sh: migrate SH_CLK_MD to mode pin API.

This kills off the hardcoded SH_CLK_MD introduced by the SH-2 boards and
converts over to the mode pin API.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

4 files changed, 40 insertions, 43 deletions

diff --git a/arch/sh/kernel/cpu/sh2/clock-sh7619.c b/arch/sh/kernel/cpu/sh2/clock-sh7619.c
index 0c9f24d7a02f..5b7f12e58a8d 100644
--- a/arch/sh/kernel/cpu/sh2/clock-sh7619.c
+++ b/arch/sh/kernel/cpu/sh2/clock-sh7619.c
@@ -14,24 +14,18 @@
  */
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <linux/io.h>
 #include <asm/clock.h>
 #include <asm/freq.h>
-#include <asm/io.h>
+#include <asm/processor.h>
 
 static const int pll1rate[] = {1,2};
 static const int pfc_divisors[] = {1,2,0,4};
-
-#if (CONFIG_SH_CLK_MD == 1) || (CONFIG_SH_CLK_MD == 2)
-#define PLL2 (4)
-#elif (CONFIG_SH_CLK_MD == 5) || (CONFIG_SH_CLK_MD == 6)
-#define PLL2 (2)
-#else
-#error "Illigal Clock Mode!"
-#endif
+static unsigned int pll2_mult;
 
 static void master_clk_init(struct clk *clk)
 {
-        clk->rate *= PLL2 * pll1rate[(__raw_readw(FREQCR) >> 8) & 7];
+        clk->rate *= pll2_mult * pll1rate[(__raw_readw(FREQCR) >> 8) & 7];
 }
 
 static struct clk_ops sh7619_master_clk_ops = {
@@ -70,6 +64,14 @@ static struct clk_ops *sh7619_clk_ops[] = {
 
 void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
 {
+        if (test_mode_pin(MODE_PIN2 | MODE_PIN0) ||
+            test_mode_pin(MODE_PIN2 | MODE_PIN1))
+                pll2_mult = 2;
+        else if (test_mode_pin(MODE_PIN0) || test_mode_pin(MODE_PIN1))
+                pll2_mult = 4;
+
+        BUG_ON(!pll2_mult);
+
         if (idx < ARRAY_SIZE(sh7619_clk_ops))
                 *ops = sh7619_clk_ops[idx];
 }
diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7201.c b/arch/sh/kernel/cpu/sh2a/clock-sh7201.c
index b26264dc2aef..1174e2d96c03 100644
--- a/arch/sh/kernel/cpu/sh2a/clock-sh7201.c
+++ b/arch/sh/kernel/cpu/sh2a/clock-sh7201.c
@@ -22,19 +22,12 @@ static const int pll1rate[]={1,2,3,4,6,8};
 static const int pfc_divisors[]={1,2,3,4,6,8,12};
 #define ifc_divisors pfc_divisors
 
-#if (CONFIG_SH_CLK_MD == 0)
-#define PLL2 (4)
-#elif (CONFIG_SH_CLK_MD == 2)
-#define PLL2 (2)
-#elif (CONFIG_SH_CLK_MD == 3)
-#define PLL2 (1)
-#else
-#error "Illegal Clock Mode!"
-#endif
+static unsigned int pll2_mult;
 
 static void master_clk_init(struct clk *clk)
 {
-        return 10000000 * PLL2 * pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0007];
+        clk->rate = 10000000 * pll2_mult *
+               pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0007];
 }
 
 static struct clk_ops sh7201_master_clk_ops = {
@@ -80,6 +73,13 @@ static struct clk_ops *sh7201_clk_ops[] = {
 
 void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
 {
+        if (test_mode_pin(MODE_PIN1 | MODE_PIN0))
+                pll2_mult = 1;
+        else if (test_mode_pin(MODE_PIN1))
+                pll2_mult = 2;
+        else
+                pll2_mult = 4;
+
         if (idx < ARRAY_SIZE(sh7201_clk_ops))
                 *ops = sh7201_clk_ops[idx];
 }
diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
index 7e75d8f79502..95a008e8b735 100644
--- a/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
+++ b/arch/sh/kernel/cpu/sh2a/clock-sh7203.c
@@ -25,21 +25,11 @@ static const int pll1rate[]={8,12,16,0};
 static const int pfc_divisors[]={1,2,3,4,6,8,12};
 #define ifc_divisors pfc_divisors
 
-#if (CONFIG_SH_CLK_MD == 0)
-#define PLL2 (1)
-#elif (CONFIG_SH_CLK_MD == 1)
-#define PLL2 (2)
-#elif (CONFIG_SH_CLK_MD == 2)
-#define PLL2 (4)
-#elif (CONFIG_SH_CLK_MD == 3)
-#define PLL2 (4)
-#else
-#error "Illegal Clock Mode!"
-#endif
+static unsigned int pll2_mult;
 
 static void master_clk_init(struct clk *clk)
 {
-        clk->rate *= pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0003] * PLL2 ;
+        clk->rate *= pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0003] * pll2_mult;
 }
 
 static struct clk_ops sh7203_master_clk_ops = {
@@ -79,6 +69,13 @@ static struct clk_ops *sh7203_clk_ops[] = {
 
 void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
 {
+        if (test_mode_pin(MODE_PIN1))
+                pll2_mult = 4;
+        else if (test_mode_pin(MODE_PIN0))
+                pll2_mult = 2;
+        else
+                pll2_mult = 1;
+
         if (idx < ARRAY_SIZE(sh7203_clk_ops))
                 *ops = sh7203_clk_ops[idx];
 }
diff --git a/arch/sh/kernel/cpu/sh2a/clock-sh7206.c b/arch/sh/kernel/cpu/sh2a/clock-sh7206.c
index b27a5e2687ab..3c314d7cd6e6 100644
--- a/arch/sh/kernel/cpu/sh2a/clock-sh7206.c
+++ b/arch/sh/kernel/cpu/sh2a/clock-sh7206.c
@@ -22,19 +22,11 @@ static const int pll1rate[]={1,2,3,4,6,8};
 static const int pfc_divisors[]={1,2,3,4,6,8,12};
 #define ifc_divisors pfc_divisors
 
-#if (CONFIG_SH_CLK_MD == 2)
-#define PLL2 (4)
-#elif (CONFIG_SH_CLK_MD == 6)
-#define PLL2 (2)
-#elif (CONFIG_SH_CLK_MD == 7)
-#define PLL2 (1)
-#else
-#error "Illigal Clock Mode!"
-#endif
+static unsigned int pll2_mult;
 
 static void master_clk_init(struct clk *clk)
 {
-        clk->rate *= PLL2 * pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0007];
+        clk->rate *= pll2_mult * pll1rate[(__raw_readw(FREQCR) >> 8) & 0x0007];
 }
 
 static struct clk_ops sh7206_master_clk_ops = {
@@ -79,7 +71,13 @@ static struct clk_ops *sh7206_clk_ops[] = {
 
 void __init arch_init_clk_ops(struct clk_ops **ops, int idx)
 {
+        if (test_mode_pin(MODE_PIN2 | MODE_PIN1 | MODE_PIN0))
+                pll2_mult = 1;
+        else if (test_mode_pin(MODE_PIN2 | MODE_PIN1))
+                pll2_mult = 2;
+        else if (test_mode_pin(MODE_PIN1))
+                pll2_mult = 4;
+
         if (idx < ARRAY_SIZE(sh7206_clk_ops))
                 *ops = sh7206_clk_ops[idx];
 }
-