[EXT] Re: [PATCH v8 01/15] crypto/fsl: Add support for CAAM Job ring driver model

Gaurav Jain gaurav.jain at nxp.com
Mon Feb 7 08:13:09 CET 2022


Hello Marek

> -----Original Message-----
> From: Stefano Babic <sbabic at denx.de>
> Sent: Saturday, February 5, 2022 7:46 PM
> To: Gaurav Jain <gaurav.jain at nxp.com>; u-boot at lists.denx.de
> Cc: Stefano Babic <sbabic at denx.de>; Fabio Estevam <festevam at gmail.com>;
> Peng Fan <peng.fan at nxp.com>; Simon Glass <sjg at chromium.org>; Priyanka
> Jain <priyanka.jain at nxp.com>; Ye Li <ye.li at nxp.com>; Horia Geanta
> <horia.geanta at nxp.com>; Ji Luo <ji.luo at nxp.com>; Franck Lenormand
> <franck.lenormand at nxp.com>; Silvano Di Ninno <silvano.dininno at nxp.com>;
> Sahil Malhotra <sahil.malhotra at nxp.com>; Pankaj Gupta
> <pankaj.gupta at nxp.com>; Varun Sethi <V.Sethi at nxp.com>; dl-uboot-imx
> <uboot-imx at nxp.com>; Shengzhou Liu <shengzhou.liu at nxp.com>; Mingkai Hu
> <mingkai.hu at nxp.com>; Rajesh Bhagat <rajesh.bhagat at nxp.com>; Meenakshi
> Aggarwal <meenakshi.aggarwal at nxp.com>; Wasim Khan
> <wasim.khan at nxp.com>; Alison Wang <alison.wang at nxp.com>; Pramod
> Kumar <pramod.kumar_1 at nxp.com>; Andy Tang <andy.tang at nxp.com>;
> Adrian Alonso <adrian.alonso at nxp.com>; Vladimir Oltean
> <olteanv at gmail.com>; Marek Vasut <marex at denx.de>
> Subject: [EXT] Re: [PATCH v8 01/15] crypto/fsl: Add support for CAAM Job ring
> driver model
> 
> Caution: EXT Email
> 
> Hi Gaurav,
> 
> rather I still have issues to run CI with this applied. The reason is that this adds an
> overhead to SPL and it breaks the board imx6dl_mamoj because SPL exceeds the
> maximum size for a DL SOC.
> 
> See
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsource.d
> enx.de%2Fu-boot%2Fcustodians%2Fu-boot-imx%2F-
> %2Fjobs%2F387370&data=04%7C01%7Cgaurav.jain%40nxp.com%7C3a273
> 1dd27fc4bebcad308d9e8b21464%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C
> 0%7C0%7C637796673834942697%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4
> wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&am
> p;sdata=pI%2F%2FlNtrdrGCa8sSvcr6uNu4jze7pzDqZtI52FIDj50%3D&reserve
> d=0
> 
> I do not know if it is possible to drop some features from SPL for this board
> (Added Marek as board maintainer).

CONFIG_IMX_HAB is enabled for imx6dl_mamoj. So CAAM is built for SPL, results in increased size.
However CAAM is not initialized in SPL. As Stefano suggested, Can you drop some features from SPL?

Regards
Gaurav Jain 
> 
> Best regards,
> Stefano
> 
> On 10.01.22 13:27, Gaurav Jain wrote:
> > added device tree support for job ring driver.
> > sec is initialized based on job ring information processed from device
> > tree.
> >
> > Signed-off-by: Gaurav Jain <gaurav.jain at nxp.com>
> > Reviewed-by: Ye Li <ye.li at nxp.com>
> > ---
> >   drivers/crypto/fsl/jr.c | 323 ++++++++++++++++++++++++++--------------
> >   drivers/crypto/fsl/jr.h |  31 +++-
> >   2 files changed, 240 insertions(+), 114 deletions(-)
> >
> > diff --git a/drivers/crypto/fsl/jr.c b/drivers/crypto/fsl/jr.c index
> > 22b649219e..8103987425 100644
> > --- a/drivers/crypto/fsl/jr.c
> > +++ b/drivers/crypto/fsl/jr.c
> > @@ -1,7 +1,7 @@
> >   // SPDX-License-Identifier: GPL-2.0+
> >   /*
> >    * Copyright 2008-2014 Freescale Semiconductor, Inc.
