ram: rk3328: use common sdram driver
RK3328 has a similar controller and phy with PX30, so we can use the
common driver for it and remove the duplicate codes.
Signed-off-by: YouMin Chen <cym@rock-chips.com>
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/drivers/ram/rockchip/sdram_rk3328.c b/drivers/ram/rockchip/sdram_rk3328.c
index e791933..69521ce 100644
--- a/drivers/ram/rockchip/sdram_rk3328.c
+++ b/drivers/ram/rockchip/sdram_rk3328.c
@@ -20,11 +20,11 @@
struct dram_info {
#ifdef CONFIG_TPL_BUILD
- struct rk3328_ddr_pctl_regs *pctl;
- struct rk3328_ddr_phy_regs *phy;
+ struct ddr_pctl_regs *pctl;
+ struct ddr_phy_regs *phy;
struct clk ddr_clk;
struct rk3328_cru *cru;
- struct rk3328_msch_regs *msch;
+ struct msch_regs *msch;
struct rk3328_ddr_grf_regs *ddr_grf;
#endif
struct ram_info info;
@@ -71,10 +71,11 @@
writel(ddrctrl_asrstn_req(ctl_srstn), &dram->cru->softrst_con[9]);
}
-static void rkclk_set_dpll(struct dram_info *dram, unsigned int mhz)
+static void rkclk_set_dpll(struct dram_info *dram, unsigned int hz)
{
unsigned int refdiv, postdiv1, postdiv2, fbdiv;
int delay = 1000;
+ u32 mhz = hz / MHZ;
refdiv = 1;
if (mhz <= 300) {
@@ -122,115 +123,47 @@
clrbits_le32(PHY_REG(phy_base, 0xef), 1 << 7);
/* for inno ddr phy need 2*freq */
- rkclk_set_dpll(dram, sdram_params->ddr_freq * 2);
+ rkclk_set_dpll(dram, sdram_params->base.ddr_freq * MHZ * 2);
}
-static void phy_soft_reset(struct dram_info *dram)
-{
- void __iomem *phy_base = dram->phy;
-
- clrbits_le32(PHY_REG(phy_base, 0), 0x3 << 2);
- udelay(1);
- setbits_le32(PHY_REG(phy_base, 0), ANALOG_DERESET);
- udelay(5);
- setbits_le32(PHY_REG(phy_base, 0), DIGITAL_DERESET);
- udelay(1);
-}
-
-static int pctl_cfg(struct dram_info *dram,
- struct rk3328_sdram_params *sdram_params)
-{
- u32 i;
- void __iomem *pctl_base = dram->pctl;
-
- for (i = 0; sdram_params->pctl_regs.pctl[i][0] != 0xFFFFFFFF; i++) {
- writel(sdram_params->pctl_regs.pctl[i][1],
- pctl_base + sdram_params->pctl_regs.pctl[i][0]);
- }
- clrsetbits_le32(pctl_base + DDR_PCTL2_PWRTMG,
- (0xff << 16) | 0x1f,
- ((SR_IDLE & 0xff) << 16) | (PD_IDLE & 0x1f));
- /*
- * dfi_lp_en_pd=1,dfi_lp_wakeup_pd=2
- * hw_lp_idle_x32=1
- */
- if (sdram_params->dramtype == LPDDR3) {
- setbits_le32(pctl_base + DDR_PCTL2_DFILPCFG0, 1);
- clrsetbits_le32(pctl_base + DDR_PCTL2_DFILPCFG0,
- 0xf << 4,
- 2 << 4);
- }
- clrsetbits_le32(pctl_base + DDR_PCTL2_HWLPCTL,
- 0xfff << 16,
- 1 << 16);
- /* disable zqcs */
- setbits_le32(pctl_base + DDR_PCTL2_ZQCTL0, 1u << 31);
- setbits_le32(pctl_base + 0x2000 + DDR_PCTL2_ZQCTL0, 1u << 31);
-
- return 0;
-}
-
/* return ddrconfig value
* (-1), find ddrconfig fail
* other, the ddrconfig value
* only support cs0_row >= cs1_row
*/
-static unsigned int calculate_ddrconfig(struct rk3328_sdram_params *sdram_params)
+static u32 calculate_ddrconfig(struct rk3328_sdram_params *sdram_params)
{
- static const u16 ddr_cfg_2_rbc[] = {
- /***************************
- * [5:4] row(13+n)
- * [3] cs(0:0 cs, 1:2 cs)
- * [2] bank(0:0bank,1:8bank)
- * [1:0] col(11+n)
- ****************************/
- /* row, cs, bank, col */
- ((3 << 4) | (0 << 3) | (1 << 2) | 0),
