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-rw-r--r--board/mpc8641hpcn/init.S25
-rw-r--r--board/mpc8641hpcn/oftree.dts30
-rw-r--r--cpu/mpc86xx/cache.S28
-rw-r--r--cpu/mpc86xx/spd_sdram.c615
-rw-r--r--cpu/mpc86xx/start.S15
-rw-r--r--include/asm-ppc/immap_86xx.h4
-rw-r--r--include/configs/MPC8641HPCN.h64
7 files changed, 611 insertions, 170 deletions
diff --git a/board/mpc8641hpcn/init.S b/board/mpc8641hpcn/init.S
index 4d555a5..5f19fdf 100644
--- a/board/mpc8641hpcn/init.S
+++ b/board/mpc8641hpcn/init.S
@@ -36,11 +36,10 @@
* 0x8000_0000 0x9fff_ffff PCI1 MEM 512M
* 0xa000_0000 0xbfff_ffff PCI2 MEM 512M
* 0xc000_0000 0xdfff_ffff RapidIO 512M
- * 0xe000_0000 0xe000_ffff CCSR 1M
* 0xe200_0000 0xe2ff_ffff PCI1 IO 16M
* 0xe300_0000 0xe3ff_ffff PCI2 IO 16M
- * 0xf000_0000 0xf7ff_ffff SDRAM 128M
- * 0xf800_0000 0xf80f_ffff BCSR 1M
+ * 0xf800_0000 0xf80f_ffff CCSRBAR 1M
+ * 0xf810_0000 0xf81f_ffff PIXIS 1M
* 0xfe00_0000 0xffff_ffff FLASH (boot bank) 32M
*
* Notes:
@@ -76,9 +75,16 @@
/*#define LAWAR6 (LAWAR_EN | LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_16M)) */
#define LAWAR6 (~LAWAR_EN &( LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_16M)))
- #define LAWBAR7 ((0xfe000000 >>12) & 0xffffff)
- #define LAWAR7 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_32M))
+#define LAWBAR7 ((0xfe000000 >>12) & 0xffffff)
+#define LAWAR7 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_32M))
+#if !defined(CONFIG_SPD_EEPROM)
+#define LAWBAR8 ((CFG_DDR_SDRAM_BASE>>12) & 0xffffff)
+#define LAWAR8 (LAWAR_EN | LAWAR_TRGT_IF_DDR2 | (LAWAR_SIZE & LAWAR_SIZE_256M))
+#else
+#define LAWBAR8 0
+#define LAWAR8 ((LAWAR_TRGT_IF_DDR2 | (LAWAR_SIZE & LAWAR_SIZE_512M)) & ~LAWAR_EN)
+#endif
.section .bootpg, "ax"
.globl law_entry
@@ -151,5 +157,14 @@ law_entry:
ori r6,r6,LAWAR7@l
stwu r6, 0x20(r5)
+ /* LAWBAR8, LAWAR8 */
+ lis r6,LAWBAR8@h
+ ori r6,r6,LAWBAR8@l
+ stwu r6, 0x20(r4)
+
+ lis r6,LAWAR8@h
+ ori r6,r6,LAWAR8@l
+ stwu r6, 0x20(r5)
+
blr
diff --git a/board/mpc8641hpcn/oftree.dts b/board/mpc8641hpcn/oftree.dts
index ef28fc3..d4e40b8 100644
--- a/board/mpc8641hpcn/oftree.dts
+++ b/board/mpc8641hpcn/oftree.dts
@@ -18,7 +18,7 @@
linux,phandle = <100>;
cpus {
- #cpus = <1>;
+ #cpus = <2>;
#address-cells = <1>;
#size-cells = <0>;
linux,phandle = <200>;
@@ -31,18 +31,31 @@
d-cache-size = <8000>; // L1, 32K
i-cache-size = <8000>; // L1, 32K
timebase-frequency = <0>; // 33 MHz, from uboot
- bus-frequency = <0>; // 166 MHz
- clock-frequency = <0>; // 825 MHz, from uboot
+ bus-frequency = <0>; // From uboot
+ clock-frequency = <0>; // From uboot
32-bit;
linux,phandle = <201>;
linux,boot-cpu;
};
+ PowerPC,8641@1 {
+ device_type = "cpu";
+ reg = <1>;
+ d-cache-line-size = <20>; // 32 bytes
+ i-cache-line-size = <20>; // 32 bytes
+ d-cache-size = <8000>; // L1, 32K
+ i-cache-size = <8000>; // L1, 32K
+ timebase-frequency = <0>; // 33 MHz, from uboot
+ bus-frequency = <0>; // From uboot
+ clock-frequency = <0>; // From uboot
+ 32-bit;
+ linux,phandle = <202>;
+ };
};
memory {
device_type = "memory";
linux,phandle = <300>;
- reg = <00000000 10000000>; // 256M at 0x0
+ reg = <00000000 40000000>; // 1G at 0x0, replaced by uboot
};
soc8641@f8000000 {
@@ -63,6 +76,15 @@
dfsrr;
};
+ i2c@3100 {
+ device_type = "i2c";
+ compatible = "fsl-i2c";
+ reg = <3100 100>;
+ interrupts = <2b 0>;
+ interrupt-parent = <40000>;
+ dfsrr;
+ };
+
mdio@24520 {
#address-cells = <1>;
#size-cells = <0>;
diff --git a/cpu/mpc86xx/cache.S b/cpu/mpc86xx/cache.S
index 75186b1..f316b3e 100644
--- a/cpu/mpc86xx/cache.S
+++ b/cpu/mpc86xx/cache.S
@@ -28,7 +28,7 @@
* Most of this code is taken from 74xx_7xx/cache.S
* and then cleaned up a bit
*/
-
+
/*
* Invalidate L1 instruction cache.
