From 1dee9be683c9b0f060452aaf1a97a34fae87f07a Mon Sep 17 00:00:00 2001 From: Reinhard Arlt Date: Tue, 8 Dec 2009 09:13:08 +0100 Subject: mpc83xx: Add support for MPC8349 esd caddy2 The caddy2 is a variant of the already supported vme8349. So we just add the differences to this board port. To better support those two boards we switched from fixed SDRAM configuration to usage of spd_sdram(). This is done by providing a board specific SPD EEPROM routine with different values for both boards. Signed-off-by: Reinhard Arlt Signed-off-by: Stefan Roese changed to use mkconfig -t option instead, plus misc codingstyle fixes. Signed-off-by: Kim Phillips --- board/esd/vme8349/vme8349.c | 195 +++++++++++++++++++++++++++++++------------- 1 file changed, 138 insertions(+), 57 deletions(-) (limited to 'board') diff --git a/board/esd/vme8349/vme8349.c b/board/esd/vme8349/vme8349.c index e3bc15112..b0ebad72b 100644 --- a/board/esd/vme8349/vme8349.c +++ b/board/esd/vme8349/vme8349.c @@ -38,63 +38,13 @@ #endif #include #include +#include +#include +#include +#include void ddr_enable_ecc(unsigned int dram_size); -int fixed_sdram(void) -{ - volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; - u32 msize = 0; - u32 ddr_size; - u32 ddr_size_log2; - - msize = CONFIG_SYS_DDR_SIZE; - for (ddr_size = msize << 20, ddr_size_log2 = 0; - (ddr_size > 1); - ddr_size = ddr_size>>1, ddr_size_log2++) { - if (ddr_size & 1) - return -1; - } - - im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_SDRAM_BASE & 0xfffff000; - im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) & - LAWAR_SIZE); - -#if (CONFIG_SYS_DDR_SIZE == 512) - im->ddr.csbnds[0].csbnds = 0x0000001f; -#else -#warning Currently any DDR size other than 512MiB is not supported -#endif - im->ddr.cs_config[0] = CONFIG_SYS_DDR_CONFIG | 0x00330000; - - /* currently we use only one CS, so disable the other banks */ - im->ddr.csbnds[1].csbnds = 0x00000000; - im->ddr.csbnds[2].csbnds = 0x00000000; - im->ddr.csbnds[3].csbnds = 0x00000000; - im->ddr.cs_config[1] = 0; - im->ddr.cs_config[2] = 0; - im->ddr.cs_config[3] = 0; - - im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0; - im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; - im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; - im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3; - - im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG; - im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2; - im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE; - im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2; - - im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL; - sync(); - udelay(200); - - /* enable DDR controller */ - im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; - - return msize; -} - phys_size_t initdram(int board_type) { volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR; @@ -103,10 +53,10 @@ phys_size_t initdram(int board_type) if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im) return -1; - /* DDR SDRAM - Main SODIMM */ + /* DDR SDRAM - Main memory */ im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR; - msize = fixed_sdram(); + msize = spd_sdram(); #if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) /* @@ -124,17 +74,148 @@ phys_size_t initdram(int board_type) int checkboard(void) { - puts("Board: esd VME8349\n"); +#ifdef VME_CADDY2 + puts("Board: esd VME-CADDY/2\n"); +#else + puts("Board: esd VME-CPU/8349\n"); +#endif return 