diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/ramips/files-4.14/arch/mips/pci/pci-mt7621.c | 318 |
1 files changed, 168 insertions, 150 deletions
diff --git a/target/linux/ramips/files-4.14/arch/mips/pci/pci-mt7621.c b/target/linux/ramips/files-4.14/arch/mips/pci/pci-mt7621.c index edd95013fa..a98752b762 100644 --- a/target/linux/ramips/files-4.14/arch/mips/pci/pci-mt7621.c +++ b/target/linux/ramips/files-4.14/arch/mips/pci/pci-mt7621.c @@ -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; |