--- zzzz-none-000/linux-3.10.107/arch/arm/mach-shmobile/setup-r8a7779.c 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/arch/arm/mach-shmobile/setup-r8a7779.c 2021-02-04 17:41:59.000000000 +0000 @@ -13,44 +13,29 @@ * 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 +#include +#include #include -#include #include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include +#include +#include + #include -#include #include -#include + +#include "common.h" +#include "r8a7779.h" static struct map_desc r8a7779_io_desc[] __initdata = { - /* 2M entity map for 0xf0000000 (MPCORE) */ + /* 2M identity mapping for 0xf0000000 (MPCORE) */ { .virtual = 0xf0000000, .pfn = __phys_to_pfn(0xf0000000), .length = SZ_2M, .type = MT_DEVICE_NONSHARED }, - /* 16M entity map for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */ + /* 16M identity mapping for 0xfexxxxxx (DMAC-S/HPBREG/INTC2/LRAM/DBSC) */ { .virtual = 0xfe000000, .pfn = __phys_to_pfn(0xfe000000), @@ -59,461 +44,73 @@ }, }; -void __init r8a7779_map_io(void) +static void __init r8a7779_map_io(void) { + debug_ll_io_init(); iotable_init(r8a7779_io_desc, ARRAY_SIZE(r8a7779_io_desc)); } -static struct resource r8a7779_pfc_resources[] = { - [0] = { - .start = 0xfffc0000, - .end = 0xfffc023b, - .flags = IORESOURCE_MEM, - }, -}; - -static struct platform_device r8a7779_pfc_device = { - .name = "pfc-r8a7779", - .id = -1, - .resource = r8a7779_pfc_resources, - .num_resources = ARRAY_SIZE(r8a7779_pfc_resources), -}; - -#define R8A7779_GPIO(idx, npins) \ -static struct resource r8a7779_gpio##idx##_resources[] = { \ - [0] = { \ - .start = 0xffc40000 + 0x1000 * (idx), \ - .end = 0xffc4002b + 0x1000 * (idx), \ - .flags = IORESOURCE_MEM, \ - }, \ - [1] = { \ - .start = gic_iid(0xad + (idx)), \ - .flags = IORESOURCE_IRQ, \ - } \ -}; \ - \ -static struct gpio_rcar_config r8a7779_gpio##idx##_platform_data = { \ - .gpio_base = 32 * (idx), \ - .irq_base = 0, \ - .number_of_pins = npins, \ - .pctl_name = "pfc-r8a7779", \ -}; \ - \ -static struct platform_device r8a7779_gpio##idx##_device = { \ - .name = "gpio_rcar", \ - .id = idx, \ - .resource = r8a7779_gpio##idx##_resources, \ - .num_resources = ARRAY_SIZE(r8a7779_gpio##idx##_resources), \ - .dev = { \ - .platform_data = &r8a7779_gpio##idx##_platform_data, \ - }, \ -} +/* IRQ */ +#define INT2SMSKCR0 IOMEM(0xfe7822a0) +#define INT2SMSKCR1 IOMEM(0xfe7822a4) +#define INT2SMSKCR2 IOMEM(0xfe7822a8) +#define INT2SMSKCR3 IOMEM(0xfe7822ac) +#define INT2SMSKCR4 IOMEM(0xfe7822b0) -R8A7779_GPIO(0, 32); -R8A7779_GPIO(1, 32); -R8A7779_GPIO(2, 32); -R8A7779_GPIO(3, 32); -R8A7779_GPIO(4, 32); -R8A7779_GPIO(5, 32); -R8A7779_GPIO(6, 9); - -static struct platform_device *r8a7779_pinctrl_devices[] __initdata = { - &r8a7779_pfc_device, - &r8a7779_gpio0_device, - &r8a7779_gpio1_device, - &r8a7779_gpio2_device, - &r8a7779_gpio3_device, - &r8a7779_gpio4_device, - &r8a7779_gpio5_device, - &r8a7779_gpio6_device, -}; +#define INT2NTSR0 IOMEM(0xfe700060) +#define INT2NTSR1 IOMEM(0xfe700064) -void __init r8a7779_pinmux_init(void) +static void __init r8a7779_init_irq_dt(void) { - platform_add_devices(r8a7779_pinctrl_devices, - ARRAY_SIZE(r8a7779_pinctrl_devices)); -} - -static struct plat_sci_port scif0_platform_data = { - .mapbase = 0xffe40000, - .