SSI 1 */
RSND_SSI_UNUSED, /* SSI 2 */
RSND_SSI_SET(1, 0, gic_iid(0x85), RSND_SSI_PLAY),
RSND_SSI_SET(2, 0, gic_iid(0x85), RSND_SSI_CLK_PIN_SHARE | RSND_SSI_CLK_FROM_ADG),
RSND_SSI_SET(0, 0, gic_iid(0x86), RSND_SSI_PLAY),
RSND_SSI_SET(0, 0, gic_iid(0x86), 0),
RSND_SSI_SET(3, 0, gic_iid(0x86), RSND_SSI_PLAY),
RSND_SSI_SET(4, 0, gic_iid(0x86), RSND_SSI_CLK_PIN_SHARE | RSND_SSI_CLK_FROM_ADG),
};
static struct rsnd_scu_platform_info rsnd_scu[9] = {
/* no member at this point */
};
enum {
AK4554_34 = 0,
AK4643_56,
AK4554_78,
SOUND_MAX,
};
static int rsnd_codec_power(int id, int enable)
{
static int sound_user[SOUND_MAX] = {0, 0, 0};
int *usr = NULL;
u32 bit;
switch (id) {
case 3:
case 4:
usr = sound_user + AK4554_34;
bit = (1 << 10);
break;
case 5:
case 6:
usr = sound_user + AK4643_56;
bit = (1 << 6);
break;
case 7:
case 8:
usr = sound_user + AK4554_78;
bit = (1 << 7);
break;
}
if (!usr)
return -EIO;
if (enable) {
if (*usr == 0) {
u32 val = ioread16(fpga + COMCTLR);
val &= ~bit;
iowrite16(val, fpga + COMCTLR);
}
(*usr)++;
} else {
if (*usr == 0)
return 0;
(*usr)--;
if (*usr == 0) {
u32 val = ioread16(fpga + COMCTLR);
val |= bit;
iowrite16(val, fpga + COMCTLR);
}
}
return 0;
}
static int rsnd_start(int id)
{
return rsnd_codec_power(id, 1);
}
static int rsnd_stop(int id)
{
return rsnd_codec_power(id, 0);
}
static struct rcar_snd_info rsnd_info = {
.flags = RSND_GEN1,
.ssi_info = rsnd_ssi,
.ssi_info_nr = ARRAY_SIZE(rsnd_ssi),
.scu_info = rsnd_scu,
.scu_info_nr = ARRAY_SIZE(rsnd_scu),
.start = rsnd_start,
.stop = rsnd_stop,
};
static struct asoc_simple_card_info rsnd_card_info[] = {
/* SSI5, SSI6 */
{
.name = "AK4643",
.card = "SSI56-AK4643",
.codec = "ak4642-codec.0-0012",
.platform = "rcar_sound",
.daifmt = SND_SOC_DAIFMT_LEFT_J,
.cpu_dai = {
.name = "rsnd-dai.0",
.fmt = SND_SOC_DAIFMT_CBS_CFS,
},
.codec_dai = {
.name = "ak4642-hifi",
.fmt = SND_SOC_DAIFMT_CBM_CFM,
.sysclk = 11289600,
},
},
/* SSI3 */
{
.name = "AK4554",
.card = "SSI3-AK4554(playback)",
.codec = "ak4554-adc-dac.0",
.platform = "rcar_sound",
.cpu_dai = {
.name = "rsnd-dai.1",
.fmt = SND_SOC_DAIFMT_CBM_CFM |
SND_SOC_DAIFMT_RIGHT_J,
},
.codec_dai = {
.name = "ak4554-hifi",
},
},
/* SSI4 */
{
.name = "AK4554",
.card = "SSI4-AK4554(capture)",
.codec = "ak4554-adc-dac.0",
.platform = "rcar_sound",
.cpu_dai = {
.name = "rsnd-dai.2",
.fmt = SND_SOC_DAIFMT_CBM_CFM |
SND_SOC_DAIFMT_LEFT_J,
},
.codec_dai = {
.name = "ak4554-hifi",
},
},
/* SSI7 */
{
.name = "AK4554",
.card = "SSI7-AK4554(playback)",
.codec = "ak4554-adc-dac.1",
.platform = "rcar_sound",
.cpu_dai = {
.name = "rsnd-dai.3",
.fmt = SND_SOC_DAIFMT_CBM_CFM |
SND_SOC_DAIFMT_RIGHT_J,
},
.codec_dai = {
.name = "ak4554-hifi",
},
},
/* SSI8 */
{
.name = "AK4554",
.card = "SSI8-AK4554(capture)",
.codec = "ak4554-adc-dac.1",
.platform = "rcar_sound",
.cpu_dai = {
.name = "rsnd-dai.4",
.fmt = SND_SOC_DAIFMT_CBM_CFM |
