48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#include <lib.h> /* Prototypes */
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/* Setup SDRAM */
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#if CONFIG_RAMINIT_SYSINFO
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void sdram_initialize(int controllers, const struct mem_controller *ctrl, void *sysinfo)
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#else
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void sdram_initialize(int controllers, const struct mem_controller *ctrl)
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#endif
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{
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int i;
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/* Set the registers we can set once to reasonable values */
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for(i = 0; i < controllers; i++) {
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printk(BIOS_DEBUG, "Ram1.%02x\n", i);
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#if CONFIG_RAMINIT_SYSINFO
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sdram_set_registers(ctrl + i, sysinfo);
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#else
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sdram_set_registers(ctrl + i);
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#endif
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}
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/* Now setup those things we can auto detect */
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for(i = 0; i < controllers; i++) {
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printk(BIOS_DEBUG, "Ram2.%02x\n", i);
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#if CONFIG_RAMINIT_SYSINFO
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sdram_set_spd_registers(ctrl + i, sysinfo);
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#else
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sdram_set_spd_registers(ctrl + i);
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#endif
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}
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/* Now that everything is setup enable the SDRAM.
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* Some chipsets do the work for us while on others
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* we need to it by hand.
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*/
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printk(BIOS_DEBUG, "Ram3\n");
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#if CONFIG_RAMINIT_SYSINFO
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sdram_enable(controllers, ctrl, sysinfo);
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#else
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sdram_enable(controllers, ctrl);
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#endif
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printk(BIOS_DEBUG, "Ram4\n");
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}
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