dumalogiya
/
openwrt
2
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Revert "ramips: pci: sync with staging driver"

Browse Source 
This reverts commit e07baec9fa.

Signed-off-by: John Crispin <john@phrozen.org>
v19.07.3_mercusys_ac12_duma
John Crispin 6 years ago
parent 8a570921b5
commit 784943e3f2
1 changed files with 168 additions and 150 deletions
Show Stats Download Patch File Download Diff File

318
target/linux/ramips/files-4.14/arch/mips/pci/pci-mt7621.c
Unescape Escape View File

@ -52,103 +52,108 @@
#include <linux/delay.h>
#include <linux/of.h>
#include <linux/of_pci.h>
#include <linux/of_irq.h>
#include <linux/platform_device.h>
#include <ralink_regs.h>
extern void pcie_phy_init(void);
extern void chk_phy_pll(void);
/*
* These functions and structures provide the BIOS scan and mapping of the PCI
* devices.
*/
#define RALINK_PCIE0_CLK_EN (1<<24)
#define RALINK_PCIE1_CLK_EN (1<<25)
#define RALINK_PCIE2_CLK_EN (1<<26)
#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_PCIE0_RST (1<<24)
#define RALINK_PCIE1_RST (1<<25)
#define RALINK_PCIE2_RST (1<<26)
#define RALINK_SYSCTL_BASE 0xBE000000
#define RALINK_PCI_PCICFG_ADDR *(volatile u32 *)(RALINK_PCI_BASE + 0x0000)
#define RALINK_PCI_PCIMSK_ADDR *(volatile u32 *)(RALINK_PCI_BASE + 0x000C)
#define RALINK_PCI_BASE 0xBE140000
#define RALINK_PCIEPHY_P0P1_CTL_OFFSET (RALINK_PCI_BASE + 0x9000)
#define RT6855_PCIE0_OFFSET 0x2000
#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_PCI0_DERR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0060)
#define RALINK_PCI0_ECRC *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0064)
#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_PCI1_DERR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0060)
#define RALINK_PCI1_ECRC *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0064)
#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_PCI2_DERR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0060)
#define RALINK_PCI2_ECRC *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0064)
#define RALINK_PCIEPHY_P0P1_CTL_OFFSET (RALINK_PCI_BASE + 0x9000)
#define RALINK_PCIEPHY_P2_CTL_OFFSET (RALINK_PCI_BASE + 0xA000)
#define MV_WRITE(ofs, data) \
*(volatile u32 *)(RALINK_PCI_BASE+(ofs)) = cpu_to_le32(data)
#define MV_READ(ofs, data) \
*(data) = le32_to_cpu(*(volatile u32 *)(RALINK_PCI_BASE+(ofs)))
#define MV_READ_DATA(ofs) \
le32_to_cpu(*(volatile u32 *)(RALINK_PCI_BASE+(ofs)))
#define MV_WRITE_16(ofs, data) \
*(volatile u16 *)(RALINK_PCI_BASE+(ofs)) = cpu_to_le16(data)
#define MV_READ_16(ofs, data) \
*(data) = le16_to_cpu(*(volatile u16 *)(RALINK_PCI_BASE+(ofs)))
#define MV_WRITE_8(ofs, data) \
*(volatile u8 *)(RALINK_PCI_BASE+(ofs)) = data
#define MV_READ_8(ofs, data) \
*(data) = *(volatile u8 *)(RALINK_PCI_BASE+(ofs))
#define RALINK_PCI_MM_MAP_BASE 0x60000000
#define RALINK_PCI_IO_MAP_BASE 0x1e160000
#define RALINK_PCIE0_CLK_EN (1<<24)
#define RALINK_PCIE1_CLK_EN (1<<25)
#define RALINK_PCIE2_CLK_EN (1<<26)
#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_PCIE0_RST (1<<24)
#define RALINK_PCIE1_RST (1<<25)
#define RALINK_PCIE2_RST (1<<26)
#define RALINK_SYSCTL_BASE 0xBE000000
#define RALINK_PCI_PCICFG_ADDR *(volatile u32 *)(RALINK_PCI_BASE + 0x0000)
#define RALINK_PCI_PCIMSK_ADDR *(volatile u32 *)(RALINK_PCI_BASE + 0x000C)
#define RALINK_PCI_BASE 0xBE140000
