#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/dram.h>
+#include <asm/arch/cpu.h>
#include <linux/kconfig.h>
/*
return DIV_ROUND_UP(ctrl_freq * nanoseconds, 1000);
}
-static u32 bin_to_mgray(int val)
-{
- static const u8 lookup_table[32] = {
- 0x00, 0x01, 0x02, 0x03, 0x06, 0x07, 0x04, 0x05,
- 0x0c, 0x0d, 0x0e, 0x0f, 0x0a, 0x0b, 0x08, 0x09,
- 0x18, 0x19, 0x1a, 0x1b, 0x1e, 0x1f, 0x1c, 0x1d,
- 0x14, 0x15, 0x16, 0x17, 0x12, 0x13, 0x10, 0x11,
- };
-
- return lookup_table[clamp(val, 0, 31)];
-}
-
-static int mgray_to_bin(u32 val)
-{
- static const u8 lookup_table[32] = {
- 0x00, 0x01, 0x02, 0x03, 0x06, 0x07, 0x04, 0x05,
- 0x0e, 0x0f, 0x0c, 0x0d, 0x08, 0x09, 0x0a, 0x0b,
- 0x1e, 0x1f, 0x1c, 0x1d, 0x18, 0x19, 0x1a, 0x1b,
- 0x10, 0x11, 0x12, 0x13, 0x16, 0x17, 0x14, 0x15,
- };
-
- return lookup_table[val & 0x1f];
-}
-
static void mctl_phy_init(u32 val)
{
struct sunxi_mctl_ctl_reg * const mctl_ctl =
mbus_configure_port(MBUS_PORT_ ## port, bwlimit, false, \
MBUS_QOS_ ## qos, 0, acs, bwl0, bwl1, bwl2)
-static void mctl_set_master_priority(void)
+static void mctl_set_master_priority_h3(void)
{
struct sunxi_mctl_com_reg * const mctl_com =
(struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE;
/* enable bandwidth limit windows and set windows size 1us */
- writel(0x00010190, &mctl_com->bwcr);
+ writel((1 << 16) | (400 << 0), &mctl_com->bwcr);
/* set cpu high priority */
writel(0x00000001, &mctl_com->mapr);
MBUS_CONF(DE_CFD, true, HIGH, 0, 1024, 288, 64);
}
-static void mctl_set_timing_params(struct dram_para *para)
+static void mctl_set_master_priority_a64(void)
+{
+ struct sunxi_mctl_com_reg * const mctl_com =
+ (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE;
+
+ /* enable bandwidth limit windows and set windows size 1us */
+ writel(399, &mctl_com->tmr);
+ writel((1 << 16), &mctl_com->bwcr);
+
+ /* Port 2 is reserved per Allwinner's linux-3.10 source, yet they
+ * initialise it */
+ MBUS_CONF( CPU, true, HIGHEST, 0, 160, 100, 80);
+ MBUS_CONF( GPU, false, HIGH, 0, 1536, 1400, 256);
+ MBUS_CONF(UNUSED, true, HIGHEST, 0, 512, 256, 96);
+ MBUS_CONF( DMA, true, HIGH, 0, 256, 80, 100);
+ MBUS_CONF( VE, true, HIGH, 0, 1792, 1600, 256);
+ MBUS_CONF( CSI, true, HIGH, 0, 256, 128, 0);
+ MBUS_CONF( NAND, true, HIGH, 0, 256, 128, 64);
+ MBUS_CONF( SS, true, HIGHEST, 0, 256, 128, 64);
+ MBUS_CONF( TS, true, HIGHEST, 0, 256, 128, 64);
+ MBUS_CONF( DI, true, HIGH, 0, 1024, 256, 64);
+ MBUS_CONF( DE, true, HIGH, 2, 8192, 6144, 2048);
+ MBUS_CONF(DE_CFD, true, HIGH, 0, 1280, 144, 64);
+
+ writel(0x81000004, &mctl_com->mdfs_bwlr[2]);
+}
+
