11 files changed, 640 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pc100/cpu.c b/arch/arm/mach-s5pc100/cpu.c
new file mode 100644
index 00000000000..fd2708e7d8a
--- /dev/null
+++ b/arch/arm/mach-s5pc100/cpu.c
@@ -0,0 +1,169 @@
+/* linux/arch/arm/mach-s5pc100/cpu.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *      Byungho Min <bhmin@samsung.com>
+ *
+ * Based on mach-s3c6410/cpu.c
+ *
+ * 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/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+#include <linux/sched.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/proc-fns.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+#include <asm/irq.h>
+
+#include <plat/regs-serial.h>
+#include <mach/regs-clock.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/clock.h>
+#include <plat/ata-core.h>
+#include <plat/iic-core.h>
+#include <plat/sdhci.h>
+#include <plat/adc-core.h>
+#include <plat/onenand-core.h>
+#include <plat/fb-core.h>
+
+#include <plat/s5pc100.h>
+
+/* Initial IO mappings */
+
+static struct map_desc s5pc100_iodesc[] __initdata = {
+        {
+                .virtual        = (unsigned long)S5P_VA_SYSTIMER,
+                .pfn            = __phys_to_pfn(S5PC100_PA_SYSTIMER),
+                .length         = SZ_16K,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)S5P_VA_GPIO,
+                .pfn            = __phys_to_pfn(S5PC100_PA_GPIO),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)VA_VIC0,
+                .pfn            = __phys_to_pfn(S5PC100_PA_VIC0),
+                .length         = SZ_16K,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)VA_VIC1,
+                .pfn            = __phys_to_pfn(S5PC100_PA_VIC1),
+                .length         = SZ_16K,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)VA_VIC2,
+                .pfn            = __phys_to_pfn(S5PC100_PA_VIC2),
+                .length         = SZ_16K,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)S3C_VA_UART,
+                .pfn            = __phys_to_pfn(S3C_PA_UART),
+                .length         = SZ_512K,
+                .type           = MT_DEVICE,
+        }, {
+                .virtual        = (unsigned long)S5PC100_VA_OTHERS,
+                .pfn            = __phys_to_pfn(S5PC100_PA_OTHERS),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
+        }
+};
+
+static void s5pc100_idle(void)
+{
+        if (!need_resched())
+                cpu_do_idle();
+
+        local_irq_enable();
+}
+
+/* s5pc100_map_io
+ *
+ * register the standard cpu IO areas
+*/
+
+void __init s5pc100_map_io(void)
+{
+        iotable_init(s5pc100_iodesc, ARRAY_SIZE(s5pc100_iodesc));
+
+        /* initialise device information early */
+        s5pc100_default_sdhci0();
+        s5pc100_default_sdhci1();
+        s5pc100_default_sdhci2();
+
+        s3c_adc_setname("s3c64xx-adc");
+
+        /* the i2c devices are directly compatible with s3c2440 */
+        s3c_i2c0_setname("s3c2440-i2c");
+        s3c_i2c1_setname("s3c2440-i2c");
+
+        s3c_onenand_setname("s5pc100-onenand");
+        s3c_fb_setname("s5pc100-fb");
+        s3c_cfcon_setname("s5pc100-pata");
+}
+
+void __init s5pc100_init_clocks(int xtal)
+{
+        printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
+
+        s3c24xx_register_baseclocks(xtal);
+        s5p_register_clocks(xtal);
+        s5pc100_register_clocks();
+        s5pc100_setup_clocks();
+}
+
+void __init s5pc100_init_irq(void)
+{
+        u32 vic[] = {~0, ~0, ~0};
+
+        /* VIC0, VIC1, and VIC2 are fully populated. */
+        s5p_init_irq(vic, ARRAY_SIZE(vic));
+}
+
+static struct sysdev_class s5pc100_sysclass = {
+        .name   = "s5pc100-core",
+};
+
+static struct sys_device s5pc100_sysdev = {
+        .cls    = &s5pc100_sysclass,
+};
+
+static int __init s5pc100_core_init(void)
+{
+        return sysdev_class_register(&s5pc100_sysclass);
+}
+
+core_initcall(s5pc100_core_init);
+
+int __init s5pc100_init(void)
+{
+        printk(KERN_INFO "S5PC100: Initializing architecture\n");
+
+        /* set idle function */
+        pm_idle = s5pc100_idle;
+
+        return sysdev_register(&s5pc100_sysdev);
+}