> > - * Copyright 2018 NXP
> > + * Copyright 2018, 2021 NXP
> >    *
> >    * Based on CAAM driver in drivers/crypto/caam in Linux
> >    */
> > @@ -11,7 +11,6 @@
> >   #include <linux/kernel.h>
> >   #include <log.h>
> >   #include <malloc.h>
> > -#include "fsl_sec.h"
> >   #include "jr.h"
> >   #include "jobdesc.h"
> >   #include "desc_constr.h"
> > @@ -21,7 +20,10 @@
> >   #include <asm/cache.h>
> >   #include <asm/fsl_pamu.h>
> >   #endif
> > +#include <dm.h>
> >   #include <dm/lists.h>
> > +#include <dm/root.h>
> > +#include <dm/device-internal.h>
> >   #include <linux/delay.h>
> >
> >   #define CIRC_CNT(head, tail, size)  (((head) - (tail)) & (size - 1))
> > @@ -35,20 +37,29 @@ uint32_t
> sec_offset[CONFIG_SYS_FSL_MAX_NUM_OF_SEC] = {
> >   #endif
> >   };
> >
> > +#if CONFIG_IS_ENABLED(DM)
> > +struct udevice *caam_dev;
> > +#else
> >   #define SEC_ADDR(idx)       \
> >       (ulong)((CONFIG_SYS_FSL_SEC_ADDR + sec_offset[idx]))
> >
> >   #define SEC_JR0_ADDR(idx)   \
> >       (ulong)(SEC_ADDR(idx) + \
> >        (CONFIG_SYS_FSL_JR0_OFFSET - CONFIG_SYS_FSL_SEC_OFFSET))
> > +struct caam_regs caam_st;
> > +#endif
> >
> > -struct jobring jr0[CONFIG_SYS_FSL_MAX_NUM_OF_SEC];
> > +static inline u32 jr_start_reg(u8 jrid) {
> > +     return (1 << jrid);
> > +}
> >
> > -static inline void start_jr0(uint8_t sec_idx)
> > +static inline void start_jr(struct caam_regs *caam)
> >   {
> > -     ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx);
> > +     ccsr_sec_t *sec = caam->sec;
> >       u32 ctpr_ms = sec_in32(&sec->ctpr_ms);
> >       u32 scfgr = sec_in32(&sec->scfgr);
> > +     u32 jrstart = jr_start_reg(caam->jrid);
> >
> >       if (ctpr_ms & SEC_CTPR_MS_VIRT_EN_INCL) {
> >               /* VIRT_EN_INCL = 1 & VIRT_EN_POR = 1 or @@ -56,23
> > +67,16 @@ static inline void start_jr0(uint8_t sec_idx)
> >                */
> >               if ((ctpr_ms & SEC_CTPR_MS_VIRT_EN_POR) ||
> >                   (scfgr & SEC_SCFGR_VIRT_EN))
> > -                     sec_out32(&sec->jrstartr, CONFIG_JRSTARTR_JR0);
> > +                     sec_out32(&sec->jrstartr, jrstart);
> >       } else {
> >               /* VIRT_EN_INCL = 0 && VIRT_EN_POR_VALUE = 1 */
> >               if (ctpr_ms & SEC_CTPR_MS_VIRT_EN_POR)
> > -                     sec_out32(&sec->jrstartr, CONFIG_JRSTARTR_JR0);
> > +                     sec_out32(&sec->jrstartr, jrstart);
> >       }
> >   }
> >
> > -static inline void jr_reset_liodn(uint8_t sec_idx)
> > +static inline void jr_disable_irq(struct jr_regs *regs)
> >   {
> > -     ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx);
> > -     sec_out32(&sec->jrliodnr[0].ls, 0);
> > -}
> > -
> > -static inline void jr_disable_irq(uint8_t sec_idx) -{
> > -     struct jr_regs *regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx);
> >       uint32_t jrcfg = sec_in32(&regs->jrcfg1);
> >
> >       jrcfg = jrcfg | JR_INTMASK;
> > @@ -80,10 +84,10 @@ static inline void jr_disable_irq(uint8_t sec_idx)
> >       sec_out32(&regs->jrcfg1, jrcfg);
> >   }
> >
> > -static void jr_initregs(uint8_t sec_idx)