#define RALINK_PCIEPHY_P0P1_CTL_OFFSET (RALINK_PCI_BASE + 0x9000)
#define RT6855_PCIE0_OFFSET 0x2000
#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_PCI0_DERR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0060)
#define RALINK_PCI0_ECRC *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE0_OFFSET + 0x0064)
#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_PCI1_DERR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0060)
#define RALINK_PCI1_ECRC *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE1_OFFSET + 0x0064)
#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_PCI2_DERR *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0060)
#define RALINK_PCI2_ECRC *(volatile u32 *)(RALINK_PCI_BASE + RT6855_PCIE2_OFFSET + 0x0064)
#define RALINK_PCIEPHY_P0P1_CTL_OFFSET (RALINK_PCI_BASE + 0x9000)
#define RALINK_PCIEPHY_P2_CTL_OFFSET (RALINK_PCI_BASE + 0xA000)
#define MV_WRITE(ofs, data) \
*(volatile u32 *)(RALINK_PCI_BASE+(ofs)) = cpu_to_le32(data)
#define MV_READ(ofs, data) \
*(data) = le32_to_cpu(*(volatile u32 *)(RALINK_PCI_BASE+(ofs)))
#define MV_READ_DATA(ofs) \
le32_to_cpu(*(volatile u32 *)(RALINK_PCI_BASE+(ofs)))
#define MV_WRITE_16(ofs, data) \
*(volatile u16 *)(RALINK_PCI_BASE+(ofs)) = cpu_to_le16(data)
#define MV_READ_16(ofs, data) \
*(data) = le16_to_cpu(*(volatile u16 *)(RALINK_PCI_BASE+(ofs)))
#define MV_WRITE_8(ofs, data) \
*(volatile u8 *)(RALINK_PCI_BASE+(ofs)) = data
#define MV_READ_8(ofs, data) \
*(data) = *(volatile u8 *)(RALINK_PCI_BASE+(ofs))
#define RALINK_PCI_MM_MAP_BASE 0x60000000
#define RALINK_PCI_IO_MAP_BASE 0x1e160000
#define RALINK_SYSTEM_CONTROL_BASE 0xbe000000
#define ASSERT_SYSRST_PCIE(val) \
do { \
if (*(unsigned int *)(0xbe00000c) == 0x00030101) \
RALINK_RSTCTRL |= val; \
else \
RALINK_RSTCTRL &= ~val; \
} while(0)
#define DEASSERT_SYSRST_PCIE(val) \
do { \
if (*(unsigned int *)(0xbe00000c) == 0x00030101) \
RALINK_RSTCTRL &= ~val; \
else \
RALINK_RSTCTRL |= val; \
} while(0)
#define ASSERT_SYSRST_PCIE(val) do { \
if (*(unsigned int *)(0xbe00000c) == 0x00030101) \
RALINK_RSTCTRL |= val; \
else \
RALINK_RSTCTRL &= ~val; \
} while(0)
#define DEASSERT_SYSRST_PCIE(val) do { \
if (*(unsigned int *)(0xbe00000c) == 0x00030101) \
RALINK_RSTCTRL &= ~val; \
else \
RALINK_RSTCTRL |= val; \
} while(0)
#define RALINK_SYSCFG1 *(unsigned int *)(RALINK_SYSTEM_CONTROL_BASE + 0x14)
#define RALINK_CLKCFG1 *(unsigned int *)(RALINK_SYSTEM_CONTROL_BASE + 0x30)
#define RALINK_RSTCTRL *(unsigned int *)(RALINK_SYSTEM_CONTROL_BASE + 0x34)
@ -183,6 +188,8 @@ static int pcie_link_status = 0;
#define PCI_ACCESS_WRITE_2 4
#define PCI_ACCESS_WRITE_4 5
static int pcie_irq[3];
static int config_access(unsigned char access_type, struct pci_bus *bus,
unsigned int devfn, unsigned int where, u32 * data)
{
@ -268,6 +275,7 @@ write_config_dword(struct pci_bus *bus, unsigned int devfn, int where, u32 val)
return PCIBIOS_SUCCESSFUL;
}
static int
pci_config_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 * val)
{
@ -295,12 +303,13 @@ pci_config_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u
}
struct pci_ops mt7621_pci_ops= {
.read = pci_config_read,
.read = pci_config_read,
.write = pci_config_write,
};
static struct resource mt7621_res_pci_mem1;
static struct resource mt7621_res_pci_io1;
static struct pci_controller mt7621_controller = {
.pci_ops = &mt7621_pci_ops,
