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adm8668: add 3.14 kernel support

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Signed-off-by: Florian Fainelli <florian@openwrt.org>

SVN-Revision: 43551
This commit is contained in:
Florian Fainelli
2014-12-07 21:59:25 +00:00
parent 356447e6c2
commit 06152c8abf
27 changed files with 2959 additions and 0 deletions
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48
target/linux/adm8668/patches-3.14/001-adm8668_arch.patch Normal file
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@@ -0,0 +1,48 @@
--- a/arch/mips/Kbuild.platforms
+++ b/arch/mips/Kbuild.platforms
@@ -29,6 +29,7 @@ platforms += sibyte
platforms += sni
platforms += txx9
platforms += vr41xx
+platforms += adm8668
# include the platform specific files
include $(patsubst %, $(srctree)/arch/mips/%/Platform, $(platforms))
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -127,6 +127,27 @@ config BCM47XX
help
Support for BCM47XX based boards
+config ADM8668
+ bool "WildPass ADM8668"
+ select SYS_HAS_CPU_MIPS32_R1
+ select BOOT_RAW
+ select NO_EXCEPT_FILL
+ select IRQ_CPU
+ select CEVT_R4K
+ select CSRC_R4K
+ select HW_HAS_PCI
+ select PCI
+ select SYS_SUPPORTS_LITTLE_ENDIAN
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select DMA_NONCOHERENT
+ select SWAP_IO_SPACE
+ select SYS_HAS_EARLY_PRINTK
+ select ARCH_REQUIRE_GPIOLIB
+ select HAVE_CLK
+ help
+ ADM8668 board support by neutronscott
+ Scott Nicholas <neutronscott@scottn.us>
+
config BCM63XX
bool "Broadcom BCM63XX based boards"
select BOOT_RAW
@@ -795,6 +816,7 @@ config NLM_XLP_BOARD
endchoice
+source "arch/mips/adm8668/Kconfig"
source "arch/mips/alchemy/Kconfig"
source "arch/mips/ath79/Kconfig"
source "arch/mips/bcm47xx/Kconfig"

22
target/linux/adm8668/patches-3.14/002-adm8668_pci.patch Normal file
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@@ -0,0 +1,22 @@
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -57,6 +57,7 @@ obj-$(CONFIG_MIKROTIK_RB532) += pci-rc32
obj-$(CONFIG_CAVIUM_OCTEON_SOC) += pci-octeon.o pcie-octeon.o
obj-$(CONFIG_CPU_XLR) += pci-xlr.o
obj-$(CONFIG_CPU_XLP) += pci-xlp.o
+obj-$(CONFIG_ADM8668) += pci-adm8668.o
ifdef CONFIG_PCI_MSI
obj-$(CONFIG_CAVIUM_OCTEON_SOC) += msi-octeon.o
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1817,6 +1817,9 @@
#define PCI_VENDOR_ID_CB 0x1307 /* Measurement Computing */
+#define PCI_VENDOR_ADMTEK 0x1317
+#define PCI_DEVICE_ID_ADM8668 0x8688
+
#define PCI_VENDOR_ID_SIIG 0x131f
#define PCI_SUBVENDOR_ID_SIIG 0x131f
#define PCI_DEVICE_ID_SIIG_1S_10x_550 0x1000

22
target/linux/adm8668/patches-3.14/003-adm8668_nor_map.patch Normal file
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@@ -0,0 +1,22 @@
--- a/drivers/mtd/maps/Kconfig
+++ b/drivers/mtd/maps/Kconfig
@@ -97,6 +97,12 @@ config MSP_FLASH_MAP_LIMIT
default "0x02000000"
depends on MSP_FLASH_MAP_LIMIT_32M
+config MTD_ADM8668_NOR
+ tristate "ADM8668 NOR mapping"
+ depends on ADM8668 && MTD_CFI
+ help
+ mapping driver for ADM8668 NOR
+
config MTD_SUN_UFLASH
tristate "Sun Microsystems userflash support"
depends on SPARC && MTD_CFI && PCI
--- a/drivers/mtd/maps/Makefile
+++ b/drivers/mtd/maps/Makefile
@@ -43,3 +43,4 @@ obj-$(CONFIG_MTD_VMU) += vmu-flash.o
obj-$(CONFIG_MTD_GPIO_ADDR) += gpio-addr-flash.o
obj-$(CONFIG_MTD_LATCH_ADDR) += latch-addr-flash.o
obj-$(CONFIG_MTD_LANTIQ) += lantiq-flash.o
+obj-$(CONFIG_MTD_ADM8668_NOR) += adm8668.o

453
target/linux/adm8668/patches-3.14/004-tulip_pci_split.patch Normal file
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@@ -0,0 +1,453 @@
--- a/drivers/net/ethernet/dec/tulip/tulip_core.c
+++ b/drivers/net/ethernet/dec/tulip/tulip_core.c
@@ -206,7 +206,7 @@ struct tulip_chip_table tulip_tbl[] = {
};
-
+#ifdef CONFIG_TULIP_PCI
static DEFINE_PCI_DEVICE_TABLE(tulip_pci_tbl) = {
{ 0x1011, 0x0009, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21140 },
{ 0x1011, 0x0019, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DC21143 },
@@ -250,7 +250,7 @@ static DEFINE_PCI_DEVICE_TABLE(tulip_pci
{ } /* terminate list */
};
MODULE_DEVICE_TABLE(pci, tulip_pci_tbl);
-
+#endif
/* A full-duplex map for media types. */
const char tulip_media_cap[32] =
@@ -268,11 +268,14 @@ static void tulip_down(struct net_device
static struct net_device_stats *tulip_get_stats(struct net_device *dev);
static int private_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static void set_rx_mode(struct net_device *dev);
+#ifdef CONFIG_TULIP_PCI
static void tulip_set_wolopts(struct pci_dev *pdev, u32 wolopts);
+#endif
#ifdef CONFIG_NET_POLL_CONTROLLER
static void poll_tulip(struct net_device *dev);
#endif
+#ifdef CONFIG_TULIP_PCI
static void tulip_set_power_state (struct tulip_private *tp,
int sleep, int snooze)
{
@@ -289,7 +292,7 @@ static void tulip_set_power_state (struc
}
}
-
+#endif
static void tulip_up(struct net_device *dev)
{
@@ -303,6 +306,7 @@ static void tulip_up(struct net_device *
napi_enable(&tp->napi);
#endif
+#ifdef CONFIG_TULIP_PCI
/* Wake the chip from sleep/snooze mode. */
tulip_set_power_state (tp, 0, 0);
@@ -310,6 +314,7 @@ static void tulip_up(struct net_device *
pci_enable_wake(tp->pdev, PCI_D3hot, 0);
pci_enable_wake(tp->pdev, PCI_D3cold, 0);
tulip_set_wolopts(tp->pdev, 0);
+#endif
/* On some chip revs we must set the MII/SYM port before the reset!? */
if (tp->mii_cnt || (tp->mtable && tp->mtable->has_mii))
@@ -317,18 +322,22 @@ static void tulip_up(struct net_device *
/* Reset the chip, holding bit 0 set at least 50 PCI cycles. */
iowrite32(0x00000001, ioaddr + CSR0);
+#ifdef CONFIG_TULIP_PCI
pci_read_config_dword(tp->pdev, PCI_COMMAND, &reg); /* flush write */
+#endif
udelay(100);
/* Deassert reset.
