ppc/p4080: Add Corenet Platform Cache (CPC) registers

Signed-off-by: Becky Bruce <beckyb@kernel.crashing.org>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 75 insertions, 0 deletions

diff --git a/include/asm-ppc/immap_85xx.h b/include/asm-ppc/immap_85xx.h
index 43b3a2c71..957ad76a7 100644
--- a/include/asm-ppc/immap_85xx.h
+++ b/include/asm-ppc/immap_85xx.h
@@ -1562,6 +1562,78 @@ typedef struct par_io {
 	u8	res[8];
 } par_io_t;
 
+#ifdef CONFIG_SYS_FSL_CPC
+/*
+ * Define a single offset that is the start of all the CPC register
+ * blocks - if there is more than one CPC, we expect these to be
+ * contiguous 4k regions
+ */
+
+typedef struct cpc_corenet {
+	u32 	cpccsr0;	/* Config/status reg */
+	u32	res1;
+	u32	cpccfg0;	/* Configuration register */
+	u32	res2;
+	u32	cpcewcr0;	/* External Write reg 0 */
+	u32	cpcewabr0;	/* External write base reg 0 */
+	u32	res3[2];
+	u32	cpcewcr1;	/* External Write reg 1 */
+	u32	cpcewabr1;	/* External write base reg 1 */
+	u32	res4[54];
+	u32	cpcsrcr1;	/* SRAM control reg 1 */
+	u32	cpcsrcr0;	/* SRAM control reg 0 */
+	u32	res5[62];
+	struct {
+		u32	id;	/* partition ID */
+		u32	res;
+		u32	alloc;	/* partition allocation */
+		u32	way;	/* partition way */
+	} partition_regs[16];
+	u32	res6[704];
+	u32	cpcerrinjhi;	/* Error injection high */
+	u32	cpcerrinjlo;	/* Error injection lo */
+	u32	cpcerrinjctl;	/* Error injection control */
+	u32	res7[5];
+	u32	cpccaptdatahi;	/* capture data high */
+	u32	cpccaptdatalo;	/* capture data low */
+	u32	cpcaptecc;	/* capture ECC */
+	u32	res8[5];
+	u32	cpcerrdet;	/* error detect */
+	u32	cpcerrdis;	/* error disable */
+	u32	cpcerrinten;	/* errir interrupt enable */
+	u32	cpcerrattr;	/* error attribute */
+	u32	cpcerreaddr;	/* error extended address */
+	u32	cpcerraddr;	/* error address */
+	u32	cpcerrctl;	/* error control */
+	u32	res9[105];	/* pad out to 4k */
+} cpc_corenet_t;
+
+#define CPC_CSR0_CE	0x80000000	/* Cache Enable */
+#define CPC_CSR0_PE	0x40000000	/* Enable ECC */
+#define CPC_CSR0_FI	0x00200000	/* Cache Flash Invalidate */
+#define CPC_CSR0_WT	0x00080000	/* Write-through mode */
+#define CPC_CSR0_FL	0x00000800	/* Hardware cache flush */
+#define CPC_CSR0_LFC	0x00000400	/* Cache Lock Flash Clear */
+#define CPC_CFG0_SZ_MASK	0x00003fff
+#define CPC_CFG0_SZ_K(x)	((x & CPC_CFG0_SZ_MASK) << 6)
+#define CPC_CFG0_NUM_WAYS(x)	(((x >> 14) & 0x1f) + 1)
+#define CPC_CFG0_LINE_SZ(x)	((((x >> 23) & 0x3) + 1) * 32)
+#define CPC_SRCR1_SRBARU_MASK	0x0000ffff
+#define CPC_SRCR1_SRBARU(x)	(((unsigned long long)x >> 32) \
+				 & CPC_SRCR1_SRBARU_MASK)
+#define	CPC_SRCR0_SRBARL_MASK	0xffff8000
+#define CPC_SRCR0_SRBARL(x)	(x & CPC_SRCR0_SRBARL_MASK)
+#define CPC_SRCR0_INTLVEN	0x00000100
+#define CPC_SRCR0_SRAMSZ_1_WAY	0x00000000
+#define CPC_SRCR0_SRAMSZ_2_WAY	0x00000002
+#define CPC_SRCR0_SRAMSZ_4_WAY	0x00000004
+#define CPC_SRCR0_SRAMSZ_8_WAY	0x00000006
+#define CPC_SRCR0_SRAMSZ_16_WAY	0x00000008
+#define CPC_SRCR0_SRAMSZ_32_WAY	0x0000000a
+#define CPC_SRCR0_SRAMEN	0x00000001
+#define	CPC_ERRDIS_TMHITDIS  	0x00000080	/* multi-way hit disable */
+#endif /* CONFIG_SYS_FSL_CPC */
+
 /* Global Utilities Block */
 #ifdef CONFIG_FSL_CORENET
 typedef struct ccsr_gur {
@@ -1937,6 +2009,7 @@ enum {
 #define CONFIG_SYS_FSL_CORENET_CLK_OFFSET	0xE1000
 #define CONFIG_SYS_FSL_CORENET_RCPM_OFFSET	0xE2000
 #define CONFIG_SYS_FSL_CORENET_SERDES_OFFSET	0xEA000
+#define CONFIG_SYS_FSL_CPC_OFFSET		0x10000
 #define CONFIG_SYS_MPC85xx_DMA_OFFSET		0x100000
 #define CONFIG_SYS_MPC85xx_ESPI_OFFSET		0x110000
 #define CONFIG_SYS_MPC85xx_ESDHC_OFFSET		0x114000
@@ -1974,6 +2047,8 @@ enum {
 #define CONFIG_SYS_MPC85xx_PIC_OFFSET		0x40000
 #define CONFIG_SYS_MPC85xx_GUTS_OFFSET		0xE0000
 
+#define CONFIG_SYS_FSL_CPC_ADDR	\
+	(CONFIG_SYS_CCSRBAR + CONFIG_SYS_FSL_CPC_OFFSET)
 #define CONFIG_SYS_FSL_CORENET_QMAN_ADDR \
 	(CONFIG_SYS_IMMR + CONFIG_SYS_FSL_CORENET_QMAN_OFFSET)
 #define CONFIG_SYS_FSL_CORENET_BMAN_ADDR \