From faafd14fe0d18de1f71491f4503f36a4f9d9a188 Mon Sep 17 00:00:00 2001 From: Kerry She Date: Sat, 7 May 2011 08:51:32 +0000 Subject: [PATCH] RS780 DDI Lanes configure support, and remove RS780 get_cpu_rev(). Signed-off-by: Kerry She Acked-by: Marc Jones git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6560 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/southbridge/amd/rs780/chip.h | 2 + src/southbridge/amd/rs780/early_setup.c | 35 +---- src/southbridge/amd/rs780/gfx.c | 183 +++++++++++++++++++++++- 3 files changed, 190 insertions(+), 30 deletions(-) diff --git a/src/southbridge/amd/rs780/chip.h b/src/southbridge/amd/rs780/chip.h index 87053f24a9..4a10ae0f8a 100644 --- a/src/southbridge/amd/rs780/chip.h +++ b/src/southbridge/amd/rs780/chip.h @@ -33,6 +33,8 @@ struct southbridge_amd_rs780_config u8 gfx_compliance; /* whether support compliance? */ u8 gfx_reconfiguration; /* Dynamic Lind Width Control */ u8 gfx_link_width; /* Desired width of lane 2 */ + u8 gfx_pcie_config; /* GFX PCIE Modes */ + u8 gfx_ddi_config; /* GFX DDI Modes */ }; struct chip_operations; extern struct chip_operations southbridge_amd_rs780_ops; diff --git a/src/southbridge/amd/rs780/early_setup.c b/src/southbridge/amd/rs780/early_setup.c index b9d9a3104e..8adf1f6a75 100644 --- a/src/southbridge/amd/rs780/early_setup.c +++ b/src/southbridge/amd/rs780/early_setup.c @@ -142,32 +142,6 @@ static void set_nbmc_enable_bits(device_t nb_dev, u32 reg_pos, u32 mask, } } -static void get_cpu_rev(void) -{ - u32 eax; - - eax = cpuid_eax(1); - printk(BIOS_INFO, "get_cpu_rev EAX=0x%x.\n", eax); - if (eax <= 0xfff) - printk(BIOS_INFO, "CPU Rev is K8_Cx.\n"); - else if (eax <= 0x10fff) - printk(BIOS_INFO, "CPU Rev is K8_Dx.\n"); - else if (eax <= 0x20fff) - printk(BIOS_INFO, "CPU Rev is K8_Ex.\n"); - else if (eax <= 0x40fff) - printk(BIOS_INFO, "CPU Rev is K8_Fx.\n"); - else if (eax == 0x60fb1 || eax == 0x60f81) /*These two IDS are exception, they are G1. */ - printk(BIOS_INFO, "CPU Rev is K8_G1.\n"); - else if (eax <= 0X60FF0) - printk(BIOS_INFO, "CPU Rev is K8_G0.\n"); - else if (eax <= 0x100000) - printk(BIOS_INFO, "CPU Rev is K8_G1.\n"); - else if (eax <= 0x100f00) - printk(BIOS_INFO, "CPU Rev is Fam 10.\n"); - else - printk(BIOS_INFO, "CPU Rev is K8_10.\n"); -} - static u8 is_famly10(void) { return (cpuid_eax(1) & 0xff00000) != 0; @@ -630,6 +604,13 @@ static void rs780_por_init(device_t nb_dev) /* ATINB_CLKCFG_PORT_TABLE */ /* rs780 A11 SB Link full swing? */ + + /* SET NB_MISC_REG01 BIT8 to Enable HDMI, reference CIMX_5_9_3 NBPOR_InitPOR(), + * then the accesses to internal graphics IO space 0x60/0x64, are forwarded to + * nbconfig:0x60/0x64 + */ + + set_nbmisc_enable_bits(nb_dev, 0x01, ~(1 << 8), (1 << 8)); } /* enable CFG access to Dev8, which is the SB P2P Bridge */ @@ -647,8 +628,6 @@ static void rs780_early_setup(void) device_t nb_dev = PCI_DEV(0, 0, 0); printk(BIOS_INFO, "rs780_early_setup()\n"); - get_cpu_rev(); - /* The printk(BIOS_INFO, s) below cause the system unstable. */ switch (get_nb_rev(nb_dev)) { case REV_RS780_A11: diff --git a/src/southbridge/amd/rs780/gfx.c b/src/southbridge/amd/rs780/gfx.c index 973e9c017f..9262bb9437 100644 --- a/src/southbridge/amd/rs780/gfx.c +++ b/src/southbridge/amd/rs780/gfx.c @@ -303,6 +303,43 @@ static void ProgramMMIO(MMIORANGE *pMMIO, u8 LinkID, u8 Attribute) } #endif +#define GFX_CONFIG_DDI1 0x04 +#define GFX_CONFIG_DDI2 0x08 +#define GFX_CONFIG_DDI (GFX_CONFIG_DDI1 | GFX_CONFIG_DDI2) + +/** + * Force poweron pads for lanes used for DDI + * reference CIMx PCIEL_PowerOnDDILanes() + * + * Inactive B_PRX_PDNB_FDIS B_PTX_PDNB_FDIS + * Lanes + * Lanes 0-1 Bit 8 Bit 0 + * Lanes 2-3 Bit 9 Bit 1 + * Lanes 4-5 Bit 10 Bit 2 + * Lanes 6-7 Bit 11 Bit 3 + * Lanes 8-9 Bit 12 Bit 4 + * Lanes 10-11 Bit 13 Bit 5 + * Lanes 12-13 Bit 14 Bit 6 + * Lanes 14-15 Bit 15 Bit 7 + */ +static void poweron_ddi_lanes(device_t nb_dev) +{ + u8 i; + u32 gfx_cfg = 0; + u32 ddi_pads = 0; + + ddi_pads = ~(nbpcie_ind_read_index(nb_dev, 0x65)); /* save original setting */ + gfx_cfg = nbmisc_read_index(nb_dev, 0x74); + for (i = 0; i < 3 ; i++) { + if (gfx_cfg & GFX_CONFIG_DDI) { + ddi_pads |= (3 << (i * 2)); + } + gfx_cfg >>= 8; + } + ddi_pads |= ddi_pads << 8; /* both TX and RX */ + nbpcie_ind_write_index(nb_dev, 0x65, ~ddi_pads); +} + static void internal_gfx_pci_dev_init(struct device *dev) { unsigned char * bpointer; @@ -535,6 +572,9 @@ static void internal_gfx_pci_dev_init(struct device *dev) } } + /* Poweron DDI Lanes */ + poweron_ddi_lanes(nb_dev); + /* Transfer the Table to VBIOS. */ pointer = (u32 *)&vgainfo; for(i=0; igfx_tmds) { + /** + * PCIe Initialization for DDI. + * The VBIOS/Driver is responsible for DDI programming sequence, + * The SBIOS is responsible for programming the lane and clock muxing specific to each case. + * Refer to RPR Chapter 7: "PCIe Initialization for DDI". + * Note: This programming must be done before hold training is released. + */ + switch (cfg->gfx_pcie_config) { + case 1: /* 1x16 GFX -default case, no programming required */ + break; + case 2: /* 1x8 GFX on Lanes 0-7 */ + case 5: /* 1x4 GPP on Lanes 0-3 */ + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 6, 0x1 << 6); /* Disables PCIe mode on PHY Lanes 8-11 */ + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 7, 0x1 << 7); /* Disables PCIe mode on PHY Lanes 12-15 */ + break; + case 3: /* 1x8 on Lanes 8-15 */ + case 7: /* 1x4 GPP on Lanes 8-11 */ + /* TXCLK */ + set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 1 << 16); + set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0xF << 12); + set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 24, 0x2 << 24); + set_nbmisc_enable_bits(nb_dev, 0x28, 0x3 << 0, 0x0 << 0); + /* RXCLK */ + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x2 << 8); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x2 << 10); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x2 << 12); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x2 << 14); + /* TX Lane Muxing */ + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 2, 0x1 << 2); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 3, 0x1 << 3); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 4, 0x1 << 4); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 5, 0x1 << 5); + break; + case 4: /* 2x8 */ + case 10: /* 1x4 GPP on Lanes 0-3 and 1x4 GPP on Lanes 8-11 */ + case 14: /* 1x8 GFX on Lanes 0-7 and 1x4 GPP on Lanes 8-11 */ + case 17: /* 1x4 GPP on Lanes 0-3 and 1x8 GFX on Lanes 8-15 */ + /* Set dual slot configuration */ + set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); + break; + case 9: /* PCIe 2x4 GPPs on Lanes 0-7 */ + case 6: /* PCIe 1x4 GPP on Lanes 4-7 */ + /* Set dual slot configuration */ + set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); + /* TXCLK */ + set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 0 << 16); + set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0x0 << 12); + set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 20, 0x0 << 20); + set_nbmisc_enable_bits(nb_dev, 0x28, 0x1 << 0, 0x0 << 0); + /* RXCLK */ + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x0 << 8); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x1 << 10); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x3 << 12); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x0 << 14); + /* TX Lane Muxing */ + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 1, 0x1 << 1); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 6, 0x1 << 6); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 7, 0x1 << 7); + break; + case 13: /* 2x4 GPPs on Lanes 8-15 */ + case 8: /* 1x4 GPP on Lanes 12-15 */ + /* Set dual slot configuration */ + set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); + /* TXCLK */ + set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 1 << 16); + set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0xF << 