From: Pratiyush Mohan Srivastava <pratiyush.srivast...@nxp.com>
Environment variable mcinitcmd is defined to initiate MC and DPL deployment
from the location where it is stored(NOR, NAND, SD, SATA, USB)during u-boot
booting.If this variable is not defined then macro MC_BOOT_ENV_VAR will be null
and
MC will not be booted and DPL will not be applied during U-boot booting.
Signed-off-by: Pratiyush Mohan Srivastava <pratiyush.srivast...@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushw...@nxp.com>
---
arch/arm/cpu/armv8/fsl-layerscape/README.lsch3 | 29 ++++++++++++++++++++++++++
board/freescale/ls2080aqds/eth.c | 5 +++++
board/freescale/ls2080ardb/eth_ls2080rdb.c | 5 +++++
3 files changed, 39 insertions(+)
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/README.lsch3
b/arch/arm/cpu/armv8/fsl-layerscape/README.lsch3
index f9323c1..da5e052 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/README.lsch3
+++ b/arch/arm/cpu/armv8/fsl-layerscape/README.lsch3
@@ -121,6 +121,35 @@ mcboottimeout: MC boot timeout in milliseconds. If
this variable is not defined
mcmemsize: MC DRAM block size. If this variable is not defined, the value
CONFIG_SYS_LS_MC_DRAM_BLOCK_MIN_SIZE will be assumed.
+mcinitcmd: This environment variable is defined to initiate MC and DPL
deployment
+ from the location where it is stored(NOR, NAND, SD, SATA,
USB)during
+ u-boot booting.If this variable is not defined then
MC_BOOT_ENV_VAR
+ will be null and MC will not be booted and DPL will not be
applied
+ during U-boot booting.However the MC, DPC and DPL can be
applied from
+ console independently.
+ The variable needs to be set from the console once and then on
+ rebooting the parameters set in the varible will automatically
be
+ executed. The commmand is demostrated taking an example of mc
boot
+ using NOR Flash i.e. MC, DPL, and DPC is stored in the NOR
flash:
+
+ cp.b 0xa0000000 0x580300000 $filesize
+ cp.b 0x80000000 0x580800000 $filesize
+ cp.b 0x90000000 0x580700000 $filesize
+
+ setenv mcinitcmd 'fsl_mc start mc 0x580300000 0x580800000'
+
+ If only linux is to be booted then the mcinitcmd environment
should be set as
+
+ setenv mcinitcmd 'fsl_mc start mc 0x580300000
0x580800000;fsl_mc apply DPL 0x580700000'
+
+ Here the addresses 0xa0000000, 0x80000000, 0x80000000 are of
DDR to where
+ MC binary, DPC binary and DPL binary are stored and
0x580300000, 0x580800000
+ and 0x580700000 are addresses in NOR where these are copied. It
is to be
+ noted that these addresses in 'fsl_mc start mc 0x580300000
0x580800000;fsl_mc apply DPL 0x580700000'
+ can be replaced with the addresses of DDR to
+ which these will be copied in case of these binaries being
stored in other
+ devices like SATA, USB, NAND, SD etc.
+
Booting from NAND
-------------------
Booting from NAND requires two images, RCW and u-boot-with-spl.bin.
diff --git a/board/freescale/ls2080aqds/eth.c b/board/freescale/ls2080aqds/eth.c
index 5b9c2d1..db9de77 100644
--- a/board/freescale/ls2080aqds/eth.c
+++ b/board/freescale/ls2080aqds/eth.c
@@ -20,6 +20,7 @@
#include "ls2080aqds_qixis.h"
+#define MC_BOOT_ENV_VAR "mcinitcmd"
#ifdef CONFIG_FSL_MC_ENET
/* - In LS2080A there are only 16 SERDES lanes, spread across 2 SERDES banks.
@@ -714,6 +715,7 @@ void ls2080a_handle_phy_interface_xsgmii(int i)
int board_eth_init(bd_t *bis)
{
int error;
+ char *mc_boot_env_var;
#ifdef CONFIG_FSL_MC_ENET
struct ccsr_gur __iomem *gur = (void *)CONFIG_SYS_FSL_GUTS_ADDR;
int serdes1_prtcl = (in_le32(&gur->rcwsr[28]) &
@@ -781,6 +783,9 @@ int board_eth_init(bd_t *bis)
}
}
+ mc_boot_env_var = getenv(MC_BOOT_ENV_VAR);
+ if (mc_boot_env_var)
+ run_command_list(mc_boot_env_var, -1, 0);
error = cpu_eth_init(bis);
if (hwconfig_f("xqsgmii", env_hwconfig)) {
diff --git a/board/freescale/ls2080ardb/eth_ls2080rdb.c
b/board/freescale/ls2080ardb/eth_ls2080rdb.c
index 58ea746..758bb3d 100644
--- a/board/freescale/ls2080ardb/eth_ls2080rdb.c
+++ b/board/freescale/ls2080ardb/eth_ls2080rdb.c
@@ -20,9 +20,11 @@
DECLARE_GLOBAL_DATA_PTR;
+#define MC_BOOT_ENV_VAR "mcinitcmd"
int board_eth_init(bd_t *bis)
{
#if defined(CONFIG_FSL_MC_ENET)
+ char *mc_boot_env_var;
int i, interface;
struct memac_mdio_info mdio_info;
struct mii_dev *dev;
@@ -89,6 +91,9 @@ int board_eth_init(bd_t *bis)
}
}
+ mc_boot_env_var = getenv(MC_BOOT_ENV_VAR);
+ if (mc_boot_env_var)
+ run_command_list(mc_boot_env_var, -1, 0);
cpu_eth_init(bis);
#endif /* CONFIG_FMAN_ENET */
--
1.9.1
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