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Diffstat (limited to 'arch/arm/mach-shmobile/setup-r8a7740.c')
-rw-r--r--arch/arm/mach-shmobile/setup-r8a7740.c384
1 files changed, 102 insertions, 282 deletions
diff --git a/arch/arm/mach-shmobile/setup-r8a7740.c b/arch/arm/mach-shmobile/setup-r8a7740.c
index 00c5a707238..35dec233301 100644
--- a/arch/arm/mach-shmobile/setup-r8a7740.c
+++ b/arch/arm/mach-shmobile/setup-r8a7740.c
@@ -22,6 +22,8 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/irqchip.h>
+#include <linux/irqchip/arm-gic.h>
#include <linux/platform_data/irq-renesas-intc-irqpin.h>
#include <linux/platform_device.h>
#include <linux/of_platform.h>
@@ -201,289 +203,79 @@ static struct platform_device irqpin3_device = {
},
};
-/* SCIFA0 */
-static struct plat_sci_port scif0_platform_data = {
- .mapbase = 0xe6c40000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE,
- .scbrr_algo_id = SCBRR_ALGO_4,
- .type = PORT_SCIFA,
- .irqs = SCIx_IRQ_MUXED(gic_spi(100)),
-};
-
-static struct platform_device scif0_device = {
- .name = "sh-sci",
- .id = 0,
- .dev = {
- .platform_data = &scif0_platform_data,
- },
-};
-
-/* SCIFA1 */
-static struct plat_sci_port scif1_platform_data = {
- .mapbase = 0xe6c50000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE,
- .scbrr_algo_id = SCBRR_ALGO_4,
- .type = PORT_SCIFA,
- .irqs = SCIx_IRQ_MUXED(gic_spi(101)),
-};
-
-static struct platform_device scif1_device = {
- .name = "sh-sci",
- .id = 1,
- .dev = {
- .platform_data = &scif1_platform_data,
- },
-};
-
-/* SCIFA2 */
-static struct plat_sci_port scif2_platform_data = {
- .mapbase = 0xe6c60000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE,
- .scbrr_algo_id = SCBRR_ALGO_4,
- .type = PORT_SCIFA,
- .irqs = SCIx_IRQ_MUXED(gic_spi(102)),
-};
-
-static struct platform_device scif2_device = {
- .name = "sh-sci",
- .id = 2,
- .dev = {
- .platform_data = &scif2_platform_data,
- },
-};
-
-/* SCIFA3 */
-static struct plat_sci_port scif3_platform_data = {
- .mapbase = 0xe6c70000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE,
- .scbrr_algo_id = SCBRR_ALGO_4,
- .type = PORT_SCIFA,
- .irqs = SCIx_IRQ_MUXED(gic_spi(103)),
-};
-
-static struct platform_device scif3_device = {
- .name = "sh-sci",
- .id = 3,
- .dev = {
- .platform_data = &scif3_platform_data,
- },
-};
-
-/* SCIFA4 */
-static struct plat_sci_port scif4_platform_data = {
- .mapbase = 0xe6c80000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE,
- .scbrr_algo_id = SCBRR_ALGO_4,
- .type = PORT_SCIFA,
- .irqs = SCIx_IRQ_MUXED(gic_spi(104)),
-};
-
-static struct platform_device scif4_device = {
- .name = "sh-sci",
- .id = 4,
- .dev = {
- .platform_data = &scif4_platform_data,
- },
-};
-
-/* SCIFA5 */
-static struct plat_sci_port scif5_platform_data = {
- .mapbase = 0xe6cb0000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE,
- .scbrr_algo_id = SCBRR_ALGO_4,
- .type = PORT_SCIFA,
- .irqs = SCIx_IRQ_MUXED(gic_spi(105)),
-};
-
