[U-Boot] [PATCH 2/3] mpc85xx: Add support for the MPC8536
Kumar Gala
galak at kernel.crashing.org
Tue Aug 12 18:14:54 CEST 2008
The MPC8536 Adds SDHC and SATA controllers to the PQ3 family. We
also have SERDES init code for the 8536.
Signed-off-by: Kumar Gala <galak at kernel.crashing.org>
Signed-off-by: Srikanth Srinivasan <srikanth.srinivasan at freescale.com>
Signed-off-by: Dejan Minic <minic at freescale.com>
Signed-off-by: Jason Jin <Jason.jin at freescale.com>
Signed-off-by: Dave Liu <daveliu at freescale.com>
---
cpu/mpc85xx/Makefile | 1 +
cpu/mpc85xx/cpu.c | 8 ++-
cpu/mpc85xx/cpu_init.c | 7 ++
cpu/mpc85xx/mpc8536_serdes.c | 180 +++++++++++++++++++++++++++++++++++++++++
cpu/mpc85xx/speed.c | 4 +
drivers/misc/fsl_law.c | 2 +-
include/asm-ppc/global_data.h | 6 +-
include/asm-ppc/immap_85xx.h | 11 +++
include/asm-ppc/processor.h | 2 +
include/pci_ids.h | 2 +
10 files changed, 218 insertions(+), 5 deletions(-)
create mode 100644 cpu/mpc85xx/mpc8536_serdes.c
diff --git a/cpu/mpc85xx/Makefile b/cpu/mpc85xx/Makefile
index d51a6dd..ba1f159 100644
--- a/cpu/mpc85xx/Makefile
+++ b/cpu/mpc85xx/Makefile
@@ -42,6 +42,7 @@ endif
endif
endif
+COBJS-$(CONFIG_MPC8536) += mpc8536_serdes.o
COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o tlb.o \
pci.o serial_scc.o commproc.o ether_fcc.o qe_io.o \
$(COBJS-y)
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c
index 5c2231d..2fe3cea 100644
--- a/cpu/mpc85xx/cpu.c
+++ b/cpu/mpc85xx/cpu.c
@@ -36,6 +36,8 @@ DECLARE_GLOBAL_DATA_PTR;
struct cpu_type cpu_type_list [] = {
CPU_TYPE_ENTRY(8533, 8533),
CPU_TYPE_ENTRY(8533, 8533_E),
+ CPU_TYPE_ENTRY(8536, 8536),
+ CPU_TYPE_ENTRY(8536, 8536_E),
CPU_TYPE_ENTRY(8540, 8540),
CPU_TYPE_ENTRY(8541, 8541),
CPU_TYPE_ENTRY(8541, 8541_E),
@@ -89,6 +91,9 @@ int checkcpu (void)
svr = get_svr();
ver = SVR_SOC_VER(svr);
major = SVR_MAJ(svr);
+#ifdef CONFIG_MPC8536
+ major &= 0x7; /* the msb of this nibble is a mfg code */
+#endif
minor = SVR_MIN(svr);
puts("CPU: ");
@@ -154,7 +159,8 @@ int checkcpu (void)
#endif
clkdiv = lcrr & 0x0f;
if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) {
-#if defined(CONFIG_MPC8548) || defined(CONFIG_MPC8544) || defined(CONFIG_MPC8572)
+#if defined(CONFIG_MPC8548) || defined(CONFIG_MPC8544) || \
+ defined(CONFIG_MPC8572) || defined(CONFIG_MPC8536)
/*
* Yes, the entire PQ38 family use the same
* bit-representation for twice the clock divider values.
diff --git a/cpu/mpc85xx/cpu_init.c b/cpu/mpc85xx/cpu_init.c
index 4feb751..783c5ba 100644
--- a/cpu/mpc85xx/cpu_init.c
+++ b/cpu/mpc85xx/cpu_init.c
@@ -37,6 +37,10 @@
DECLARE_GLOBAL_DATA_PTR;
+#ifdef CONFIG_MPC8536
+extern void fsl_serdes_init(void);
+#endif
+
#ifdef CONFIG_QE
extern qe_iop_conf_t qe_iop_conf_tab[];
extern void qe_config_iopin(u8 port, u8 pin, int dir,
@@ -240,6 +244,9 @@ void cpu_init_f (void)
/* Config QE ioports */
config_qe_ioports();
#endif
+#if defined(CONFIG_MPC8536)
+ fsl_serdes_init();
+#endif
}
diff --git a/cpu/mpc85xx/mpc8536_serdes.c b/cpu/mpc85xx/mpc8536_serdes.c
new file mode 100644
index 0000000..ae091e6
--- /dev/null
+++ b/cpu/mpc85xx/mpc8536_serdes.c
@@ -0,0 +1,180 @@
+/*
+ * Copyright (C) 2008 Freescale Semicondutor, Inc. All rights reserved.
