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Diffstat (limited to 'src/southbridge/nvidia/mcp55/early_setup_car.c')
-rw-r--r--src/southbridge/nvidia/mcp55/early_setup_car.c215
1 files changed, 110 insertions, 105 deletions
diff --git a/src/southbridge/nvidia/mcp55/early_setup_car.c b/src/southbridge/nvidia/mcp55/early_setup_car.c
index bf778a93fa..6dcf6b352a 100644
--- a/src/southbridge/nvidia/mcp55/early_setup_car.c
+++ b/src/southbridge/nvidia/mcp55/early_setup_car.c
@@ -19,30 +19,29 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-
#ifdef UNUSED_CODE
-int set_ht_link_buffer_counts_chain(uint8_t ht_c_num, unsigned vendorid, unsigned val);
+int set_ht_link_buffer_counts_chain(u8 ht_c_num, unsigned vendorid, unsigned val);
-static int set_ht_link_mcp55(uint8_t ht_c_num)
+static int set_ht_link_mcp55(u8 ht_c_num)
{
unsigned vendorid = 0x10de;
unsigned val = 0x01610109;
- /* Nvidia mcp55 hardcode, hw can not set it automatically */
+ /* NVIDIA MCP55 hardcode, hardware can not set it automatically. */
return set_ht_link_buffer_counts_chain(ht_c_num, vendorid, val);
}
-static void setup_ss_table(unsigned index, unsigned where, unsigned control, const unsigned int *register_values, int max)
+static void setup_ss_table(unsigned index, unsigned where, unsigned control,
+ const unsigned int *register_values, int max)
{
int i;
-
unsigned val;
val = inl(control);
val &= 0xfffffffe;
outl(val, control);
- outl(0, index); //index
- for(i = 0; i < max; i++) {
+ outl(0, index); /* Index */
+ for (i = 0; i < max; i++) {
unsigned long reg;
reg = register_values[i];
outl(reg, where);
@@ -51,7 +50,6 @@ static void setup_ss_table(unsigned index, unsigned where, unsigned control, con
val = inl(control);
val |= 1;
outl(val, control);
-
}
#endif
@@ -68,17 +66,18 @@ static void setup_ss_table(unsigned index, unsigned where, unsigned control, con
#define ACPICTRL_REG_POS 0x60
/*
- 16 1 1 1 1 8 :0
- 16 0 4 0 0 8 :1
- 16 0 4 2 2 4 :2
- 4 4 4 4 4 8 :3
- 8 8 4 0 0 8 :4
- 8 0 4 4 4 8 :5
+ * 16 1 1 1 1 8 :0
+ * 16 0 4 0 0 8 :1
+ * 16 0 4 2 2 4 :2
+ * 4 4 4 4 4 8 :3
+ * 8 8 4 0 0 8 :4
+ * 8 0 4 4 4 8 :5
*/
-#define MCP55_CHIP_REV 3
+#define MCP55_CHIP_REV 3
-static void mcp55_early_set_port(unsigned mcp55_num, unsigned *busn, unsigned *devn, unsigned *io_base)
+static void mcp55_early_set_port(unsigned mcp55_num, unsigned *busn,
+ unsigned *devn, unsigned *io_base)
{
static const unsigned int ctrl_devport_conf[] = {
@@ -88,16 +87,16 @@ static void mcp55_early_set_port(unsigned mcp55_num, unsigned *busn, unsigned *d
};
int j;
- for(j = 0; j < mcp55_num; j++ ) {
+ for (j = 0; j < mcp55_num; j++ ) {
setup_resource_map_offset(ctrl_devport_conf,
ARRAY_SIZE(ctrl_devport_conf),
PCI_DEV(busn[j], devn[j], 0) , io_base[j]);
}
}
-static void mcp55_early_clear_port(unsigned mcp55_num, unsigned *busn, unsigned *devn, unsigned *io_base)