> > +static void jr_initregs(uint8_t sec_idx, struct caam_regs *caam)
> >   {
> > -     struct jr_regs *regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx);
> > -     struct jobring *jr = &jr0[sec_idx];
> > +     struct jr_regs *regs = caam->regs;
> > +     struct jobring *jr = &caam->jr[sec_idx];
> >       caam_dma_addr_t ip_base = virt_to_phys((void *)jr->input_ring);
> >       caam_dma_addr_t op_base = virt_to_phys((void *)jr->output_ring);
> >
> > @@ -103,16 +107,16 @@ static void jr_initregs(uint8_t sec_idx)
> >       sec_out32(&regs->irs, JR_SIZE);
> >
> >       if (!jr->irq)
> > -             jr_disable_irq(sec_idx);
> > +             jr_disable_irq(regs);
> >   }
> >
> > -static int jr_init(uint8_t sec_idx)
> > +static int jr_init(uint8_t sec_idx, struct caam_regs *caam)
> >   {
> > -     struct jobring *jr = &jr0[sec_idx];
> > +     struct jobring *jr = &caam->jr[sec_idx];
> >
> >       memset(jr, 0, sizeof(struct jobring));
> >
> > -     jr->jq_id = DEFAULT_JR_ID;
> > +     jr->jq_id = caam->jrid;
> >       jr->irq = DEFAULT_IRQ;
> >
> >   #ifdef CONFIG_FSL_CORENET
> > @@ -134,53 +138,8 @@ static int jr_init(uint8_t sec_idx)
> >       memset(jr->input_ring, 0, JR_SIZE * sizeof(caam_dma_addr_t));
> >       memset(jr->output_ring, 0, jr->op_size);
> >
> > -     start_jr0(sec_idx);
> > -
> > -     jr_initregs(sec_idx);
> > -
> > -     return 0;
> > -}
> > -
> > -static int jr_sw_cleanup(uint8_t sec_idx) -{
> > -     struct jobring *jr = &jr0[sec_idx];
> > -
> > -     jr->head = 0;
> > -     jr->tail = 0;
> > -     jr->read_idx = 0;
> > -     jr->write_idx = 0;
> > -     memset(jr->info, 0, sizeof(jr->info));
> > -     memset(jr->input_ring, 0, jr->size * sizeof(caam_dma_addr_t));
> > -     memset(jr->output_ring, 0, jr->size * sizeof(struct op_ring));
> > -
> > -     return 0;
> > -}
> > -
> > -static int jr_hw_reset(uint8_t sec_idx) -{
> > -     struct jr_regs *regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx);
> > -     uint32_t timeout = 100000;
> > -     uint32_t jrint, jrcr;
> > -
> > -     sec_out32(&regs->jrcr, JRCR_RESET);
> > -     do {
> > -             jrint = sec_in32(&regs->jrint);
> > -     } while (((jrint & JRINT_ERR_HALT_MASK) ==
> > -               JRINT_ERR_HALT_INPROGRESS) && --timeout);
> > -
> > -     jrint = sec_in32(&regs->jrint);
> > -     if (((jrint & JRINT_ERR_HALT_MASK) !=
> > -          JRINT_ERR_HALT_INPROGRESS) && timeout == 0)
> > -             return -1;
> > -
> > -     timeout = 100000;
> > -     sec_out32(&regs->jrcr, JRCR_RESET);
> > -     do {
> > -             jrcr = sec_in32(&regs->jrcr);
> > -     } while ((jrcr & JRCR_RESET) && --timeout);
> > -
> > -     if (timeout == 0)
> > -             return -1;
> > +     start_jr(caam);
> > +     jr_initregs(sec_idx, caam);
> >
> >       return 0;
> >   }
> > @@ -188,10 +147,10 @@ static int jr_hw_reset(uint8_t sec_idx)
> >   /* -1 --- error, can't enqueue -- no space available */
> >   static int jr_enqueue(uint32_t *desc_addr,
> >              void (*callback)(uint32_t status, void *arg),
> > -            void *arg, uint8_t sec_idx)
