[3/4] soc: bcm: brcmstb: biuctrl: Update layout for A72 on 7211
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Message ID 20191210233043.15193-4-f.fainelli@gmail.com
State New
Headers show
Series
  • soc: bcm: brcmstb: biuctrl updates
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Commit Message

Florian Fainelli Dec. 10, 2019, 11:30 p.m. UTC
The BIUCTRL layout is a little different on 7211 which is equipped with
a Cortex-A72, account for those register offset differences. We will
match 7211 specifically in a subsequent commit.

Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 drivers/soc/bcm/brcmstb/biuctrl.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Patch
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diff --git a/drivers/soc/bcm/brcmstb/biuctrl.c b/drivers/soc/bcm/brcmstb/biuctrl.c
index 978cf52be664..d766577bc5d4 100644
--- a/drivers/soc/bcm/brcmstb/biuctrl.c
+++ b/drivers/soc/bcm/brcmstb/biuctrl.c
@@ -76,6 +76,12 @@  static const int b53_cpubiuctrl_regs[] = {
 	[CPU_WRITEBACK_CTRL_REG] = 0x22c,
 };
 
+static const int a72_cpubiuctrl_regs[] = {
+	[CPU_CREDIT_REG] = 0x18,
+	[CPU_MCP_FLOW_REG] = 0x1c,
+	[CPU_WRITEBACK_CTRL_REG] = 0x20,
+};
+
 #define NUM_CPU_BIUCTRL_REGS	3
 
 static int __init mcp_write_pairing_set(void)
@@ -183,6 +189,8 @@  static int __init setup_hifcpubiuctrl_regs(struct device_node *np)
 		cpubiuctrl_regs = b15_cpubiuctrl_regs;
 	else if (of_device_is_compatible(cpu_dn, "brcm,brahma-b53"))
 		cpubiuctrl_regs = b53_cpubiuctrl_regs;
+	else if (of_device_is_compatible(cpu_dn, "arm,cortex-a72"))
+		cpubiuctrl_regs = a72_cpubiuctrl_regs;
 	else {
 		pr_err("unsupported CPU\n");
 		ret = -EINVAL;