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, - .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, - .scbrr_algo_id = SCBRR_ALGO_2, - .type = PORT_SCIF, - .irqs = SCIx_IRQ_MUXED(gic_iid(0x78)), -}; - -static struct platform_device scif0_device = { - .name = "sh-sci", - .id = 0, - .dev = { - .platform_data = &scif0_platform_data, - }, -}; - -static struct plat_sci_port scif1_platform_data = { - .mapbase = 0xffe41000, - .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, - .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, - .scbrr_algo_id = SCBRR_ALGO_2, - .type = PORT_SCIF, - .irqs = SCIx_IRQ_MUXED(gic_iid(0x79)), -}; - -static struct platform_device scif1_device = { - .name = "sh-sci", - .id = 1, - .dev = { - .platform_data = &scif1_platform_data, - }, -}; - -static struct plat_sci_port scif2_platform_data = { - .mapbase = 0xffe42000, - .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, - .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, - .scbrr_algo_id = SCBRR_ALGO_2, - .type = PORT_SCIF, - .irqs = SCIx_IRQ_MUXED(gic_iid(0x7a)), -}; - -static struct platform_device scif2_device = { - .name = "sh-sci", - .id = 2, - .dev = { - .platform_data = &scif2_platform_data, - }, -}; - -static struct plat_sci_port scif3_platform_data = { - .mapbase = 0xffe43000, - .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, - .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, - .scbrr_algo_id = SCBRR_ALGO_2, - .type = PORT_SCIF, - .irqs = SCIx_IRQ_MUXED(gic_iid(0x7b)), -}; - -static struct platform_device scif3_device = { - .name = "sh-sci", - .id = 3, - .dev = { - .platform_data = &scif3_platform_data, - }, -}; - -static struct plat_sci_port scif4_platform_data = { - .mapbase = 0xffe44000, - .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, - .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, - .scbrr_algo_id = SCBRR_ALGO_2, - .type = PORT_SCIF, - .irqs = SCIx_IRQ_MUXED(gic_iid(0x7c)), -}; - -static struct platform_device scif4_device = { - .name = "sh-sci", - .id = 4, - .dev = { - .platform_data = &scif4_platform_data, - }, -}; - -static struct plat_sci_port scif5_platform_data = { - .mapbase = 0xffe45000, - .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP, - .scscr = SCSCR_RE | SCSCR_TE | SCSCR_CKE1, - .scbrr_algo_id = SCBRR_ALGO_2, - .type = PORT_SCIF, - .irqs = SCIx_IRQ_MUXED(gic_iid(0x7d)), -}; - -static struct platform_device scif5_device = { - .name = "sh-sci", - .id = 5, - .dev = { - .platform_data = &scif5_platform_data, - }, -}; - -/* TMU */ -static struct sh_timer_config tmu00_platform_data = { - .name = "TMU00", - .channel_offset = 0x4, - .timer_bit = 0, - .clockevent_rating = 200, -}; - -static struct resource tmu00_resources[] = { - [0] = { - .name = "TMU00", - .start = 0xffd80008, - .end = 0xffd80013, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = gic_iid(0x40), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device tmu00_device = { - .name = "sh_tmu", - .id = 0, - .dev = { - .platform_data = &tmu00_platform_data, - }, - .resource = tmu00_resources, - .num_resources = ARRAY_SIZE(tmu00_resources), -}; - -static struct sh_timer_config tmu01_platform_data = { - .name = "TMU01", - .channel_offset = 0x10, - .timer_bit = 1, - .clocksource_rating = 200, -}; - -static