[PATCH v2 06/28] ram: rockchip: Update ddr pctl regs for px30
Kever Yang
kever.yang at rock-chips.com
Wed Sep 28 14:17:15 CEST 2022
On 2022/8/18 22:52, Jagan Teki wrote:
> Add full ddr pctl registers and bit masks for px30.
>
> Signed-off-by: YouMin Chen <cym at rock-chips.com>
> Signed-off-by: Jagan Teki <jagan at edgeble.ai>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>
Thanks,
- Kever
> ---
> Changes for v2:
> - none
>
> .../asm/arch-rockchip/sdram_pctl_px30.h | 100 +++++++++++++++++-
> drivers/ram/rockchip/sdram_pctl_px30.c | 6 +-
> 2 files changed, 101 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm/include/asm/arch-rockchip/sdram_pctl_px30.h b/arch/arm/include/asm/arch-rockchip/sdram_pctl_px30.h
> index 3a3657789f..3780dc6ea5 100644
> --- a/arch/arm/include/asm/arch-rockchip/sdram_pctl_px30.h
> +++ b/arch/arm/include/asm/arch-rockchip/sdram_pctl_px30.h
> @@ -12,7 +12,7 @@
> #endif
>
> struct ddr_pctl_regs {
> - u32 pctl[30][2];
> + u32 pctl[35][2];
> };
>
> /* ddr pctl registers define */
> @@ -25,6 +25,7 @@ struct ddr_pctl_regs {
> #define DDR_PCTL2_MRCTRL2 0x1c
> #define DDR_PCTL2_DERATEEN 0x20
> #define DDR_PCTL2_DERATEINT 0x24
> +#define DDR_PCTL2_MSTR2 0x28
> #define DDR_PCTL2_PWRCTL 0x30
> #define DDR_PCTL2_PWRTMG 0x34
> #define DDR_PCTL2_HWLPCTL 0x38
> @@ -122,8 +123,103 @@ struct ddr_pctl_regs {
> #define DDR_PCTL2_PCFGW_n 0x408
> #define DDR_PCTL2_PCTRL_n 0x490
>
> +#define UMCTL2_REGS_FREQ(n) \
> + ((0x1000 * (n) + (((n) > 0) ? 0x1000 : 0)))
> +
> +/* PCTL2_MSTR */
> +#define PCTL2_FREQUENCY_MODE_MASK (1)
> +#define PCTL2_FREQUENCY_MODE_SHIFT (29)
> +#define PCTL2_DLL_OFF_MODE BIT(15)
> +/* PCTL2_STAT */
> +#define PCTL2_SELFREF_TYPE_MASK (3 << 4)
> +#define PCTL2_SELFREF_TYPE_SR_NOT_AUTO (2 << 4)
> +#define PCTL2_OPERATING_MODE_MASK (7)
> +#define PCTL2_OPERATING_MODE_INIT (0)
> +#define PCTL2_OPERATING_MODE_NORMAL (1)
> +#define PCTL2_OPERATING_MODE_PD (2)
> +#define PCTL2_OPERATING_MODE_SR (3)
> +/* PCTL2_MRCTRL0 */
> +#define PCTL2_MR_WR BIT(31)
> +#define PCTL2_MR_ADDR_SHIFT (12)
> +#define PCTL2_MR_RANK_SHIFT (4)
> +#define PCTL2_MR_TYPE_WR (0)
> +#define PCTL2_MR_TYPE_RD (1)
> +/* PCTL2_MRCTRL1 */
> +#define PCTL2_MR_ADDRESS_SHIFT (8)
> +#define PCTL2_MR_DATA_MASK (0xff)
> /* PCTL2_MRSTAT */
> -#define MR_WR_BUSY BIT(0)
> +#define PCTL2_MR_WR_BUSY BIT(0)
> +/* PCTL2_DERATEEN */
> +#define PCTL2_DERATE_ENABLE (1)
> +/* PCTL2_PWRCTL */
> +#define PCTL2_SELFREF_SW BIT(5)
> +#define PCTL2_POWERDOWN_EN BIT(1)
> +#define PCTL2_SELFREF_EN (1)
> +/* PCTL2_PWRTMG */
> +#define PCTL2_SELFREF_TO_X32_MASK (0xFF)
> +#define PCTL2_SELFREF_TO_X32_SHIFT (16)
> +#define PCTL2_POWERDOWN_TO_X32_MASK (0x1F)
> +/* PCTL2_INIT3 */
> +#define PCTL2_DDR34_MR0_SHIFT (16)
> +#define PCTL2_LPDDR234_MR1_SHIFT (16)
> +#define PCTL2_DDR34_MR1_SHIFT (0)
> +#define PCTL2_LPDDR234_MR2_SHIFT (0)
> +/* PCTL2_INIT4 */
> +#define PCTL2_DDR34_MR2_SHIFT (16)
> +#define PCTL2_LPDDR234_MR3_SHIFT (16)