-static struct platform_device scif5_device = {
- .name = "sh-sci",
- .id = 5,
- .dev = {
- .platform_data = &scif5_platform_data,
- },
-};
-
-/* SCIFA6 */
-static struct plat_sci_port scif6_platform_data = {
- .mapbase = 0xe6cc0000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE,
- .scbrr_algo_id = SCBRR_ALGO_4,
- .type = PORT_SCIFA,
- .irqs = SCIx_IRQ_MUXED(gic_spi(106)),
-};
-
-static struct platform_device scif6_device = {
- .name = "sh-sci",
- .id = 6,
- .dev = {
- .platform_data = &scif6_platform_data,
- },
-};
-
-/* SCIFA7 */
-static struct plat_sci_port scif7_platform_data = {
- .mapbase = 0xe6cd0000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE,
- .scbrr_algo_id = SCBRR_ALGO_4,
- .type = PORT_SCIFA,
- .irqs = SCIx_IRQ_MUXED(gic_spi(107)),
-};
-
-static struct platform_device scif7_device = {
- .name = "sh-sci",
- .id = 7,
- .dev = {
- .platform_data = &scif7_platform_data,
- },
-};
-
-/* SCIFB */
-static struct plat_sci_port scifb_platform_data = {
- .mapbase = 0xe6c30000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE,
- .scbrr_algo_id = SCBRR_ALGO_4,
- .type = PORT_SCIFB,
- .irqs = SCIx_IRQ_MUXED(gic_spi(108)),
-};
+/* SCIF */
+#define R8A7740_SCIF(scif_type, index, baseaddr, irq) \
+static struct plat_sci_port scif##index##_platform_data = { \
+ .type = scif_type, \
+ .flags = UPF_BOOT_AUTOCONF, \
+ .scscr = SCSCR_RE | SCSCR_TE, \
+}; \
+ \
+static struct resource scif##index##_resources[] = { \
+ DEFINE_RES_MEM(baseaddr, 0x100), \
+ DEFINE_RES_IRQ(irq), \
+}; \
+ \
+static struct platform_device scif##index##_device = { \
+ .name = "sh-sci", \
+ .id = index, \
+ .resource = scif##index##_resources, \
+ .num_resources = ARRAY_SIZE(scif##index##_resources), \
+ .dev = { \
+ .platform_data = &scif##index##_platform_data, \
+ }, \
+}
-static struct platform_device scifb_device = {
- .name = "sh-sci",
- .id = 8,
- .dev = {
- .platform_data = &scifb_platform_data,
- },
-};
+R8A7740_SCIF(PORT_SCIFA, 0, 0xe6c40000, gic_spi(100));
+R8A7740_SCIF(PORT_SCIFA, 1, 0xe6c50000, gic_spi(101));
+R8A7740_SCIF(PORT_SCIFA, 2, 0xe6c60000, gic_spi(102));
+R8A7740_SCIF(PORT_SCIFA, 3, 0xe6c70000, gic_spi(103));
+R8A7740_SCIF(PORT_SCIFA, 4, 0xe6c80000, gic_spi(104));
+R8A7740_SCIF(PORT_SCIFA, 5, 0xe6cb0000, gic_spi(105));
+R8A7740_SCIF(PORT_SCIFA, 6, 0xe6cc0000, gic_spi(106));
+R8A7740_SCIF(PORT_SCIFA, 7, 0xe6cd0000, gic_spi(107));
+R8A7740_SCIF(PORT_SCIFB, 8, 0xe6c30000, gic_spi(108));
/* CMT */
-static struct sh_timer_config cmt10_platform_data = {
- .name = "CMT10",
- .channel_offset = 0x10,
- .timer_bit = 0,
- .clockevent_rating = 125,
- .clocksource_rating = 125,
+static struct sh_timer_config cmt1_platform_data = {
+ .channels_mask = 0x3f,
};
-static struct resource cmt10_resources[] = {
- [0] = {
- .name = "CMT10",
- .start = 0xe6138010,
- .end = 0xe613801b,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = gic_spi(58),
- .flags = IORESOURCE_IRQ,
- },
+static struct resource cmt1_resources[] = {
