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staging: mt7621-pci: avoid register duplication per controller using pcie_[read|write] 

Use pcie_[read|write] fucntions to read and write controller registers.
Define those only by offset and pass controller offset + register offset
relative to base address to functions.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Tested-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergio Paracuellos 2018-08-03 10:27:01 +02:00 committed by Greg Kroah-Hartman
parent edec14020e
commit e38bb17540
1 changed files with 34 additions and 36 deletions
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70
drivers/staging/mt7621-pci/pci-mt7621.c
View File

@ -74,8 +74,8 @@
#define RALINK_PCI_CONFIG_ADDR 0x20
#define RALINK_PCI_CONFIG_DATA_VIRTUAL_REG 0x24
#define RALINK_PCI_MEMBASE *(volatile u32 *)(RALINK_PCI_BASE + 0x0028)
#define RALINK_PCI_IOBASE *(volatile u32 *)(RALINK_PCI_BASE + 0x002C)
#define RALINK_PCI_MEMBASE 0x28
#define RALINK_PCI_IOBASE 0x2C
#define RALINK_PCIE0_RST (1<<24)
#define RALINK_PCIE1_RST (1<<25)
#define RALINK_PCIE2_RST (1<<26)
@ -88,26 +88,12 @@
#define RT6855_PCIE1_OFFSET 0x3000
#define RT6855_PCIE2_OFFSET 0x4000
#define RALINK_PCI0_BAR0SETUP_ADDR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0010)
#define RALINK_PCI0_IMBASEBAR0_ADDR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0018)
#define RALINK_PCI0_ID *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0030)
#define RALINK_PCI0_CLASS *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0034)
#define RALINK_PCI0_SUBID *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0038)
#define RALINK_PCI0_STATUS *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0050)
#define RALINK_PCI1_BAR0SETUP_ADDR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0010)
#define RALINK_PCI1_IMBASEBAR0_ADDR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0018)
#define RALINK_PCI1_ID *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0030)
#define RALINK_PCI1_CLASS *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0034)
#define RALINK_PCI1_SUBID *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0038)
#define RALINK_PCI1_STATUS *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0050)
#define RALINK_PCI2_BAR0SETUP_ADDR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0010)
#define RALINK_PCI2_IMBASEBAR0_ADDR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0018)
#define RALINK_PCI2_ID *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0030)
#define RALINK_PCI2_CLASS *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0034)
#define RALINK_PCI2_SUBID *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0038)
#define RALINK_PCI2_STATUS *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0050)
#define RALINK_PCI_BAR0SETUP_ADDR 0x0010
#define RALINK_PCI_IMBASEBAR0_ADDR 0x0018
#define RALINK_PCI_ID 0x0030
#define RALINK_PCI_CLASS 0x0034
#define RALINK_PCI_SUBID 0x0038
#define RALINK_PCI_STATUS 0x0050
#define RALINK_PCIEPHY_P0P1_CTL_OFFSET (RALINK_PCI_BASE + 0x9000)
