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authorBen Dooks <ben-linux@fluff.org>2009-08-14 15:23:45 +0100
committerBen Dooks <ben-linux@fluff.org>2009-08-14 15:23:45 +0100
commit215ed3236a17b748cf75a2c23f50028c95302a42 (patch)
treea1fa16573704a4a1bb646365f5d4c6cd3bb321f9 /arch/arm/mach-s3c2410
parent0fbdd270078a3e3ce537a2fb6ffc8a9b2427500c (diff)
parente6d197a6954c8a9ff85727c31ca61fc1da78628a (diff)
Merge branch 'next-s3c24xx-cpufreq' into next-s3c
Diffstat (limited to 'arch/arm/mach-s3c2410')
-rw-r--r--arch/arm/mach-s3c2410/Kconfig18
-rw-r--r--arch/arm/mach-s3c2410/Makefile2
-rw-r--r--arch/arm/mach-s3c2410/cpu-freq.c159
-rw-r--r--arch/arm/mach-s3c2410/dma.c11
-rw-r--r--arch/arm/mach-s3c2410/include/mach/map.h7
-rw-r--r--arch/arm/mach-s3c2410/include/mach/regs-mem.h10
-rw-r--r--arch/arm/mach-s3c2410/include/mach/regs-s3c2412-mem.h23
-rw-r--r--arch/arm/mach-s3c2410/irq.c15
-rw-r--r--arch/arm/mach-s3c2410/mach-bast.c9
-rw-r--r--arch/arm/mach-s3c2410/pll.c95
-rw-r--r--arch/arm/mach-s3c2410/pm.c12
-rw-r--r--arch/arm/mach-s3c2410/s3c2410.c29
12 files changed, 387 insertions, 3 deletions
diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index 41bb65d5b91f..d8c023d4df30 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -12,6 +12,7 @@ config CPU_S3C2410
select S3C2410_GPIO
select CPU_LLSERIAL_S3C2410
select S3C2410_PM if PM
+ select S3C2410_CPUFREQ if CPU_FREQ_S3C24XX
help
Support for S3C2410 and S3C2410A family from the S3C24XX line
of Samsung Mobile CPUs.
@@ -45,6 +46,22 @@ config MACH_BAST_IDE
Internal node for machines with an BAST style IDE
interface
+# cpu frequency scaling support
+
+config S3C2410_CPUFREQ
+ bool
+ depends on CPU_FREQ_S3C24XX && CPU_S3C2410
+ select S3C2410_CPUFREQ_UTILS
+ help
+ CPU Frequency scaling support for S3C2410
+
+config S3C2410_PLLTABLE
+ bool
+ depends on S3C2410_CPUFREQ && CPU_FREQ_S3C24XX_PLL
+ default y
+ help
+ Select the PLL table for the S3C2410
+
menu "S3C2410 Machines"
config ARCH_SMDK2410
@@ -79,6 +96,7 @@ config MACH_N30
config ARCH_BAST
bool "Simtec Electronics BAST (EB2410ITX)"
select CPU_S3C2410
+ select S3C2410_IOTIMING if S3C2410_CPUFREQ
select PM_SIMTEC if PM
select SIMTEC_NOR
select MACH_BAST_IDE
diff --git a/arch/arm/mach-s3c2410/Makefile b/arch/arm/mach-s3c2410/Makefile
index fca02f82711c..2ab5ba4b266f 100644
--- a/arch/arm/mach-s3c2410/Makefile
+++ b/arch/arm/mach-s3c2410/Makefile
@@ -15,6 +15,8 @@ obj-$(CONFIG_CPU_S3C2410_DMA) += dma.o
obj-$(CONFIG_CPU_S3C2410_DMA) += dma.o
obj-$(CONFIG_S3C2410_PM) += pm.o sleep.o
obj-$(CONFIG_S3C2410_GPIO) += gpio.o
+obj-$(CONFIG_S3C2410_CPUFREQ) += cpu-freq.o
+obj-$(CONFIG_S3C2410_PLLTABLE) += pll.o
