ARM: mach-shmobile: Kota2 SCIFA2 and SMSC911X support

Kota2 base board support including the on-chip SCIFA2 serial console and the on-board SMSC911X ethernet port. The s73a0 SMP bits are also updated to include Kota2. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>

ARM: mach-shmobile: Kota2 SCIFA2 and SMSC911X support
Kota2 base board support including the on-chip SCIFA2 serial console and the on-board SMSC911X ethernet port. The s73a0 SMP bits are also updated to include Kota2. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Magnus Damm · Paul Mundt
1 parent c6a389f123
Showing 4 changed files with 182 additions and 4 deletions Side-by-side Diff
arch/arm/mach-shmobile/Kconfig
arch/arm/mach-shmobile/Makefile
arch/arm/mach-shmobile/board-kota2.c
arch/arm/mach-shmobile/platsmp.c
@@ -69,6 +69,11 @@
 	depends on ARCH_SH7372
 	select ARCH_REQUIRE_GPIOLIB
  
+config MACH_KOTA2
+	bool "KOTA2 board"
+	select ARCH_REQUIRE_GPIOLIB
+	depends on ARCH_SH73A0
+
 comment "SH-Mobile System Configuration"
  
 menu "Memory configuration"
@@ -78,6 +83,7 @@
 	default "0x50000000" if MACH_G3EVM
 	default "0x40000000" if MACH_G4EVM || MACH_AP4EVB || MACH_AG5EVM || \
 				MACH_MACKEREL
+	default "0x41000000" if MACH_KOTA2
 	default "0x00000000"
 	---help---
 	  Tweak this only when porting to a new machine which does not
@@ -89,6 +95,7 @@
 	default "0x08000000" if MACH_G3EVM
 	default "0x08000000" if MACH_G4EVM
 	default "0x20000000" if MACH_AG5EVM
+	default "0x1e000000" if MACH_KOTA2
 	default "0x10000000" if MACH_AP4EVB || MACH_MACKEREL
 	default "0x04000000"
 	help
@@ -41,6 +41,7 @@
 obj-$(CONFIG_MACH_AP4EVB)	+= board-ap4evb.o
 obj-$(CONFIG_MACH_AG5EVM)	+= board-ag5evm.o
 obj-$(CONFIG_MACH_MACKEREL)	+= board-mackerel.o
+obj-$(CONFIG_MACH_KOTA2)	+= board-kota2.o
  
