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Diffstat (limited to 'arch/arm/mach-shmobile/setup-emev2.c')
-rw-r--r--arch/arm/mach-shmobile/setup-emev2.c381
1 files changed, 66 insertions, 315 deletions
diff --git a/arch/arm/mach-shmobile/setup-emev2.c b/arch/arm/mach-shmobile/setup-emev2.c
index 1ccddd228112..1553af8e04ff 100644
--- a/arch/arm/mach-shmobile/setup-emev2.c
+++ b/arch/arm/mach-shmobile/setup-emev2.c
@@ -20,7 +20,6 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
-#include <linux/irqchip.h>
#include <linux/platform_device.h>
#include <linux/platform_data/gpio-em.h>
#include <linux/of_platform.h>
@@ -39,13 +38,6 @@
static struct map_desc emev2_io_desc[] __initdata = {
#ifdef CONFIG_SMP
- /* 128K entity map for 0xe0100000 (SMU) */
- {
- .virtual = 0xe0100000,
- .pfn = __phys_to_pfn(0xe0100000),
- .length = SZ_128K,
- .type = MT_DEVICE
- },
/* 2M mapping for SCU + L2 controller */
{
.virtual = 0xf0000000,
@@ -63,102 +55,40 @@ void __init emev2_map_io(void)
/* UART */
static struct resource uart0_resources[] = {
- [0] = {
- .start = 0xe1020000,
- .end = 0xe1020037,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 40,
- .flags = IORESOURCE_IRQ,
- }
-};
-
-static struct platform_device uart0_device = {
- .name = "serial8250-em",
- .id = 0,
- .num_resources = ARRAY_SIZE(uart0_resources),
- .resource = uart0_resources,
+ DEFINE_RES_MEM(0xe1020000, 0x38),
+ DEFINE_RES_IRQ(40),
};
static struct resource uart1_resources[] = {
- [0] = {
- .start = 0xe1030000,
- .end = 0xe1030037,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 41,
- .flags = IORESOURCE_IRQ,
- }
-};
-
-static struct platform_device uart1_device = {
- .name = "serial8250-em",
- .id = 1,
- .num_resources = ARRAY_SIZE(uart1_resources),
- .resource = uart1_resources,
+ DEFINE_RES_MEM(0xe1030000, 0x38),
+ DEFINE_RES_IRQ(41),
};
static struct resource uart2_resources[] = {
- [0] = {
- .start = 0xe1040000,
- .end = 0xe1040037,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 42,
- .flags = IORESOURCE_IRQ,
- }
-};
-
-static struct platform_device uart2_device = {
- .name = "serial8250-em",
- .id = 2,
- .num_resources = ARRAY_SIZE(uart2_resources),
- .resource = uart2_resources,
+ DEFINE_RES_MEM(0xe1040000, 0x38),
+ DEFINE_RES_IRQ(42),
};
static struct resource uart3_resources[] = {
- [0] = {
- .start = 0xe1050000,
- .end = 0xe1050037,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 43,
- .flags = IORESOURCE_IRQ,
- }
+ DEFINE_RES_MEM(0xe1050000, 0x38),
+ DEFINE_RES_IRQ(43),
};
-static struct platform_device uart3_device = {
- .name = "serial8250-em",
- .id = 3,
- .num_resources = ARRAY_SIZE(uart3_resources),
- .resource = uart3_resources,
-};
+#define emev2_register_uart(idx) \
+ platform_device_register_simple("serial8250-em", idx, \
+ uart##idx##_resources, \
+ ARRAY_SIZE(uart##idx##_resources))
/* STI */
static struct resource sti_resources[] = {
- [0] = {
- .name = "STI",
- .start = 0xe0180000,
- .end = 0xe0180053,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = 157,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device sti_device = {
- .name = "em_sti",
- .id = 0,
- .resource = sti_resources,
- .num_resources = ARRAY_SIZE(sti_resources),
+ DEFINE_RES_MEM(0xe0180000, 0x54),
+ DEFINE_RES_IRQ(157),
};
+#define emev2_register_sti() \
+ platform_device_register_simple("em_sti", 0, \
+ sti_resources, \
+ ARRAY_SIZE(sti_resources))
/* GIO */
static struct gpio_em_config gio0_config = {
@@ -168,36 +98,10 @@ static struct gpio_em_config gio0_config = {
};
static struct resource gio0_resources[] = {
- [0] = {
