[U-Boot] [PATCH] SAMSUNG: make s5p common gpio functions
Minkyu Kang
mk7.kang at samsung.com
Wed Mar 24 09:41:18 CET 2010
Because of s5pc1xx gpio is same as s5p seires SoC,
move gpio functions to drvier/gpio/
and modify structure's name from s5pc1xx_ to s5p_.
Signed-off-by: Minkyu Kang <mk7.kang at samsung.com>
---
cpu/arm_cortexa8/s5pc1xx/Makefile | 1 -
cpu/arm_cortexa8/s5pc1xx/gpio.c | 143 --------------------------
drivers/gpio/Makefile | 1 +
drivers/gpio/s5p_gpio.c | 143 ++++++++++++++++++++++++++
include/asm-arm/arch-s5pc1xx/gpio.h | 192 +++++++++++++++++-----------------
5 files changed, 240 insertions(+), 240 deletions(-)
delete mode 100644 cpu/arm_cortexa8/s5pc1xx/gpio.c
create mode 100644 drivers/gpio/s5p_gpio.c
diff --git a/cpu/arm_cortexa8/s5pc1xx/Makefile b/cpu/arm_cortexa8/s5pc1xx/Makefile
index 01c93fe..3785593 100644
--- a/cpu/arm_cortexa8/s5pc1xx/Makefile
+++ b/cpu/arm_cortexa8/s5pc1xx/Makefile
@@ -33,7 +33,6 @@ SOBJS += reset.o
COBJS += clock.o
COBJS += cpu_info.o
-COBJS += gpio.o
COBJS += sromc.o
COBJS += timer.o
diff --git a/cpu/arm_cortexa8/s5pc1xx/gpio.c b/cpu/arm_cortexa8/s5pc1xx/gpio.c
deleted file mode 100644
index a97244b..0000000
--- a/cpu/arm_cortexa8/s5pc1xx/gpio.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * (C) Copyright 2009 Samsung Electronics
- * Minkyu Kang <mk7.kang at samsung.com>
- *
- * 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 <common.h>
-#include <asm/io.h>
-#include <asm/arch/gpio.h>
-
-#define CON_MASK(x) (0xf << ((x) << 2))
-#define CON_SFR(x, v) ((v) << ((x) << 2))
-
-#define DAT_MASK(x) (0x1 << (x))
-#define DAT_SET(x) (0x1 << (x))
-
-#define PULL_MASK(x) (0x3 << ((x) << 1))
-#define PULL_MODE(x, v) ((v) << ((x) << 1))
-
-#define DRV_MASK(x) (0x3 << ((x) << 1))
-#define DRV_SET(x, m) ((m) << ((x) << 1))
-#define RATE_MASK(x) (0x1 << (x + 16))
-#define RATE_SET(x) (0x1 << (x + 16))
-
-void gpio_cfg_pin(struct s5pc1xx_gpio_bank *bank, int gpio, int cfg)
-{
- unsigned int value;
-
- value = readl(&bank->con);
- value &= ~CON_MASK(gpio);
- value |= CON_SFR(gpio, cfg);
- writel(value, &bank->con);
-}
-
-void gpio_direction_output(struct s5pc1xx_gpio_bank *bank, int gpio, int en)
-{
- unsigned int value;
-
- gpio_cfg_pin(bank, gpio, GPIO_OUTPUT);
-
- value = readl(&bank->dat);
- value &= ~DAT_MASK(gpio);
- if (en)
- value |= DAT_SET(gpio);
- writel(value, &bank->dat);
-}
-
-void gpio_direction_input(struct s5pc1xx_gpio_bank *bank, int gpio)
-{
- gpio_cfg_pin(bank, gpio, GPIO_INPUT);
-}
-
-void gpio_set_value(struct s5pc1xx_gpio_bank *bank, int gpio, int en)
-{
- unsigned int value;
-
- value = readl(&bank->dat);
- value &= ~DAT_MASK(gpio);
- if (en)
- value |= DAT_SET(gpio);
- writel(value, &bank->dat);
-}
-
-unsigned int gpio_get_value(struct s5pc1xx_gpio_bank *bank, int gpio)
-{
- unsigned int value;
-
- value = readl(&bank->dat);
- return !!(value & DAT_MASK(gpio));
-}
-
-void gpio_set_pull(struct s5pc1xx_gpio_bank *bank, int gpio, int mode)
