The QorIQ LS1012A processor, optimized for battery-backed or
USB-powered, integrates a single ARM Cortex-A53 core with a hardware
packet forwarding engine and high-speed interfaces to deliver
line-rate networking performance.

This patch add support of LS1012A SoC along with
 - Update platform & DDR clock read logic as per SVR
 - Define MMDC controller register set.
 - Update LUT base address for PCIe
 - Avoid L3 platform cache compilation
 - Update USB address, errata
 - SerDes table
 - Added CSU IDs for SDHC2, SAI-1 to SAI-4

Signed-off-by: Calvin Johnson <calvin.john...@nxp.com>
Signed-off-by: Makarand Pawagi <makarand.paw...@mindspeed.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushw...@nxp.com>
---
 arch/arm/cpu/armv8/fsl-layerscape/Makefile         |  4 +
 .../arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c | 24 ++++--
 arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S       |  2 +
 arch/arm/cpu/armv8/fsl-layerscape/ls1012a_serdes.c | 74 +++++++++++++++++
 arch/arm/include/asm/arch-fsl-layerscape/config.h  | 31 +++++++
 arch/arm/include/asm/arch-fsl-layerscape/cpu.h     |  1 +
 .../include/asm/arch-fsl-layerscape/fsl_serdes.h   |  1 +
 .../include/asm/arch-fsl-layerscape/immap_lsch2.h  |  4 +
 .../include/asm/arch-fsl-layerscape/ns_access.h    | 10 +++
 arch/arm/include/asm/arch-fsl-layerscape/soc.h     |  1 +
 include/fsl_mmdc.h                                 | 94 ++++++++++++++++++++++
 include/linux/usb/xhci-fsl.h                       |  6 +-
 12 files changed, 245 insertions(+), 7 deletions(-)
 create mode 100644 arch/arm/cpu/armv8/fsl-layerscape/ls1012a_serdes.c
 create mode 100644 include/fsl_mmdc.h

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Makefile 
b/arch/arm/cpu/armv8/fsl-layerscape/Makefile
index 5f86ef9..eb2cbc3 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Makefile
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Makefile
@@ -28,3 +28,7 @@ endif
 ifneq ($(CONFIG_LS1043A),)
 obj-$(CONFIG_SYS_HAS_SERDES) += ls1043a_serdes.o
 endif
+
+ifneq ($(CONFIG_LS1012A),)
+obj-$(CONFIG_SYS_HAS_SERDES) += ls1012a_serdes.o
+endif
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c 
b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c
index 4fc3186..41c3688 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/fsl_lsch2_speed.c
@@ -33,6 +33,7 @@ void get_sys_info(struct sys_info *sys_info)
 #endif
        struct ccsr_clk *clk = (void *)(CONFIG_SYS_FSL_CLK_ADDR);
        unsigned int cpu;
+       unsigned int svr, ver;
        const u8 core_cplx_pll[8] = {
                [0] = 0,        /* CC1 PPL / 1 */
                [1] = 0,        /* CC1 PPL / 2 */
@@ -59,12 +60,20 @@ void get_sys_info(struct sys_info *sys_info)
        sys_info->freq_ddrbus = sysclk;
 #endif
 
-       sys_info->freq_systembus *= (gur_in32(&gur->rcwsr[0]) >>
-                       FSL_CHASSIS2_RCWSR0_SYS_PLL_RAT_SHIFT) &
-                       FSL_CHASSIS2_RCWSR0_SYS_PLL_RAT_MASK;
-       sys_info->freq_ddrbus *= (gur_in32(&gur->rcwsr[0]) >>
-                       FSL_CHASSIS2_RCWSR0_MEM_PLL_RAT_SHIFT) &
-                       FSL_CHASSIS2_RCWSR0_MEM_PLL_RAT_MASK;
+       svr = gur_in32(&gur->svr);
+       ver = SVR_SOC_VER(svr);
+       if (ver == SVR_LS1012) {
+               sys_info->freq_ddrbus *= (gur_in32(&gur->rcwsr[0]) >>
+                               FSL_CHASSIS2_RCWSR0_SYS_PLL_RAT_SHIFT) &
+                               FSL_CHASSIS2_RCWSR0_SYS_PLL_RAT_MASK;
+       } else {
+               sys_info->freq_systembus *= (gur_in32(&gur->rcwsr[0]) >>
+                               FSL_CHASSIS2_RCWSR0_SYS_PLL_RAT_SHIFT) &
+                               FSL_CHASSIS2_RCWSR0_SYS_PLL_RAT_MASK;
+               sys_info->freq_ddrbus *= (gur_in32(&gur->rcwsr[0]) >>
+                               FSL_CHASSIS2_RCWSR0_MEM_PLL_RAT_SHIFT) &
+                               FSL_CHASSIS2_RCWSR0_MEM_PLL_RAT_MASK;
+       }
 
