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-rw-r--r--src/southbridge/amd/sb600/early_setup.c20
-rw-r--r--src/southbridge/amd/sb600/lpc.c16
-rw-r--r--src/southbridge/amd/sb800/early_setup.c20
-rw-r--r--src/southbridge/amd/sb800/lpc.c16
4 files changed, 28 insertions, 44 deletions
diff --git a/src/southbridge/amd/sb600/early_setup.c b/src/southbridge/amd/sb600/early_setup.c
index 45b29c1d58..838ea319f6 100644
--- a/src/southbridge/amd/sb600/early_setup.c
+++ b/src/southbridge/amd/sb600/early_setup.c
@@ -364,26 +364,8 @@ static void sb600_devices_por_init(void)
dev = pci_locate_device(PCI_ID(0x1002, 0x438D), 0);
/* DMA enable */
pci_write_config8(dev, 0x40, 0x04);
-
- /* IO Port Decode Enable */
- pci_write_config8(dev, 0x44, 0xFF);
- pci_write_config8(dev, 0x45, 0xFF);
- pci_write_config8(dev, 0x46, 0xC3);
- pci_write_config8(dev, 0x47, 0xFF);
-
- // TODO: This has already been done(?)
- /* IO/Mem Port Decode Enable, I don't know why CIM disable some ports.
- * Disable LPC TimeOut counter, enable SuperIO Configuration Port (2e/2f),
- * Alternate SuperIO Configuration Port (4e/4f), Wide Generic IO Port (64/65). */
- byte = pci_read_config8(dev, 0x48);
- byte |= (1 << 1) | (1 << 0); /* enable Super IO config port 2e-2h, 4e-4f */
- byte |= 1 << 6; /* enable for RTC I/O range */
- pci_write_config8(dev, 0x48, byte);
+ /* LPC Sync Timeout */
pci_write_config8(dev, 0x49, 0xFF);
- /* Enable 0x480-0x4bf, 0x4700-0x470B */
- byte = pci_read_config8(dev, 0x4A);
- byte |= ((1 << 1) + (1 << 6)); /*0x42, save the configuraion for port 0x80. */
- pci_write_config8(dev, 0x4A, byte);
/* Enable Tpm12_en and Tpm_legacy. I don't know what is its usage and copied from CIM. */
pci_write_config8(dev, 0x7C, 0x05);
diff --git a/src/southbridge/amd/sb600/lpc.c b/src/southbridge/amd/sb600/lpc.c
index 6a17f72318..6f16ea81c7 100644
--- a/src/southbridge/amd/sb600/lpc.c
+++ b/src/southbridge/amd/sb600/lpc.c
@@ -103,7 +103,8 @@ static void sb600_lpc_enable_childrens_resources(device_t dev)
struct bus *link;
u32 reg, reg_x;
int var_num = 0;
- u16 reg_var[3];
+ u16 reg_var[3] = {0x0, 0x0, 0x0};
+ u8 wiosize = pci_read_config8(dev, 0x74);
reg = pci_read_config32(dev, 0x44);
reg_x = pci_read_config32(dev, 0x48);
@@ -134,13 +135,14 @@ static void sb600_lpc_enable_childrens_resources(device_t dev)
case 0x2f8: /* COM2 */
reg |= (1 << 7);
break;
- case 0x378: /* Parallal 1 */
+ case 0x378: /* Parallel 1 */
reg |= (1 << 0);
+ reg |= (1 << 1); /* + 0x778 for ECP */
break;
case 0x3f0: /* FD0 */
reg |= (1 << 26);
break;
- case 0x220: /* Aduio 0 */
+ case 0x220: /* Audio 0 */
reg |= (1 << 8);
break;
case 0x300: /* Midi 0 */
@@ -170,12 +172,19 @@ static void sb600_lpc_enable_childrens_resources(device_t dev)
switch (var_num) {
case 0:
reg_x |= (1 << 2);
+ if ((end - base) < 16)
+ wiosize |= (1 << 0);
break;
case 1:
reg_x |= (1 << 24);
+ if ((end - base) < 16)
+ wiosize |= (1 << 2);
break;
case 2:
reg_x |= (1 << 25);
+ reg_x |= (1 << 24);
+ if ((end - base) < 16)
+ wiosize |= (1 << 3);
break;
}
reg_var[var_num++] =
@@ -197,6 +206,7 @@ static void sb600_lpc_enable_childrens_resources(device_t dev)
pci_write_config16(dev, 0x64, reg_var[0]);
break;
}
+ pci_write_config8(dev, 0x74, wiosize);
}
static void sb600_lpc_enable_resources(device_t dev)
diff --git a/src/southbridge/amd/sb800/early_setup.c b/src/southbridge/amd/sb800/early_setup.c
index 6a7ea6c9eb..50f4ff70cd 100644
--- a/src/southbridge/amd/sb800/early_setup.c
+++ b/src/southbridge/amd/sb800/early_setup.c
@@ -450,26 +450,8 @@ static void sb800_devices_por_init(void)
/* DMA enable */
pci_write_config8(dev, 0x40, 0x04);
- /* IO Port Decode Enable */
- pci_write_config8(dev, 0x44, 0xFF);
- pci_write_config8(dev, 0x45, 0xFF);
- pci_write_config8(dev, 0x46, 0xC3);
- pci_write_config8(dev, 0x47, 0xFF);
-
- /* IO/Mem Port Decode Enable, I don't know why CIM disable some ports.