- ((3 << 4) | (0 << 3) | (1 << 2) | 1),
- ((2 << 4) | (0 << 3) | (1 << 2) | 2),
- ((3 << 4) | (0 << 3) | (1 << 2) | 2),
- ((2 << 4) | (0 << 3) | (1 << 2) | 3),
- ((3 << 4) | (1 << 3) | (1 << 2) | 0),
- ((3 << 4) | (1 << 3) | (1 << 2) | 1),
- ((2 << 4) | (1 << 3) | (1 << 2) | 2),
- ((3 << 4) | (0 << 3) | (0 << 2) | 1),
- ((2 << 4) | (0 << 3) | (1 << 2) | 1),
- };
-
- static const u16 ddr4_cfg_2_rbc[] = {
- /***************************
- * [6] cs 0:0cs 1:2 cs
- * [5:3] row(13+n)
- * [2] cs(0:0 cs, 1:2 cs)
- * [1] bw 0: 16bit 1:32bit
- * [0] diebw 0:8bit 1:16bit
- ***************************/
- /* cs, row, cs, bw, diebw */
- ((0 << 6) | (3 << 3) | (0 << 2) | (1 << 1) | 0),
- ((1 << 6) | (2 << 3) | (0 << 2) | (1 << 1) | 0),
- ((0 << 6) | (4 << 3) | (0 << 2) | (0 << 1) | 0),
- ((1 << 6) | (3 << 3) | (0 << 2) | (0 << 1) | 0),
- ((0 << 6) | (4 << 3) | (0 << 2) | (1 << 1) | 1),
- ((1 << 6) | (3 << 3) | (0 << 2) | (1 << 1) | 1),
- ((1 << 6) | (4 << 3) | (0 << 2) | (0 << 1) | 1),
- ((0 << 6) | (2 << 3) | (1 << 2) | (1 << 1) | 0),
- ((0 << 6) | (3 << 3) | (1 << 2) | (0 << 1) | 0),
- ((0 << 6) | (3 << 3) | (1 << 2) | (1 << 1) | 1),
- ((0 << 6) | (4 << 3) | (1 << 2) | (0 << 1) | 1),
- };
-
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
u32 cs, bw, die_bw, col, row, bank;
+ u32 cs1_row;
u32 i, tmp;
u32 ddrconf = -1;
+ cs = cap_info->rank;
+ bw = cap_info->bw;
+ die_bw = cap_info->dbw;
+ col = cap_info->col;
+ row = cap_info->cs0_row;
+ cs1_row = cap_info->cs1_row;
+ bank = cap_info->bk;
+
- cs = sdram_ch.rank;
- bw = sdram_ch.bw;
- die_bw = sdram_ch.dbw;
- col = sdram_ch.col;
- row = sdram_ch.cs0_row;
- bank = sdram_ch.bk;
+ if (sdram_params->base.dramtype == DDR4) {
+ /* when DDR_TEST, CS always at MSB position for easy test */
+ if (cs == 2 && row == cs1_row) {
+ /* include 2cs cap both 2^n or both (2^n - 2^(n-2)) */
+ tmp = ((row - 13) << 3) | (1 << 2) | (bw & 0x2) |
+ die_bw;
+ for (i = 17; i < 21; i++) {
+ if (((tmp & 0x7) ==
+ (ddr4_cfg_2_rbc[i - 10] & 0x7)) &&
+ ((tmp & 0x3c) <=
+ (ddr4_cfg_2_rbc[i - 10] & 0x3c))) {
+ ddrconf = i;
+ goto out;
+ }
+ }
+ }
- if (sdram_params->dramtype == DDR4) {
tmp = ((cs - 1) << 6) | ((row - 13) << 3) | (bw & 0x2) | die_bw;
for (i = 10; i < 17; i++) {
if (((tmp & 0x7) == (ddr4_cfg_2_rbc[i - 10] & 0x7)) &&
@@ -246,6 +179,18 @@
goto out;
}
+ /* when DDR_TEST, CS always at MSB position for easy test */
+ if (cs == 2 && row == cs1_row) {
+ /* include 2cs cap both 2^n or both (2^n - 2^(n-2)) */
+ for (i = 5; i < 8; i++) {
+ if ((bw + col - 11) == (ddr_cfg_2_rbc[i] &
+ 0x3)) {
+ ddrconf = i;
+ goto out;
+ }
+ }
+ }
+
tmp = ((row - 13) << 4) | (1 << 2) | ((bw + col - 11) << 0);
for (i = 0; i < 5; i++)
if (((tmp & 0xf) == (ddr_cfg_2_rbc[i] & 0xf)) &&
@@ -257,23 +202,11 @@
out:
if (ddrconf > 20)
- printf("calculate_ddrconfig error\n");
+ printf("calculate ddrconfig error\n");
return ddrconf;
}
-/* n: Unit bytes */
-static void copy_to_reg(u32 *dest, u32 *src, u32 n)
-{
- int i;
-
- for (i = 0; i < n / sizeof(u32); i++) {
- writel(*src, dest);
- src++;
- dest++;
- }
-}
-
/*******
* calculate controller dram address map, and setting to register.