+ * Dave Liu <daveliu at freescale.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <config.h>
+#include <common.h>
+#include <asm/io.h>
+#include <asm/immap_85xx.h>
+
+/* PORDEVSR register */
+#define GUTS_PORDEVSR_OFFS 0xc
+#define GUTS_PORDEVSR_SERDES2_IO_SEL 0x38000000
+#define GUTS_PORDEVSR_SERDES2_IO_SEL_SHIFT 27
+
+/* SerDes CR0 register */
+#define FSL_SRDSCR0_OFFS 0x0
+#define FSL_SRDSCR0_TXEQA_MASK 0x00007000
+#define FSL_SRDSCR0_TXEQA_SGMII 0x00004000
+#define FSL_SRDSCR0_TXEQA_SATA 0x00001000
+#define FSL_SRDSCR0_TXEQE_MASK 0x00000700
+#define FSL_SRDSCR0_TXEQE_SGMII 0x00000400
+#define FSL_SRDSCR0_TXEQE_SATA 0x00000100
+
+/* SerDes CR1 register */
+#define FSL_SRDSCR1_OFFS 0x4
+#define FSL_SRDSCR1_LANEA_MASK 0x80200000
+#define FSL_SRDSCR1_LANEA_OFF 0x80200000
+#define FSL_SRDSCR1_LANEE_MASK 0x08020000
+#define FSL_SRDSCR1_LANEE_OFF 0x08020000
+
+/* SerDes CR2 register */
+#define FSL_SRDSCR2_OFFS 0x8
+#define FSL_SRDSCR2_EICA_MASK 0x00001f00
+#define FSL_SRDSCR2_EICA_SGMII 0x00000400
+#define FSL_SRDSCR2_EICA_SATA 0x00001400
+#define FSL_SRDSCR2_EICE_MASK 0x0000001f
+#define FSL_SRDSCR2_EICE_SGMII 0x00000004
+#define FSL_SRDSCR2_EICE_SATA 0x00000014
+
+/* SerDes CR3 register */
+#define FSL_SRDSCR3_OFFS 0xc
+#define FSL_SRDSCR3_LANEA_MASK 0x3f000700
+#define FSL_SRDSCR3_LANEA_SGMII 0x00000000
+#define FSL_SRDSCR3_LANEA_SATA 0x15000500
+#define FSL_SRDSCR3_LANEE_MASK 0x003f0007
+#define FSL_SRDSCR3_LANEE_SGMII 0x00000000
+#define FSL_SRDSCR3_LANEE_SATA 0x00150005
+
+void fsl_serdes_init(void)
+{
+ void *guts = (void *)(CFG_MPC85xx_GUTS_ADDR);
+ void *sd = (void *)CFG_MPC85xx_SERDES2_ADDR;
+ u32 pordevsr = in_be32(guts + GUTS_PORDEVSR_OFFS);
+ u32 srds2_io_sel;
+ u32 tmp;
+
+ /* parse the SRDS2_IO_SEL of PORDEVSR */
+ srds2_io_sel = (pordevsr & GUTS_PORDEVSR_SERDES2_IO_SEL)
+ >> GUTS_PORDEVSR_SERDES2_IO_SEL_SHIFT;
+
+ switch (srds2_io_sel) {
+ case 1: /* Lane A - SATA1, Lane E - SATA2 */
+ /* CR 0 */
+ tmp = in_be32(sd + FSL_SRDSCR0_OFFS);
+ tmp &= ~FSL_SRDSCR0_TXEQA_MASK;
+ tmp |= FSL_SRDSCR0_TXEQA_SATA;
+ tmp &= ~FSL_SRDSCR0_TXEQE_MASK;
+ tmp |= FSL_SRDSCR0_TXEQE_SATA;
+ out_be32(sd + FSL_SRDSCR0_OFFS, tmp);
+ /* CR 1 */
+ tmp = in_be32(sd + FSL_SRDSCR1_OFFS);
+ tmp &= ~FSL_SRDSCR1_LANEA_MASK;
+ tmp &= ~FSL_SRDSCR1_LANEE_MASK;
+ out_be32(sd + FSL_SRDSCR1_OFFS, tmp);
+ /* CR 2 */
+ tmp = in_be32(sd + FSL_SRDSCR2_OFFS);
+ tmp &= ~FSL_SRDSCR2_EICA_MASK;