        for (i = 0; i < CONFIG_SYS_FSL_NUM_CC_PLLS; i++) {
                ratio[i] = (in_be32(&clk->pllcgsr[i].pllcngsr) >> 1) & 0xff;
@@ -83,6 +92,9 @@ void get_sys_info(struct sys_info *sys_info)
                        freq_c_pll[cplx_pll] / core_cplx_pll_div[c_pll_sel];
        }
 
+       if (ver == SVR_LS1012)
+               sys_info->freq_systembus = sys_info->freq_ddrbus / 2;
+
 #define HWA_CGA_M1_CLK_SEL     0xe0000000
 #define HWA_CGA_M1_CLK_SHIFT   29
 #ifdef CONFIG_SYS_DPAA_FMAN
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S 
b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
index d743ffe..5af6b73 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
+++ b/arch/arm/cpu/armv8/fsl-layerscape/lowlevel.S
@@ -183,6 +183,7 @@ ENTRY(lowlevel_init)
        ret
 ENDPROC(lowlevel_init)
 
+#ifdef CONFIG_FSL_LSCH3
 hnf_pstate_poll:
        /* x0 has the desired status, return 0 for success, 1 for timeout
         * clobber x1, x2, x3, x4, x6, x7
@@ -260,6 +261,7 @@ ENTRY(__asm_flush_l3_cache)
        mov     lr, x29
        ret
 ENDPROC(__asm_flush_l3_cache)
+#endif
 
 #ifdef CONFIG_MP
        /* Keep literals not used by the secondary boot code outside it */
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/ls1012a_serdes.c 
b/arch/arm/cpu/armv8/fsl-layerscape/ls1012a_serdes.c
new file mode 100644
index 0000000..ff0903c
--- /dev/null
+++ b/arch/arm/cpu/armv8/fsl-layerscape/ls1012a_serdes.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2016 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/fsl_serdes.h>
+#include <asm/arch/immap_lsch2.h>
+
+struct serdes_config {
+       u32 protocol;
+       u8 lanes[SRDS_MAX_LANES];
+};
+
+static struct serdes_config serdes1_cfg_tbl[] = {
+       {0x2208, {SGMII_2500_FM1_DTSEC1, SGMII_2500_FM1_DTSEC2, NONE, SATA1} },
+       {0x0008, {NONE, NONE, NONE, SATA1} },
+       {0x3508, {SGMII_FM1_DTSEC1, PCIE1, NONE, SATA1} },
+       {0x3305, {SGMII_FM1_DTSEC1, SGMII_FM1_DTSEC2, NONE, PCIE1} },
+       {0x2205, {SGMII_2500_FM1_DTSEC1, SGMII_2500_FM1_DTSEC2, NONE, PCIE1} },
+       {0x2305, {SGMII_2500_FM1_DTSEC1, SGMII_FM1_DTSEC2, NONE, PCIE1} },
+       {0x9508, {TX_CLK, PCIE1, NONE, SATA1} },
+       {0x3905, {SGMII_FM1_DTSEC1, TX_CLK, NONE, PCIE1} },
+       {0x9305, {TX_CLK, SGMII_FM1_DTSEC2, NONE, PCIE1} },
+       {}
+};
+
+static struct serdes_config *serdes_cfg_tbl[] = {
+       serdes1_cfg_tbl,
+};
+
+enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane)
+{
+       struct serdes_config *ptr;
+
+       if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
+               return 0;
+
+       ptr = serdes_cfg_tbl[serdes];
+       while (ptr->protocol) {
+               if (ptr->protocol == cfg)
+                       return ptr->lanes[lane];
+               ptr++;
+       }
+
+       return 0;
+}
+
+int is_serdes_prtcl_valid(int serdes, u32 prtcl)
+{
+       int i;
+       struct serdes_config *ptr;
+
+       if (serdes >= ARRAY_SIZE(serdes_cfg_tbl))
+               return 0;
+
+       ptr = serdes_cfg_tbl[serdes];
+       while (ptr->protocol) {
+               if (ptr->protocol == prtcl)
+                       break;
+               ptr++;
+       }
+
+       if (!ptr->protocol)
+               return 0;
+
+       for (i = 0; i < SRDS_MAX_LANES; i++) {
+               if (ptr->lanes[i] != NONE)
+                       return 1;
+       }
+
+       return 0;
+}
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/config.h 
b/arch/arm/include/asm/arch-fsl-layerscape/config.h
index 10d17b2..931d266 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/config.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/config.h
@@ -14,8 +14,11 @@
 #else
 #define CONFIG_SYS_FSL_DDRC_ARM_GEN3   /* Enable Freescale ARM DDR3 driver */
 #endif
+
+#ifndef CONFIG_LS1012A
 #define CONFIG_SYS_FSL_DDR             /* Freescale DDR driver */
 #define CONFIG_SYS_FSL_DDR_VER         FSL_DDR_VER_5_0
+#endif
 