-{
- unsigned int value;
-
- value = readl(&bank->pull);
- value &= ~PULL_MASK(gpio);
-
- switch (mode) {
- case GPIO_PULL_DOWN:
- case GPIO_PULL_UP:
- value |= PULL_MODE(gpio, mode);
- break;
- default:
- return;
- }
-
- writel(value, &bank->pull);
-}
-
-void gpio_set_drv(struct s5pc1xx_gpio_bank *bank, int gpio, int mode)
-{
- unsigned int value;
-
- value = readl(&bank->drv);
- value &= ~DRV_MASK(gpio);
-
- switch (mode) {
- case GPIO_DRV_1X:
- case GPIO_DRV_2X:
- case GPIO_DRV_3X:
- case GPIO_DRV_4X:
- value |= DRV_SET(gpio, mode);
- break;
- default:
- return;
- }
-
- writel(value, &bank->drv);
-}
-
-void gpio_set_rate(struct s5pc1xx_gpio_bank *bank, int gpio, int mode)
-{
- unsigned int value;
-
- value = readl(&bank->drv);
- value &= ~RATE_MASK(gpio);
-
- switch (mode) {
- case GPIO_DRV_FAST:
- case GPIO_DRV_SLOW:
- value |= RATE_SET(gpio);
- break;
- default:
- return;
- }
-
- writel(value, &bank->drv);
-}
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index d966082..528ca2e 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -29,6 +29,7 @@ COBJS-$(CONFIG_AT91_GPIO) += at91_gpio.o
COBJS-$(CONFIG_KIRKWOOD_GPIO) += kw_gpio.o
COBJS-$(CONFIG_MX31_GPIO) += mx31_gpio.o
COBJS-$(CONFIG_PCA953X) += pca953x.o
+COBJS-$(CONFIG_S5PC1XX) += s5p_gpio.o
COBJS := $(COBJS-y)
SRCS := $(COBJS:.o=.c)
diff --git a/drivers/gpio/s5p_gpio.c b/drivers/gpio/s5p_gpio.c
new file mode 100644
index 0000000..0439477
--- /dev/null
+++ b/drivers/gpio/s5p_gpio.c
@@ -0,0 +1,143 @@
+/*
+ * (C) Copyright 2009 Samsung Electronics
+ * Minkyu Kang <mk7.kang at samsung.com>
+ *
+ * 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 <common.h>
+#include <asm/io.h>
+#include <asm/arch/gpio.h>
+
+#define CON_MASK(x) (0xf << ((x) << 2))
+#define CON_SFR(x, v) ((v) << ((x) << 2))
+
+#define DAT_MASK(x) (0x1 << (x))
+#define DAT_SET(x) (0x1 << (x))
+
+#define PULL_MASK(x) (0x3 << ((x) << 1))
+#define PULL_MODE(x, v) ((v) << ((x) << 1))
+
+#define DRV_MASK(x) (0x3 << ((x) << 1))
+#define DRV_SET(x, m) ((m) << ((x) << 1))
+#define RATE_MASK(x) (0x1 << (x + 16))
+#define RATE_SET(x) (0x1 << (x + 16))
+
+void gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg)
+{
+ unsigned int value;
+
+ value = readl(&bank->con);
+ value &= ~CON_MASK(gpio);
+ value |= CON_SFR(gpio, cfg);
+ writel(value, &bank->con);
+}
+
+void gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en)
+{
+ unsigned int value;
+
+ gpio_cfg_pin(bank, gpio, GPIO_OUTPUT);
+
+ value = readl(&bank->dat);
+ value &= ~DAT_MASK(gpio);
+ if (en)
+ value |= DAT_SET(gpio);
+ writel(value, &bank->dat);
+}
+
+void gpio_direction_input(struct s5p_gpio_bank *bank, int gpio)
+{
+ gpio_cfg_pin(bank, gpio, GPIO_INPUT);
+}
+
+void gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en)
+{
+ unsigned int value;
+
+ value = readl(&bank->dat);
+ value &= ~DAT_MASK(gpio);
+ if (en)
+ value |= DAT_SET(gpio);
+ writel(value, &bank->dat);
+}
+
+unsigned int gpio_get_value(struct s5p_gpio_bank *bank, int gpio)
