diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/southbridge/amd/cs5535/cs5536.c | 41 | ||||
-rw-r--r-- | src/southbridge/amd/cs5535/cs5536.h | 4 | ||||
-rw-r--r-- | src/southbridge/amd/cs5535/cs5536_early_setup.c | 182 | ||||
-rw-r--r-- | src/southbridge/amd/cs5535/cs5536_early_smbus.c | 45 | ||||
-rw-r--r-- | src/southbridge/amd/cs5535/cs5536_ide.c | 30 | ||||
-rw-r--r-- | src/southbridge/amd/cs5535/cs5536_smbus.h | 180 |
6 files changed, 0 insertions, 482 deletions
diff --git a/src/southbridge/amd/cs5535/cs5536.c b/src/southbridge/amd/cs5535/cs5536.c deleted file mode 100644 index 953670f783..0000000000 --- a/src/southbridge/amd/cs5535/cs5536.c +++ /dev/null @@ -1,41 +0,0 @@ - -#include <arch/io.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ops.h> -#include <device/pci_ids.h> -#include <console/console.h> -#include "cs5536.h" - -static void southbridge_init(struct device *dev) -{ - printk_err("cs5536: %s\n", __FUNCTION__); - setup_i8259(); -} - -static void southbridge_enable(struct device *dev) -{ - printk_err("%s: dev is %p\n", __FUNCTION__, dev); -} - -static void cs5536_pci_dev_enable_resources(device_t dev) -{ - printk_err("cs5536.c: %s()\n", __FUNCTION__); - pci_dev_enable_resources(dev); - enable_childrens_resources(dev); -} - -static struct device_operations southbridge_ops = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = cs5536_pci_dev_enable_resources, - .init = southbridge_init, - .enable = southbridge_enable, - .scan_bus = scan_static_bus, -}; - -static struct pci_driver cs5535_pci_driver __pci_driver = { - .ops = &southbridge_ops, - .vendor = PCI_VENDOR_ID_AMD, - .device = PCI_DEVICE_ID_AMD_CS5536_ISA -}; diff --git a/src/southbridge/amd/cs5535/cs5536.h b/src/southbridge/amd/cs5535/cs5536.h deleted file mode 100644 index 82d657204a..0000000000 --- a/src/southbridge/amd/cs5535/cs5536.h +++ /dev/null @@ -1,4 +0,0 @@ -#ifndef _CS5535_H -#define _CS5535_H - -#endif diff --git a/src/southbridge/amd/cs5535/cs5536_early_setup.c b/src/southbridge/amd/cs5535/cs5536_early_setup.c deleted file mode 100644 index ff31f76235..0000000000 --- a/src/southbridge/amd/cs5535/cs5536_early_setup.c +++ /dev/null @@ -1,182 +0,0 @@ -/* - * - * cs5536_early_setup.c: Early chipset initialization for CS5536 companion device - * - * - * This file implements the initialization sequence documented in section 4.2 of - * AMD Geode GX Processor CS5536 Companion Device GoedeROM Porting Guide. - * - */ - -#define CS5536_GLINK_PORT_NUM 0x02 /* the geode link port number to the CS5536 */ -#define CS5536_DEV_NUM 0x0F /* default PCI device number for CS5536 */ - -/** - * @brief Setup PCI IDSEL for CS5536 - * - * - */ - -static void cs5536_setup_extmsr(void) -{ - msr_t msr; - - /* forward MSR access to CS5536_GLINK_PORT_NUM to CS5536_DEV_NUM */ - msr.hi = msr.lo = 0x00000000; - if (CS5536_GLINK_PORT_NUM <= 4) { - msr.lo = CS5536_DEV_NUM << ((CS5536_GLINK_PORT_NUM - 1) * 8); - } else { - msr.hi = CS5536_DEV_NUM << ((CS5536_GLINK_PORT_NUM - 5) * 8); - } - wrmsr(0x5000201e, msr); -} - -static void cs5536_setup_idsel(void) -{ - /* write IDSEL to the write once register at address 0x0000 */ - outl(0x1 << (CS5536_DEV_NUM + 10), 0); -} - -static void cs5536_usb_swapsif(void) -{ - msr_t msr; - - msr = rdmsr(0x51600005); - //USB Serial short detect bit. - if (msr.hi & 0x10) { - /* We need to preserve bits 32,33,35 and not