+static void mcp55_early_clear_port(unsigned mcp55_num, unsigned *busn,
+ unsigned *devn, unsigned *io_base)
{
-
static const unsigned int ctrl_devport_conf_clear[] = {
PCI_ADDR(0, 1, 1, ANACTRL_REG_POS), ~(0x0000ff00), 0,
PCI_ADDR(0, 1, 1, SYSCTRL_REG_POS), ~(0x0000ff00), 0,
@@ -105,58 +104,56 @@ static void mcp55_early_clear_port(unsigned mcp55_num, unsigned *busn, unsigned
};
int j;
- for(j = 0; j < mcp55_num; j++ ) {
+ for (j = 0; j < mcp55_num; j++ ) {
setup_resource_map_offset(ctrl_devport_conf_clear,
ARRAY_SIZE(ctrl_devport_conf_clear),
PCI_DEV(busn[j], devn[j], 0) , io_base[j]);
}
-
-
}
-static void mcp55_early_pcie_setup(unsigned busnx, unsigned devnx, unsigned anactrl_io_base, unsigned pci_e_x)
+static void mcp55_early_pcie_setup(unsigned busnx, unsigned devnx,
+ unsigned anactrl_io_base, unsigned pci_e_x)
{
- uint32_t tgio_ctrl;
- uint32_t pll_ctrl;
- uint32_t dword;
+ u32 tgio_ctrl, pll_ctrl, dword;
int i;
device_t dev;
- dev = PCI_DEV(busnx, devnx+1, 1);
+
+ dev = PCI_DEV(busnx, devnx + 1, 1);
+
dword = pci_read_config32(dev, 0xe4);
- dword |= 0x3f0; // disable it at first
+ dword |= 0x3f0; /* Disable it at first. */
pci_write_config32(dev, 0xe4, dword);
- for(i=0; i<3; i++) {
+ for (i = 0; i < 3; i++) {
tgio_ctrl = inl(anactrl_io_base + 0xcc);
- tgio_ctrl &= ~(3<<9);
- tgio_ctrl |= (i<<9);
+ tgio_ctrl &= ~(3 << 9);
+ tgio_ctrl |= (i << 9);
outl(tgio_ctrl, anactrl_io_base + 0xcc);
pll_ctrl = inl(anactrl_io_base + 0x30);
- pll_ctrl |= (1<<31);
+ pll_ctrl |= (1 << 31);
outl(pll_ctrl, anactrl_io_base + 0x30);
do {
pll_ctrl = inl(anactrl_io_base + 0x30);
} while (!(pll_ctrl & 1));
}
tgio_ctrl = inl(anactrl_io_base + 0xcc);
- tgio_ctrl &= ~((7<<4)|(1<<8));
- tgio_ctrl |= (pci_e_x<<4)|(1<<8);
+ tgio_ctrl &= ~((7 << 4) | (1 << 8));
+ tgio_ctrl |= (pci_e_x << 4) | (1 << 8);
outl(tgio_ctrl, anactrl_io_base + 0xcc);
- // wait 100us
- udelay(100);
+ udelay(100); /* Wait 100us. */
dword = pci_read_config32(dev, 0xe4);
- dword &= ~(0x3f0); // enable
+ dword &= ~(0x3f0); /* Enable. */
pci_write_config32(dev, 0xe4, dword);
- // need to wait 100ms
- mdelay(100);
+ mdelay(100); /* Need to wait 100ms. */
}
-static void mcp55_early_setup(unsigned mcp55_num, unsigned *busn, unsigned *devn, unsigned *io_base, unsigned *pci_e_x)
+static void mcp55_early_setup(unsigned mcp55_num, unsigned *busn,
+ unsigned *devn, unsigned *io_base,
+ unsigned *pci_e_x)
{
-
static const unsigned int ctrl_conf_1[] = {
RES_PORT_IO_32, ACPICTRL_IO_BASE + 0x10, 0x0007ffff, 0xff78000,
RES_PORT_IO_32, ACPICTRL_IO_BASE + 0xa4, 0xffedffff, 0x0012000,
@@ -199,11 +196,11 @@ static void mcp55_early_setup(unsigned mcp55_num, unsigned *busn, unsigned *devn
RES_PCI_IO, PCI_ADDR(0, 8, 0, 0x40), 0x00000000, 0xCB8410DE,