+ DEFINE_RES_MEM(0xe6138000, 0x170),
+ DEFINE_RES_IRQ(gic_spi(58)),
};
-static struct platform_device cmt10_device = {
- .name = "sh_cmt",
- .id = 10,
+static struct platform_device cmt1_device = {
+ .name = "sh-cmt-48",
+ .id = 1,
.dev = {
- .platform_data = &cmt10_platform_data,
+ .platform_data = &cmt1_platform_data,
},
- .resource = cmt10_resources,
- .num_resources = ARRAY_SIZE(cmt10_resources),
+ .resource = cmt1_resources,
+ .num_resources = ARRAY_SIZE(cmt1_resources),
};
/* TMU */
-static struct sh_timer_config tmu00_platform_data = {
- .name = "TMU00",
- .channel_offset = 0x4,
- .timer_bit = 0,
- .clockevent_rating = 200,
+static struct sh_timer_config tmu0_platform_data = {
+ .channels_mask = 7,
};
-static struct resource tmu00_resources[] = {
- [0] = {
- .name = "TMU00",
- .start = 0xfff80008,
- .end = 0xfff80014 - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = gic_spi(198),
- .flags = IORESOURCE_IRQ,
- },
+static struct resource tmu0_resources[] = {
+ DEFINE_RES_MEM(0xfff80000, 0x2c),
+ DEFINE_RES_IRQ(gic_spi(198)),
+ DEFINE_RES_IRQ(gic_spi(199)),
+ DEFINE_RES_IRQ(gic_spi(200)),
};
-static struct platform_device tmu00_device = {
- .name = "sh_tmu",
+static struct platform_device tmu0_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 = 0xfff80014,
- .end = 0xfff80020 - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = gic_spi(199),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device tmu01_device = {
- .name = "sh_tmu",
- .id = 1,
- .dev = {
- .platform_data = &tmu01_platform_data,
+ .platform_data = &tmu0_platform_data,
},
- .resource = tmu01_resources,
- .num_resources = ARRAY_SIZE(tmu01_resources),
-};
-
-static struct sh_timer_config tmu02_platform_data = {
- .name = "TMU02",
- .channel_offset = 0x1C,
- .timer_bit = 2,
- .clocksource_rating = 200,
-};
-
-static struct resource tmu02_resources[] = {
- [0] = {
- .name = "TMU02",
- .start = 0xfff80020,
- .end = 0xfff8002C - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = gic_spi(200),
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device tmu02_device = {
- .name = "sh_tmu",
- .id = 2,
- .dev = {
- .platform_data = &tmu02_platform_data,
- },
- .resource = tmu02_resources,
- .num_resources = ARRAY_SIZE(tmu02_resources),
+ .resource = tmu0_resources,
+ .num_resources = ARRAY_SIZE(tmu0_resources),
};
/* IPMMUI (an IPMMU module for ICB/LMB) */
@@ -526,8 +318,8 @@ static struct platform_device *r8a7740_devices_dt[] __initdata = {
&scif5_device,
&scif6_device,
&scif7_device,
- &scifb_device,
- &cmt10_device,
+ &scif8_device,
+ &cmt1_device,
};
static struct platform_device *r8a7740_early_devices[] __initdata = {
@@ -535,9 +327,7 @@ static struct platform_device *r8a7740_early_devices[] __initdata = {
&irqpin1_device,
&irqpin2_device,
&irqpin3_device,
- &tmu00_device,
- &tmu01_device,
- &tmu02_device,
+ &tmu0_device,
&ipmmu_device,
};
@@ -588,6 +378,16 @@ static const struct sh_dmae_slave_config r8a7740_dmae_slaves[] = {
.addr = 0xfe1f0064,