clear any BIST error, but clear the - * SERSHRT error bit */ - msr.hi &= 0xFFFFFFFB; - wrmsr(0x51600005, msr); - } -} - -static int cs5536_setup_iobase(void) -{ - msr_t msr; - - /* setup LBAR for SMBus controller */ - __builtin_wrmsr(0x5140000b, 0x00006000, 0x0000f001); - /* setup LBAR for GPIO */ - __builtin_wrmsr(0x5140000c, 0x00006100, 0x0000f001); - /* setup LBAR for MFGPT */ - __builtin_wrmsr(0x5140000d, 0x00006200, 0x0000f001); - /* setup LBAR for ACPI */ - __builtin_wrmsr(0x5140000e, 0x00009c00, 0x0000f001); - /* setup LBAR for PM Support */ - __builtin_wrmsr(0x5140000f, 0x00009d00, 0x0000f001); -} - -static void cs5536_setup_power_bottun(void) -{ - /* not implemented yet */ -#if 0 - pwrBtn_setup: - ; - ; Power Button Setup - ; - ;mov eax, 0C0020000h ; 4 seconds + lock - mov eax, 040020000h ; 4 seconds no lock - mov dx, PMLogic_BASE + 40h - out dx, eax - - ; setup GPIO24, it is the external signal for 5536 vsb_work_aux - ; which controls all voltage rails except Vstandby & Vmem. - ; We need to enable, OUT_AUX1 and OUTPUT_ENABLE in this order. - ; If GPIO24 is not enabled then soft-off will not work. - mov dx, GPIOH_OUT_AUX1_SELECT - mov eax, GPIOH_24_SET - out dx, eax - mov dx, GPIOH_OUTPUT_ENABLE - out dx, eax - -#endif -} - -static void cs5536_setup_gpio(void) -{ - uint32_t val; - - /* setup GPIO pins 14/15 for SDA/SCL */ - val = (1<<14 | 1<<15); - /* Output Enable */ - outl(0x3fffc000, 0x6100 + 0x04); - //outl(val, 0x6100 + 0x04); - /* Output AUX1 */ - outl(0x3fffc000, 0x6100 + 0x10); - //outl(val, 0x6100 + 0x10); - /* Input Enable */ - //outl(0x0f5af0a5, 0x6100 + 0x20); - outl(0x3fffc000, 0x6100 + 0x20); - //outl(val, 0x6100 + 0x20); - /* Input AUX1 */ - //outl(0x3ffbc004, 0x6100 + 0x34); - outl(0x3fffc000, 0x6100 + 0x34); - //outl(val, 0x6100 + 0x34); -} - -static void cs5536_disable_internal_uart(void) -{ - /* not implemented yet */ -#if 0 - ; The UARTs default to enabled. - ; Disable and reset them and configure them later. (SIO init) - mov ecx, MDD_UART1_CONF - RDMSR - mov eax, 1h ; reset - WRMSR - mov eax, 0h ; disabled - WRMSR - - mov ecx, MDD_UART2_CONF - RDMSR - mov eax, 1h ; reset - WRMSR - mov eax, 0h ; disabled - WRMSR - -#endif -} - -static void cs5536_setup_cis_mode(void) -{ - msr_t msr; - - /* setup CPU interface serial to mode C on both sides */ - msr = __builtin_rdmsr(0x51000010); - msr.lo &= ~0x18; - msr.lo |= 0x10; - __builtin_wrmsr(0x51000010, msr.lo, msr.hi); - //Only do this if we are building for 5536 - __builtin_wrmsr(0x54002010, 0x00000002, 0x00000000); -} - -static void dummy(void) -{ -} - -static int cs5536_early_setup(void) -{ - msr_t msr; - - cs5536_setup_extmsr(); - - msr = rdmsr(GLCP_SYS_RSTPLL); - if (msr.lo & (0x3f << 26)) { - /* PLL is already set and we are reboot from PLL reset */ - print_debug("reboot from BIOS reset\n\r"); - return; - } - print_debug("Setup idsel\r\n"); - cs5536_setup_idsel(); - print_debug("Setup iobase\r\n"); - cs5536_usb_swapsif(); - cs5536_setup_iobase(); - print_debug("Setup gpio\r\n"); - cs5536_setup_gpio(); - print_debug("Setup cis_mode\r\n"); - cs5536_setup_cis_mode(); - print_debug("Setup smbus\r\n"); - cs5536_enable_smbus(); - dummy(); -} diff --git a/src/southbridge/amd/cs5535/cs5536_early_smbus.c b/src/southbridge/amd/cs5535/cs5536_early_smbus.c deleted file mode 100644 index 0605d0cb82..0000000000 --- a/src/southbridge/amd/cs5535/cs5536_early_smbus.c +++ /dev/null @@ -1,45 +0,0 @@ -#include "cs5536_smbus.h" - -#define SMBUS_IO_BASE 0x6000 - -/* initialization for SMBus Controller */ -static int cs5536_enable_smbus(void) -{ - unsigned char val; - - /* reset SMBUS controller */ - outb(0, SMBUS_IO_BASE + SMB_CTRL2); - - /* Set SCL freq and enable SMB controller */ - val = inb(SMBUS_IO_BASE + SMB_CTRL2); - val |= ((0x20 << 1) | SMB_CTRL2_ENABLE); - outb(val, SMBUS_IO_BASE + SMB_CTRL2); - - /* Setup SMBus host controller address to 0xEF */ - val = inb(SMBUS_IO_BASE + SMB_ADD); - val |= (0xEF | SMB_ADD_SAEN); - outb(val, SMBUS_IO_BASE + SMB_ADD); -} - -static int smbus_read_byte(unsigned device, unsigned address) -{ - return do_smbus_read_byte(SMBUS_IO_BASE, device, address-1); -} - -#if 0 -static int smbus_recv_byte(unsigned device) -{ - return do_smbus_recv_byte(SMBUS_IO_BASE, device); -} - -static int smbus_send_byte(unsigned device, unsigned char val) -{ - return do_smbus_send_byte(SMBUS_IO_BASE, device, val); -} - - -static int smbus_write_byte(unsigned device, unsigned address, unsigned char val) -{ - return do_smbus_write_byte(SMBUS_IO_BASE, device, address, val); -} -#endif diff --git a/src/southbridge/amd/cs5535/cs5536_ide.c b/src/southbridge/amd/cs5535/cs5536_ide.c deleted file mode 100644 index 123f775fba..0000000000 --- a/src/southbridge/amd/cs5535/cs5536_ide.c +++ /dev/null @@ -1,30 +0,0 @@ -#include <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <device/pci_ops.h> -#include "cs5535.h" - -static void ide_init(struct device *dev) -{ - printk_spew("cs5535_ide: %s\n", __FUNCTION__); -} - -static void ide_enable(struct device *dev) -{ - printk_spew("cs5535_ide: %s\n", __FUNCTION__); -} - -static struct device_operations ide_ops = { - .read_resources = pci_dev_read_resources, - .set_resources = pci_dev_set_resources, - .enable_resources = pci_dev_enable_resources, - .init = ide_init, - .enable = ide_enable, -}; - -static struct pci_driver ide_driver __pci_driver = { - .ops = &ide_ops, - .vendor = PCI_VENDOR_ID_NS, - .device = PCI_DEVICE_ID_NS_CS5535_IDE, -}; diff --git a/src/southbridge/amd/cs5535/cs5536_smbus.h b/src/southbridge/amd/cs5535/cs5536_smbus.h deleted file mode 100644 index 9cf55ba29c..0000000000 --- a/src/southbridge/amd/cs5535/cs5536_smbus.h +++ /dev/null @@ -1,180 +0,0 @@ -//#include <device/smbus_def.h> -#define SMBUS_ERROR -1 -#define SMBUS_WAIT_UNTIL_READY_TIMEOUT -2 -#define SMBUS_WAIT_UNTIL_DONE_TIMEOUT -3 - -#define SMB_SDA 0x00 -#define SMB_STS 0x01 -#define SMB_CTRL_STS 0x02 -#define SMB_CTRL1 0x03 -#define SMB_ADD 0x04 -#define SMB_CTRL2 0x05 -#define SMB_CTRL3 0x06 - -#define SMB_STS_SLVSTP (0x01 << 7) -#define SMB_STS_SDAST (0x01 << 6) -#define SMB_STS_BER (0x01 << 5) -#define SMB_STS_NEGACK (0x01 << 4) -#define SMB_STS_STASTR (0x01 << 3) -#define SMB_STS_NMATCH (0x01 << 2) -#define SMB_STS_MASTER (0x01 << 1) -#define SMB_STS_XMIT (0x01 << 0) - -#define SMB_CSTS_TGSCL (0x01 << 5) -#define SMB_CSTS_TSDA (0x01 << 4) -#define SMB_CSTS_GCMTCH (0x01 << 3) -#define SMB_CSTS_MATCH (0x01 << 2) -#define SMB_CSTS_BB (0x01 << 1) -#define SMB_CSTS_BUSY (0x01 << 0) - -#define SMB_CTRL1_STASTRE (0x01 << 7) -#define SMB_CTRL1_NMINTE (0x01 << 6) -#define SMB_CTRL1_GCMEN (0x01 << 5) -#define SMB_CTRL1_ACK (0x01 << 4) -#define SMB_CTRL1_RSVD (0x01 << 3) -#define SMB_CTRL1_INTEN (0x01 << 2) -#define SMB_CTRL1_STOP (0x01 << 