[PATCH v2 17/21] pinctrl: mvebu: dove: use remapped mpp base registers

Sebastian Hesselbarth
2014-01-28T00:46:56Z

Now that we have ioremapped mpp base registers, get rid of hardcoded
physical addresses. While at it, also remove DOVE_ prefix from those
macros.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
---
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@free-electrons.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
drivers/pinctrl/mvebu/pinctrl-dove.c | 35 +++++++++++++++++++----------------
1 file changed, 19 insertions(+), 16 deletions(-)

diff --git a/drivers/pinctrl/mvebu/pinctrl-dove.c b/drivers/pinctrl/mvebu/pinctrl-dove.c
index 74a50a3d6729..43e037cf6db0 100644
--- a/drivers/pinctrl/mvebu/pinctrl-dove.c
+++ b/drivers/pinctrl/mvebu/pinctrl-dove.c
@@ -31,9 +31,6 @@
#define GC_REGS_OFFS 0xe802c

#define DOVE_SB_REGS_VIRT_BASE IOMEM(0xfde00000)
-#define DOVE_MPP_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE + 0xd0200)
-#define DOVE_PMU_MPP_GENERAL_CTRL (DOVE_MPP_VIRT_BASE + 0x10)
-#define DOVE_AU0_AC97_SEL BIT(16)
#define DOVE_PMU_SIGNAL_SELECT_0 (DOVE_SB_REGS_VIRT_BASE + 0xd802C)
#define DOVE_PMU_SIGNAL_SELECT_1 (DOVE_SB_REGS_VIRT_BASE + 0xd8030)
#define DOVE_GLOBAL_CONFIG_1 (DOVE_SB_REGS_VIRT_BASE + 0xe802C)
@@ -57,6 +54,10 @@
#define DOVE_SD1_GPIO_SEL BIT(1)
#define DOVE_SD0_GPIO_SEL BIT(0)

+/* MPP Base registers */
+#define PMU_MPP_GENERAL_CTRL 0x10
+#define AU0_AC97_SEL BIT(16)
+
#define MPPS_PER_REG 8
#define MPP_BITS 4
#define MPP_MASK 0xf
@@ -97,7 +98,7 @@ static int dove_pmu_mpp_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
{
unsigned off = (ctrl->pid / MPPS_PER_REG) * MPP_BITS;
unsigned shift = (ctrl->pid % MPPS_PER_REG) * MPP_BITS;
- unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL);
+ unsigned long pmu = readl(mpp_base + PMU_MPP_GENERAL_CTRL);
unsigned long func;

if (pmu & (1 << ctrl->pid)) {
@@ -105,7 +106,7 @@ static int dove_pmu_mpp_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
*config = (func >> shift) & MPP_MASK;
*config |= CONFIG_PMU;
} else {
- func = readl(DOVE_MPP_VIRT_BASE + off);
+ func = readl(mpp_base + off);
*config = (func >> shift) & MPP_MASK;
}
return 0;
@@ -116,21 +117,23 @@ static int dove_pmu_mpp_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
{
unsigned off = (ctrl->pid / MPPS_PER_REG) * MPP_BITS;
unsigned shift = (ctrl->pid % MPPS_PER_REG) * MPP_BITS;
- unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL);
+ unsigned long pmu = readl(mpp_base + PMU_MPP_GENERAL_CTRL);
unsigned long func;

if (config & CONFIG_PMU) {
- writel(pmu | (1 << ctrl->pid), DOVE_PMU_MPP_GENERAL_CTRL);
+ writel(pmu | (1 << ctrl->pid),
+ mpp_base + PMU_MPP_GENERAL_CTRL);
func = readl(DOVE_PMU_SIGNAL_SELECT_0 + off);
func &= ~(MPP_MASK << shift);
func |= (config & MPP_MASK) << shift;
writel(func, DOVE_PMU_SIGNAL_SELECT_0 + off);
} else {
- writel(pmu & ~(1 << ctrl->pid), DOVE_PMU_MPP_GENERAL_CTRL);
- func = readl(DOVE_MPP_VIRT_BASE + off);
+ writel(pmu & ~(1 << ctrl->pid),
+ mpp_base + PMU_MPP_GENERAL_CTRL);
+ func = readl(mpp_base + off);
func &= ~(MPP_MASK << shift);
func |= (config & MPP_MASK) << shift;
- writel(func, DOVE_MPP_VIRT_BASE + off);
+ writel(func, mpp_base + off);
}
return 0;
}
@@ -228,9 +231,9 @@ static int dove_nand_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
static int dove_audio0_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
unsigned long *config)
{
- unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL);
+ unsigned long pmu = readl(mpp_base + PMU_MPP_GENERAL_CTRL);

- *config = ((pmu & DOVE_AU0_AC97_SEL) != 0);
+ *config = ((pmu & AU0_AC97_SEL) != 0);

return 0;
}
@@ -238,12 +241,12 @@ static int dove_audio0_ctrl_get(struct mvebu_mpp_ctrl *ctrl,
static int dove_audio0_ctrl_set(struct mvebu_mpp_ctrl *ctrl,
unsigned long config)
{
- unsigned long pmu = readl(DOVE_PMU_MPP_GENERAL_CTRL);
+ unsigned long pmu = readl(mpp_base + PMU_MPP_GENERAL_CTRL);

- pmu &= ~DOVE_AU0_AC97_SEL;
+ pmu &= ~AU0_AC97_SEL;
if (config)
- pmu |= DOVE_AU0_AC97_SEL;
- writel(pmu, DOVE_PMU_MPP_GENERAL_CTRL);
+ pmu |= AU0_AC97_SEL;
+ writel(pmu, mpp_base + PMU_MPP_GENERAL_CTRL);

return 0;
}
--
1.8.5.2