12); + set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 24, 0x2 << 24); + set_nbmisc_enable_bits(nb_dev, 0x28, 0x3 << 0, 0x3 << 0); + /* RXCLK */ + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x2 << 8); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x3 << 10); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x1 << 12); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x2 << 14); + /* TX Lane Muxing */ + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 2, 0x1 << 2); + set_nbmisc_enable_bits(nb_dev, 0x28, 0x1 << 14, 0x1 << 14); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 4, 0x1 << 4); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 5, 0x1 << 5); + break; + case 15: /* 1x8 GFX on Lanes 0-7 and 1x4 GPP on Lanes 12-15 */ + case 11: /* 1x4 GPP on Lanes 0-3 and 1x4 GPP on Lanes 12-15 */ + /* Set dual slot configuration */ + set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); + /* TXCLK */ + set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 0 << 16); + set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0x0 << 12); + set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 20, 0x0 << 20); + set_nbmisc_enable_bits(nb_dev, 0x28, 0x3 << 0, 0x1 << 0); + /* RXCLK */ + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x0 << 8); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x0 << 10); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x1 << 12); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x3 << 14); + /* TX Lane Muxing */ + set_nbmisc_enable_bits(nb_dev, 0x28, 0x1 << 14, 0x1 << 14); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 6, 0x1 << 6); + break; + case 16: /* 1x8 GFX on Lanes 8-15 and 1x4 GPP on Lanes 4-7 */ + case 12: /* 1x4 GPP on Lanes 4-7 and 1x8 GFX on Lanes 8-15 */ + /* Set dual slot configuration */ + set_nbmisc_enable_bits(nb_dev, 0x08, 0xF << 8, 0x5 << 8); + /* TXCLK */ + set_nbmisc_enable_bits(nb_dev, 0x07, 1 << 16, 1 << 16); + set_nbmisc_enable_bits(nb_dev, 0x07, 0xF << 12, 0xF << 12); + set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 24, 0x2 << 24); + set_nbmisc_enable_bits(nb_dev, 0x07, 0x3 << 22, 0x2 << 22); + set_nbmisc_enable_bits(nb_dev, 0x28, 0x3 << 0, 0x2 << 0); + /* RXCLK */ + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 8, 0x2 << 8); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 10, 0x2 << 10); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 12, 0x3 << 12); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x3 << 14, 0x1 << 14); + /* TX Lane Muxing */ + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 2, 0x1 << 2); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 3, 0x1 << 3); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 1, 0x1 << 1); + set_nbmisc_enable_bits(nb_dev, 0x27, 0x1 << 4, 0x1 << 4); + break; + default: + printk(BIOS_INFO, "Incorrect configuration of external GFX slot.\n"); + break; + } + + /* DDI Configuration */ + switch (cfg->gfx_ddi_config) { + case 1: /* DDI_SL lanes0-3 */ + nbmisc_write_index(nb_dev, 0x74, GFX_CONFIG_DDI); + break; + case 2: /* DDI_SL lanes4-7 */ + nbmisc_write_index(nb_dev, 0x74, (GFX_CONFIG_DDI << 8)); + break; + case 5: /* DDI_SL lanes0-4, lanes4-7 */ + nbmisc_write_index(nb_dev, 0x74, (GFX_CONFIG_DDI << 8) | GFX_CONFIG_DDI); + break; + case 6: /* DDI_DL lanes0-7 */ + nbmisc_write_index(nb_dev, 0x74, (GFX_CONFIG_DDI << 8) | GFX_CONFIG_DDI); + break; + default: + printk(BIOS_INFO, "Incorrect configuration of external GFX slot.\n"); + break; + } } #if 1 /* external clock mode */ @@ -1123,8 +1304,6 @@ void rs780_gfx_init(device_t nb_dev, device_t dev, u32 port) /* 5.9.1.3 Selects the GFX REFCLK to be the source for PLL A. */ /* 5.9.1.4 Selects the GFX REFCLK to be the source for PLL B. */ /* 5.9.1.5 Selects the GFX REFCLK to be the source for PLL C. */ - set_nbmisc_enable_bits(nb_dev, 0x28, 3 << 6 | 3 << 8 | 3 << 10, - 1 << 6 | 1 << 8 | 1 << 10); reg32 = nbmisc_read_index(nb_dev, 0x28); printk(BIOS_DEBUG, "misc 28 = %x\n", reg32);