 # Framework support
 obj-$(CONFIG_SMP)		+= $(smp-y)
+/*
+ * kota2 board support
+ *
+ * Copyright (C) 2011  Renesas Solutions Corp.
+ * Copyright (C) 2011  Magnus Damm
+ * Copyright (C) 2010  Takashi Yoshii <yoshii.takashi.zj@renesas.com>
+ * Copyright (C) 2009  Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * 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 <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/smsc911x.h>
+#include <linux/gpio.h>
+#include <mach/hardware.h>
+#include <mach/sh73a0.h>
+#include <mach/common.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/time.h>
+#include <asm/hardware/gic.h>
+#include <asm/hardware/cache-l2x0.h>
+#include <asm/traps.h>
+
+static struct resource smsc9220_resources[] = {
+	[0] = {
+		.start		= 0x14000000, /* CS5A */
+		.end		= 0x140000ff, /* A1->A7 */
+		.flags		= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start		= gic_spi(33), /* PINTA2 @ PORT144 */
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct smsc911x_platform_config smsc9220_platdata = {
+	.flags		= SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
+	.phy_interface	= PHY_INTERFACE_MODE_MII,
+	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+	.irq_type	= SMSC911X_IRQ_TYPE_PUSH_PULL,
+};
+
+static struct platform_device eth_device = {
+	.name		= "smsc911x",
+	.id		= 0,
+	.dev  = {
+		.platform_data = &smsc9220_platdata,
+	},
+	.resource	= smsc9220_resources,
+	.num_resources	= ARRAY_SIZE(smsc9220_resources),
+};
+
+static struct platform_device *kota2_devices[] __initdata = {
+	&eth_device,
+};
+
+static struct map_desc kota2_io_desc[] __initdata = {
+	/* create a 1:1 entity map for 0xe6xxxxxx
+	 * used by CPGA, INTC and PFC.
+	 */
+	{
+		.virtual	= 0xe6000000,
+		.pfn		= __phys_to_pfn(0xe6000000),
+		.length		= 256 << 20,
+		.type		= MT_DEVICE_NONSHARED
+	},
+};
+
+static void __init kota2_map_io(void)
+{
+	iotable_init(kota2_io_desc, ARRAY_SIZE(kota2_io_desc));
+
+	/* setup early devices and console here as well */
+	sh73a0_add_early_devices();
+	shmobile_setup_console();
+}
+
+#define PINTER0A	0xe69000a0
+#define PINTCR0A	0xe69000b0
+
+void __init kota2_init_irq(void)
+{
+	sh73a0_init_irq();
+
+	/* setup PINT: enable PINTA2 as active low */
+	__raw_writel(1 << 29, PINTER0A);
+	__raw_writew(2 << 10, PINTCR0A);
+}
+
+static void __init kota2_init(void)
+{
+	sh73a0_pinmux_init();
+
+	/* SCIFA2 (UART2) */
+	gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
+	gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
+	gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
+	gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
+
+	/* SMSC911X */
+	gpio_request(GPIO_FN_D0_NAF0, NULL);
+	gpio_request(GPIO_FN_D1_NAF1, NULL);
+	gpio_request(GPIO_FN_D2_NAF2, NULL);
+	gpio_request(GPIO_FN_D3_NAF3, NULL);
+	gpio_request(GPIO_FN_D4_NAF4, NULL);
+	gpio_request(GPIO_FN_D5_NAF5, NULL);
+	gpio_request(GPIO_FN_D6_NAF6, NULL);
+	gpio_request(GPIO_FN_D7_NAF7, NULL);
+	gpio_request(GPIO_FN_D8_NAF8, NULL);
+	gpio_request(GPIO_FN_D9_NAF9, NULL);
+	gpio_request(GPIO_FN_D10_NAF10, NULL);
+	gpio_request(GPIO_FN_D11_NAF11, NULL);
+	gpio_request(GPIO_FN_D12_NAF12, NULL);
+	gpio_request(GPIO_FN_D13_NAF13, NULL);
+	gpio_request(GPIO_FN_D14_NAF14, NULL);
+	gpio_request(GPIO_FN_D15_NAF15, NULL);
+	gpio_request(GPIO_FN_CS5A_, NULL);
+	gpio_request(GPIO_FN_WE0__FWE, NULL);
+	gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
+	gpio_direction_input(GPIO_PORT144);
+	gpio_request(GPIO_PORT145, NULL); /* RESET */
+	gpio_direction_output(GPIO_PORT145, 1);
+
+#ifdef CONFIG_CACHE_L2X0
+	/* Early BRESP enable, Shared attribute override enable, 64K*8way */
+	l2x0_init(__io(0xf0100000), 0x40460000, 0x82000fff);
+#endif
+	sh73a0_add_standard_devices();
+	platform_add_devices(kota2_devices, ARRAY_SIZE(kota2_devices));
+}
+
+static void __init kota2_timer_init(void)
+{
+	sh73a0_clock_init();
+	shmobile_timer.init();
+	return;
+}
+
+struct sys_timer kota2_timer = {
+	.init	= kota2_timer_init,
+};
+
+MACHINE_START(KOTA2, "kota2")
+	.map_io		= kota2_map_io,
+	.init_irq	= kota2_init_irq,
+	.handle_irq	= shmobile_handle_irq_gic,
+	.init_machine	= kota2_init,
+	.timer		= &kota2_timer,
+MACHINE_END
@@ -21,9 +21,11 @@
 #include <asm/mach-types.h>
 #include <mach/common.h>
  
