- Initial checkin of the freebios2 tree
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@784 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
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25
src/sdram/generic_dump_spd.c
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25
src/sdram/generic_dump_spd.c
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void dump_spd_registers(void)
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{
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unsigned device;
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device = SMBUS_MEM_DEVICE_START;
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printk_debug("\n");
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while(device <= SMBUS_MEM_DEVICE_END) {
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int status = 0;
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int i;
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printk_debug("dimm %02x", device);
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for(i = 0; (i < 256) && (status == 0); i++) {
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unsigned char byte;
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if ((i % 20) == 0) {
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printk_debug("\n%3d: ", i);
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}
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status = smbus_read_byte(device, i, &byte);
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if (status != 0) {
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printk_debug("bad device\n");
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continue;
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}
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printk_debug("%02x ", byte);
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}
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device += SMBUS_MEM_DEVICE_INC;
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printk_debug("\n");
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}
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}
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35
src/sdram/generic_sdram.c
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35
src/sdram/generic_sdram.c
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void sdram_no_memory(void)
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{
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print_err("No memory!!\r\n");
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while(1) {
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hlt();
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}
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}
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/* Setup SDRAM */
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void sdram_initialize(void)
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{
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print_debug("Ram1\r\n");
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/* Set the registers we can set once to reasonable values */
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sdram_set_registers();
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print_debug("Ram2\r\n");
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/* Now setup those things we can auto detect */
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sdram_set_spd_registers();
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print_debug("Ram3\r\n");
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/* Now that everything is setup enable the SDRAM.
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* Some chipsets do the work for use while on others
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* we need to it by hand.
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*/
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sdram_enable();
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print_debug("Ram4\r\n");
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sdram_first_normal_reference();
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print_debug("Ram5\r\n");
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sdram_enable_refresh();
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sdram_special_finishup();
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print_debug("Ram6\r\n");
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}
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