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Diffstat (limited to 'cpu/ppc4xx/44x_spd_ddr.c')
-rw-r--r--cpu/ppc4xx/44x_spd_ddr.c200
1 files changed, 3 insertions, 197 deletions
diff --git a/cpu/ppc4xx/44x_spd_ddr.c b/cpu/ppc4xx/44x_spd_ddr.c
index b9cf5cbfc..9efcedefe 100644
--- a/cpu/ppc4xx/44x_spd_ddr.c
+++ b/cpu/ppc4xx/44x_spd_ddr.c
@@ -53,6 +53,8 @@
#include <ppc4xx.h>
#include <asm/mmu.h>
+#include "ecc.h"
+
#if defined(CONFIG_SPD_EEPROM) && \
(defined(CONFIG_440GP) || defined(CONFIG_440GX) || \
defined(CONFIG_440EP) || defined(CONFIG_440GR))
@@ -79,157 +81,6 @@ void __spd_ddr_init_hang (void)
}
void spd_ddr_init_hang (void) __attribute__((weak, alias("__spd_ddr_init_hang")));
-/*-----------------------------------------------------------------------------
- | Memory Controller Options 0
- +-----------------------------------------------------------------------------*/
-#define SDRAM_CFG0_DCEN 0x80000000 /* SDRAM Controller Enable */
-#define SDRAM_CFG0_MCHK_MASK 0x30000000 /* Memory data errchecking mask */
-#define SDRAM_CFG0_MCHK_NON 0x00000000 /* No ECC generation */
-#define SDRAM_CFG0_MCHK_GEN 0x20000000 /* ECC generation */
-#define SDRAM_CFG0_MCHK_CHK 0x30000000 /* ECC generation and checking */
-#define SDRAM_CFG0_RDEN 0x08000000 /* Registered DIMM enable */
-#define SDRAM_CFG0_PMUD 0x04000000 /* Page management unit */
-#define SDRAM_CFG0_DMWD_MASK 0x02000000 /* DRAM width mask */
-#define SDRAM_CFG0_DMWD_32 0x00000000 /* 32 bits */
-#define SDRAM_CFG0_DMWD_64 0x02000000 /* 64 bits */
-#define SDRAM_CFG0_UIOS_MASK 0x00C00000 /* Unused IO State */
-#define SDRAM_CFG0_PDP 0x00200000 /* Page deallocation policy */
-
-/*-----------------------------------------------------------------------------
- | Memory Controller Options 1
- +-----------------------------------------------------------------------------*/
-#define SDRAM_CFG1_SRE 0x80000000 /* Self-Refresh Entry */
-#define SDRAM_CFG1_PMEN 0x40000000 /* Power Management Enable */
-
-/*-----------------------------------------------------------------------------+
- | SDRAM DEVPOT Options
- +-----------------------------------------------------------------------------*/
-#define SDRAM_DEVOPT_DLL 0x80000000
-#define SDRAM_DEVOPT_DS 0x40000000
-
-/*-----------------------------------------------------------------------------+
- | SDRAM MCSTS Options
- +-----------------------------------------------------------------------------*/
-#define SDRAM_MCSTS_MRSC 0x80000000
-#define SDRAM_MCSTS_SRMS 0x40000000
-#define SDRAM_MCSTS_CIS 0x20000000
-
-/*-----------------------------------------------------------------------------
- | SDRAM Refresh Timer Register
- +-----------------------------------------------------------------------------*/
-#define SDRAM_RTR_RINT_MASK 0xFFFF0000
-#define SDRAM_RTR_RINT_ENCODE(n) (((n) << 16) & SDRAM_RTR_RINT_MASK)
-#define sdram_HZ_to_ns(hertz) (1000000000/(hertz))
-
-/*-----------------------------------------------------------------------------+
- | SDRAM UABus Base Address Reg
- +-----------------------------------------------------------------------------*/
-#define SDRAM_UABBA_UBBA_MASK 0x0000000F
-
-/*-----------------------------------------------------------------------------+
- | Memory Bank 0-7 configuration
