X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Farm%2Fmach-sa1100%2Fcpu-sa1110.c;h=04c94ab6c18b19f7eac1ffc47a5e11bfe11bed38;hb=9464c7cf61b9433057924c36e6e02f303a00e768;hp=639597729932e5ce821569f03fcd19184b4515fc;hpb=41689045f6a3cbe0550e1d34e9cc20d2e8c432ba;p=linux-2.6.git

diff --git a/arch/arm/mach-sa1100/cpu-sa1110.c b/arch/arm/mach-sa1100/cpu-sa1110.c
index 639597729..04c94ab6c 100644
--- a/arch/arm/mach-sa1100/cpu-sa1110.c
+++ b/arch/arm/mach-sa1100/cpu-sa1110.c
@@ -15,10 +15,7 @@
  *      SDRAM reads (rev A0, B0, B1)
  *
  * We ignore rev. A0 and B0 devices; I don't think they're worth supporting.
- *
- * The SDRAM type can be passed on the command line as cpu_sa1110.sdram=type
  */
-#include <linux/moduleparam.h>
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -38,7 +35,6 @@
 static struct cpufreq_driver sa1110_driver;
 
 struct sdram_params {
-	const char name[16];
 	u_char  rows;		/* bits				 */
 	u_char  cas_latency;	/* cycles			 */
 	u_char  tck;		/* clock cycle time (ns)	 */
@@ -54,53 +50,54 @@ struct sdram_info {
 	u_int	mdcas[3];
 };
 
-static struct sdram_params sdram_tbl[] __initdata = {
-	{	/* Toshiba TC59SM716 CL2 */
-		.name		= "TC59SM716-CL2",
-		.rows		= 12,
-		.tck		= 10,
-		.trcd		= 20,
-		.trp		= 20,
-		.twr		= 10,
-		.refresh	= 64000,
-		.cas_latency	= 2,
-	}, {	/* Toshiba TC59SM716 CL3 */
-		.name		= "TC59SM716-CL3",
-		.rows		= 12,
-		.tck		= 8,
-		.trcd		= 20,
-		.trp		= 20,
-		.twr		= 8,
-		.refresh	= 64000,
-		.cas_latency	= 3,
-	}, {	/* Samsung K4S641632D TC75 */
-		.name		= "K4S641632D",
-		.rows		= 14,
-		.tck		= 9,
-		.trcd		= 27,
-		.trp		= 20,
-		.twr		= 9,
-		.refresh	= 64000,
-		.cas_latency	= 3,
-	}, {	/* Samsung KM416S4030CT */
-		.name		= "KM416S4030CT",
-		.rows		= 13,
-		.tck		= 8,
-		.trcd		= 24,	/* 3 CLKs */
-		.trp		= 24,	/* 3 CLKs */
-		.twr		= 16,	/* Trdl: 2 CLKs */
-		.refresh	= 64000,
-		.cas_latency	= 3,
-	}, {	/* Winbond W982516AH75L CL3 */
-		.name		= "W982516AH75L",
-		.rows		= 16,
-		.tck		= 8,
-		.trcd		= 20,
-		.trp		= 20,
-		.twr		= 8,
-		.refresh	= 64000,
-		.cas_latency	= 3,
-	},
+static struct sdram_params tc59sm716_cl2_params __initdata = {
+	.rows			= 12,
+	.tck			= 10,
+	.trcd			= 20,
+	.trp			= 20,
+	.twr			= 10,
+	.refresh		= 64000,
+	.cas_latency		= 2,
+};
+
+static struct sdram_params tc59sm716_cl3_params __initdata = {
+	.rows			= 12,
+	.tck			= 8,
+	.trcd			= 20,
+	.trp			= 20,
+	.twr			= 8,
+	.refresh		= 64000,
+	.cas_latency		= 3,
+};
+
+static struct sdram_params samsung_k4s641632d_tc75 __initdata = {
+	.rows			= 14,
+	.tck			= 9,
+	.trcd			= 27,
+	.trp			= 20,
+	.twr			= 9,
+	.refresh		= 64000,
+	.cas_latency		= 3,
+};
+
+static struct sdram_params samsung_km416s4030ct __initdata = {
+	.rows			= 13,
+	.tck			= 8,
+	.trcd			= 24,	/* 3 CLKs */
+	.trp			= 24,	/* 3 CLKs */
+	.twr			= 16,	/* Trdl: 2 CLKs */
+	.refresh		= 64000,
+	.cas_latency		= 3,
+};
+
+static struct sdram_params wbond_w982516ah75l_cl3_params __initdata = {
+	.rows			= 16,
+	.tck			= 8,
+	.trcd			= 20,
+	.trp			= 20,
+	.twr			= 8,
+	.refresh		= 64000,
+	.cas_latency		= 3,
 };
 
 static struct sdram_params sdram_params;
@@ -339,36 +336,19 @@ static struct cpufreq_driver sa1110_driver = {
 	.name		= "sa1110",
 };
 
-static struct sdram_params *sa1110_find_sdram(const char *name)
-{
-	struct sdram_params *sdram;
-
-	for (sdram = sdram_tbl; sdram < sdram_tbl + ARRAY_SIZE(sdram_tbl); sdram++)
-		if (strcmp(name, sdram->name) == 0)
-			return sdram;
-
-	return NULL;
-}
-
-static char sdram_name[16];
-
 static int __init sa1110_clk_init(void)
 {
-	struct sdram_params *sdram;
-	const char *name = sdram_name;
+	struct sdram_params *sdram = NULL;
 
-	if (!name[0]) {
-		if (machine_is_assabet())
-			name = "TC59SM716-CL3";
+	if (machine_is_assabet())
+		sdram = &tc59sm716_cl3_params;
 
-		if (machine_is_pt_system3())
-			name = "K4S641632D";
+	if (machine_is_pt_system3())
+		sdram = &samsung_k4s641632d_tc75;
 
-		if (machine_is_h3100())
-			name = "KM416S4030CT";
-	}
+	if (machine_is_h3100())
+		sdram = &samsung_km416s4030ct;
 
-	sdram = sa1110_find_sdram(name);
 	if (sdram) {
 		printk(KERN_DEBUG "SDRAM: tck: %d trcd: %d trp: %d"
 			" twr: %d refresh: %d cas_latency: %d\n",
@@ -383,5 +363,4 @@ static int __init sa1110_clk_init(void)
 	return 0;
 }
 
-module_param_string(sdram, sdram_name, sizeof(sdram_name), 0);
 arch_initcall(sa1110_clk_init);