> > +            void *arg, uint8_t sec_idx, struct caam_regs *caam)
> >   {
> > -     struct jr_regs *regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx);
> > -     struct jobring *jr = &jr0[sec_idx];
> > +     struct jr_regs *regs = caam->regs;
> > +     struct jobring *jr = &caam->jr[sec_idx];
> >       int head = jr->head;
> >       uint32_t desc_word;
> >       int length = desc_len(desc_addr); @@ -263,10 +222,10 @@ static
> > int jr_enqueue(uint32_t *desc_addr,
> >       return 0;
> >   }
> >
> > -static int jr_dequeue(int sec_idx)
> > +static int jr_dequeue(int sec_idx, struct caam_regs *caam)
> >   {
> > -     struct jr_regs *regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx);
> > -     struct jobring *jr = &jr0[sec_idx];
> > +     struct jr_regs *regs = caam->regs;
> > +     struct jobring *jr = &caam->jr[sec_idx];
> >       int head = jr->head;
> >       int tail = jr->tail;
> >       int idx, i, found;
> > @@ -349,14 +308,18 @@ static void desc_done(uint32_t status, void *arg)
> >   {
> >       struct result *x = arg;
> >       x->status = status;
> > -#ifndef CONFIG_SPL_BUILD
> >       caam_jr_strstatus(status);
> > -#endif
> >       x->done = 1;
> >   }
> >
> >   static inline int run_descriptor_jr_idx(uint32_t *desc, uint8_t sec_idx)
> >   {
> > +     struct caam_regs *caam;
> > +#if CONFIG_IS_ENABLED(DM)
> > +     caam = dev_get_priv(caam_dev);
> > +#else
> > +     caam = &caam_st;
> > +#endif
> >       unsigned long long timeval = 0;
> >       unsigned long long timeout = CONFIG_USEC_DEQ_TIMEOUT;
> >       struct result op;
> > @@ -364,7 +327,7 @@ static inline int run_descriptor_jr_idx(uint32_t
> > *desc, uint8_t sec_idx)
> >
> >       memset(&op, 0, sizeof(op));
> >
> > -     ret = jr_enqueue(desc, desc_done, &op, sec_idx);
> > +     ret = jr_enqueue(desc, desc_done, &op, sec_idx, caam);
> >       if (ret) {
> >               debug("Error in SEC enq\n");
> >               ret = JQ_ENQ_ERR;
> > @@ -375,7 +338,7 @@ static inline int run_descriptor_jr_idx(uint32_t *desc,
> uint8_t sec_idx)
> >               udelay(1);
> >               timeval += 1;
> >
> > -             ret = jr_dequeue(sec_idx);
> > +             ret = jr_dequeue(sec_idx, caam);
> >               if (ret) {
> >                       debug("Error in SEC deq\n");
> >                       ret = JQ_DEQ_ERR; @@ -402,13 +365,62 @@ int
> > run_descriptor_jr(uint32_t *desc)
> >       return run_descriptor_jr_idx(desc, 0);
> >   }
> >
> > +static int jr_sw_cleanup(uint8_t sec_idx, struct caam_regs *caam) {
> > +     struct jobring *jr = &caam->jr[sec_idx];
> > +
> > +     jr->head = 0;
> > +     jr->tail = 0;
> > +     jr->read_idx = 0;
> > +     jr->write_idx = 0;
> > +     memset(jr->info, 0, sizeof(jr->info));
> > +     memset(jr->input_ring, 0, jr->size * sizeof(caam_dma_addr_t));
> > +     memset(jr->output_ring, 0, jr->size * sizeof(struct op_ring));
> > +
> > +     return 0;
> > +}
> > +
> > +static int jr_hw_reset(struct jr_regs *regs) {
> > +     uint32_t timeout = 100000;
> > +     uint32_t jrint, jrcr;
> > +
> > +     sec_out32(&regs->jrcr, JRCR_RESET);