Wait the specified 50 PCI cycles after a reset by initializing
Tx and Rx queues and the address filter list. */
iowrite32(tp->csr0, ioaddr + CSR0);
+#ifdef CONFIG_TULIP_PCI
pci_read_config_dword(tp->pdev, PCI_COMMAND, &reg); /* flush write */
+#endif
udelay(100);
if (tulip_debug > 1)
- netdev_dbg(dev, "tulip_up(), irq==%d\n", tp->pdev->irq);
+ netdev_dbg(dev, "tulip_up(), irq==%d\n", tp->irq);
iowrite32(tp->rx_ring_dma, ioaddr + CSR3);
iowrite32(tp->tx_ring_dma, ioaddr + CSR4);
@@ -362,9 +371,11 @@ static void tulip_up(struct net_device *
*setup_frm++ = eaddrs[1]; *setup_frm++ = eaddrs[1];
*setup_frm++ = eaddrs[2]; *setup_frm++ = eaddrs[2];
+#ifdef CONFIG_TULIP_PCI
mapping = pci_map_single(tp->pdev, tp->setup_frame,
sizeof(tp->setup_frame),
PCI_DMA_TODEVICE);
+#endif
tp->tx_buffers[tp->cur_tx].skb = NULL;
tp->tx_buffers[tp->cur_tx].mapping = mapping;
@@ -520,7 +531,7 @@ tulip_open(struct net_device *dev)
tulip_init_ring (dev);
- retval = request_irq(tp->pdev->irq, tulip_interrupt, IRQF_SHARED,
+ retval = request_irq(tp->irq, tulip_interrupt, IRQF_SHARED,
dev->name, dev);
if (retval)
goto free_ring;
@@ -644,8 +655,10 @@ static void tulip_init_ring(struct net_d
tp->rx_buffers[i].skb = skb;
if (skb == NULL)
break;
+#ifdef CONFIG_TULIP_PCI
mapping = pci_map_single(tp->pdev, skb->data,
PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
+#endif
tp->rx_buffers[i].mapping = mapping;
tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */
tp->rx_ring[i].buffer1 = cpu_to_le32(mapping);
@@ -678,8 +691,10 @@ tulip_start_xmit(struct sk_buff *skb, st
entry = tp->cur_tx % TX_RING_SIZE;
tp->tx_buffers[entry].skb = skb;
+#ifdef CONFIG_TULIP_PCI
mapping = pci_map_single(tp->pdev, skb->data,
skb->len, PCI_DMA_TODEVICE);
+#endif
tp->tx_buffers[entry].mapping = mapping;
tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping);
@@ -730,16 +745,19 @@ static void tulip_clean_tx_ring(struct t
if (tp->tx_buffers[entry].skb == NULL) {
/* test because dummy frames not mapped */
if (tp->tx_buffers[entry].mapping)
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev,
tp->tx_buffers[entry].mapping,
sizeof(tp->setup_frame),
PCI_DMA_TODEVICE);
+#endif
continue;
}
-
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev, tp->tx_buffers[entry].mapping,
tp->tx_buffers[entry].skb->len,
PCI_DMA_TODEVICE);
+#endif
/* Free the original skb. */
dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
@@ -790,7 +808,9 @@ static void tulip_down (struct net_devic
dev->if_port = tp->saved_if_port;
/* Leave the driver in snooze, not sleep, mode. */
+#ifdef CONFIG_TULIP_PCI
tulip_set_power_state (tp, 0, 1);
+#endif
}
static void tulip_free_ring (struct net_device *dev)
@@ -811,8 +831,10 @@ static void tulip_free_ring (struct net_
/* An invalid address. */
tp->rx_ring[i].buffer1 = cpu_to_le32(0xBADF00D0);
if (skb) {
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ,
PCI_DMA_FROMDEVICE);
+#endif
dev_kfree_skb (skb);
}
}
@@ -821,8 +843,10 @@ static void tulip_free_ring (struct net_
struct sk_buff *skb = tp->tx_buffers[i].skb;
if (skb != NULL) {
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping,
skb->len, PCI_DMA_TODEVICE);
+#endif
dev_kfree_skb (skb);
}
tp->tx_buffers[i].skb = NULL;
@@ -843,7 +867,7 @@ static int tulip_close (struct net_devic
netdev_dbg(dev, "Shutting down ethercard, status was %02x\n",
ioread32 (ioaddr + CSR5));
- free_irq (tp->pdev->irq, dev);
+ free_irq (tp->irq, dev);
tulip_free_ring (dev);
@@ -874,7 +898,9 @@ static void tulip_get_drvinfo(struct net
struct tulip_private *np = netdev_priv(dev);
strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
strlcpy(info->version, DRV_VERSION, sizeof(info->version));
+#ifdef CONFIG_TULIP_PCI
strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info));
+#endif
}
@@ -887,7 +913,9 @@ static int tulip_ethtool_set_wol(struct
return -EOPNOTSUPP;
tp->wolinfo.wolopts = wolinfo->wolopts;
- device_set_wakeup_enable(&tp->pdev->dev, tp->wolinfo.wolopts);
+#ifdef CONFIG_TULIP_PCI
+ device_set_wakeup_enable(tp->kdev, tp->wolinfo.wolopts);
+#endif
return 0;
}
@@ -1165,9 +1193,11 @@ static void set_rx_mode(struct net_devic
tp->tx_buffers[entry].skb = NULL;
tp->tx_buffers[entry].mapping =
+#ifdef CONFIG_TULIP_PCI
pci_map_single(tp->pdev, tp->setup_frame,
sizeof(tp->setup_frame),
PCI_DMA_TODEVICE);
+#endif
/* Put the setup frame on the Tx list. */
if (entry == TX_RING_SIZE-1)
tx_flags |= DESC_RING_WRAP; /* Wrap ring. */
@@ -1264,19 +1294,22 @@ out:
netdev_dbg(dev, "MWI config cacheline=%d, csr0=%08x\n",
cache, csr0);
}
-#endif
/*
* Chips that have the MRM/reserved bit quirk and the burst quirk. That
* is the DM910X and the on chip ULi devices
*/
+#endif
+#ifdef CONFIG_TULIP_PCI
static int tulip_uli_dm_quirk(struct pci_dev *pdev)
{
if (pdev->vendor == 0x1282 && pdev->device == 0x9102)
return 1;
return 0;
}
+#endif
+