- * Disable LPC TimeOut counter, enable SuperIO Configuration Port (2e/2f),
- * Alternate SuperIO Configuration Port (4e/4f), Wide Generic IO Port (64/65).
- * Enable bits for LPC ROM memory address range 1&2 for 1M ROM setting.*/
- byte = pci_read_config8(dev, 0x48);
- byte |= (1 << 1) | (1 << 0); /* enable Super IO config port 2e-2h, 4e-4f */
- byte |= (1 << 3) | (1 << 4); /* enable for LPC ROM address range1&2, Enable 512KB rom access at 0xFFF80000 - 0xFFFFFFFF */
- byte |= 1 << 6; /* enable for RTC I/O range */
- pci_write_config8(dev, 0x48, byte);
+ /* LPC Sync Timeout */
pci_write_config8(dev, 0x49, 0xFF);
- /* Enable 0x480-0x4bf, 0x4700-0x470B */
- byte = pci_read_config8(dev, 0x4A);
- byte |= ((1 << 1) + (1 << 6)); /*0x42, save the configuraion for port 0x80. */
- pci_write_config8(dev, 0x4A, byte);
/* Set LPC ROM size, it has been done in sb800_lpc_init().
* enable LPC ROM range, 0xfff8: 512KB, 0xfff0: 1MB;
diff --git a/src/southbridge/amd/sb800/lpc.c b/src/southbridge/amd/sb800/lpc.c
index 50ff4d4cec..6b72a62327 100644
--- a/src/southbridge/amd/sb800/lpc.c
+++ b/src/southbridge/amd/sb800/lpc.c
@@ -122,7 +122,8 @@ static void sb800_lpc_enable_childrens_resources(device_t dev)
struct bus *link;
u32 reg, reg_x;
int var_num = 0;
- u16 reg_var[3];
+ u16 reg_var[3] = {0x0, 0x0, 0x0};
+ u8 wiosize = pci_read_config8(dev, 0x74);
reg = pci_read_config32(dev, 0x44);
reg_x = pci_read_config32(dev, 0x48);
@@ -153,13 +154,14 @@ static void sb800_lpc_enable_childrens_resources(device_t dev)
case 0x2f8: /* COM2 */
reg |= (1 << 7);
break;
- case 0x378: /* Parallal 1 */
+ case 0x378: /* Parallel 1 */
reg |= (1 << 0);
+ reg |= (1 << 1); /* + 0x778 for ECP */
break;
case 0x3f0: /* FD0 */
reg |= (1 << 26);
break;
- case 0x220: /* Aduio 0 */
+ case 0x220: /* Audio 0 */
reg |= (1 << 8);
break;
case 0x300: /* Midi 0 */
@@ -189,12 +191,19 @@ static void sb800_lpc_enable_childrens_resources(device_t dev)
switch (var_num) {
case 0:
reg_x |= (1 << 2);
+ if ((end - base) < 16)
+ wiosize |= (1 << 0);
break;
case 1:
reg_x |= (1 << 24);
+ if ((end - base) < 16)
+ wiosize |= (1 << 2);
break;
case 2:
reg_x |= (1 << 25);
+ reg_x |= (1 << 24);
+ if ((end - base) < 16)
+ wiosize |= (1 << 3);
break;
}
reg_var[var_num++] =
@@ -216,6 +225,7 @@ static void sb800_lpc_enable_childrens_resources(device_t dev)
pci_write_config16(dev, 0x64, reg_var[0]);
break;
}
+ pci_write_config8(dev, 0x74, wiosize);
}
static void sb800_lpc_enable_resources(device_t dev)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-29 09:39:13 +0000