/*
* SH-X3 Prototype Setup
*
- * Copyright (C) 2007 - 2009 Paul Mundt
+ * Copyright (C) 2007 - 2010 Paul Mundt
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
#include <linux/serial.h>
#include <linux/serial_sci.h>
#include <linux/io.h>
+#include <linux/gpio.h>
#include <linux/sh_timer.h>
+#include <cpu/shx3.h>
#include <asm/mmzone.h>
-static struct plat_sci_port sci_platform_data[] = {
- {
- .mapbase = 0xffc30000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
- .scbrr_algo_id = SCBRR_ALGO_2,
- .type = PORT_SCIF,
- .irqs = { 40, 41, 43, 42 },
- }, {
- .mapbase = 0xffc40000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
- .scbrr_algo_id = SCBRR_ALGO_2,
- .type = PORT_SCIF,
- .irqs = { 44, 45, 47, 46 },
- }, {
- .mapbase = 0xffc50000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
- .scbrr_algo_id = SCBRR_ALGO_2,
- .type = PORT_SCIF,
- .irqs = { 48, 49, 51, 50 },
- }, {
- .mapbase = 0xffc60000,
- .flags = UPF_BOOT_AUTOCONF,
- .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
- .scbrr_algo_id = SCBRR_ALGO_2,
- .type = PORT_SCIF,
- .irqs = { 52, 53, 55, 54 },
- }, {
- .flags = 0,
- }
+/*
+ * This intentionally only registers SCIF ports 0, 1, and 3. SCIF 2
+ * INTEVT values overlap with the FPU EXPEVT ones, requiring special
+ * demuxing in the exception dispatch path.
+ *
+ * As this overlap is something that never should have made it in to
+ * silicon in the first place, we just refuse to deal with the port at
+ * all rather than adding infrastructure to hack around it.
+ */
+static struct plat_sci_port scif0_platform_data = {
+ .mapbase = 0xffc30000,
+ .flags = UPF_BOOT_AUTOCONF,
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+ .scbrr_algo_id = SCBRR_ALGO_2,
+ .type = PORT_SCIF,
+ .irqs = { 40, 41, 43, 42 },
+};
+
+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 = 0xffc40000,
+ .flags = UPF_BOOT_AUTOCONF,
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+ .scbrr_algo_id = SCBRR_ALGO_2,
+ .type = PORT_SCIF,
+ .irqs = { 44, 45, 47, 46 },
+};
+
+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 = 0xffc60000,
+ .flags = UPF_BOOT_AUTOCONF,
+ .scscr = SCSCR_RE | SCSCR_TE | SCSCR_REIE,
+ .scbrr_algo_id = SCBRR_ALGO_2,
+ .type = PORT_SCIF,
+ .irqs = { 52, 53, 55, 54 },
};
-static struct platform_device sci_device = {
+static struct platform_device scif2_device = {
.name = "sh-sci",
- .id = -1,
+ .id = 2,
.dev = {
- .platform_data = sci_platform_data,
+ .platform_data = &scif2_platform_data,
},
};
static struct sh_timer_config tmu0_platform_data = {