static const struct net_device_ops tulip_netdev_ops = {
.ndo_open = tulip_open,
@@ -1294,6 +1327,7 @@ static const struct net_device_ops tulip
#endif
};
+#ifdef CONFIG_TULIP_PCI
DEFINE_PCI_DEVICE_TABLE(early_486_chipsets) = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82424) },
{ PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_496) },
@@ -1471,6 +1505,8 @@ static int tulip_init_one(struct pci_dev
}
}
tp->pdev = pdev;
+ tp->kdev = &pdev->dev;
+ tp->irq = irq;
tp->base_addr = ioaddr;
tp->revision = pdev->revision;
tp->csr0 = csr0;
@@ -1801,6 +1837,7 @@ err_out_free_netdev:
}
+#ifdef CONFIG_TULIP_PCI
/* set the registers according to the given wolopts */
static void tulip_set_wolopts (struct pci_dev *pdev, u32 wolopts)
{
@@ -1829,6 +1866,7 @@ static void tulip_set_wolopts (struct pc
iowrite32(tmp, ioaddr + CSR13);
}
}
+#endif
#ifdef CONFIG_PM
@@ -1943,6 +1981,7 @@ static void tulip_remove_one(struct pci_
/* pci_power_off (pdev, -1); */
}
+#endif /* CONFIG_TULIP_PCI */
#ifdef CONFIG_NET_POLL_CONTROLLER
/*
@@ -1964,7 +2003,8 @@ static void poll_tulip (struct net_devic
}
#endif
-static struct pci_driver tulip_driver = {
+#ifdef CONFIG_TULIP_PCI
+static struct pci_driver tulip_pci_driver = {
.name = DRV_NAME,
.id_table = tulip_pci_tbl,
.probe = tulip_init_one,
@@ -1974,10 +2014,12 @@ static struct pci_driver tulip_driver =
.resume = tulip_resume,
#endif /* CONFIG_PM */
};
+#endif
static int __init tulip_init (void)
{
+ int ret = 0;
#ifdef MODULE
pr_info("%s", version);
#endif
@@ -1987,13 +2029,18 @@ static int __init tulip_init (void)
tulip_max_interrupt_work = max_interrupt_work;
/* probe for and init boards */
- return pci_register_driver(&tulip_driver);
+#ifdef CONFIG_TULIP_PCI
+ ret = pci_register_driver(&tulip_pci_driver);
+#endif
+ return ret;
}
static void __exit tulip_cleanup (void)
{
- pci_unregister_driver (&tulip_driver);
+#ifdef CONFIG_TULIP_PCI
+ pci_unregister_driver (&tulip_pci_driver);
+#endif
}
--- a/drivers/net/ethernet/dec/tulip/interrupt.c
+++ b/drivers/net/ethernet/dec/tulip/interrupt.c
@@ -73,10 +73,11 @@ int tulip_refill_rx(struct net_device *d
netdev_alloc_skb(dev, PKT_BUF_SZ);
if (skb == NULL)
break;
-
+#ifdef CONFIG_TULIP_PCI
mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ,
PCI_DMA_FROMDEVICE);
- if (dma_mapping_error(&tp->pdev->dev, mapping)) {
+#endif
+ if (dma_mapping_error(tp->kdev, mapping)) {
dev_kfree_skb(skb);
tp->rx_buffers[entry].skb = NULL;
break;
@@ -210,9 +211,11 @@ int tulip_poll(struct napi_struct *napi,
if (pkt_len < tulip_rx_copybreak &&
(skb = netdev_alloc_skb(dev, pkt_len + 2)) != NULL) {
skb_reserve(skb, 2); /* 16 byte align the IP header */
+#ifdef CONFIG_TULIP_PCI
pci_dma_sync_single_for_cpu(tp->pdev,
tp->rx_buffers[entry].mapping,
pkt_len, PCI_DMA_FROMDEVICE);
+#endif
#if ! defined(__alpha__)
skb_copy_to_linear_data(skb, tp->rx_buffers[entry].skb->data,
pkt_len);
@@ -222,9 +225,11 @@ int tulip_poll(struct napi_struct *napi,
tp->rx_buffers[entry].skb->data,
pkt_len);
#endif
+#ifdef CONFIG_TULIP_PCI
pci_dma_sync_single_for_device(tp->pdev,
tp->rx_buffers[entry].mapping,
pkt_len, PCI_DMA_FROMDEVICE);
+#endif
} else { /* Pass up the skb already on the Rx ring. */
char *temp = skb_put(skb = tp->rx_buffers[entry].skb,
pkt_len);
@@ -239,9 +244,10 @@ int tulip_poll(struct napi_struct *napi,
skb->head, temp);
}
#endif
-
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping,
PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
+#endif
tp->rx_buffers[entry].skb = NULL;
tp->rx_buffers[entry].mapping = 0;
@@ -597,10 +603,12 @@ irqreturn_t tulip_interrupt(int irq, voi
if (tp->tx_buffers[entry].skb == NULL) {
/* test because dummy frames not mapped */
if (tp->tx_buffers[entry].mapping)
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev,
tp->tx_buffers[entry].mapping,
sizeof(tp->setup_frame),
PCI_DMA_TODEVICE);
+#endif
continue;
}
@@ -628,10 +636,11 @@ irqreturn_t tulip_interrupt(int irq, voi
dev->stats.collisions += (status >> 3) & 15;
dev->stats.tx_packets++;
}
-
+#ifdef CONFIG_TULIP_PCI
pci_unmap_single(tp->pdev, tp->tx_buffers[entry].mapping,
tp->tx_buffers[entry].skb->len,
PCI_DMA_TODEVICE);
+#endif
/* Free the original skb. */
dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
--- a/drivers/net/ethernet/dec/tulip/Kconfig
+++ b/drivers/net/ethernet/dec/tulip/Kconfig
@@ -40,8 +40,12 @@ config DE2104X_DSL
Default is 0, and range is 0 to 31.
config TULIP
+ tristate
+
+config TULIP_PCI
tristate "DECchip Tulip (dc2114x) PCI support"
depends on PCI
+ select TULIP
select CRC32
---help---
This driver is developed for the SMC EtherPower series Ethernet
@@ -58,7 +62,7 @@ config TULIP
config TULIP_MWI
bool "New bus configuration"
- depends on TULIP
+ depends on TULIP_PCI
---help---
This configures your Tulip card specifically for the card and
system cache line size type you are using.
