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Diffstat (limited to 'board/freescale/mpc5121ads/mpc5121ads.c')
-rw-r--r--board/freescale/mpc5121ads/mpc5121ads.c118
1 files changed, 6 insertions, 112 deletions
diff --git a/board/freescale/mpc5121ads/mpc5121ads.c b/board/freescale/mpc5121ads/mpc5121ads.c
index ec74fd35d..a0d7a82e4 100644
--- a/board/freescale/mpc5121ads/mpc5121ads.c
+++ b/board/freescale/mpc5121ads/mpc5121ads.c
@@ -26,6 +26,7 @@
#include <command.h>
#include <asm/io.h>
#include <asm/processor.h>
+#include <asm/mpc512x.h>
#include <fdt_support.h>
#ifdef CONFIG_MISC_INIT_R
#include <i2c.h>
@@ -36,9 +37,6 @@
DECLARE_GLOBAL_DATA_PTR;
-extern int mpc5121_diu_init(void);
-extern void ide_set_reset(int idereset);
-
/* Clocks in use */
#define SCCR1_CLOCKS_EN (CLOCK_SCCR1_CFG_EN | \
CLOCK_SCCR1_DDR_EN | \
@@ -56,10 +54,6 @@ extern void ide_set_reset(int idereset);
CLOCK_SCCR2_MEM_EN | \
CLOCK_SCCR2_SPDIF_EN)
-#define CSAW_START(start) ((start) & 0xFFFF0000)
-#define CSAW_STOP(start, size) (((start) + (size) - 1) >> 16)
-
-long int fixed_sdram(void);
void __mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip);
/* Active chip number set in board_nand_select_device() (mpc5121_nfc.c) */
@@ -84,10 +78,10 @@ void mpc5121_nfc_select_chip(struct mtd_info *mtd, int chip)
out_8(csreg, v);
}
-int board_early_init_f (void)
+int board_early_init_f(void)
{
volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- u32 lpcaw, spridr;
+ u32 spridr;
/*
* Initialize Local Window for the CPLD registers access (CS2 selects
@@ -98,14 +92,7 @@ int board_early_init_f (void)
CSAW_STOP(CONFIG_SYS_CPLD_BASE, CONFIG_SYS_CPLD_SIZE)
);
out_be32(&im->lpc.cs_cfg[2], CONFIG_SYS_CS2_CFG);
-
- /*
- * According to MPC5121e RM, configuring local access windows should
- * be followed by a dummy read of the config register that was
- * modified last and an isync
- */
- lpcaw = in_be32(&im->sysconf.lpcs6aw);
- __asm__ __volatile__ ("isync");
+ sync_law(&im->sysconf.lpcs2aw);
/*
* Disable Boot NOR FLASH write protect - CPLD Reg 8 NOR FLASH Control
@@ -146,104 +133,11 @@ int board_early_init_f (void)
return 0;
}
-phys_size_t initdram (int board_type)
+phys_size_t initdram(int board_type)
{
u32 msize = 0;
- msize = fixed_sdram ();
-
- return msize;
-}
-
-/*
- * fixed sdram init -- the board doesn't use memory modules that have serial presence
- * detect or similar mechanism for discovery of the DRAM settings
- */
-long int fixed_sdram (void)
-{
- volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
- u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024;
- u32 msize_log2 = __ilog2 (msize);
- u32 i;
-
- /* Initialize IO Control */
- out_be32 (&im->io_ctrl.io_control_mem, IOCTRL_MUX_DDR);
-
- /* Initialize DDR Local Window */
- out_be32 (&im->sysconf.ddrlaw.bar, CONFIG_SYS_DDR_BASE & 0xFFFFF000);
- out_be32 (&im->sysconf.ddrlaw.ar, msize_log2 - 1);
-
- /*
- * According to MPC5121e RM, configuring local access windows should
- * be followed by a dummy read of the config register that was
- * modified last and an isync
- */
- in_be32(&im->sysconf.ddrlaw.ar);
- __asm__ __volatile__ ("isync");
-
- /* Enable DDR */