* argument sdram_ch.ddrconf must be right value before
@@ -282,274 +215,43 @@
static void set_ctl_address_map(struct dram_info *dram,
struct rk3328_sdram_params *sdram_params)
{
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
void __iomem *pctl_base = dram->pctl;
- copy_to_reg((u32 *)(pctl_base + DDR_PCTL2_ADDRMAP0),
- &addrmap[sdram_ch.ddrconfig][0], 9 * 4);
- if (sdram_params->dramtype == LPDDR3 && sdram_ch.row_3_4)
+ sdram_copy_to_reg((u32 *)(pctl_base + DDR_PCTL2_ADDRMAP0),
+ &addrmap[cap_info->ddrconfig][0], 9 * 4);
+ if (sdram_params->base.dramtype == LPDDR3 && cap_info->row_3_4)
setbits_le32(pctl_base + DDR_PCTL2_ADDRMAP6, 1 << 31);
- if (sdram_params->dramtype == DDR4 && sdram_ch.bw == 0x1)
+ if (sdram_params->base.dramtype == DDR4 && cap_info->bw == 0x1)
setbits_le32(pctl_base + DDR_PCTL2_PCCFG, 1 << 8);
- if (sdram_ch.rank == 1)
+ if (cap_info->rank == 1)
clrsetbits_le32(pctl_base + DDR_PCTL2_ADDRMAP0, 0x1f, 0x1f);
}
-static void phy_dll_bypass_set(struct dram_info *dram, u32 freq)
-{
- u32 tmp;
- void __iomem *phy_base = dram->phy;
-
- setbits_le32(PHY_REG(phy_base, 0x13), 1 << 4);
- clrbits_le32(PHY_REG(phy_base, 0x14), 1 << 3);
- setbits_le32(PHY_REG(phy_base, 0x26), 1 << 4);
- clrbits_le32(PHY_REG(phy_base, 0x27), 1 << 3);
- setbits_le32(PHY_REG(phy_base, 0x36), 1 << 4);
- clrbits_le32(PHY_REG(phy_base, 0x37), 1 << 3);
- setbits_le32(PHY_REG(phy_base, 0x46), 1 << 4);
- clrbits_le32(PHY_REG(phy_base, 0x47), 1 << 3);
- setbits_le32(PHY_REG(phy_base, 0x56), 1 << 4);
- clrbits_le32(PHY_REG(phy_base, 0x57), 1 << 3);
-
- if (freq <= 400)
- /* DLL bypass */
- setbits_le32(PHY_REG(phy_base, 0xa4), 0x1f);
- else
- clrbits_le32(PHY_REG(phy_base, 0xa4), 0x1f);
- if (freq <= 680)
- tmp = 2;
- else
- tmp = 1;
- writel(tmp, PHY_REG(phy_base, 0x28));
- writel(tmp, PHY_REG(phy_base, 0x38));
- writel(tmp, PHY_REG(phy_base, 0x48));
- writel(tmp, PHY_REG(phy_base, 0x58));
-}
-
-static void set_ds_odt(struct dram_info *dram,
- struct rk3328_sdram_params *sdram_params)
-{
- u32 cmd_drv, clk_drv, dqs_drv, dqs_odt;
- void __iomem *phy_base = dram->phy;
-
- if (sdram_params->dramtype == DDR3) {
- cmd_drv = PHY_DDR3_RON_RTT_34ohm;
- clk_drv = PHY_DDR3_RON_RTT_45ohm;
- dqs_drv = PHY_DDR3_RON_RTT_34ohm;
- dqs_odt = PHY_DDR3_RON_RTT_225ohm;
- } else {
- cmd_drv = PHY_DDR4_LPDDR3_RON_RTT_34ohm;
- clk_drv = PHY_DDR4_LPDDR3_RON_RTT_43ohm;
- dqs_drv = PHY_DDR4_LPDDR3_RON_RTT_34ohm;
- dqs_odt = PHY_DDR4_LPDDR3_RON_RTT_240ohm;
- }
- /* DS */
- writel(cmd_drv, PHY_REG(phy_base, 0x11));
- clrsetbits_le32(PHY_REG(phy_base, 0x12), 0x1f << 3, cmd_drv << 3);
- writel(clk_drv, PHY_REG(phy_base, 0x16));
- writel(clk_drv, PHY_REG(phy_base, 0x18));
- writel(dqs_drv, PHY_REG(phy_base, 0x20));
- writel(dqs_drv, PHY_REG(phy_base, 0x2f));
- writel(dqs_drv, PHY_REG(phy_base, 0x30));
- writel(dqs_drv, PHY_REG(phy_base, 0x3f));
- writel(dqs_drv, PHY_REG(phy_base, 0x40));
- writel(dqs_drv, PHY_REG(phy_base, 0x4f));
- writel(dqs_drv, PHY_REG(phy_base, 0x50));
- writel(dqs_drv, PHY_REG(phy_base, 0x5f));
- /* ODT */
- writel(dqs_odt, PHY_REG(phy_base, 0x21));
- writel(dqs_odt, PHY_REG(phy_base, 0x2e));
- writel(dqs_odt, PHY_REG(phy_base, 0x31));
- writel(dqs_odt, PHY_REG(phy_base, 0x3e));
- writel(dqs_odt, PHY_REG(phy_base, 0x41));
- writel(dqs_odt, PHY_REG(phy_base, 0x4e));
- writel(dqs_odt, PHY_REG(phy_base, 0x51));
- writel(dqs_odt, PHY_REG(phy_base, 0x5e));
-}
-
-static void phy_cfg(struct dram_info *dram,
- struct rk3328_sdram_params *sdram_params)
-{
- u32 i;