*/
@@ -316,24 +316,30 @@ _GLOBAL(dcache_status)
blr
/*
- * Invalidate L2 cache using L2I and polling L2IP
+ * Invalidate L2 cache using L2I, assume L2 is enabled
*/
_GLOBAL(l2cache_invalidate)
- sync
- oris r3, r3, L2CR_L2I@h
+ mfspr r3, l2cr
+ rlwinm. r3, r3, 0, 0, 0
+ beq 1f
+
+ mfspr r3, l2cr
+ rlwinm r3, r3, 0, 1, 31
+
+#ifdef CONFIG_ALTIVEC
+ dssall
+#endif
sync
mtspr l2cr, r3
sync
+1: mfspr r3, l2cr
+ oris r3, r3, L2CR_L2I@h
+ mtspr l2cr, r3
+
invl2:
mfspr r3, l2cr
- andi. r3, r3, L2CR_L2IP
+ andi. r3, r3, L2CR_L2I@h
bne invl2
- /* turn off the global invalidate bit */
- mfspr r3, l2cr
- rlwinm r3, r3, 0, 11, 9
- sync
- mtspr l2cr, r3
- sync
blr
/*
diff --git a/cpu/mpc86xx/spd_sdram.c b/cpu/mpc86xx/spd_sdram.c
index 9ce31d7..130c8fc 100644
--- a/cpu/mpc86xx/spd_sdram.c
+++ b/cpu/mpc86xx/spd_sdram.c
@@ -42,6 +42,15 @@ extern int dma_xfer(void *dest, uint count, void *src);
#endif
/*
+ * Only one of the following three should be 1; others should be 0
+ * By default the cache line interleaving is selected if
+ * the CONFIG_DDR_INTERLEAVE flag is defined in MPC8641HPCN.h
+ */
+#define CFG_PAGE_INTERLEAVING 0
+#define CFG_BANK_INTERLEAVING 0
+#define CFG_SUPER_BANK_INTERLEAVING 0
+
+/*
* Convert picoseconds into clock cycles (rounding up if needed).
*/
@@ -144,10 +153,11 @@ convert_bcd_tenths_to_cycle_time_ps(unsigned int spd_val)
long int
-spd_sdram(void)
+spd_init(unsigned char i2c_address, unsigned int ddr_num,
+ unsigned int dimm_num, unsigned int start_addr)
{
volatile immap_t *immap = (immap_t *)CFG_IMMR;
- volatile ccsr_ddr_t *ddr1 = &immap->im_ddr1;
+ volatile ccsr_ddr_t *ddr;
volatile ccsr_gur_t *gur = &immap->im_gur;
spd_eeprom_t spd;
unsigned int n_ranks;
@@ -175,28 +185,41 @@ spd_sdram(void)
unsigned int mode_caslat;
unsigned char sdram_type;
unsigned char d_init;
+ unsigned int law_size;
+ volatile ccsr_local_mcm_t *mcm = &immap->im_local_mcm;
-
- unsigned int law_size;
- volatile ccsr_local_mcm_t *mcm = &immap->im_local_mcm;
+ if (ddr_num == 1)
+ ddr = &immap->im_ddr1;
+ else
+ ddr = &immap->im_ddr2;
/*
* Read SPD information.
*/
- CFG_READ_SPD(SPD_EEPROM_ADDRESS, 0, 1, (uchar *) &spd, sizeof(spd));
+ debug("Performing SPD read at I2C address 0x%02lx\n",i2c_address);
+ memset((void *)&spd, 0, sizeof(spd));
+ CFG_READ_SPD(i2c_address, 0, 1, (uchar *) &spd, sizeof(spd));
/*
* Check for supported memory module types.
*/
if (spd.mem_type != SPD_MEMTYPE_DDR &&
spd.mem_type != SPD_MEMTYPE_DDR2) {
- printf("Unable to locate DDR I or DDR II module.\n"
- " Fundamental memory type is 0x%0x\n",
- spd.mem_type);
+ debug("Warning: Unable to locate DDR I or DDR II module for DIMM %d of DDR controller %d.\n"
+ " Fundamental memory type is 0x%0x\n",
+ dimm_num,
+ ddr_num,
+ spd.mem_type);
return 0;
}
+ debug("\nFound memory of type 0x%02lx ", spd.mem_type);
+ if (spd.mem_type == SPD_MEMTYPE_DDR)
+ debug("DDR I\n");
+ else
+ debug("DDR II\n");
+
/*
* These test gloss over DDR I and II differences in interpretation
* of bytes 3 and 4, but irrelevantly. Multiple asymmetric banks
@@ -253,11 +276,7 @@ spd_sdram(void)
*/
rank_density = compute_banksize(spd.mem_type, spd.row_dens);
-
- /*
- * Eg: Bounds: 0x0000_0000 to 0x0f000_0000 first 256 Meg
- */
- ddr1->cs0_bnds = (rank_density >> 24) - 1;
+ debug("Start address for this controller is 0x%08lx\n", start_addr);
/*
* ODT configuration recommendation from DDR Controller Chapter.
@@ -268,30 +287,133 @@ spd_sdram(void)
odt_wr_cfg = 1; /* Assert ODT on writes to CS0 */
}
- ddr1->cs0_config = ( 1 << 31
- | (odt_rd_cfg << 20)
- | (odt_wr_cfg << 16)
- | (spd.nrow_addr - 12) << 8
- | (spd.ncol_addr - 8) );
- debug("\n");
- debug("DDR: cs0_bnds = 0x%08x\n", ddr1->cs0_bnds);
- debug("DDR: cs0_config = 0x%08x\n", ddr1->cs0_config);
+#ifdef CONFIG_DDR_INTERLEAVE
+#ifdef CONFIG_MPC8641HPCN
+ if (dimm_num != 1) {
+ printf("For interleaving memory on HPCN, need to use DIMM 1 for DDR Controller %d !\n", ddr_num);
+ return 0;
+ } else {
+ /*
+ * Since interleaved memory only uses CS0, the
+ * memory sticks have to be identical in size and quantity
+ * of ranks. That essentially gives double the size on
+ * one rank, i.e on CS0 for both controllers put together.
+ * Confirm this???
+ */
+ rank_density *= 2;
- if (n_ranks == 2) {
/*
- * Eg: Bounds: 0x0f00_0000 to 0x1e0000_0000, second 256 Meg
+ * Eg: Bounds: 0x0000_0000 to 0x0f000_0000 first 256 Meg
+ */
+ start_addr = 0;
+ ddr->cs0_bnds = (start_addr >> 8)
+ | (((start_addr + rank_density - 1) >> 24));
+ /*
+ * Default interleaving mode to cache-line interleaving.