@@ -69,7 +73,7 @@ config TULIP_MWI
config TULIP_MMIO
bool "Use PCI shared mem for NIC registers"
- depends on TULIP
+ depends on TULIP_PCI
---help---
Use PCI shared memory for the NIC registers, rather than going through
the Tulip's PIO (programmed I/O ports). Faster, but could produce
--- a/drivers/net/ethernet/dec/tulip/tulip.h
+++ b/drivers/net/ethernet/dec/tulip/tulip.h
@@ -447,6 +447,8 @@ struct tulip_private {
int cur_index; /* Current media index. */
int saved_if_port;
struct pci_dev *pdev;
+ struct device *kdev;
+ int irq;
int ttimer;
int susp_rx;
unsigned long nir;

453
target/linux/adm8668/patches-3.14/005-tulip_platform.patch Normal file
View File

@@ -0,0 +1,453 @@
--- a/drivers/net/ethernet/dec/tulip/Kconfig
+++ b/drivers/net/ethernet/dec/tulip/Kconfig
@@ -60,6 +60,14 @@ config TULIP_PCI
To compile this driver as a module, choose M here. The module will
be called tulip.
+config TULIP_PLATFORM
+ tristate "DECchip Tulip (dc2114x) Platform support"
+ depends on HAS_IOMEM
+ select TULIP
+ select CRC32
+ ---help---
+ This driver is for the platform variant.
+
config TULIP_MWI
bool "New bus configuration"
depends on TULIP_PCI
--- a/drivers/net/ethernet/dec/tulip/tulip_core.c
+++ b/drivers/net/ethernet/dec/tulip/tulip_core.c
@@ -27,6 +27,8 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/etherdevice.h>
+#include <linux/platform_device.h>
+#include <linux/platform_data/tulip.h>
#include <linux/delay.h>
#include <linux/mii.h>
#include <linux/crc32.h>
@@ -204,6 +206,9 @@ struct tulip_chip_table tulip_tbl[] = {
{ "Conexant LANfinity", 256, 0x0001ebef,
HAS_MII | HAS_ACPI, tulip_timer, tulip_media_task },
+ { "Infineon ADM8668", 256, 0x0001a451,
+ MC_HASH_ONLY | COMET_MAC_ADDR, tulip_timer, tulip_media_task, },
+
};
#ifdef CONFIG_TULIP_PCI
@@ -395,6 +400,7 @@ static void tulip_up(struct net_device *
i = 0;
if (tp->mtable == NULL)
goto media_picked;
+
if (dev->if_port) {
int looking_for = tulip_media_cap[dev->if_port] & MediaIsMII ? 11 :
(dev->if_port == 12 ? 0 : dev->if_port);
@@ -488,6 +494,10 @@ media_picked:
iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88);
dev->if_port = tp->mii_cnt ? 11 : 0;
tp->csr6 = 0x00040000;
+ } else if (tp->chip_id == ADM8668) {
+ /* Enable automatic Tx underrun recovery. */
+ iowrite32(ioread32(ioaddr + 0x88) | 1, ioaddr + 0x88);
+ tp->csr6 = 0x00040000;
} else if (tp->chip_id == AX88140) {
tp->csr6 = tp->mii_cnt ? 0x00040100 : 0x00000100;
} else
@@ -659,6 +669,10 @@ static void tulip_init_ring(struct net_d
mapping = pci_map_single(tp->pdev, skb->data,
PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ mapping = dma_map_single(&tp->pldev->dev, skb->data,
+ PKT_BUF_SZ, DMA_FROM_DEVICE);
+#endif
tp->rx_buffers[i].mapping = mapping;
tp->rx_ring[i].status = cpu_to_le32(DescOwned); /* Owned by Tulip chip */
tp->rx_ring[i].buffer1 = cpu_to_le32(mapping);
@@ -695,6 +709,11 @@ tulip_start_xmit(struct sk_buff *skb, st
mapping = pci_map_single(tp->pdev, skb->data,
skb->len, PCI_DMA_TODEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ mapping = dma_map_single(&tp->pldev->dev, skb->data,
+ skb->len,
+ DMA_TO_DEVICE);
+#endif
tp->tx_buffers[entry].mapping = mapping;
tp->tx_ring[entry].buffer1 = cpu_to_le32(mapping);
@@ -758,6 +777,11 @@ static void tulip_clean_tx_ring(struct t
tp->tx_buffers[entry].skb->len,
PCI_DMA_TODEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping,
+ tp->tx_buffers[entry].skb->len,
+ DMA_TO_DEVICE);
+#endif
/* Free the original skb. */
dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
@@ -835,6 +859,10 @@ static void tulip_free_ring (struct net_
pci_unmap_single(tp->pdev, mapping, PKT_BUF_SZ,
PCI_DMA_FROMDEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ dma_unmap_single(&tp->pldev->dev, mapping, PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
+#endif
dev_kfree_skb (skb);
}
}
@@ -847,6 +875,10 @@ static void tulip_free_ring (struct net_
pci_unmap_single(tp->pdev, tp->tx_buffers[i].mapping,
skb->len, PCI_DMA_TODEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[i].mapping,
+ skb->len, DMA_TO_DEVICE);
+#endif
dev_kfree_skb (skb);
}
tp->tx_buffers[i].skb = NULL;
@@ -901,6 +933,9 @@ static void tulip_get_drvinfo(struct net
#ifdef CONFIG_TULIP_PCI
strlcpy(info->bus_info, pci_name(np->pdev), sizeof(info->bus_info));
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ strlcpy(info->bus_info, "platform", sizeof(info->bus_info));
+#endif
}
@@ -916,6 +951,9 @@ static int tulip_ethtool_set_wol(struct
#ifdef CONFIG_TULIP_PCI
device_set_wakeup_enable(tp->kdev, tp->wolinfo.wolopts);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ device_set_wakeup_enable(&tp->pldev->dev, tp->wolinfo.wolopts);
+#endif
return 0;
}
@@ -1191,9 +1229,9 @@ static void set_rx_mode(struct net_devic
}
+#ifdef CONFIG_TULIP_PCI
tp->tx_buffers[entry].skb = NULL;
tp->tx_buffers[entry].mapping =
-#ifdef CONFIG_TULIP_PCI
pci_map_single(tp->pdev, tp->setup_frame,
