diff options
Diffstat (limited to 'util/romcc/tests/simple_test6.c')
-rw-r--r-- | util/romcc/tests/simple_test6.c | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/util/romcc/tests/simple_test6.c b/util/romcc/tests/simple_test6.c deleted file mode 100644 index 8aee0cdf41..0000000000 --- a/util/romcc/tests/simple_test6.c +++ /dev/null @@ -1,269 +0,0 @@ -#define HAVE_CONSTANT_PROPOGATION 1 - -void outb(unsigned char value, unsigned short port) -{ - __builtin_outb(value, port); -} - -void outw(unsigned short value, unsigned short port) -{ - __builtin_outw(value, port); -} - -void outl(unsigned int value, unsigned short port) -{ - __builtin_outl(value, port); -} - -unsigned char inb(unsigned short port) -{ - return __builtin_inb(port); -} - -unsigned char inw(unsigned short port) -{ - return __builtin_inw(port); -} - -unsigned char inl(unsigned short port) -{ - return __builtin_inl(port); -} - -static unsigned int config_cmd(unsigned char bus, unsigned devfn, unsigned where) -{ - return 0x80000000 | (bus << 16) | (devfn << 8) | (where & ~3); -} - -static unsigned char pcibios_read_config_byte( - unsigned char bus, unsigned devfn, unsigned where) -{ - outl(config_cmd(bus, devfn, where), 0xCF8); - return inb(0xCFC + (where & 3)); -} - -static unsigned short pcibios_read_config_word( - unsigned char bus, unsigned devfn, unsigned where) -{ - outl(config_cmd(bus, devfn, where), 0xCF8); - return inw(0xCFC + (where & 2)); -} - -static unsigned int pcibios_read_config_dword( - unsigned char bus, unsigned devfn, unsigned where) -{ - outl(config_cmd(bus, devfn, where), 0xCF8); - return inl(0xCFC); -} - - -static void pcibios_write_config_byte( - unsigned char bus, unsigned devfn, unsigned where, unsigned char value) -{ - outl(config_cmd(bus, devfn, where), 0xCF8); - outb(value, 0xCFC + (where & 3)); -} - -static void pcibios_write_config_word( - unsigned char bus, unsigned devfn, unsigned where, unsigned short value) -{ - outl(config_cmd(bus, devfn, where), 0xCF8); - outw(value, 0xCFC + (where & 2)); -} - -static void pcibios_write_config_dword( - unsigned char bus, unsigned devfn, unsigned where, unsigned int value) -{ - outl(config_cmd(bus, devfn, where), 0xCF8); - outl(value, 0xCFC); -} - -int log2(int value) -{ - /* __builtin_bsr is a exactly equivalent to the x86 machine - * instruction with the exception that it returns -1 - * when the value presented to it is zero. - * Otherwise __builtin_bsr returns the zero based index of - * the highest bit set. - */ - return __builtin_bsr(value); -} - -#define PIIX4_DEVFN 0x90 -#define SMBUS_MEM_DEVICE_START 0x50 -#define SMBUS_MEM_DEVICE_END 0x53 -#define SMBUS_MEM_DEVICE_INC 1 - - -#define PM_BUS 0 -#define PM_DEVFN (PIIX4_DEVFN+3) - -#if HAVE_CONSTANT_PROPOGATION -#define SMBUS_IO_BASE 0x1000 -#define SMBHSTSTAT 0 -#define SMBHSTCTL 2 -#define SMBHSTCMD 3 -#define SMBHSTADD 4 -#define SMBHSTDAT0 5 -#define SMBHSTDAT1 6 -#define SMBBLKDAT 7 - -static void smbus_wait_until_ready(void) -{ - while((inb(SMBUS_IO_BASE + SMBHSTSTAT) & 1) == 1) { - /* nop */ - } -} - -static void smbus_wait_until_done(void) -{ - unsigned char byte; - do { - byte = inb(SMBUS_IO_BASE + SMBHSTSTAT); - }while((byte &1) == 1); - while( (byte & ~1) == 0) { - byte = inb(SMBUS_IO_BASE + SMBHSTSTAT); - } -} - -int smbus_read_byte(unsigned device, unsigned