- void __iomem *phy_base = dram->phy;
-
- phy_dll_bypass_set(dram, sdram_params->ddr_freq);
- for (i = 0; sdram_params->phy_regs.phy[i][0] != 0xFFFFFFFF; i++) {
- writel(sdram_params->phy_regs.phy[i][1],
- phy_base + sdram_params->phy_regs.phy[i][0]);
- }
- if (sdram_ch.bw == 2) {
- clrsetbits_le32(PHY_REG(phy_base, 0), 0xf << 4, 0xf << 4);
- } else {
- clrsetbits_le32(PHY_REG(phy_base, 0), 0xf << 4, 3 << 4);
- /* disable DQS2,DQS3 tx dll for saving power */
- clrbits_le32(PHY_REG(phy_base, 0x46), 1 << 3);
- clrbits_le32(PHY_REG(phy_base, 0x56), 1 << 3);
- }
- set_ds_odt(dram, sdram_params);
- /* deskew */
- setbits_le32(PHY_REG(phy_base, 2), 8);
- copy_to_reg(PHY_REG(phy_base, 0xb0),
- &sdram_params->skew.a0_a1_skew[0], 15 * 4);
- copy_to_reg(PHY_REG(phy_base, 0x70),
- &sdram_params->skew.cs0_dm0_skew[0], 44 * 4);
- copy_to_reg(PHY_REG(phy_base, 0xc0),
- &sdram_params->skew.cs1_dm0_skew[0], 44 * 4);
-}
-
-static int update_refresh_reg(struct dram_info *dram)
-{
- void __iomem *pctl_base = dram->pctl;
- u32 ret;
-
- ret = readl(pctl_base + DDR_PCTL2_RFSHCTL3) ^ (1 << 1);
- writel(ret, pctl_base + DDR_PCTL2_RFSHCTL3);
-
- return 0;
-}
-
static int data_training(struct dram_info *dram, u32 cs, u32 dramtype)
{
- u32 ret;
- u32 dis_auto_zq = 0;
- void __iomem *pctl_base = dram->pctl;
- void __iomem *phy_base = dram->phy;
-
- /* disable zqcs */
- if (!(readl(pctl_base + DDR_PCTL2_ZQCTL0) &
- (1ul << 31))) {
- dis_auto_zq = 1;
- setbits_le32(pctl_base + DDR_PCTL2_ZQCTL0, 1 << 31);
- }
- /* disable auto refresh */
- setbits_le32(pctl_base + DDR_PCTL2_RFSHCTL3, 1);
- update_refresh_reg(dram);
-
- if (dramtype == DDR4) {
- clrsetbits_le32(PHY_REG(phy_base, 0x29), 0x3, 0);
- clrsetbits_le32(PHY_REG(phy_base, 0x39), 0x3, 0);
- clrsetbits_le32(PHY_REG(phy_base, 0x49), 0x3, 0);
- clrsetbits_le32(PHY_REG(phy_base, 0x59), 0x3, 0);
- }
- /* choose training cs */
- clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs));
- /* enable gate training */
- clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs) | 1);
- udelay(50);
- ret = readl(PHY_REG(phy_base, 0xff));
- /* disable gate training */
- clrsetbits_le32(PHY_REG(phy_base, 2), 0x33, (0x20 >> cs) | 0);
- /* restore zqcs */
- if (dis_auto_zq)
- clrbits_le32(pctl_base + DDR_PCTL2_ZQCTL0, 1 << 31);
- /* restore auto refresh */
- clrbits_le32(pctl_base + DDR_PCTL2_RFSHCTL3, 1);
- update_refresh_reg(dram);
-
- if (dramtype == DDR4) {
- clrsetbits_le32(PHY_REG(phy_base, 0x29), 0x3, 0x2);
- clrsetbits_le32(PHY_REG(phy_base, 0x39), 0x3, 0x2);
- clrsetbits_le32(PHY_REG(phy_base, 0x49), 0x3, 0x2);
- clrsetbits_le32(PHY_REG(phy_base, 0x59), 0x3, 0x2);
- }
-
- if (ret & 0x10) {
- ret = -1;
- } else {
- ret = (ret & 0xf) ^ (readl(PHY_REG(phy_base, 0)) >> 4);
- ret = (ret == 0) ? 0 : -1;
- }
- return ret;
-}
-
-/* rank = 1: cs0
- * rank = 2: cs1
- * rank = 3: cs0 & cs1
- * note: be careful of keep mr original val
- */
-static int write_mr(struct dram_info *dram, u32 rank, u32 mr_num, u32 arg,
- u32 dramtype)
-{
void __iomem *pctl_base = dram->pctl;
-
- while (readl(pctl_base + DDR_PCTL2_MRSTAT) & MR_WR_BUSY)
- continue;
- if (dramtype == DDR3 || dramtype == DDR4) {
- writel((mr_num << 12) | (rank << 4) | (0 << 0),
- pctl_base + DDR_PCTL2_MRCTRL0);
- writel(arg, pctl_base + DDR_PCTL2_MRCTRL1);
- } else {
- writel((rank << 4) | (0 << 0),
- pctl_base + DDR_PCTL2_MRCTRL0);
- writel((mr_num << 8) | (arg & 0xff),
- pctl_base + DDR_PCTL2_MRCTRL1);
- }
-
- setbits_le32(pctl_base + DDR_PCTL2_MRCTRL0, 1u << 31);