*/
- ddr1->cs1_bnds = ( (rank_density >> 8)
- | ((rank_density >> (24 - 1)) - 1) );
- ddr1->cs1_config = ( 1<<31
+ ddr->cs0_config = ( 1 << 31
+#if (CFG_PAGE_INTERLEAVING == 1)
+ | (PAGE_INTERLEAVING)
+#elif (CFG_BANK_INTERLEAVING == 1)
+ | (BANK_INTERLEAVING)
+#elif (CFG_SUPER_BANK_INTERLEAVING == 1)
+ | (SUPER_BANK_INTERLEAVING)
+#else
+ | (CACHE_LINE_INTERLEAVING)
+#endif
| (odt_rd_cfg << 20)
| (odt_wr_cfg << 16)
| (spd.nrow_addr - 12) << 8
| (spd.ncol_addr - 8) );
- debug("DDR: cs1_bnds = 0x%08x\n", ddr1->cs1_bnds);
- debug("DDR: cs1_config = 0x%08x\n", ddr1->cs1_config);
+
+ debug("DDR: cs0_bnds = 0x%08x\n", ddr->cs0_bnds);
+ debug("DDR: cs0_config = 0x%08x\n", ddr->cs0_config);
+
+ /*
+ * Adjustment for dual rank memory to get correct memory
+ * size (return value of this function).
+ */
+ if (n_ranks == 2) {
+ n_ranks = 1;
+ rank_density /= 2;
+ } else {
+ rank_density /= 2;
+ }
}
+#endif /* CONFIG_MPC8641HPCN */
+#else /* CONFIG_DDR_INTERLEAVE */
+
+ if (dimm_num == 1) {
+ /*
+ * Eg: Bounds: 0x0000_0000 to 0x0f000_0000 first 256 Meg
+ */
+ ddr->cs0_bnds = (start_addr >> 8)
+ | (((start_addr + rank_density - 1) >> 24));
+
+ ddr->cs0_config = ( 1 << 31
+ | (odt_rd_cfg << 20)
+ | (odt_wr_cfg << 16)
+ | (spd.nrow_addr - 12) << 8
+ | (spd.ncol_addr - 8) );
+
+ debug("DDR: cs0_bnds = 0x%08x\n", ddr->cs0_bnds);
+ debug("DDR: cs0_config = 0x%08x\n", ddr->cs0_config);
+
+ if (n_ranks == 2) {
+ /*
+ * Eg: Bounds: 0x1000_0000 to 0x1f00_0000,
+ * second 256 Meg
+ */
+ ddr->cs1_bnds = (((start_addr + rank_density) >> 8)
+ | (( start_addr + 2*rank_density - 1)
+ >> 24));
+ ddr->cs1_config = ( 1<<31
+ | (odt_rd_cfg << 20)
+ | (odt_wr_cfg << 16)
+ | (spd.nrow_addr - 12) << 8
+ | (spd.ncol_addr - 8) );
+ debug("DDR: cs1_bnds = 0x%08x\n", ddr->cs1_bnds);
+ debug("DDR: cs1_config = 0x%08x\n", ddr->cs1_config);
+ }
+
+ } else {
+ /*
+ * This is the 2nd DIMM slot for this controller
+ */
+ /*
+ * Eg: Bounds: 0x0000_0000 to 0x0f000_0000 first 256 Meg
+ */
+ ddr->cs2_bnds = (start_addr >> 8)
+ | (((start_addr + rank_density - 1) >> 24));
+
+ ddr->cs2_config = ( 1 << 31
+ | (odt_rd_cfg << 20)
+ | (odt_wr_cfg << 16)
+ | (spd.nrow_addr - 12) << 8
+ | (spd.ncol_addr - 8) );
+
+ debug("DDR: cs2_bnds = 0x%08x\n", ddr->cs2_bnds);
+ debug("DDR: cs2_config = 0x%08x\n", ddr->cs2_config);
+
+ if (n_ranks == 2) {
+ /*
+ * Eg: Bounds: 0x1000_0000 to 0x1f00_0000,
+ * second 256 Meg
+ */
+ ddr->cs3_bnds = (((start_addr + rank_density) >> 8)
+ | (( start_addr + 2*rank_density - 1)
+ >> 24));
+ ddr->cs3_config = ( 1<<31
+ | (odt_rd_cfg << 20)
+ | (odt_wr_cfg << 16)
+ | (spd.nrow_addr - 12) << 8
+ | (spd.ncol_addr - 8) );
+ debug("DDR: cs3_bnds = 0x%08x\n", ddr->cs3_bnds);
+ debug("DDR: cs3_config = 0x%08x\n", ddr->cs3_config);
+ }
+ }
+#endif /* CONFIG_DDR_INTERLEAVE */
/*
* Find the largest CAS by locating the highest 1 bit
@@ -447,15 +569,14 @@ spd_sdram(void)
unsigned char act_pd_exit = 2; /* Empirical? */
unsigned char pre_pd_exit = 6; /* Empirical? */
- ddr1->timing_cfg_0 = (0
+ ddr->timing_cfg_0 = (0
| ((act_pd_exit & 0x7) << 20) /* ACT_PD_EXIT */
| ((pre_pd_exit & 0x7) << 16) /* PRE_PD_EXIT */
| ((taxpd_clk & 0xf) << 8) /* ODT_PD_EXIT */
| ((tmrd_clk & 0xf) << 0) /* MRS_CYC */
);
- debug("DDR: timing_cfg_0 = 0x%08x\n", ddr1->timing_cfg_0);
+ debug("DDR: timing_cfg_0 = 0x%08x\n", ddr->timing_cfg_0);
- } else {
}
@@ -520,10 +641,10 @@ spd_sdram(void)
/*
* Sneak in some Extended Refresh Recovery.
*/
- ddr1->ext_refrec = (trfc_high << 16);
- debug("DDR: ext_refrec = 0x%08x\n", ddr1->ext_refrec);
+ ddr->ext_refrec = (trfc_high << 16);
+ debug("DDR: ext_refrec = 0x%08x\n", ddr->ext_refrec);
- ddr1->timing_cfg_1 =
+ ddr->timing_cfg_1 =
(0
| ((picos_to_clk(spd.trp * 250) & 0x07) << 28) /* PRETOACT */
| ((picos_to_clk(spd.tras * 1000) & 0x0f ) << 24) /* ACTTOPRE */
@@ -535,7 +656,7 @@ spd_sdram(void)
| ((twtr_clk & 0x07) << 0) /* WRTORD */
);
- debug("DDR: timing_cfg_1 = 0x%08x\n", ddr1->timing_cfg_1);
+ debug("DDR: timing_cfg_1 = 0x%08x\n", ddr->timing_cfg_1);
/*
@@ -612,7 +733,7 @@ spd_sdram(void)
}
}
- ddr1->timing_cfg_2 = (0
+ ddr->timing_cfg_2 = (0
| ((add_lat & 0x7) << 28) /* ADD_LAT */
| ((cpo & 0x1f) << 23) /* CPO */
| ((wr_lat & 0x7) << 19) /* WR_LAT */
@@ -622,7 +743,7 @@ spd_sdram(void)
| ((four_act & 0x1f) << 0) /* FOUR_ACT */
);
- debug("DDR: timing_cfg_2 = 0x%08x\n", ddr1->timing_cfg_2);
+ debug("DDR: timing_cfg_2 = 0x%08x\n", ddr->timing_cfg_2);
/*
@@ -673,7 +794,7 @@ spd_sdram(void)
}
/*
- * Encoded Burst Lenght of 4.