sizeof(tp->setup_frame),
PCI_DMA_TODEVICE);
@@ -1217,6 +1255,9 @@ static void set_rx_mode(struct net_devic
spin_unlock_irqrestore(&tp->lock, flags);
}
+ if (tp->chip_id == ADM8668)
+ csr6 |= (1 << 9); /* force 100Mbps full duplex */
+
iowrite32(csr6, ioaddr + CSR6);
}
@@ -1983,6 +2024,126 @@ static void tulip_remove_one(struct pci_
}
#endif /* CONFIG_TULIP_PCI */
+#ifdef CONFIG_TULIP_PLATFORM
+static int tulip_probe(struct platform_device *pdev)
+{
+ struct tulip_private *tp;
+ struct tulip_platform_data *pdata;
+ struct net_device *dev;
+ struct resource *res;
+ void __iomem *ioaddr;
+ int irq;
+
+ if (pdev->id < 0 || pdev->id >= MAX_UNITS)
+ return -EINVAL;
+
+ if (!(res = platform_get_resource(pdev, IORESOURCE_IRQ, 0)))
+ return -ENODEV;
+ irq = res->start;
+ if (!(res = platform_get_resource(pdev, IORESOURCE_MEM, 0)))
+ return -ENODEV;
+ if (!(ioaddr = ioremap(res->start, res->end - res->start)))
+ return -ENODEV;
+
+ pdata = pdev->dev.platform_data;
+ if (!pdata)
+ return -ENODEV;
+
+ if (!(dev = alloc_etherdev(sizeof (*tp))))
+ return -ENOMEM;
+
+ /* setup net dev */
+ dev->base_addr = (unsigned long)res->start;
+ dev->irq = irq;
+ SET_NETDEV_DEV(dev, &pdev->dev);
+
+ /* tulip private struct */
+ tp = netdev_priv(dev);
+ tp->dev = dev;
+ tp->base_addr = ioaddr;
+ tp->csr0 = 0;
+ tp->pldev = pdev;
+ tp->kdev = &pdev->dev;
+ tp->irq = irq;
+ tp->rx_ring = dma_alloc_coherent(&pdev->dev,
+ sizeof(struct tulip_rx_desc) * RX_RING_SIZE +
+ sizeof(struct tulip_tx_desc) * TX_RING_SIZE,
+ &tp->rx_ring_dma, GFP_KERNEL);
+ if (!tp->rx_ring)
+ return -ENODEV;
+ tp->tx_ring = (struct tulip_tx_desc *)(tp->rx_ring + RX_RING_SIZE);
+ tp->tx_ring_dma = tp->rx_ring_dma + sizeof(struct tulip_rx_desc) * RX_RING_SIZE;
+
+ tp->chip_id = pdata->chip_id;
+ tp->flags = tulip_tbl[tp->chip_id].flags;
+
+ spin_lock_init(&tp->lock);
+ spin_lock_init(&tp->mii_lock);
+
+ init_timer(&tp->timer);
+ tp->timer.data = (unsigned long)dev;
+ tp->timer.function = tulip_tbl[tp->chip_id].media_timer;
+
+ INIT_WORK(&tp->media_work, tulip_tbl[tp->chip_id].media_task);
+
+ /* Stop the chip's Tx and Rx processes. */
+ tulip_stop_rxtx(tp);
+
+ /* Clear the missed-packet counter. */
+ ioread32(ioaddr + CSR8);
+
+ if (!is_valid_ether_addr(pdata->mac)) {
+ dev_info(&pdev->dev, "generating random ethernet MAC\n");
+ random_ether_addr(dev->dev_addr);
+ } else
+ memcpy(dev->dev_addr, pdata->mac, ETH_ALEN);
+
+ /* The Tulip-specific entries in the device structure. */
+ dev->netdev_ops = &tulip_netdev_ops;
+ dev->watchdog_timeo = TX_TIMEOUT;
+ netif_napi_add(dev, &tp->napi, tulip_poll, 16);
+ SET_ETHTOOL_OPS(dev, &ops);
+
+ if (register_netdev(dev))
+ goto err_out_free_ring;
+
+ dev_info(&dev->dev,
+ "tulip_platform (%s) at MMIO %#lx %pM, IRQ %d\n",
+ tulip_tbl[tp->chip_id].chip_name,
+ (unsigned long)dev->base_addr, dev->dev_addr, irq);
+
+ platform_set_drvdata(pdev, dev);
+ return 0;
+
+err_out_free_ring:
+ dma_free_coherent(&pdev->dev,
+ sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
+ sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
+ tp->rx_ring, tp->rx_ring_dma);
+ return -ENODEV;
+}
+
+static int tulip_remove(struct platform_device *pdev)
+{
+ struct net_device *dev = platform_get_drvdata (pdev);
+ struct tulip_private *tp;
+
+ if (!dev)
+ return -ENODEV;
+
+ tp = netdev_priv(dev);
+ unregister_netdev(dev);
+ dma_free_coherent(&pdev->dev,
+ sizeof (struct tulip_rx_desc) * RX_RING_SIZE +
+ sizeof (struct tulip_tx_desc) * TX_RING_SIZE,
+ tp->rx_ring, tp->rx_ring_dma);
+ iounmap(tp->base_addr);
+ free_netdev(dev);
+ platform_set_drvdata(pdev, NULL);
+ return 0;
+}
+#endif
+
#ifdef CONFIG_NET_POLL_CONTROLLER
/*
* Polling 'interrupt' - used by things like netconsole to send skbs
@@ -2016,6 +2177,17 @@ static struct pci_driver tulip_pci_drive
};
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+static struct platform_driver tulip_platform_driver = {
+ .probe = tulip_probe,
+ .remove = tulip_remove,
+ .driver = {
+ .owner = THIS_MODULE,
+ .name = DRV_NAME,
+ },
+};
+#endif
+
static int __init tulip_init (void)
{
@@ -2032,6 +2204,9 @@ static int __init tulip_init (void)
#ifdef CONFIG_TULIP_PCI
ret = pci_register_driver(&tulip_pci_driver);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ ret = platform_driver_register(&tulip_platform_driver);
+#endif
return ret;
}
@@ -2041,6 +2216,9 @@ static void __exit tulip_cleanup (void)
#ifdef CONFIG_TULIP_PCI
pci_unregister_driver (&tulip_pci_driver);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ platform_driver_unregister (&tulip_platform_driver);
+#endif
}
--- a/drivers/net/ethernet/dec/tulip/tulip.h
+++ b/drivers/net/ethernet/dec/tulip/tulip.h
@@ -21,6 +21,8 @@
#include <linux/timer.h>
#include <linux/delay.h>
#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/platform_data/tulip.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/unaligned.h>
@@ -69,28 +71,6 @@ enum tbl_flag {
};
