summaryrefslogtreecommitdiff
path: root/arch/arm/cpu/armv7
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/cpu/armv7')
-rw-r--r--arch/arm/cpu/armv7/mx6/Kconfig138
-rw-r--r--arch/arm/cpu/armv7/mx6/clock.c23
-rw-r--r--arch/arm/cpu/armv7/mx6/ddr.c379
-rw-r--r--arch/arm/cpu/armv7/vf610/generic.c6
4 files changed, 530 insertions, 16 deletions
diff --git a/arch/arm/cpu/armv7/mx6/Kconfig b/arch/arm/cpu/armv7/mx6/Kconfig
index dce7ffc..8b0120f 100644
--- a/arch/arm/cpu/armv7/mx6/Kconfig
+++ b/arch/arm/cpu/armv7/mx6/Kconfig
@@ -33,25 +33,159 @@ choice
prompt "MX6 board select"
optional
+config TARGET_ARISTAINETOS
+ bool "aristainetos"
+ select CPU_V7
+
+config TARGET_ARISTAINETOS2
+ bool "aristainetos2"
+ select CPU_V7
+
+config TARGET_ARISTAINETOS2B
+ bool "Support aristainetos2-revB"
+ select CPU_V7
+
+config TARGET_CGTQMX6EVAL
+ bool "cgtqmx6eval"
+ select CPU_V7
+
config TARGET_CM_FX6
- bool "Support CM-FX6"
+ bool "CM-FX6"
select SUPPORT_SPL
select DM
select DM_SERIAL
select DM_GPIO
+config TARGET_EMBESTMX6BOARDS
+ bool "embestmx6boards"
+ select CPU_V7
+
+config TARGET_GW_VENTANA
+ bool "gw_ventana"
+ select CPU_V7
+ select SUPPORT_SPL
+
+config TARGET_KOSAGI_NOVENA
+ bool "Kosagi Novena"
+ select CPU_V7
+ select SUPPORT_SPL
+
+config TARGET_MX6CUBOXI
+ bool "Solid-run mx6 boards"
+ select CPU_V7
+ select SUPPORT_SPL
+
+config TARGET_MX6QARM2
+ bool "mx6qarm2"
+ select CPU_V7
+
+config TARGET_MX6QSABREAUTO
+ bool "mx6qsabreauto"
+ select CPU_V7
+ select DM
+ select DM_THERMAL
+
+config TARGET_MX6SABRESD
+ bool "mx6sabresd"
+ select CPU_V7
+ select SUPPORT_SPL
+ select DM
+ select DM_THERMAL
+
+config TARGET_MX6SLEVK
+ bool "mx6slevk"
+ select CPU_V7
+ select SUPPORT_SPL
+
+config TARGET_MX6SXSABRESD
+ bool "mx6sxsabresd"
+ select CPU_V7
+ select SUPPORT_SPL
+ select DM
+ select DM_THERMAL
+
+config TARGET_MX6UL_14X14_EVK
+ bool "mx6ul_14x14_evk"
+ select MX6UL
+ select CPU_V7
+ select DM
+ select DM_THERMAL
+ select SUPPORT_SPL
+
+config TARGET_NITROGEN6X
+ bool "nitrogen6x"
+ select CPU_V7
+
+config TARGET_OT1200
+ bool "Bachmann OT1200"
+ select CPU_V7
+ select SUPPORT_SPL
+
+config TARGET_PLATINUM_PICON
+ bool "platinum-picon"
+ select CPU_V7
+ select SUPPORT_SPL
+
+config TARGET_PLATINUM_TITANIUM
+ bool "platinum-titanium"
+ select CPU_V7
+ select SUPPORT_SPL
+
config TARGET_SECOMX6
- bool "Support secomx6 boards"
+ bool "secomx6 boards"
+
+config TARGET_TBS2910
+ bool "TBS2910 Matrix ARM mini PC"
+ select CPU_V7
+
+config TARGET_TITANIUM
+ bool "titanium"
+ select CPU_V7
config TARGET_TQMA6
bool "TQ Systems TQMa6 board"
+config TARGET_UDOO
