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Date: Tue, 15 Feb 2011 20:47:27 +0900
From: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
To: netdev@...r.kernel.org
Cc: SH-Linux <linux-sh@...r.kernel.org>
Subject: [RFC, PATCH 2/4] net: sh_eth: remove the SH_TSU_ADDR
The defination is hardcoded in this driver for some CPUs. This patch
modifies to get resource of TSU address from platform_device.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@...esas.com>
---
drivers/net/sh_eth.c | 16 ++++++++++++----
drivers/net/sh_eth.h | 15 ---------------
2 files changed, 12 insertions(+), 19 deletions(-)
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index 3b6d545..0593f29 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -1446,7 +1446,7 @@ static const struct net_device_ops sh_eth_netdev_ops = {
static int sh_eth_drv_probe(struct platform_device *pdev)
{
int ret, devno = 0;
- struct resource *res;
+ struct resource *res, *res_tsu;
struct net_device *ndev = NULL;
struct sh_eth_private *mdp;
struct sh_eth_plat_data *pd;
@@ -1520,9 +1520,13 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
mdp->cd->chip_reset(ndev);
#if defined(SH_ETH_HAS_TSU)
- /* TSU init (Init only)*/
- mdp->tsu_addr = SH_TSU_ADDR;
- sh_eth_tsu_init(mdp);
+ res_tsu = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (res_tsu) {
+ mdp->tsu_addr = ioremap(res_tsu->start,
+ resource_size(res_tsu));
+ /* TSU init (Init only)*/
+ sh_eth_tsu_init(mdp);
+ }
#endif
}
@@ -1549,6 +1553,8 @@ out_unregister:
out_release:
/* net_dev free */
+ if (mdp->tsu_addr)
+ iounmap(mdp->tsu_addr);
if (ndev)
free_netdev(ndev);
@@ -1559,7 +1565,9 @@ out:
static int sh_eth_drv_remove(struct platform_device *pdev)
{
struct net_device *ndev = platform_get_drvdata(pdev);
+ struct sh_eth_private *mdp = netdev_priv(ndev);
+ iounmap(mdp->tsu_addr);
sh_mdio_release(ndev);
unregister_netdev(ndev);
pm_runtime_disable(&pdev->dev);
diff --git a/drivers/net/sh_eth.h b/drivers/net/sh_eth.h
index 1510a7c..1a32dc0 100644
--- a/drivers/net/sh_eth.h
+++ b/drivers/net/sh_eth.h
@@ -371,21 +371,6 @@ static const u16 sh_eth_offset_fast_sh3_sh2[SH_ETH_MAX_REGISTER_OFFSET] = {
};
-#if defined(CONFIG_CPU_SUBTYPE_SH7763)
-/* This CPU register maps is very difference by other SH4 CPU */
-/* Chip Base Address */
-# define SH_TSU_ADDR 0xFEE01800
-# define ARSTR SH_TSU_ADDR
-#elif defined(CONFIG_CPU_SH4) /* #if defined(CONFIG_CPU_SUBTYPE_SH7763) */
-#else /* #elif defined(CONFIG_CPU_SH4) */
-/* This section is SH3 or SH2 */
-#ifndef CONFIG_CPU_SUBTYPE_SH7619
-/* Chip base address */
-# define SH_TSU_ADDR 0xA7000804
-# define ARSTR 0xA7000800
-#endif
-#endif /* CONFIG_CPU_SUBTYPE_SH7763 */
-
/* Driver's parameters */
#if defined(CONFIG_CPU_SH4)
#define SH4_SKB_RX_ALIGN 32
--
1.7.1
--
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