[PATCH 5/9 v2] ARM: S3C64XX: add support for mach-mini6410

Darius Augulis
2010-09-29T19:35:36Z

Add support for mini6410 board from FriendlyARM

Signed-off-by: Darius Augulis <augulis.darius@gmail.com>
---

Changelog since v1:
- Ben's comments about coding style fixed

arch/arm/mach-s3c64xx/Kconfig | 10 ++
arch/arm/mach-s3c64xx/Makefile | 1
arch/arm/mach-s3c64xx/mach-mini6410.c | 157 +++++++++++++++++++++++++++++++++
3 files changed, 168 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-s3c64xx/mach-mini6410.c

diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index c05ae12..bbeb4ca 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -98,6 +98,16 @@ config MACH_ANW6410
help
Machine support for the A&W6410

+config MACH_MINI6410
+ bool "MINI6410"
+ select CPU_S3C6410
+ select S3C_DEV_HSMMC
+ select S3C_DEV_HSMMC1
+ select S3C64XX_SETUP_SDHCI
+ select S3C_DEV_USB_HOST
+ help
+ Machine support for the FriendlyARM MINI6410
+
config MACH_REAL6410
bool "REAL6410"
select CPU_S3C6410
diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index 90221a2..4657363 100644
--- a/arch/arm/mach-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -53,6 +53,7 @@ obj-$(CONFIG_MACH_ANW6410) += mach-anw6410.o
obj-$(CONFIG_MACH_SMDK6400) += mach-smdk6400.o
obj-$(CONFIG_MACH_SMDK6410) += mach-smdk6410.o
obj-$(CONFIG_MACH_REAL6410) += mach-real6410.o
+obj-$(CONFIG_MACH_MINI6410) += mach-mini6410.o
obj-$(CONFIG_MACH_NCP) += mach-ncp.o
obj-$(CONFIG_MACH_HMT) += mach-hmt.o
obj-$(CONFIG_MACH_SMARTQ) += mach-smartq.o
diff --git a/arch/arm/mach-s3c64xx/mach-mini6410.c b/arch/arm/mach-s3c64xx/mach-mini6410.c
new file mode 100644
index 0000000..425e65d
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/mach-mini6410.c
@@ -0,0 +1,157 @@
+/* linux/arch/arm/mach-s3c64xx/mach-mini6410.c
+ *
+ * Copyright 2010 Darius Augulis <augulis.darius@gmail.com>
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ * http://armlinux.simtec.co.uk/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+*/
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/dm9000.h>
+#include <linux/serial_core.h>
+#include <linux/types.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/map.h>
+#include <mach/regs-gpio.h>
+#include <mach/regs-srom.h>
+#include <mach/s3c6410.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/regs-serial.h>
+
+#define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK)
+#define ULCON (S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB)
+#define UFCON (S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE)
+
+static struct s3c2410_uartcfg mini6410_uartcfgs[] __initdata = {
+ [0] = {
+ .hwport = 0,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [1] = {
+ .hwport = 1,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [2] = {
+ .hwport = 2,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+ [3] = {
+ .hwport = 3,
+ .flags = 0,
+ .ucon = UCON,
+ .ulcon = ULCON,
+ .ufcon = UFCON,
+ },
+};
+
+/* DM9000AEP 10/100 ethernet controller */
+
+static struct resource mini6410_dm9k_resource[] = {
+ [0] = {
+ .start = S3C64XX_PA_XM0CSN1,
+ .end = S3C64XX_PA_XM0CSN1 + 1,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = {
+ .start = S3C64XX_PA_XM0CSN1 + 4,
+ .end = S3C64XX_PA_XM0CSN1 + 5,
+ .flags = IORESOURCE_MEM
+ },
+ [2] = {
+ .start = S3C_EINT(7),
+ .end = S3C_EINT(7),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL
+ }
+};
+
+static struct dm9000_plat_data mini6410_dm9k_pdata = {
+ .flags = (DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM),
+};
+
+static struct platform_device mini6410_device_eth = {
+ .name = "dm9000",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(mini6410_dm9k_resource),
+ .resource = mini6410_dm9k_resource,
+ .dev = {
+ .platform_data = &mini6410_dm9k_pdata,
+ },
+};
+
+static struct platform_device *mini6410_devices[] __initdata = {
+ &mini6410_device_eth,
+ &s3c_device_hsmmc0,
+ &s3c_device_hsmmc1,
+ &s3c_device_ohci,
+};
+
+static void __init mini6410_map_io(void)
+{
+ s3c64xx_init_io(NULL, 0);
+ s3c24xx_init_clocks(12000000);
+ s3c24xx_init_uarts(mini6410_uartcfgs, ARRAY_SIZE(mini6410_uartcfgs));
+}
+
+static void __init mini6410_machine_init(void)
+{
+ u32 cs1;
+
+ /* configure nCS1 width to 16 bits */
+
+ cs1 = __raw_readl(S3C64XX_SROM_BW) &
+ ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);
+ cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |
+ (1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |
+ (1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<
+ S3C64XX_SROM_BW__NCS1__SHIFT;
+ __raw_writel(cs1, S3C64XX_SROM_BW);
+
+ /* set timing for nCS1 suitable for ethernet chip */
+
+ __raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
+ (6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
+ (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
+ (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
+ (13 << S3C64XX_SROM_BCX__TACC__SHIFT) |
+ (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
+ (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
+
+ platform_add_devices(mini6410_devices, ARRAY_SIZE(mini6410_devices));
+}
+
+MACHINE_START(MINI6410, "MINI6410")
+ /* Maintainer: Darius Augulis <augulis.darius@gmail.com> */
+ .phys_io = S3C_PA_UART & 0xfff00000,
+ .io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+ .boot_params = S3C64XX_PA_SDRAM + 0x100,
+
+ .init_irq = s3c6410_init_irq,
+ .map_io = mini6410_map_io,
+ .init_machine = mini6410_machine_init,
+ .timer = &s3c24xx_timer,
+MACHINE_END