Author: stepan Date: Wed Mar 17 18:50:48 2010 New Revision: 5252 URL: https://tracker.coreboot.org/trac/coreboot/changeset/5252
Log: fix HPET on some ICH southbridges
Signed-off-by: Stefan Reinauer stepan@coresystems.de Acked-by: Stefan Reinauer stepan@coresystems.de
Modified: trunk/src/southbridge/intel/i82801ax/i82801ax_lpc.c trunk/src/southbridge/intel/i82801bx/i82801bx_lpc.c trunk/src/southbridge/intel/i82801dx/i82801dx_lpc.c trunk/src/southbridge/intel/i82801ex/i82801ex_lpc.c
Modified: trunk/src/southbridge/intel/i82801ax/i82801ax_lpc.c ============================================================================== --- trunk/src/southbridge/intel/i82801ax/i82801ax_lpc.c Wed Mar 17 05:40:15 2010 (r5251) +++ trunk/src/southbridge/intel/i82801ax/i82801ax_lpc.c Wed Mar 17 18:50:48 2010 (r5252) @@ -272,28 +272,6 @@ } }
-static void enable_hpet(struct device *dev) -{ -#ifdef HPET_PRESENT - uint32_t reg32; - uint32_t code = (0 & 0x3); - - reg32 = pci_read_config32(dev, GEN_CNTL); - reg32 |= (1 << 17); /* Enable HPET. */ - /* - * Bits [16:15] Memory Address Range - * 00 FED0_0000h - FED0_03FFh - * 01 FED0_1000h - FED0_13FFh - * 10 FED0_2000h - FED0_23FFh - * 11 FED0_3000h - FED0_33FFh - */ - reg32 &= ~(3 << 15); /* Clear it */ - reg32 |= (code << 15); - /* TODO: reg32 is never written to anywhere? */ - printk_debug("Enabling HPET @0x%x\n", HPET_ADDR | (code << 12)); -#endif -} - static void lpc_init(struct device *dev) { uint16_t ich_model = pci_read_config16(dev, PCI_DEVICE_ID); @@ -326,9 +304,6 @@
/* Setup decode ports and LPC I/F enables. */ i82801ax_lpc_decode_en(dev, ich_model); - - /* Initialize the High Precision Event Timers, if present. */ - enable_hpet(dev); }
static void i82801ax_lpc_read_resources(device_t dev)
Modified: trunk/src/southbridge/intel/i82801bx/i82801bx_lpc.c ============================================================================== --- trunk/src/southbridge/intel/i82801bx/i82801bx_lpc.c Wed Mar 17 05:40:15 2010 (r5251) +++ trunk/src/southbridge/intel/i82801bx/i82801bx_lpc.c Wed Mar 17 18:50:48 2010 (r5252) @@ -272,28 +272,6 @@ } }
-static void enable_hpet(struct device *dev) -{ -#ifdef HPET_PRESENT - uint32_t reg32; - uint32_t code = (0 & 0x3); - - reg32 = pci_read_config32(dev, GEN_CNTL); - reg32 |= (1 << 17); /* Enable HPET. */ - /* - * Bits [16:15] Memory Address Range - * 00 FED0_0000h - FED0_03FFh - * 01 FED0_1000h - FED0_13FFh - * 10 FED0_2000h - FED0_23FFh - * 11 FED0_3000h - FED0_33FFh - */ - reg32 &= ~(3 << 15); /* Clear it */ - reg32 |= (code << 15); - /* TODO: reg32 is never written to anywhere? */ - printk_debug("Enabling HPET @0x%x\n", HPET_ADDR | (code << 12)); -#endif -} - static void lpc_init(struct device *dev) { uint16_t ich_model = pci_read_config16(dev, PCI_DEVICE_ID); @@ -326,9 +304,6 @@
/* Setup decode ports and LPC I/F enables. */ i82801bx_lpc_decode_en(dev, ich_model); - - /* Initialize the High Precision Event Timers, if present. */ - enable_hpet(dev); }
static void i82801bx_lpc_read_resources(device_t dev)
Modified: trunk/src/southbridge/intel/i82801dx/i82801dx_lpc.c ============================================================================== --- trunk/src/southbridge/intel/i82801dx/i82801dx_lpc.c Wed Mar 17 05:40:15 2010 (r5251) +++ trunk/src/southbridge/intel/i82801dx/i82801dx_lpc.c Wed Mar 17 18:50:48 2010 (r5252) @@ -177,27 +177,6 @@ pci_write_config16(dev, LPC_EN, 0x300F); }
-static void enable_hpet(struct device *dev) -{ - u32 reg32; - u32 code = (0 & 0x3); - - reg32 = pci_read_config32(dev, GEN_CNTL); - reg32 |= (1 << 17); /* Enable HPET. */ - /* - * Bits [16:15] Memory Address Range - * 00 FED0_0000h - FED0_03FFh - * 01 FED0_1000h - FED0_13FFh - * 10 FED0_2000h - FED0_23FFh - * 11 FED0_3000h - FED0_33FFh - */ - reg32 &= ~(3 << 15); /* Clear it */ - reg32 |= (code << 15); - pci_write_config32(dev, GEN_CNTL, reg32); - - printk_debug("Enabling HPET @0x%x\n", HPET_ADDR | (code << 12)); -} - static void lpc_init(struct device *dev) { /* Set the value for PCI command register. */ @@ -228,9 +207,6 @@
/* Setup decode ports and LPC I/F enables. */ i82801dx_lpc_decode_en(dev); - - /* Initialize the High Precision Event Timers */ - enable_hpet(dev); }
static void i82801dx_lpc_read_resources(device_t dev)
Modified: trunk/src/southbridge/intel/i82801ex/i82801ex_lpc.c ============================================================================== --- trunk/src/southbridge/intel/i82801ex/i82801ex_lpc.c Wed Mar 17 05:40:15 2010 (r5251) +++ trunk/src/southbridge/intel/i82801ex/i82801ex_lpc.c Wed Mar 17 18:50:48 2010 (r5252) @@ -231,6 +231,7 @@
dword &= ~(3 << 15); /* clear it */ dword |= (code<<15); + pci_write_config32(dev, GEN_CNTL, dword);
printk_debug("enabling HPET @0x%lx\n", hpet_address | (code <<12) ); }
-
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