# Machine support
diff --git a/arch/arm/mach-s3c2410/cpu-freq.c b/arch/arm/mach-s3c2410/cpu-freq.c
new file mode 100644
index 000000000000..9d1186877d08
--- /dev/null
+++ b/arch/arm/mach-s3c2410/cpu-freq.c
@@ -0,0 +1,159 @@
+/* linux/arch/arm/mach-s3c2410/cpu-freq.c
+ *
+ * Copyright (c) 2006,2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410 CPU Frequency scaling
+ *
+ * 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/module.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/cpufreq.h>
+#include <linux/sysdev.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/regs-clock.h>
+
+#include <plat/cpu.h>
+#include <plat/clock.h>
+#include <plat/cpu-freq-core.h>
+
+/* Note, 2410A has an extra mode for 1:4:4 ratio, bit 2 of CLKDIV */
+
+static void s3c2410_cpufreq_setdivs(struct s3c_cpufreq_config *cfg)
+{
+ u32 clkdiv = 0;
+
+ if (cfg->divs.h_divisor == 2)
+ clkdiv |= S3C2410_CLKDIVN_HDIVN;
+
+ if (cfg->divs.p_divisor != cfg->divs.h_divisor)
+ clkdiv |= S3C2410_CLKDIVN_PDIVN;
+
+ __raw_writel(clkdiv, S3C2410_CLKDIVN);
+}
+
+static int s3c2410_cpufreq_calcdivs(struct s3c_cpufreq_config *cfg)
+{
+ unsigned long hclk, fclk, pclk;
+ unsigned int hdiv, pdiv;
+ unsigned long hclk_max;
+
+ fclk = cfg->freq.fclk;
+ hclk_max = cfg->max.hclk;
+
+ cfg->freq.armclk = fclk;
+
+ s3c_freq_dbg("%s: fclk is %lu, max hclk %lu\n",
+ __func__, fclk, hclk_max);
+
+ hdiv = (fclk > cfg->max.hclk) ? 2 : 1;
+ hclk = fclk / hdiv;
+
+ if (hclk > cfg->max.hclk) {
+ s3c_freq_dbg("%s: hclk too big\n", __func__);
+ return -EINVAL;
+ }
+
+ pdiv = (hclk > cfg->max.pclk) ? 2 : 1;
+ pclk = hclk / pdiv;
+
+ if (pclk > cfg->max.pclk) {
+ s3c_freq_dbg("%s: pclk too big\n", __func__);
+ return -EINVAL;
+ }
+
+ pdiv *= hdiv;
+
+ /* record the result */
+ cfg->divs.p_divisor = pdiv;
+ cfg->divs.h_divisor = hdiv;
+
+ return 0 ;
+}
+
+static struct s3c_cpufreq_info s3c2410_cpufreq_info = {
+ .max = {
+ .fclk = 200000000,
+ .hclk = 100000000,
+ .pclk = 50000000,
+ },
+
+ /* transition latency is about 5ms worst-case, so
+ * set 10ms to be sure */
+ .latency = 10000000,
+
+ .locktime_m = 150,
+ .locktime_u = 150,
+ .locktime_bits = 12,
+
+ .need_pll = 1,
+
+ .name = "s3c2410",
+ .calc_iotiming = s3c2410_iotiming_calc,
+ .set_iotiming = s3c2410_iotiming_set,
+ .get_iotiming = s3c2410_iotiming_get,
+ .resume_clocks = s3c2410_setup_clocks,
+
+ .set_fvco = s3c2410_set_fvco,
+ .set_refresh = s3c2410_cpufreq_setrefresh,
+ .set_divs = s3c2410_cpufreq_setdivs,
+ .calc_divs = s3c2410_cpufreq_calcdivs,
+
+ .debug_io_show = s3c_cpufreq_debugfs_call(s3c2410_iotiming_debugfs),
+};
+
+static int s3c2410_cpufreq_add(struct sys_device *sysdev)
+{
+ return s3c_cpufreq_register(&s3c2410_cpufreq_info);
+}
+
+static struct sysdev_driver s3c2410_cpufreq_driver = {