> > +     do {
> > +             jrint = sec_in32(&regs->jrint);
> > +     } while (((jrint & JRINT_ERR_HALT_MASK) ==
> > +               JRINT_ERR_HALT_INPROGRESS) && --timeout);
> > +
> > +     jrint = sec_in32(&regs->jrint);
> > +     if (((jrint & JRINT_ERR_HALT_MASK) !=
> > +          JRINT_ERR_HALT_INPROGRESS) && timeout == 0)
> > +             return -1;
> > +
> > +     timeout = 100000;
> > +     sec_out32(&regs->jrcr, JRCR_RESET);
> > +     do {
> > +             jrcr = sec_in32(&regs->jrcr);
> > +     } while ((jrcr & JRCR_RESET) && --timeout);
> > +
> > +     if (timeout == 0)
> > +             return -1;
> > +
> > +     return 0;
> > +}
> > +
> >   static inline int jr_reset_sec(uint8_t sec_idx)
> >   {
> > -     if (jr_hw_reset(sec_idx) < 0)
> > +     struct caam_regs *caam;
> > +#if CONFIG_IS_ENABLED(DM)
> > +     caam = dev_get_priv(caam_dev);
> > +#else
> > +     caam = &caam_st;
> > +#endif
> > +     if (jr_hw_reset(caam->regs) < 0)
> >               return -1;
> >
> >       /* Clean up the jobring structure maintained by software */
> > -     jr_sw_cleanup(sec_idx);
> > +     jr_sw_cleanup(sec_idx, caam);
> >
> >       return 0;
> >   }
> > @@ -418,9 +430,15 @@ int jr_reset(void)
> >       return jr_reset_sec(0);
> >   }
> >
> > -static inline int sec_reset_idx(uint8_t sec_idx)
> > +int sec_reset(void)
> >   {
> > -     ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx);
> > +     struct caam_regs *caam;
> > +#if CONFIG_IS_ENABLED(DM)
> > +     caam = dev_get_priv(caam_dev);
> > +#else
> > +     caam = &caam_st;
> > +#endif
> > +     ccsr_sec_t *sec = caam->sec;
> >       uint32_t mcfgr = sec_in32(&sec->mcfgr);
> >       uint32_t timeout = 100000;
> >
> > @@ -446,11 +464,7 @@ static inline int sec_reset_idx(uint8_t sec_idx)
> >
> >       return 0;
> >   }
> > -int sec_reset(void)
> > -{
> > -     return sec_reset_idx(0);
> > -}
> > -#ifndef CONFIG_SPL_BUILD
> > +
> >   static int deinstantiate_rng(u8 sec_idx, int state_handle_mask)
> >   {
> >       u32 *desc;
> > @@ -496,12 +510,11 @@ static int deinstantiate_rng(u8 sec_idx, int
> state_handle_mask)
> >       return ret;
> >   }
> >
> > -static int instantiate_rng(u8 sec_idx, int gen_sk)
> > +static int instantiate_rng(uint8_t sec_idx, ccsr_sec_t *sec, int
> > +gen_sk)
> >   {
> >       u32 *desc;
> >       u32 rdsta_val;
> >       int ret = 0, sh_idx, size;
> > -     ccsr_sec_t __iomem *sec = (ccsr_sec_t __iomem *)SEC_ADDR(sec_idx);
> >       struct rng4tst __iomem *rng =
> >                       (struct rng4tst __iomem *)&sec->rng;
> >
> > @@ -554,9 +567,8 @@ static int instantiate_rng(u8 sec_idx, int gen_sk)
> >       return ret;
> >   }
> >
> > -static u8 get_rng_vid(uint8_t sec_idx)
> > +static u8 get_rng_vid(ccsr_sec_t *sec)
> >   {
> > -     ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx);
> >       u8 vid;
> >
> >       if (caam_get_era() < 10) {
> > @@ -574,9 +586,8 @@ static u8 get_rng_vid(uint8_t sec_idx)
> >    * By default, the TRNG runs for 200 clocks per sample;
> >    * 1200 clocks per sample generates better entropy.