diff --git a/arch/arm/mach-s5pc100/dev-spi.c b/arch/arm/mach-s5pc100/dev-spi.c
new file mode 100644
index 00000000000..e5d6c4dceb5
--- /dev/null
+++ b/arch/arm/mach-s5pc100/dev-spi.c
@@ -0,0 +1,227 @@
+/* linux/arch/arm/mach-s5pc100/dev-spi.c
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *      Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * 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/platform_device.h>
+#include <linux/dma-mapping.h>
+#include <linux/gpio.h>
+
+#include <mach/dma.h>
+#include <mach/map.h>
+#include <mach/spi-clocks.h>
+#include <mach/irqs.h>
+
+#include <plat/s3c64xx-spi.h>
+#include <plat/gpio-cfg.h>
+#include <plat/irqs.h>
+
+static char *spi_src_clks[] = {
+        [S5PC100_SPI_SRCCLK_PCLK] = "pclk",
+        [S5PC100_SPI_SRCCLK_48M] = "spi_48m",
+        [S5PC100_SPI_SRCCLK_SPIBUS] = "spi_bus",
+};
+
+/* SPI Controller platform_devices */
+
+/* Since we emulate multi-cs capability, we do not touch the CS.
+ * The emulated CS is toggled by board specific mechanism, as it can
+ * be either some immediate GPIO or some signal out of some other
+ * chip in between ... or some yet another way.
+ * We simply do not assume anything about CS.
+ */
+static int s5pc100_spi_cfg_gpio(struct platform_device *pdev)
+{
+        switch (pdev->id) {
+        case 0:
+                s3c_gpio_cfgall_range(S5PC100_GPB(0), 3,
+                                      S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
+                break;
+
+        case 1:
+                s3c_gpio_cfgall_range(S5PC100_GPB(4), 3,
+                                      S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
+                break;
+
+        case 2:
+                s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(3));
+                s3c_gpio_setpull(S5PC100_GPG3(0), S3C_GPIO_PULL_UP);
+                s3c_gpio_cfgall_range(S5PC100_GPB(2), 2,
+                                      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
+                break;
+
+        default:
+                dev_err(&pdev->dev, "Invalid SPI Controller number!");
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+static struct resource s5pc100_spi0_resource[] = {
+        [0] = {
+                .start = S5PC100_PA_SPI0,
+                .end   = S5PC100_PA_SPI0 + 0x100 - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start = DMACH_SPI0_TX,
+                .end   = DMACH_SPI0_TX,
+                .flags = IORESOURCE_DMA,
+        },
+        [2] = {
+                .start = DMACH_SPI0_RX,
+                .end   = DMACH_SPI0_RX,
+                .flags = IORESOURCE_DMA,
+        },
+        [3] = {
+                .start = IRQ_SPI0,
+                .end   = IRQ_SPI0,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct s3c64xx_spi_info s5pc100_spi0_pdata = {
+        .cfg_gpio = s5pc100_spi_cfg_gpio,
+        .fifo_lvl_mask = 0x7f,
+        .rx_lvl_offset = 13,
+        .high_speed = 1,
+        .tx_st_done = 21,
+};
+
+static u64 spi_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5pc100_device_spi0 = {
+        .name             = "s3c64xx-spi",
+        .id               = 0,
+        .num_resources    = ARRAY_SIZE(s5pc100_spi0_resource),
+        .resource         = s5pc100_spi0_resource,
+        .dev = {
+                .dma_mask               = &spi_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+                .platform_data = &s5pc100_spi0_pdata,
+        },
+};
+
+static struct resource s5pc100_spi1_resource[] = {
+        [0] = {
+                .start = S5PC100_PA_SPI1,
+                .end   = S5PC100_PA_SPI1 + 0x100 - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start = DMACH_SPI1_TX,
+                .end   = DMACH_SPI1_TX,
+                .flags = IORESOURCE_DMA,
+        },
+        [2] = {
+                .start = DMACH_SPI1_RX,
+                .end   = DMACH_SPI1_RX,
+                .flags = IORESOURCE_DMA,
+        },
+        [3] = {
+                .start = IRQ_SPI1,
+                .end   = IRQ_SPI1,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct s3c64xx_spi_info s5pc100_spi1_pdata = {
+        .cfg_gpio = s5pc100_spi_cfg_gpio,