RES_PCI_IO, PCI_ADDR(0, 8, 0, 0x68), 0xFFFFFF00, 0x000000FF,
- RES_PCI_IO, PCI_ADDR(0, 8, 0, 0xF8), 0xFFFFFFBF, 0x00000040,//Enable bridge mode
+ RES_PCI_IO, PCI_ADDR(0, 8, 0, 0xF8), 0xFFFFFFBF, 0x00000040, /* Enable bridge mode. */
RES_PCI_IO, PCI_ADDR(0, 9, 0, 0x40), 0x00000000, 0xCB8410DE,
RES_PCI_IO, PCI_ADDR(0, 9, 0, 0x68), 0xFFFFFF00, 0x000000FF,
- RES_PCI_IO, PCI_ADDR(0, 9, 0, 0xF8), 0xFFFFFFBF, 0x00000040,//Enable bridge mode
+ RES_PCI_IO, PCI_ADDR(0, 9, 0, 0xF8), 0xFFFFFFBF, 0x00000040, /* Enable bridge mode. */
};
static const unsigned int ctrl_conf_1_1[] = {
@@ -218,7 +215,6 @@ static void mcp55_early_setup(unsigned mcp55_num, unsigned *busn, unsigned *devn
RES_PCI_IO, PCI_ADDR(0, 5, 0, 0xE0), 0xF0FFFFFF, 0x03000000,
};
-
static const unsigned int ctrl_conf_mcp55_only[] = {
RES_PCI_IO, PCI_ADDR(0, 1, 1, 0x40), 0x00000000, 0xCB8410DE,
RES_PCI_IO, PCI_ADDR(0, 1, 1, 0xE0), 0xFFFFFEFF, 0x00000000,
@@ -251,33 +247,30 @@ static void mcp55_early_setup(unsigned mcp55_num, unsigned *busn, unsigned *devn
#if CONFIG_MCP55_USE_AZA
RES_PCI_IO, PCI_ADDR(0, 6, 1, 0x40), 0x00000000, 0xCB8410DE,
-// RES_PCI_IO, PCI_ADDR(0, 1, 1, 0xE4), ~(1<<14), 1<<14,
+ // RES_PCI_IO, PCI_ADDR(0, 1, 1, 0xE4), ~(1 << 14), (1 << 14),
#endif
-// play a while with GPIO in MCP55
+
#ifdef MCP55_MB_SETUP
+ /* Play a while with GPIO in MCP55. */
MCP55_MB_SETUP
#endif
#if CONFIG_MCP55_USE_AZA
- RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 21, ~(3<<2), (2<<2),
- RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 22, ~(3<<2), (2<<2),
- RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 46, ~(3<<2), (2<<2),
+ RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 21, ~(3 << 2), (2 << 2),
+ RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 22, ~(3 << 2), (2 << 2),
+ RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 46, ~(3 << 2), (2 << 2),
#endif
-
-
};
static const unsigned int ctrl_conf_master_only[] = {
-
RES_PORT_IO_32, ACPICTRL_IO_BASE + 0x80, 0xEFFFFFF, 0x01000000,
- //Master MCP55 ????YHLU
- RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 0, ~(3<<2), (0<<2),
-
+ /* Master MCP55???? YHLU */
+ RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 0, ~(3 << 2), (0 << 2),
};
static const unsigned int ctrl_conf_2[] = {
- /* I didn't put pcie related stuff here */
+ /* I didn't put PCI-E related stuff here. */
RES_PCI_IO, PCI_ADDR(0, 0, 0, 0x74), 0xFFFFF00F, 0x000009D0,
RES_PCI_IO, PCI_ADDR(0, 1, 0, 0x74), 0xFFFF7FFF, 0x00008000,
@@ -286,117 +279,129 @@ static void mcp55_early_setup(unsigned mcp55_num, unsigned *busn, unsigned *devn
RES_PORT_IO_32, ANACTRL_IO_BASE + 0x60, 0xFFFFFF00, 0x00000012,
-
#if CONFIG_MCP55_USE_NIC
- RES_PCI_IO, PCI_ADDR(0, 1, 1, 0xe4), ~((1<<22)|(1<<20)), (1<<22)|(1<<20),
+ RES_PCI_IO, PCI_ADDR(0, 1, 1, 0xe4), ~((1 << 22) | (1 << 20)), (1 << 22) | (1 << 20),
- RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 4, ~(0xff), ((0<<4)|(1<<2)|(0<<0)),
- RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 4, ~(0xff), ((0<<4)|(1<<2)|(1<<0)),
+ RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 4, ~(0xff), ((0 << 4) | (1 << 2) | (0 << 0)),
+ RES_PORT_IO_8, SYSCTRL_IO_BASE + 0xc0+ 4, ~(0xff), ((0 << 4) | (1 << 2) | (1 << 0)),
#endif
-
};
-
int j, i;
- for(j=0; j<mcp55_num; j++) {
- mcp55_early_pcie_setup(busn[j], devn[j], io_base[j] + ANACTRL_IO_BASE, pci_e_x[j]);
+ for (j = 0; j < mcp55_num; j++) {
+ mcp55_early_pcie_setup(busn[j], devn[j],
+ io_base[j] + ANACTRL_IO_BASE, pci_e_x[j]);
- setup_resource_map_x_offset(ctrl_conf_1, ARRAY_SIZE(ctrl_conf_1),
+ setup_resource_map_x_offset(ctrl_conf_1,
+ ARRAY_SIZE(ctrl_conf_1),
PCI_DEV(busn[j], devn[j], 0), io_base[j]);
- for(i=0; i<3; i++) { // three SATA
- setup_resource_map_x_offset(ctrl_conf_1_1, ARRAY_SIZE(ctrl_conf_1_1),
+
+ for (i = 0; i < 3; i++) { /* Three SATA */
+ setup_resource_map_x_offset(ctrl_conf_1_1,
+ ARRAY_SIZE(ctrl_conf_1_1),
PCI_DEV(busn[j], devn[j], i), io_base[j]);
}
- if(busn[j] == 0) {
- setup_resource_map_x_offset(ctrl_conf_mcp55_only, ARRAY_SIZE(ctrl_conf_mcp55_only),
+
+ if (busn[j] == 0) {
+ setup_resource_map_x_offset(ctrl_conf_mcp55_only,
+ ARRAY_SIZE(ctrl_conf_mcp55_only),
PCI_DEV(busn[j], devn[j], 0), io_base[j]);
}
- if( (busn[j] == 0) && (mcp55_num>1) ) {
- setup_resource_map_x_offset(ctrl_conf_master_only, ARRAY_SIZE(ctrl_conf_master_only),
+ if ((busn[j] == 0) && (mcp55_num>1)) {
+ setup_resource_map_x_offset(ctrl_conf_master_only,
+ ARRAY_SIZE(ctrl_conf_master_only),
PCI_DEV(busn[j], devn[j], 0), io_base[j]);
}
- setup_resource_map_x_offset(ctrl_conf_2, ARRAY_SIZE(ctrl_conf_2),
+ setup_resource_map_x_offset(ctrl_conf_2,
+ ARRAY_SIZE(ctrl_conf_2),
PCI_DEV(busn[j], devn[j], 0), io_base[j]);
-
}
#if 0
- for(j=0; j< mcp55_num; j++) {
+ for (j = 0; j < mcp55_num; j++) {
// PCI-E (XSPLL) SS table 0x40, x044, 0x48
// SATA (SPPLL) SS table 0xb0, 0xb4, 0xb8
// CPU (PPLL) SS table 0xc0, 0xc4, 0xc8
- setup_ss_table(io_base[j] + ANACTRL_IO_BASE+0x40, io_base[j] + ANACTRL_IO_BASE+0x44,
- io_base[j] + ANACTRL_IO_BASE+0x48, pcie_ss_tbl, 64);
- setup_ss_table(io_base[j] + ANACTRL_IO_BASE+0xb0, io_base[j] + ANACTRL_IO_BASE+0xb4,
- io_base[j] + ANACTRL_IO_BASE+0xb8, sata_ss_tbl, 64);
- setup_ss_table(io_base[j] + ANACTRL_IO_BASE+0xc0, io_base[j] + ANACTRL_IO_BASE+0xc4,
- io_base[j] + ANACTRL_IO_BASE+0xc8, cpu_ss_tbl, 64);
+ setup_ss_table(io_base[j] + ANACTRL_IO_BASE + 0x40,
+ io_base[j] + ANACTRL_IO_BASE + 0x44,
+ io_base[j] + ANACTRL_IO_BASE + 0x48, pcie_ss_tbl, 64);
+ setup_ss_table(io_base[j] + ANACTRL_IO_BASE + 0xb0,
+ io_base[j] + ANACTRL_IO_BASE + 0xb4,
+ io_base[j] + ANACTRL_IO_BASE + 0xb8, sata_ss_tbl, 64);