+#define is_sh73a0() (machine_is_ag5evm() || machine_is_kota2())
+
 static unsigned int __init shmobile_smp_get_core_count(void)
 {
-	if (machine_is_ag5evm())
+	if (is_sh73a0())
 		return sh73a0_get_core_count();
  
 	return 1;
@@ -31,7 +33,7 @@
  
 static void __init shmobile_smp_prepare_cpus(void)
 {
-	if (machine_is_ag5evm())
+	if (is_sh73a0())
 		sh73a0_smp_prepare_cpus();
 }
  
  
@@ -39,13 +41,13 @@
 {
 	trace_hardirqs_off();
  
-	if (machine_is_ag5evm())
+	if (is_sh73a0())
 		sh73a0_secondary_init(cpu);
 }
  
 int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
 {
-	if (machine_is_ag5evm())
+	if (is_sh73a0())
 		return sh73a0_boot_secondary(cpu);
  
 	return -ENOSYS;
...	...	@@ -69,6 +69,11 @@
69	69	depends on ARCH_SH7372
70	70	select ARCH_REQUIRE_GPIOLIB
71	71
	72	+config MACH_KOTA2
	73	+ bool "KOTA2 board"
	74	+ select ARCH_REQUIRE_GPIOLIB
	75	+ depends on ARCH_SH73A0
	76	+
72	77	comment "SH-Mobile System Configuration"
73	78
74	79	menu "Memory configuration"
...	...	@@ -78,6 +83,7 @@
78	83	default "0x50000000" if MACH_G3EVM
79	84	default "0x40000000" if MACH_G4EVM \|\| MACH_AP4EVB \|\| MACH_AG5EVM \|\| \
80	85	MACH_MACKEREL
	86	+ default "0x41000000" if MACH_KOTA2
81	87	default "0x00000000"
82	88	---help---
83	89	Tweak this only when porting to a new machine which does not
...	...	@@ -89,6 +95,7 @@
89	95	default "0x08000000" if MACH_G3EVM
90	96	default "0x08000000" if MACH_G4EVM
91	97	default "0x20000000" if MACH_AG5EVM
	98	+ default "0x1e000000" if MACH_KOTA2
92	99	default "0x10000000" if MACH_AP4EVB \|\| MACH_MACKEREL
93	100	default "0x04000000"
94	101	help
...	...	@@ -41,6 +41,7 @@
41	41	obj-$(CONFIG_MACH_AP4EVB) += board-ap4evb.o
42	42	obj-$(CONFIG_MACH_AG5EVM) += board-ag5evm.o
43	43	obj-$(CONFIG_MACH_MACKEREL) += board-mackerel.o
	44	+obj-$(CONFIG_MACH_KOTA2) += board-kota2.o
44	45
45	46	# Framework support
46	47	obj-$(CONFIG_SMP) += $(smp-y)
	1	+/*
	2	+ * kota2 board support
	3	+ *
	4	+ * Copyright (C) 2011 Renesas Solutions Corp.
	5	+ * Copyright (C) 2011 Magnus Damm
	6	+ * Copyright (C) 2010 Takashi Yoshii <yoshii.takashi.zj@renesas.com>
	7	+ * Copyright (C) 2009 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
	8	+ *
	9	+ * This program is free software; you can redistribute it and/or modify
	10	+ * it under the terms of the GNU General Public License as published by
	11	+ * the Free Software Foundation; version 2 of the License.
	12	+ *
	13	+ * This program is distributed in the hope that it will be useful,
	14	+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	+ * GNU General Public License for more details.
	17	+ *
	18	+ * You should have received a copy of the GNU General Public License
	19	+ * along with this program; if not, write to the Free Software
	20	+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