+        .fifo_lvl_mask = 0x7f,
+        .rx_lvl_offset = 13,
+        .high_speed = 1,
+        .tx_st_done = 21,
+};
+
+struct platform_device s5pc100_device_spi1 = {
+        .name             = "s3c64xx-spi",
+        .id               = 1,
+        .num_resources    = ARRAY_SIZE(s5pc100_spi1_resource),
+        .resource         = s5pc100_spi1_resource,
+        .dev = {
+                .dma_mask               = &spi_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+                .platform_data = &s5pc100_spi1_pdata,
+        },
+};
+
+static struct resource s5pc100_spi2_resource[] = {
+        [0] = {
+                .start = S5PC100_PA_SPI2,
+                .end   = S5PC100_PA_SPI2 + 0x100 - 1,
+                .flags = IORESOURCE_MEM,
+        },
+        [1] = {
+                .start = DMACH_SPI2_TX,
+                .end   = DMACH_SPI2_TX,
+                .flags = IORESOURCE_DMA,
+        },
+        [2] = {
+                .start = DMACH_SPI2_RX,
+                .end   = DMACH_SPI2_RX,
+                .flags = IORESOURCE_DMA,
+        },
+        [3] = {
+                .start = IRQ_SPI2,
+                .end   = IRQ_SPI2,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct s3c64xx_spi_info s5pc100_spi2_pdata = {
+        .cfg_gpio = s5pc100_spi_cfg_gpio,
+        .fifo_lvl_mask = 0x7f,
+        .rx_lvl_offset = 13,
+        .high_speed = 1,
+        .tx_st_done = 21,
+};
+
+struct platform_device s5pc100_device_spi2 = {
+        .name             = "s3c64xx-spi",
+        .id               = 2,
+        .num_resources    = ARRAY_SIZE(s5pc100_spi2_resource),
+        .resource         = s5pc100_spi2_resource,
+        .dev = {
+                .dma_mask               = &spi_dmamask,
+                .coherent_dma_mask      = DMA_BIT_MASK(32),
+                .platform_data = &s5pc100_spi2_pdata,
+        },
+};
+
+void __init s5pc100_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
+{
+        struct s3c64xx_spi_info *pd;
+
+        /* Reject invalid configuration */
+        if (!num_cs || src_clk_nr < 0
+                        || src_clk_nr > S5PC100_SPI_SRCCLK_SPIBUS) {
+                printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
+                return;
+        }
+
+        switch (cntrlr) {
+        case 0:
+                pd = &s5pc100_spi0_pdata;
+                break;
+        case 1:
+                pd = &s5pc100_spi1_pdata;
+                break;
+        case 2:
+                pd = &s5pc100_spi2_pdata;
+                break;
+        default:
+                printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
+                                                        __func__, cntrlr);
+                return;
+        }
+
+        pd->num_cs = num_cs;
+        pd->src_clk_nr = src_clk_nr;
+        pd->src_clk_name = spi_src_clks[src_clk_nr];
+}
diff --git a/arch/arm/mach-s5pc100/include/mach/clkdev.h b/arch/arm/mach-s5pc100/include/mach/clkdev.h
new file mode 100644
index 00000000000..7dffa83d23f
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/clkdev.h
@@ -0,0 +1,7 @@
+#ifndef __MACH_CLKDEV_H__
+#define __MACH_CLKDEV_H__
+
+#define __clk_get(clk) ({ 1; })
+#define __clk_put(clk) do {} while (0)
+
+#endif
diff --git a/arch/arm/mach-s5pc100/include/mach/io.h b/arch/arm/mach-s5pc100/include/mach/io.h
new file mode 100644
index 00000000000..819acf5eaf8
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/io.h
@@ -0,0 +1,18 @@
+/* arch/arm/mach-s5pc100/include/mach/io.h
+ *
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben-linux@fluff.org>
+ *
+ * Default IO routines for S5PC100 systems
+ */
+
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+/* No current ISA/PCI bus support. */
+#define __io(a)         __typesafe_io(a)
+#define __mem_pci(a)    (a)
+
+#define IO_SPACE_LIMIT (0xFFFFFFFF)
+
+#endif
diff --git a/arch/arm/mach-s5pc100/include/mach/memory.h b/arch/arm/mach-s5pc100/include/mach/memory.h
new file mode 100644
index 00000000000..bda4e79fd5f
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/memory.h
@@ -0,0 +1,18 @@
+/* arch/arm/mach-s5pc100/include/mach/memory.h
+ *
+ * Copyright 2008 Samsung Electronics Co.
