diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/812-v6.2-0001-nvmem-stm32-move-STM32MP15_BSEC_NUM_LOWER-in-config.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/812-v6.2-0001-nvmem-stm32-move-STM32MP15_BSEC_NUM_LOWER-in-config.patch | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/target/linux/generic/backport-5.10/812-v6.2-0001-nvmem-stm32-move-STM32MP15_BSEC_NUM_LOWER-in-config.patch b/target/linux/generic/backport-5.10/812-v6.2-0001-nvmem-stm32-move-STM32MP15_BSEC_NUM_LOWER-in-config.patch deleted file mode 100644 index 33759632eb..0000000000 --- a/target/linux/generic/backport-5.10/812-v6.2-0001-nvmem-stm32-move-STM32MP15_BSEC_NUM_LOWER-in-config.patch +++ /dev/null @@ -1,82 +0,0 @@ -From fbfc4ca465a1f8d81bf2d67d95bf7fc67c3cf0c2 Mon Sep 17 00:00:00 2001 -From: Patrick Delaunay <patrick.delaunay@foss.st.com> -Date: Fri, 18 Nov 2022 06:39:20 +0000 -Subject: [PATCH] nvmem: stm32: move STM32MP15_BSEC_NUM_LOWER in config - -Support STM32MP15_BSEC_NUM_LOWER in stm32 romem config to prepare -the next SoC in STM32MP family. - -Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com> -Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> -Link: https://lore.kernel.org/r/20221118063932.6418-2-srinivas.kandagatla@linaro.org -Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> ---- - drivers/nvmem/stm32-romem.c | 21 ++++++++++++++++----- - 1 file changed, 16 insertions(+), 5 deletions(-) - ---- a/drivers/nvmem/stm32-romem.c -+++ b/drivers/nvmem/stm32-romem.c -@@ -22,16 +22,15 @@ - /* shadow registers offest */ - #define STM32MP15_BSEC_DATA0 0x200 - --/* 32 (x 32-bits) lower shadow registers */ --#define STM32MP15_BSEC_NUM_LOWER 32 -- - struct stm32_romem_cfg { - int size; -+ u8 lower; - }; - - struct stm32_romem_priv { - void __iomem *base; - struct nvmem_config cfg; -+ u8 lower; - }; - - static int stm32_romem_read(void *context, unsigned int offset, void *buf, -@@ -85,7 +84,7 @@ static int stm32_bsec_read(void *context - for (i = roffset; (i < roffset + rbytes); i += 4) { - u32 otp = i >> 2; - -- if (otp < STM32MP15_BSEC_NUM_LOWER) { -+ if (otp < priv->lower) { - /* read lower data from shadow registers */ - val = readl_relaxed( - priv->base + STM32MP15_BSEC_DATA0 + i); -@@ -159,6 +158,8 @@ static int stm32_romem_probe(struct plat - priv->cfg.priv = priv; - priv->cfg.owner = THIS_MODULE; - -+ priv->lower = 0; -+ - cfg = (const struct stm32_romem_cfg *) - of_match_device(dev->driver->of_match_table, dev)->data; - if (!cfg) { -@@ -167,6 +168,7 @@ static int stm32_romem_probe(struct plat - priv->cfg.reg_read = stm32_romem_read; - } else { - priv->cfg.size = cfg->size; -+ priv->lower = cfg->lower; - priv->cfg.reg_read = stm32_bsec_read; - priv->cfg.reg_write = stm32_bsec_write; - } -@@ -174,8 +176,17 @@ static int stm32_romem_probe(struct plat - return PTR_ERR_OR_ZERO(devm_nvmem_register(dev, &priv->cfg)); - } - -+/* -+ * STM32MP15 BSEC OTP regions: 4096 OTP bits (with 3072 effective bits) -+ * => 96 x 32-bits data words -+ * - Lower: 1K bits, 2:1 redundancy, incremental bit programming -+ * => 32 (x 32-bits) lower shadow registers = words 0 to 31 -+ * - Upper: 2K bits, ECC protection, word programming only -+ * => 64 (x 32-bits) = words 32 to 95 -+ */ - static const struct stm32_romem_cfg stm32mp15_bsec_cfg = { -- .size = 384, /* 96 x 32-bits data words */ -+ .size = 384, -+ .lower = 32, - }; - - static const struct of_device_id stm32_romem_of_match[] = { |