+ bool "udoo"
+ select CPU_V7
+ select SUPPORT_SPL
+
+config TARGET_WANDBOARD
+ bool "wandboard"
+ select CPU_V7
+ select SUPPORT_SPL
+
+config TARGET_WARP
+ bool "WaRP"
+ select CPU_V7
+
endchoice
config SYS_SOC
default "mx6"
+source "board/aristainetos/Kconfig"
+source "board/bachmann/ot1200/Kconfig"
+source "board/barco/platinum/Kconfig"
+source "board/barco/titanium/Kconfig"
+source "board/boundary/nitrogen6x/Kconfig"
+source "board/compulab/cm_fx6/Kconfig"
+source "board/congatec/cgtqmx6eval/Kconfig"
+source "board/embest/mx6boards/Kconfig"
+source "board/freescale/mx6qarm2/Kconfig"
+source "board/freescale/mx6qsabreauto/Kconfig"
+source "board/freescale/mx6sabresd/Kconfig"
+source "board/freescale/mx6slevk/Kconfig"
+source "board/freescale/mx6sxsabresd/Kconfig"
+source "board/freescale/mx6ul_14x14_evk/Kconfig"
+source "board/gateworks/gw_ventana/Kconfig"
+source "board/kosagi/novena/Kconfig"
source "board/seco/Kconfig"
+source "board/solidrun/mx6cuboxi/Kconfig"
+source "board/tbs/tbs2910/Kconfig"
source "board/tqc/tqma6/Kconfig"
+source "board/udoo/Kconfig"
+source "board/wandboard/Kconfig"
+source "board/warp/Kconfig"
endif
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
index 9cf4eec..ba6cc75 100644
--- a/arch/arm/cpu/armv7/mx6/clock.c
+++ b/arch/arm/cpu/armv7/mx6/clock.c
@@ -524,7 +524,7 @@ void enable_qspi_clk(int qspi_num)
#endif
#ifdef CONFIG_FEC_MXC
-int enable_fec_anatop_clock(enum enet_freq freq)
+int enable_fec_anatop_clock(int fec_id, enum enet_freq freq)
{
u32 reg = 0;
s32 timeout = 100000;
@@ -535,9 +535,19 @@ int enable_fec_anatop_clock(enum enet_freq freq)
if (freq < ENET_25MHZ || freq > ENET_125MHZ)
return -EINVAL;
- reg = readl(&anatop->pll_enet);
- reg &= ~BM_ANADIG_PLL_ENET_DIV_SELECT;
- reg |= freq;
+ if (fec_id == 0) {
+ reg &= ~BM_ANADIG_PLL_ENET_DIV_SELECT;
+ reg |= BF_ANADIG_PLL_ENET_DIV_SELECT(freq);
+ } else if (fec_id == 1) {
+ /* Only i.MX6SX/UL support ENET2 */
+ if (!(is_cpu_type(MXC_CPU_MX6SX) ||
+ is_cpu_type(MXC_CPU_MX6UL)))
+ return -EINVAL;
+ reg &= ~BM_ANADIG_PLL_ENET2_DIV_SELECT;
+ reg |= BF_ANADIG_PLL_ENET2_DIV_SELECT(freq);
+ } else {
+ return -EINVAL;
+ }
if ((reg & BM_ANADIG_PLL_ENET_POWERDOWN) ||
(!(reg & BM_ANADIG_PLL_ENET_LOCK))) {
@@ -552,7 +562,10 @@ int enable_fec_anatop_clock(enum enet_freq freq)
}
/* Enable FEC clock */
- reg |= BM_ANADIG_PLL_ENET_ENABLE;
+ if (fec_id == 0)
+ reg |= BM_ANADIG_PLL_ENET_ENABLE;
+ else
+ reg |= BM_ANADIG_PLL_ENET2_ENABLE;
reg &= ~BM_ANADIG_PLL_ENET_BYPASS;
writel(reg, &anatop->pll_enet);
diff --git a/arch/arm/cpu/armv7/mx6/ddr.c b/arch/arm/cpu/armv7/mx6/ddr.c