+ * Encoded Burst Length of 4.
*/
burst_len = 2; /* Fiat. */
@@ -706,7 +827,7 @@ spd_sdram(void)
mode_odt_enable = 0x40; /* 150 Ohm */
}
- ddr1->sdram_mode_1 =
+ ddr->sdram_mode_1 =
(0
| (add_lat << (16 + 3)) /* Additive Latency in EMRS1 */
| (mode_odt_enable << 16) /* ODT Enable in EMRS1 */
@@ -715,14 +836,14 @@ spd_sdram(void)
| (burst_len << 0) /* Burst length */
);
- debug("DDR: sdram_mode = 0x%08x\n", ddr1->sdram_mode_1);
+ debug("DDR: sdram_mode = 0x%08x\n", ddr->sdram_mode_1);
/*
* Clear EMRS2 and EMRS3.
*/
- ddr1->sdram_mode_2 = 0;
- debug("DDR: sdram_mode_2 = 0x%08x\n", ddr1->sdram_mode_2);
+ ddr->sdram_mode_2 = 0;
+ debug("DDR: sdram_mode_2 = 0x%08x\n", ddr->sdram_mode_2);
/*
@@ -749,12 +870,12 @@ spd_sdram(void)
* Set BSTOPRE to 0x100 for page mode
* If auto-charge is used, set BSTOPRE = 0
*/
- ddr1->sdram_interval =
+ ddr->sdram_interval =
(0
| (refresh_clk & 0x3fff) << 16
| 0x100
);
- debug("DDR: sdram_interval = 0x%08x\n", ddr1->sdram_interval);
+ debug("DDR: sdram_interval = 0x%08x\n", ddr->sdram_interval);
}
/*
@@ -763,11 +884,11 @@ spd_sdram(void)
*/
#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
if (spd.config == 0x02) {
- ddr1->err_disable = 0x0000000d;
- ddr1->err_sbe = 0x00ff0000;
+ ddr->err_disable = 0x0000000d;
+ ddr->err_sbe = 0x00ff0000;
}
- debug("DDR: err_disable = 0x%08x\n", ddr1->err_disable);
- debug("DDR: err_sbe = 0x%08x\n", ddr1->err_sbe);
+ debug("DDR: err_disable = 0x%08x\n", ddr->err_disable);
+ debug("DDR: err_sbe = 0x%08x\n", ddr->err_sbe);
#endif
asm("sync;isync");
@@ -800,8 +921,8 @@ spd_sdram(void)
* Use the DDR controller to auto initialize memory.
*/
d_init = 1;
- ddr1->sdram_data_init = CONFIG_MEM_INIT_VALUE;
- debug("DDR: ddr_data_init = 0x%08x\n", ddr1->sdram_data_init);
+ ddr->sdram_data_init = CONFIG_MEM_INIT_VALUE;
+ debug("DDR: ddr_data_init = 0x%08x\n", ddr->sdram_data_init);
#else
/*
* Memory will be initialized via DMA, or not at all.
@@ -809,13 +930,13 @@ spd_sdram(void)
d_init = 0;
#endif
- ddr1->sdram_cfg_2 = (0
+ ddr->sdram_cfg_2 = (0
| (dqs_cfg << 26) /* Differential DQS */
| (odt_cfg << 21) /* ODT */
| (d_init << 4) /* D_INIT auto init DDR */
);
- debug("DDR: sdram_cfg_2 = 0x%08x\n", ddr1->sdram_cfg_2);
+ debug("DDR: sdram_cfg_2 = 0x%08x\n", ddr->sdram_cfg_2);
#ifdef MPC86xx_DDR_SDRAM_CLK_CNTL
@@ -835,121 +956,373 @@ spd_sdram(void)
clk_adjust = 0x7;
}
- ddr1->sdram_clk_cntl = (0
+ ddr->sdram_clk_cntl = (0
| 0x80000000
| (clk_adjust << 23)
);
- debug("DDR: sdram_clk_cntl = 0x%08x\n", ddr1->sdram_clk_cntl);
+ debug("DDR: sdram_clk_cntl = 0x%08x\n", ddr->sdram_clk_cntl);
}
#endif
+
/*
- * Figure out the settings for the sdram_cfg register.
- * Build up the entire register in 'sdram_cfg' before writing
- * since the write into the register will actually enable the
- * memory controller; all settings must be done before enabling.
- *
- * sdram_cfg[0] = 1 (ddr sdram logic enable)
- * sdram_cfg[1] = 1 (self-refresh-enable)
- * sdram_cfg[5:7] = (SDRAM type = DDR SDRAM)
- * 010 DDR 1 SDRAM
- * 011 DDR 2 SDRAM
+ * Figure out memory size in Megabytes.
*/
- sdram_type = (spd.mem_type == SPD_MEMTYPE_DDR) ? 2 : 3;
- sdram_cfg_1 = (0
- | (1 << 31) /* Enable */
- | (1 << 30) /* Self refresh */
- | (sdram_type << 24) /* SDRAM type */
- );
+ debug("# ranks = %d, rank_density = 0x%08lx\n", n_ranks, rank_density);
+ memsize = n_ranks * rank_density / 0x100000;
+ return memsize;
+}
+
+
+unsigned int enable_ddr(unsigned int ddr_num)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ spd_eeprom_t spd1,spd2;
+ volatile ccsr_ddr_t *ddr;
+ unsigned sdram_cfg_1;
+ unsigned char sdram_type, mem_type, config, mod_attr;
+ unsigned char d_init;
+ unsigned int no_dimm1=0, no_dimm2=0;
+
+ /* Set up pointer to enable the current ddr controller */
+ if (ddr_num == 1)
+ ddr = &immap->im_ddr1;
+ else
+ ddr = &immap->im_ddr2;
/*
- * sdram_cfg[3] = RD_EN - registered DIMM enable
- * A value of 0x26 indicates micron registered DIMMS (micron.com)
+ * Read both dimm slots and decide whether
+ * or not to enable this controller.