.mem_resource = &mt7621_res_pci_mem1,
@ -313,10 +322,10 @@ read_config(unsigned long bus, unsigned long dev, unsigned long func, unsigned l
unsigned int address_reg, data_reg, address;
address_reg = RALINK_PCI_CONFIG_ADDR;
data_reg = RALINK_PCI_CONFIG_DATA_VIRTUAL_REG;
data_reg = RALINK_PCI_CONFIG_DATA_VIRTUAL_REG;
address = (((reg & 0xF00)>>8)<<24) | (bus << 16) | (dev << 11) | (func << 8) | (reg & 0xfc) | 0x80000000 ;
MV_WRITE(address_reg, address);
MV_READ(data_reg, val);
MV_WRITE(address_reg, address);
MV_READ(data_reg, val);
return;
}
@ -333,6 +342,7 @@ write_config(unsigned long bus, unsigned long dev, unsigned long func, unsigned
return;
}
int
pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
@ -361,8 +371,11 @@ pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
void
set_pcie_phy(u32 *addr, int start_b, int bits, int val)
{
// printk("0x%p:", addr);
// printk(" %x", *addr);
*(unsigned int *)(addr) &= ~(((1<<bits) - 1)<<start_b);
*(unsigned int *)(addr) |= val << start_b;
// printk(" -> %x\n", *addr);
}
void
@ -389,75 +402,75 @@ set_phy_for_ssc(void)
/* Debug Xtal Type */
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x400), 8, 1, 0x01); // rg_pe1_frc_h_xtal_type
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x400), 9, 2, 0x00); // rg_pe1_h_xtal_type
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x000), 4, 1, 0x01); // rg_pe1_frc_phy_en //Force Port 0 enable control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x100), 4, 1, 0x01); // rg_pe1_frc_phy_en //Force Port 1 enable control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x000), 5, 1, 0x00); // rg_pe1_phy_en //Port 0 disable
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x100), 5, 1, 0x00); // rg_pe1_phy_en //Port 1 disable
if(reg <= 5 && reg >= 3) { // 40MHz Xtal
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 6, 2, 0x01); // RG_PE1_H_PLL_PREDIV //Pre-divider ratio (for host mode)
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x000), 4, 1, 0x01); // rg_pe1_frc_phy_en //Force Port 0 enable control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x100), 4, 1, 0x01); // rg_pe1_frc_phy_en //Force Port 1 enable control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x000), 5, 1, 0x00); // rg_pe1_phy_en //Port 0 disable
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x100), 5, 1, 0x00); // rg_pe1_phy_en //Port 1 disable
if(reg <= 5 && reg >= 3) { // 40MHz Xtal
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 6, 2, 0x01); // RG_PE1_H_PLL_PREDIV //Pre-divider ratio (for host mode)
printk("***** Xtal 40MHz *****\n");
} else { // 25MHz | 20MHz Xtal
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 6, 2, 0x00); // RG_PE1_H_PLL_PREDIV //Pre-divider ratio (for host mode)
if (reg >= 6) {
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 6, 2, 0x00); // RG_PE1_H_PLL_PREDIV //Pre-divider ratio (for host mode)
if (reg >= 6) {
printk("***** Xtal 25MHz *****\n");
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4bc), 4, 2, 0x01); // RG_PE1_H_PLL_FBKSEL //Feedback clock select
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x49c), 0,31, 0x18000000); // RG_PE1_H_LCDDS_PCW_NCPO //DDS NCPO PCW (for host mode)