- while (readl(pctl_base + DDR_PCTL2_MRCTRL0) & (1u << 31))
- continue;
- while (readl(pctl_base + DDR_PCTL2_MRSTAT) & MR_WR_BUSY)
- continue;
-
- return 0;
-}
-
-/*
- * rank : 1:cs0, 2:cs1, 3:cs0&cs1
- * vrefrate: 4500: 45%,
- */
-static int write_vrefdq(struct dram_info *dram, u32 rank, u32 vrefrate,
- u32 dramtype)
-{
- u32 tccd_l, value;
u32 dis_auto_zq = 0;
- void __iomem *pctl_base = dram->pctl;
-
- if (dramtype != DDR4 || vrefrate < 4500 || vrefrate > 9200)
- return -1;
+ u32 pwrctl;
+ u32 ret;
- tccd_l = (readl(pctl_base + DDR_PCTL2_DRAMTMG4) >> 16) & 0xf;
- tccd_l = (tccd_l - 4) << 10;
+ /* disable auto low-power */
+ pwrctl = readl(pctl_base + DDR_PCTL2_PWRCTL);
+ writel(0, pctl_base + DDR_PCTL2_PWRCTL);
- if (vrefrate > 7500) {
- /* range 1 */
- value = ((vrefrate - 6000) / 65) | tccd_l;
- } else {
- /* range 2 */
- value = ((vrefrate - 4500) / 65) | tccd_l | (1 << 6);
- }
+ dis_auto_zq = pctl_dis_zqcs_aref(dram->pctl);
- /* disable zqcs */
- if (!(readl(pctl_base + DDR_PCTL2_ZQCTL0) &
- (1ul << 31))) {
- dis_auto_zq = 1;
- setbits_le32(pctl_base + DDR_PCTL2_ZQCTL0, 1 << 31);
- }
- /* disable auto refresh */
- setbits_le32(pctl_base + DDR_PCTL2_RFSHCTL3, 1);
- update_refresh_reg(dram);
+ ret = phy_data_training(dram->phy, cs, dramtype);
- /* enable vrefdq calibratin */
- write_mr(dram, rank, 6, value | (1 << 7), dramtype);
- udelay(1);/* tvrefdqe */
- /* write vrefdq value */
- write_mr(dram, rank, 6, value | (1 << 7), dramtype);
- udelay(1);/* tvref_time */
- write_mr(dram, rank, 6, value | (0 << 7), dramtype);
- udelay(1);/* tvrefdqx */
+ pctl_rest_zqcs_aref(dram->pctl, dis_auto_zq);
- /* restore zqcs */
- if (dis_auto_zq)
- clrbits_le32(pctl_base + DDR_PCTL2_ZQCTL0, 1 << 31);
- /* restore auto refresh */
- clrbits_le32(pctl_base + DDR_PCTL2_RFSHCTL3, 1);
- update_refresh_reg(dram);
+ /* restore auto low-power */
+ writel(pwrctl, pctl_base + DDR_PCTL2_PWRCTL);
- return 0;
+ return ret;
}
-#define _MAX_(x, y) ((x) > (y) ? (x) : (y))
-
static void rx_deskew_switch_adjust(struct dram_info *dram)
{
u32 i, deskew_val;
@@ -557,7 +259,7 @@
void __iomem *phy_base = dram->phy;
for (i = 0; i < 4; i++)
- gate_val = _MAX_(readl(PHY_REG(phy_base, 0xfb + i)), gate_val);
+ gate_val = MAX(readl(PHY_REG(phy_base, 0xfb + i)), gate_val);
deskew_val = (gate_val >> 3) + 1;
deskew_val = (deskew_val > 0x1f) ? 0x1f : deskew_val;
@@ -566,8 +268,6 @@
(deskew_val & 0x1c) << 2);
}
-#undef _MAX_
-
static void tx_deskew_switch_adjust(struct dram_info *dram)
{
void __iomem *phy_base = dram->phy;
@@ -580,40 +280,39 @@
writel(ddrconfig, &dram->msch->ddrconf);
}
-static void dram_all_config(struct dram_info *dram,
- struct rk3328_sdram_params *sdram_params)
+static void sdram_msch_config(struct msch_regs *msch,
+ struct sdram_msch_timings *noc_timings)
{
- u32 sys_reg = 0, tmp = 0;
+ writel(noc_timings->ddrtiming.d32, &msch->ddrtiming);
- set_ddrconfig(dram, sdram_ch.ddrconfig);
+ writel(noc_timings->ddrmode.d32, &msch->ddrmode);
+ writel(noc_timings->readlatency, &msch->readlatency);
- sys_reg |= SYS_REG_ENC_DDRTYPE(sdram_params->dramtype);
- sys_reg |= SYS_REG_ENC_ROW_3_4(sdram_ch.row_3_4, 0);
- sys_reg |= SYS_REG_ENC_RANK(sdram_ch.rank, 0);
- sys_reg |= SYS_REG_ENC_COL(sdram_ch.col, 0);
- sys_reg |= SYS_REG_ENC_BK(sdram_ch.bk, 0);
- SYS_REG_ENC_CS0_ROW(sdram_ch.cs0_row, sys_reg, tmp, 0);
- if (sdram_ch.cs1_row)
- SYS_REG_ENC_CS1_ROW(sdram_ch.cs1_row, sys_reg, tmp, 0);
- sys_reg |= SYS_REG_ENC_BW(sdram_ch.bw, 0);
- sys_reg |= SYS_REG_ENC_DBW(sdram_ch.dbw, 0);
