ARM: orion5x: Refactor mpp code to use common orion platform mpp.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>

1 files changed, 15 insertions, 135 deletions

diff --git a/arch/arm/mach-orion5x/mpp.c b/arch/arm/mach-orion5x/mpp.c
index 2288207726e4..f12c41b98d46 100644
--- a/arch/arm/mach-orion5x/mpp.c
+++ b/arch/arm/mach-orion5x/mpp.c
@@ -12,154 +12,34 @@
 #include <linux/init.h>
 #include <linux/mbus.h>
 #include <linux/io.h>
-#include <asm/gpio.h>
 #include <mach/hardware.h>
-#include "common.h"
+#include <plat/mpp.h>
 #include "mpp.h"
+#include "common.h"
 
-static int is_5181l(void)
-{
-        u32 dev;
-        u32 rev;
-
-        orion5x_pcie_id(&dev, &rev);
-
-        return !!(dev == MV88F5181_DEV_ID && rev >= MV88F5181L_REV_A0);
-}
-
-static int is_5182(void)
+static unsigned int __init orion5x_variant(void)
 {
         u32 dev;
         u32 rev;
 
         orion5x_pcie_id(&dev, &rev);
 
-        return !!(dev == MV88F5182_DEV_ID);
-}
+        if (dev == MV88F5181_DEV_ID && rev >= MV88F5181L_REV_A0)
+                return MPP_F5181_MASK;
 
-static int is_5281(void)
-{
-        u32 dev;
-        u32 rev;
+        if (dev == MV88F5182_DEV_ID)
+                return MPP_F5182_MASK;
 
-        orion5x_pcie_id(&dev, &rev);
+        if (dev == MV88F5281_DEV_ID)
+                return MPP_F5281_MASK;
 
-        return !!(dev == MV88F5281_DEV_ID);
+        printk(KERN_ERR "MPP setup: unknown orion5x variant "
+               "(dev %#x rev %#x)\n", dev, rev);
+        return 0;
 }
 
-static int __init determine_type_encoding(int mpp, enum orion5x_mpp_type type)
+void __init orion5x_mpp_conf(unsigned int *mpp_list)
 {
-        switch (type) {
-        case MPP_UNUSED:
-        case MPP_GPIO:
-                if (mpp == 0)
-                        return 3;
-                if (mpp >= 1 && mpp <= 15)
-                        return 0;
-                if (mpp >= 16 && mpp <= 19) {
-                        if (is_5182())
-                                return 5;
-                        if (type == MPP_UNUSED)
-                                return 0;
-                }
-                return -1;
-
-        case MPP_PCIE_RST_OUTn:
-                if (mpp == 0)
-                        return 0;
-                return -1;
-
-        case MPP_PCI_ARB:
-                if (mpp >= 0 && mpp <= 7)
-                        return 2;
-                return -1;
-
-        case MPP_PCI_PMEn:
-                if (mpp == 2)
-                        return 3;
-                return -1;
-
-        case MPP_GIGE:
-                if (mpp >= 8 && mpp <= 19)
-                        return 1;
-                return -1;
-
-        case MPP_NAND:
-                if (is_5182() || is_5281()) {
-                        if (mpp >= 4 && mpp <= 7)
-                                return 4;
-                        if (mpp >= 12 && mpp <= 17)
-                                return 4;
-                }
-                return -1;
-
-        case MPP_PCI_CLK:
-                if (is_5181l() && mpp >= 6 && mpp <= 7)
-                        return 5;
-                return -1;
-
-        case MPP_SATA_LED:
-                if (is_5182()) {
-                        if (mpp >= 4 && mpp <= 7)
-                                return 5;
-                        if (mpp >= 12 && mpp <= 15)
-                                return 5;
-                }
-                return -1;
-
-        case MPP_UART:
-                if (mpp >= 16 && mpp <= 19)
-                        return 0;
-                return -1;
-        }
-
-        printk(KERN_INFO "unknown MPP type %d\n", type);
-
-        return -1;
-}
-
-void __init orion5x_mpp_conf(struct orion5x_mpp_mode *mode)
-{
-        u32 mpp_0_7_ctrl = readl(MPP_0_7_CTRL);
-        u32 mpp_8_15_ctrl = readl(MPP_8_15_CTRL);
-        u32 mpp_16_19_ctrl = readl(MPP_16_19_CTRL);
-
-        for ( ; mode->mpp >= 0; mode++) {
-                u32 *reg;
-                int num_type;
-                int shift;
-
-                if (mode->mpp >= 0 && mode->mpp <= 7)
-                        reg = &mpp_0_7_ctrl;
-                else if (mode->mpp >= 8 && mode->mpp <= 15)
-                        reg = &mpp_8_15_ctrl;
-                else if (mode->mpp >= 16 && mode->mpp <= 19)
-                        reg = &mpp_16_19_ctrl;
-                else {
-                        printk(KERN_ERR "orion5x_mpp_conf: invalid MPP "
-                                        "(%d)\n", mode->mpp);
-                        continue;
-                }
-
-                num_type = determine_type_encoding(mode->mpp, mode->type);
-                if (num_type < 0) {
-                        printk(KERN_ERR "orion5x_mpp_conf: invalid MPP "
-                                        "combination (%d, %d)\n", mode->mpp,
-                                        mode->type);
-                        continue;
-                }
-
-                shift = (mode->mpp & 7) << 2;
-                *reg &= ~(0xf << shift);
-                *reg |= (num_type & 0xf) << shift;
-
-                if (mode->type == MPP_UNUSED && (mode->mpp < 16 || is_5182()))
-                        orion_gpio_set_unused(mode->mpp);
-
-                orion_gpio_set_valid(mode->mpp, !!(mode->type == MPP_GPIO));
-        }
-
-        writel(mpp_0_7_ctrl, MPP_0_7_CTRL);
-        writel(mpp_8_15_ctrl, MPP_8_15_CTRL);
-        writel(mpp_16_19_ctrl, MPP_16_19_CTRL);
+        orion_mpp_conf(mpp_list, orion5x_variant(),
+                       MPP_MAX, ORION5X_DEV_BUS_VIRT_BASE);
 }