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4a4), 0,16, 0x18d); // RG_PE1_H_LCDDS_SSC_PRD //DDS SSC dither period control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4a8), 0,12, 0x4a); // RG_PE1_H_LCDDS_SSC_DELTA //DDS SSC dither amplitude control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4a8), 16,12, 0x4a); // RG_PE1_H_LCDDS_SSC_DELTA1 //DDS SSC dither amplitude control for initial
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4bc), 4, 2, 0x01); // RG_PE1_H_PLL_FBKSEL //Feedback clock select
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x49c), 0,31, 0x18000000); // RG_PE1_H_LCDDS_PCW_NCPO //DDS NCPO PCW (for host mode)
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4a4), 0,16, 0x18d); // RG_PE1_H_LCDDS_SSC_PRD //DDS SSC dither period control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4a8), 0,12, 0x4a); // RG_PE1_H_LCDDS_SSC_DELTA //DDS SSC dither amplitude control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4a8), 16,12, 0x4a); // RG_PE1_H_LCDDS_SSC_DELTA1 //DDS SSC dither amplitude control for initial
} else {
printk("***** Xtal 20MHz *****\n");
}
}
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4a0), 5, 1, 0x01); // RG_PE1_LCDDS_CLK_PH_INV //DDS clock inversion
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 22, 2, 0x02); // RG_PE1_H_PLL_BC
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 18, 4, 0x06); // RG_PE1_H_PLL_BP
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 12, 4, 0x02); // RG_PE1_H_PLL_IR
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 8, 4, 0x01); // RG_PE1_H_PLL_IC
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4ac), 16, 3, 0x00); // RG_PE1_H_PLL_BR
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 1, 3, 0x02); // RG_PE1_PLL_DIVEN
if(reg <= 5 && reg >= 3) { // 40MHz Xtal
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4a0), 5, 1, 0x01); // RG_PE1_LCDDS_CLK_PH_INV //DDS clock inversion
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 22, 2, 0x02); // RG_PE1_H_PLL_BC
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 18, 4, 0x06); // RG_PE1_H_PLL_BP
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 12, 4, 0x02); // RG_PE1_H_PLL_IR
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 8, 4, 0x01); // RG_PE1_H_PLL_IC
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x4ac), 16, 3, 0x00); // RG_PE1_H_PLL_BR
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x490), 1, 3, 0x02); // RG_PE1_PLL_DIVEN
if(reg <= 5 && reg >= 3) { // 40MHz Xtal
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x414), 6, 2, 0x01); // rg_pe1_mstckdiv //value of da_pe1_mstckdiv when force mode enable
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x414), 5, 1, 0x01); // rg_pe1_frc_mstckdiv //force mode enable of da_pe1_mstckdiv
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x414), 5, 1, 0x01); // rg_pe1_frc_mstckdiv //force mode enable of da_pe1_mstckdiv
}
/* Enable PHY and disable force mode */
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x000), 5, 1, 0x01); // rg_pe1_phy_en //Port 0 enable
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x100), 5, 1, 0x01); // rg_pe1_phy_en //Port 1 enable
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x000), 4, 1, 0x00); // rg_pe1_frc_phy_en //Force Port 0 disable control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x100), 4, 1, 0x00); // rg_pe1_frc_phy_en //Force Port 1 disable control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x000), 5, 1, 0x01); // rg_pe1_phy_en //Port 0 enable