struct resource tmu01_resources[] = { - [0] = { - .name = "TMU01", - .start = 0xffd80014, - .end = 0xffd8001f, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = gic_iid(0x41), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device tmu01_device = { - .name = "sh_tmu", - .id = 1, - .dev = { - .platform_data = &tmu01_platform_data, - }, - .resource = tmu01_resources, - .num_resources = ARRAY_SIZE(tmu01_resources), -}; - -/* I2C */ -static struct resource rcar_i2c0_res[] = { - { - .start = 0xffc70000, - .end = 0xffc70fff, - .flags = IORESOURCE_MEM, - }, { - .start = gic_iid(0x6f), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device i2c0_device = { - .name = "i2c-rcar", - .id = 0, - .resource = rcar_i2c0_res, - .num_resources = ARRAY_SIZE(rcar_i2c0_res), -}; - -static struct resource rcar_i2c1_res[] = { - { - .start = 0xffc71000, - .end = 0xffc71fff, - .flags = IORESOURCE_MEM, - }, { - .start = gic_iid(0x72), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device i2c1_device = { - .name = "i2c-rcar", - .id = 1, - .resource = rcar_i2c1_res, - .num_resources = ARRAY_SIZE(rcar_i2c1_res), -}; - -static struct resource rcar_i2c2_res[] = { - { - .start = 0xffc72000, - .end = 0xffc72fff, - .flags = IORESOURCE_MEM, - }, { - .start = gic_iid(0x70), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device i2c2_device = { - .name = "i2c-rcar", - .id = 2, - .resource = rcar_i2c2_res, - .num_resources = ARRAY_SIZE(rcar_i2c2_res), -}; - -static struct resource rcar_i2c3_res[] = { - { - .start = 0xffc73000, - .end = 0xffc73fff, - .flags = IORESOURCE_MEM, - }, { - .start = gic_iid(0x71), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device i2c3_device = { - .name = "i2c-rcar", - .id = 3, - .resource = rcar_i2c3_res, - .num_resources = ARRAY_SIZE(rcar_i2c3_res), -}; - -static struct resource sata_resources[] = { - [0] = { - .name = "rcar-sata", - .start = 0xfc600000, - .end = 0xfc601fff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = gic_iid(0x84), - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device sata_device = { - .name = "sata_rcar", - .id = -1, - .resource = sata_resources, - .num_resources = ARRAY_SIZE(sata_resources), - .dev = { - .dma_mask = &sata_device.dev.coherent_dma_mask, - .coherent_dma_mask = DMA_BIT_MASK(32), - }, -}; + irqchip_init(); -/* Ether */ -static struct resource ether_resources[] = { - { - .start = 0xfde00000, - .end = 0xfde003ff, - .flags = IORESOURCE_MEM, - }, { - .start = gic_iid(0xb4), - .flags = IORESOURCE_IRQ, - }, -}; + /* route all interrupts to ARM */ + __raw_writel(0xffffffff, INT2NTSR0); + __raw_writel(0x3fffffff, INT2NTSR1); -static struct platform_device *r8a7779_devices_dt[] __initdata = { - &scif0_device, - &scif1_device, - &scif2_device, - &scif3_device, - &scif4_device, - &scif5_device, - &tmu00_device, - &tmu01_device, -}; - -static struct platform_device *r8a7779_late_devices[] __initdata = { - &i2c0_device, - &i2c1_device, - &i2c2_device, - &i2c3_device, - &sata_device, -}; - -void __init r8a7779_add_standard_devices(void) -{ -#ifdef CONFIG_CACHE_L2X0 - /* Early BRESP enable, Shared attribute override enable, 64K*16way */ - l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff); -#endif - r8a7779_pm_init(); - - r8a7779_init_pm_domains(); - - platform_add_devices(r8a7779_devices_dt, - ARRAY_SIZE(r8a7779_devices_dt)); - platform_add_devices(r8a7779_late_devices, - ARRAY_SIZE(r8a7779_late_devices)); + /* unmask all known interrupts in INTCS2 */ + __raw_writel(0xfffffff0, INT2SMSKCR0); + __raw_writel(0xfff7ffff, INT2SMSKCR1); + __raw_writel(0xfffbffdf, INT2SMSKCR2); + __raw_writel(0xbffffffc, INT2SMSKCR3); + __raw_writel(0x003fee3f, INT2SMSKCR4); } -void __init r8a7779_add_ether_device(struct sh_eth_plat_data *pdata) -{ - platform_device_register_resndata(&platform_bus, "sh_eth", -1, - ether_resources, - ARRAY_SIZE(ether_resources), - pdata, sizeof(*pdata)); -} +#define MODEMR 0xffcc0020 -/* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */ -void __init __weak r8a7779_register_twd(void) { } - -void __init r8a7779_earlytimer_init(void) +static u32 __init r8a7779_read_mode_pins(void) { - r8a7779_clock_init(); - shmobile_earlytimer_init(); - r8a7779_register_twd(); -} + static u32 mode; + static bool mode_valid; -void __init r8a7779_add_early_devices(void) -{ - early_platform_add_devices(r8a7779_devices_dt, - ARRAY_SIZE(r8a7779_devices_dt)); + if (!mode_valid) { + void __iomem *modemr = ioremap_nocache(MODEMR, PAGE_SIZE); + BUG_ON(!modemr); + mode = ioread32(modemr); + iounmap(modemr); + mode_valid = true; + } - /* Early serial console setup is not included here due to - * memory map collisions. The SCIF serial ports in r8a7779 - * are difficult to entity map 1:1 due to collision with the - * virtual memory range used by the coherent DMA code on ARM. - * - * Anyone wanting to debug early can remove UPF_IOREMAP from - * the sh-sci serial console platform data, adjust mapbase - * to a static M:N virt:phys mapping that needs to be added to - * the mappings passed with iotable_init() above. - * - * Then add a call to shmobile_setup_console() from this function. - * - * As a final step pass earlyprint=sh-sci.2,115200 on the kernel - * command line in case of the marzen board. - */ + return mode; } -#ifdef CONFIG_USE_OF -void __init r8a7779_init_delay(void) +static void __init r8a7779_init_time(void) { - shmobile_setup_delay(1000, 2, 4); /* Cortex-A9 @ 1000MHz */ -} - -static const struct of_dev_auxdata r8a7779_auxdata_lookup[] __initconst = { - {}, -}; - -void __init r8a7779_add_standard_devices_dt(void) -{ - /* clocks are setup late during boot in the case of DT */ - r8a7779_clock_init(); - - platform_add_devices(r8a7779_devices_dt, - ARRAY_SIZE(r8a7779_devices_dt)); - of_platform_populate(NULL, of_default_bus_match_table, - r8a7779_auxdata_lookup, NULL); + r8a7779_clocks_init(r8a7779_read_mode_pins()); + clocksource_probe(); } -static const char *r8a7779_compat_dt[] __initdata = { +static const char *const r8a7779_compat_dt[] __initconst = { "renesas,r8a7779", NULL, }; DT_MACHINE_START(R8A7779_DT, "Generic R8A7779 (Flattened Device Tree)") + .smp = smp_ops(r8a7779_smp_ops), .map_io = r8a7779_map_io, - .init_early = r8a7779_init_delay, - .nr_irqs = NR_IRQS_LEGACY, + .init_early = shmobile_init_delay, + .init_time = r8a7779_init_time, .init_irq = r8a7779_init_irq_dt, - .init_machine = r8a7779_add_standard_devices_dt, - .init_time = shmobile_timer_init, + .init_late = shmobile_init_late, .dt_compat = r8a7779_compat_dt, MACHINE_END -#endif /* CONFIG_USE_OF */