 /*
  * Reserve secure memory
@@ -195,6 +198,34 @@
 #define CONFIG_SYS_FSL_ERRATUM_A009929
 #define CONFIG_SYS_FSL_ERRATUM_A009942
 #define CONFIG_SYS_FSL_ERRATUM_A009660
+
+#elif defined(CONFIG_LS1012A)
+#define CONFIG_MAX_CPUS                         1
+#define CONFIG_SYS_CACHELINE_SIZE              64
+#define CONFIG_NUM_DDR_CONTROLLERS             1
+#define CONFIG_SYS_CCSRBAR_DEFAULT             0x01000000
+#define CONFIG_SYS_FSL_SEC_COMPAT              5
+#undef CONFIG_SYS_FSL_DDRC_ARM_GEN3
+
+#define CONFIG_SYS_FSL_OCRAM_BASE              0x10000000 /* initial RAM */
+#define CONFIG_SYS_FSL_OCRAM_SIZE              0x200000 /* 2 MiB */
+
+#define GICD_BASE              0x01401000
+#define GICC_BASE              0x01402000
+
+#define CONFIG_SYS_FSL_CCSR_GUR_BE
+#define CONFIG_SYS_FSL_CCSR_SCFG_BE
+#define CONFIG_SYS_FSL_ESDHC_BE
+#define CONFIG_SYS_FSL_WDOG_BE
+#define CONFIG_SYS_FSL_DSPI_BE
+#define CONFIG_SYS_FSL_QSPI_BE
+#define CONFIG_SYS_FSL_PEX_LUT_BE
+
+#define SRDS_MAX_LANES         4
+#define CONFIG_SYS_FSL_SRDS_1
+#define CONFIG_SYS_FSL_PCIE_COMPAT             "fsl,qoriq-pcie-v2.4"
+#define CONFIG_SYS_FSL_SEC_BE
+
 #else
 #error SoC not defined
 #endif
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/cpu.h 
b/arch/arm/include/asm/arch-fsl-layerscape/cpu.h
index 702b9fa..1cebe2f 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/cpu.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/cpu.h
@@ -14,6 +14,7 @@ static struct cpu_type cpu_type_list[] = {
        CPU_TYPE_ENTRY(LS1043, LS1043, 4),
        CPU_TYPE_ENTRY(LS1023, LS1023, 2),
        CPU_TYPE_ENTRY(LS2040, LS2040, 4),
+       CPU_TYPE_ENTRY(LS1012, LS1012, 1),
 };
 