address) -{ - unsigned char host_status_register; - unsigned char byte; - int result; - - smbus_wait_until_ready(); - - /* setup transaction */ - /* disable interrupts */ - outb(inb(SMBUS_IO_BASE + SMBHSTCTL) & (~1), SMBUS_IO_BASE + SMBHSTCTL); - /* set the device I'm talking to */ - outb(((device & 0x7f) << 1) | 1, SMBUS_IO_BASE + SMBHSTADD); - /* set the command/address... */ - outb(address & 0xFF, SMBUS_IO_BASE + SMBHSTCMD); - /* set up for a byte data read */ - outb((inb(SMBUS_IO_BASE + SMBHSTCTL) & 0xE3) | (0x2 << 2), SMBUS_IO_BASE + SMBHSTCTL); - - /* clear any lingering errors, so the transaction will run */ - outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT); - - /* clear the data byte...*/ - outb(0, SMBUS_IO_BASE + SMBHSTDAT0); - - /* start the command */ - outb((inb(SMBUS_IO_BASE + SMBHSTCTL) | 0x40), SMBUS_IO_BASE + SMBHSTCTL); - - /* poll for transaction completion */ - smbus_wait_until_done(); - - host_status_register = inb(SMBUS_IO_BASE + SMBHSTSTAT); - - /* read results of transaction */ - byte = inb(SMBUS_IO_BASE + SMBHSTDAT0); - - result = byte; - if (host_status_register != 0x02) { - result = -1; - } - return result; -} - -#else /* !HAVE_CONSTANT_PROPOGATION */ - -#define SMBUS_IO_HSTSTAT 0x1000 -#define SMBUS_IO_HSTCTL 0x1002 -#define SMBUS_IO_HSTCMD 0x1003 -#define SMBUS_IO_HSTADD 0x1004 -#define SMBUS_IO_HSTDAT0 0x1005 -#define SMBUS_IO_HSTDAT1 0x1006 -#define SMBUS_IO_HSTBLKDAT 0x1007 - - -static void smbus_wait_until_ready(void) -{ - while((inb(SMBUS_IO_HSTSTAT) & '\1') == '\1') { - /* nop */ - } -} - -static void smbus_wait_until_done(void) -{ - unsigned char byte; - do { - byte = inb(SMBUS_IO_HSTSTAT); - }while((byte &1) == 1); - while( (byte & ~1) == 0) { - byte = inb(SMBUS_IO_HSTSTAT); - } -} - -short smbus_read_byte(unsigned char device, unsigned char address) -{ - unsigned char host_status_register; - short result; - - smbus_wait_until_ready(); /* 2 */ - - /* setup transaction */ - /* disable interrupts */ - outb(inb(SMBUS_IO_HSTCTL) & (~1), SMBUS_IO_HSTCTL); /* 3 */ - /* set the device I'm talking to */ - outb(((device & 0x7f) << 1) | 1, SMBUS_IO_HSTADD); /* 1 + 3 */ - /* set the command/address... */ - outb(address & 0xFF, SMBUS_IO_HSTCMD); /* 1 + 3 */ - /* set up for a byte data read */ - outb((inb(SMBUS_IO_HSTCTL) & 0xE3) | 8, SMBUS_IO_HSTCTL); /* 3 */ - - /* clear any lingering errors, so the transaction will run */ - outb(inb(SMBUS_IO_HSTSTAT), SMBUS_IO_HSTSTAT); /* 3 */ - - /* clear the data byte...*/ - outb(0, SMBUS_IO_HSTDAT0); /* 3 */ - - /* start the command */ - outb((inb(SMBUS_IO_HSTCTL) | 0x40), SMBUS_IO_HSTCTL); - - /* poll for transaction completion */ - smbus_wait_until_done(); - - host_status_register = inb(SMBUS_IO_HSTSTAT); - - /* read results of transaction */ - result = inb(SMBUS_IO_HSTDAT0); - - if (host_status_register != 0x02) { - result = -1; - } - return result; -} -#endif /* HAVE_CONSTANT_PROPOGATION */ - - -static void test(void) -{ - short byte; - unsigned device; - unsigned char i, j, k, l, m, n, o; - i = 1; - j = 2; - k = 3; - l = 4; - m = 5; - n = 6; - o = 7; - device = inb(SMBUS_MEM_DEVICE_START); - byte = smbus_read_byte(device, 3); - outb(i, 0xab); - outb(j, 0xab); - outb(k, 0xab); - outb(l, 0x1234); -#if 1 - outb(m, 0xab); -#endif -#if 1 - outb(n, 0xab); -#endif -#if 0 - outb(o, 0xab); -#endif -} |