index b808627..cf5587b 100644
--- a/arch/arm/cpu/armv7/mx6/ddr.c
+++ b/arch/arm/cpu/armv7/mx6/ddr.c
@@ -7,6 +7,7 @@
#include <common.h>
#include <linux/types.h>
+#include <asm/arch/clock.h>
#include <asm/arch/mx6-ddr.h>
#include <asm/arch/sys_proto.h>
#include <asm/io.h>
@@ -115,6 +116,61 @@ void mx6ul_dram_iocfg(unsigned width,
}
#endif
+#if defined(CONFIG_MX6SL)
+void mx6sl_dram_iocfg(unsigned width,
+ const struct mx6sl_iomux_ddr_regs *ddr,
+ const struct mx6sl_iomux_grp_regs *grp)
+{
+ struct mx6sl_iomux_ddr_regs *mx6_ddr_iomux;
+ struct mx6sl_iomux_grp_regs *mx6_grp_iomux;
+
+ mx6_ddr_iomux = (struct mx6sl_iomux_ddr_regs *)MX6SL_IOM_DDR_BASE;
+ mx6_grp_iomux = (struct mx6sl_iomux_grp_regs *)MX6SL_IOM_GRP_BASE;
+
+ /* DDR IO TYPE */
+ mx6_grp_iomux->grp_ddr_type = grp->grp_ddr_type;
+ mx6_grp_iomux->grp_ddrpke = grp->grp_ddrpke;
+
+ /* CLOCK */
+ mx6_ddr_iomux->dram_sdclk_0 = ddr->dram_sdclk_0;
+
+ /* ADDRESS */
+ mx6_ddr_iomux->dram_cas = ddr->dram_cas;
+ mx6_ddr_iomux->dram_ras = ddr->dram_ras;
+ mx6_grp_iomux->grp_addds = grp->grp_addds;
+
+ /* Control */
+ mx6_ddr_iomux->dram_reset = ddr->dram_reset;
+ mx6_ddr_iomux->dram_sdba2 = ddr->dram_sdba2;
+ mx6_grp_iomux->grp_ctlds = grp->grp_ctlds;
+
+ /* Data Strobes */
+ mx6_grp_iomux->grp_ddrmode_ctl = grp->grp_ddrmode_ctl;
+ mx6_ddr_iomux->dram_sdqs0 = ddr->dram_sdqs0;
+ mx6_ddr_iomux->dram_sdqs1 = ddr->dram_sdqs1;
+ if (width >= 32) {
+ mx6_ddr_iomux->dram_sdqs2 = ddr->dram_sdqs2;
+ mx6_ddr_iomux->dram_sdqs3 = ddr->dram_sdqs3;
+ }
+
+ /* Data */
+ mx6_grp_iomux->grp_ddrmode = grp->grp_ddrmode;
+ mx6_grp_iomux->grp_b0ds = grp->grp_b0ds;
+ mx6_grp_iomux->grp_b1ds = grp->grp_b1ds;
+ if (width >= 32) {
+ mx6_grp_iomux->grp_b2ds = grp->grp_b2ds;
+ mx6_grp_iomux->grp_b3ds = grp->grp_b3ds;
+ }
+
+ mx6_ddr_iomux->dram_dqm0 = ddr->dram_dqm0;
+ mx6_ddr_iomux->dram_dqm1 = ddr->dram_dqm1;
+ if (width >= 32) {
+ mx6_ddr_iomux->dram_dqm2 = ddr->dram_dqm2;
+ mx6_ddr_iomux->dram_dqm3 = ddr->dram_dqm3;
+ }
+}
+#endif
+
#if defined(CONFIG_MX6QDL) || defined(CONFIG_MX6Q) || defined(CONFIG_MX6D)
/* Configure MX6DQ mmdc iomux */
void mx6dq_dram_iocfg(unsigned width,
@@ -275,24 +331,314 @@ void mx6sdl_dram_iocfg(unsigned width,
* Configure mx6 mmdc registers based on:
* - board-specific memory configuration
* - board-specific calibration data
- * - ddr3 chip details
+ * - ddr3/lpddr2 chip details
*
* The various calculations here are derived from the Freescale
- * i.Mx6DQSDL DDR3 Script Aid spreadsheet (DOC-94917) designed to generate MMDC
- * configuration registers based on memory system and memory chip parameters.