+{
+ unsigned int value;
+
+ value = readl(&bank->dat);
+ return !!(value & DAT_MASK(gpio));
+}
+
+void gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode)
+{
+ unsigned int value;
+
+ value = readl(&bank->pull);
+ value &= ~PULL_MASK(gpio);
+
+ switch (mode) {
+ case GPIO_PULL_DOWN:
+ case GPIO_PULL_UP:
+ value |= PULL_MODE(gpio, mode);
+ break;
+ default:
+ return;
+ }
+
+ writel(value, &bank->pull);
+}
+
+void gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode)
+{
+ unsigned int value;
+
+ value = readl(&bank->drv);
+ value &= ~DRV_MASK(gpio);
+
+ switch (mode) {
+ case GPIO_DRV_1X:
+ case GPIO_DRV_2X:
+ case GPIO_DRV_3X:
+ case GPIO_DRV_4X:
+ value |= DRV_SET(gpio, mode);
+ break;
+ default:
+ return;
+ }
+
+ writel(value, &bank->drv);
+}
+
+void gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode)
+{
+ unsigned int value;
+
+ value = readl(&bank->drv);
+ value &= ~RATE_MASK(gpio);
+
+ switch (mode) {
+ case GPIO_DRV_FAST:
+ case GPIO_DRV_SLOW:
+ value |= RATE_SET(gpio);
+ break;
+ default:
+ return;
+ }
+
+ writel(value, &bank->drv);
+}
diff --git a/include/asm-arm/arch-s5pc1xx/gpio.h b/include/asm-arm/arch-s5pc1xx/gpio.h
index 8e4bb86..9a7faed 100644
--- a/include/asm-arm/arch-s5pc1xx/gpio.h
+++ b/include/asm-arm/arch-s5pc1xx/gpio.h
@@ -22,7 +22,7 @@
#define __ASM_ARCH_GPIO_H
#ifndef __ASSEMBLY__
-struct s5pc1xx_gpio_bank {
+struct s5p_gpio_bank {
unsigned int con;
unsigned int dat;
unsigned int pull;
@@ -33,107 +33,107 @@ struct s5pc1xx_gpio_bank {
};
struct s5pc100_gpio {
- struct s5pc1xx_gpio_bank gpio_a0;
- struct s5pc1xx_gpio_bank gpio_a1;
- struct s5pc1xx_gpio_bank gpio_b;
- struct s5pc1xx_gpio_bank gpio_c;
- struct s5pc1xx_gpio_bank gpio_d;
- struct s5pc1xx_gpio_bank gpio_e0;
- struct s5pc1xx_gpio_bank gpio_e1;
- struct s5pc1xx_gpio_bank gpio_f0;
- struct s5pc1xx_gpio_bank gpio_f1;
- struct s5pc1xx_gpio_bank gpio_f2;
- struct s5pc1xx_gpio_bank gpio_f3;
- struct s5pc1xx_gpio_bank gpio_g0;
- struct s5pc1xx_gpio_bank gpio_g1;
- struct s5pc1xx_gpio_bank gpio_g2;
- struct s5pc1xx_gpio_bank gpio_g3;
- struct s5pc1xx_gpio_bank gpio_i;
- struct s5pc1xx_gpio_bank gpio_j0;
- struct s5pc1xx_gpio_bank gpio_j1;
- struct s5pc1xx_gpio_bank gpio_j2;
- struct s5pc1xx_gpio_bank gpio_j3;
- struct s5pc1xx_gpio_bank gpio_j4;
- struct s5pc1xx_gpio_bank gpio_k0;
- struct s5pc1xx_gpio_bank gpio_k1;
- struct s5pc1xx_gpio_bank gpio_k2;
- struct s5pc1xx_gpio_bank gpio_k3;
- struct s5pc1xx_gpio_bank gpio_l0;
- struct s5pc1xx_gpio_bank gpio_l1;
- struct s5pc1xx_gpio_bank gpio_l2;
- struct s5pc1xx_gpio_bank gpio_l3;
- struct s5pc1xx_gpio_bank gpio_l4;
- struct s5pc1xx_gpio_bank gpio_h0;
- struct s5pc1xx_gpio_bank gpio_h1;
- struct s5pc1xx_gpio_bank gpio_h2;
- struct s5pc1xx_gpio_bank gpio_h3;
+ struct s5p_gpio_bank gpio_a0;
+ struct s5p_gpio_bank gpio_a1;
+ struct s5p_gpio_bank gpio_b;
+ struct s5p_gpio_bank gpio_c;
+ struct s5p_gpio_bank gpio_d;
+ struct s5p_gpio_bank gpio_e0;