+ .add = s3c2410_cpufreq_add,
+};
+
+static int __init s3c2410_cpufreq_init(void)
+{
+ return sysdev_driver_register(&s3c2410_sysclass,
+ &s3c2410_cpufreq_driver);
+}
+
+arch_initcall(s3c2410_cpufreq_init);
+
+static int s3c2410a_cpufreq_add(struct sys_device *sysdev)
+{
+ /* alter the maximum freq settings for S3C2410A. If a board knows
+ * it only has a maximum of 200, then it should register its own
+ * limits. */
+
+ s3c2410_cpufreq_info.max.fclk = 266000000;
+ s3c2410_cpufreq_info.max.hclk = 133000000;
+ s3c2410_cpufreq_info.max.pclk = 66500000;
+ s3c2410_cpufreq_info.name = "s3c2410a";
+
+ return s3c2410_cpufreq_add(sysdev);
+}
+
+static struct sysdev_driver s3c2410a_cpufreq_driver = {
+ .add = s3c2410a_cpufreq_add,
+};
+
+static int __init s3c2410a_cpufreq_init(void)
+{
+ return sysdev_driver_register(&s3c2410a_sysclass,
+ &s3c2410a_cpufreq_driver);
+}
+
+arch_initcall(s3c2410a_cpufreq_init);
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index dbf96e60d992..63b753f56c64 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -164,6 +164,17 @@ static int __init s3c2410_dma_drvinit(void)
}
arch_initcall(s3c2410_dma_drvinit);
+
+static struct sysdev_driver s3c2410a_dma_driver = {
+ .add = s3c2410_dma_add,
+};
+
+static int __init s3c2410a_dma_drvinit(void)
+{
+ return sysdev_driver_register(&s3c2410a_sysclass, &s3c2410a_dma_driver);
+}
+
+arch_initcall(s3c2410a_dma_drvinit);
#endif
#if defined(CONFIG_CPU_S3C2442)
diff --git a/arch/arm/mach-s3c2410/include/mach/map.h b/arch/arm/mach-s3c2410/include/mach/map.h
index e99b212cb1ca..11cce0975502 100644
--- a/arch/arm/mach-s3c2410/include/mach/map.h
+++ b/arch/arm/mach-s3c2410/include/mach/map.h
@@ -67,6 +67,13 @@
#define S3C2443_PA_HSMMC (0x4A800000)
#define S3C2443_SZ_HSMMC (256)
+/* S3C2412 memory and IO controls */
+#define S3C2412_PA_SSMC (0x4F000000)
+#define S3C2412_VA_SSMC S3C_ADDR_CPU(0x00000000)
+
+#define S3C2412_PA_EBI (0x48800000)
+#define S3C2412_VA_EBI S3C_ADDR_CPU(0x00010000)
+
/* physical addresses of all the chip-select areas */
#define S3C2410_CS0 (0x00000000)
diff --git a/arch/arm/mach-s3c2410/include/mach/regs-mem.h b/arch/arm/mach-s3c2410/include/mach/regs-mem.h
index 57759804e2fa..7f7c52947963 100644
--- a/arch/arm/mach-s3c2410/include/mach/regs-mem.h
+++ b/arch/arm/mach-s3c2410/include/mach/regs-mem.h
@@ -73,6 +73,16 @@
#define S3C2410_BWSCON_WS7 (1<<30)
#define S3C2410_BWSCON_ST7 (1<<31)
+/* accesor functions for getting BANK(n) configuration. (n != 0) */
+
+#define S3C2410_BWSCON_GET(_bwscon, _bank) (((_bwscon) >> ((_bank) * 4)) & 0xf)
+
+#define S3C2410_BWSCON_DW8 (0)
+#define S3C2410_BWSCON_DW16 (1)
+#define S3C2410_BWSCON_DW32 (2)