+static void mctl_set_master_priority(uint16_t socid)
+{
+ switch (socid) {
+ case SOCID_H3:
+ mctl_set_master_priority_h3();
+ return;
+ case SOCID_A64:
+ mctl_set_master_priority_a64();
+ return;
+ }
+}
+
+static void mctl_set_timing_params(uint16_t socid, struct dram_para *para)
{
struct sunxi_mctl_ctl_reg * const mctl_ctl =
(struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE;
writel(RFSHTMG_TREFI(trefi) | RFSHTMG_TRFC(trfc), &mctl_ctl->rfshtmg);
}
-static void mctl_zq_calibration(struct dram_para *para)
+static u32 bin_to_mgray(int val)
+{
+ static const u8 lookup_table[32] = {
+ 0x00, 0x01, 0x02, 0x03, 0x06, 0x07, 0x04, 0x05,
+ 0x0c, 0x0d, 0x0e, 0x0f, 0x0a, 0x0b, 0x08, 0x09,
+ 0x18, 0x19, 0x1a, 0x1b, 0x1e, 0x1f, 0x1c, 0x1d,
+ 0x14, 0x15, 0x16, 0x17, 0x12, 0x13, 0x10, 0x11,
+ };
+
+ return lookup_table[clamp(val, 0, 31)];
+}
+
+static int mgray_to_bin(u32 val)
+{
+ static const u8 lookup_table[32] = {
+ 0x00, 0x01, 0x02, 0x03, 0x06, 0x07, 0x04, 0x05,
+ 0x0e, 0x0f, 0x0c, 0x0d, 0x08, 0x09, 0x0a, 0x0b,
+ 0x1e, 0x1f, 0x1c, 0x1d, 0x18, 0x19, 0x1a, 0x1b,
+ 0x10, 0x11, 0x12, 0x13, 0x16, 0x17, 0x14, 0x15,
+ };
+
+ return lookup_table[val & 0x1f];
+}
+
+static void mctl_h3_zq_calibration_quirk(struct dram_para *para)
{
struct sunxi_mctl_ctl_reg * const mctl_ctl =
(struct sunxi_mctl_ctl_reg *)SUNXI_DRAM_CTL0_BASE;
MCTL_CR_ROW_BITS(para->row_bits), &mctl_com->cr);
}
-static void mctl_sys_init(struct dram_para *para)
+static void mctl_sys_init(uint16_t socid, struct dram_para *para)
{
struct sunxi_ccm_reg * const ccm =
(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
clrbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_MCTL);
clrbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_MCTL);
clrbits_le32(&ccm->pll5_cfg, CCM_PLL5_CTRL_EN);
+ if (socid == SOCID_A64)
+ clrbits_le32(&ccm->pll11_cfg, CCM_PLL11_CTRL_EN);
udelay(10);
clrbits_le32(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_RST);
udelay(1000);
- clock_set_pll5(CONFIG_DRAM_CLK * 2 * 1000000, false);
- clrsetbits_le32(&ccm->dram_clk_cfg,
- CCM_DRAMCLK_CFG_DIV_MASK | CCM_DRAMCLK_CFG_SRC_MASK,
- CCM_DRAMCLK_CFG_DIV(1) | CCM_DRAMCLK_CFG_SRC_PLL5 |
- CCM_DRAMCLK_CFG_UPD);
+ if (socid == SOCID_A64) {
+ clock_set_pll11(CONFIG_DRAM_CLK * 2 * 1000000, false);
+ clrsetbits_le32(&ccm->dram_clk_cfg,
+ CCM_DRAMCLK_CFG_DIV_MASK |
+ CCM_DRAMCLK_CFG_SRC_MASK,
+ CCM_DRAMCLK_CFG_DIV(1) |
+ CCM_DRAMCLK_CFG_SRC_PLL11 |
+ CCM_DRAMCLK_CFG_UPD);
+ } else if (socid == SOCID_H3) {
+ clock_set_pll5(CONFIG_DRAM_CLK * 2 * 1000000, false);
+ clrsetbits_le32(&ccm->dram_clk_cfg,