> >    */
> > -static void kick_trng(int ent_delay, uint8_t sec_idx)
> > +static void kick_trng(int ent_delay, ccsr_sec_t *sec)
> >   {
> > -     ccsr_sec_t __iomem *sec = (ccsr_sec_t __iomem *)SEC_ADDR(sec_idx);
> >       struct rng4tst __iomem *rng =
> >                       (struct rng4tst __iomem *)&sec->rng;
> >       u32 val;
> > @@ -603,10 +614,9 @@ static void kick_trng(int ent_delay, uint8_t sec_idx)
> >       sec_clrbits32(&rng->rtmctl, RTMCTL_PRGM);
> >   }
> >
> > -static int rng_init(uint8_t sec_idx)
> > +static int rng_init(uint8_t sec_idx, ccsr_sec_t *sec)
> >   {
> >       int ret, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN;
> > -     ccsr_sec_t __iomem *sec = (ccsr_sec_t __iomem *)SEC_ADDR(sec_idx);
> >       struct rng4tst __iomem *rng =
> >                       (struct rng4tst __iomem *)&sec->rng;
> >       u32 inst_handles;
> > @@ -624,7 +634,7 @@ static int rng_init(uint8_t sec_idx)
> >                * the TRNG parameters.
> >                */
> >               if (!inst_handles) {
> > -                     kick_trng(ent_delay, sec_idx);
> > +                     kick_trng(ent_delay, sec);
> >                       ent_delay += 400;
> >               }
> >               /*
> > @@ -634,7 +644,7 @@ static int rng_init(uint8_t sec_idx)
> >                * interval, leading to a sucessful initialization of
> >                * the RNG.
> >                */
> > -             ret = instantiate_rng(sec_idx, gen_sk);
> > +             ret = instantiate_rng(sec_idx, sec, gen_sk);
> >       } while ((ret == -1) && (ent_delay < RTSDCTL_ENT_DLY_MAX));
> >       if (ret) {
> >               printf("SEC%u:  Failed to instantiate RNG\n", sec_idx);
> > @@ -646,13 +656,28 @@ static int rng_init(uint8_t sec_idx)
> >
> >       return ret;
> >   }
> > -#endif
> > +
> >   int sec_init_idx(uint8_t sec_idx)
> >   {
> > -     ccsr_sec_t *sec = (void *)SEC_ADDR(sec_idx);
> > -     uint32_t mcr = sec_in32(&sec->mcfgr);
> >       int ret = 0;
> > -
> > +     struct caam_regs *caam;
> > +#if CONFIG_IS_ENABLED(DM)
> > +     if (!caam_dev) {
> > +             printf("caam_jr: caam not found\n");
> > +             return -1;
> > +     }
> > +     caam = dev_get_priv(caam_dev);
> > +#else
> > +     caam_st.sec = (void *)SEC_ADDR(sec_idx);
> > +     caam_st.regs = (struct jr_regs *)SEC_JR0_ADDR(sec_idx);
> > +     caam_st.jrid = 0;
> > +     caam = &caam_st;
> > +#endif
> > +     ccsr_sec_t *sec = caam->sec;
> > +     uint32_t mcr = sec_in32(&sec->mcfgr); #if
> > +defined(CONFIG_SPL_BUILD) && defined(CONFIG_IMX8M)
> > +     uint32_t jrdid_ms = 0;
> > +#endif
> >   #ifdef CONFIG_FSL_CORENET
> >       uint32_t liodnr;
> >       uint32_t liodn_ns;
> > @@ -682,6 +707,11 @@ int sec_init_idx(uint8_t sec_idx)
> >       mcr |= (1 << MCFGR_PS_SHIFT);
> >   #endif
> >       sec_out32(&sec->mcfgr, mcr);
> > +#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_IMX8M)
> > +     jrdid_ms = JRDID_MS_TZ_OWN | JRDID_MS_PRIM_TZ |
> JRDID_MS_PRIM_DID;
> > +     sec_out32(&sec->jrliodnr[caam->jrid].ms, jrdid_ms); #endif
> > +     jr_reset();
> >
> >   #ifdef CONFIG_FSL_CORENET
> >   #ifdef CONFIG_SPL_BUILD
