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>

1 files changed, 168 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
new file mode 100644
index 00000000000..4ab05e85507
--- /dev/null
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -0,0 +1,168 @@
+/*
+ * 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