+ setup_ss_table(io_base[j] + ANACTRL_IO_BASE + 0xc0,
+ io_base[j] + ANACTRL_IO_BASE + 0xc4,
+ io_base[j] + ANACTRL_IO_BASE + 0xc8, cpu_ss_tbl, 64);
}
#endif
-
}
#ifndef HT_CHAIN_NUM_MAX
#define HT_CHAIN_NUM_MAX 4
-#define HT_CHAIN_BUSN_D 0x40
+#define HT_CHAIN_BUSN_D 0x40
#define HT_CHAIN_IOBASE_D 0x4000
#endif
static int mcp55_early_setup_x(void)
{
- /*find out how many mcp55 we have */
+ /* Find out how many MCP55 we have. */
unsigned busn[HT_CHAIN_NUM_MAX] = {0};
unsigned devn[HT_CHAIN_NUM_MAX] = {0};
unsigned io_base[HT_CHAIN_NUM_MAX] = {0};
+
/*
- FIXME: May have problem if there is different MCP55 HTX card with different PCI_E lane allocation
- Need to use same trick about pci1234 to verify node/link connection
- */
- unsigned pci_e_x[HT_CHAIN_NUM_MAX] = {CONFIG_MCP55_PCI_E_X_0, CONFIG_MCP55_PCI_E_X_1, CONFIG_MCP55_PCI_E_X_2, CONFIG_MCP55_PCI_E_X_3 };
- int mcp55_num = 0;
- unsigned busnx;
- unsigned devnx;
- int ht_c_index;
+ * FIXME: May have problem if there is different MCP55 HTX card with
+ * different PCI_E lane allocation. Need to use same trick about
+ * pci1234 to verify node/link connection.
+ */
+ unsigned pci_e_x[HT_CHAIN_NUM_MAX] = {
+ CONFIG_MCP55_PCI_E_X_0, CONFIG_MCP55_PCI_E_X_1,
+ CONFIG_MCP55_PCI_E_X_2, CONFIG_MCP55_PCI_E_X_3,
+ };
+ int mcp55_num = 0, ht_c_index;
+ unsigned busnx, devnx;
- /* FIXME: multi pci segment handling */
+ /* FIXME: Multi PCI segment handling. */
/* Any system that only have IO55 without MCP55? */
- for(ht_c_index = 0; ht_c_index<HT_CHAIN_NUM_MAX; ht_c_index++) {
+ for (ht_c_index = 0; ht_c_index < HT_CHAIN_NUM_MAX; ht_c_index++) {
busnx = ht_c_index * HT_CHAIN_BUSN_D;
- for(devnx=0;devnx<0x20;devnx++) {
- uint32_t id;
+ for (devnx = 0; devnx < 0x20; devnx++) {
+ u32 id;
device_t dev;
dev = PCI_DEV(busnx, devnx, 0);
id = pci_read_config32(dev, PCI_VENDOR_ID);
if(id == 0x036910de) {
busn[mcp55_num] = busnx;
devn[mcp55_num] = devnx;
- io_base[mcp55_num] = ht_c_index * HT_CHAIN_IOBASE_D; // we may have ht chain other than MCP55
+
+ /* We may have HT chain other than MCP55. */
+ io_base[mcp55_num]
+ = ht_c_index * HT_CHAIN_IOBASE_D;
+
mcp55_num++;
- if(mcp55_num == CONFIG_MCP55_NUM) goto out;
- break; // only one MCP55 on one chain
+ if (mcp55_num == CONFIG_MCP55_NUM)
+ goto out;
+ break; /* Only one MCP55 on one chain. */
}
}
}
out:
- print_debug("mcp55_num:"); print_debug_hex8(mcp55_num); print_debug("\n");
+ print_debug("mcp55_num:");
+ print_debug_hex8(mcp55_num);
+ print_debug("\n");
mcp55_early_set_port(mcp55_num, busn, devn, io_base);
mcp55_early_setup(mcp55_num, busn, devn, io_base, pci_e_x);
mcp55_early_clear_port(mcp55_num, busn, devn, io_base);
-// set_ht_link_mcp55(HT_CHAIN_NUM_MAX);
+ // set_ht_link_mcp55(HT_CHAIN_NUM_MAX);
return 0;
-
}
-
-
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-16 23:40:20 +0000