platform: Add AE350 cache control SBIs

This patch contains the following AE350 specific SBIs:

- get mcache_ctl status
- get mmisc_ctl status
- set mcache_ctl status
- set mmisc_ctl status
- I-cache operation
- D-cache operation
- enable/disable L1-I-cache prefetch
- enable/disable L1-D-cache prefetch
- enable/disable non-blocking load store
- enable/disable write-around

Signed-off-by: Nylon Chen <nylon7@andestech.com>
Reviewed-by: Anup Patel <Anup.Patel@wdc.com>
Reviewed-by: Atish Patra <Atish.Patra@wdc.com>
This commit is contained in:
Nylon Chen
2020-06-09 13:56:58 +08:00
committed by Anup Patel
parent 980290651f
commit 32f87e5a86
5 changed files with 186 additions and 1 deletions

View File

@@ -29,6 +29,19 @@
#define AE350_UART_REG_SHIFT 2
#define AE350_UART_REG_WIDTH 0
/*Memory and Miscellaneous Registers*/
#define CSR_MILMB 0x7c0
#define CSR_MDLMB 0x7c1
#define CSR_MECC_CDOE 0x7c2
#define CSR_MNVEC 0x7c3
#define CSR_MPFTCTL 0x7c5
#define CSR_MCACHECTL 0x7ca
#define CSR_MCCTLBEGINADDR 0x7cb
#define CSR_MCCTLCOMMAND 0x7cc
#define CSR_MCCTLDATA 0x7cc
#define CSR_SCCTLDATA 0x9cd
#define CSR_UCCTLBEGINADDR 0x80c
#define CSR_MMISCCTL 0x7d0
enum sbi_ext_andes_fid {
SBI_EXT_ANDES_GET_MCACHE_CTL_STATUS = 0,
@@ -43,6 +56,31 @@ enum sbi_ext_andes_fid {
SBI_EXT_ANDES_WRITE_AROUND,
};
/* nds v5 mmisc_ctl register*/
#define V5_MMISC_CTL_VEC_PLIC_OFFSET 1
#define V5_MMISC_CTL_RVCOMPM_OFFSET 2
#define V5_MMISC_CTL_BRPE_OFFSET 3
#define V5_MMISC_CTL_MSA_OR_UNA_OFFSET 6
#define V5_MMISC_CTL_NON_BLOCKING_OFFSET 8
#define V5_MCACHE_CTL_L1I_PREFETCH_OFFSET 9
#define V5_MCACHE_CTL_L1D_PREFETCH_OFFSET 10
#define V5_MCACHE_CTL_DC_WAROUND_OFFSET_1 13
#define V5_MCACHE_CTL_DC_WAROUND_OFFSET_2 14
#define V5_MMISC_CTL_VEC_PLIC_EN (1UL << V5_MMISC_CTL_VEC_PLIC_OFFSET)
#define V5_MMISC_CTL_RVCOMPM_EN (1UL << V5_MMISC_CTL_RVCOMPM_OFFSET)
#define V5_MMISC_CTL_BRPE_EN (1UL << V5_MMISC_CTL_BRPE_OFFSET)
#define V5_MMISC_CTL_MSA_OR_UNA_EN (1UL << V5_MMISC_CTL_MSA_OR_UNA_OFFSET)
#define V5_MMISC_CTL_NON_BLOCKING_EN (1UL << V5_MMISC_CTL_NON_BLOCKING_OFFSET)
#define V5_MCACHE_CTL_L1I_PREFETCH_EN (1UL << V5_MCACHE_CTL_L1I_PREFETCH_OFFSET)
#define V5_MCACHE_CTL_L1D_PREFETCH_EN (1UL << V5_MCACHE_CTL_L1D_PREFETCH_OFFSET)
#define V5_MCACHE_CTL_DC_WAROUND_1_EN (1UL << V5_MCACHE_CTL_DC_WAROUND_OFFSET_1)
#define V5_MCACHE_CTL_DC_WAROUND_2_EN (1UL << V5_MCACHE_CTL_DC_WAROUND_OFFSET_2)
#define V5_MMISC_CTL_MASK (V5_MMISC_CTL_VEC_PLIC_EN | V5_MMISC_CTL_RVCOMPM_EN \
| V5_MMISC_CTL_BRPE_EN | V5_MMISC_CTL_MSA_OR_UNA_EN | V5_MMISC_CTL_NON_BLOCKING_EN)
/* nds mcache_ctl register*/
#define V5_MCACHE_CTL_IC_EN_OFFSET 0
#define V5_MCACHE_CTL_DC_EN_OFFSET 1
#define V5_MCACHE_CTL_IC_ECCEN_OFFSET 2
@@ -51,12 +89,22 @@ enum sbi_ext_andes_fid {
#define V5_MCACHE_CTL_DC_RWECC_OFFSET 7
#define V5_MCACHE_CTL_CCTL_SUEN_OFFSET 8
/*nds cctl command*/
#define V5_UCCTL_L1D_WBINVAL_ALL 6
#define V5_UCCTL_L1D_WB_ALL 7
#define V5_MCACHE_CTL_IC_EN (1UL << V5_MCACHE_CTL_IC_EN_OFFSET)
#define V5_MCACHE_CTL_DC_EN (1UL << V5_MCACHE_CTL_DC_EN_OFFSET)
#define V5_MCACHE_CTL_IC_RWECC (1UL << V5_MCACHE_CTL_IC_RWECC_OFFSET)
#define V5_MCACHE_CTL_DC_RWECC (1UL << V5_MCACHE_CTL_DC_RWECC_OFFSET)
#define V5_MCACHE_CTL_CCTL_SUEN (1UL << V5_MCACHE_CTL_CCTL_SUEN_OFFSET)
#define V5_MCACHE_CTL_MASK (V5_MCACHE_CTL_IC_EN | V5_MCACHE_CTL_DC_EN \
| V5_MCACHE_CTL_IC_RWECC | V5_MCACHE_CTL_DC_RWECC \
| V5_MCACHE_CTL_CCTL_SUEN | V5_MCACHE_CTL_L1I_PREFETCH_EN \
| V5_MCACHE_CTL_L1D_PREFETCH_EN | V5_MCACHE_CTL_DC_WAROUND_1_EN \
| V5_MCACHE_CTL_DC_WAROUND_2_EN)
#define V5_L2C_CTL_OFFSET 0x8
#define V5_L2C_CTL_ENABLE_OFFSET 0
#define V5_L2C_CTL_IPFDPT_OFFSET 3