- .name = "TMU0",
.channel_offset = 0x04,
.timer_bit = 0,
- .clk = "peripheral_clk",
.clockevent_rating = 200,
};
static struct resource tmu0_resources[] = {
[0] = {
- .name = "TMU0",
.start = 0xffc10008,
.end = 0xffc10013,
.flags = IORESOURCE_MEM,
};
static struct sh_timer_config tmu1_platform_data = {
- .name = "TMU1",
.channel_offset = 0x10,
.timer_bit = 1,
- .clk = "peripheral_clk",
.clocksource_rating = 200,
};
static struct resource tmu1_resources[] = {
[0] = {
- .name = "TMU1",
.start = 0xffc10014,
.end = 0xffc1001f,
.flags = IORESOURCE_MEM,
};
static struct sh_timer_config tmu2_platform_data = {
- .name = "TMU2",
.channel_offset = 0x1c,
.timer_bit = 2,
- .clk = "peripheral_clk",
};
static struct resource tmu2_resources[] = {
[0] = {
- .name = "TMU2",
.start = 0xffc10020,
.end = 0xffc1002f,
.flags = IORESOURCE_MEM,
};
static struct sh_timer_config tmu3_platform_data = {
- .name = "TMU3",
.channel_offset = 0x04,
.timer_bit = 0,
- .clk = "peripheral_clk",
};
static struct resource tmu3_resources[] = {
[0] = {
- .name = "TMU3",
.start = 0xffc20008,
.end = 0xffc20013,
.flags = IORESOURCE_MEM,
};
static struct sh_timer_config tmu4_platform_data = {
- .name = "TMU4",
.channel_offset = 0x10,
.timer_bit = 1,
- .clk = "peripheral_clk",
};
static struct resource tmu4_resources[] = {
[0] = {
- .name = "TMU4",
.start = 0xffc20014,
.end = 0xffc2001f,
.flags = IORESOURCE_MEM,
};
static struct sh_timer_config tmu5_platform_data = {
- .name = "TMU5",
.channel_offset = 0x1c,
.timer_bit = 2,
- .clk = "peripheral_clk",
};
static struct resource tmu5_resources[] = {
[0] = {
- .name = "TMU5",
.start = 0xffc20020,
.end = 0xffc2002b,
.flags = IORESOURCE_MEM,
};
static struct platform_device *shx3_early_devices[] __initdata = {
+ &scif0_device,
+ &scif1_device,
+ &scif2_device,
&tmu0_device,
&tmu1_device,
&tmu2_device,
&tmu5_device,
};
-static struct platform_device *shx3_devices[] __initdata = {
- &sci_device,
-};
-
static int __init shx3_devices_setup(void)
{
- int ret;
-
- ret = platform_add_devices(shx3_early_devices,
+ return platform_add_devices(shx3_early_devices,
ARRAY_SIZE(shx3_early_devices));
- if (unlikely(ret != 0))
- return ret;
-
- return platform_add_devices(shx3_devices,
- ARRAY_SIZE(shx3_devices));
}
-__initcall(shx3_devices_setup);
+arch_initcall(shx3_devices_setup);
void __init plat_early_device_setup(void)
{
DMAC1_DMINT6, DMAC1_DMINT7, DMAC1_DMINT8, DMAC1_DMINT9,
DMAC1_DMINT10, DMAC1_DMINT11, DMAC1_DMAE,
IIC, VIN0, VIN1, VCORE0, ATAPI,
- DTU0_TEND, DTU0_AE, DTU0_TMISS,