+ CCM_DRAMCLK_CFG_DIV_MASK |
+ CCM_DRAMCLK_CFG_SRC_MASK,
+ CCM_DRAMCLK_CFG_DIV(1) |
+ CCM_DRAMCLK_CFG_SRC_PLL5 |
+ CCM_DRAMCLK_CFG_UPD);
+ }
mctl_await_completion(&ccm->dram_clk_cfg, CCM_DRAMCLK_CFG_UPD, 0);
setbits_le32(&ccm->ahb_reset0_cfg, 1 << AHB_RESET_OFFSET_MCTL);
udelay(500);
}
-static int mctl_channel_init(struct dram_para *para)
+/* These are more guessed based on some Allwinner code. */
+#define DX_GCR_ODT_DYNAMIC (0x0 << 4)
+#define DX_GCR_ODT_ALWAYS_ON (0x1 << 4)
+#define DX_GCR_ODT_OFF (0x2 << 4)
+
+static int mctl_channel_init(uint16_t socid, struct dram_para *para)
{
struct sunxi_mctl_com_reg * const mctl_com =
(struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE;
unsigned int i;
mctl_set_cr(para);
- mctl_set_timing_params(para);
- mctl_set_master_priority();
+ mctl_set_timing_params(socid, para);
+ mctl_set_master_priority(socid);
/* setting VTC, default disable all VT */
clrbits_le32(&mctl_ctl->pgcr[0], (1 << 30) | 0x3f);
clrsetbits_le32(&mctl_ctl->dx[i].gcr, (0x3 << 4) |
(0x1 << 1) | (0x3 << 2) | (0x3 << 12) |
(0x3 << 14),
- IS_ENABLED(CONFIG_DRAM_ODT_EN) ? 0x0 : 0x2);
+ IS_ENABLED(CONFIG_DRAM_ODT_EN) ?
+ DX_GCR_ODT_DYNAMIC : DX_GCR_ODT_OFF);
/* AC PDR should always ON */
setbits_le32(&mctl_ctl->aciocr, 0x1 << 1);
/* set DQS auto gating PD mode */
setbits_le32(&mctl_ctl->pgcr[2], 0x3 << 6);
- /* dx ddr_clk & hdr_clk dynamic mode */
- clrbits_le32(&mctl_ctl->pgcr[0], (0x3 << 14) | (0x3 << 12));
-
- /* dphy & aphy phase select 270 degree */
- clrsetbits_le32(&mctl_ctl->pgcr[2], (0x3 << 10) | (0x3 << 8),
- (0x1 << 10) | (0x2 << 8));
+ if (socid == SOCID_H3) {
+ /* dx ddr_clk & hdr_clk dynamic mode */
+ clrbits_le32(&mctl_ctl->pgcr[0], (0x3 << 14) | (0x3 << 12));
+
+ /* dphy & aphy phase select 270 degree */
+ clrsetbits_le32(&mctl_ctl->pgcr[2], (0x3 << 10) | (0x3 << 8),
+ (0x1 << 10) | (0x2 << 8));
+ } else if (socid == SOCID_A64) {
+ /* dphy & aphy phase select ? */
+ clrsetbits_le32(&mctl_ctl->pgcr[2], (0x3 << 10) | (0x3 << 8),
+ (0x0 << 10) | (0x3 << 8));
+ }
/* set half DQ */
if (para->bus_width != 32) {
mctl_set_bit_delays(para);
udelay(50);
- mctl_zq_calibration(para);
+ if (socid == SOCID_H3) {
+ mctl_h3_zq_calibration_quirk(para);
+
+ mctl_phy_init(PIR_PLLINIT | PIR_DCAL | PIR_PHYRST |
+ PIR_DRAMRST | PIR_DRAMINIT | PIR_QSGATE);
+ } else if (socid == SOCID_A64) {
+ clrsetbits_le32(&mctl_ctl->zqcr, 0xffffff, CONFIG_DRAM_ZQ);
- mctl_phy_init(PIR_PLLINIT | PIR_DCAL | PIR_PHYRST | PIR_DRAMRST |
- PIR_DRAMINIT | PIR_QSGATE);
+ mctl_phy_init(PIR_ZCAL | PIR_PLLINIT | PIR_DCAL | PIR_PHYRST |