+ * 1. i.Mx6DQSDL DDR3 Script Aid spreadsheet (DOC-94917) designed to generate
+ * MMDC configuration registers based on memory system and memory chip
+ * parameters.
+ *
+ * 2. i.Mx6SL LPDDR2 Script Aid spreadsheet V0.04 designed to generate MMDC
+ * configuration registers based on memory system and memory chip
+ * parameters.
*
* The defaults here are those which were specified in the spreadsheet.
* For details on each register, refer to the IMX6DQRM and/or IMX6SDLRM
- * section titled MMDC initialization
+ * and/or IMX6SLRM section titled MMDC initialization.
*/
#define MR(val, ba, cmd, cs1) \
((val << 16) | (1 << 15) | (cmd << 4) | (cs1 << 3) | ba)
#define MMDC1(entry, value) do { \
- if (!is_cpu_type(MXC_CPU_MX6SX) && !is_cpu_type(MXC_CPU_MX6UL)) \
+ if (!is_cpu_type(MXC_CPU_MX6SX) && !is_cpu_type(MXC_CPU_MX6UL) && \
+ !is_cpu_type(MXC_CPU_MX6SL)) \
mmdc1->entry = value; \
} while (0)
-void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo,
+/*
+ * According JESD209-2B-LPDDR2: Table 103
+ * WL: write latency
+ */
+static int lpddr2_wl(uint32_t mem_speed)
+{
+ switch (mem_speed) {
+ case 1066:
+ case 933:
+ return 4;
+ case 800:
+ return 3;
+ case 677:
+ case 533:
+ return 2;
+ case 400:
+ case 333:
+ return 1;
+ default:
+ puts("invalid memory speed\n");
+ hang();
+ }
+
+ return 0;
+}
+
+/*
+ * According JESD209-2B-LPDDR2: Table 103
+ * RL: read latency
+ */
+static int lpddr2_rl(uint32_t mem_speed)
+{
+ switch (mem_speed) {
+ case 1066:
+ return 8;
+ case 933:
+ return 7;
+ case 800:
+ return 6;
+ case 677:
+ return 5;
+ case 533:
+ return 4;
+ case 400:
+ case 333:
+ return 3;
+ default:
+ puts("invalid memory speed\n");
+ hang();
+ }
+
+ return 0;
+}
+
+void mx6_lpddr2_cfg(const struct mx6_ddr_sysinfo *sysinfo,
+ const struct mx6_mmdc_calibration *calib,
+ const struct mx6_lpddr2_cfg *lpddr2_cfg)
+{
+ volatile struct mmdc_p_regs *mmdc0;
+ u32 val;
+ u8 tcke, tcksrx, tcksre, trrd;
+ u8 twl, txp, tfaw, tcl;
+ u16 tras, twr, tmrd, trtp, twtr, trfc, txsr;
+ u16 trcd_lp, trppb_lp, trpab_lp, trc_lp;
+ u16 cs0_end;
+ u8 coladdr;
+ int clkper; /* clock period in picoseconds */
+ int clock; /* clock freq in mHz */
+ int cs;
+
+ /* only support 16/32 bits */
+ if (sysinfo->dsize > 1)
+ hang();
+
+ mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR;
+
+ clock = mxc_get_clock(MXC_DDR_CLK) / 1000000U;
+ clkper = (1000 * 1000) / clock; /* pico seconds */
+
+ twl = lpddr2_wl(lpddr2_cfg->mem_speed) - 1;
+
+ /* LPDDR2-S2 and LPDDR2-S4 have the same tRFC value. */
+ switch (lpddr2_cfg->density) {
+ case 1:
+ case 2:
+ case 4:
+ trfc = DIV_ROUND_UP(130000, clkper) - 1;
+ txsr = DIV_ROUND_UP(140000, clkper) - 1;
+ break;
+ case 8:
+ trfc = DIV_ROUND_UP(210000, clkper) - 1;
+ txsr = DIV_ROUND_UP(220000, clkper) - 1;
+ break;
+ default:
+ /*
+ * 64Mb, 128Mb, 256Mb, 512Mb are not supported currently.