- +-----------------------------------------------------------------------------*/
-#define SDRAM_BXCR_SDBA_MASK 0xff800000 /* Base address */
-#define SDRAM_BXCR_SDSZ_MASK 0x000e0000 /* Size */
-#define SDRAM_BXCR_SDSZ_8 0x00020000 /* 8M */
-#define SDRAM_BXCR_SDSZ_16 0x00040000 /* 16M */
-#define SDRAM_BXCR_SDSZ_32 0x00060000 /* 32M */
-#define SDRAM_BXCR_SDSZ_64 0x00080000 /* 64M */
-#define SDRAM_BXCR_SDSZ_128 0x000a0000 /* 128M */
-#define SDRAM_BXCR_SDSZ_256 0x000c0000 /* 256M */
-#define SDRAM_BXCR_SDSZ_512 0x000e0000 /* 512M */
-#define SDRAM_BXCR_SDAM_MASK 0x0000e000 /* Addressing mode */
-#define SDRAM_BXCR_SDAM_1 0x00000000 /* Mode 1 */
-#define SDRAM_BXCR_SDAM_2 0x00002000 /* Mode 2 */
-#define SDRAM_BXCR_SDAM_3 0x00004000 /* Mode 3 */
-#define SDRAM_BXCR_SDAM_4 0x00006000 /* Mode 4 */
-#define SDRAM_BXCR_SDBE 0x00000001 /* Memory Bank Enable */
-
-/*-----------------------------------------------------------------------------+
- | SDRAM TR0 Options
- +-----------------------------------------------------------------------------*/
-#define SDRAM_TR0_SDWR_MASK 0x80000000
-#define SDRAM_TR0_SDWR_2_CLK 0x00000000
-#define SDRAM_TR0_SDWR_3_CLK 0x80000000
-#define SDRAM_TR0_SDWD_MASK 0x40000000
-#define SDRAM_TR0_SDWD_0_CLK 0x00000000
-#define SDRAM_TR0_SDWD_1_CLK 0x40000000
-#define SDRAM_TR0_SDCL_MASK 0x01800000
-#define SDRAM_TR0_SDCL_2_0_CLK 0x00800000
-#define SDRAM_TR0_SDCL_2_5_CLK 0x01000000
-#define SDRAM_TR0_SDCL_3_0_CLK 0x01800000
-#define SDRAM_TR0_SDPA_MASK 0x000C0000
-#define SDRAM_TR0_SDPA_2_CLK 0x00040000
-#define SDRAM_TR0_SDPA_3_CLK 0x00080000
-#define SDRAM_TR0_SDPA_4_CLK 0x000C0000
-#define SDRAM_TR0_SDCP_MASK 0x00030000
-#define SDRAM_TR0_SDCP_2_CLK 0x00000000
-#define SDRAM_TR0_SDCP_3_CLK 0x00010000
-#define SDRAM_TR0_SDCP_4_CLK 0x00020000
-#define SDRAM_TR0_SDCP_5_CLK 0x00030000
-#define SDRAM_TR0_SDLD_MASK 0x0000C000
-#define SDRAM_TR0_SDLD_1_CLK 0x00000000
-#define SDRAM_TR0_SDLD_2_CLK 0x00004000
-#define SDRAM_TR0_SDRA_MASK 0x0000001C
-#define SDRAM_TR0_SDRA_6_CLK 0x00000000
-#define SDRAM_TR0_SDRA_7_CLK 0x00000004
-#define SDRAM_TR0_SDRA_8_CLK 0x00000008
-#define SDRAM_TR0_SDRA_9_CLK 0x0000000C
-#define SDRAM_TR0_SDRA_10_CLK 0x00000010
-#define SDRAM_TR0_SDRA_11_CLK 0x00000014
-#define SDRAM_TR0_SDRA_12_CLK 0x00000018
-#define SDRAM_TR0_SDRA_13_CLK 0x0000001C
-#define SDRAM_TR0_SDRD_MASK 0x00000003
-#define SDRAM_TR0_SDRD_2_CLK 0x00000001
-#define SDRAM_TR0_SDRD_3_CLK 0x00000002
-#define SDRAM_TR0_SDRD_4_CLK 0x00000003
-
-/*-----------------------------------------------------------------------------+
- | SDRAM TR1 Options
- +-----------------------------------------------------------------------------*/
-#define SDRAM_TR1_RDSS_MASK 0xC0000000
-#define SDRAM_TR1_RDSS_TR0 0x00000000
-#define SDRAM_TR1_RDSS_TR1 0x40000000
-#define SDRAM_TR1_RDSS_TR2 0x80000000
-#define SDRAM_TR1_RDSS_TR3 0xC0000000
-#define SDRAM_TR1_RDSL_MASK 0x00C00000
-#define SDRAM_TR1_RDSL_STAGE1 0x00000000
-#define SDRAM_TR1_RDSL_STAGE2 0x00400000
-#define SDRAM_TR1_RDSL_STAGE3 0x00800000
-#define SDRAM_TR1_RDCD_MASK 0x00000800
-#define SDRAM_TR1_RDCD_RCD_0_0 0x00000000
-#define SDRAM_TR1_RDCD_RCD_1_2 0x00000800
-#define SDRAM_TR1_RDCT_MASK 0x000001FF
-#define SDRAM_TR1_RDCT_ENCODE(x) (((x) << 0) & SDRAM_TR1_RDCT_MASK)