- out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG_EN);
-
- /* Initialize DDR Priority Manager */
- out_be32(&im->mddrc.prioman_config1, CONFIG_SYS_MDDRCGRP_PM_CFG1);
- out_be32(&im->mddrc.prioman_config2, CONFIG_SYS_MDDRCGRP_PM_CFG2);
- out_be32(&im->mddrc.hiprio_config, CONFIG_SYS_MDDRCGRP_HIPRIO_CFG);
- out_be32(&im->mddrc.lut_table0_main_upper, CONFIG_SYS_MDDRCGRP_LUT0_MU);
- out_be32(&im->mddrc.lut_table0_main_lower, CONFIG_SYS_MDDRCGRP_LUT0_ML);
- out_be32(&im->mddrc.lut_table1_main_upper, CONFIG_SYS_MDDRCGRP_LUT1_MU);
- out_be32(&im->mddrc.lut_table1_main_lower, CONFIG_SYS_MDDRCGRP_LUT1_ML);
- out_be32(&im->mddrc.lut_table2_main_upper, CONFIG_SYS_MDDRCGRP_LUT2_MU);
- out_be32(&im->mddrc.lut_table2_main_lower, CONFIG_SYS_MDDRCGRP_LUT2_ML);
- out_be32(&im->mddrc.lut_table3_main_upper, CONFIG_SYS_MDDRCGRP_LUT3_MU);
- out_be32(&im->mddrc.lut_table3_main_lower, CONFIG_SYS_MDDRCGRP_LUT3_ML);
- out_be32(&im->mddrc.lut_table4_main_upper, CONFIG_SYS_MDDRCGRP_LUT4_MU);
- out_be32(&im->mddrc.lut_table4_main_lower, CONFIG_SYS_MDDRCGRP_LUT4_ML);
- out_be32(&im->mddrc.lut_table0_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT0_AU);
- out_be32(&im->mddrc.lut_table0_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT0_AL);
- out_be32(&im->mddrc.lut_table1_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT1_AU);
- out_be32(&im->mddrc.lut_table1_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT1_AL);
- out_be32(&im->mddrc.lut_table2_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT2_AU);
- out_be32(&im->mddrc.lut_table2_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT2_AL);
- out_be32(&im->mddrc.lut_table3_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT3_AU);
- out_be32(&im->mddrc.lut_table3_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT3_AL);
- out_be32(&im->mddrc.lut_table4_alternate_upper, CONFIG_SYS_MDDRCGRP_LUT4_AU);
- out_be32(&im->mddrc.lut_table4_alternate_lower, CONFIG_SYS_MDDRCGRP_LUT4_AL);
-
- /* Initialize MDDRC */
- out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG);
- out_be32(&im->mddrc.ddr_time_config0, CONFIG_SYS_MDDRC_TIME_CFG0);
- out_be32(&im->mddrc.ddr_time_config1, CONFIG_SYS_MDDRC_TIME_CFG1);
- out_be32(&im->mddrc.ddr_time_config2, CONFIG_SYS_MDDRC_TIME_CFG2);
-
- /* Initialize DDR */
- for (i = 0; i < 10; i++)
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
-
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM2);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM2);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EM3);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_EN_DLL);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_RFSH);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_INIT_DEV_OP);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_OCD_DEFAULT);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_PCHG_ALL);
- out_be32(&im->mddrc.ddr_command, CONFIG_SYS_MICRON_NOP);
-
- /* Start MDDRC */
- out_be32(&im->mddrc.ddr_time_config0, CONFIG_SYS_MDDRC_TIME_CFG0_RUN);
- out_be32(&im->mddrc.ddr_sys_config, CONFIG_SYS_MDDRC_SYS_CFG_RUN);
+ msize = fixed_sdram();
return msize;
}
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-10-31 17:13:49 +0000