-
- writel(sys_reg, &dram->grf->os_reg[2]);
+ writel(noc_timings->activate.d32, &msch->activate);
+ writel(noc_timings->devtodev.d32, &msch->devtodev);
+ writel(noc_timings->ddr4timing.d32, &msch->ddr4_timing);
+ writel(noc_timings->agingx0, &msch->aging0);
+ writel(noc_timings->agingx0, &msch->aging1);
+ writel(noc_timings->agingx0, &msch->aging2);
+ writel(noc_timings->agingx0, &msch->aging3);
+ writel(noc_timings->agingx0, &msch->aging4);
+ writel(noc_timings->agingx0, &msch->aging5);
+}
- writel(sdram_ch.noc_timings.ddrtiming.d32, &dram->msch->ddrtiming);
+static void dram_all_config(struct dram_info *dram,
+ struct rk3328_sdram_params *sdram_params)
+{
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+ u32 sys_reg2 = 0;
+ u32 sys_reg3 = 0;
- writel(sdram_ch.noc_timings.ddrmode.d32, &dram->msch->ddrmode);
- writel(sdram_ch.noc_timings.readlatency, &dram->msch->readlatency);
+ set_ddrconfig(dram, cap_info->ddrconfig);
+ sdram_org_config(cap_info, &sdram_params->base, &sys_reg2,
+ &sys_reg3, 0);
+ writel(sys_reg2, &dram->grf->os_reg[2]);
+ writel(sys_reg3, &dram->grf->os_reg[3]);
- writel(sdram_ch.noc_timings.activate.d32, &dram->msch->activate);
- writel(sdram_ch.noc_timings.devtodev.d32, &dram->msch->devtodev);
- writel(sdram_ch.noc_timings.ddr4timing.d32, &dram->msch->ddr4_timing);
- writel(sdram_ch.noc_timings.agingx0, &dram->msch->aging0);
- writel(sdram_ch.noc_timings.agingx0, &dram->msch->aging1);
- writel(sdram_ch.noc_timings.agingx0, &dram->msch->aging2);
- writel(sdram_ch.noc_timings.agingx0, &dram->msch->aging3);
- writel(sdram_ch.noc_timings.agingx0, &dram->msch->aging4);
- writel(sdram_ch.noc_timings.agingx0, &dram->msch->aging5);
+ sdram_msch_config(dram->msch, &sdram_ch.noc_timings);
}
static void enable_low_power(struct dram_info *dram,
@@ -641,6 +340,7 @@
static int sdram_init(struct dram_info *dram,
struct rk3328_sdram_params *sdram_params, u32 pre_init)
{
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
void __iomem *pctl_base = dram->pctl;
rkclk_ddr_reset(dram, 1, 1, 1, 1);
@@ -652,30 +352,18 @@
*/
rkclk_ddr_reset(dram, 1, 1, 1, 0);
rkclk_configure_ddr(dram, sdram_params);
- if (pre_init == 0) {
- switch (sdram_params->dramtype) {
- case DDR3:
- printf("DDR3\n");
- break;
- case DDR4:
- printf("DDR4\n");
- break;
- case LPDDR3:
- default:
- printf("LPDDR3\n");
- break;
- }
- }
+
/* release phy srst to provide clk to ctrl */
rkclk_ddr_reset(dram, 1, 1, 0, 0);
udelay(10);
- phy_soft_reset(dram);
+ phy_soft_reset(dram->phy);
/* release ctrl presetn, and config ctl registers */
rkclk_ddr_reset(dram, 1, 0, 0, 0);
- pctl_cfg(dram, sdram_params);
- sdram_ch.ddrconfig = calculate_ddrconfig(sdram_params);
+ pctl_cfg(dram->pctl, &sdram_params->pctl_regs, SR_IDLE, PD_IDLE);
+ cap_info->ddrconfig = calculate_ddrconfig(sdram_params);
set_ctl_address_map(dram, sdram_params);
- phy_cfg(dram, sdram_params);
+ phy_cfg(dram->phy, &sdram_params->phy_regs, &sdram_params->skew,
+ &sdram_params->base, cap_info->bw);
/* enable dfi_init_start to init phy after ctl srstn deassert */
setbits_le32(pctl_base + DDR_PCTL2_DFIMISC, (1 << 5) | (1 << 4));
@@ -685,13 +373,18 @@
continue;
/* do ddr gate training */
- if (data_training(dram, 0, sdram_params->dramtype) != 0) {
+ if (data_training(dram, 0, sdram_params->base.dramtype) != 0) {
+ printf("data training error\n");
+ return -1;
+ }
+ if (data_training(dram, 1, sdram_params->base.dramtype) != 0) {
printf("data training error\n");
return -1;
}