*/
- if (spd.mem_type == SPD_MEMTYPE_DDR && spd.mod_attr == 0x26) {
- sdram_cfg_1 |= 0x10000000; /* RD_EN */
+ memset((void *)&spd1,0,sizeof(spd1));
+ memset((void *)&spd2,0,sizeof(spd2));
+
+ if (ddr_num == 1) {
+ CFG_READ_SPD(SPD_EEPROM_ADDRESS1,
+ 0, 1, (uchar *) &spd1, sizeof(spd1));
+ CFG_READ_SPD(SPD_EEPROM_ADDRESS2,
+ 0, 1, (uchar *) &spd2, sizeof(spd2));
+ } else {
+ CFG_READ_SPD(SPD_EEPROM_ADDRESS3,
+ 0, 1, (uchar *) &spd1, sizeof(spd1));
+ CFG_READ_SPD(SPD_EEPROM_ADDRESS4,
+ 0, 1, (uchar *) &spd2, sizeof(spd2));
}
-#if defined(CONFIG_DDR_ECC)
/*
- * If the user wanted ECC (enabled via sdram_cfg[2])
+ * Check for supported memory module types.
*/
- if (spd.config == 0x02) {
- sdram_cfg_1 |= 0x20000000; /* ECC_EN */
+ if (spd1.mem_type != SPD_MEMTYPE_DDR
+ && spd1.mem_type != SPD_MEMTYPE_DDR2) {
+ no_dimm1 = 1;
+ } else {
+ debug("\nFound memory of type 0x%02lx ",spd1.mem_type );
+ if (spd1.mem_type == SPD_MEMTYPE_DDR)
+ debug("DDR I\n");
+ else
+ debug("DDR II\n");
+ }
+
+ if (spd2.mem_type != SPD_MEMTYPE_DDR &&
+ spd2.mem_type != SPD_MEMTYPE_DDR2) {
+ no_dimm2 = 1;
+ } else {
+ debug("\nFound memory of type 0x%02lx ",spd2.mem_type );
+ if (spd2.mem_type == SPD_MEMTYPE_DDR)
+ debug("DDR I\n");
+ else
+ debug("DDR II\n");
+ }
+
+#ifdef CONFIG_DDR_INTERLEAVE
+ if (no_dimm1) {
+ printf("For interleaved operation memory modules need to be present in CS0 DIMM slots of both DDR controllers!\n");
+ return 0;
}
#endif
/*
- * REV1 uses 1T timing.
- * REV2 may use 1T or 2T as configured by the user.
+ * Memory is not present in DIMM1 and DIMM2 - so do not enable DDRn
*/
- {
- uint pvr = get_pvr();
+ if (no_dimm1 && no_dimm2) {
+ printf("No memory modules found for DDR controller %d!!\n", ddr_num);
+ return 0;
+ } else {
+ mem_type = no_dimm2 ? spd1.mem_type : spd2.mem_type;
- if (pvr != PVR_85xx_REV1) {
+ /*
+ * Figure out the settings for the sdram_cfg register.
+ * Build up the entire register in 'sdram_cfg' before
+ * writing since the write into the register will
+ * actually enable the memory controller; all settings
+ * must be done before enabling.
+ *
+ * sdram_cfg[0] = 1 (ddr sdram logic enable)
+ * sdram_cfg[1] = 1 (self-refresh-enable)
+ * sdram_cfg[5:7] = (SDRAM type = DDR SDRAM)
+ * 010 DDR 1 SDRAM
+ * 011 DDR 2 SDRAM
+ */
+ sdram_type = (mem_type == SPD_MEMTYPE_DDR) ? 2 : 3;
+ sdram_cfg_1 = (0
+ | (1 << 31) /* Enable */
+ | (1 << 30) /* Self refresh */
+ | (sdram_type << 24) /* SDRAM type */
+ );
+
+ /*
+ * sdram_cfg[3] = RD_EN - registered DIMM enable
+ * A value of 0x26 indicates micron registered
+ * DIMMS (micron.com)
+ */
+ mod_attr = no_dimm2 ? spd1.mod_attr : spd2.mod_attr;
+ if (mem_type == SPD_MEMTYPE_DDR && mod_attr == 0x26) {
+ sdram_cfg_1 |= 0x10000000; /* RD_EN */
+ }
+
+#if defined(CONFIG_DDR_ECC)
+
+ config = no_dimm2 ? spd1.config : spd2.config;
+
+ /*
+ * If the user wanted ECC (enabled via sdram_cfg[2])
+ */
+ if (config == 0x02) {
+ sdram_cfg_1 |= 0x20000000; /* ECC_EN */
+ }
+#endif
+
+ /*
+ * REV1 uses 1T timing.
+ * REV2 may use 1T or 2T as configured by the user.
+ */
+ {
+ uint pvr = get_pvr();
+
+ if (pvr != PVR_85xx_REV1) {
#if defined(CONFIG_DDR_2T_TIMING)
- /*
- * Enable 2T timing by setting sdram_cfg[16].
- */
- sdram_cfg_1 |= 0x8000; /* 2T_EN */
+ /*
+ * Enable 2T timing by setting sdram_cfg[16].
+ */
+ sdram_cfg_1 |= 0x8000; /* 2T_EN */
#endif
+ }
}
- }
- /*
- * 200 painful micro-seconds must elapse between
- * the DDR clock setup and the DDR config enable.
- */
- udelay(200);
+ /*
+ * 200 painful micro-seconds must elapse between
+ * the DDR clock setup and the DDR config enable.
+ */
+ udelay(200);
- /*
- * Go!
- */
- ddr1->sdram_cfg_1 = sdram_cfg_1;
+ /*
+ * Go!
+ */
+ ddr->sdram_cfg_1 = sdram_cfg_1;
- asm("sync;isync");
- udelay(500);
+ asm volatile("sync;isync");
+ udelay(500);
- debug("DDR: sdram_cfg = 0x%08x\n", ddr1->sdram_cfg_1);
+ debug("DDR: sdram_cfg = 0x%08x\n", ddr->sdram_cfg_1);
#if defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
- debug("DDR: memory initializing\n");
- /*
- * Poll until memory is initialized.
- * 512 Meg at 400 might hit this 200 times or so.
- */
- while ((ddr1->sdram_cfg_2 & (d_init << 4)) != 0) {
- udelay(1000);
+ d_init = 1;
+ debug("DDR: memory initializing\n");
+
+ /*
+ * Poll until memory is initialized.
+ * 512 Meg at 400 might hit this 200 times or so.