+ tmp |= FSL_SRDSCR2_EICA_SATA;
+ tmp &= ~FSL_SRDSCR2_EICE_MASK;
+ tmp |= FSL_SRDSCR2_EICE_SATA;
+ out_be32(sd + FSL_SRDSCR2_OFFS, tmp);
+ /* CR 3 */
+ tmp = in_be32(sd + FSL_SRDSCR3_OFFS);
+ tmp &= ~FSL_SRDSCR3_LANEA_MASK;
+ tmp |= FSL_SRDSCR3_LANEA_SATA;
+ tmp &= ~FSL_SRDSCR3_LANEE_MASK;
+ tmp |= FSL_SRDSCR3_LANEE_SATA;
+ out_be32(sd + FSL_SRDSCR3_OFFS, tmp);
+ break;
+ case 3: /* Lane A - SATA1, Lane E - disabled */
+ /* CR 0 */
+ tmp = in_be32(sd + FSL_SRDSCR0_OFFS);
+ tmp &= ~FSL_SRDSCR0_TXEQA_MASK;
+ tmp |= FSL_SRDSCR0_TXEQA_SATA;
+ out_be32(sd + FSL_SRDSCR0_OFFS, tmp);
+ /* CR 1 */
+ tmp = in_be32(sd + FSL_SRDSCR1_OFFS);
+ tmp &= ~FSL_SRDSCR1_LANEE_MASK;
+ tmp |= FSL_SRDSCR1_LANEE_OFF;
+ out_be32(sd + FSL_SRDSCR1_OFFS, tmp);
+ /* CR 2 */
+ tmp = in_be32(sd + FSL_SRDSCR2_OFFS);
+ tmp &= ~FSL_SRDSCR2_EICA_MASK;
+ tmp |= FSL_SRDSCR2_EICA_SATA;
+ out_be32(sd + FSL_SRDSCR2_OFFS, tmp);
+ /* CR 3 */
+ tmp = in_be32(sd + FSL_SRDSCR3_OFFS);
+ tmp &= ~FSL_SRDSCR3_LANEA_MASK;
+ tmp |= FSL_SRDSCR3_LANEA_SATA;
+ out_be32(sd + FSL_SRDSCR3_OFFS, tmp);
+ break;
+ case 4: /* Lane A - eTSEC1 SGMII, Lane E - eTSEC3 SGMII */
+ /* CR 0 */
+ tmp = in_be32(sd + FSL_SRDSCR0_OFFS);
+ tmp &= ~FSL_SRDSCR0_TXEQA_MASK;
+ tmp |= FSL_SRDSCR0_TXEQA_SGMII;
+ tmp &= ~FSL_SRDSCR0_TXEQE_MASK;
+ tmp |= FSL_SRDSCR0_TXEQE_SGMII;
+ out_be32(sd + FSL_SRDSCR0_OFFS, tmp);
+ /* CR 1 */
+ tmp = in_be32(sd + FSL_SRDSCR1_OFFS);
+ tmp &= ~FSL_SRDSCR1_LANEA_MASK;
+ tmp &= ~FSL_SRDSCR1_LANEE_MASK;
+ out_be32(sd + FSL_SRDSCR1_OFFS, tmp);
+ /* CR 2 */
+ tmp = in_be32(sd + FSL_SRDSCR2_OFFS);
+ tmp &= ~FSL_SRDSCR2_EICA_MASK;
+ tmp |= FSL_SRDSCR2_EICA_SGMII;
+ tmp &= ~FSL_SRDSCR2_EICE_MASK;
+ tmp |= FSL_SRDSCR2_EICE_SGMII;
+ out_be32(sd + FSL_SRDSCR2_OFFS, tmp);
+ /* CR 3 */
+ tmp = in_be32(sd + FSL_SRDSCR3_OFFS);
+ tmp &= ~FSL_SRDSCR3_LANEA_MASK;
+ tmp |= FSL_SRDSCR3_LANEA_SGMII;
+ tmp &= ~FSL_SRDSCR3_LANEE_MASK;
+ tmp |= FSL_SRDSCR3_LANEE_SGMII;
+ out_be32(sd + FSL_SRDSCR3_OFFS, tmp);
+ break;
+ case 6: /* Lane A - eTSEC1 SGMII, Lane E - disabled */
+ /* CR 0 */
+ tmp = in_be32(sd + FSL_SRDSCR0_OFFS);
+ tmp &= ~FSL_SRDSCR0_TXEQA_MASK;
+ tmp |= FSL_SRDSCR0_TXEQA_SGMII;
+ out_be32(sd + FSL_SRDSCR0_OFFS, tmp);
+ /* CR 1 */
+ tmp = in_be32(sd + FSL_SRDSCR1_OFFS);
+ tmp &= ~FSL_SRDSCR1_LANEE_MASK;
+ tmp |= FSL_SRDSCR1_LANEE_OFF;
+ out_be32(sd + FSL_SRDSCR1_OFFS, tmp);
+ /* CR 2 */
