[PATCH 14/17] Add the RapidIO master port maintance and doorbell window to space resources.

From: Zhang Wei
Date: Tue Mar 04 2008 - 03:36:50 EST


Add the RapidIO master port maintance and doorbell IO windows to
RIO space resources.

Signed-off-by: Zhang Wei <wei.zhang@xxxxxxxxxxxxx>
---
arch/powerpc/sysdev/fsl_rio.c | 26 +++++++++++++++++++++-----
include/linux/rio.h | 1 +
2 files changed, 22 insertions(+), 5 deletions(-)

diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index c260ae5..350db4e 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -192,6 +192,8 @@ struct rio_priv {
int bellirq;
int txirq;
int rxirq;
+ struct resource maint_res;
+ struct resource dbell_res;
};

/**
@@ -1363,15 +1365,29 @@ int fsl_rio_setup(struct of_device *dev)
out_be32((priv->regs_win + RIO_ISR_AACR), RIO_ISR_AACR_AA);

/* Configure maintenance transaction window */
- out_be32(&priv->maint_atmu_regs->rowbar, 0x000c0000);
- out_be32(&priv->maint_atmu_regs->rowar, 0x80077015);
+ rio_init_io_res(&priv->maint_res, law_start, RIO_MAINT_WIN_SIZE,
+ "maint_win", RIO_RESOURCE_MAINT);
+ rc = rio_request_io_region(port, &priv->maint_res);
+ if (rc) {
+ dev_err(&dev->dev, "request maint window error!\n");
+ goto err;
+ }
+ out_be32(&priv->maint_atmu_regs->rowbar, (law_start >> 12) & 0xffffff);
+ out_be32(&priv->maint_atmu_regs->rowar, 0x80077000
+ | (__ilog2(RIO_MAINT_WIN_SIZE) - 1));

priv->maint_win = (u32) ioremap(law_start, RIO_MAINT_WIN_SIZE);

/* Configure outbound doorbell window */
- out_be32(&priv->dbell_atmu_regs->rowbar, 0x000c0400);
- out_be32(&priv->dbell_atmu_regs->rowar, 0x8004200b);
- fsl_rio_doorbell_init(port);
+ rio_init_io_res(&priv->dbell_res, law_start + RIO_MAINT_WIN_SIZE,
+ RIO_DBELL_WIN_SIZE, "dbell_win", RIO_RESOURCE_DOORBELL);
+ out_be32(&priv->dbell_atmu_regs->rowbar, (priv->dbell_res.start >> 12)
+ & 0xffffff);
+ out_be32(&priv->dbell_atmu_regs->rowar, 0x80042000
+ | (__ilog2(RIO_DBELL_WIN_SIZE) - 1));
+ rc = fsl_rio_doorbell_init(port);
+ if (rc)
+ goto err;

return 0;
err:
diff --git a/include/linux/rio.h b/include/linux/rio.h
index d8ff4b8..c4acb52 100644
--- a/include/linux/rio.h
+++ b/include/linux/rio.h
@@ -257,6 +257,7 @@ struct rio_ops {
#define RIO_RESOURCE_MEM 0x00000100
#define RIO_RESOURCE_DOORBELL 0x00000200
#define RIO_RESOURCE_MAILBOX 0x00000400
+#define RIO_RESOURCE_MAINT 0x00000800

#define RIO_RESOURCE_CACHEABLE 0x00010000
#define RIO_RESOURCE_PCI 0x00020000
--
1.5.4

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