+ struct s5p_gpio_bank gpio_e1;
+ struct s5p_gpio_bank gpio_f0;
+ struct s5p_gpio_bank gpio_f1;
+ struct s5p_gpio_bank gpio_f2;
+ struct s5p_gpio_bank gpio_f3;
+ struct s5p_gpio_bank gpio_g0;
+ struct s5p_gpio_bank gpio_g1;
+ struct s5p_gpio_bank gpio_g2;
+ struct s5p_gpio_bank gpio_g3;
+ struct s5p_gpio_bank gpio_i;
+ struct s5p_gpio_bank gpio_j0;
+ struct s5p_gpio_bank gpio_j1;
+ struct s5p_gpio_bank gpio_j2;
+ struct s5p_gpio_bank gpio_j3;
+ struct s5p_gpio_bank gpio_j4;
+ struct s5p_gpio_bank gpio_k0;
+ struct s5p_gpio_bank gpio_k1;
+ struct s5p_gpio_bank gpio_k2;
+ struct s5p_gpio_bank gpio_k3;
+ struct s5p_gpio_bank gpio_l0;
+ struct s5p_gpio_bank gpio_l1;
+ struct s5p_gpio_bank gpio_l2;
+ struct s5p_gpio_bank gpio_l3;
+ struct s5p_gpio_bank gpio_l4;
+ struct s5p_gpio_bank gpio_h0;
+ struct s5p_gpio_bank gpio_h1;
+ struct s5p_gpio_bank gpio_h2;
+ struct s5p_gpio_bank gpio_h3;
};
struct s5pc110_gpio {
- struct s5pc1xx_gpio_bank gpio_a0;
- struct s5pc1xx_gpio_bank gpio_a1;
- struct s5pc1xx_gpio_bank gpio_b;
- struct s5pc1xx_gpio_bank gpio_c0;
- struct s5pc1xx_gpio_bank gpio_c1;
- struct s5pc1xx_gpio_bank gpio_d0;
- struct s5pc1xx_gpio_bank gpio_d1;
- struct s5pc1xx_gpio_bank gpio_e0;
- struct s5pc1xx_gpio_bank gpio_e1;
- struct s5pc1xx_gpio_bank gpio_f0;
- struct s5pc1xx_gpio_bank gpio_f1;
- struct s5pc1xx_gpio_bank gpio_f2;
- struct s5pc1xx_gpio_bank gpio_f3;
- struct s5pc1xx_gpio_bank gpio_g0;
- struct s5pc1xx_gpio_bank gpio_g1;
- struct s5pc1xx_gpio_bank gpio_g2;
- struct s5pc1xx_gpio_bank gpio_g3;
- struct s5pc1xx_gpio_bank gpio_i;
- struct s5pc1xx_gpio_bank gpio_j0;
- struct s5pc1xx_gpio_bank gpio_j1;
- struct s5pc1xx_gpio_bank gpio_j2;
- struct s5pc1xx_gpio_bank gpio_j3;
- struct s5pc1xx_gpio_bank gpio_j4;
- struct s5pc1xx_gpio_bank gpio_mp0_1;
- struct s5pc1xx_gpio_bank gpio_mp0_2;
- struct s5pc1xx_gpio_bank gpio_mp0_3;
- struct s5pc1xx_gpio_bank gpio_mp0_4;
- struct s5pc1xx_gpio_bank gpio_mp0_5;
- struct s5pc1xx_gpio_bank gpio_mp0_6;
- struct s5pc1xx_gpio_bank gpio_mp0_7;
- struct s5pc1xx_gpio_bank gpio_mp1_0;
- struct s5pc1xx_gpio_bank gpio_mp1_1;
- struct s5pc1xx_gpio_bank gpio_mp1_2;
- struct s5pc1xx_gpio_bank gpio_mp1_3;
- struct s5pc1xx_gpio_bank gpio_mp1_4;
- struct s5pc1xx_gpio_bank gpio_mp1_5;
- struct s5pc1xx_gpio_bank gpio_mp1_6;
- struct s5pc1xx_gpio_bank gpio_mp1_7;
- struct s5pc1xx_gpio_bank gpio_mp1_8;
- struct s5pc1xx_gpio_bank gpio_mp2_0;
- struct s5pc1xx_gpio_bank gpio_mp2_1;
- struct s5pc1xx_gpio_bank gpio_mp2_2;
- struct s5pc1xx_gpio_bank gpio_mp2_3;
- struct s5pc1xx_gpio_bank gpio_mp2_4;
- struct s5pc1xx_gpio_bank gpio_mp2_5;
- struct s5pc1xx_gpio_bank gpio_mp2_6;
- struct s5pc1xx_gpio_bank gpio_mp2_7;
- struct s5pc1xx_gpio_bank gpio_mp2_8;
- struct s5pc1xx_gpio_bank res1[48];
- struct s5pc1xx_gpio_bank gpio_h0;
- struct s5pc1xx_gpio_bank gpio_h1;
- struct s5pc1xx_gpio_bank gpio_h2;
- struct s5pc1xx_gpio_bank gpio_h3;
+ struct s5p_gpio_bank gpio_a0;