0; } +#ifdef VME_CADDY2 +int board_eth_init(bd_t *bis) +{ + return pci_eth_init(bis); +} +#endif + #if defined(CONFIG_OF_BOARD_SETUP) void ft_board_setup(void *blob, bd_t *bd) { ft_cpu_setup(blob, bd); + #ifdef CONFIG_PCI ft_pci_setup(blob, bd); #endif } #endif + +int misc_init_r() +{ + immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + + clrsetbits_be32(&im->lbus.lcrr, LBCR_LDIS, 0); + + return 0; +} + +/* + * Provide SPD values for spd_sdram(). Both boards (VME-CADDY/2 + * and VME-CADDY/2) have different SDRAM configurations. + */ +#ifdef VME_CADDY2 +#define SMALL_RAM 0xff +#define LARGE_RAM 0x00 +#else +#define SMALL_RAM 0x00 +#define LARGE_RAM 0xff +#endif + +#define SPD_VAL(a, b) (((a) & SMALL_RAM) | ((b) & LARGE_RAM)) + +static spd_eeprom_t default_spd_eeprom = { + SPD_VAL(0x80, 0x80), /* 00 use 128 Bytes */ + SPD_VAL(0x07, 0x07), /* 01 use 128 Bytes */ + SPD_MEMTYPE_DDR2, /* 02 type is DDR2 */ + SPD_VAL(0x0d, 0x0d), /* 03 rows: 13 */ + SPD_VAL(0x09, 0x0a), /* 04 cols: 9 / 10 */ + SPD_VAL(0x00, 0x00), /* 05 */ + SPD_VAL(0x40, 0x40), /* 06 */ + SPD_VAL(0x00, 0x00), /* 07 */ + SPD_VAL(0x05, 0x05), /* 08 */ + SPD_VAL(0x30, 0x30), /* 09 */ + SPD_VAL(0x45, 0x45), /* 10 */ + SPD_VAL(0x02, 0x02), /* 11 ecc used */ + SPD_VAL(0x82, 0x82), /* 12 */ + SPD_VAL(0x10, 0x10), /* 13 */ + SPD_VAL(0x08, 0x08), /* 14 */ + SPD_VAL(0x00, 0x00), /* 15 */ + SPD_VAL(0x0c, 0x0c), /* 16 */ + SPD_VAL(0x04, 0x08), /* 17 banks: 4 / 8 */ + SPD_VAL(0x38, 0x38), /* 18 */ + SPD_VAL(0x00, 0x00), /* 19 */ + SPD_VAL(0x02, 0x02), /* 20 */ + SPD_VAL(0x00, 0x00), /* 21 */ + SPD_VAL(0x03, 0x03), /* 22 */ + SPD_VAL(0x3d, 0x3d), /* 23 */ + SPD_VAL(0x45, 0x45), /* 24 */ + SPD_VAL(0x50, 0x50), /* 25 */ + SPD_VAL(0x45, 0x45), /* 26 */ + SPD_VAL(0x3c, 0x3c), /* 27 */ + SPD_VAL(0x28, 0x28), /* 28 */ + SPD_VAL(0x3c, 0x3c), /* 29 */ + SPD_VAL(0x2d, 0x2d), /* 30 */ + SPD_VAL(0x20, 0x80), /* 31 */ + SPD_VAL(0x20, 0x20), /* 32 */ + SPD_VAL(0x27, 0x27), /* 33 */ + SPD_VAL(0x10, 0x10), /* 34 */ + SPD_VAL(0x17, 0x17), /* 35 */ + SPD_VAL(0x3c, 0x3c), /* 36 */ + SPD_VAL(0x1e, 0x1e), /* 37 */ + SPD_VAL(0x1e, 0x1e), /* 38 */ + SPD_VAL(0x00, 0x00), /* 39 */ + SPD_VAL(0x00, 0x06), /* 40 */ + SPD_VAL(0x37, 0x37), /* 41 */ + SPD_VAL(0x4b, 0x7f), /* 42 */ + SPD_VAL(0x80, 0x80), /* 43 */ + SPD_VAL(0x18, 0x18), /* 44 */ + SPD_VAL(0x22, 0x22), /* 45 */ + SPD_VAL(0x00, 0x00), /* 46 */ + { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, + SPD_VAL(0x10, 0x10), /* 62 */ + SPD_VAL(0x7e, 0x1d), /* 63 */ + { 'e', 's', 'd', '-', 'g', 'm', 'b', 'h' }, + SPD_VAL(0x00, 0x00), /* 72 */ +#ifdef VME_CADDY2 + { "vme-caddy/2 ram " } +#else + { "vme-cpu/2 ram " } +#endif +}; + +int vme8349_read_spd(uchar chip, uint addr, int alen, uchar *buffer, int len) +{ + int old_bus = I2C_GET_BUS(); + unsigned int l, sum; + int valid = 0; + + I2C_SET_BUS(0); + + if (i2c_read(chip, addr, alen, buffer, len) == 0) + if (memcmp(&buffer[64], &default_spd_eeprom.mid[0], 8) == 0) { + sum = 0; + for (l = 0; l < 63; l++) + sum = (sum + buffer[l]) & 0xff; + if (sum == buffer[63]) + valid = 1; + else + printf("Invalid checksum in EEPROM %02x %02x\n", + sum, buffer[63]); + } + + if (valid == 0) { + memcpy(buffer, (void *)&default_spd_eeprom, len); + sum = 0; + for (l = 0; l < 63; l++) + sum = (sum + buffer[l]) & 0xff; + if (sum != buffer[63]) + printf("Invalid checksum in FLASH %02x %02x\n", + sum, buffer[63]); + buffer[63] = sum; + } + + I2C_SET_BUS(old_bus); + + return 0; +} -- cgit v1.2.3