- .name = "GIO_000",
- .start = 0xe0050000,
- .end = 0xe005002b,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .name = "GIO_000",
- .start = 0xe0050040,
- .end = 0xe005005f,
- .flags = IORESOURCE_MEM,
- },
- [2] = {
- .start = 99,
- .flags = IORESOURCE_IRQ,
- },
- [3] = {
- .start = 100,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device gio0_device = {
- .name = "em_gio",
- .id = 0,
- .resource = gio0_resources,
- .num_resources = ARRAY_SIZE(gio0_resources),
- .dev = {
- .platform_data = &gio0_config,
- },
+ DEFINE_RES_MEM(0xe0050000, 0x2c),
+ DEFINE_RES_MEM(0xe0050040, 0x20),
+ DEFINE_RES_IRQ(99),
+ DEFINE_RES_IRQ(100),
};
static struct gpio_em_config gio1_config = {
@@ -207,36 +111,10 @@ static struct gpio_em_config gio1_config = {
};
static struct resource gio1_resources[] = {
- [0] = {
- .name = "GIO_032",
- .start = 0xe0050080,
- .end = 0xe00500ab,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .name = "GIO_032",
- .start = 0xe00500c0,
- .end = 0xe00500df,
- .flags = IORESOURCE_MEM,
- },
- [2] = {
- .start = 101,
- .flags = IORESOURCE_IRQ,
- },
- [3] = {
- .start = 102,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device gio1_device = {
- .name = "em_gio",
- .id = 1,
- .resource = gio1_resources,
- .num_resources = ARRAY_SIZE(gio1_resources),
- .dev = {
- .platform_data = &gio1_config,
- },
+ DEFINE_RES_MEM(0xe0050080, 0x2c),
+ DEFINE_RES_MEM(0xe00500c0, 0x20),
+ DEFINE_RES_IRQ(101),
+ DEFINE_RES_IRQ(102),
};
static struct gpio_em_config gio2_config = {
@@ -246,36 +124,10 @@ static struct gpio_em_config gio2_config = {
};
static struct resource gio2_resources[] = {
- [0] = {
- .name = "GIO_064",
- .start = 0xe0050100,
- .end = 0xe005012b,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .name = "GIO_064",
- .start = 0xe0050140,
- .end = 0xe005015f,
- .flags = IORESOURCE_MEM,
- },
- [2] = {
- .start = 103,
- .flags = IORESOURCE_IRQ,
- },
- [3] = {
- .start = 104,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device gio2_device = {
- .name = "em_gio",
- .id = 2,
- .resource = gio2_resources,
- .num_resources = ARRAY_SIZE(gio2_resources),
- .dev = {
- .platform_data = &gio2_config,
- },
+ DEFINE_RES_MEM(0xe0050100, 0x2c),
+ DEFINE_RES_MEM(0xe0050140, 0x20),
+ DEFINE_RES_IRQ(103),
+ DEFINE_RES_IRQ(104),
};
static struct gpio_em_config gio3_config = {
@@ -285,36 +137,10 @@ static struct gpio_em_config gio3_config = {
};
static struct resource gio3_resources[] = {
- [0] = {
- .name = "GIO_096",
- .start = 0xe0050180,
- .end = 0xe00501ab,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .name = "GIO_096",
- .start = 0xe00501c0,
- .end = 0xe00501df,
- .flags = IORESOURCE_MEM,
- },
- [2] = {
- .start = 105,
- .flags = IORESOURCE_IRQ,
- },
- [3] = {
- .start = 106,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device gio3_device = {
- .name = "em_gio",
- .id = 3,
- .resource = gio3_resources,
- .num_resources = ARRAY_SIZE(gio3_resources),
- .dev = {
- .platform_data = &gio3_config,
- },
+ DEFINE_RES_MEM(0xe0050180, 0x2c),
+ DEFINE_RES_MEM(0xe00501c0, 0x20),
+ DEFINE_RES_IRQ(105),
+ DEFINE_RES_IRQ(106),
};
static struct gpio_em_config gio4_config = {
@@ -324,126 +150,53 @@ static struct gpio_em_config gio4_config = {
};
static struct resource gio4_resources[] = {
- [0] = {
- .name = "GIO_128",
- .start = 0xe0050200,
- .end = 0xe005022b,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .name = "GIO_128",
- .start = 0xe0050240,
- .end = 0xe005025f,
- .flags = IORESOURCE_MEM,
- },
- [2] = {
- .start = 107,
- .flags = IORESOURCE_IRQ,
- },
- [3] = {