 #ifndef CONFIG_SYS_DCACHE_OFF
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h 
b/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
index c4fb7c9..487cba8 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
@@ -134,6 +134,7 @@ enum srds_prtcl {
        SGMII_2500_FM2_DTSEC6,
        SGMII_2500_FM2_DTSEC9,
        SGMII_2500_FM2_DTSEC10,
+       TX_CLK,
        SERDES_PRCTL_COUNT
 };
 
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h 
b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
index 0bad0c7..b664df2 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch2.h
@@ -62,7 +62,11 @@
 #define CONFIG_SYS_PCIE2_PHYS_ADDR             0x4800000000ULL
 #define CONFIG_SYS_PCIE3_PHYS_ADDR             0x5000000000ULL
 /* LUT registers */
+#ifdef CONFIG_LS1012A
+#define PCIE_LUT_BASE                          0xC0000
+#else
 #define PCIE_LUT_BASE                          0x10000
+#endif
 #define PCIE_LUT_LCTRL0                                0x7F8
 #define PCIE_LUT_DBG                           0x7FC
 
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/ns_access.h 
b/arch/arm/include/asm/arch-fsl-layerscape/ns_access.h
index a3ccdb0..db76066 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/ns_access.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/ns_access.h
@@ -69,7 +69,12 @@ enum csu_cslx_ind {
        CSU_CSLX_IIC4 = 77,
        CSU_CSLX_WDT4,
        CSU_CSLX_WDT3,
+       CSU_CSLX_ESDHC2 = 80,
        CSU_CSLX_WDT5 = 81,
+       CSU_CSLX_SAI2,
+       CSU_CSLX_SAI1,
+       CSU_CSLX_SAI4,
+       CSU_CSLX_SAI3,
        CSU_CSLX_FTM2 = 86,
        CSU_CSLX_FTM1,
        CSU_CSLX_FTM4,
@@ -143,7 +148,12 @@ static struct csu_ns_dev ns_dev[] = {
         {CSU_CSLX_IIC4, CSU_ALL_RW},
         {CSU_CSLX_WDT4, CSU_ALL_RW},
         {CSU_CSLX_WDT3, CSU_ALL_RW},
+        {CSU_CSLX_ESDHC2, CSU_ALL_RW},
         {CSU_CSLX_WDT5, CSU_ALL_RW},
+        {CSU_CSLX_SAI2, CSU_ALL_RW},
+        {CSU_CSLX_SAI1, CSU_ALL_RW},
+        {CSU_CSLX_SAI4, CSU_ALL_RW},
+        {CSU_CSLX_SAI3, CSU_ALL_RW},
         {CSU_CSLX_FTM2, CSU_ALL_RW},
         {CSU_CSLX_FTM1, CSU_ALL_RW},
         {CSU_CSLX_FTM4, CSU_ALL_RW},
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/soc.h 
b/arch/arm/include/asm/arch-fsl-layerscape/soc.h
index 831d817..02ecc62 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/soc.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/soc.h
@@ -41,6 +41,7 @@ struct cpu_type {
        { .name = #n, .soc_ver = SVR_##v, .num_cores = (nc)}
 