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x100), 5, 1, 0x01); // rg_pe1_phy_en //Port 1 enable
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x000), 4, 1, 0x00); // rg_pe1_frc_phy_en //Force Port 0 disable control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P0P1_CTL_OFFSET + 0x100), 4, 1, 0x00); // rg_pe1_frc_phy_en //Force Port 1 disable control
/* Set PCIe Port2 PHY to disable SSC */
/* Debug Xtal Type */
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x400), 8, 1, 0x01); // rg_pe1_frc_h_xtal_type
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x400), 9, 2, 0x00); // rg_pe1_h_xtal_type
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x000), 4, 1, 0x01); // rg_pe1_frc_phy_en //Force Port 0 enable control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x000), 5, 1, 0x00); // rg_pe1_phy_en //Port 0 disable
if(reg <= 5 && reg >= 3) { // 40MHz Xtal
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 6, 2, 0x01); // RG_PE1_H_PLL_PREDIV //Pre-divider ratio (for host mode)
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x000), 4, 1, 0x01); // rg_pe1_frc_phy_en //Force Port 0 enable control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x000), 5, 1, 0x00); // rg_pe1_phy_en //Port 0 disable
if(reg <= 5 && reg >= 3) { // 40MHz Xtal
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 6, 2, 0x01); // RG_PE1_H_PLL_PREDIV //Pre-divider ratio (for host mode)
} else { // 25MHz | 20MHz Xtal
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 6, 2, 0x00); // RG_PE1_H_PLL_PREDIV //Pre-divider ratio (for host mode)
if (reg >= 6) { // 25MHz Xtal
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4bc), 4, 2, 0x01); // RG_PE1_H_PLL_FBKSEL //Feedback clock select
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x49c), 0,31, 0x18000000); // RG_PE1_H_LCDDS_PCW_NCPO //DDS NCPO PCW (for host mode)
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4a4), 0,16, 0x18d); // RG_PE1_H_LCDDS_SSC_PRD //DDS SSC dither period control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4a8), 0,12, 0x4a); // RG_PE1_H_LCDDS_SSC_DELTA //DDS SSC dither amplitude control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4a8), 16,12, 0x4a); // RG_PE1_H_LCDDS_SSC_DELTA1 //DDS SSC dither amplitude control for initial
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 6, 2, 0x00); // RG_PE1_H_PLL_PREDIV //Pre-divider ratio (for host mode)
if (reg >= 6) { // 25MHz Xtal
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4bc), 4, 2, 0x01); // RG_PE1_H_PLL_FBKSEL //Feedback clock select
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x49c), 0,31, 0x18000000); // RG_PE1_H_LCDDS_PCW_NCPO //DDS NCPO PCW (for host mode)
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4a4), 0,16, 0x18d); // RG_PE1_H_LCDDS_SSC_PRD //DDS SSC dither period control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4a8), 0,12, 0x4a); // RG_PE1_H_LCDDS_SSC_DELTA //DDS SSC dither amplitude control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4a8), 16,12, 0x4a); // RG_PE1_H_LCDDS_SSC_DELTA1 //DDS SSC dither amplitude control for initial
}
}
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4a0), 5, 1, 0x01); // RG_PE1_LCDDS_CLK_PH_INV //DDS clock inversion
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 22, 2, 0x02); // RG_PE1_H_PLL_BC