#define RALINK_PCIEPHY_P2_CTL_OFFSET (RALINK_PCI_BASE + 0xA000)
@ -566,7 +552,7 @@ static int mt7621_pci_probe(struct platform_device *pdev)
*(unsigned int *)(0xbe000620) |= 0x1<<19 | 0x1<<8 | 0x1<<7; // set DATA
mdelay(1000);
if ((RALINK_PCI0_STATUS & 0x1) == 0) {
if ((pcie_read(pcie, RT6855_PCIE0_OFFSET + RALINK_PCI_STATUS) & 0x1) == 0) {
printk("PCIE0 no card, disable it(RST&CLK)\n");
ASSERT_SYSRST_PCIE(RALINK_PCIE0_RST);
rt_sysc_m32(RALINK_PCIE0_CLK_EN, 0, RALINK_CLKCFG1);
@ -576,7 +562,7 @@ static int mt7621_pci_probe(struct platform_device *pdev)
RALINK_PCI_PCIMSK_ADDR |= (1<<20); // enable pcie1 interrupt
}
if ((RALINK_PCI1_STATUS & 0x1) == 0) {
if ((pcie_read(pcie, RT6855_PCIE1_OFFSET + RALINK_PCI_STATUS) & 0x1) == 0) {
printk("PCIE1 no card, disable it(RST&CLK)\n");
ASSERT_SYSRST_PCIE(RALINK_PCIE1_RST);
rt_sysc_m32(RALINK_PCIE1_CLK_EN, 0, RALINK_CLKCFG1);
@ -586,7 +572,7 @@ static int mt7621_pci_probe(struct platform_device *pdev)
RALINK_PCI_PCIMSK_ADDR |= (1<<21); // enable pcie1 interrupt
}
if ((RALINK_PCI2_STATUS & 0x1) == 0) {
if ((pcie_read(pcie, RT6855_PCIE2_OFFSET + RALINK_PCI_STATUS) & 0x1) == 0) {
printk("PCIE2 no card, disable it(RST&CLK)\n");
ASSERT_SYSRST_PCIE(RALINK_PCIE2_RST);
rt_sysc_m32(RALINK_PCIE2_CLK_EN, 0, RALINK_CLKCFG1);
@ -641,30 +627,42 @@ pcie(2/1/0) link status pcie2_num pcie1_num pcie0_num
ioport_resource.end = mt7621_res_pci_io1.end;
*/
RALINK_PCI_MEMBASE = 0xffffffff; //RALINK_PCI_MM_MAP_BASE;
RALINK_PCI_IOBASE = RALINK_PCI_IO_MAP_BASE;
pcie_write(pcie, 0xffffffff, RALINK_PCI_MEMBASE);
pcie_write(pcie, RALINK_PCI_IO_MAP_BASE, RALINK_PCI_IOBASE);
//PCIe0
if ((pcie_link_status & 0x1) != 0) {
RALINK_PCI0_BAR0SETUP_ADDR = 0x7FFF0001; //open 7FFF:2G; ENABLE
RALINK_PCI0_IMBASEBAR0_ADDR = MEMORY_BASE;
RALINK_PCI0_CLASS = 0x06040001;
/* open 7FFF:2G; ENABLE */
pcie_write(pcie, 0x7FFF0001,
RT6855_PCIE0_OFFSET + RALINK_PCI_BAR0SETUP_ADDR);
pcie_write(pcie, MEMORY_BASE,
RT6855_PCIE0_OFFSET + RALINK_PCI_IMBASEBAR0_ADDR);
pcie_write(pcie, 0x06040001,
RT6855_PCIE0_OFFSET + RALINK_PCI_CLASS);
printk("PCIE0 enabled\n");
}
//PCIe1
if ((pcie_link_status & 0x2) != 0) {
RALINK_PCI1_BAR0SETUP_ADDR = 0x7FFF0001; //open 7FFF:2G; ENABLE
RALINK_PCI1_IMBASEBAR0_ADDR = MEMORY_BASE;
RALINK_PCI1_CLASS = 0x06040001;
/* open 7FFF:2G; ENABLE */
pcie_write(pcie, 0x7FFF0001,
RT6855_PCIE1_OFFSET + RALINK_PCI_BAR0SETUP_ADDR);
pcie_write(pcie, MEMORY_BASE,
RT6855_PCIE1_OFFSET + RALINK_PCI_IMBASEBAR0_ADDR);
pcie_write(pcie, 0x06040001,
RT6855_PCIE1_OFFSET + RALINK_PCI_CLASS);
printk("PCIE1 enabled\n");
}
//PCIe2
if ((pcie_link_status & 0x4) != 0) {
RALINK_PCI2_BAR0SETUP_ADDR = 0x7FFF0001; //open 7FFF:2G; ENABLE
RALINK_PCI2_IMBASEBAR0_ADDR = MEMORY_BASE;
RALINK_PCI2_CLASS = 0x06040001;
/* open 7FFF:2G; ENABLE */
pcie_write(pcie, 0x7FFF0001,
RT6855_PCIE2_OFFSET + RALINK_PCI_BAR0SETUP_ADDR);
pcie_write(pcie, MEMORY_BASE,
RT6855_PCIE2_OFFSET + RALINK_PCI_IMBASEBAR0_ADDR);
pcie_write(pcie, 0x06040001,
RT6855_PCIE2_OFFSET + RALINK_PCI_CLASS);
printk("PCIE2 enabled\n");
}