+ */
+ hang();
+ break;
+ }
+ /*
+ * txpdll, txpr, taonpd and taofpd are not relevant in LPDDR2 mode,
+ * set them to 0. */
+ txp = DIV_ROUND_UP(7500, clkper) - 1;
+ tcke = 3;
+ if (lpddr2_cfg->mem_speed == 333)
+ tfaw = DIV_ROUND_UP(60000, clkper) - 1;
+ else
+ tfaw = DIV_ROUND_UP(50000, clkper) - 1;
+ trrd = DIV_ROUND_UP(10000, clkper) - 1;
+
+ /* tckesr for LPDDR2 */
+ tcksre = DIV_ROUND_UP(15000, clkper);
+ tcksrx = tcksre;
+ twr = DIV_ROUND_UP(15000, clkper) - 1;
+ /*
+ * tMRR: 2, tMRW: 5
+ * tMRD should be set to max(tMRR, tMRW)
+ */
+ tmrd = 5;
+ tras = DIV_ROUND_UP(lpddr2_cfg->trasmin, clkper / 10) - 1;
+ /* LPDDR2 mode use tRCD_LP filed in MDCFG3. */
+ trcd_lp = DIV_ROUND_UP(lpddr2_cfg->trcd_lp, clkper / 10) - 1;
+ trc_lp = DIV_ROUND_UP(lpddr2_cfg->trasmin + lpddr2_cfg->trppb_lp,
+ clkper / 10) - 1;
+ trppb_lp = DIV_ROUND_UP(lpddr2_cfg->trppb_lp, clkper / 10) - 1;
+ trpab_lp = DIV_ROUND_UP(lpddr2_cfg->trpab_lp, clkper / 10) - 1;
+ /* To LPDDR2, CL in MDCFG0 refers to RL */
+ tcl = lpddr2_rl(lpddr2_cfg->mem_speed) - 3;
+ twtr = DIV_ROUND_UP(7500, clkper) - 1;
+ trtp = DIV_ROUND_UP(7500, clkper) - 1;
+
+ cs0_end = 4 * sysinfo->cs_density - 1;
+
+ debug("density:%d Gb (%d Gb per chip)\n",
+ sysinfo->cs_density, lpddr2_cfg->density);
+ debug("clock: %dMHz (%d ps)\n", clock, clkper);
+ debug("memspd:%d\n", lpddr2_cfg->mem_speed);
+ debug("trcd_lp=%d\n", trcd_lp);
+ debug("trppb_lp=%d\n", trppb_lp);
+ debug("trpab_lp=%d\n", trpab_lp);
+ debug("trc_lp=%d\n", trc_lp);
+ debug("tcke=%d\n", tcke);
+ debug("tcksrx=%d\n", tcksrx);
+ debug("tcksre=%d\n", tcksre);
+ debug("trfc=%d\n", trfc);
+ debug("txsr=%d\n", txsr);
+ debug("txp=%d\n", txp);
+ debug("tfaw=%d\n", tfaw);
+ debug("tcl=%d\n", tcl);
+ debug("tras=%d\n", tras);
+ debug("twr=%d\n", twr);
+ debug("tmrd=%d\n", tmrd);
+ debug("twl=%d\n", twl);
+ debug("trtp=%d\n", trtp);
+ debug("twtr=%d\n", twtr);
+ debug("trrd=%d\n", trrd);
+ debug("cs0_end=%d\n", cs0_end);
+ debug("ncs=%d\n", sysinfo->ncs);
+
+ /*
+ * board-specific configuration:
+ * These values are determined empirically and vary per board layout
+ */
+ mmdc0->mpwldectrl0 = calib->p0_mpwldectrl0;
+ mmdc0->mpwldectrl1 = calib->p0_mpwldectrl1;
+ mmdc0->mpdgctrl0 = calib->p0_mpdgctrl0;
+ mmdc0->mpdgctrl1 = calib->p0_mpdgctrl1;
+ mmdc0->mprddlctl = calib->p0_mprddlctl;
+ mmdc0->mpwrdlctl = calib->p0_mpwrdlctl;
+ mmdc0->mpzqlp2ctl = calib->mpzqlp2ctl;
+
+ /* Read data DQ Byte0-3 delay */
+ mmdc0->mprddqby0dl = 0x33333333;
+ mmdc0->mprddqby1dl = 0x33333333;
+ if (sysinfo->dsize > 0) {
+ mmdc0->mprddqby2dl = 0x33333333;
+ mmdc0->mprddqby3dl = 0x33333333;
+ }
+
+ /* Write data DQ Byte0-3 delay */
+ mmdc0->mpwrdqby0dl = 0xf3333333;
+ mmdc0->mpwrdqby1dl = 0xf3333333;
+ if (sysinfo->dsize > 0) {
+ mmdc0->mpwrdqby2dl = 0xf3333333;
+ mmdc0->mpwrdqby3dl = 0xf3333333;
+ }
+
+ /*
+ * In LPDDR2 mode this register should be cleared,
+ * so no termination will be activated.