- if (sdram_params->dramtype == DDR4)
- write_vrefdq(dram, 0x3, 5670, sdram_params->dramtype);
+ if (sdram_params->base.dramtype == DDR4)
+ pctl_write_vrefdq(dram->pctl, 0x3, 5670,
+ sdram_params->base.dramtype);
if (pre_init == 0) {
rx_deskew_switch_adjust(dram);
@@ -708,7 +401,7 @@
struct rk3328_sdram_params *sdram_params,
unsigned char channel)
{
- void __iomem *pctl_base = dram->pctl;
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
/*
* for ddr3: ddrconf = 3
@@ -718,14 +411,10 @@
*/
u32 bk, bktmp;
u32 col, coltmp;
- u32 row, rowtmp, row_3_4;
- void __iomem *test_addr, *test_addr1;
- u32 dbw;
+ u32 rowtmp;
u32 cs;
u32 bw = 1;
- u64 cap = 0;
- u32 dram_type = sdram_params->dramtype;
- u32 pwrctl;
+ u32 dram_type = sdram_params->base.dramtype;
if (dram_type != DDR4) {
/* detect col and bk for ddr3/lpddr3 */
@@ -733,33 +422,10 @@
bktmp = 3;
rowtmp = 16;
- for (col = coltmp; col >= 9; col -= 1) {
- writel(0, SDRAM_ADDR);
- test_addr = (void __iomem *)(SDRAM_ADDR +
- (1ul << (col + bw - 1ul)));
- writel(PATTERN, test_addr);
- if ((readl(test_addr) == PATTERN) &&
- (readl(SDRAM_ADDR) == 0))
- break;
- }
- if (col == 8) {
- printf("col error\n");
+ if (sdram_detect_col(cap_info, coltmp) != 0)
goto cap_err;
- }
-
- test_addr = (void __iomem *)(SDRAM_ADDR +
- (1ul << (coltmp + bktmp + bw - 1ul)));
- writel(0, SDRAM_ADDR);
- writel(PATTERN, test_addr);
- if ((readl(test_addr) == PATTERN) &&
- (readl(SDRAM_ADDR) == 0))
- bk = 3;
- else
- bk = 2;
- if (dram_type == LPDDR3)
- dbw = 2;
- else
- dbw = 1;
+ sdram_detect_bank(cap_info, coltmp, bktmp);
+ sdram_detect_dbw(cap_info, dram_type);
} else {
/* detect bg for ddr4 */
coltmp = 10;
@@ -768,178 +434,49 @@
col = 10;
bk = 2;
- test_addr = (void __iomem *)(SDRAM_ADDR +
- (1ul << (coltmp + bw + 1ul)));
- writel(0, SDRAM_ADDR);
- writel(PATTERN, test_addr);
- if ((readl(test_addr) == PATTERN) &&
- (readl(SDRAM_ADDR) == 0))
- dbw = 0;
- else
- dbw = 1;
+ cap_info->col = col;
+ cap_info->bk = bk;
+ sdram_detect_bg(cap_info, coltmp);
}
+
/* detect row */
- for (row = rowtmp; row > 12; row--) {
- writel(0, SDRAM_ADDR);
- test_addr = (void __iomem *)(SDRAM_ADDR +
- (1ul << (row + bktmp + coltmp + bw - 1ul)));
- writel(PATTERN, test_addr);
- if ((readl(test_addr) == PATTERN) &&
- (readl(SDRAM_ADDR) == 0))
- break;
- }
- if (row == 12) {
- printf("row error");
+ if (sdram_detect_row(cap_info, coltmp, bktmp, rowtmp) != 0)
goto cap_err;
- }
- /* detect row_3_4 */
- test_addr = SDRAM_ADDR;
- test_addr1 = (void __iomem *)(SDRAM_ADDR +
- (0x3ul << (row + bktmp + coltmp + bw - 1ul - 1ul)));
-
- writel(0, test_addr);
- writel(PATTERN, test_addr1);
- if ((readl(test_addr) == 0) &&
- (readl(test_addr1) == PATTERN))
- row_3_4 = 0;
- else
- row_3_4 = 1;
- /* disable auto low-power */
- pwrctl = readl(pctl_base + DDR_PCTL2_PWRCTL);
- writel(0, pctl_base + DDR_PCTL2_PWRCTL);
+ /* detect row_3_4 */
+ sdram_detect_row_3_4(cap_info, coltmp, bktmp);
- /* bw and cs detect using phy read gate training */
+ /* bw and cs detect using data training */
if (data_training(dram, 1, dram_type) == 0)
cs = 1;
else
cs = 0;
+ cap_info->rank = cs + 1;
bw = 2;
-
- /* restore auto low-power */
- writel(pwrctl, pctl_base + DDR_PCTL2_PWRCTL);
-
- sdram_ch.rank = cs + 1;
- sdram_ch.col = col;
- sdram_ch.bk = bk;
- sdram_ch.dbw = dbw;
- sdram_ch.bw = bw;
- sdram_ch.cs0_row = row;
- if (cs)
- sdram_ch.cs1_row = row;
- else
- sdram_ch.cs1_row = 0;
- sdram_ch.row_3_4 = row_3_4;
-
- if (dram_type == DDR4)
- cap = 1llu << (cs + row + bk + col + ((dbw == 0) ? 2 : 1) + bw);