- .start = 108,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_MEM(0xe0050200, 0x2c),
+ DEFINE_RES_MEM(0xe0050240, 0x20),
+ DEFINE_RES_IRQ(107),
+ DEFINE_RES_IRQ(108),
};
-static struct platform_device gio4_device = {
- .name = "em_gio",
- .id = 4,
- .resource = gio4_resources,
- .num_resources = ARRAY_SIZE(gio4_resources),
- .dev = {
- .platform_data = &gio4_config,
- },
-};
+#define emev2_register_gio(idx) \
+ platform_device_register_resndata(&platform_bus, "em_gio", \
+ idx, gio##idx##_resources, \
+ ARRAY_SIZE(gio##idx##_resources), \
+ &gio##idx##_config, \
+ sizeof(struct gpio_em_config))
static struct resource pmu_resources[] = {
- [0] = {
- .start = 152,
- .end = 152,
- .flags = IORESOURCE_IRQ,
- },
- [1] = {
- .start = 153,
- .end = 153,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-static struct platform_device pmu_device = {
- .name = "arm-pmu",
- .id = -1,
- .num_resources = ARRAY_SIZE(pmu_resources),
- .resource = pmu_resources,
+ DEFINE_RES_IRQ(152),
+ DEFINE_RES_IRQ(153),
};
-static struct platform_device *emev2_early_devices[] __initdata = {
- &uart0_device,
- &uart1_device,
- &uart2_device,
- &uart3_device,
-};
-
-static struct platform_device *emev2_late_devices[] __initdata = {
- &sti_device,
- &gio0_device,
- &gio1_device,
- &gio2_device,
- &gio3_device,
- &gio4_device,
- &pmu_device,
-};
+#define emev2_register_pmu() \
+ platform_device_register_simple("arm-pmu", -1, \
+ pmu_resources, \
+ ARRAY_SIZE(pmu_resources))
void __init emev2_add_standard_devices(void)
{
- emev2_clock_init();
-
- platform_add_devices(emev2_early_devices,
- ARRAY_SIZE(emev2_early_devices));
-
- platform_add_devices(emev2_late_devices,
- ARRAY_SIZE(emev2_late_devices));
+ if (!IS_ENABLED(CONFIG_COMMON_CLK))
+ emev2_clock_init();
+
+ emev2_register_uart(0);
+ emev2_register_uart(1);
+ emev2_register_uart(2);
+ emev2_register_uart(3);
+ emev2_register_sti();
+ emev2_register_gio(0);
+ emev2_register_gio(1);
+ emev2_register_gio(2);
+ emev2_register_gio(3);
+ emev2_register_gio(4);
+ emev2_register_pmu();
}
-static void __init emev2_init_delay(void)
+void __init emev2_init_delay(void)
{
shmobile_setup_delay(533, 1, 3); /* Cortex-A9 @ 533MHz */
}
-void __init emev2_add_early_devices(void)
-{
- emev2_init_delay();
-
- early_platform_add_devices(emev2_early_devices,
- ARRAY_SIZE(emev2_early_devices));
-
- /* setup early console here as well */
- shmobile_setup_console();
-}
-
-void __init emev2_init_irq(void)
-{
- void __iomem *gic_dist_base;
- void __iomem *gic_cpu_base;
-
- /* Static mappings, never released */
- gic_dist_base = ioremap(0xe0028000, PAGE_SIZE);
- gic_cpu_base = ioremap(0xe0020000, PAGE_SIZE);
- BUG_ON(!gic_dist_base || !gic_cpu_base);
-
- /* Use GIC to handle interrupts */
- gic_init(0, 29, gic_dist_base, gic_cpu_base);
-}
-
#ifdef CONFIG_USE_OF
-static const struct of_dev_auxdata emev2_auxdata_lookup[] __initconst = {
- { }
-};
-
-static void __init emev2_add_standard_devices_dt(void)
-{
- of_platform_populate(NULL, of_default_bus_match_table,
- emev2_auxdata_lookup, NULL);
-}
static const char *emev2_boards_compat_dt[] __initdata = {
"renesas,emev2",
@@ -452,10 +205,8 @@ static const char *emev2_boards_compat_dt[] __initdata = {
DT_MACHINE_START(EMEV2_DT, "Generic Emma Mobile EV2 (Flattened Device Tree)")
.smp = smp_ops(emev2_smp_ops),
+ .map_io = emev2_map_io,
.init_early = emev2_init_delay,
- .nr_irqs = NR_IRQS_LEGACY,
- .init_irq = irqchip_init,
- .init_machine = emev2_add_standard_devices_dt,
.dt_compat = emev2_boards_compat_dt,
MACHINE_END
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-13 04:25:31 +0300