+ */
+ while ((ddr->sdram_cfg_2 & (d_init << 4)) != 0) {
+ udelay(1000);
+ }
+ debug("DDR: memory initialized\n\n");
+#endif
+
+ debug("Enabled DDR Controller %d\n", ddr_num);
+ return 1;
+ }
+}
+
+
+long int
+spd_sdram(void)
+{
+ int memsize_ddr1_dimm1 = 0;
+ int memsize_ddr1_dimm2 = 0;
+ int memsize_ddr2_dimm1 = 0;
+ int memsize_ddr2_dimm2 = 0;
+ int memsize_total = 0;
+ int memsize_ddr1 = 0;
+ int memsize_ddr2 = 0;
+ unsigned int ddr1_enabled = 0;
+ unsigned int ddr2_enabled = 0;
+ unsigned int law_size_ddr1;
+ unsigned int law_size_ddr2;
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile ccsr_ddr_t *ddr1 = &immap->im_ddr1;
+ volatile ccsr_ddr_t *ddr2 = &immap->im_ddr2;
+ volatile ccsr_local_mcm_t *mcm = &immap->im_local_mcm;
+
+#ifdef CONFIG_DDR_INTERLEAVE
+ unsigned int law_size_interleaved;
+
+ memsize_ddr1_dimm1 = spd_init(SPD_EEPROM_ADDRESS1,
+ 1, 1,
+ (unsigned int)memsize_total * 1024*1024);
+ memsize_total += memsize_ddr1_dimm1;
+
+ memsize_ddr2_dimm1 = spd_init(SPD_EEPROM_ADDRESS3,
+ 2, 1,
+ (unsigned int)memsize_total * 1024*1024);
+ memsize_total += memsize_ddr2_dimm1;
+
+ if (memsize_ddr1_dimm1 != memsize_ddr2_dimm1) {
+ if (memsize_ddr1_dimm1 < memsize_ddr2_dimm1)
+ memsize_total -= memsize_ddr1_dimm1;
+ else
+ memsize_total -= memsize_ddr2_dimm1;
+ debug("Total memory available for interleaving 0x%08lx\n",
+ memsize_total * 1024 * 1024);
+ debug("Adjusting CS0_BNDS to account for unequal DIMM sizes in interleaved memory\n");
+ ddr1->cs0_bnds = ((memsize_total * 1024 * 1024) - 1) >> 24;
+ ddr2->cs0_bnds = ((memsize_total * 1024 * 1024) - 1) >> 24;
+ debug("DDR1: cs0_bnds = 0x%08x\n", ddr1->cs0_bnds);
+ debug("DDR2: cs0_bnds = 0x%08x\n", ddr2->cs0_bnds);
}
- debug("DDR: memory initialized\n");
+
+ ddr1_enabled = enable_ddr(1);
+ ddr2_enabled = enable_ddr(2);
+
+ /*
+ * Both controllers need to be enabled for interleaving.
+ */
+ if (ddr1_enabled && ddr2_enabled) {
+ law_size_interleaved = 19 + __ilog2(memsize_total);
+
+ /*
+ * Set up LAWBAR for DDR 1 space.
+ */
+ mcm->lawbar1 = ((CFG_DDR_SDRAM_BASE >> 12) & 0xfffff);
+ mcm->lawar1 = (LAWAR_EN
+ | LAWAR_TRGT_IF_DDR_INTERLEAVED
+ | (LAWAR_SIZE & law_size_interleaved));
+ debug("DDR: LAWBAR1=0x%08x\n", mcm->lawbar1);
+ debug("DDR: LAWAR1=0x%08x\n", mcm->lawar1);
+ debug("Interleaved memory size is 0x%08lx\n", memsize_total);
+
+#ifdef CONFIG_DDR_INTERLEAVE
+#if (CFG_PAGE_INTERLEAVING == 1)
+ printf("Page ");
+#elif (CFG_BANK_INTERLEAVING == 1)
+ printf("Bank ");
+#elif (CFG_SUPER_BANK_INTERLEAVING == 1)
+ printf("Super-bank ");
+#else
+ printf("Cache-line ");
#endif
+#endif
+ printf("Interleaved");
+ return memsize_total * 1024 * 1024;
+ } else {
+ printf("Interleaved memory not enabled - check CS0 DIMM slots for both controllers.\n");
+ return 0;
+ }
+
+#else
+ /*
+ * Call spd_sdram() routine to init ddr1 - pass I2c address,
+ * controller number, dimm number, and starting address.
+ */
+ memsize_ddr1_dimm1 = spd_init(SPD_EEPROM_ADDRESS1,
+ 1, 1,
+ (unsigned int)memsize_total * 1024*1024);
+ memsize_total += memsize_ddr1_dimm1;
+ memsize_ddr1_dimm2 = spd_init(SPD_EEPROM_ADDRESS2,
+ 1, 2,
+ (unsigned int)memsize_total * 1024*1024);
+ memsize_total += memsize_ddr1_dimm2;
/*
- * Figure out memory size in Megabytes.
+ * Enable the DDR controller - pass ddr controller number.
*/
- memsize = n_ranks * rank_density / 0x100000;
+ ddr1_enabled = enable_ddr(1);
+ /* Keep track of memory to be addressed by DDR1 */
+ memsize_ddr1 = memsize_ddr1_dimm1 + memsize_ddr1_dimm2;
- /*
+ /*
* First supported LAW size is 16M, at LAWAR_SIZE_16M == 23. Fnord.
*/
- law_size = 19 + __ilog2(memsize);
+ if (ddr1_enabled) {
+ law_size_ddr1 = 19 + __ilog2(memsize_ddr1);
+
+ /*
+ * Set up LAWBAR for DDR 1 space.
+ */
+ mcm->lawbar1 = ((CFG_DDR_SDRAM_BASE >> 12) & 0xfffff);
+ mcm->lawar1 = (LAWAR_EN
+ | LAWAR_TRGT_IF_DDR1
+ | (LAWAR_SIZE & law_size_ddr1));
+ debug("DDR: LAWBAR1=0x%08x\n", mcm->lawbar1);
+ debug("DDR: LAWAR1=0x%08x\n", mcm->lawar1);
+ }
+
+#if (CONFIG_NUM_DDR_CONTROLLERS > 1)
+ memsize_ddr2_dimm1 = spd_init(SPD_EEPROM_ADDRESS3,
+ 2, 1,
+ (unsigned int)memsize_total * 1024*1024);
+ memsize_total += memsize_ddr2_dimm1;
+
+ memsize_ddr2_dimm2 = spd_init(SPD_EEPROM_ADDRESS4,
+ 2, 2,
+ (unsigned int)memsize_total * 1024*1024);
+ memsize_total += memsize_ddr2_dimm2;
+
+ ddr2_enabled = enable_ddr(2);
+
+ /* Keep track of memory to be addressed by DDR2 */
+ memsize_ddr2 = memsize_ddr2_dimm1 + memsize_ddr2_dimm2;
+
+ if (ddr2_enabled) {
+ law_size_ddr2 = 19 + __ilog2(memsize_ddr2);
+
+ /*
+ * Set up LAWBAR for DDR 2 space.