+#define S3C2410_BWSCON_WS (1 << 2)
+#define S3C2410_BWSCON_ST (1 << 3)
+
/* memory set (rom, ram) */
#define S3C2410_BANKCON0 S3C2410_MEMREG(0x0004)
#define S3C2410_BANKCON1 S3C2410_MEMREG(0x0008)
diff --git a/arch/arm/mach-s3c2410/include/mach/regs-s3c2412-mem.h b/arch/arm/mach-s3c2410/include/mach/regs-s3c2412-mem.h
index a4bf27123170..fb6352515090 100644
--- a/arch/arm/mach-s3c2410/include/mach/regs-s3c2412-mem.h
+++ b/arch/arm/mach-s3c2410/include/mach/regs-s3c2412-mem.h
@@ -14,9 +14,11 @@
#ifndef __ASM_ARM_REGS_S3C2412_MEM
#define __ASM_ARM_REGS_S3C2412_MEM
-#ifndef S3C2412_MEMREG
#define S3C2412_MEMREG(x) (S3C24XX_VA_MEMCTRL + (x))
-#endif
+#define S3C2412_EBIREG(x) (S3C2412_VA_EBI + (x))
+
+#define S3C2412_SSMCREG(x) (S3C2412_VA_SSMC + (x))
+#define S3C2412_SSMC(x, o) (S3C2412_SSMCREG((x * 0x20) + (o)))
#define S3C2412_BANKCFG S3C2412_MEMREG(0x00)
#define S3C2412_BANKCON1 S3C2412_MEMREG(0x04)
@@ -26,4 +28,21 @@
#define S3C2412_REFRESH S3C2412_MEMREG(0x10)
#define S3C2412_TIMEOUT S3C2412_MEMREG(0x14)
+/* EBI control registers */
+
+#define S3C2412_EBI_PR S3C2412_EBIREG(0x00)
+#define S3C2412_EBI_BANKCFG S3C2412_EBIREG(0x04)
+
+/* SSMC control registers */
+
+#define S3C2412_SSMC_BANK(x) S3C2412_SSMC(x, 0x00)
+#define S3C2412_SMIDCYR(x) S3C2412_SSMC(x, 0x00)
+#define S3C2412_SMBWSTRD(x) S3C2412_SSMC(x, 0x04)
+#define S3C2412_SMBWSTWRR(x) S3C2412_SSMC(x, 0x08)
+#define S3C2412_SMBWSTOENR(x) S3C2412_SSMC(x, 0x0C)
+#define S3C2412_SMBWSTWENR(x) S3C2412_SSMC(x, 0x10)
+#define S3C2412_SMBCR(x) S3C2412_SSMC(x, 0x14)
+#define S3C2412_SMBSR(x) S3C2412_SSMC(x, 0x18)
+#define S3C2412_SMBWSTBRDR(x) S3C2412_SSMC(x, 0x1C)
+
#endif /* __ASM_ARM_REGS_S3C2412_MEM */
diff --git a/arch/arm/mach-s3c2410/irq.c b/arch/arm/mach-s3c2410/irq.c
index 92150399563b..5e2f35332056 100644
--- a/arch/arm/mach-s3c2410/irq.c
+++ b/arch/arm/mach-s3c2410/irq.c
@@ -39,9 +39,22 @@ static struct sysdev_driver s3c2410_irq_driver = {
.resume = s3c24xx_irq_resume,
};
-static int s3c2410_irq_init(void)
+static int __init s3c2410_irq_init(void)
{
return sysdev_driver_register(&s3c2410_sysclass, &s3c2410_irq_driver);
}
arch_initcall(s3c2410_irq_init);
+
+static struct sysdev_driver s3c2410a_irq_driver = {
+ .add = s3c2410_irq_add,
+ .suspend = s3c24xx_irq_suspend,
+ .resume = s3c24xx_irq_resume,
+};
+
+static int __init s3c2410a_irq_init(void)
+{
+ return sysdev_driver_register(&s3c2410a_sysclass, &s3c2410a_irq_driver);
+}
+
+arch_initcall(s3c2410a_irq_init);
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 06670bb89cab..647c9adb018f 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -60,6 +60,7 @@
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/cpu.h>
+#include <plat/cpu-freq.h>