+ PIR_DRAMRST | PIR_DRAMINIT | PIR_QSGATE);
+ }
/* detect ranks and bus width */
if (readl(&mctl_ctl->pgsr[0]) & (0xfe << 20)) {
udelay(10);
/* set PGCR3, CKE polarity */
- writel(0x00aa0060, &mctl_ctl->pgcr[3]);
+ if (socid == SOCID_H3)
+ writel(0x00aa0060, &mctl_ctl->pgcr[3]);
+ else if (socid == SOCID_A64)
+ writel(0xc0aa0060, &mctl_ctl->pgcr[3]);
/* power down zq calibration module for power save */
setbits_le32(&mctl_ctl->zqcr, ZQCR_PWRDOWN);
0, 0, 0, 0, 0, 0, 0, 0, \
0, 0, 0, 0, 0, 0, 0 }
+#define SUN50I_A64_DX_READ_DELAYS \
+ {{ 16, 16, 16, 16, 17, 16, 16, 17, 16, 1, 0 }, \
+ { 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 0 }, \
+ { 16, 17, 17, 16, 16, 16, 16, 16, 16, 0, 0 }, \
+ { 17, 17, 17, 17, 17, 17, 17, 17, 17, 1, 0 }}
+#define SUN50I_A64_DX_WRITE_DELAYS \
+ {{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 15, 15 }, \
+ { 0, 0, 0, 0, 1, 1, 1, 1, 0, 10, 10 }, \
+ { 1, 0, 1, 1, 1, 1, 1, 1, 0, 11, 11 }, \
+ { 1, 0, 0, 1, 1, 1, 1, 1, 0, 12, 12 }}
+#define SUN50I_A64_AC_DELAYS \
+ { 5, 5, 13, 10, 2, 5, 3, 3, \
+ 0, 3, 3, 3, 1, 0, 0, 0, \
+ 3, 4, 0, 3, 4, 1, 4, 0, \
+ 1, 1, 0, 1, 13, 5, 4 }
+
unsigned long sunxi_dram_init(void)
{
struct sunxi_mctl_com_reg * const mctl_com =
.bus_width = 32,
.row_bits = 15,
.page_size = 4096,
+
+#if defined(CONFIG_MACH_SUN8I_H3)
.dx_read_delays = SUN8I_H3_DX_READ_DELAYS,
.dx_write_delays = SUN8I_H3_DX_WRITE_DELAYS,
.ac_delays = SUN8I_H3_AC_DELAYS,
+#elif defined(CONFIG_MACH_SUN50I)
+ .dx_read_delays = SUN50I_A64_DX_READ_DELAYS,
+ .dx_write_delays = SUN50I_A64_DX_WRITE_DELAYS,
+ .ac_delays = SUN50I_A64_AC_DELAYS,
+#endif
};
-
- mctl_sys_init(¶);
- if (mctl_channel_init(¶))
+/*
+ * Let the compiler optimize alternatives away by passing this value into
+ * the static functions. This saves us #ifdefs, but still keeps the binary
+ * small.
+ */
+#if defined(CONFIG_MACH_SUN8I_H3)
+ uint16_t socid = SOCID_H3;
+#elif defined(CONFIG_MACH_SUN50I)
+ uint16_t socid = SOCID_A64;
+#endif
+
+ mctl_sys_init(socid, ¶);
+ if (mctl_channel_init(socid, ¶))
return 0;
if (para.dual_rank)
udelay(1);
/* odt delay */
- writel(0x0c000400, &mctl_ctl->odtcfg);
+ if (socid == SOCID_H3)
+ writel(0x0c000400, &mctl_ctl->odtcfg);
+
+ if (socid == SOCID_A64) {
+ setbits_le32(&mctl_ctl->vtfcr, 2 << 8);
+ clrbits_le32(&mctl_ctl->pgcr[2], (1 << 13));
+ }
/* clear credit value */
setbits_le32(&mctl_com->cccr, 1 << 31);
mctl_auto_detect_dram_size(¶);
mctl_set_cr(¶);
- return (1 << (para.row_bits + 3)) * para.page_size *
+ return (1UL << (para.row_bits + 3)) * para.page_size *
(para.dual_rank ? 2 : 1);
}
projects / u-boot / blobdiff