+ */
+ if (ddr1_enabled)
+ mcm->lawbar8 = (((memsize_ddr1 * 1024 * 1024) >> 12)
+ & 0xfffff);
+ else
+ mcm->lawbar8 = ((CFG_DDR_SDRAM_BASE >> 12) & 0xfffff);
+
+ mcm->lawar8 = (LAWAR_EN
+ | LAWAR_TRGT_IF_DDR2
+ | (LAWAR_SIZE & law_size_ddr2));
+ debug("\nDDR: LAWBAR8=0x%08x\n", mcm->lawbar8);
+ debug("DDR: LAWAR8=0x%08x\n", mcm->lawar8);
+ }
+#endif /* CONFIG_NUM_DDR_CONTROLLERS > 1 */
+
+ debug("\nMemory sizes are DDR1 = 0x%08lx, DDR2 = 0x%08lx\n",
+ memsize_ddr1, memsize_ddr2);
/*
- * Set up LAWBAR for all of DDR.
+ * If neither DDR controller is enabled return 0.
*/
- mcm->lawbar1 = ((CFG_DDR_SDRAM_BASE >> 12) & 0xfffff);
- mcm->lawar1 = (LAWAR_EN
- | LAWAR_TRGT_IF_DDR
- | (LAWAR_SIZE & law_size));
- debug("DDR: LAWBAR1=0x%08x\n", mcm->lawbar1);
- debug("DDR: LARAR1=0x%08x\n", mcm->lawar1);
+ if (!ddr1_enabled && !ddr2_enabled)
+ return 0;
+ else {
+ printf("Non-interleaved");
+ return memsize_total * 1024 * 1024;
+ }
- return memsize * 1024 * 1024;
+#endif /* CONFIG_DDR_INTERLEAVE */
}
+
#endif /* CONFIG_SPD_EEPROM */
diff --git a/cpu/mpc86xx/start.S b/cpu/mpc86xx/start.S
index b963631..07e7557 100644
--- a/cpu/mpc86xx/start.S
+++ b/cpu/mpc86xx/start.S
@@ -207,11 +207,7 @@ boot_warm:
/* init the L2 cache */
addis r3, r0, L2_INIT@h
ori r3, r3, L2_INIT@l
- sync
mtspr l2cr, r3
-#ifdef CONFIG_ALTIVEC
- dssall
-#endif
/* invalidate the L2 cache */
bl l2cache_invalidate
sync
@@ -245,6 +241,13 @@ in_flash:
bl setup_ccsrbar
#endif
+ /* Fix for SMP linux - Changing arbitration to round-robin */
+ lis r3, CFG_CCSRBAR@h
+ ori r3, r3, 0x1000
+ xor r4, r4, r4
+ li r4, 0x1000
+ stw r4, 0(r3)
+
/* setup the law entries */
bl law_entry
sync
@@ -280,9 +283,9 @@ in_flash:
/* make sure timer enabled in guts register too */
lis r3, CFG_CCSRBAR@h
oris r3,r3, 0xE
- ori r3,r3,0x0070 /*Jason from 3*/
+ ori r3,r3,0x0070
lwz r4, 0(r3)
- lis r5,0xFFFC /*Jason from 0xffff*/
+ lis r5,0xFFFC
ori r5,r5,0x5FFF
and r4,r4,r5
stw r4,0(r3)
diff --git a/include/asm-ppc/immap_86xx.h b/include/asm-ppc/immap_86xx.h
index 6bbe072..9e81b47 100644
--- a/include/asm-ppc/immap_86xx.h
+++ b/include/asm-ppc/immap_86xx.h
@@ -52,7 +52,7 @@ typedef struct ccsr_local_mcm {
uint lawbar7; /* 0xce8 - Local Access Window 7 Base Address Register */
char res19[4];
uint lawar7; /* 0xcf0 - Local Access Window 7 Attributes Register */
- char res20[16];
+ char res20[20];
uint lawbar8; /* 0xd08 - Local Access Window 8 Base Address Register */
char res21[4];
uint lawar8; /* 0xd10 - Local Access Window 8 Attributes Register */
@@ -60,7 +60,7 @@ typedef struct ccsr_local_mcm {
uint lawbar9; /* 0xd28 - Local Access Window 9 Base Address Register */
char res23[4];
uint lawar9; /* 0xd30 - Local Access Window 9 Attributes Register */
- char res24[720];
+ char res24[716];
uint abcr; /* 0x1000 - MCM CCB Address Configuration Register */
char res25[4];
uint dbcr; /* 0x1008 - MCM MPX data bus Configuration Register */
diff --git a/include/configs/MPC8641HPCN.h b/include/configs/MPC8641HPCN.h
index d4a28ed..2a197be 100644
--- a/include/configs/MPC8641HPCN.h
+++ b/include/configs/MPC8641HPCN.h
@@ -57,6 +57,13 @@
#define CONFIG_DDR_ECC /* only for ECC DDR module */
#define CONFIG_ECC_INIT_VIA_DDRCONTROLLER /* DDR controller or DMA? */
#define CONFIG_MEM_INIT_VALUE 0xDeadBeef
+#define CONFIG_NUM_DDR_CONTROLLERS 2
+/* #define CONFIG_DDR_INTERLEAVE 1 */
+#define CACHE_LINE_INTERLEAVING 0x20000000
+#define PAGE_INTERLEAVING 0x21000000
+#define BANK_INTERLEAVING 0x22000000
+#define SUPER_BANK_INTERLEAVING 0x23000000
+
#define CONFIG_ALTIVEC 1
@@ -99,7 +106,10 @@
/*
* Determine DDR configuration from I2C interface.
*/
- #define SPD_EEPROM_ADDRESS 0x51 /* DDR DIMM */
+ #define SPD_EEPROM_ADDRESS1 0x51 /* DDR DIMM */
+ #define SPD_EEPROM_ADDRESS2 0x52 /* DDR DIMM */
+ #define SPD_EEPROM_ADDRESS3 0x53 /* DDR DIMM */
+ #define SPD_EEPROM_ADDRESS4 0x54 /* DDR DIMM */
#else
/*
@@ -136,15 +146,16 @@
/*
- * In MPC8641HPCN, we allocate 16MB flash spaces at fe000000 and ff000000
- * We only have an 8MB flash. In effect, the addresses from fe000000 to fe7fffff
+ * In MPC8641HPCN, allocate 16MB flash spaces at fe000000 and ff000000.