SND_SOC_DAIFMT_LEFT_J,
},
.codec_dai = {
.name = "ak4554-hifi",
},
}
};
static const struct pinctrl_map bockw_pinctrl_map[] = {
/* AUDIO */
PIN_MAP_MUX_GROUP_DEFAULT("rcar_sound", "pfc-r8a7778",
"audio_clk_a", "audio_clk"),
PIN_MAP_MUX_GROUP_DEFAULT("rcar_sound", "pfc-r8a7778",
"audio_clk_b", "audio_clk"),
PIN_MAP_MUX_GROUP_DEFAULT("rcar_sound", "pfc-r8a7778",
"ssi34_ctrl", "ssi"),
PIN_MAP_MUX_GROUP_DEFAULT("rcar_sound", "pfc-r8a7778",
"ssi3_data", "ssi"),
PIN_MAP_MUX_GROUP_DEFAULT("rcar_sound", "pfc-r8a7778",
"ssi4_data", "ssi"),
PIN_MAP_MUX_GROUP_DEFAULT("rcar_sound", "pfc-r8a7778",
"ssi5_ctrl", "ssi"),
PIN_MAP_MUX_GROUP_DEFAULT("rcar_sound", "pfc-r8a7778",
"ssi5_data", "ssi"),
PIN_MAP_MUX_GROUP_DEFAULT("rcar_sound", "pfc-r8a7778",
"ssi6_ctrl", "ssi"),
PIN_MAP_MUX_GROUP_DEFAULT("rcar_sound", "pfc-r8a7778",
"ssi6_data", "ssi"),
PIN_MAP_MUX_GROUP_DEFAULT("rcar_sound", "pfc-r8a7778",
"ssi78_ctrl", "ssi"),
PIN_MAP_MUX_GROUP_DEFAULT("rcar_sound", "pfc-r8a7778",
"ssi7_data", "ssi"),
PIN_MAP_MUX_GROUP_DEFAULT("rcar_sound", "pfc-r8a7778",
"ssi8_data", "ssi"),
/* Ether */
PIN_MAP_MUX_GROUP_DEFAULT("r8a777x-ether", "pfc-r8a7778",
"ether_rmii", "ether"),
/* HSPI0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh-hspi.0", "pfc-r8a7778",
"hspi0_a", "hspi0"),
/* MMC */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif", "pfc-r8a7778",
"mmc_data8", "mmc"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif", "pfc-r8a7778",
"mmc_ctrl", "mmc"),
/* SCIF0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778",
"scif0_data_a", "scif0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a7778",
"scif0_ctrl", "scif0"),
/* USB */
PIN_MAP_MUX_GROUP_DEFAULT("ehci-platform", "pfc-r8a7778",
"usb0", "usb0"),
PIN_MAP_MUX_GROUP_DEFAULT(USB1_DEVICE, "pfc-r8a7778",
"usb1", "usb1"),
/* SDHI0 */
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
"sdhi0_data4", "sdhi0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
"sdhi0_ctrl", "sdhi0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
"sdhi0_cd", "sdhi0"),
PIN_MAP_MUX_GROUP_DEFAULT("sh_mobile_sdhi.0", "pfc-r8a7778",
"sdhi0_wp", "sdhi0"),
/* VIN0 */
PIN_MAP_MUX_GROUP_DEFAULT("r8a7778-vin.0", "pfc-r8a7778",
"vin0_clk", "vin0"),
PIN_MAP_MUX_GROUP_DEFAULT("r8a7778-vin.0", "pfc-r8a7778",
"vin0_data8", "vin0"),
/* VIN1 */
PIN_MAP_MUX_GROUP_DEFAULT("r8a7778-vin.1", "pfc-r8a7778",
"vin1_clk", "vin1"),
PIN_MAP_MUX_GROUP_DEFAULT("r8a7778-vin.1", "pfc-r8a7778",
"vin1_data8", "vin1"),
};
#define PFC 0xfffc0000
#define PUPR4 0x110
static void __init bockw_init(void)
{
void __iomem *base;
struct clk *clk;
int i;
r8a7778_clock_init();
r8a7778_init_irq_extpin(1);
r8a7778_add_standard_devices();
r8a7778_add_ether_device(&ether_platform_data);
r8a7778_add_vin_device(0, &vin_platform_data);
/* VIN1 has a pin conflict with Ether */
if (!IS_ENABLED(CONFIG_SH_ETH))
r8a7778_add_vin_device(1, &vin_platform_data);