> +#define PCTL2_DDR34_MR3_SHIFT (0)
> +#define PCTL2_LPDDR4_MR13_SHIFT (0)
> +
> +/* PCTL2_INIT6 */
> +#define PCTL2_DDR4_MR4_SHIFT (16)
> +#define PCTL2_LPDDR4_MR11_SHIFT (16)
> +#define PCTL2_DDR4_MR5_SHIFT (0)
> +#define PCTL2_LPDDR4_MR12_SHIFT (0)
> +
> +/* PCTL2_INIT7 */
> +#define PCTL2_LPDDR4_MR22_SHIFT (16)
> +#define PCTL2_DDR4_MR6_SHIFT (0)
> +#define PCTL2_LPDDR4_MR14_SHIFT (0)
> +
> +#define PCTL2_MR_MASK (0xffff)
> +
> +/* PCTL2_RFSHCTL3 */
> +#define PCTL2_DIS_AUTO_REFRESH (1)
> +/* PCTL2_ZQCTL0 */
> +#define PCTL2_DIS_AUTO_ZQ BIT(31)
> +#define PCTL2_DIS_SRX_ZQCL BIT(30)
> +/* PCTL2_DFILPCFG0 */
> +#define PCTL2_DFI_LP_EN_SR BIT(8)
> +#define PCTL2_DFI_LP_EN_SR_MASK BIT(8)
> +#define PCTL2_DFI_LP_EN_SR_SHIFT (8)
> +/* PCTL2_DFIMISC */
> +#define PCTL2_DFI_INIT_COMPLETE_EN (1)
> +/* PCTL2_DFISTAT */
> +#define PCTL2_DFI_LP_ACK BIT(1)
> +#define PCTL2_DFI_INIT_COMPLETE (1)
> +/* PCTL2_DBG1 */
> +#define PCTL2_DIS_HIF BIT(1)
> +/* PCTL2_DBGCAM */
> +#define PCTL2_DBG_WR_Q_EMPTY BIT(26)
> +#define PCTL2_DBG_RD_Q_EMPTY BIT(25)
> +#define PCTL2_DBG_LPR_Q_DEPTH_MASK (0xffff << 8)
> +#define PCTL2_DBG_LPR_Q_DEPTH_EMPTY (0x0 << 8)
> +/* PCTL2_DBGCMD */
> +#define PCTL2_RANK1_REFRESH BIT(1)
> +#define PCTL2_RANK0_REFRESH (1)
> +/* PCTL2_DBGSTAT */
> +#define PCTL2_RANK1_REFRESH_BUSY BIT(1)
> +#define PCTL2_RANK0_REFRESH_BUSY (1)
> +/* PCTL2_SWCTL */
> +#define PCTL2_SW_DONE (1)
> +#define PCTL2_SW_DONE_CLEAR (0)
> +/* PCTL2_SWSTAT */
> +#define PCTL2_SW_DONE_ACK (1)
> +/* PCTL2_PSTAT */
> +#define PCTL2_WR_PORT_BUSY_0 BIT(16)
> +#define PCTL2_RD_PORT_BUSY_0 (1)
> +/* PCTL2_PCTRLn */
> +#define PCTL2_PORT_EN (1)
>
> void pctl_read_mr(void __iomem *pctl_base, u32 rank, u32 mr_num);
> int pctl_write_mr(void __iomem *pctl_base, u32 rank, u32 mr_num, u32 arg,
> diff --git a/drivers/ram/rockchip/sdram_pctl_px30.c b/drivers/ram/rockchip/sdram_pctl_px30.c
> index 331d85fba2..e5c80fb83b 100644
> --- a/drivers/ram/rockchip/sdram_pctl_px30.c
> +++ b/drivers/ram/rockchip/sdram_pctl_px30.c
> @@ -21,7 +21,7 @@ void pctl_read_mr(void __iomem *pctl_base, u32 rank, u32 mr_num)
> 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)
> + while (readl(pctl_base + DDR_PCTL2_MRSTAT) & PCTL2_MR_WR_BUSY)
> continue;
> }
>
> @@ -33,7 +33,7 @@ void pctl_read_mr(void __iomem *pctl_base, u32 rank, u32 mr_num)
> int pctl_write_mr(void __iomem *pctl_base, u32 rank, u32 mr_num, u32 arg,
> u32 dramtype)
> {
> - while (readl(pctl_base + DDR_PCTL2_MRSTAT) & MR_WR_BUSY)
> + while (readl(pctl_base + DDR_PCTL2_MRSTAT) & PCTL2_MR_WR_BUSY)
> continue;
> if (dramtype == DDR3 || dramtype == DDR4) {
> writel((mr_num << 12) | (rank << 4) | (0 << 0),
> @@ -49,7 +49,7 @@ int pctl_write_mr(void __iomem *pctl_base, u32 rank, u32 mr_num, u32 arg,
> 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)
> + while (readl(pctl_base + DDR_PCTL2_MRSTAT) & PCTL2_MR_WR_BUSY)
> continue;
>
> return 0;
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