+ * There is an 8MB flash. In effect, the addresses from fe000000 to fe7fffff
* map to fe800000 to ffffffff, and ff000000 to ff7fffff map to ffffffff.
* However, when u-boot comes up, the flash_init needs hard start addresses
- * to build its info table. For user convenience, we have the flash addresses
- * as fe800000 and ff800000. That way, when we do flash operations, u-boot
- * knows where the flash is and the user can download u-boot code from promjet to
- * fef00000 <- more intuitive than fe700000. Note that, on switching the boot
- * location, fef00000 becomes fff00000.
+ * to build its info table. For user convenience, the flash addresses is
+ * fe800000 and ff800000. That way, u-boot knows where the flash is
+ * and the user can download u-boot code from promjet to fef00000, a
+ * more intuitive location than fe700000.
+ *
+ * Note that, on switching the boot location, fef00000 becomes fff00000.
*/
#define CFG_FLASH_BASE 0xfe800000 /* start of FLASH 32M */
#define CFG_FLASH_BASE2 0xff800000
@@ -257,14 +268,18 @@
#define CFG_64BIT_VSPRINTF 1
#define CFG_64BIT_STRTOUL 1
-/* I2C */
+/*
+ * I2C
+ */
#define CONFIG_HARD_I2C /* I2C with hardware support*/
#undef CONFIG_SOFT_I2C /* I2C bit-banged */
#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
#define CFG_I2C_SLAVE 0x7F
#define CFG_I2C_NOPROBES {0x69} /* Don't probe these addrs */
-/* RapidIO MMU */
+/*
+ * RapidIO MMU
+ */
#define CFG_RIO_MEM_BASE 0xc0000000 /* base address */
#define CFG_RIO_MEM_PHYS CFG_RIO_MEM_BASE
#define CFG_RIO_MEM_SIZE 0x20000000 /* 128M */
@@ -347,19 +362,21 @@
#endif /* CONFIG_TSEC_ENET */
-/* BAT0 2G Cacheable, non-guarded
+/*
+ * BAT0 2G Cacheable, non-guarded
* 0x0000_0000 2G DDR
*/
#define CFG_DBAT0L ( BATL_PP_RW | BATL_CACHEINHIBIT \
| BATL_GUARDEDSTORAGE | BATL_MEMCOHERENCE )
-#define CFG_DBAT0U ( BATU_BL_512M | BATU_VS | BATU_VP )
+#define CFG_DBAT0U ( BATU_BL_2G | BATU_VS | BATU_VP )
#define CFG_IBAT0L ( BATL_PP_RW | BATL_CACHEINHIBIT | BATL_MEMCOHERENCE)
#define CFG_IBAT0U CFG_DBAT0U
-/* BAT1 1G Cache-inhibited, guarded
+/*
+ * BAT1 1G Cache-inhibited, guarded
* 0x8000_0000 512M PCI-Express 1 Memory
* 0xa000_0000 512M PCI-Express 2 Memory
- ** SS - Changed it for operating from 0xd0000000
+ * Changed it for operating from 0xd0000000
*/
#define CFG_DBAT1L ( CFG_PCI1_MEM_BASE | BATL_PP_RW \
| BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
@@ -367,7 +384,8 @@
#define CFG_IBAT1L (CFG_PCI1_MEM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT1U CFG_DBAT1U
-/* BAT2 512M Cache-inhibited, guarded
+/*
+ * BAT2 512M Cache-inhibited, guarded
* 0xc000_0000 512M RapidIO Memory
*/
#define CFG_DBAT2L (CFG_RIO_MEM_BASE | BATL_PP_RW \
@@ -376,7 +394,8 @@
#define CFG_IBAT2L (CFG_RIO_MEM_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT2U CFG_DBAT2U
-/* BAT3 4M Cache-inhibited, guarded
+/*
+ * BAT3 4M Cache-inhibited, guarded
* 0xf800_0000 4M CCSR
*/
#define CFG_DBAT3L ( CFG_CCSRBAR | BATL_PP_RW \
@@ -385,10 +404,11 @@
#define CFG_IBAT3L (CFG_CCSRBAR | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT3U CFG_DBAT3U
-/* BAT4 32M Cache-inhibited, guarded
+/*
+ * BAT4 32M Cache-inhibited, guarded
* 0xe200_0000 16M PCI-Express 1 I/O
* 0xe300_0000 16M PCI-Express 2 I/0
- ** SS - Note that this is at 0xe0000000
+ * Note that this is at 0xe0000000
*/
#define CFG_DBAT4L ( CFG_PCI1_IO_BASE | BATL_PP_RW \
| BATL_CACHEINHIBIT | BATL_GUARDEDSTORAGE)
@@ -396,7 +416,8 @@
#define CFG_IBAT4L (CFG_PCI1_IO_BASE | BATL_PP_RW | BATL_CACHEINHIBIT)
#define CFG_IBAT4U CFG_DBAT4U
-/* BAT5 128K Cacheable, non-guarded
+/*
+ * BAT5 128K Cacheable, non-guarded
* 0xe401_0000 128K Init RAM for stack in the CPU DCache (no backing memory)
*/
#define CFG_DBAT5L (CFG_INIT_RAM_ADDR | BATL_PP_RW | BATL_MEMCOHERENCE)
@@ -404,7 +425,8 @@
#define CFG_IBAT5L CFG_DBAT5L
#define CFG_IBAT5U CFG_DBAT5U
-/* BAT6 32M Cache-inhibited, guarded
+/*
+ * BAT6 32M Cache-inhibited, guarded
* 0xfe00_0000 32M FLASH
*/
#define CFG_DBAT6L ( CFG_FLASH_BASE | BATL_PP_RW \
@@ -427,7 +449,7 @@
#ifndef CFG_RAMBOOT
#define CFG_ENV_IS_IN_FLASH 1
#define CFG_ENV_ADDR (CFG_MONITOR_BASE + 0x40000)
- #define CFG_ENV_SECT_SIZE 0x40000 /* 256K(one sector) for env */
+ #define CFG_ENV_SECT_SIZE 0x40000 /* 256K(one sector) for env */
#define CFG_ENV_SIZE 0x2000
#else
#define CFG_NO_FLASH 1 /* Flash is not usable now */
generated by cgit v1.1 at 2024-12-28 08:28:43 +0000