1) -#define SMB_CTRL1_START (0x01 << 0) - -#define SMB_ADD_SAEN (0x01 << 7) - -#define SMB_CTRL2_ENABLE 0x01 - -#define SMBUS_TIMEOUT (100*1000*10) -#define SMBUS_STATUS_MASK 0xfbff - -#define SMBUS_IO_BASE 0x6000 - -static void smbus_delay(void) -{ - outb(0x80, 0x80); -} - -/* generate a smbus start condition */ -static int smbus_start_condition(unsigned smbus_io_base) -{ - unsigned char val; - unsigned long loops; - loops = SMBUS_TIMEOUT; - - /* issue a START condition */ - val = inb(smbus_io_base + SMB_CTRL1); - outb(val | SMB_CTRL1_START, smbus_io_base + SMB_CTRL1); - - /* check for bus conflict */ - val = inb(smbus_io_base + SMB_STS); - if ((val & SMB_STS_BER) != 0) - return SMBUS_ERROR; - - /* check for SDA status */ - do { - smbus_delay(); - val = inw(smbus_io_base + SMB_STS); - if ((val & SMB_STS_SDAST) != 0) { - break; - } - } while(--loops); - return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT; -} - -static int smbus_check_stop_condition(unsigned smbus_io_base) -{ - unsigned char val; - unsigned long loops; - loops = SMBUS_TIMEOUT; - /* check for SDA status */ - do { - smbus_delay(); - val = inw(smbus_io_base + SMB_CTRL1); - if ((val & SMB_CTRL1_STOP) == 0) { - break; - } - } while(--loops); - return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT; -} - -static int smbus_stop_condition(unsigned smbus_io_base) -{ - unsigned char val; - val = inb(smbus_io_base + SMB_CTRL1); - outb(SMB_CTRL1_STOP, smbus_io_base + SMB_CTRL1); -} - -static int smbus_send_slave_address(unsigned smbus_io_base, unsigned char device) -{ - unsigned char val; - unsigned long loops; - loops = SMBUS_TIMEOUT; - - /* send the slave address */ - outb(device, smbus_io_base + SMB_SDA); - - /* check for bus conflict and NACK */ - val = inb(smbus_io_base + SMB_STS); - if (((val & SMB_STS_BER) != 0) || - ((val & SMB_STS_NEGACK) != 0)) - return SMBUS_ERROR; - - /* check for SDA status */ - do { - smbus_delay(); - val = inw(smbus_io_base + SMB_STS); - if ((val & SMB_STS_SDAST) != 0) { - break; - } - } while(--loops); - return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT; -} - -static int smbus_send_command(unsigned smbus_io_base, unsigned char command) -{ - unsigned char val; - unsigned long loops; - loops = SMBUS_TIMEOUT; - - /* send the command */ - outb(command, smbus_io_base + SMB_SDA); - - /* check for bus conflict and NACK */ - val = inb(smbus_io_base + SMB_STS); - if (((val & SMB_STS_BER) != 0) || - ((val & SMB_STS_NEGACK) != 0)) - return SMBUS_ERROR; - - /* check for SDA status */ - do { - smbus_delay(); - val = inw(smbus_io_base + SMB_STS); - if ((val & SMB_STS_SDAST) != 0) { - break; - } - } while(--loops); - return loops?0:SMBUS_WAIT_UNTIL_READY_TIMEOUT; -} - -static unsigned char do_smbus_read_byte(unsigned smbus_io_base, unsigned char device, unsigned char address) -{ - unsigned char val, val1; - - smbus_check_stop_condition(smbus_io_base); - - smbus_start_condition(smbus_io_base); - - smbus_send_slave_address(smbus_io_base, device); - - smbus_send_command(smbus_io_base, address); - - smbus_start_condition(smbus_io_base); - - smbus_send_slave_address(smbus_io_base, device | 0x01); - - /* send NACK to slave */ - val = inb(smbus_io_base + SMB_CTRL1); - outb(val | SMB_CTRL1_ACK, smbus_io_base + SMB_CTRL1); - - val = inb(smbus_io_base + SMB_SDA); - - //smbus_stop_condition(smbus_io_base); - - return val; -} |