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>
This commit is contained in:
Magnus Damm
Paul Mundt
parent
c6a389f123
commit
28626632d8
4 changed files with 182 additions and 4 deletions
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@ -69,6 +69,11 @@ config MACH_MACKEREL
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depends on ARCH_SH7372
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select ARCH_REQUIRE_GPIOLIB
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config MACH_KOTA2
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bool "KOTA2 board"
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select ARCH_REQUIRE_GPIOLIB
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depends on ARCH_SH73A0
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comment "SH-Mobile System Configuration"
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menu "Memory configuration"
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@ -78,6 +83,7 @@ config MEMORY_START
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default "0x50000000" if MACH_G3EVM
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default "0x40000000" if MACH_G4EVM || MACH_AP4EVB || MACH_AG5EVM || \
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MACH_MACKEREL
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default "0x41000000" if MACH_KOTA2
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default "0x00000000"
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---help---
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Tweak this only when porting to a new machine which does not
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@ -89,6 +95,7 @@ config MEMORY_SIZE
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default "0x08000000" if MACH_G3EVM
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default "0x08000000" if MACH_G4EVM
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default "0x20000000" if MACH_AG5EVM
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default "0x1e000000" if MACH_KOTA2
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default "0x10000000" if MACH_AP4EVB || MACH_MACKEREL
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default "0x04000000"
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help
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@ -41,6 +41,7 @@ obj-$(CONFIG_MACH_G4EVM) += board-g4evm.o
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obj-$(CONFIG_MACH_AP4EVB) += board-ap4evb.o
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obj-$(CONFIG_MACH_AG5EVM) += board-ag5evm.o
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obj-$(CONFIG_MACH_MACKEREL) += board-mackerel.o
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obj-$(CONFIG_MACH_KOTA2) += board-kota2.o
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# Framework support
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obj-$(CONFIG_SMP) += $(smp-y)
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168
arch/arm/mach-shmobile/board-kota2.c
Normal file
168
arch/arm/mach-shmobile/board-kota2.c
Normal file
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@ -0,0 +1,168 @@
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/*
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* kota2 board support
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*
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* Copyright (C) 2011 Renesas Solutions Corp.
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* Copyright (C) 2011 Magnus Damm
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* Copyright (C) 2010 Takashi Yoshii <yoshii.takashi.zj@renesas.com>
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* Copyright (C) 2009 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/io.h>
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#include <linux/smsc911x.h>
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#include <linux/gpio.h>
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#include <mach/hardware.h>
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#include <mach/sh73a0.h>
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#include <mach/common.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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#include <asm/hardware/gic.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <asm/traps.h>
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static struct resource smsc9220_resources[] = {
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[0] = {
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.start = 0x14000000, /* CS5A */
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.end = 0x140000ff, /* A1->A7 */
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = gic_spi(33), /* PINTA2 @ PORT144 */
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct smsc911x_platform_config smsc9220_platdata = {
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.flags = SMSC911X_USE_32BIT, /* 32-bit SW on 16-bit HW bus */
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.phy_interface = PHY_INTERFACE_MODE_MII,
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
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};
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static struct platform_device eth_device = {
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.name = "smsc911x",
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.id = 0,
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.dev = {
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.platform_data = &smsc9220_platdata,
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},
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.resource = smsc9220_resources,
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.num_resources = ARRAY_SIZE(smsc9220_resources),
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};
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static struct platform_device *kota2_devices[] __initdata = {
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ð_device,
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};
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static struct map_desc kota2_io_desc[] __initdata = {
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/* create a 1:1 entity map for 0xe6xxxxxx
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* used by CPGA, INTC and PFC.