> > @@ -693,20 +723,19 @@ int sec_init_idx(uint8_t sec_idx)
> >       liodn_ns = CONFIG_SPL_JR0_LIODN_NS & JRNSLIODN_MASK;
> >       liodn_s = CONFIG_SPL_JR0_LIODN_S & JRSLIODN_MASK;
> >
> > -     liodnr = sec_in32(&sec->jrliodnr[0].ls) &
> > +     liodnr = sec_in32(&sec->jrliodnr[caam->jrid].ls) &
> >                ~(JRNSLIODN_MASK | JRSLIODN_MASK);
> >       liodnr = liodnr |
> >                (liodn_ns << JRNSLIODN_SHIFT) |
> >                (liodn_s << JRSLIODN_SHIFT);
> > -     sec_out32(&sec->jrliodnr[0].ls, liodnr);
> > +     sec_out32(&sec->jrliodnr[caam->jrid].ls, liodnr);
> >   #else
> > -     liodnr = sec_in32(&sec->jrliodnr[0].ls);
> > +     liodnr = sec_in32(&sec->jrliodnr[caam->jrid].ls);
> >       liodn_ns = (liodnr & JRNSLIODN_MASK) >> JRNSLIODN_SHIFT;
> >       liodn_s = (liodnr & JRSLIODN_MASK) >> JRSLIODN_SHIFT;
> >   #endif
> >   #endif
> > -
> > -     ret = jr_init(sec_idx);
> > +     ret = jr_init(sec_idx, caam);
> >       if (ret < 0) {
> >               printf("SEC%u:  initialization failed\n", sec_idx);
> >               return -1;
> > @@ -719,9 +748,9 @@ int sec_init_idx(uint8_t sec_idx)
> >
> >       pamu_enable();
> >   #endif
> > -#ifndef CONFIG_SPL_BUILD
> > -     if (get_rng_vid(sec_idx) >= 4) {
> > -             if (rng_init(sec_idx) < 0) {
> > +
> > +     if (get_rng_vid(caam->sec) >= 4) {
> > +             if (rng_init(sec_idx, caam->sec) < 0) {
> >                       printf("SEC%u:  RNG instantiation failed\n", sec_idx);
> >                       return -1;
> >               }
> > @@ -735,7 +764,6 @@ int sec_init_idx(uint8_t sec_idx)
> >
> >               printf("SEC%u:  RNG instantiated\n", sec_idx);
> >       }
> > -#endif
> >       return ret;
> >   }
> >
> > @@ -743,3 +771,76 @@ int sec_init(void)
> >   {
> >       return sec_init_idx(0);
> >   }
> > +
> > +#if CONFIG_IS_ENABLED(DM)
> > +static int caam_jr_ioctl(struct udevice *dev, unsigned long request,
> > +void *buf) {
> > +     if (request != CAAM_JR_RUN_DESC)
> > +             return -ENOSYS;
> > +
> > +     return run_descriptor_jr(buf);
> > +}
> > +
> > +static int caam_jr_probe(struct udevice *dev) {
> > +     struct caam_regs *caam = dev_get_priv(dev);
> > +     fdt_addr_t addr;
> > +     ofnode node;
> > +     unsigned int jr_node = 0;
> > +
> > +     caam_dev = dev;
> > +
> > +     addr = dev_read_addr(dev);
> > +     if (addr == FDT_ADDR_T_NONE) {
> > +             printf("caam_jr: crypto not found\n");
> > +             return -EINVAL;
> > +     }
> > +     caam->sec = (ccsr_sec_t *)(uintptr_t)addr;
> > +     caam->regs = (struct jr_regs *)caam->sec;
> > +
> > +     /* Check for enabled job ring node */
> > +     ofnode_for_each_subnode(node, dev_ofnode(dev)) {
> > +             if (!ofnode_is_available(node))
> > +                     continue;
> > +
> > +             jr_node = ofnode_read_u32_default(node, "reg", -1);
> > +             if (jr_node > 0) {
> > +                     caam->regs = (struct jr_regs *)((ulong)caam->sec + jr_node);
> > +                     while (!(jr_node & 0x0F))
> > +                             jr_node = jr_node >> 4;
> > +
> > +                     caam->jrid = jr_node - 1;
> > +                     break;
