From 42913a1c7ad6efae598364f5ea1ae083279b571f Mon Sep 17 00:00:00 2001 From: Bin Meng Date: Sun, 11 Oct 2015 21:37:40 -0700 Subject: [PATCH] x86: ivybridge: Use APIs provided in the mrccache lib Remove the call to custom mrc cache APIs, and use the ones provided in the mrccache lib. Signed-off-by: Bin Meng Acked-by: Simon Glass --- arch/x86/cpu/ivybridge/sdram.c | 112 ++------------------------------- 1 file changed, 4 insertions(+), 108 deletions(-) diff --git a/arch/x86/cpu/ivybridge/sdram.c b/arch/x86/cpu/ivybridge/sdram.c index 10fbe5fb36..20c2e68910 100644 --- a/arch/x86/cpu/ivybridge/sdram.c +++ b/arch/x86/cpu/ivybridge/sdram.c @@ -89,42 +89,6 @@ void dram_init_banksize(void) } } -static int get_mrc_entry(struct udevice **devp, struct fmap_entry *entry) -{ - const void *blob = gd->fdt_blob; - int node, spi_node, mrc_node; - int upto; - int ret; - - /* Find the flash chip within the SPI controller node */ - upto = 0; - spi_node = fdtdec_next_alias(blob, "spi", COMPAT_INTEL_ICH_SPI, &upto); - if (spi_node < 0) - return -ENOENT; - node = fdt_first_subnode(blob, spi_node); - if (node < 0) - return -ECHILD; - - /* Find the place where we put the MRC cache */ - mrc_node = fdt_subnode_offset(blob, node, "rw-mrc-cache"); - if (mrc_node < 0) - return -EPERM; - - if (fdtdec_read_fmap_entry(blob, mrc_node, "rm-mrc-cache", entry)) - return -EINVAL; - - if (devp) { - debug("getting sf\n"); - ret = uclass_get_device_by_of_offset(UCLASS_SPI_FLASH, node, - devp); - debug("ret = %d\n", ret); - if (ret) - return ret; - } - - return 0; -} - static int read_seed_from_cmos(struct pei_data *pei_data) { u16 c1, c2, checksum, seed_checksum; @@ -180,7 +144,7 @@ static int prepare_mrc_cache(struct pei_data *pei_data) ret = read_seed_from_cmos(pei_data); if (ret) return ret; - ret = get_mrc_entry(NULL, &entry); + ret = mrccache_get_region(NULL, &entry); if (ret) return ret; mrc_cache = mrccache_find_current(&entry); @@ -202,32 +166,6 @@ static int prepare_mrc_cache(struct pei_data *pei_data) return 0; } -static int build_mrc_data(struct mrc_data_container **datap) -{ - struct mrc_data_container *data; - int orig_len; - int output_len; - - orig_len = gd->arch.mrc_output_len; - output_len = ALIGN(orig_len, 16); - data = malloc(output_len + sizeof(*data)); - if (!data) - return -ENOMEM; - data->signature = MRC_DATA_SIGNATURE; - data->data_size = output_len; - data->reserved = 0; - memcpy(data->data, gd->arch.mrc_output, orig_len); - - /* Zero the unused space in aligned buffer. */ - if (output_len > orig_len) - memset(data->data + orig_len, 0, output_len - orig_len); - - data->checksum = compute_ip_checksum(data->data, output_len); - *datap = data; - - return 0; -} - static int write_seeds_to_cmos(struct pei_data *pei_data) { u16 c1, c2, checksum; @@ -262,42 +200,12 @@ static int write_seeds_to_cmos(struct pei_data *pei_data) return 0; } -static int sdram_save_mrc_data(void) -{ - struct mrc_data_container *data; - struct fmap_entry entry; - struct udevice *sf; - int ret; - - if (!gd->arch.mrc_output_len) - return 0; - debug("Saving %d bytes of MRC output data to SPI flash\n", - gd->arch.mrc_output_len); - - ret = get_mrc_entry(&sf, &entry); - if (ret) - goto err_entry; - ret = build_mrc_data(&data); - if (ret) - goto err_data; - ret = mrccache_update(sf, &entry, data); - if (!ret) - debug("Saved MRC data with checksum %04x\n", data->checksum); - - free(data); -err_data: -err_entry: - if (ret) - debug("%s: Failed: %d\n", __func__, ret); - return ret; -} - /* Use this hook to save our SDRAM parameters */ int misc_init_r(void) { int ret; - ret = sdram_save_mrc_data(); + ret = mrccache_save(); if (ret) printf("Unable to save MRC data: %d\n", ret); @@ -476,7 +384,7 @@ int sdram_initialise(struct pei_data *pei_data) if (pei_data->boot_mode != PEI_BOOT_RESUME) { /* * This will be copied to SDRAM in reserve_arch(), then written - * to SPI flash in sdram_save_mrc_data() + * to SPI flash in mrccache_save() */ gd->arch.mrc_output = (char *)pei_data->mrc_output; gd->arch.mrc_output_len = pei_data->mrc_output_len; @@ -490,19 +398,7 @@ int sdram_initialise(struct pei_data *pei_data) int reserve_arch(void) { - u16 checksum; - - checksum = compute_ip_checksum(gd->arch.mrc_output, - gd->arch.mrc_output_len); - debug("Saving %d bytes for MRC output data, checksum %04x\n", - gd->arch.mrc_output_len, checksum); - gd->start_addr_sp -= gd->arch.mrc_output_len; - memcpy((void *)gd->start_addr_sp, gd->arch.mrc_output, - gd->arch.mrc_output_len); - gd->arch.mrc_output = (char *)gd->start_addr_sp; - gd->start_addr_sp &= ~0xf; - - return 0; + return mrccache_reserve(); } static int copy_spd(struct pei_data *peid) -- 2.39.5