#include "usb-simtec.h"
#include "nor-simtec.h"
@@ -601,6 +602,12 @@ static struct clk *bast_clocks[] __initdata = {
&s3c24xx_uclk,
};
+static struct s3c_cpufreq_board __initdata bast_cpufreq = {
+ .refresh = 7800, /* 7.8usec */
+ .auto_io = 1,
+ .need_io = 1,
+};
+
static void __init bast_map_io(void)
{
/* initialise the clocks */
@@ -640,6 +647,8 @@ static void __init bast_init(void)
usb_simtec_init();
nor_simtec_init();
+
+ s3c_cpufreq_setboard(&bast_cpufreq);
}
MACHINE_START(BAST, "Simtec-BAST")
diff --git a/arch/arm/mach-s3c2410/pll.c b/arch/arm/mach-s3c2410/pll.c
new file mode 100644
index 000000000000..f178c2fd9d85
--- /dev/null
+++ b/arch/arm/mach-s3c2410/pll.c
@@ -0,0 +1,95 @@
+/* arch/arm/mach-s3c2410/pll.c
+ *
+ * Copyright (c) 2006,2007 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ * Vincent Sanders <vince@arm.linux.org.uk>
+ *
+ * S3C2410 CPU PLL tables
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/sysdev.h>
+#include <linux/list.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+#include <plat/cpu.h>
+#include <plat/cpu-freq-core.h>
+
+static struct cpufreq_frequency_table pll_vals_12MHz[] = {
+ { .frequency = 34000000, .index = PLLVAL(82, 2, 3), },
+ { .frequency = 45000000, .index = PLLVAL(82, 1, 3), },
+ { .frequency = 51000000, .index = PLLVAL(161, 3, 3), },
+ { .frequency = 48000000, .index = PLLVAL(120, 2, 3), },
+ { .frequency = 56000000, .index = PLLVAL(142, 2, 3), },
+ { .frequency = 68000000, .index = PLLVAL(82, 2, 2), },
+ { .frequency = 79000000, .index = PLLVAL(71, 1, 2), },
+ { .frequency = 85000000, .index = PLLVAL(105, 2, 2), },
+ { .frequency = 90000000, .index = PLLVAL(112, 2, 2), },
+ { .frequency = 101000000, .index = PLLVAL(127, 2, 2), },
+ { .frequency = 113000000, .index = PLLVAL(105, 1, 2), },
+ { .frequency = 118000000, .index = PLLVAL(150, 2, 2), },
+ { .frequency = 124000000, .index = PLLVAL(116, 1, 2), },
+ { .frequency = 135000000, .index = PLLVAL(82, 2, 1), },
+ { .frequency = 147000000, .index = PLLVAL(90, 2, 1), },
+ { .frequency = 152000000, .index = PLLVAL(68, 1, 1), },
+ { .frequency = 158000000, .index = PLLVAL(71, 1, 1), },
+ { .frequency = 170000000, .index = PLLVAL(77, 1, 1), },
+ { .frequency = 180000000, .index = PLLVAL(82, 1, 1), },
+ { .frequency = 186000000, .index = PLLVAL(85, 1, 1), },
+ { .frequency = 192000000, .index = PLLVAL(88, 1, 1), },
+ { .frequency = 203000000, .index = PLLVAL(161, 3, 1), },
+
+ /* 2410A extras */
+
+ { .frequency = 210000000, .index = PLLVAL(132, 2, 1), },
+ { .frequency = 226000000, .index = PLLVAL(105, 1, 1), },
+ { .frequency = 266000000, .index = PLLVAL(125, 1, 1), },
+ { .frequency = 268000000, .index = PLLVAL(126, 1, 1), },