.chcr = CHCR_TX(XMIT_SZ_32BIT),
.mid_rid = 0xb5,
+ }, {
+ .slave_id = SHDMA_SLAVE_MMCIF_TX,
+ .addr = 0xe6bd0034,
+ .chcr = CHCR_TX(XMIT_SZ_32BIT),
+ .mid_rid = 0xd1,
+ }, {
+ .slave_id = SHDMA_SLAVE_MMCIF_RX,
+ .addr = 0xe6bd0034,
+ .chcr = CHCR_RX(XMIT_SZ_32BIT),
+ .mid_rid = 0xd2,
},
};
@@ -882,7 +682,7 @@ static struct platform_device *r8a7740_late_devices[] __initdata = {
* "Media RAM (MERAM)" on r8a7740 documentation
*/
#define MEBUFCNTR 0xFE950098
-void r8a7740_meram_workaround(void)
+void __init r8a7740_meram_workaround(void)
{
void __iomem *reg;
@@ -969,7 +769,7 @@ void __init r8a7740_add_standard_devices(void)
rmobile_add_device_to_domain("A3SP", &scif5_device);
rmobile_add_device_to_domain("A3SP", &scif6_device);
rmobile_add_device_to_domain("A3SP", &scif7_device);
- rmobile_add_device_to_domain("A3SP", &scifb_device);
+ rmobile_add_device_to_domain("A3SP", &scif8_device);
rmobile_add_device_to_domain("A3SP", &i2c1_device);
}
@@ -986,22 +786,42 @@ void __init r8a7740_add_early_devices(void)
#ifdef CONFIG_USE_OF
-static const struct of_dev_auxdata r8a7740_auxdata_lookup[] __initconst = {
- { }
-};
-
void __init r8a7740_add_standard_devices_dt(void)
{
platform_add_devices(r8a7740_devices_dt,
ARRAY_SIZE(r8a7740_devices_dt));
- of_platform_populate(NULL, of_default_bus_match_table,
- r8a7740_auxdata_lookup, NULL);
+ of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
}
-void __init r8a7740_init_delay(void)
+void __init r8a7740_init_irq_of(void)
{
- shmobile_setup_delay(800, 1, 3); /* Cortex-A9 @ 800MHz */
-};
+ void __iomem *intc_prio_base = ioremap_nocache(0xe6900010, 0x10);
+ void __iomem *intc_msk_base = ioremap_nocache(0xe6900040, 0x10);
+ void __iomem *pfc_inta_ctrl = ioremap_nocache(0xe605807c, 0x4);
+
+ irqchip_init();
+
+ /* route signals to GIC */
+ iowrite32(0x0, pfc_inta_ctrl);
+
+ /*
+ * To mask the shared interrupt to SPI 149 we must ensure to set
+ * PRIO *and* MASK. Else we run into IRQ floods when registering
+ * the intc_irqpin devices
+ */
+ iowrite32(0x0, intc_prio_base + 0x0);
+ iowrite32(0x0, intc_prio_base + 0x4);
+ iowrite32(0x0, intc_prio_base + 0x8);
+ iowrite32(0x0, intc_prio_base + 0xc);
+ iowrite8(0xff, intc_msk_base + 0x0);
+ iowrite8(0xff, intc_msk_base + 0x4);
+ iowrite8(0xff, intc_msk_base + 0x8);
+ iowrite8(0xff, intc_msk_base + 0xc);
+
+ iounmap(intc_prio_base);
+ iounmap(intc_msk_base);
+ iounmap(pfc_inta_ctrl);
+}
static void __init r8a7740_generic_init(void)
{
@@ -1016,10 +836,10 @@ static const char *r8a7740_boards_compat_dt[] __initdata = {
DT_MACHINE_START(R8A7740_DT, "Generic R8A7740 (Flattened Device Tree)")
.map_io = r8a7740_map_io,
- .init_early = r8a7740_init_delay,
+ .init_early = shmobile_init_delay,
.init_irq = r8a7740_init_irq_of,
.init_machine = r8a7740_generic_init,
- .init_time = shmobile_timer_init,
+ .init_late = shmobile_init_late,
.dt_compat = r8a7740_boards_compat_dt,
MACHINE_END
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 10:54:25 +0000