> > +             }
> > +     }
> > +
> > +     if (sec_init())
> > +             printf("\nsec_init failed!\n");
> > +
> > +     return 0;
> > +}
> > +
> > +static int caam_jr_bind(struct udevice *dev) {
> > +     return 0;
> > +}
> > +
> > +static const struct misc_ops caam_jr_ops = {
> > +     .ioctl = caam_jr_ioctl,
> > +};
> > +
> > +static const struct udevice_id caam_jr_match[] = {
> > +     { .compatible = "fsl,sec-v4.0" },
> > +     { }
> > +};
> > +
> > +U_BOOT_DRIVER(caam_jr) = {
> > +     .name           = "caam_jr",
> > +     .id             = UCLASS_MISC,
> > +     .of_match       = caam_jr_match,
> > +     .ops            = &caam_jr_ops,
> > +     .bind           = caam_jr_bind,
> > +     .probe          = caam_jr_probe,
> > +     .priv_auto      = sizeof(struct caam_regs),
> > +};
> > +#endif
> > diff --git a/drivers/crypto/fsl/jr.h b/drivers/crypto/fsl/jr.h index
> > 1047aa772c..3eb7be79da 100644
> > --- a/drivers/crypto/fsl/jr.h
> > +++ b/drivers/crypto/fsl/jr.h
> > @@ -1,6 +1,7 @@
> >   /* SPDX-License-Identifier: GPL-2.0+ */
> >   /*
> >    * Copyright 2008-2014 Freescale Semiconductor, Inc.
> > + * Copyright 2021 NXP
> >    *
> >    */
> >
> > @@ -8,7 +9,9 @@
> >   #define __JR_H
> >
> >   #include <linux/compiler.h>
> > +#include "fsl_sec.h"
> >   #include "type.h"
> > +#include <misc.h>
> >
> >   #define JR_SIZE 4
> >   /* Timeout currently defined as 10 sec */ @@ -35,12 +38,21 @@
> >   #define JRSLIODN_SHIFT              0
> >   #define JRSLIODN_MASK               0x00000fff
> >
> > -#define JQ_DEQ_ERR           -1
> > -#define JQ_DEQ_TO_ERR                -2
> > -#define JQ_ENQ_ERR           -3
> > +#define JRDID_MS_PRIM_DID    BIT(0)
> > +#define JRDID_MS_PRIM_TZ     BIT(4)
> > +#define JRDID_MS_TZ_OWN              BIT(15)
> > +
> > +#define JQ_DEQ_ERR           (-1)
> > +#define JQ_DEQ_TO_ERR                (-2)
> > +#define JQ_ENQ_ERR           (-3)
> >
> >   #define RNG4_MAX_HANDLES    2
> >
> > +enum {
> > +     /* Run caam jobring descriptor(in buf) */
> > +     CAAM_JR_RUN_DESC,
> > +};
> > +
> >   struct op_ring {
> >       caam_dma_addr_t desc;
> >       uint32_t status;
> > @@ -102,6 +114,19 @@ struct result {
> >       uint32_t status;
> >   };
> >
> > +/*
> > + * struct caam_regs - CAAM initialization register interface
> > + *
> > + * Interface to caam memory map, jobring register, jobring storage.
> > + */
> > +struct caam_regs {
> > +     ccsr_sec_t *sec;        /*caam initialization registers*/
> > +     struct jr_regs *regs;   /*jobring configuration registers*/
> > +     u8 jrid;                /*id to identify a jobring*/
> > +     /*Private sub-storage for a single JobR*/
> > +     struct jobring jr[CONFIG_SYS_FSL_MAX_NUM_OF_SEC];
> > +};
> > +
> >   void caam_jr_strstatus(u32 status);
> >   int run_descriptor_jr(uint32_t *desc);
> >
> 
> --
> =================================================================
> ====
> DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: +49-8142-66989-53 Fax: +49-8142-66989-80 Email: sbabic at denx.de
> =================================================================
> ====


More information about the U-Boot mailing list