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-rw-r--r--board/freescale/mpc8641hpcn/ddr.c147
-rw-r--r--board/freescale/mpc8641hpcn/law.c16
-rw-r--r--board/freescale/mpc8641hpcn/mpc8641hpcn.c86
3 files changed, 163 insertions, 86 deletions
diff --git a/board/freescale/mpc8641hpcn/ddr.c b/board/freescale/mpc8641hpcn/ddr.c
index 5163abf..517c6ee 100644
--- a/board/freescale/mpc8641hpcn/ddr.c
+++ b/board/freescale/mpc8641hpcn/ddr.c
@@ -10,6 +10,7 @@
#include <i2c.h>
#include <asm/fsl_ddr_sdram.h>
+#include <asm/fsl_ddr_dimm_params.h>
static void
get_spd(ddr2_spd_eeprom_t *spd, unsigned char i2c_address)
@@ -45,44 +46,120 @@ void fsl_ddr_get_spd(ddr2_spd_eeprom_t *ctrl_dimms_spd,
}
}
-void fsl_ddr_board_options(memctl_options_t *popts, unsigned int ctrl_num)
+typedef struct {
+ u32 datarate_mhz_low;
+ u32 datarate_mhz_high;
+ u32 n_ranks;
+ u32 clk_adjust;
+ u32 cpo;
+ u32 write_data_delay;
+} board_specific_parameters_t;
+
+/* XXX: these values need to be checked for all interleaving modes. */
+const board_specific_parameters_t board_specific_parameters[2][16] = {
+ {
+ /* memory controller 0 */
+ /* lo| hi| num| clk| cpo|wrdata */
+ /* mhz| mhz|ranks|adjst| | delay */
+ { 0, 333, 4, 7, 7, 3},
+ {334, 400, 4, 7, 9, 3},
+ {401, 549, 4, 7, 9, 3},
+ {550, 650, 4, 7, 10, 4},
+
+ { 0, 333, 3, 7, 7, 3},
+ {334, 400, 3, 7, 9, 3},
+ {401, 549, 3, 7, 9, 3},
+ {550, 650, 3, 7, 10, 4},
+
+ { 0, 333, 2, 7, 7, 3},
+ {334, 400, 2, 7, 9, 3},
+ {401, 549, 2, 7, 9, 3},
+ {550, 650, 2, 7, 10, 4},
+
+ { 0, 333, 1, 7, 7, 3},
+ {334, 400, 1, 7, 9, 3},
+ {401, 549, 1, 7, 9, 3},
+ {550, 650, 1, 7, 10, 4}
+ },
+
+ {
+ /* memory controller 1 */
+ /* lo| hi| num| clk| cpo|wrdata */
+ /* mhz| mhz|ranks|adjst| | delay */
+ { 0, 333, 4, 7, 7, 3},
+ {334, 400, 4, 7, 9, 3},
+ {401, 549, 4, 7, 9, 3},
+ {550, 650, 4, 7, 10, 4},
+
+ { 0, 333, 3, 7, 7, 3},
+ {334, 400, 3, 7, 9, 3},
+ {401, 549, 3, 7, 9, 3},
+ {550, 650, 3, 7, 10, 4},
+
+ { 0, 333, 2, 7, 7, 3},
+ {334, 400, 2, 7, 9, 3},
+ {401, 549, 2, 7, 9, 3},
+ {550, 650, 2, 7, 10, 4},
+
+ { 0, 333, 1, 7, 7, 3},
+ {334, 400, 1, 7, 9, 3},
+ {401, 549, 1, 7, 9, 3},
+ {550, 650, 1, 7, 10, 4}
+ }
+};
+
+void fsl_ddr_board_options(memctl_options_t *popts,
+ dimm_params_t *pdimm,
+ unsigned int ctrl_num)
{
- /*
- * Factors to consider for clock adjust:
- * - number of chips on bus
- * - position of slot
- * - DDR1 vs. DDR2?
- * - ???
- *
- * This needs to be determined on a board-by-board basis.