	21	+ */
	22	+
	23	+#include <linux/kernel.h>
	24	+#include <linux/init.h>
	25	+#include <linux/interrupt.h>
	26	+#include <linux/irq.h>
	27	+#include <linux/platform_device.h>
	28	+#include <linux/delay.h>
	29	+#include <linux/io.h>
	30	+#include <linux/smsc911x.h>
	31	+#include <linux/gpio.h>
	32	+#include <mach/hardware.h>
	33	+#include <mach/sh73a0.h>
	34	+#include <mach/common.h>
	35	+#include <asm/mach-types.h>
	36	+#include <asm/mach/arch.h>
	37	+#include <asm/mach/map.h>
	38	+#include <asm/mach/time.h>
	39	+#include <asm/hardware/gic.h>
	40	+#include <asm/hardware/cache-l2x0.h>
	41	+#include <asm/traps.h>
	42	+
	43	+static struct resource smsc9220_resources[] = {
	44	+ [0] = {
	45	+ .start = 0x14000000, /* CS5A */
	46	+ .end = 0x140000ff, /* A1->A7 */
	47	+ .flags = IORESOURCE_MEM,
	48	+ },
	49	+ [1] = {
	50	+ .start = gic_spi(33), /* PINTA2 @ PORT144 */
	51	+ .flags = IORESOURCE_IRQ,
	52	+ },
	53	+};
	54	+
	55	+static struct smsc911x_platform_config smsc9220_platdata = {
	56	+ .flags = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
	57	+ .phy_interface = PHY_INTERFACE_MODE_MII,
	58	+ .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
	59	+ .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
	60	+};
	61	+
	62	+static struct platform_device eth_device = {
	63	+ .name = "smsc911x",
	64	+ .id = 0,
	65	+ .dev = {
	66	+ .platform_data = &smsc9220_platdata,
	67	+ },
	68	+ .resource = smsc9220_resources,
	69	+ .num_resources = ARRAY_SIZE(smsc9220_resources),
	70	+};
	71	+
	72	+static struct platform_device *kota2_devices[] __initdata = {
	73	+ &eth_device,
	74	+};
	75	+
	76	+static struct map_desc kota2_io_desc[] __initdata = {
	77	+ /* create a 1:1 entity map for 0xe6xxxxxx
	78	+ * used by CPGA, INTC and PFC.
	79	+ */
	80	+ {
	81	+ .virtual = 0xe6000000,
	82	+ .pfn = __phys_to_pfn(0xe6000000),
	83	+ .length = 256 << 20,
	84	+ .type = MT_DEVICE_NONSHARED
	85	+ },
	86	+};
	87	+
	88	+static void __init kota2_map_io(void)
	89	+{
	90	+ iotable_init(kota2_io_desc, ARRAY_SIZE(kota2_io_desc));
	91	+
	92	+ /* setup early devices and console here as well */
	93	+ sh73a0_add_early_devices();
	94	+ shmobile_setup_console();
	95	+}
	96	+
	97	+#define PINTER0A 0xe69000a0
	98	+#define PINTCR0A 0xe69000b0
	99	+
	100	+void __init kota2_init_irq(void)
	101	+{
	102	+ sh73a0_init_irq();
	103	+
	104	+ /* setup PINT: enable PINTA2 as active low */
	105	+ __raw_writel(1 << 29, PINTER0A);
	106	+ __raw_writew(2 << 10, PINTCR0A);
	107	+}
	108	+
	109	+static void __init kota2_init(void)
	110	+{
	111	+ sh73a0_pinmux_init();
	112	+
	113	+ /* SCIFA2 (UART2) */
	114	+ gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
	115	+ gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
	116	+ gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