-/* chip types. careful! order is VERY IMPORTANT here, as these
- * are used throughout the driver as indices into arrays */
-/* Note 21142 == 21143. */
-enum chips {
- DC21040 = 0,
- DC21041 = 1,
- DC21140 = 2,
- DC21142 = 3, DC21143 = 3,
- LC82C168,
- MX98713,
- MX98715,
- MX98725,
- AX88140,
- PNIC2,
- COMET,
- COMPEX9881,
- I21145,
- DM910X,
- CONEXANT,
-};
-
-
enum MediaIs {
MediaIsFD = 1,
MediaAlwaysFD = 2,
@@ -446,7 +426,12 @@ struct tulip_private {
struct mediatable *mtable;
int cur_index; /* Current media index. */
int saved_if_port;
+#ifdef CONFIG_TULIP_PCI
struct pci_dev *pdev;
+#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ struct platform_device *pldev;
+#endif
struct device *kdev;
int irq;
int ttimer;
--- a/drivers/net/ethernet/dec/tulip/interrupt.c
+++ b/drivers/net/ethernet/dec/tulip/interrupt.c
@@ -77,6 +77,10 @@ int tulip_refill_rx(struct net_device *d
mapping = pci_map_single(tp->pdev, skb->data, PKT_BUF_SZ,
PCI_DMA_FROMDEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ mapping = dma_map_single(&tp->pldev->dev, skb->data, PKT_BUF_SZ,
+ DMA_FROM_DEVICE);
+#endif
if (dma_mapping_error(tp->kdev, mapping)) {
dev_kfree_skb(skb);
tp->rx_buffers[entry].skb = NULL;
@@ -204,8 +208,7 @@ int tulip_poll(struct napi_struct *napi,
dev->stats.rx_fifo_errors++;
}
} else {
- struct sk_buff *skb;
-
+ struct sk_buff *skb;
/* Check if the packet is long enough to accept without copying
to a minimally-sized skbuff. */
if (pkt_len < tulip_rx_copybreak &&
@@ -248,6 +251,10 @@ int tulip_poll(struct napi_struct *napi,
pci_unmap_single(tp->pdev, tp->rx_buffers[entry].mapping,
PKT_BUF_SZ, PCI_DMA_FROMDEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ dma_unmap_single(&tp->pldev->dev, tp->rx_buffers[entry].mapping,
+ PKT_BUF_SZ, DMA_FROM_DEVICE);
+#endif
tp->rx_buffers[entry].skb = NULL;
tp->rx_buffers[entry].mapping = 0;
@@ -641,6 +648,11 @@ irqreturn_t tulip_interrupt(int irq, voi
tp->tx_buffers[entry].skb->len,
PCI_DMA_TODEVICE);
#endif
+#ifdef CONFIG_TULIP_PLATFORM
+ dma_unmap_single(&tp->pldev->dev, tp->tx_buffers[entry].mapping,
+ tp->tx_buffers[entry].skb->len,
+ DMA_TO_DEVICE);
+#endif
/* Free the original skb. */
dev_kfree_skb_irq(tp->tx_buffers[entry].skb);
--- /dev/null
+++ b/include/linux/platform_data/tulip.h
@@ -0,0 +1,31 @@
+#ifndef _LINUX_TULIP_PDATA_H
+#define _LINUX_TULIP_PDATA_H
+
+/* chip types. careful! order is VERY IMPORTANT here, as these
+ * are used throughout the driver as indices into arrays */
+/* Note 21142 == 21143. */
+enum chips {
+ DC21040 = 0,
+ DC21041 = 1,
+ DC21140 = 2,
+ DC21142 = 3, DC21143 = 3,
+ LC82C168,
+ MX98713,
+ MX98715,
+ MX98725,
+ AX88140,
+ PNIC2,
+ COMET,
+ COMPEX9881,
+ I21145,
+ DM910X,
+ CONEXANT,
+ ADM8668,
+};
+
+struct tulip_platform_data {
+ u8 mac[6];
+ enum chips chip_id;
+};
+
+#endif

377
target/linux/adm8668/patches-3.14/200-amba_pl010_hacks.patch Normal file
View File

@@ -0,0 +1,377 @@
--- a/drivers/tty/serial/amba-pl010.c
+++ b/drivers/tty/serial/amba-pl010.c
@@ -49,11 +49,10 @@
#include <asm/io.h>
-#define UART_NR 8
-
#define SERIAL_AMBA_MAJOR 204
#define SERIAL_AMBA_MINOR 16
-#define SERIAL_AMBA_NR UART_NR
+#define SERIAL_AMBA_NR CONFIG_SERIAL_AMBA_PL010_NUMPORTS
+#define SERIAL_AMBA_NAME CONFIG_SERIAL_AMBA_PL010_PORTNAME
#define AMBA_ISR_PASS_LIMIT 256
@@ -79,9 +78,9 @@ static void pl010_stop_tx(struct uart_po
struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
- cr = readb(uap->port.membase + UART010_CR);
+ cr = __raw_readl(uap->port.membase + UART010_CR);
cr &= ~UART010_CR_TIE;
- writel(cr, uap->port.membase + UART010_CR);
+ __raw_writel(cr, uap->port.membase + UART010_CR);
}
static void pl010_start_tx(struct uart_port *port)
@@ -89,9 +88,9 @@ static void pl010_start_tx(struct uart_p
struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
- cr = readb(uap->port.membase + UART010_CR);
+ cr = __raw_readl(uap->port.membase + UART010_CR);
cr |= UART010_CR_TIE;
- writel(cr, uap->port.membase + UART010_CR);
+ __raw_writel(cr, uap->port.membase + UART010_CR);
}
static void pl010_stop_rx(struct uart_port *port)
@@ -99,9 +98,9 @@ static void pl010_stop_rx(struct uart_po
struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
- cr = readb(uap->port.membase + UART010_CR);
+ cr = __raw_readl(uap->port.membase + UART010_CR);
cr &= ~(UART010_CR_RIE | UART010_CR_RTIE);
- writel(cr, uap->port.membase + UART010_CR);
+ __raw_writel(cr, uap->port.membase + UART010_CR);
}
static void pl010_enable_ms(struct uart_port *port)
@@ -109,18 +108,18 @@ static void pl010_enable_ms(struct uart_
struct uart_amba_port *uap = (struct uart_amba_port *)port;
unsigned int cr;
- cr = readb(uap->port.membase + UART010_CR);
+ cr = __raw_readl(uap->port.membase + UART010_CR);
cr |= UART010_CR_MSIE;
- writel(cr, uap->port.membase + UART010_CR);
+ __raw_writel(cr, uap->port.membase + UART010_CR);
}
static void pl010_rx_chars(struct uart_amba_port *uap)
{