- * 0110 3/4 cycle late
- * 0111 7/8 cycle late
- */
- popts->clk_adjust = 7;
+ const board_specific_parameters_t *pbsp =
+ &(board_specific_parameters[ctrl_num][0]);
+ u32 num_params = sizeof(board_specific_parameters[ctrl_num]) /
+ sizeof(board_specific_parameters[0][0]);
+ u32 i;
+ u32 j;
+ ulong ddr_freq;
- /*
- * Factors to consider for CPO:
- * - frequency
- * - ddr1 vs. ddr2
+ /* set odt_rd_cfg and odt_wr_cfg. If the there is only one dimm in
+ * that controller, set odt_wr_cfg to 4 for CS0, and 0 to CS1. If
+ * there are two dimms in the controller, set odt_rd_cfg to 3 and
+ * odt_wr_cfg to 3 for the even CS, 0 for the odd CS.
*/
- popts->cpo_override = 10;
-
- /*
- * Factors to consider for write data delay:
- * - number of DIMMs
- *
- * 1 = 1/4 clock delay
- * 2 = 1/2 clock delay
- * 3 = 3/4 clock delay
- * 4 = 1 clock delay
- * 5 = 5/4 clock delay
- * 6 = 3/2 clock delay
- */
- popts->write_data_delay = 3;
+ for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
+ if (i&1) { /* odd CS */
+ popts->cs_local_opts[i].odt_rd_cfg = 0;
+ popts->cs_local_opts[i].odt_wr_cfg = 0;
+ } else { /* even CS */
+ if ((CONFIG_DIMM_SLOTS_PER_CTLR == 2) &&
+ (pdimm[i/2].n_ranks != 0)) {
+ popts->cs_local_opts[i].odt_rd_cfg = 3;
+ popts->cs_local_opts[i].odt_wr_cfg = 3;
+ } else {
+ popts->cs_local_opts[i].odt_rd_cfg = 0;
+ popts->cs_local_opts[i].odt_wr_cfg = 4;
+ }
+ }
+ }
- /*
- * Factors to consider for half-strength driver enable:
- * - number of DIMMs installed
+ /* Get clk_adjust, cpo, write_data_delay, according to the board ddr
+ * freqency and n_banks specified in board_specific_parameters table.
*/
- popts->half_strength_driver_enable = 0;
+ ddr_freq = fsl_ddr_get_mem_data_rate() / 1000000;
+ for (j = 0; j < CONFIG_DIMM_SLOTS_PER_CTLR; j++) {
+ if (pdimm[j].n_ranks > 0) {
+ for (i = 0; i < num_params; i++) {
+ if (ddr_freq >= pbsp->datarate_mhz_low &&
+ ddr_freq <= pbsp->datarate_mhz_high &&
+ pdimm[j].n_ranks == pbsp->n_ranks) {
+ popts->clk_adjust = pbsp->clk_adjust;
+ popts->cpo_override = pbsp->cpo;
+ popts->write_data_delay =
+ pbsp->write_data_delay;
+ break;
+ }
+ pbsp++;
+ }
+ }
+ }
+
}
diff --git a/board/freescale/mpc8641hpcn/law.c b/board/freescale/mpc8641hpcn/law.c
index 2d6c3c1..182b4c5 100644
--- a/board/freescale/mpc8641hpcn/law.c
+++ b/board/freescale/mpc8641hpcn/law.c
@@ -47,18 +47,18 @@
struct law_entry law_table[] = {
#if !defined(CONFIG_SPD_EEPROM)
- SET_LAW(CFG_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_1),
+ SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_1),
#endif
- SET_LAW(CFG_PCI1_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_PCI_1),
- SET_LAW(CFG_PCI2_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_PCI_2),
+ SET_LAW(CONFIG_SYS_PCI1_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_PCI_1),
+ SET_LAW(CONFIG_SYS_PCI2_MEM_BASE, LAW_SIZE_512M, LAW_TRGT_IF_PCI_2),
SET_LAW(PIXIS_BASE, LAW_SIZE_2M, LAW_TRGT_IF_LBC),
- SET_LAW(CFG_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI_1),