+ struct s5p_gpio_bank gpio_a1;
+ struct s5p_gpio_bank gpio_b;
+ struct s5p_gpio_bank gpio_c0;
+ struct s5p_gpio_bank gpio_c1;
+ struct s5p_gpio_bank gpio_d0;
+ struct s5p_gpio_bank gpio_d1;
+ struct s5p_gpio_bank gpio_e0;
+ struct s5p_gpio_bank gpio_e1;
+ struct s5p_gpio_bank gpio_f0;
+ struct s5p_gpio_bank gpio_f1;
+ struct s5p_gpio_bank gpio_f2;
+ struct s5p_gpio_bank gpio_f3;
+ struct s5p_gpio_bank gpio_g0;
+ struct s5p_gpio_bank gpio_g1;
+ struct s5p_gpio_bank gpio_g2;
+ struct s5p_gpio_bank gpio_g3;
+ struct s5p_gpio_bank gpio_i;
+ struct s5p_gpio_bank gpio_j0;
+ struct s5p_gpio_bank gpio_j1;
+ struct s5p_gpio_bank gpio_j2;
+ struct s5p_gpio_bank gpio_j3;
+ struct s5p_gpio_bank gpio_j4;
+ struct s5p_gpio_bank gpio_mp0_1;
+ struct s5p_gpio_bank gpio_mp0_2;
+ struct s5p_gpio_bank gpio_mp0_3;
+ struct s5p_gpio_bank gpio_mp0_4;
+ struct s5p_gpio_bank gpio_mp0_5;
+ struct s5p_gpio_bank gpio_mp0_6;
+ struct s5p_gpio_bank gpio_mp0_7;
+ struct s5p_gpio_bank gpio_mp1_0;
+ struct s5p_gpio_bank gpio_mp1_1;
+ struct s5p_gpio_bank gpio_mp1_2;
+ struct s5p_gpio_bank gpio_mp1_3;
+ struct s5p_gpio_bank gpio_mp1_4;
+ struct s5p_gpio_bank gpio_mp1_5;
+ struct s5p_gpio_bank gpio_mp1_6;
+ struct s5p_gpio_bank gpio_mp1_7;
+ struct s5p_gpio_bank gpio_mp1_8;
+ struct s5p_gpio_bank gpio_mp2_0;
+ struct s5p_gpio_bank gpio_mp2_1;
+ struct s5p_gpio_bank gpio_mp2_2;
+ struct s5p_gpio_bank gpio_mp2_3;
+ struct s5p_gpio_bank gpio_mp2_4;
+ struct s5p_gpio_bank gpio_mp2_5;
+ struct s5p_gpio_bank gpio_mp2_6;
+ struct s5p_gpio_bank gpio_mp2_7;
+ struct s5p_gpio_bank gpio_mp2_8;
+ struct s5p_gpio_bank res1[48];
+ struct s5p_gpio_bank gpio_h0;
+ struct s5p_gpio_bank gpio_h1;
+ struct s5p_gpio_bank gpio_h2;
+ struct s5p_gpio_bank gpio_h3;
};
/* functions */
-void gpio_cfg_pin(struct s5pc1xx_gpio_bank *bank, int gpio, int cfg);
-void gpio_direction_output(struct s5pc1xx_gpio_bank *bank, int gpio, int en);
-void gpio_direction_input(struct s5pc1xx_gpio_bank *bank, int gpio);
-void gpio_set_value(struct s5pc1xx_gpio_bank *bank, int gpio, int en);
-unsigned int gpio_get_value(struct s5pc1xx_gpio_bank *bank, int gpio);
-void gpio_set_pull(struct s5pc1xx_gpio_bank *bank, int gpio, int mode);
-void gpio_set_drv(struct s5pc1xx_gpio_bank *bank, int gpio, int mode);
-void gpio_set_rate(struct s5pc1xx_gpio_bank *bank, int gpio, int mode);
+void gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg);
+void gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en);
+void gpio_direction_input(struct s5p_gpio_bank *bank, int gpio);
+void gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en);
+unsigned int gpio_get_value(struct s5p_gpio_bank *bank, int gpio);
+void gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode);
+void gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode);
+void gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);
#endif
/* Pin configurations */
--
1.5.4.3
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