+ *      Byungho Min <bhmin@samsung.com>
+ *
+ * Based on mach-s3c6400/include/mach/memory.h
+ *
+ * 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.
+*/
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+#define PLAT_PHYS_OFFSET        UL(0x20000000)
+
+#endif
diff --git a/arch/arm/mach-s5pc100/include/mach/pwm-clock.h b/arch/arm/mach-s5pc100/include/mach/pwm-clock.h
new file mode 100644
index 00000000000..b34d2f7aae5
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/pwm-clock.h
@@ -0,0 +1,56 @@
+/* linux/arch/arm/mach-s5pc100/include/mach/pwm-clock.h
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *      Byungho Min <bhmin@samsung.com>
+ *
+ * S5PC100 - pwm clock and timer support
+ *
+ * Based on mach-s3c6400/include/mach/pwm-clock.h
+ */
+
+/**
+ * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk
+ * @tcfg: The timer TCFG1 register bits shifted down to 0.
+ *
+ * Return true if the given configuration from TCFG1 is a TCLK instead
+ * any of the TDIV clocks.
+ */
+static inline int pwm_cfg_src_is_tclk(unsigned long tcfg)
+{
+        return tcfg >= S3C64XX_TCFG1_MUX_TCLK;
+}
+
+/**
+ * tcfg_to_divisor() - convert tcfg1 setting to a divisor
+ * @tcfg1: The tcfg1 setting, shifted down.
+ *
+ * Get the divisor value for the given tcfg1 setting. We assume the
+ * caller has already checked to see if this is not a TCLK source.
+ */
+static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
+{
+        return 1 << tcfg1;
+}
+
+/**
+ * pwm_tdiv_has_div1() - does the tdiv setting have a /1
+ *
+ * Return true if we have a /1 in the tdiv setting.
+ */
+static inline unsigned int pwm_tdiv_has_div1(void)
+{
+        return 1;
+}
+
+/**
+ * pwm_tdiv_div_bits() - calculate TCFG1 divisor value.
+ * @div: The divisor to calculate the bit information for.
+ *
+ * Turn a divisor into the necessary bit field for TCFG1.
+ */
+static inline unsigned long pwm_tdiv_div_bits(unsigned int div)
+{
+        return ilog2(div);
+}
+
+#define S3C_TCFG1_MUX_TCLK S3C64XX_TCFG1_MUX_TCLK
diff --git a/arch/arm/mach-s5pc100/include/mach/spi-clocks.h b/arch/arm/mach-s5pc100/include/mach/spi-clocks.h
new file mode 100644
index 00000000000..65e426370bb
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/spi-clocks.h
@@ -0,0 +1,18 @@
+/* linux/arch/arm/mach-s5pc100/include/mach/spi-clocks.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *      Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * 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.