- SET_LAW(CFG_PCI2_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI_2),
- SET_LAW((CFG_FLASH_BASE & 0xfe000000), LAW_SIZE_32M, LAW_TRGT_IF_LBC),
+ SET_LAW(CONFIG_SYS_PCI1_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI_1),
+ SET_LAW(CONFIG_SYS_PCI2_IO_PHYS, LAW_SIZE_16M, LAW_TRGT_IF_PCI_2),
+ SET_LAW((CONFIG_SYS_FLASH_BASE & 0xfe000000), LAW_SIZE_32M, LAW_TRGT_IF_LBC),
#if !defined(CONFIG_SPD_EEPROM)
- SET_LAW(CFG_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_2),
+ SET_LAW(CONFIG_SYS_DDR_SDRAM_BASE, LAW_SIZE_256M, LAW_TRGT_IF_DDR_2),
#endif
- SET_LAW(CFG_RIO_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_RIO)
+ SET_LAW(CONFIG_SYS_RIO_MEM_PHYS, LAW_SIZE_512M, LAW_TRGT_IF_RIO)
};
int num_law_entries = ARRAY_SIZE(law_table);
diff --git a/board/freescale/mpc8641hpcn/mpc8641hpcn.c b/board/freescale/mpc8641hpcn/mpc8641hpcn.c
index 97f7f49..fcaaacb 100644
--- a/board/freescale/mpc8641hpcn/mpc8641hpcn.c
+++ b/board/freescale/mpc8641hpcn/mpc8641hpcn.c
@@ -65,7 +65,7 @@ initdram(int board_type)
dram_size = fixed_sdram();
#endif
-#if defined(CFG_RAMBOOT)
+#if defined(CONFIG_SYS_RAMBOOT)
puts(" DDR: ");
return dram_size;
#endif
@@ -89,23 +89,23 @@ initdram(int board_type)
long int
fixed_sdram(void)
{
-#if !defined(CFG_RAMBOOT)
- volatile immap_t *immap = (immap_t *) CFG_IMMR;
+#if !defined(CONFIG_SYS_RAMBOOT)
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
volatile ccsr_ddr_t *ddr = &immap->im_ddr1;
- ddr->cs0_bnds = CFG_DDR_CS0_BNDS;
- ddr->cs0_config = CFG_DDR_CS0_CONFIG;
- ddr->timing_cfg_3 = CFG_DDR_TIMING_3;
- ddr->timing_cfg_0 = CFG_DDR_TIMING_0;
- ddr->timing_cfg_1 = CFG_DDR_TIMING_1;
- ddr->timing_cfg_2 = CFG_DDR_TIMING_2;
- ddr->sdram_mode_1 = CFG_DDR_MODE_1;
- ddr->sdram_mode_2 = CFG_DDR_MODE_2;
- ddr->sdram_interval = CFG_DDR_INTERVAL;
- ddr->sdram_data_init = CFG_DDR_DATA_INIT;
- ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL;
- ddr->sdram_ocd_cntl = CFG_DDR_OCD_CTRL;
- ddr->sdram_ocd_status = CFG_DDR_OCD_STATUS;
+ ddr->cs0_bnds = CONFIG_SYS_DDR_CS0_BNDS;
+ ddr->cs0_config = CONFIG_SYS_DDR_CS0_CONFIG;
+ ddr->timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3;
+ ddr->timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0;
+ ddr->timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1;
+ ddr->timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2;
+ ddr->sdram_mode_1 = CONFIG_SYS_DDR_MODE_1;
+ ddr->sdram_mode_2 = CONFIG_SYS_DDR_MODE_2;
+ ddr->sdram_interval = CONFIG_SYS_DDR_INTERVAL;
+ ddr->sdram_data_init = CONFIG_SYS_DDR_DATA_INIT;
+ ddr->sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CTRL;
+ ddr->sdram_ocd_cntl = CONFIG_SYS_DDR_OCD_CTRL;
+ ddr->sdram_ocd_status = CONFIG_SYS_DDR_OCD_STATUS;
#if defined (CONFIG_DDR_ECC)
ddr->err_disable = 0x0000008D;
@@ -117,16 +117,16 @@ fixed_sdram(void)
#if defined (CONFIG_DDR_ECC)
/* Enable ECC checking */
- ddr->sdram_cfg_1 = (CFG_DDR_CONTROL | 0x20000000);
+ ddr->sdram_cfg_1 = (CONFIG_SYS_DDR_CONTROL | 0x20000000);
#else
- ddr->sdram_cfg_1 = CFG_DDR_CONTROL;
- ddr->sdram_cfg_2 = CFG_DDR_CONTROL2;