 #define SVR_WO_E               0xFFFFFE
+#define SVR_LS1012             0x870400
 #define SVR_LS1043             0x879200
 #define SVR_LS1023             0x879208
 #define SVR_LS2045             0x870120
diff --git a/include/fsl_mmdc.h b/include/fsl_mmdc.h
new file mode 100644
index 0000000..d47e625
--- /dev/null
+++ b/include/fsl_mmdc.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef FSL_MMDC_H
+#define FSL_MMDC_H
+
+/* MMDC Registers */
+struct mmdc_p_regs {
+       u32 mdctl;
+       u32 mdpdc;
+       u32 mdotc;
+       u32 mdcfg0;
+       u32 mdcfg1;
+       u32 mdcfg2;
+       u32 mdmisc;
+       u32 mdscr;
+       u32 mdref;
+       u32 res1[2];
+       u32 mdrwd;
+       u32 mdor;
+       u32 mdmrr;
+       u32 mdcfg3lp;
+       u32 mdmr4;
+       u32 mdasp;
+       u32 res2[239];
+       u32 maarcr;
+       u32 mapsr;
+       u32 maexidr0;
+       u32 maexidr1;
+       u32 madpcr0;
+       u32 madpcr1;
+       u32 madpsr0;
+       u32 madpsr1;
+       u32 madpsr2;
+       u32 madpsr3;
+       u32 madpsr4;
+       u32 madpsr5;
+       u32 masbs0;
+       u32 masbs1;
+       u32 res3[2];
+       u32 magenp;
+       u32 res4[239];
+       u32 mpzqhwctrl;
+       u32 mpzqswctrl;
+       u32 mpwlgcr;
+       u32 mpwldectrl0;
+       u32 mpwldectrl1;
+       u32 mpwldlst;
+       u32 mpodtctrl;
+       u32 mprddqby0dl;
+       u32 mprddqby1dl;
+       u32 mprddqby2dl;
+       u32 mprddqby3dl;
+       u32 res5[4];
+       u32 mpdgctrl0;
+       u32 mpdgctrl1;
+       u32 mpdgdlst0;
+       u32 mprddlctl;
+       u32 mprddlst;
+       u32 mpwrdlctl;
+       u32 mpwrdlst;
+       u32 mpsdctrl;
+       u32 mpzqlp2ctl;
+       u32 mprddlhwctl;
+       u32 mpwrdlhwctl;
+       u32 mprddlhwst0;
+       u32 mprddlhwst1;
+       u32 mpwrdlhwst0;
+       u32 mpwrdlhwst1;
+       u32 mpwlhwerr;
+       u32 mpdghwst0;
+       u32 mpdghwst1;
+       u32 mpdghwst2;
+       u32 mpdghwst3;
+       u32 mppdcmpr1;
+       u32 mppdcmpr2;
+       u32 mpswdar0;
+       u32 mpswdrdr0;
+       u32 mpswdrdr1;
+       u32 mpswdrdr2;
+       u32 mpswdrdr3;
+       u32 mpswdrdr4;
+       u32 mpswdrdr5;
+       u32 mpswdrdr6;
+       u32 mpswdrdr7;
+       u32 mpmur0;
+       u32 mpwrcadl;
+       u32 mpdccr;
+};
+
+#endif /* FSL_MMDC_H */
diff --git a/include/linux/usb/xhci-fsl.h b/include/linux/usb/xhci-fsl.h
index c5e42e6..253eddf 100644
--- a/include/linux/usb/xhci-fsl.h
+++ b/include/linux/usb/xhci-fsl.h
@@ -59,10 +59,14 @@ struct fsl_xhci {
 #define CONFIG_SYS_FSL_XHCI_USB1_ADDR CONFIG_SYS_LS2080A_XHCI_USB1_ADDR
 #define CONFIG_SYS_FSL_XHCI_USB2_ADDR CONFIG_SYS_LS2080A_XHCI_USB2_ADDR
 #define CONFIG_SYS_FSL_XHCI_USB3_ADDR 0
-#elif defined(CONFIG_LS1043A)
+#elif defined(CONFIG_LS1043A) || defined(CONFIG_LS1012A)
 #define CONFIG_SYS_FSL_XHCI_USB1_ADDR CONFIG_SYS_LS1043A_XHCI_USB1_ADDR
 #define CONFIG_SYS_FSL_XHCI_USB2_ADDR CONFIG_SYS_LS1043A_XHCI_USB2_ADDR
 #define CONFIG_SYS_FSL_XHCI_USB3_ADDR CONFIG_SYS_LS1043A_XHCI_USB3_ADDR
+#elif defined(CONFIG_LS1012A)
+#define CONFIG_SYS_FSL_XHCI_USB1_ADDR CONFIG_SYS_LS1043A_XHCI_USB1_ADDR
+#define CONFIG_SYS_FSL_XHCI_USB2_ADDR 0
+#define CONFIG_SYS_FSL_XHCI_USB3_ADDR 0
 #endif
 
 #define FSL_USB_XHCI_ADDR      {CONFIG_SYS_FSL_XHCI_USB1_ADDR, \
-- 
1.9.1


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