diff options
Diffstat (limited to 'arch/arm/mach-shmobile/setup-r8a7778.c')
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a7778.c | 178 |
1 files changed, 117 insertions, 61 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c index 6a2657ebd197..03fcc5974ef9 100644 --- a/arch/arm/mach-shmobile/setup-r8a7778.c +++ b/arch/arm/mach-shmobile/setup-r8a7778.c @@ -24,6 +24,7 @@ #include <linux/irqchip/arm-gic.h> #include <linux/of.h> #include <linux/of_platform.h> +#include <linux/platform_data/dma-rcar-hpbdma.h> #include <linux/platform_data/gpio-rcar.h> #include <linux/platform_data/irq-renesas-intc-irqpin.h> #include <linux/platform_device.h> @@ -95,29 +96,46 @@ static struct sh_timer_config sh_tmu1_platform_data __initdata = { &sh_tmu##idx##_platform_data, \ sizeof(sh_tmu##idx##_platform_data)) -/* USB */ -static struct usb_phy *phy; +int r8a7778_usb_phy_power(bool enable) +{ + static struct usb_phy *phy = NULL; + int ret = 0; + if (!phy) + phy = usb_get_phy(USB_PHY_TYPE_USB2); + + if (IS_ERR(phy)) { + pr_err("kernel doesn't have usb phy driver\n"); + return PTR_ERR(phy); + } + + if (enable) + ret = usb_phy_init(phy); + else + usb_phy_shutdown(phy); + + return ret; +} + +/* USB */ static int usb_power_on(struct platform_device *pdev) { - if (IS_ERR(phy)) - return PTR_ERR(phy); + int ret = r8a7778_usb_phy_power(true); + + if (ret) + return ret; pm_runtime_enable(&pdev->dev); pm_runtime_get_sync(&pdev->dev); - usb_phy_init(phy); - return 0; } static void usb_power_off(struct platform_device *pdev) { - if (IS_ERR(phy)) + if (r8a7778_usb_phy_power(false)) return; - usb_phy_shutdown(phy); - pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); } @@ -174,20 +192,6 @@ static struct platform_device_info hci##_info __initdata = { \ USB_PLATFORM_INFO(ehci); USB_PLATFORM_INFO(ohci); -/* Ether */ -static struct resource ether_resources[] __initdata = { - DEFINE_RES_MEM(0xfde00000, 0x400), - DEFINE_RES_IRQ(gic_iid(0x89)), -}; - -void __init r8a7778_add_ether_device(struct sh_eth_plat_data *pdata) -{ - platform_device_register_resndata(&platform_bus, "r8a777x-ether", -1, - ether_resources, - ARRAY_SIZE(ether_resources), - pdata, sizeof(*pdata)); -} - /* PFC/GPIO */ static struct resource pfc_resources[] __initdata = { DEFINE_RES_MEM(0xfffc0000, 0x118), @@ -272,7 +276,7 @@ static struct resource hspi_resources[] __initdata = { DEFINE_RES_IRQ(gic_iid(0x75)), }; -void __init r8a7778_register_hspi(int id) +static void __init r8a7778_register_hspi(int id) { BUG_ON(id < 0 || id > 2); @@ -281,40 +285,6 @@ void __init r8a7778_register_hspi(int id) hspi_resources + (2 * id), 2); } -/* VIN */ -#define R8A7778_VIN(idx) \ -static struct resource vin##idx##_resources[] __initdata = { \ - DEFINE_RES_MEM(0xffc50000 + 0x1000 * (idx), 0x1000), \ - DEFINE_RES_IRQ(gic_iid(0x5a)), \ -}; \ - \ -static struct platform_device_info vin##idx##_info __initdata = { \ - .parent = &platform_bus, \ - .name = "r8a7778-vin", \ - .id = idx, \ - .res = vin##idx##_resources, \ - .num_res = ARRAY_SIZE(vin##idx##_resources), \ - .dma_mask = DMA_BIT_MASK(32), \ -} - -R8A7778_VIN(0); -R8A7778_VIN(1); - -static struct platform_device_info *vin_info_table[] __initdata = { - &vin0_info, - &vin1_info, -}; - -void __init r8a7778_add_vin_device(int id, struct rcar_vin_platform_data *pdata) -{ - BUG_ON(id < 0 || id > 1); - - vin_info_table[id]->data = pdata; - vin_info_table[id]->size_data = sizeof(*pdata); - - platform_device_register_full(vin_info_table[id]); -} - void __init r8a7778_add_dt_devices(void) { int i; @@ -339,6 +309,88 @@ void __init r8a7778_add_dt_devices(void) r8a7778_register_tmu(1); } +/* HPB-DMA */ + +/* Asynchronous mode register (ASYNCMDR) bits */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MASK BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_SINGLE BIT(2) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD22_MULTI 0 /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MASK BIT(1) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_SINGLE BIT(1) /* SDHI0 */ +#define HPB_DMAE_ASYNCMDR_ASMD21_MULTI 0 /* SDHI0 */ + +static const struct hpb_dmae_slave_config hpb_dmae_slaves[] = { + { + .id = HPBDMA_SLAVE_SDHI0_TX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DMDL | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD21_MULTI, + .mdm = HPB_DMAE_ASYNCMDR_ASMD21_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 21, + }, { + .id = HPBDMA_SLAVE_SDHI0_RX, + .addr = 0xffe4c000 + 0x30, + .dcr = HPB_DMAE_DCR_SMDL | + HPB_DMAE_DCR_SPDS_16BIT | + HPB_DMAE_DCR_DPDS_16BIT, + .rstr = HPB_DMAE_ASYNCRSTR_ASRST21 | + HPB_DMAE_ASYNCRSTR_ASRST22 | + HPB_DMAE_ASYNCRSTR_ASRST23, + .mdr = HPB_DMAE_ASYNCMDR_ASMD22_MULTI, + .mdm = HPB_DMAE_ASYNCMDR_ASMD22_MASK, + .port = 0x0D0C, + .flags = HPB_DMAE_SET_ASYNC_RESET | HPB_DMAE_SET_ASYNC_MODE, + .dma_ch = 22, + }, +}; + +static const struct hpb_dmae_channel hpb_dmae_channels[] = { + HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_TX), /* ch. 21 */ + HPB_DMAE_CHANNEL(0x7e, HPBDMA_SLAVE_SDHI0_RX), /* ch. 22 */ +}; + +static struct hpb_dmae_pdata dma_platform_data __initdata = { + .slaves = hpb_dmae_slaves, + .num_slaves = ARRAY_SIZE(hpb_dmae_slaves), + .channels = hpb_dmae_channels, + .num_channels = ARRAY_SIZE(hpb_dmae_channels), + .ts_shift = { + [XMIT_SZ_8BIT] = 0, + [XMIT_SZ_16BIT] = 1, + [XMIT_SZ_32BIT] = 2, + }, + .num_hw_channels = 39, +}; + +static struct resource hpb_dmae_resources[] __initdata = { + /* Channel registers */ + DEFINE_RES_MEM(0xffc08000, 0x1000), + /* Common registers */ + DEFINE_RES_MEM(0xffc09000, 0x170), + /* Asynchronous reset registers */ + DEFINE_RES_MEM(0xffc00300, 4), + /* Asynchronous mode registers */ + DEFINE_RES_MEM(0xffc00400, 4), + /* IRQ for DMA channels */ + DEFINE_RES_NAMED(gic_iid(0x7b), 5, NULL, IORESOURCE_IRQ), +}; + +static void __init r8a7778_register_hpb_dmae(void) +{ + platform_device_register_resndata(&platform_bus, "hpb-dma-engine", -1, + hpb_dmae_resources, + ARRAY_SIZE(hpb_dmae_resources), + &dma_platform_data, + sizeof(dma_platform_data)); +} + void __init r8a7778_add_standard_devices(void) { r8a7778_add_dt_devices(); @@ -349,12 +401,12 @@ void __init r8a7778_add_standard_devices(void) r8a7778_register_hspi(0); r8a7778_register_hspi(1); r8a7778_register_hspi(2); + + r8a7778_register_hpb_dmae(); } void __init r8a7778_init_late(void) { - phy = usb_get_phy(USB_PHY_TYPE_USB2); - platform_device_register_full(&ehci_info); platform_device_register_full(&ohci_info); } @@ -376,7 +428,7 @@ static struct resource irqpin_resources[] __initdata = { DEFINE_RES_IRQ(gic_iid(0x3e)), /* IRQ3 */ }; -void __init r8a7778_init_irq_extpin(int irlm) +void __init r8a7778_init_irq_extpin_dt(int irlm) { void __iomem *icr0 = ioremap_nocache(0xfe780000, PAGE_SIZE); unsigned long tmp; @@ -394,7 +446,11 @@ void __init r8a7778_init_irq_extpin(int irlm) tmp |= (1 << 21); /* LVLMODE = 1 */ iowrite32(tmp, icr0); iounmap(icr0); +} +void __init r8a7778_init_irq_extpin(int irlm) +{ + r8a7778_init_irq_extpin_dt(irlm); if (irlm) platform_device_register_resndata( &platform_bus, "renesas_intc_irqpin", -1, |