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synced 2025-09-10 04:26:19 -04:00
sbc8548: relocate fixed ddr init code to ddr.c file
Nothing to see here, just a relocation of the fixed ddr init sequence to live in the actual ddr.c file itself. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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@ -54,3 +54,51 @@ void fsl_ddr_board_options(memctl_options_t *popts,
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*/
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*/
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popts->half_strength_driver_enable = 0;
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popts->half_strength_driver_enable = 0;
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}
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}
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#if !defined(CONFIG_SPD_EEPROM)
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/*
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* fixed_sdram init -- doesn't use serial presence detect.
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* Assumes 256MB DDR2 SDRAM SODIMM, without ECC, running at DDR400 speed.
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*/
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phys_size_t fixed_sdram(void)
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{
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volatile ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
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out_be32(&ddr->cs0_bnds, 0x0000007f);
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out_be32(&ddr->cs1_bnds, 0x008000ff);
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out_be32(&ddr->cs2_bnds, 0x00000000);
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out_be32(&ddr->cs3_bnds, 0x00000000);
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out_be32(&ddr->cs0_config, 0x80010101);
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out_be32(&ddr->cs1_config, 0x80010101);
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out_be32(&ddr->cs2_config, 0x00000000);
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out_be32(&ddr->cs3_config, 0x00000000);
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out_be32(&ddr->timing_cfg_3, 0x00000000);
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out_be32(&ddr->timing_cfg_0, 0x00220802);
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out_be32(&ddr->timing_cfg_1, 0x38377322);
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out_be32(&ddr->timing_cfg_2, 0x0fa044C7);
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out_be32(&ddr->sdram_cfg, 0x4300C000);
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out_be32(&ddr->sdram_cfg_2, 0x24401000);
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out_be32(&ddr->sdram_mode, 0x23C00542);
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out_be32(&ddr->sdram_mode_2, 0x00000000);
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out_be32(&ddr->sdram_interval, 0x05080100);
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out_be32(&ddr->sdram_md_cntl, 0x00000000);
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out_be32(&ddr->sdram_data_init, 0x00000000);
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out_be32(&ddr->sdram_clk_cntl, 0x03800000);
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asm("sync;isync;msync");
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udelay(500);
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#ifdef CONFIG_DDR_ECC
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/* Enable ECC checking */
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out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL | 0x20000000);
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#else
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out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL);
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#endif
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return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
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}
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#endif
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@ -219,50 +219,6 @@ testdram(void)
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}
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}
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#endif
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#endif
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#if !defined(CONFIG_SPD_EEPROM)
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#define CONFIG_SYS_DDR_CONTROL 0xc300c000
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/*************************************************************************
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* fixed_sdram init -- doesn't use serial presence detect.
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* assumes 256MB DDR2 SDRAM SODIMM, without ECC, running at DDR400 speed.
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************************************************************************/
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phys_size_t fixed_sdram(void)
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{
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volatile ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
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out_be32(&ddr->cs0_bnds, 0x0000007f);
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out_be32(&ddr->cs1_bnds, 0x008000ff);
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out_be32(&ddr->cs2_bnds, 0x00000000);
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out_be32(&ddr->cs3_bnds, 0x00000000);
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out_be32(&ddr->cs0_config, 0x80010101);
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out_be32(&ddr->cs1_config, 0x80010101);
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out_be32(&ddr->cs2_config, 0x00000000);
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out_be32(&ddr->cs3_config, 0x00000000);
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out_be32(&ddr->timing_cfg_3, 0x00000000);
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out_be32(&ddr->timing_cfg_0, 0x00220802);
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out_be32(&ddr->timing_cfg_1, 0x38377322);
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out_be32(&ddr->timing_cfg_2, 0x0fa044C7);
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out_be32(&ddr->sdram_cfg, 0x4300C000);
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out_be32(&ddr->sdram_cfg_2, 0x24401000);
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out_be32(&ddr->sdram_mode, 0x23C00542);
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out_be32(&ddr->sdram_mode_2, 0x00000000);
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out_be32(&ddr->sdram_interval, 0x05080100);
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out_be32(&ddr->sdram_md_cntl, 0x00000000);
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out_be32(&ddr->sdram_data_init, 0x00000000);
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out_be32(&ddr->sdram_clk_cntl, 0x03800000);
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asm("sync;isync;msync");
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udelay(500);
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#if defined (CONFIG_DDR_ECC)
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/* Enable ECC checking */
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out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL | 0x20000000);
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#else
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out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL);
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#endif
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return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
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}
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#endif
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#ifdef CONFIG_PCI1
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#ifdef CONFIG_PCI1
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static struct pci_controller pci1_hose;
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static struct pci_controller pci1_hose;
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#endif /* CONFIG_PCI1 */
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#endif /* CONFIG_PCI1 */
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@ -148,6 +148,7 @@
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*/
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*/
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#ifndef CONFIG_SPD_EEPROM
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#ifndef CONFIG_SPD_EEPROM
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#define CONFIG_SYS_SDRAM_SIZE 256 /* DDR is 256MB */
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#define CONFIG_SYS_SDRAM_SIZE 256 /* DDR is 256MB */
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#define CONFIG_SYS_DDR_CONTROL 0xc300c000
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#endif
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#endif
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#undef CONFIG_CLOCKS_IN_MHZ
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#undef CONFIG_CLOCKS_IN_MHZ
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