+ tmp = in_be32(sd + FSL_SRDSCR2_OFFS);
+ tmp &= ~FSL_SRDSCR2_EICA_MASK;
+ tmp |= FSL_SRDSCR2_EICA_SGMII;
+ out_be32(sd + FSL_SRDSCR2_OFFS, tmp);
+ /* CR 3 */
+ tmp = in_be32(sd + FSL_SRDSCR3_OFFS);
+ tmp &= ~FSL_SRDSCR3_LANEA_MASK;
+ tmp |= FSL_SRDSCR3_LANEA_SGMII;
+ out_be32(sd + FSL_SRDSCR3_OFFS, tmp);
+ break;
+ case 7: /* Lane A - disabled, Lane E - disabled */
+ /* CR 1 */
+ tmp = in_be32(sd + FSL_SRDSCR1_OFFS);
+ tmp &= ~FSL_SRDSCR1_LANEA_MASK;
+ tmp |= FSL_SRDSCR1_LANEA_OFF;
+ tmp &= ~FSL_SRDSCR1_LANEE_MASK;
+ tmp |= FSL_SRDSCR1_LANEE_OFF;
+ out_be32(sd + FSL_SRDSCR1_OFFS, tmp);
+ break;
+ default:
+ break;
+ }
+}
diff --git a/cpu/mpc85xx/speed.c b/cpu/mpc85xx/speed.c
index 699441b..1cda1e3 100644
--- a/cpu/mpc85xx/speed.c
+++ b/cpu/mpc85xx/speed.c
@@ -110,6 +110,10 @@ int get_clocks (void)
#endif
gd->i2c2_clk = gd->i2c1_clk;
+#if defined(CONFIG_MPC8536)
+ gd->sdhc_clk = gd->bus_clk / 2;
+#endif
+
#if defined(CONFIG_CPM2)
gd->vco_out = 2*sys_info.freqSystemBus;
gd->cpm_clk = gd->vco_out / 2;
diff --git a/drivers/misc/fsl_law.c b/drivers/misc/fsl_law.c
index 37af297..a2b0298 100644
--- a/drivers/misc/fsl_law.c
+++ b/drivers/misc/fsl_law.c
@@ -38,7 +38,7 @@ DECLARE_GLOBAL_DATA_PTR;
defined(CONFIG_MPC8568) || \
defined(CONFIG_MPC8641) || defined(CONFIG_MPC8610)
#define FSL_HW_NUM_LAWS 10
-#elif defined(CONFIG_MPC8572)
+#elif defined(CONFIG_MPC8536) || defined(CONFIG_MPC8572)
#define FSL_HW_NUM_LAWS 12
#else
#error FSL_HW_NUM_LAWS not defined for this platform
diff --git a/include/asm-ppc/global_data.h b/include/asm-ppc/global_data.h
index be2ce24..c09b07d 100644
--- a/include/asm-ppc/global_data.h
+++ b/include/asm-ppc/global_data.h
@@ -70,9 +70,6 @@ typedef struct global_data {
#if defined(CONFIG_MPC8315)
u32 tdm_clk;
#endif
-#if defined(CONFIG_MPC837X)
- u32 sdhc_clk;
-#endif
u32 core_clk;
u32 enc_clk;
u32 lbiu_clk;
@@ -89,6 +86,9 @@ typedef struct global_data {
u32 mem_sec_clk;
#endif /* CONFIG_MPC8360 */
#endif
+#if defined(CONFIG_MPC837X) || defined(CONFIG_MPC8536)
+ u32 sdhc_clk;
+#endif
#if defined(CONFIG_MPC83XX) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx)
u32 i2c1_clk;
u32 i2c2_clk;
diff --git a/include/asm-ppc/immap_85xx.h b/include/asm-ppc/immap_85xx.h
index 113ba48..559d6ea 100644
--- a/include/asm-ppc/immap_85xx.h
+++ b/include/asm-ppc/immap_85xx.h
@@ -1560,6 +1560,7 @@ typedef struct ccsr_gur {
#define MPC85xx_PORDEVSR_SGMII2_DIS 0x10000000