unsigned int status, ch, flag, rsr, max_count = 256;
- status = readb(uap->port.membase + UART01x_FR);
+ status = __raw_readl(uap->port.membase + UART01x_FR);
while (UART_RX_DATA(status) && max_count--) {
- ch = readb(uap->port.membase + UART01x_DR);
+ ch = __raw_readl(uap->port.membase + UART01x_DR);
flag = TTY_NORMAL;
uap->port.icount.rx++;
@@ -129,9 +128,9 @@ static void pl010_rx_chars(struct uart_a
* Note that the error handling code is
* out of the main execution path
*/
- rsr = readb(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
+ rsr = __raw_readl(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
if (unlikely(rsr & UART01x_RSR_ANY)) {
- writel(0, uap->port.membase + UART01x_ECR);
+ __raw_writel(0, uap->port.membase + UART01x_ECR);
if (rsr & UART01x_RSR_BE) {
rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE);
@@ -161,7 +160,7 @@ static void pl010_rx_chars(struct uart_a
uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag);
ignore_char:
- status = readb(uap->port.membase + UART01x_FR);
+ status = __raw_readl(uap->port.membase + UART01x_FR);
}
spin_unlock(&uap->port.lock);
tty_flip_buffer_push(&uap->port.state->port);
@@ -174,7 +173,7 @@ static void pl010_tx_chars(struct uart_a
int count;
if (uap->port.x_char) {
- writel(uap->port.x_char, uap->port.membase + UART01x_DR);
+ __raw_writel(uap->port.x_char, uap->port.membase + UART01x_DR);
uap->port.icount.tx++;
uap->port.x_char = 0;
return;
@@ -186,7 +185,7 @@ static void pl010_tx_chars(struct uart_a
count = uap->port.fifosize >> 1;
do {
- writel(xmit->buf[xmit->tail], uap->port.membase + UART01x_DR);
+ __raw_writel(xmit->buf[xmit->tail], uap->port.membase + UART01x_DR);
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
uap->port.icount.tx++;
if (uart_circ_empty(xmit))
@@ -204,9 +203,9 @@ static void pl010_modem_status(struct ua
{
unsigned int status, delta;
- writel(0, uap->port.membase + UART010_ICR);
+ __raw_writel(0, uap->port.membase + UART010_ICR);
- status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
+ status = __raw_readl(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
delta = status ^ uap->old_status;
uap->old_status = status;
@@ -234,7 +233,7 @@ static irqreturn_t pl010_int(int irq, vo
spin_lock(&uap->port.lock);
- status = readb(uap->port.membase + UART010_IIR);
+ status = __raw_readl(uap->port.membase + UART010_IIR);
if (status) {
do {
if (status & (UART010_IIR_RTIS | UART010_IIR_RIS))
@@ -247,7 +246,7 @@ static irqreturn_t pl010_int(int irq, vo
if (pass_counter-- == 0)
break;
- status = readb(uap->port.membase + UART010_IIR);
+ status = __raw_readl(uap->port.membase + UART010_IIR);
} while (status & (UART010_IIR_RTIS | UART010_IIR_RIS |
UART010_IIR_TIS));
handled = 1;
@@ -261,7 +260,7 @@ static irqreturn_t pl010_int(int irq, vo
static unsigned int pl010_tx_empty(struct uart_port *port)
{
struct uart_amba_port *uap = (struct uart_amba_port *)port;
- unsigned int status = readb(uap->port.membase + UART01x_FR);
+ unsigned int status = __raw_readl(uap->port.membase + UART01x_FR);
return status & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT;
}
@@ -271,7 +270,7 @@ static unsigned int pl010_get_mctrl(stru
unsigned int result = 0;
unsigned int status;
- status = readb(uap->port.membase + UART01x_FR);
+ status = __raw_readl(uap->port.membase + UART01x_FR);
if (status & UART01x_FR_DCD)
result |= TIOCM_CAR;
if (status & UART01x_FR_DSR)
@@ -297,12 +296,12 @@ static void pl010_break_ctl(struct uart_
unsigned int lcr_h;
spin_lock_irqsave(&uap->port.lock, flags);
- lcr_h = readb(uap->port.membase + UART010_LCRH);
+ lcr_h = __raw_readl(uap->port.membase + UART010_LCRH);
if (break_state == -1)
lcr_h |= UART01x_LCRH_BRK;
else
lcr_h &= ~UART01x_LCRH_BRK;
- writel(lcr_h, uap->port.membase + UART010_LCRH);
+ __raw_writel(lcr_h, uap->port.membase + UART010_LCRH);
spin_unlock_irqrestore(&uap->port.lock, flags);
}
@@ -330,12 +329,12 @@ static int pl010_startup(struct uart_por
/*
* initialise the old status of the modem signals
*/
- uap->old_status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
+ uap->old_status = __raw_readl(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
/*
* Finally, enable interrupts
*/
- writel(UART01x_CR_UARTEN | UART010_CR_RIE | UART010_CR_RTIE,
+ __raw_writel(UART01x_CR_UARTEN | UART010_CR_RIE | UART010_CR_RTIE,
uap->port.membase + UART010_CR);
return 0;
@@ -358,10 +357,10 @@ static void pl010_shutdown(struct uart_p
/*
* disable all interrupts, disable the port
*/
- writel(0, uap->port.membase + UART010_CR);
+ __raw_writel(0, uap->port.membase + UART010_CR);
/* disable break condition and fifos */
- writel(readb(uap->port.membase + UART010_LCRH) &
+ __raw_writel(__raw_readl(uap->port.membase + UART010_LCRH) &
~(UART01x_LCRH_BRK | UART01x_LCRH_FEN),
uap->port.membase + UART010_LCRH);
@@ -383,7 +382,7 @@ pl010_set_termios(struct uart_port *port
/*
* Ask the core to calculate the divisor for us.