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 18, 4, 0x06); // RG_PE1_H_PLL_BP
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 12, 4, 0x02); // RG_PE1_H_PLL_IR
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 8, 4, 0x01); // RG_PE1_H_PLL_IC
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4ac), 16, 3, 0x00); // RG_PE1_H_PLL_BR
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 1, 3, 0x02); // RG_PE1_PLL_DIVEN
if(reg <= 5 && reg >= 3) { // 40MHz Xtal
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4a0), 5, 1, 0x01); // RG_PE1_LCDDS_CLK_PH_INV //DDS clock inversion
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 22, 2, 0x02); // RG_PE1_H_PLL_BC
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 18, 4, 0x06); // RG_PE1_H_PLL_BP
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 12, 4, 0x02); // RG_PE1_H_PLL_IR
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 8, 4, 0x01); // RG_PE1_H_PLL_IC
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x4ac), 16, 3, 0x00); // RG_PE1_H_PLL_BR
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x490), 1, 3, 0x02); // RG_PE1_PLL_DIVEN
if(reg <= 5 && reg >= 3) { // 40MHz Xtal
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x414), 6, 2, 0x01); // rg_pe1_mstckdiv //value of da_pe1_mstckdiv when force mode enable
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x414), 5, 1, 0x01); // rg_pe1_frc_mstckdiv //force mode enable of da_pe1_mstckdiv
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x414), 5, 1, 0x01); // rg_pe1_frc_mstckdiv //force mode enable of da_pe1_mstckdiv
}
/* Enable PHY and disable force mode */
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x000), 5, 1, 0x01); // rg_pe1_phy_en //Port 0 enable
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x000), 4, 1, 0x00); // rg_pe1_frc_phy_en //Force Port 0 disable control
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x000), 5, 1, 0x01); // rg_pe1_phy_en //Port 0 enable
set_pcie_phy((u32 *)(RALINK_PCIEPHY_P2_CTL_OFFSET + 0x000), 4, 1, 0x00); // rg_pe1_frc_phy_en //Force Port 0 disable control
}
void setup_cm_memory_region(struct resource *mem_resource)
@ -465,21 +478,25 @@ void setup_cm_memory_region(struct resource *mem_resource)
resource_size_t mask;
if (mips_cps_numiocu(0)) {
/* FIXME: hardware doesn't accept mask values with 1s after
* 0s (e.g. 0xffef), so it would be great to warn if that's
* about to happen */
0s (e.g. 0xffef), so it would be great to warn if that's
about to happen */
mask = ~(mem_resource->end - mem_resource->start);
write_gcr_reg1_base(mem_resource->start);
write_gcr_reg1_mask(mask | CM_GCR_REGn_MASK_CMTGT_IOCU0);
printk("PCI coherence region base: 0x%08llx, mask/settings: 0x%08llx\n",
(unsigned long long)read_gcr_reg1_base(),
(unsigned long long)read_gcr_reg1_mask());
printk("PCI coherence region base: 0x%08lx, mask/settings: 0x%08lx\n",
read_gcr_reg1_base(),
read_gcr_reg1_mask());
}
}
static int mt7621_pci_probe(struct platform_device *pdev)
{
unsigned long val = 0;
int i;
for (i = 0; i < 3; i++)
pcie_irq[i] = irq_of_parse_and_map(pdev->dev.of_node, i);
iomem_resource.start = 0;
iomem_resource.end= ~0;
@ -491,6 +508,7 @@ static int mt7621_pci_probe(struct platform_device *pdev)
val |= RALINK_PCIE2_RST;
ASSERT_SYSRST_PCIE(RALINK_PCIE0_RST | RALINK_PCIE1_RST | RALINK_PCIE2_RST);