	117	+ gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
	118	+
	119	+ /* SMSC911X */
	120	+ gpio_request(GPIO_FN_D0_NAF0, NULL);
	121	+ gpio_request(GPIO_FN_D1_NAF1, NULL);
	122	+ gpio_request(GPIO_FN_D2_NAF2, NULL);
	123	+ gpio_request(GPIO_FN_D3_NAF3, NULL);
	124	+ gpio_request(GPIO_FN_D4_NAF4, NULL);
	125	+ gpio_request(GPIO_FN_D5_NAF5, NULL);
	126	+ gpio_request(GPIO_FN_D6_NAF6, NULL);
	127	+ gpio_request(GPIO_FN_D7_NAF7, NULL);
	128	+ gpio_request(GPIO_FN_D8_NAF8, NULL);
	129	+ gpio_request(GPIO_FN_D9_NAF9, NULL);
	130	+ gpio_request(GPIO_FN_D10_NAF10, NULL);
	131	+ gpio_request(GPIO_FN_D11_NAF11, NULL);
	132	+ gpio_request(GPIO_FN_D12_NAF12, NULL);
	133	+ gpio_request(GPIO_FN_D13_NAF13, NULL);
	134	+ gpio_request(GPIO_FN_D14_NAF14, NULL);
	135	+ gpio_request(GPIO_FN_D15_NAF15, NULL);
	136	+ gpio_request(GPIO_FN_CS5A_, NULL);
	137	+ gpio_request(GPIO_FN_WE0__FWE, NULL);
	138	+ gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
	139	+ gpio_direction_input(GPIO_PORT144);
	140	+ gpio_request(GPIO_PORT145, NULL); /* RESET */
	141	+ gpio_direction_output(GPIO_PORT145, 1);
	142	+
	143	+#ifdef CONFIG_CACHE_L2X0
	144	+ /* Early BRESP enable, Shared attribute override enable, 64K8way /
	145	+ l2x0_init(__io(0xf0100000), 0x40460000, 0x82000fff);
	146	+#endif
	147	+ sh73a0_add_standard_devices();
	148	+ platform_add_devices(kota2_devices, ARRAY_SIZE(kota2_devices));
	149	+}
	150	+
	151	+static void __init kota2_timer_init(void)
	152	+{
	153	+ sh73a0_clock_init();
	154	+ shmobile_timer.init();
	155	+ return;
	156	+}
	157	+
	158	+struct sys_timer kota2_timer = {
	159	+ .init = kota2_timer_init,
	160	+};
	161	+
	162	+MACHINE_START(KOTA2, "kota2")
	163	+ .map_io = kota2_map_io,
	164	+ .init_irq = kota2_init_irq,
	165	+ .handle_irq = shmobile_handle_irq_gic,
	166	+ .init_machine = kota2_init,
	167	+ .timer = &kota2_timer,
	168	+MACHINE_END
...	...	@@ -21,9 +21,11 @@
21	21	#include <asm/mach-types.h>
22	22	#include <mach/common.h>
23	23
	24	+#define is_sh73a0() (machine_is_ag5evm() \|\| machine_is_kota2())
	25	+
24	26	static unsigned int __init shmobile_smp_get_core_count(void)
25	27	{
26		- if (machine_is_ag5evm())
	28	+ if (is_sh73a0())
27	29	return sh73a0_get_core_count();
28	30
29	31	return 1;
...	...	@@ -31,7 +33,7 @@
31	33
32	34	static void __init shmobile_smp_prepare_cpus(void)
33	35	{
34		- if (machine_is_ag5evm())
	36	+ if (is_sh73a0())
35	37	sh73a0_smp_prepare_cpus();
36	38	}
37	39
38	40
...	...	@@ -39,13 +41,13 @@
39	41	{
40	42	trace_hardirqs_off();
41	43
42		- if (machine_is_ag5evm())
	44	+ if (is_sh73a0())
43	45	sh73a0_secondary_init(cpu);
44	46	}
45	47
46	48	int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
47	49	{
48		- if (machine_is_ag5evm())
	50	+ if (is_sh73a0())
49	51	return sh73a0_boot_secondary(cpu);
50	52
51	53	return -ENOSYS;