b138ac83b5
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@783 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
253 lines
3.2 KiB
C
253 lines
3.2 KiB
C
void land_test(void)
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{
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int i;
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i = 1 && 2;
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}
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void lor_test(void)
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{
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int i;
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i = 1 || 2;
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}
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void outb(unsigned char value, unsigned short port)
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{
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__builtin_outb(value, port);
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}
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unsigned char inb(unsigned short port)
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{
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return __builtin_inb(port);
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}
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static unsigned int config_cmd2(unsigned char bus, unsigned devfn, unsigned where)
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{
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return 0x80000000 | (bus << 16) | (devfn << 8) | (where & ~3) ;
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}
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/* Base Address */
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#ifndef TTYS0_BASE
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#define TTYS0_BASE 0x3f8
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#endif
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#ifndef TTYS0_BAUD
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#define TTYS0_BAUD 115200
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#endif
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#if ((115200%TTYS0_BAUD) != 0)
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#error Bad ttys0 baud rate
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#endif
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#define TTYS0_DIV (115200/TTYS0_BAUD)
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/* Line Control Settings */
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#ifndef TTYS0_LCS
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/* Set 8bit, 1 stop bit, no parity */
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#define TTYS0_LCS 0x3
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#endif
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#define UART_LCS TTYS0_LCS
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/* Data */
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#define UART_RBR 0x00
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#define UART_TBR 0x00
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/* Control */
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#define UART_IER 0x01
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#define UART_IIR 0x02
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#define UART_FCR 0x02
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#define UART_LCR 0x03
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#define UART_MCR 0x04
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#define UART_DLL 0x00
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#define UART_DLM 0x01
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/* Status */
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#define UART_LSR 0x05
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#define UART_MSR 0x06
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#define UART_SCR 0x07
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int uart_can_tx_byte(void)
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{
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return inb(TTYS0_BASE + UART_LSR) & 0x20;
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}
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void uart_wait_to_tx_byte(void)
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{
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while(!uart_can_tx_byte())
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;
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}
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void uart_wait_until_sent(void)
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{
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while(!(inb(TTYS0_BASE + UART_LSR) & 0x40))
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;
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}
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void uart_tx_byte(unsigned char data)
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{
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uart_wait_to_tx_byte();
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outb(data, TTYS0_BASE + UART_TBR);
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/* Make certain the data clears the fifos */
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uart_wait_until_sent();
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}
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void dummy(void)
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{
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uart_tx_byte(5);
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}
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#define PIIX4_DEVFN 0x90
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#define SMBUS_MEM_DEVICE_START 0x50
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#define SMBUS_MEM_DEVICE_END 0x53
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#define SMBUS_MEM_DEVICE_INC 1
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#define PM_BUS 0
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#define PM_DEVFN (PIIX4_DEVFN+3)
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#define SMBUS_IO_BASE 0x1000
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#define SMBHSTSTAT 0
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#define SMBHSTCTL 2
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#define SMBHSTCMD 3
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#define SMBHSTADD 4
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#define SMBHSTDAT0 5
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#define SMBHSTDAT1 6
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#define SMBBLKDAT 7
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static void smbus_wait_until_done(void)
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{
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unsigned char byte;
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do {
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byte = inb(SMBUS_IO_BASE + SMBHSTSTAT);
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}while((byte &1) == 1);
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#if 1
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while( (byte & ~1) == 0) {
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byte = inb(SMBUS_IO_BASE + SMBHSTSTAT);
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}
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#endif
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}
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#if 0
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void ifthenelse(void)
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{
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int i;
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if (5 > 2) {
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i = 1;
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}
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else {
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i = 2;
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}
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i = i + 3;
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}
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#endif
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#if 0
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static int add(int left, int right)
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{
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{
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return left + right;
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}
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}
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#else
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#if 0
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static int add(int left, int right)
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{
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return left + right;
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}
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#endif
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#endif
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#if 0
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static void assign(void)
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{
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int i, j;
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i = j = 1;
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}
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#endif
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#if 0
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static void and(void)
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{
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int i, j, k;
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i = 1;
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j = 2;
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k = i && j;
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}
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static void and_test(void)
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{
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and();
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}
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#endif
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#if 0
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#define INC_TEST 2
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static void inc(void)
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{
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int i;
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i = 5;
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#if (INC_TEST == 1)
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i += 7;
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#endif
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#if (INC_TEST == 2)
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++i;
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#endif
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#if (INC_TEST == 3)
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i++;
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#endif
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}
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#if 0
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static void inc_test(void)
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{
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inc();
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}
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#endif
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#endif
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#if 0
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static void loop(void)
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{
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int i;
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for(i = 0; i < 10; i++) {
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;
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} while(i < 10);
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}
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static void loop_test(void)
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{
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loop();
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}
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#endif
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#if 0
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static void simple(void)
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{
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add(1,2);
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}
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#endif
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#if 0
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static void fun(void)
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{
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int bar;
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bar = add(1, 2);
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}
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#endif
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#if 0
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static void func(void)
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{
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int bar, baz;
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int i;
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baz = add(1, 2);
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baz = add(1, 2);
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bar = 1;
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baz = 2;
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for(i = 0; i < 10; i = i + 1) {
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baz = i;
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}
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bar = 1 + 2 * 3;
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bar = add(3, 4);
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bar = add(bar, baz);
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}
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#endif
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