+ */
+
+#ifndef __S5PC100_PLAT_SPI_CLKS_H
+#define __S5PC100_PLAT_SPI_CLKS_H __FILE__
+
+#define S5PC100_SPI_SRCCLK_PCLK         0
+#define S5PC100_SPI_SRCCLK_48M          1
+#define S5PC100_SPI_SRCCLK_SPIBUS       2
+
+#endif /* __S5PC100_PLAT_SPI_CLKS_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/system.h b/arch/arm/mach-s5pc100/include/mach/system.h
new file mode 100644
index 00000000000..a9ea57c0660
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/system.h
@@ -0,0 +1,21 @@
+/* linux/arch/arm/mach-s5pc100/include/mach/system.h
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *      Byungho Min <bhmin@samsung.com>
+ *
+ * S5PC100 - system implementation
+ *
+ * Based on mach-s3c6400/include/mach/system.h
+ */
+
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H __FILE__
+
+#include <plat/system-reset.h>
+
+static void arch_idle(void)
+{
+        /* nothing here yet */
+}
+
+#endif /* __ASM_ARCH_IRQ_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/vmalloc.h b/arch/arm/mach-s5pc100/include/mach/vmalloc.h
new file mode 100644
index 00000000000..44c8e5726d9
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/vmalloc.h
@@ -0,0 +1,17 @@
+/* arch/arm/mach-s5pc100/include/mach/vmalloc.h
+ *
+ * Copyright 2010 Ben Dooks <ben-linux@fluff.org>
+ *
+ * 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.
+ *
+ * S3C6400 vmalloc definition
+*/
+
+#ifndef __ASM_ARCH_VMALLOC_H
+#define __ASM_ARCH_VMALLOC_H
+
+#define VMALLOC_END     0xF6000000UL
+
+#endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/arch/arm/mach-s5pc100/init.c b/arch/arm/mach-s5pc100/init.c
new file mode 100644
index 00000000000..19d7b523c13
--- /dev/null
+++ b/arch/arm/mach-s5pc100/init.c
@@ -0,0 +1,24 @@
+/* linux/arch/arm/plat-s5pc100/s5pc100-init.c
+ *
+ * Copyright 2009 Samsung Electronics Co.
+ *      Byungho Min <bhmin@samsung.com>
+ *
+ *
+ * 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/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/s5pc100.h>
+
+/* uart registration process */
+void __init s5pc100_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+        s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
+}
diff --git a/arch/arm/mach-s5pc100/setup-sdhci.c b/arch/arm/mach-s5pc100/setup-sdhci.c
new file mode 100644
index 00000000000..be25879bb2e
--- /dev/null
+++ b/arch/arm/mach-s5pc100/setup-sdhci.c
@@ -0,0 +1,65 @@
+/* linux/arch/arm/mach-s5pc100/setup-sdhci.c
+ *
+ * Copyright 2008 Samsung Electronics
+ *
+ * S5PC100 - Helper functions for settign up SDHCI device(s) (HSMMC)
+ *
+ * Based on mach-s3c6410/setup-sdhci.c
+ *
+ * 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/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+
+#include <linux/mmc/card.h>
+#include <linux/mmc/host.h>
+
+#include <plat/regs-sdhci.h>
+#include <plat/sdhci.h>
+
+/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
+
+char *s5pc100_hsmmc_clksrcs[4] = {
+        [0] = "hsmmc",          /* HCLK */
+        /* [1] = "hsmmc",       - duplicate HCLK entry */
+        [2] = "sclk_mmc",       /* mmc_bus */
+        /* [3] = "48m",         - note not successfully used yet */
+};
+
+
+void s5pc100_setup_sdhci0_cfg_card(struct platform_device *dev,
+                                    void __iomem *r,
+                                    struct mmc_ios *ios,
+                                    struct mmc_card *card)
+{
+        u32 ctrl2, ctrl3;
+
+        /* don't need to alter anything according to card-type */
+
+        writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, r + S3C64XX_SDHCI_CONTROL4);
+
+        ctrl2 = readl(r + S3C_SDHCI_CONTROL2);
+        ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK;
+        ctrl2 |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR |
+                  S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK |
+                  S3C_SDHCI_CTRL2_ENFBCLKRX |
+                  S3C_SDHCI_CTRL2_DFCNT_NONE |
+                  S3C_SDHCI_CTRL2_ENCLKOUTHOLD);
+
+        if (ios->clock < 25 * 1000000)
+                ctrl3 = (S3C_SDHCI_CTRL3_FCSEL3 |
+                         S3C_SDHCI_CTRL3_FCSEL2 |
+                         S3C_SDHCI_CTRL3_FCSEL1 |
+                         S3C_SDHCI_CTRL3_FCSEL0);
+        else
+                ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0);
+
+        writel(ctrl2, r + S3C_SDHCI_CONTROL2);
+        writel(ctrl3, r + S3C_SDHCI_CONTROL3);
+}