*/
- baud = uart_get_baud_rate(port, termios, old, 0, uap->port.uartclk/16);
+ baud = uart_get_baud_rate(port, termios, old, 0, uap->port.uartclk/16);
quot = uart_get_divisor(port, baud);
switch (termios->c_cflag & CSIZE) {
@@ -446,25 +445,25 @@ pl010_set_termios(struct uart_port *port
uap->port.ignore_status_mask |= UART_DUMMY_RSR_RX;
/* first, disable everything */
- old_cr = readb(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE;
+ old_cr = __raw_readl(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE;
if (UART_ENABLE_MS(port, termios->c_cflag))
old_cr |= UART010_CR_MSIE;
- writel(0, uap->port.membase + UART010_CR);
+ __raw_writel(0, uap->port.membase + UART010_CR);
/* Set baud rate */
quot -= 1;
- writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM);
- writel(quot & 0xff, uap->port.membase + UART010_LCRL);
+ __raw_writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM);
+ __raw_writel(quot & 0xff, uap->port.membase + UART010_LCRL);
/*
* ----------v----------v----------v----------v-----
* NOTE: MUST BE WRITTEN AFTER UARTLCR_M & UARTLCR_L
* ----------^----------^----------^----------^-----
*/
- writel(lcr_h, uap->port.membase + UART010_LCRH);
- writel(old_cr, uap->port.membase + UART010_CR);
+ __raw_writel(lcr_h, uap->port.membase + UART010_LCRH);
+ __raw_writel(old_cr, uap->port.membase + UART010_CR);
spin_unlock_irqrestore(&uap->port.lock, flags);
}
@@ -546,7 +545,7 @@ static struct uart_ops amba_pl010_pops =
.verify_port = pl010_verify_port,
};
-static struct uart_amba_port *amba_ports[UART_NR];
+static struct uart_amba_port *amba_ports[SERIAL_AMBA_NR];
#ifdef CONFIG_SERIAL_AMBA_PL010_CONSOLE
@@ -556,10 +555,10 @@ static void pl010_console_putchar(struct
unsigned int status;
do {
- status = readb(uap->port.membase + UART01x_FR);
+ status = __raw_readl(uap->port.membase + UART01x_FR);
barrier();
} while (!UART_TX_READY(status));
- writel(ch, uap->port.membase + UART01x_DR);
+ __raw_writel(ch, uap->port.membase + UART01x_DR);
}
static void
@@ -573,8 +572,8 @@ pl010_console_write(struct console *co,
/*
* First save the CR then disable the interrupts
*/
- old_cr = readb(uap->port.membase + UART010_CR);
- writel(UART01x_CR_UARTEN, uap->port.membase + UART010_CR);
+ old_cr = __raw_readl(uap->port.membase + UART010_CR);
+ __raw_writel(UART01x_CR_UARTEN, uap->port.membase + UART010_CR);
uart_console_write(&uap->port, s, count, pl010_console_putchar);
@@ -583,10 +582,10 @@ pl010_console_write(struct console *co,
* and restore the TCR
*/
do {
- status = readb(uap->port.membase + UART01x_FR);
+ status = __raw_readl(uap->port.membase + UART01x_FR);
barrier();
} while (status & UART01x_FR_BUSY);
- writel(old_cr, uap->port.membase + UART010_CR);
+ __raw_writel(old_cr, uap->port.membase + UART010_CR);
clk_disable(uap->clk);
}
@@ -595,9 +594,9 @@ static void __init
pl010_console_get_options(struct uart_amba_port *uap, int *baud,
int *parity, int *bits)
{
- if (readb(uap->port.membase + UART010_CR) & UART01x_CR_UARTEN) {
+ if (__raw_readl(uap->port.membase + UART010_CR) & UART01x_CR_UARTEN) {
unsigned int lcr_h, quot;
- lcr_h = readb(uap->port.membase + UART010_LCRH);
+ lcr_h = __raw_readl(uap->port.membase + UART010_LCRH);
*parity = 'n';
if (lcr_h & UART01x_LCRH_PEN) {
@@ -612,8 +611,8 @@ pl010_console_get_options(struct uart_am
else
*bits = 8;
- quot = readb(uap->port.membase + UART010_LCRL) |
- readb(uap->port.membase + UART010_LCRM) << 8;
+ quot = __raw_readl(uap->port.membase + UART010_LCRL) |
+ __raw_readl(uap->port.membase + UART010_LCRM) << 8;
*baud = uap->port.uartclk / (16 * (quot + 1));
}
}
@@ -632,7 +631,7 @@ static int __init pl010_console_setup(st
* if so, search for the first available port that does have
* console support.
*/
- if (co->index >= UART_NR)
+ if (co->index >= SERIAL_AMBA_NR)
co->index = 0;
uap = amba_ports[co->index];
if (!uap)
@@ -654,7 +653,7 @@ static int __init pl010_console_setup(st
static struct uart_driver amba_reg;
static struct console amba_console = {
- .name = "ttyAM",
+ .name = SERIAL_AMBA_NAME,
.write = pl010_console_write,
.device = uart_console_device,
.setup = pl010_console_setup,
@@ -670,11 +669,11 @@ static struct console amba_console = {
static struct uart_driver amba_reg = {
.owner = THIS_MODULE,
- .driver_name = "ttyAM",
- .dev_name = "ttyAM",
+ .driver_name = SERIAL_AMBA_NAME,
+ .dev_name = SERIAL_AMBA_NAME,
.major = SERIAL_AMBA_MAJOR,
.minor = SERIAL_AMBA_MINOR,
- .nr = UART_NR,
+ .nr = SERIAL_AMBA_NR,
.cons = AMBA_CONSOLE,
};
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -18,10 +18,25 @@ config SERIAL_AMBA_PL010
help
This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
an Integrator/AP or Integrator/PP2 platform, or if you have a
- Cirrus Logic EP93xx CPU, say Y or M here.
+ Cirrus Logic EP93xx CPU or an Infineon ADM5120 SOC, say Y or M here.
If unsure, say N.
+config SERIAL_AMBA_PL010_NUMPORTS
+ int "Maximum number of AMBA PL010 serial ports"
+ depends on SERIAL_AMBA_PL010
+ default "8"
+ ---help---
+ Set this to the number of serial ports you want the AMBA PL010 driver
+ to support.
+
+config SERIAL_AMBA_PL010_PORTNAME
+ string "Name of the AMBA PL010 serial ports"
+ depends on SERIAL_AMBA_PL010
+ default "ttyAM"
+ ---help---
+ ::: To be written :::
+
config SERIAL_AMBA_PL010_CONSOLE
bool "Support for console on AMBA serial port"
depends on SERIAL_AMBA_PL010=y

13
target/linux/adm8668/patches-3.14/201-amba_bus_hacks.patch Normal file
View File

@@ -0,0 +1,13 @@
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -20,6 +20,10 @@
#include <asm/irq.h>
+#ifndef NO_IRQ
+#define NO_IRQ (-1)
+#endif
+
#define to_amba_driver(d) container_of(d, struct amba_driver, drv)
static const struct amba_id *