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*/
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{
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.virtual = 0xe6000000,
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.pfn = __phys_to_pfn(0xe6000000),
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.length = 256 << 20,
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.type = MT_DEVICE_NONSHARED
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},
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};
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static void __init kota2_map_io(void)
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{
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iotable_init(kota2_io_desc, ARRAY_SIZE(kota2_io_desc));
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/* setup early devices and console here as well */
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sh73a0_add_early_devices();
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shmobile_setup_console();
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}
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#define PINTER0A 0xe69000a0
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#define PINTCR0A 0xe69000b0
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void __init kota2_init_irq(void)
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{
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sh73a0_init_irq();
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/* setup PINT: enable PINTA2 as active low */
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__raw_writel(1 << 29, PINTER0A);
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__raw_writew(2 << 10, PINTCR0A);
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}
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static void __init kota2_init(void)
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{
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sh73a0_pinmux_init();
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/* SCIFA2 (UART2) */
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gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
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gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
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gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
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gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
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/* SMSC911X */
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gpio_request(GPIO_FN_D0_NAF0, NULL);
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gpio_request(GPIO_FN_D1_NAF1, NULL);
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gpio_request(GPIO_FN_D2_NAF2, NULL);
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gpio_request(GPIO_FN_D3_NAF3, NULL);
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gpio_request(GPIO_FN_D4_NAF4, NULL);
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gpio_request(GPIO_FN_D5_NAF5, NULL);
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gpio_request(GPIO_FN_D6_NAF6, NULL);
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gpio_request(GPIO_FN_D7_NAF7, NULL);
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gpio_request(GPIO_FN_D8_NAF8, NULL);
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gpio_request(GPIO_FN_D9_NAF9, NULL);
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gpio_request(GPIO_FN_D10_NAF10, NULL);
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gpio_request(GPIO_FN_D11_NAF11, NULL);
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gpio_request(GPIO_FN_D12_NAF12, NULL);
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gpio_request(GPIO_FN_D13_NAF13, NULL);
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gpio_request(GPIO_FN_D14_NAF14, NULL);
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gpio_request(GPIO_FN_D15_NAF15, NULL);
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gpio_request(GPIO_FN_CS5A_, NULL);
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gpio_request(GPIO_FN_WE0__FWE, NULL);
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gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
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gpio_direction_input(GPIO_PORT144);
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gpio_request(GPIO_PORT145, NULL); /* RESET */
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gpio_direction_output(GPIO_PORT145, 1);
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#ifdef CONFIG_CACHE_L2X0
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/* Early BRESP enable, Shared attribute override enable, 64K*8way */
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l2x0_init(__io(0xf0100000), 0x40460000, 0x82000fff);
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#endif
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sh73a0_add_standard_devices();
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platform_add_devices(kota2_devices, ARRAY_SIZE(kota2_devices));
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}
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static void __init kota2_timer_init(void)
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{
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sh73a0_clock_init();
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shmobile_timer.init();
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return;
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}
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struct sys_timer kota2_timer = {
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.init = kota2_timer_init,
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};
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MACHINE_START(KOTA2, "kota2")
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.map_io = kota2_map_io,
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.init_irq = kota2_init_irq,
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.handle_irq = shmobile_handle_irq_gic,
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.init_machine = kota2_init,
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.timer = &kota2_timer,
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MACHINE_END
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@ -21,9 +21,11 @@
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#include <asm/mach-types.h>
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#include <mach/common.h>
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#define is_sh73a0() (machine_is_ag5evm() || machine_is_kota2())
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static unsigned int __init shmobile_smp_get_core_count(void)
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{
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if (machine_is_ag5evm())
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if (is_sh73a0())
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return sh73a0_get_core_count();
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return 1;
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@ -31,7 +33,7 @@ static unsigned int __init shmobile_smp_get_core_count(void)
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static void __init shmobile_smp_prepare_cpus(void)
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{
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if (machine_is_ag5evm())
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if (is_sh73a0())
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sh73a0_smp_prepare_cpus();
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}
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@ -39,13 +41,13 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
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{
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trace_hardirqs_off();
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if (machine_is_ag5evm())
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if (is_sh73a0())
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sh73a0_secondary_init(cpu);
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}
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int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle)
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{
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if (machine_is_ag5evm())
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if (is_sh73a0())
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return sh73a0_boot_secondary(cpu);
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return -ENOSYS;
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