- DTU1_TEND, DTU1_AE, DTU1_TMISS,
- DTU2_TEND, DTU2_AE, DTU2_TMISS,
- DTU3_TEND, DTU3_AE, DTU3_TMISS,
+ DTU0, DTU1, DTU2, DTU3,
FE0, FE1,
GPIO0, GPIO1, GPIO2, GPIO3,
PAM, IRM,
/* interrupt groups */
IRL, PCII56789, SCIF0, SCIF1, SCIF2, SCIF3,
- DMAC0, DMAC1, DTU0, DTU1, DTU2, DTU3,
+ DMAC0, DMAC1,
};
static struct intc_vect vectors[] __initdata = {
INTC_VECT(SCIF0_BRI, 0x740), INTC_VECT(SCIF0_TXI, 0x760),
INTC_VECT(SCIF1_ERI, 0x780), INTC_VECT(SCIF1_RXI, 0x7a0),
INTC_VECT(SCIF1_BRI, 0x7c0), INTC_VECT(SCIF1_TXI, 0x7e0),
- INTC_VECT(SCIF2_ERI, 0x800), INTC_VECT(SCIF2_RXI, 0x820),
- INTC_VECT(SCIF2_BRI, 0x840), INTC_VECT(SCIF2_TXI, 0x860),
INTC_VECT(SCIF3_ERI, 0x880), INTC_VECT(SCIF3_RXI, 0x8a0),
INTC_VECT(SCIF3_BRI, 0x8c0), INTC_VECT(SCIF3_TXI, 0x8e0),
INTC_VECT(DMAC0_DMINT0, 0x900), INTC_VECT(DMAC0_DMINT1, 0x920),
INTC_VECT(IIC, 0xae0),
INTC_VECT(VIN0, 0xb00), INTC_VECT(VIN1, 0xb20),
INTC_VECT(VCORE0, 0xb00), INTC_VECT(ATAPI, 0xb60),
- INTC_VECT(DTU0_TEND, 0xc00), INTC_VECT(DTU0_AE, 0xc20),
- INTC_VECT(DTU0_TMISS, 0xc40),
- INTC_VECT(DTU1_TEND, 0xc60), INTC_VECT(DTU1_AE, 0xc80),
- INTC_VECT(DTU1_TMISS, 0xca0),
- INTC_VECT(DTU2_TEND, 0xcc0), INTC_VECT(DTU2_AE, 0xce0),
- INTC_VECT(DTU2_TMISS, 0xd00),
- INTC_VECT(DTU3_TEND, 0xd20), INTC_VECT(DTU3_AE, 0xd40),
- INTC_VECT(DTU3_TMISS, 0xd60),
+ INTC_VECT(DTU0, 0xc00), INTC_VECT(DTU0, 0xc20),
+ INTC_VECT(DTU0, 0xc40),
+ INTC_VECT(DTU1, 0xc60), INTC_VECT(DTU1, 0xc80),
+ INTC_VECT(DTU1, 0xca0),
+ INTC_VECT(DTU2, 0xcc0), INTC_VECT(DTU2, 0xce0),
+ INTC_VECT(DTU2, 0xd00),
+ INTC_VECT(DTU3, 0xd20), INTC_VECT(DTU3, 0xd40),
+ INTC_VECT(DTU3, 0xd60),
INTC_VECT(FE0, 0xe00), INTC_VECT(FE1, 0xe20),
INTC_VECT(GPIO0, 0xe40), INTC_VECT(GPIO1, 0xe60),
INTC_VECT(GPIO2, 0xe80), INTC_VECT(GPIO3, 0xea0),
INTC_GROUP(PCII56789, PCII5, PCII6, PCII7, PCII8, PCII9),
INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),
INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),
- INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI),
INTC_GROUP(SCIF3, SCIF3_ERI, SCIF3_RXI, SCIF3_BRI, SCIF3_TXI),
INTC_GROUP(DMAC0, DMAC0_DMINT0, DMAC0_DMINT1, DMAC0_DMINT2,
DMAC0_DMINT3, DMAC0_DMINT4, DMAC0_DMINT5, DMAC0_DMAE),
INTC_GROUP(DMAC1, DMAC1_DMINT6, DMAC1_DMINT7, DMAC1_DMINT8,
DMAC1_DMINT9, DMAC1_DMINT10, DMAC1_DMINT11),
- INTC_GROUP(DTU0, DTU0_TEND, DTU0_AE, DTU0_TMISS),
- INTC_GROUP(DTU1, DTU1_TEND, DTU1_AE, DTU1_TMISS),
- INTC_GROUP(DTU2, DTU2_TEND, DTU2_AE, DTU2_TMISS),
- INTC_GROUP(DTU3, DTU3_TEND, DTU3_AE, DTU3_TMISS),
};
+#define INT2DISTCR0 0xfe4108a0