#define MPC85xx_PORDEVSR_SGMII3_DIS 0x08000000
#define MPC85xx_PORDEVSR_SGMII4_DIS 0x04000000
+#define MPC85xx_PORDEVSR_SRDS2_IO_SEL 0x38000000
#define MPC85xx_PORDEVSR_IO_SEL 0x00380000
#define MPC85xx_PORDEVSR_PCI2_ARB 0x00040000
#define MPC85xx_PORDEVSR_PCI1_ARB 0x00020000
@@ -1653,13 +1654,23 @@ typedef struct ccsr_gur {
#define CFG_MPC85xx_PCIX_ADDR (CFG_IMMR + CFG_MPC85xx_PCIX_OFFSET)
#define CFG_MPC85xx_PCIX2_OFFSET (0x9000)
#define CFG_MPC85xx_PCIX2_ADDR (CFG_IMMR + CFG_MPC85xx_PCIX2_OFFSET)
+#define CFG_MPC85xx_SATA1_OFFSET (0x18000)
+#define CFG_MPC85xx_SATA1_ADDR (CFG_IMMR + CFG_MPC85xx_SATA1_OFFSET)
+#define CFG_MPC85xx_SATA2_OFFSET (0x19000)
+#define CFG_MPC85xx_SATA2_ADDR (CFG_IMMR + CFG_MPC85xx_SATA2_OFFSET)
#define CFG_MPC85xx_L2_OFFSET (0x20000)
#define CFG_MPC85xx_L2_ADDR (CFG_IMMR + CFG_MPC85xx_L2_OFFSET)
#define CFG_MPC85xx_DMA_OFFSET (0x21000)
#define CFG_MPC85xx_DMA_ADDR (CFG_IMMR + CFG_MPC85xx_DMA_OFFSET)
+#define CFG_MPC85xx_ESDHC_OFFSET (0x2e000)
+#define CFG_MPC85xx_ESDHC_ADDR (CFG_IMMR + CFG_MPC85xx_ESDHC_OFFSET)
#define CFG_MPC85xx_PIC_OFFSET (0x40000)
#define CFG_MPC85xx_PIC_ADDR (CFG_IMMR + CFG_MPC85xx_PIC_OFFSET)
#define CFG_MPC85xx_CPM_OFFSET (0x80000)
#define CFG_MPC85xx_CPM_ADDR (CFG_IMMR + CFG_MPC85xx_CPM_OFFSET)
+#define CFG_MPC85xx_SERDES1_OFFSET (0xE3000)
+#define CFG_MPC85xx_SERDES1_ADDR (CFG_IMMR + CFG_MPC85xx_SERDES2_OFFSET)
+#define CFG_MPC85xx_SERDES2_OFFSET (0xE3100)
+#define CFG_MPC85xx_SERDES2_ADDR (CFG_IMMR + CFG_MPC85xx_SERDES2_OFFSET)
#endif /*__IMMAP_85xx__*/
diff --git a/include/asm-ppc/processor.h b/include/asm-ppc/processor.h
index e617868..465ea72 100644
--- a/include/asm-ppc/processor.h
+++ b/include/asm-ppc/processor.h
@@ -920,6 +920,8 @@
#define SVR_8533 0x803400
#define SVR_8533_E 0x803C00
+#define SVR_8536 0x803700
+#define SVR_8536_E 0x803F00
#define SVR_8540 0x803000
#define SVR_8541 0x807200
#define SVR_8541_E 0x807A00
diff --git a/include/pci_ids.h b/include/pci_ids.h
index 165456b..ae642b1 100644
--- a/include/pci_ids.h
+++ b/include/pci_ids.h
@@ -2057,6 +2057,8 @@
#define PCI_DEVICE_ID_MICROGATE_SCA 0x0030
#define PCI_VENDOR_ID_FREESCALE 0x1957
+#define PCI_DEVICE_ID_MPC8536E 0x0050
+#define PCI_DEVICE_ID_MPC8536 0x0051
#define PCI_DEVICE_ID_MPC8548E 0x0012
#define PCI_DEVICE_ID_MPC8548 0x0013
#define PCI_DEVICE_ID_MPC8543E 0x0014
--
1.5.5.1
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