+ */
+ mmdc0->mpodtctrl = 0;
+
+ /* complete calibration */
+ val = (1 << 11); /* Force measurement on delay-lines */
+ mmdc0->mpmur0 = val;
+
+ /* Step 1: configuration request */
+ mmdc0->mdscr = (u32)(1 << 15); /* config request */
+
+ /* Step 2: Timing configuration */
+ mmdc0->mdcfg0 = (trfc << 24) | (txsr << 16) | (txp << 13) |
+ (tfaw << 4) | tcl;
+ mmdc0->mdcfg1 = (tras << 16) | (twr << 9) | (tmrd << 5) | twl;
+ mmdc0->mdcfg2 = (trtp << 6) | (twtr << 3) | trrd;
+ mmdc0->mdcfg3lp = (trc_lp << 16) | (trcd_lp << 8) |
+ (trppb_lp << 4) | trpab_lp;
+ mmdc0->mdotc = 0;
+
+ mmdc0->mdasp = cs0_end; /* CS addressing */
+
+ /* Step 3: Configure DDR type */
+ mmdc0->mdmisc = (sysinfo->cs1_mirror << 19) | (sysinfo->walat << 16) |
+ (sysinfo->bi_on << 12) | (sysinfo->mif3_mode << 9) |
+ (sysinfo->ralat << 6) | (1 << 3);
+
+ /* Step 4: Configure delay while leaving reset */
+ mmdc0->mdor = (sysinfo->sde_to_rst << 8) |
+ (sysinfo->rst_to_cke << 0);
+
+ /* Step 5: Configure DDR physical parameters (density and burst len) */
+ coladdr = lpddr2_cfg->coladdr;
+ if (lpddr2_cfg->coladdr == 8) /* 8-bit COL is 0x3 */
+ coladdr += 4;
+ else if (lpddr2_cfg->coladdr == 12) /* 12-bit COL is 0x4 */
+ coladdr += 1;
+ mmdc0->mdctl = (lpddr2_cfg->rowaddr - 11) << 24 | /* ROW */
+ (coladdr - 9) << 20 | /* COL */
+ (0 << 19) | /* Burst Length = 4 for LPDDR2 */
+ (sysinfo->dsize << 16); /* DDR data bus size */
+
+ /* Step 6: Perform ZQ calibration */
+ val = 0xa1390003; /* one-time HW ZQ calib */
+ mmdc0->mpzqhwctrl = val;
+
+ /* Step 7: Enable MMDC with desired chip select */
+ mmdc0->mdctl |= (1 << 31) | /* SDE_0 for CS0 */
+ ((sysinfo->ncs == 2) ? 1 : 0) << 30; /* SDE_1 for CS1 */
+
+ /* Step 8: Write Mode Registers to Init LPDDR2 devices */
+ for (cs = 0; cs < sysinfo->ncs; cs++) {
+ /* MR63: reset */
+ mmdc0->mdscr = MR(63, 0, 3, cs);
+ /* MR10: calibration,
+ * 0xff is calibration command after intilization.