printk("pull PCIe RST: RALINK_RSTCTRL = %x\n", RALINK_RSTCTRL);
*(unsigned int *)(0xbe000060) &= ~(0x3<<10 | 0x3<<3);
*(unsigned int *)(0xbe000060) |= 0x1<<10 | 0x1<<3;
@ -506,17 +524,17 @@ static int mt7621_pci_probe(struct platform_device *pdev)
val |= RALINK_PCIE2_RST;
DEASSERT_SYSRST_PCIE(val);
printk("release PCIe RST: RALINK_RSTCTRL = %x\n", RALINK_RSTCTRL);
if ((*(unsigned int *)(0xbe00000c)&0xFFFF) == 0x0101) // MT7621 E2
bypass_pipe_rst();
set_phy_for_ssc();
printk("release PCIe RST: RALINK_RSTCTRL = %x\n", RALINK_RSTCTRL);
read_config(0, 0, 0, 0x70c, &val);
printk("Port 0 N_FTS = %x\n", (unsigned int)val);
read_config(0, 1, 0, 0x70c, &val);
printk("Port 1 N_FTS = %x\n", (unsigned int)val);
read_config(0, 2, 0, 0x70c, &val);
printk("Port 2 N_FTS = %x\n", (unsigned int)val);
@ -544,7 +562,6 @@ static int mt7621_pci_probe(struct platform_device *pdev)
pcie_link_status |= 1<<0;
RALINK_PCI_PCIMSK_ADDR |= (1<<20); // enable pcie1 interrupt
}
if(( RALINK_PCI1_STATUS & 0x1) == 0)
{
printk("PCIE1 no card, disable it(RST&CLK)\n");
@ -555,7 +572,6 @@ static int mt7621_pci_probe(struct platform_device *pdev)
pcie_link_status |= 1<<1;
RALINK_PCI_PCIMSK_ADDR |= (1<<21); // enable pcie1 interrupt
}
if (( RALINK_PCI2_STATUS & 0x1) == 0) {
printk("PCIE2 no card, disable it(RST&CLK)\n");
ASSERT_SYSRST_PCIE(RALINK_PCIE2_RST);
@ -565,7 +581,6 @@ static int mt7621_pci_probe(struct platform_device *pdev)
pcie_link_status |= 1<<2;
RALINK_PCI_PCIMSK_ADDR |= (1<<22); // enable pcie2 interrupt
}
if (pcie_link_status == 0)
return 0;
@ -605,10 +620,12 @@ pcie(2/1/0) link status pcie2_num pcie1_num pcie0_num
RALINK_PCI_PCICFG_ADDR |= 0x1 << 24; //port2
break;
}
printk(" -> %x\n", RALINK_PCI_PCICFG_ADDR);
//printk(" RALINK_PCI_ARBCTL = %x\n", RALINK_PCI_ARBCTL);
/*
ioport_resource.start = mt7621_res_pci_io1.start;
ioport_resource.end = mt7621_res_pci_io1.end;
ioport_resource.end = mt7621_res_pci_io1.end;
*/
RALINK_PCI_MEMBASE = 0xffffffff; //RALINK_PCI_MM_MAP_BASE;
@ -621,7 +638,6 @@ pcie(2/1/0) link status pcie2_num pcie1_num pcie0_num
RALINK_PCI0_CLASS = 0x06040001;
printk("PCIE0 enabled\n");
}
//PCIe1
if ((pcie_link_status & 0x2) != 0) {
RALINK_PCI1_BAR0SETUP_ADDR = 0x7FFF0001; //open 7FFF:2G; ENABLE
@ -629,7 +645,6 @@ pcie(2/1/0) link status pcie2_num pcie1_num pcie0_num
RALINK_PCI1_CLASS = 0x06040001;
printk("PCIE1 enabled\n");
}
//PCIe2
if ((pcie_link_status & 0x4) != 0) {
RALINK_PCI2_BAR0SETUP_ADDR = 0x7FFF0001; //open 7FFF:2G; ENABLE
@ -642,6 +657,7 @@ pcie(2/1/0) link status pcie2_num pcie1_num pcie0_num
case 7:
read_config(0, 2, 0, 0x4, &val);
write_config(0, 2, 0, 0x4, val|0x4);
// write_config(0, 1, 0, 0x4, val|0x7);
read_config(0, 2, 0, 0x70c, &val);
val &= ~(0xff)<<8;
val |= 0x50<<8;
@ -651,6 +667,7 @@ pcie(2/1/0) link status pcie2_num pcie1_num pcie0_num
case 6:
read_config(0, 1, 0, 0x4, &val);
write_config(0, 1, 0, 0x4, val|0x4);
// write_config(0, 1, 0, 0x4, val|0x7);
read_config(0, 1, 0, 0x70c, &val);
val &= ~(0xff)<<8;
val |= 0x50<<8;
@ -658,6 +675,7 @@ pcie(2/1/0) link status pcie2_num pcie1_num pcie0_num
default:
read_config(0, 0, 0, 0x4, &val);
write_config(0, 0, 0, 0x4, val|0x4); //bus master enable
// write_config(0, 0, 0, 0x4, val|0x7); //bus master enable
read_config(0, 0, 0, 0x70c, &val);
val &= ~(0xff)<<8;
val |= 0x50<<8;

Write Preview
Loading…
Cancel
Save