+ { .frequency = 270000000, .index = PLLVAL(127, 1, 1), },
+};
+
+static int s3c2410_plls_add(struct sys_device *dev)
+{
+ return s3c_plltab_register(pll_vals_12MHz, ARRAY_SIZE(pll_vals_12MHz));
+}
+
+static struct sysdev_driver s3c2410_plls_drv = {
+ .add = s3c2410_plls_add,
+};
+
+static int __init s3c2410_pll_init(void)
+{
+ return sysdev_driver_register(&s3c2410_sysclass, &s3c2410_plls_drv);
+
+}
+
+arch_initcall(s3c2410_pll_init);
+
+static struct sysdev_driver s3c2410a_plls_drv = {
+ .add = s3c2410_plls_add,
+};
+
+static int __init s3c2410a_pll_init(void)
+{
+ return sysdev_driver_register(&s3c2410a_sysclass, &s3c2410a_plls_drv);
+}
+
+arch_initcall(s3c2410a_pll_init);
diff --git a/arch/arm/mach-s3c2410/pm.c b/arch/arm/mach-s3c2410/pm.c
index 143e08a599d4..966119c8efee 100644
--- a/arch/arm/mach-s3c2410/pm.c
+++ b/arch/arm/mach-s3c2410/pm.c
@@ -119,6 +119,18 @@ static int __init s3c2410_pm_drvinit(void)
}
arch_initcall(s3c2410_pm_drvinit);
+
+static struct sysdev_driver s3c2410a_pm_driver = {
+ .add = s3c2410_pm_add,
+ .resume = s3c2410_pm_resume,
+};
+
+static int __init s3c2410a_pm_drvinit(void)
+{
+ return sysdev_driver_register(&s3c2410a_sysclass, &s3c2410a_pm_driver);
+}
+
+arch_initcall(s3c2410a_pm_drvinit);
#endif
#if defined(CONFIG_CPU_S3C2440)
diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c
index feb141b1f915..91ba42f688ac 100644
--- a/arch/arm/mach-s3c2410/s3c2410.c
+++ b/arch/arm/mach-s3c2410/s3c2410.c
@@ -105,17 +105,33 @@ void __init_or_cpufreq s3c2410_setup_clocks(void)
s3c24xx_setup_clocks(fclk, hclk, pclk);
}
+/* fake ARMCLK for use with cpufreq, etc. */
+
+static struct clk s3c2410_armclk = {
+ .name = "armclk",
+ .parent = &clk_f,
+ .id = -1,
+};
+
void __init s3c2410_init_clocks(int xtal)
{
s3c24xx_register_baseclocks(xtal);
s3c2410_setup_clocks();
s3c2410_baseclk_add();
+ s3c24xx_register_clock(&s3c2410_armclk);
}
struct sysdev_class s3c2410_sysclass = {
.name = "s3c2410-core",
};
+/* Note, we would have liked to name this s3c2410-core, but we cannot
+ * register two sysdev_class with the same name.
+ */
+struct sysdev_class s3c2410a_sysclass = {
+ .name = "s3c2410a-core",
+};
+
static struct sys_device s3c2410_sysdev = {
.cls = &s3c2410_sysclass,
};
@@ -133,9 +149,22 @@ static int __init s3c2410_core_init(void)
core_initcall(s3c2410_core_init);
+static int __init s3c2410a_core_init(void)
+{
+ return sysdev_class_register(&s3c2410a_sysclass);
+}
+
+core_initcall(s3c2410a_core_init);
+
int __init s3c2410_init(void)
{
printk("S3C2410: Initialising architecture\n");
return sysdev_register(&s3c2410_sysdev);
}
+
+int __init s3c2410a_init(void)
+{
+ s3c2410_sysdev.cls = &s3c2410a_sysclass;
+ return s3c2410_init();
+}