+ */
+ val = 0xA | (0xff << 8);
+ mmdc0->mdscr = MR(val, 0, 3, cs);
+ /* MR1 */
+ val = 0x1 | (0x82 << 8);
+ mmdc0->mdscr = MR(val, 0, 3, cs);
+ /* MR2 */
+ val = 0x2 | (0x04 << 8);
+ mmdc0->mdscr = MR(val, 0, 3, cs);
+ /* MR3 */
+ val = 0x3 | (0x02 << 8);
+ mmdc0->mdscr = MR(val, 0, 3, cs);
+ }
+
+ /* Step 10: Power down control and self-refresh */
+ mmdc0->mdpdc = (tcke & 0x7) << 16 |
+ 5 << 12 | /* PWDT_1: 256 cycles */
+ 5 << 8 | /* PWDT_0: 256 cycles */
+ 1 << 6 | /* BOTH_CS_PD */
+ (tcksrx & 0x7) << 3 |
+ (tcksre & 0x7);
+ mmdc0->mapsr = 0x00001006; /* ADOPT power down enabled */
+
+ /* Step 11: Configure ZQ calibration: one-time and periodic 1ms */
+ val = 0xa1310003;
+ mmdc0->mpzqhwctrl = val;
+
+ /* Step 12: Configure and activate periodic refresh */
+ mmdc0->mdref = (0 << 14) | /* REF_SEL: Periodic refresh cycle: 64kHz */
+ (3 << 11); /* REFR: Refresh Rate - 4 refreshes */
+
+ /* Step 13: Deassert config request - init complete */
+ mmdc0->mdscr = 0x00000000;
+
+ /* wait for auto-ZQ calibration to complete */
+ mdelay(1);
+}
+
+void mx6_ddr3_cfg(const struct mx6_ddr_sysinfo *sysinfo,
const struct mx6_mmdc_calibration *calib,
const struct mx6_ddr3_cfg *ddr3_cfg)
{
@@ -312,7 +658,8 @@ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo,
u16 mem_speed = ddr3_cfg->mem_speed;
mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR;
- if (!is_cpu_type(MXC_CPU_MX6SX) && !is_cpu_type(MXC_CPU_MX6UL))
+ if (!is_cpu_type(MXC_CPU_MX6SX) && !is_cpu_type(MXC_CPU_MX6UL) &&
+ !is_cpu_type(MXC_CPU_MX6SL))
mmdc1 = (struct mmdc_p_regs *)MMDC_P1_BASE_ADDR;
/* Limit mem_speed for MX6D/MX6Q */
@@ -355,8 +702,8 @@ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo,
txs = DIV_ROUND_UP(170000, clkper) - 1;
break;
case 4: /* 4Gb per chip */
- trfc = DIV_ROUND_UP(260000, clkper) - 1;
- txs = DIV_ROUND_UP(270000, clkper) - 1;
+ trfc = DIV_ROUND_UP(300000, clkper) - 1;
+ txs = DIV_ROUND_UP(310000, clkper) - 1;
break;
case 8: /* 8Gb per chip */
trfc = DIV_ROUND_UP(350000, clkper) - 1;
@@ -598,3 +945,17 @@ void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo,
/* wait for auto-ZQ calibration to complete */
mdelay(1);
}
+
+void mx6_dram_cfg(const struct mx6_ddr_sysinfo *sysinfo,
+ const struct mx6_mmdc_calibration *calib,
+ const void *ddr_cfg)
+{
+ if (sysinfo->ddr_type == DDR_TYPE_DDR3) {
+ mx6_ddr3_cfg(sysinfo, calib, ddr_cfg);
+ } else if (sysinfo->ddr_type == DDR_TYPE_LPDDR2) {
+ mx6_lpddr2_cfg(sysinfo, calib, ddr_cfg);
+ } else {
+ puts("Unsupported ddr type\n");
+ hang();
+ }
+}
diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c
index 05c401d..08b9ef4 100644
--- a/arch/arm/cpu/armv7/vf610/generic.c
+++ b/arch/arm/cpu/armv7/vf610/generic.c
@@ -9,6 +9,7 @@
#include <asm/arch/imx-regs.h>
#include <asm/arch/clock.h>
#include <asm/arch/crm_regs.h>
+#include <asm/imx-common/sys_proto.h>
#include <netdev.h>
#ifdef CONFIG_FSL_ESDHC
#include <fsl_esdhc.h>
@@ -266,6 +267,11 @@ void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
}
#endif
+u32 get_cpu_rev(void)
+{
+ return MXC_CPU_VF610 << 12;
+}
+
#if defined(CONFIG_DISPLAY_CPUINFO)
static char *get_reset_cause(void)
{