diff options
Diffstat (limited to 'board/davedenx/aria/aria.c')
| -rw-r--r-- | board/davedenx/aria/aria.c | 124 |
1 files changed, 4 insertions, 120 deletions
diff --git a/board/davedenx/aria/aria.c b/board/davedenx/aria/aria.c index f44c352..9662308 100644 --- a/board/davedenx/aria/aria.c +++ b/board/davedenx/aria/aria.c @@ -27,6 +27,7 @@ #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> @@ -34,9 +35,6 @@ 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_LPC_EN | \ @@ -53,14 +51,9 @@ extern void ide_set_reset(int idereset); CLOCK_SCCR2_DIU_EN | \ CLOCK_SCCR2_I2C_EN) -#define CSAW_START(start) ((start) & 0xFFFF0000) -#define CSAW_STOP(start, size) (((start) + (size) - 1) >> 16) - -long int fixed_sdram(void); - int board_early_init_f(void) { - volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; + volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; u32 spridr; /* @@ -71,14 +64,7 @@ int board_early_init_f(void) CSAW_STOP(CONFIG_SYS_ARIA_FPGA_BASE, CONFIG_SYS_ARIA_FPGA_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 - */ - in_be32(&im->sysconf.lpcs2aw); - __asm__ __volatile__ ("isync"); + sync_law(&im->sysconf.lpcs2aw); /* * Initialize Local Window for the On Board SRAM access @@ -88,14 +74,7 @@ int board_early_init_f(void) CSAW_STOP(CONFIG_SYS_ARIA_SRAM_BASE, CONFIG_SYS_ARIA_SRAM_SIZE) ); out_be32(&im->lpc.cs_cfg[6], CONFIG_SYS_CS6_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 - */ - in_be32(&im->sysconf.lpcs6aw); - __asm__ __volatile__ ("isync"); + sync_law(&im->sysconf.lpcs6aw); /* * Configure Flash Speed @@ -124,100 +103,6 @@ phys_size_t initdram (int board_type) return fixed_sdram(); } -/* - * 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); - - return msize; -} - int misc_init_r(void) { u32 tmp; @@ -295,7 +180,6 @@ static iopin_t ioregs_init[] = { }, }; - int checkboard (void) { puts("Board: ARIA\n"); |