platform_device_register_data(&platform_bus, "soc-camera-pdrv", 0,
&iclink0_ml86v7667,
sizeof(iclink0_ml86v7667));
platform_device_register_data(&platform_bus, "soc-camera-pdrv", 1,
&iclink1_ml86v7667,
sizeof(iclink1_ml86v7667));
i2c_register_board_info(0, i2c0_devices,
ARRAY_SIZE(i2c0_devices));
spi_register_board_info(spi_board_info,
ARRAY_SIZE(spi_board_info));
pinctrl_register_mappings(bockw_pinctrl_map,
ARRAY_SIZE(bockw_pinctrl_map));
r8a7778_pinmux_init();
platform_device_register_resndata(
&platform_bus, "sh_mmcif", -1,
mmc_resources, ARRAY_SIZE(mmc_resources),
&sh_mmcif_plat, sizeof(struct sh_mmcif_plat_data));
platform_device_register_resndata(
&platform_bus, "rcar_usb_phy", -1,
usb_phy_resources,
ARRAY_SIZE(usb_phy_resources),
&usb_phy_platform_data,
sizeof(struct rcar_phy_platform_data));
/* for SMSC */
fpga = ioremap_nocache(FPGA, SZ_1M);
if (fpga) {
/*
* CAUTION
*
* IRQ0/1 is cascaded interrupt from FPGA.
* it should be cared in the future
* Now, it is assuming IRQ0 was used only from SMSC.
*/
u16 val = ioread16(fpga + IRQ0MR);
val &= ~(1 << 4); /* enable SMSC911x */
iowrite16(val, fpga + IRQ0MR);
regulator_register_fixed(0, dummy_supplies,
ARRAY_SIZE(dummy_supplies));
platform_device_register_resndata(
&platform_bus, "smsc911x", -1,
smsc911x_resources, ARRAY_SIZE(smsc911x_resources),
&smsc911x_data, sizeof(smsc911x_data));
}
/* for SDHI */
base = ioremap_nocache(PFC, 0x200);
if (base) {
/*
* FIXME
*
* SDHI CD/WP pin needs pull-up
*/
iowrite32(ioread32(base + PUPR4) | (3 << 26), base + PUPR4);
iounmap(base);
platform_device_register_resndata(
&platform_bus, "sh_mobile_sdhi", 0,
sdhi0_resources, ARRAY_SIZE(sdhi0_resources),
&sdhi0_info, sizeof(struct sh_mobile_sdhi_info));
}
/* for Audio */
clk = clk_get(NULL, "audio_clk_b");
clk_set_rate(clk, 24576000);
clk_put(clk);
rsnd_codec_power(5, 1); /* enable ak4642 */
platform_device_register_simple(
"ak4554-adc-dac", 0, NULL, 0);
platform_device_register_simple(
"ak4554-adc-dac", 1, NULL, 0);
platform_device_register_resndata(
&platform_bus, "rcar_sound", -1,
rsnd_resources, ARRAY_SIZE(rsnd_resources),
&rsnd_info, sizeof(rsnd_info));
for (i = 0; i < ARRAY_SIZE(rsnd_card_info); i++) {
struct platform_device_info cardinfo = {
.parent = &platform_bus,
.name = "asoc-simple-card",
.id = i,
.data = &rsnd_card_info[i],
.size_data = sizeof(struct asoc_simple_card_info),
.dma_mask = ~0,
};
platform_device_register_full(&cardinfo);
}
}
static void __init bockw_init_late(void)
{
r8a7778_init_late();
ADD_USB_FUNC_DEVICE_IF_POSSIBLE();
}
static const char *bockw_boards_compat_dt[] __initdata = {
"renesas,bockw",
NULL,
};
DT_MACHINE_START(BOCKW_DT, "bockw")
.init_early = r8a7778_init_delay,
.init_irq = r8a7778_init_irq_dt,
.init_machine = bockw_init,
.dt_compat = bockw_boards_compat_dt,
.init_late = bockw_init_late,
MACHINE_END
Reference in New Issue View Git Blame Copy Permalink