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yaml
---
r: 373943
b: refs/heads/master
c: a33dc58
h: refs/heads/master
i:
  373941: 9c7a7de
  373939: a42aa80
  373935: dfe1a4f
v: v3
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Jason Cooper committed Apr 15, 2013
1 parent 5139f18 commit ea1566e
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Showing 5 changed files with 75 additions and 9 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8d7297b48d6d76f1cb077f87735c7d912f82e8cc
refs/heads/master: a33dc586c90ef8eee273280782b43b40cd43ad7e
7 changes: 4 additions & 3 deletions trunk/arch/arm/mach-orion5x/pci.c
Original file line number Diff line number Diff line change
Expand Up @@ -402,8 +402,9 @@ static void __init orion5x_pci_master_slave_enable(void)
orion5x_pci_hw_wr_conf(bus_nr, 0, func, reg, 4, val | 0x7);
}

static void __init orion5x_setup_pci_wins(struct mbus_dram_target_info *dram)
static void __init orion5x_setup_pci_wins(void)
{
const struct mbus_dram_target_info *dram = mv_mbus_dram_info();
u32 win_enable;
int bus;
int i;
Expand All @@ -420,7 +421,7 @@ static void __init orion5x_setup_pci_wins(struct mbus_dram_target_info *dram)
bus = orion5x_pci_local_bus_nr();

for (i = 0; i < dram->num_cs; i++) {
struct mbus_dram_window *cs = dram->cs + i;
const struct mbus_dram_window *cs = dram->cs + i;
u32 func = PCI_CONF_FUNC_BAR_CS(cs->cs_index);
u32 reg;
u32 val;
Expand Down Expand Up @@ -467,7 +468,7 @@ static int __init pci_setup(struct pci_sys_data *sys)
/*
* Point PCI unit MBUS decode windows to DRAM space.
*/
orion5x_setup_pci_wins(&orion_mbus_dram_info);
orion5x_setup_pci_wins();

/*
* Master + Slave enable
Expand Down
6 changes: 5 additions & 1 deletion trunk/arch/arm/plat-orion/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,11 @@
#
ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include

obj-y += addr-map.o
obj-$(CONFIG_ARCH_MVEBU) += addr-map.o
obj-$(CONFIG_ARCH_KIRKWOOD) += addr-map.o
obj-$(CONFIG_ARCH_DOVE) += addr-map.o
obj-$(CONFIG_ARCH_ORION5X) += addr-map.o
obj-$(CONFIG_ARCH_MV78XX0) += addr-map.o

orion-gpio-$(CONFIG_GENERIC_GPIO) += gpio.o
obj-$(CONFIG_PLAT_ORION_LEGACY) += irq.o pcie.o time.o common.o mpp.o
Expand Down
59 changes: 59 additions & 0 deletions trunk/arch/arm/plat-orion/gpio.c
Original file line number Diff line number Diff line change
Expand Up @@ -439,6 +439,64 @@ static void gpio_irq_handler(unsigned irq, struct irq_desc *desc)
}
}

#ifdef CONFIG_DEBUG_FS
#include <linux/seq_file.h>

static void orion_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
{
struct orion_gpio_chip *ochip =
container_of(chip, struct orion_gpio_chip, chip);
u32 out, io_conf, blink, in_pol, data_in, cause, edg_msk, lvl_msk;
int i;

out = readl_relaxed(GPIO_OUT(ochip));
io_conf = readl_relaxed(GPIO_IO_CONF(ochip));
blink = readl_relaxed(GPIO_BLINK_EN(ochip));
in_pol = readl_relaxed(GPIO_IN_POL(ochip));
data_in = readl_relaxed(GPIO_DATA_IN(ochip));
cause = readl_relaxed(GPIO_EDGE_CAUSE(ochip));
edg_msk = readl_relaxed(GPIO_EDGE_MASK(ochip));
lvl_msk = readl_relaxed(GPIO_LEVEL_MASK(ochip));

for (i = 0; i < chip->ngpio; i++) {
const char *label;
u32 msk;
bool is_out;

label = gpiochip_is_requested(chip, i);
if (!label)
continue;

msk = 1 << i;
is_out = !(io_conf & msk);

seq_printf(s, " gpio-%-3d (%-20.20s)", chip->base + i, label);

if (is_out) {
seq_printf(s, " out %s %s\n",
out & msk ? "hi" : "lo",
blink & msk ? "(blink )" : "");
continue;
}

seq_printf(s, " in %s (act %s) - IRQ",
(data_in ^ in_pol) & msk ? "hi" : "lo",
in_pol & msk ? "lo" : "hi");
if (!((edg_msk | lvl_msk) & msk)) {
seq_printf(s, " disabled\n");
continue;
}
if (edg_msk & msk)
seq_printf(s, " edge ");
if (lvl_msk & msk)
seq_printf(s, " level");
seq_printf(s, " (%s)\n", cause & msk ? "pending" : "clear ");
}
}
#else
#define orion_gpio_dbg_show NULL
#endif

void __init orion_gpio_init(struct device_node *np,
int gpio_base, int ngpio,
void __iomem *base, int mask_offset,
Expand Down Expand Up @@ -471,6 +529,7 @@ void __init orion_gpio_init(struct device_node *np,
#ifdef CONFIG_OF
ochip->chip.of_node = np;
#endif
ochip->chip.dbg_show = orion_gpio_dbg_show;

spin_lock_init(&ochip->lock);
ochip->base = (void __iomem *)base;
Expand Down
10 changes: 6 additions & 4 deletions trunk/arch/arm/plat-orion/pcie.c
Original file line number Diff line number Diff line change
Expand Up @@ -120,12 +120,14 @@ void __init orion_pcie_reset(void __iomem *base)
* BAR[0,2] -> disabled, BAR[1] -> covers all DRAM banks
* WIN[0-3] -> DRAM bank[0-3]
*/
static void __init orion_pcie_setup_wins(void __iomem *base,
struct mbus_dram_target_info *dram)
static void __init orion_pcie_setup_wins(void __iomem *base)
{
const struct mbus_dram_target_info *dram;
u32 size;
int i;

dram = mv_mbus_dram_info();

/*
* First, disable and clear BARs and windows.
*/
Expand All @@ -150,7 +152,7 @@ static void __init orion_pcie_setup_wins(void __iomem *base,
*/
size = 0;
for (i = 0; i < dram->num_cs; i++) {
struct mbus_dram_window *cs = dram->cs + i;
const struct mbus_dram_window *cs = dram->cs + i;

writel(cs->base & 0xffff0000, base + PCIE_WIN04_BASE_OFF(i));
writel(0, base + PCIE_WIN04_REMAP_OFF(i));
Expand Down Expand Up @@ -184,7 +186,7 @@ void __init orion_pcie_setup(void __iomem *base)
/*
* Point PCIe unit MBUS decode windows to DRAM space.
*/
orion_pcie_setup_wins(base, &orion_mbus_dram_info);
orion_pcie_setup_wins(base);

/*
* Master + slave enable.
Expand Down

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