+#define INT2DISTCR1 0xfe4108a4
+#define INT2DISTCR2 0xfe4108a8
+
static struct intc_mask_reg mask_registers[] __initdata = {
{ 0xfe410030, 0xfe410050, 32, /* CnINTMSK0 / CnINTMSKCLR0 */
{ IRQ0, IRQ1, IRQ2, IRQ3 } },
{ FE1, FE0, 0, ATAPI, VCORE0, VIN1, VIN0, IIC,
DU, GPIO3, GPIO2, GPIO1, GPIO0, PAM, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, /* HUDI bits ignored */
- 0, TMU5, TMU4, TMU3, TMU2, TMU1, TMU0, 0, } },
+ 0, TMU5, TMU4, TMU3, TMU2, TMU1, TMU0, 0, },
+ INTC_SMP_BALANCING(INT2DISTCR0) },
{ 0xfe410830, 0xfe410860, 32, /* CnINT2MSK1 / CnINT2MSKCLR1 */
{ 0, 0, 0, 0, DTU3, DTU2, DTU1, DTU0, /* IRM bits ignored */
PCII9, PCII8, PCII7, PCII6, PCII5, PCII4, PCII3, PCII2,
PCII1, PCII0, DMAC1_DMAE, DMAC1_DMINT11,
DMAC1_DMINT10, DMAC1_DMINT9, DMAC1_DMINT8, DMAC1_DMINT7,
DMAC1_DMINT6, DMAC0_DMAE, DMAC0_DMINT5, DMAC0_DMINT4,
- DMAC0_DMINT3, DMAC0_DMINT2, DMAC0_DMINT1, DMAC0_DMINT0 } },
+ DMAC0_DMINT3, DMAC0_DMINT2, DMAC0_DMINT1, DMAC0_DMINT0 },
+ INTC_SMP_BALANCING(INT2DISTCR1) },
{ 0xfe410840, 0xfe410870, 32, /* CnINT2MSK2 / CnINT2MSKCLR2 */
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
SCIF3_TXI, SCIF3_BRI, SCIF3_RXI, SCIF3_ERI,
SCIF2_TXI, SCIF2_BRI, SCIF2_RXI, SCIF2_ERI,
SCIF1_TXI, SCIF1_BRI, SCIF1_RXI, SCIF1_ERI,
- SCIF0_TXI, SCIF0_BRI, SCIF0_RXI, SCIF0_ERI } },
+ SCIF0_TXI, SCIF0_BRI, SCIF0_RXI, SCIF0_ERI },
+ INTC_SMP_BALANCING(INT2DISTCR2) },
};
static struct intc_prio_reg prio_registers[] __initdata = {
void __init plat_irq_setup_pins(int mode)
{
+ int ret = 0;
+
switch (mode) {
case IRQ_MODE_IRQ:
+ ret |= gpio_request(GPIO_FN_IRQ3, intc_desc_irq.name);
+ ret |= gpio_request(GPIO_FN_IRQ2, intc_desc_irq.name);
+ ret |= gpio_request(GPIO_FN_IRQ1, intc_desc_irq.name);
+ ret |= gpio_request(GPIO_FN_IRQ0, intc_desc_irq.name);
+
+ if (unlikely(ret)) {
+ pr_err("Failed to set IRQ mode\n");
+ return;
+ }
+
register_intc_controller(&intc_desc_irq);
break;
case IRQ_MODE_IRL3210:
+ ret |= gpio_request(GPIO_FN_IRL3, intc_desc_irl.name);
+ ret |= gpio_request(GPIO_FN_IRL2, intc_desc_irl.name);
+ ret |= gpio_request(GPIO_FN_IRL1, intc_desc_irl.name);
+ ret |= gpio_request(GPIO_FN_IRL0, intc_desc_irl.name);
+
+ if (unlikely(ret)) {
+ pr_err("Failed to set IRL mode\n");
+ return;
+ }
+
register_intc_controller(&intc_desc_irl);
break;
default:
void __init plat_irq_setup(void)
{
+ reserve_intc_vectors(vectors_irq, ARRAY_SIZE(vectors_irq));
+ reserve_intc_vectors(vectors_irl, ARRAY_SIZE(vectors_irl));
+
register_intc_controller(&intc_desc);
}
projects / cascardo / linux.git / blobdiff