+ ddr->sdram_cfg_1 = CONFIG_SYS_DDR_CONTROL;
+ ddr->sdram_cfg_2 = CONFIG_SYS_DDR_CONTROL2;
#endif
asm("sync; isync");
udelay(500);
#endif
- return CFG_SDRAM_SIZE * 1024 * 1024;
+ return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
}
#endif /* !defined(CONFIG_SPD_EEPROM) */
@@ -164,7 +164,7 @@ int first_free_busno = 0;
void pci_init_board(void)
{
- volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_CCSRBAR;
volatile ccsr_gur_t *gur = &immap->im_gur;
uint devdisr = gur->devdisr;
uint io_sel = (gur->pordevsr & MPC8641_PORDEVSR_IO_SEL)
@@ -172,7 +172,7 @@ void pci_init_board(void)
#ifdef CONFIG_PCI1
{
- volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI1_ADDR;
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI1_ADDR;
extern void fsl_pci_init(struct pci_controller *hose);
struct pci_controller *hose = &pci1_hose;
#ifdef DEBUG
@@ -194,23 +194,23 @@ void pci_init_board(void)
/* inbound */
pci_set_region(hose->regions + 0,
- CFG_PCI_MEMORY_BUS,
- CFG_PCI_MEMORY_PHYS,
- CFG_PCI_MEMORY_SIZE,
+ CONFIG_SYS_PCI_MEMORY_BUS,
+ CONFIG_SYS_PCI_MEMORY_PHYS,
+ CONFIG_SYS_PCI_MEMORY_SIZE,
PCI_REGION_MEM | PCI_REGION_MEMORY);
/* outbound memory */
pci_set_region(hose->regions + 1,
- CFG_PCI1_MEM_BASE,
- CFG_PCI1_MEM_PHYS,
- CFG_PCI1_MEM_SIZE,
+ CONFIG_SYS_PCI1_MEM_BASE,
+ CONFIG_SYS_PCI1_MEM_PHYS,
+ CONFIG_SYS_PCI1_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(hose->regions + 2,
- CFG_PCI1_IO_BASE,
- CFG_PCI1_IO_PHYS,
- CFG_PCI1_IO_SIZE,
+ CONFIG_SYS_PCI1_IO_BASE,
+ CONFIG_SYS_PCI1_IO_PHYS,
+ CONFIG_SYS_PCI1_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 3;
@@ -228,8 +228,8 @@ void pci_init_board(void)
* Activate ULI1575 legacy chip by performing a fake
* memory access. Needed to make ULI RTC work.
*/
- in_be32((unsigned *) ((char *)(CFG_PCI1_MEM_BASE
- + CFG_PCI1_MEM_SIZE - 0x1000000)));
+ in_be32((unsigned *) ((char *)(CONFIG_SYS_PCI1_MEM_BASE
+ + CONFIG_SYS_PCI1_MEM_SIZE - 0x1000000)));
} else {
puts("PCI-EXPRESS 1: Disabled\n");
@@ -241,30 +241,30 @@ void pci_init_board(void)
#ifdef CONFIG_PCI2
{
- volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CFG_PCI2_ADDR;
+ volatile ccsr_fsl_pci_t *pci = (ccsr_fsl_pci_t *) CONFIG_SYS_PCI2_ADDR;
extern void fsl_pci_init(struct pci_controller *hose);
struct pci_controller *hose = &pci2_hose;
/* inbound */
pci_set_region(hose->regions + 0,
- CFG_PCI_MEMORY_BUS,
- CFG_PCI_MEMORY_PHYS,
- CFG_PCI_MEMORY_SIZE,
+ CONFIG_SYS_PCI_MEMORY_BUS,
+ CONFIG_SYS_PCI_MEMORY_PHYS,
+ CONFIG_SYS_PCI_MEMORY_SIZE,
PCI_REGION_MEM | PCI_REGION_MEMORY);
/* outbound memory */
pci_set_region(hose->regions + 1,
- CFG_PCI2_MEM_BASE,
- CFG_PCI2_MEM_PHYS,
- CFG_PCI2_MEM_SIZE,
+ CONFIG_SYS_PCI2_MEM_BASE,
+ CONFIG_SYS_PCI2_MEM_PHYS,
+ CONFIG_SYS_PCI2_MEM_SIZE,
PCI_REGION_MEM);
/* outbound io */
pci_set_region(hose->regions + 2,
- CFG_PCI2_IO_BASE,
- CFG_PCI2_IO_PHYS,
- CFG_PCI2_IO_SIZE,
+ CONFIG_SYS_PCI2_IO_BASE,
+ CONFIG_SYS_PCI2_IO_PHYS,
+ CONFIG_SYS_PCI2_IO_SIZE,
PCI_REGION_IO);
hose->region_count = 3;
generated by cgit v1.1 at 2024-11-18 17:04:29 +0000