-#define SDRAM_TR1_RDCT_DECODE(x) (((x) & SDRAM_TR1_RDCT_MASK) >> 0)
-#define SDRAM_TR1_RDCT_MIN 0x00000000
-#define SDRAM_TR1_RDCT_MAX 0x000001FF
-
-/*-----------------------------------------------------------------------------+
- | SDRAM WDDCTR Options
- +-----------------------------------------------------------------------------*/
-#define SDRAM_WDDCTR_WRCP_MASK 0xC0000000
-#define SDRAM_WDDCTR_WRCP_0DEG 0x00000000
-#define SDRAM_WDDCTR_WRCP_90DEG 0x40000000
-#define SDRAM_WDDCTR_WRCP_180DEG 0x80000000
-#define SDRAM_WDDCTR_DCD_MASK 0x000001FF
-
-/*-----------------------------------------------------------------------------+
- | SDRAM CLKTR Options
- +-----------------------------------------------------------------------------*/
-#define SDRAM_CLKTR_CLKP_MASK 0xC0000000
-#define SDRAM_CLKTR_CLKP_0DEG 0x00000000
-#define SDRAM_CLKTR_CLKP_90DEG 0x40000000
-#define SDRAM_CLKTR_CLKP_180DEG 0x80000000
-#define SDRAM_CLKTR_DCDT_MASK 0x000001FF
-
-/*-----------------------------------------------------------------------------+
- | SDRAM DLYCAL Options
- +-----------------------------------------------------------------------------*/
-#define SDRAM_DLYCAL_DLCV_MASK 0x000003FC
-#define SDRAM_DLYCAL_DLCV_ENCODE(x) (((x)<<2) & SDRAM_DLYCAL_DLCV_MASK)
-#define SDRAM_DLYCAL_DLCV_DECODE(x) (((x) & SDRAM_DLYCAL_DLCV_MASK)>>2)
-
/*-----------------------------------------------------------------------------+
| General Definition
+-----------------------------------------------------------------------------*/
@@ -296,10 +147,6 @@ static void program_tr0(unsigned long *dimm_populated,
unsigned long num_dimm_banks);
static void program_tr1(void);
-#ifdef CONFIG_DDR_ECC
-static void program_ecc(unsigned long num_bytes);
-#endif
-
static unsigned long program_bxcr(unsigned long *dimm_populated,
unsigned char *iic0_dimm_addr,
unsigned long num_dimm_banks);
@@ -418,7 +265,7 @@ long int spd_sdram(void) {
/*
* If ecc is enabled, initialize the parity bits.
*/
- program_ecc(total_size);
+ ecc_init(CFG_SDRAM_BASE, total_size);
#endif
return total_size;
@@ -1402,45 +1249,4 @@ static unsigned long program_bxcr(unsigned long *dimm_populated,
return(bank_base_addr);
}
-
-#ifdef CONFIG_DDR_ECC
-static void program_ecc(unsigned long num_bytes)
-{
- unsigned long bank_base_addr;
- unsigned long current_address;
- unsigned long end_address;
- unsigned long address_increment;
- unsigned long cfg0;
-
- /*
- * get Memory Controller Options 0 data
- */
- mfsdram(mem_cfg0, cfg0);
-
- /*
- * reset the bank_base address
- */
- bank_base_addr = CFG_SDRAM_BASE;
-
- if ((cfg0 & SDRAM_CFG0_MCHK_MASK) != SDRAM_CFG0_MCHK_NON) {
- mtsdram(mem_cfg0, (cfg0 & ~SDRAM_CFG0_MCHK_MASK) | SDRAM_CFG0_MCHK_GEN);
-
- if ((cfg0 & SDRAM_CFG0_DMWD_MASK) == SDRAM_CFG0_DMWD_32)
- address_increment = 4;
- else
- address_increment = 8;
-
- current_address = (unsigned long)(bank_base_addr);
- end_address = (unsigned long)(bank_base_addr) + num_bytes;
-
- while (current_address < end_address) {
- *((unsigned long*)current_address) = 0x00000000;
- current_address += address_increment;
- }
-
- mtsdram(mem_cfg0, (cfg0 & ~SDRAM_CFG0_MCHK_MASK) |
- SDRAM_CFG0_MCHK_CHK);
- }
-}
-#endif /* CONFIG_DDR_ECC */
#endif /* CONFIG_SPD_EEPROM */
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-29 13:57:08 +0000