- else
- cap = 1llu << (cs + row + bk + col + bw);
-
- return cap;
-
-cap_err:
- return 0;
-}
-
-static u32 remodify_sdram_params(struct rk3328_sdram_params *sdram_params)
-{
- u32 tmp = 0, tmp_adr = 0, i;
-
- for (i = 0; sdram_params->pctl_regs.pctl[i][0] != 0xFFFFFFFF; i++) {
- if (sdram_params->pctl_regs.pctl[i][0] == 0) {
- tmp = sdram_params->pctl_regs.pctl[i][1];/* MSTR */
- tmp_adr = i;
- }
- }
-
- tmp &= ~((3ul << 30) | (3ul << 24) | (3ul << 12));
+ cap_info->bw = bw;
- switch (sdram_ch.dbw) {
- case 2:
- tmp |= (3ul << 30);
- break;
- case 1:
- tmp |= (2ul << 30);
- break;
- case 0:
- default:
- tmp |= (1ul << 30);
- break;
+ cap_info->cs0_high16bit_row = cap_info->cs0_row;
+ if (cs) {
+ cap_info->cs1_row = cap_info->cs0_row;
+ cap_info->cs1_high16bit_row = cap_info->cs0_row;
+ } else {
+ cap_info->cs1_row = 0;
+ cap_info->cs1_high16bit_row = 0;
}
- if (sdram_ch.rank == 2)
- tmp |= 3 << 24;
- else
- tmp |= 1 << 24;
-
- tmp |= (2 - sdram_ch.bw) << 12;
-
- sdram_params->pctl_regs.pctl[tmp_adr][1] = tmp;
-
- if (sdram_ch.bw == 2)
- sdram_ch.noc_timings.ddrtiming.b.bwratio = 0;
- else
- sdram_ch.noc_timings.ddrtiming.b.bwratio = 1;
-
return 0;
-}
-
-static int dram_detect_cs1_row(struct rk3328_sdram_params *sdram_params,
- unsigned char channel)
-{
- u32 ret = 0;
- u32 cs1_bit;
- void __iomem *test_addr, *cs1_addr;
- u32 row, bktmp, coltmp, bw;
- u32 ddrconf = sdram_ch.ddrconfig;
-
- if (sdram_ch.rank == 2) {
- cs1_bit = addrmap[ddrconf][0] + 8;
-
- if (cs1_bit > 31)
- goto out;
-
- cs1_addr = (void __iomem *)(1ul << cs1_bit);
- if (cs1_bit < 20)
- cs1_bit = 1;
- else
- cs1_bit = 0;
-
- if (sdram_params->dramtype == DDR4) {
- if (sdram_ch.dbw == 0)
- bktmp = sdram_ch.bk + 2;
- else
- bktmp = sdram_ch.bk + 1;
- } else {
- bktmp = sdram_ch.bk;
- }
- bw = sdram_ch.bw;
- coltmp = sdram_ch.col;
-
- /* detect cs1 row */
- for (row = sdram_ch.cs0_row; row > 12; row--) {
- test_addr = (void __iomem *)(SDRAM_ADDR + cs1_addr +
- (1ul << (row + cs1_bit + bktmp +
- coltmp + bw - 1ul)));
- writel(0, SDRAM_ADDR + cs1_addr);
- writel(PATTERN, test_addr);
- if ((readl(test_addr) == PATTERN) &&
- (readl(SDRAM_ADDR + cs1_addr) == 0)) {
- ret = row;
- break;
- }
- }
- }
-
-out:
- return ret;
+cap_err:
+ return -1;
}
static int sdram_init_detect(struct dram_info *dram,
struct rk3328_sdram_params *sdram_params)
{
+ u32 sys_reg = 0;
+ u32 sys_reg3 = 0;
+ struct sdram_cap_info *cap_info = &sdram_params->ch.cap_info;
+
debug("Starting SDRAM initialization...\n");
memcpy(&sdram_ch, &sdram_params->ch,
@@ -949,13 +486,29 @@
dram_detect_cap(dram, sdram_params, 0);
/* modify bw, cs related timing */
- remodify_sdram_params(sdram_params);
+ pctl_remodify_sdram_params(&sdram_params->pctl_regs, cap_info,
+ sdram_params->base.dramtype);
+
+ if (cap_info->bw == 2)
+ sdram_ch.noc_timings.ddrtiming.b.bwratio = 0;
+ else
+ sdram_ch.noc_timings.ddrtiming.b.bwratio = 1;
+
/* reinit sdram by real dram cap */
sdram_init(dram, sdram_params, 0);
/* redetect cs1 row */
- sdram_ch.cs1_row =
- dram_detect_cs1_row(sdram_params, 0);
+ sdram_detect_cs1_row(cap_info, sdram_params->base.dramtype);
+ if (cap_info->cs1_row) {
+ sys_reg = readl(&dram->grf->os_reg[2]);
+ sys_reg3 = readl(&dram->grf->os_reg[3]);
+ SYS_REG_ENC_CS1_ROW(cap_info->cs1_row,
+ sys_reg, sys_reg3, 0);
+ writel(sys_reg, &dram->grf->os_reg[2]);
+ writel(sys_reg3, &dram->grf->os_reg[3]);
+ }
+
+ sdram_print_ddr_info(&sdram_params->ch.cap_info, &sdram_params->base);
return 0;
}